main/musl: cherry-pick various upstream fixes, add pthread_set_attr_default_np

28 files changed, 1670 insertions, 25 deletions

diff --git a/main/musl/0001-verify-that-ttyname-refers-to-the-same-file-as-the-f.patch b/main/musl/0001-verify-that-ttyname-refers-to-the-same-file-as-the-f.patch
new file mode 100644
index 0000000000..83b2e2a42d
--- /dev/null
+++ b/main/musl/0001-verify-that-ttyname-refers-to-the-same-file-as-the-f.patch
@@ -0,0 +1,50 @@
+From 0a950dcf15bb9f7274c804dca490e9e20e475f3e Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Sat, 20 Aug 2016 21:04:31 +0200
+Subject: [PATCH 1/1] verify that ttyname refers to the same file as the fd
+
+linux containers use separate mount namespace so the /proc
+symlink might not point to the right device if the fd was
+opened in the parent namespace, in this case return ENOENT.
+---
+ src/unistd/ttyname_r.c | 15 +++++++++++----
+ 1 file changed, 11 insertions(+), 4 deletions(-)
+
+diff --git a/src/unistd/ttyname_r.c b/src/unistd/ttyname_r.c
+index 8bac7b2..a38ba4f 100644
+--- a/src/unistd/ttyname_r.c
++++ b/src/unistd/ttyname_r.c
+@@ -1,10 +1,12 @@
+ #include <unistd.h>
+ #include <errno.h>
++#include <sys/stat.h>
+ 
+ void __procfdname(char *, unsigned);
+ 
+ int ttyname_r(int fd, char *name, size_t size)
+ {
++	struct stat st1, st2;
+ 	char procname[sizeof "/proc/self/fd/" + 3*sizeof(int) + 2];
+ 	ssize_t l;
+ 
+@@ -15,8 +17,13 @@ int ttyname_r(int fd, char *name, size_t size)
+ 
+ 	if (l < 0) return errno;
+ 	else if (l == size) return ERANGE;
+-	else {
+-		name[l] = 0;
+-		return 0;
+-	}
++
++	name[l] = 0;
++
++	if (stat(name, &st1) || fstat(fd, &st2))
++		return errno;
++	if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino)
++		return ENOENT;
++
++	return 0;
+ }
+-- 
+2.10.1
+
diff --git a/main/musl/0002-math-fix-128bit-long-double-inverse-trigonometric-fu.patch b/main/musl/0002-math-fix-128bit-long-double-inverse-trigonometric-fu.patch
new file mode 100644
index 0000000000..ea9d1f19eb
--- /dev/null
+++ b/main/musl/0002-math-fix-128bit-long-double-inverse-trigonometric-fu.patch
@@ -0,0 +1,32 @@
+From 5b5db97f7e80bde2678aed72336a28375e800354 Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Tue, 23 Aug 2016 21:47:53 +0200
+Subject: [PATCH 2/2] math: fix 128bit long double inverse trigonometric
+ functions
+
+there was a copy paste error that could cause large ulp errors
+in atan2l, atanl, asinl and acosl on aarch64, mips64 and mipsn32.
+
+(the implementation is from freebsd fdlibm, but the tail end
+of the polynomial was wrong. 128 bit long double functions
+are not yet tested so this went undetected.)
+---
+ src/math/__invtrigl.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/math/__invtrigl.c b/src/math/__invtrigl.c
+index ef7f4e1..48f83aa 100644
+--- a/src/math/__invtrigl.c
++++ b/src/math/__invtrigl.c
+@@ -57,7 +57,7 @@ long double __invtrigl_R(long double z)
+ {
+ 	long double p, q;
+ 	p = z*(pS0+z*(pS1+z*(pS2+z*(pS3+z*(pS4+z*(pS5+z*(pS6+z*(pS7+z*(pS8+z*pS9)))))))));
+-	q = 1.0+z*(qS1+z*(qS2+z*(qS3+z*(qS4+z*(qS5+z*(pS6+z*(pS7+z*(pS8+z*pS9))))))));
++	q = 1.0+z*(qS1+z*(qS2+z*(qS3+z*(qS4+z*(qS5+z*(qS6+z*(qS7+z*(qS8+z*qS9))))))));
+ 	return p/q;
+ }
+ #endif
+-- 
+2.10.1
+
diff --git a/main/musl/0003-fix-FFSYNC-by-changing-it-to-O_SYNC.patch b/main/musl/0003-fix-FFSYNC-by-changing-it-to-O_SYNC.patch
new file mode 100644
index 0000000000..ba0415efba
--- /dev/null
+++ b/main/musl/0003-fix-FFSYNC-by-changing-it-to-O_SYNC.patch
@@ -0,0 +1,26 @@
+From c1f4ed150137d793c9d07356305a89e8785e7e02 Mon Sep 17 00:00:00 2001
+From: Duncan Overbruck <duncaen@voidlinux.eu>
+Date: Thu, 18 Aug 2016 17:06:16 +0200
+Subject: [PATCH 3/3] fix FFSYNC by changing it to O_SYNC
+
+O_FSYNC was never defined and is legacy/wrong, nothing seems to use it.
+---
+ include/fcntl.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/include/fcntl.h b/include/fcntl.h
+index e683e4d..0e165ca 100644
+--- a/include/fcntl.h
++++ b/include/fcntl.h
+@@ -99,7 +99,7 @@ int posix_fallocate(int, off_t, off_t);
+ #define AT_EMPTY_PATH 0x1000
+ 
+ #define FAPPEND O_APPEND
+-#define FFSYNC O_FSYNC
++#define FFSYNC O_SYNC
+ #define FASYNC O_ASYNC
+ #define FNONBLOCK O_NONBLOCK
+ #define FNDELAY O_NDELAY
+-- 
+2.10.1
+
diff --git a/main/musl/0004-getdtablesize-fix-returning-hard-instead-of-soft-rli.patch b/main/musl/0004-getdtablesize-fix-returning-hard-instead-of-soft-rli.patch
new file mode 100644
index 0000000000..1ea0965f7c
--- /dev/null
+++ b/main/musl/0004-getdtablesize-fix-returning-hard-instead-of-soft-rli.patch
@@ -0,0 +1,24 @@
+From 397586625e71d166f493f16bfe04f3005ae464c3 Mon Sep 17 00:00:00 2001
+From: Olivier Brunel <jjk@jjacky.com>
+Date: Sat, 13 Aug 2016 20:31:49 +0200
+Subject: [PATCH 4/4] getdtablesize: fix returning hard instead of soft rlimit
+
+This makes the result consistent with sysconf(_SC_OPEN_MAX).
+---
+ src/legacy/getdtablesize.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/legacy/getdtablesize.c b/src/legacy/getdtablesize.c
+index 682da6d..b30c193 100644
+--- a/src/legacy/getdtablesize.c
++++ b/src/legacy/getdtablesize.c
+@@ -7,5 +7,5 @@ int getdtablesize(void)
+ {
+ 	struct rlimit rl;
+ 	getrlimit(RLIMIT_NOFILE, &rl);
+-	return rl.rlim_max < INT_MAX ? rl.rlim_max : INT_MAX;
++	return rl.rlim_cur < INT_MAX ? rl.rlim_cur : INT_MAX;
+ }
+-- 
+2.10.1
+
diff --git a/main/musl/0005-restore-_Noreturn-to-__assert_fail.patch b/main/musl/0005-restore-_Noreturn-to-__assert_fail.patch
new file mode 100644
index 0000000000..c02dc267a4
--- /dev/null
+++ b/main/musl/0005-restore-_Noreturn-to-__assert_fail.patch
@@ -0,0 +1,48 @@
+From e738b8cbe64b6dd3ed9f47b6d4cd7eb2c422b38d Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Tue, 30 Aug 2016 16:39:54 -0400
+Subject: [PATCH 5/5] restore _Noreturn to __assert_fail
+
+this reverts commit 2c1f8fd5da3306fd7c8a2267467e44eb61f12dd4. without
+the _Noreturn attribute, the compiler cannot use asserts to perform
+reachability/range analysis. this leads to missed optimizations and
+spurious warnings.
+
+the original backtrace problem that prompted the removal of _Noreturn
+was not clearly documented at the time, but it seems to happen only
+when libc was built without -g, which also breaks many other
+backtracing cases.
+---
+ include/assert.h  | 2 +-
+ src/exit/assert.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/include/assert.h b/include/assert.h
+index e679adb..d14ec94 100644
+--- a/include/assert.h
++++ b/include/assert.h
+@@ -16,7 +16,7 @@
+ extern "C" {
+ #endif
+ 
+-void __assert_fail (const char *, const char *, int, const char *);
++_Noreturn void __assert_fail (const char *, const char *, int, const char *);
+ 
+ #ifdef __cplusplus
+ }
+diff --git a/src/exit/assert.c b/src/exit/assert.c
+index e87442a..49b0dc3 100644
+--- a/src/exit/assert.c
++++ b/src/exit/assert.c
+@@ -1,7 +1,7 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ 
+-void __assert_fail(const char *expr, const char *file, int line, const char *func)
++_Noreturn void __assert_fail(const char *expr, const char *file, int line, const char *func)
+ {
+ 	fprintf(stderr, "Assertion failed: %s (%s: %s: %d)\n", expr, file, func, line);
+ 	fflush(NULL);
+-- 
+2.10.1
+
diff --git a/main/musl/0006-fix-printf-regression-with-alt-form-octal-zero-flag-.patch b/main/musl/0006-fix-printf-regression-with-alt-form-octal-zero-flag-.patch
new file mode 100644
index 0000000000..918155bb85
--- /dev/null
+++ b/main/musl/0006-fix-printf-regression-with-alt-form-octal-zero-flag-.patch
@@ -0,0 +1,33 @@
+From 78897b0dc00b7cd5c29af5e0b7eebf2396d8dce0 Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Fri, 16 Sep 2016 17:40:08 -0400
+Subject: [PATCH 06/11] fix printf regression with alt-form octal, zero flag,
+ and field width
+
+commit b91cdbe2bc8b626aa04dc6e3e84345accf34e4b1, in fixing another
+issue, changed the logic for how alt-form octal adds the leading zero
+to adjust the precision rather than using a prefix character. this
+wrongly suppressed the zero flag by mimicing an explicit precision
+given by the format string. switch back to using a prefix character.
+
+based on bug report and patch by Dmitry V. Levin, but simplified.
+---
+ src/stdio/vfprintf.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
+index 2ecf769..e439a07 100644
+--- a/src/stdio/vfprintf.c
++++ b/src/stdio/vfprintf.c
+@@ -570,7 +570,7 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 			if (0) {
+ 		case 'o':
+ 			a = fmt_o(arg.i, z);
+-			if ((fl&ALT_FORM) && p<z-a+1) p=z-a+1;
++			if ((fl&ALT_FORM) && p<z-a+1) prefix+=5, pl=1;
+ 			} if (0) {
+ 		case 'd': case 'i':
+ 			pl=1;
+-- 
+2.10.1
+
diff --git a/main/musl/0007-fix-ifru_data-and-ifcu_buf-types-in-net-if.h.patch b/main/musl/0007-fix-ifru_data-and-ifcu_buf-types-in-net-if.h.patch
new file mode 100644
index 0000000000..d9eac27c88
--- /dev/null
+++ b/main/musl/0007-fix-ifru_data-and-ifcu_buf-types-in-net-if.h.patch
@@ -0,0 +1,36 @@
+From 3848a99f65952a77c03bbd905cae988f37f13ea6 Mon Sep 17 00:00:00 2001
+From: Daniel Sabogal <dsabogalcc@gmail.com>
+Date: Fri, 16 Sep 2016 13:34:24 -0400
+Subject: [PATCH 07/11] fix ifru_data and ifcu_buf types in net/if.h
+
+glibc, freebsd, and openbsd use character pointers (caddr_t) for
+these fields. only linux uses void pointer for the ifru_data type.
+---
+ include/net/if.h | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/include/net/if.h b/include/net/if.h
+index 1a4059d..2f2fcc1 100644
+--- a/include/net/if.h
++++ b/include/net/if.h
+@@ -89,7 +89,7 @@ struct ifreq {
+ 		struct ifmap ifru_map;
+ 		char ifru_slave[IFNAMSIZ];
+ 		char ifru_newname[IFNAMSIZ];
+-		void *ifru_data;
++		char *ifru_data;
+ 	} ifr_ifru;
+ };
+ 
+@@ -116,7 +116,7 @@ struct ifreq {
+ struct ifconf {
+ 	int ifc_len;		
+ 	union {
+-		void *ifcu_buf;
++		char *ifcu_buf;
+ 		struct ifreq *ifcu_req;
+ 	} ifc_ifcu;
+ };
+-- 
+2.10.1
+
diff --git a/main/musl/0008-fix-if_indextoname-error-case.patch b/main/musl/0008-fix-if_indextoname-error-case.patch
new file mode 100644
index 0000000000..e778996366
--- /dev/null
+++ b/main/musl/0008-fix-if_indextoname-error-case.patch
@@ -0,0 +1,37 @@
+From 32055d52ca43d867d6dbb763dc5213a8d3536a23 Mon Sep 17 00:00:00 2001
+From: Daniel Sabogal <dsabogalcc@gmail.com>
+Date: Thu, 15 Sep 2016 11:27:30 -0400
+Subject: [PATCH 08/11] fix if_indextoname error case
+
+posix requires errno to be set to ENXIO if the interface does not exist.
+linux returns ENODEV instead so we handle this.
+---
+ src/network/if_indextoname.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/src/network/if_indextoname.c b/src/network/if_indextoname.c
+index 6ee7f13..3b368bf 100644
+--- a/src/network/if_indextoname.c
++++ b/src/network/if_indextoname.c
+@@ -3,6 +3,7 @@
+ #include <sys/socket.h>
+ #include <sys/ioctl.h>
+ #include <string.h>
++#include <errno.h>
+ #include "syscall.h"
+ 
+ char *if_indextoname(unsigned index, char *name)
+@@ -14,5 +15,9 @@ char *if_indextoname(unsigned index, char *name)
+ 	ifr.ifr_ifindex = index;
+ 	r = ioctl(fd, SIOCGIFNAME, &ifr);
+ 	__syscall(SYS_close, fd);
+-	return r < 0 ? 0 : strncpy(name, ifr.ifr_name, IF_NAMESIZE);
++	if (r < 0) {
++		if (errno == ENODEV) errno = ENXIO;
++		return 0;
++	}
++	return strncpy(name, ifr.ifr_name, IF_NAMESIZE);
+ }
+-- 
+2.10.1
+
diff --git a/main/musl/0009-add-missing-_unlocked-and-wcsftime_l-prototypes-to-w.patch b/main/musl/0009-add-missing-_unlocked-and-wcsftime_l-prototypes-to-w.patch
new file mode 100644
index 0000000000..fca0fcb406
--- /dev/null
+++ b/main/musl/0009-add-missing-_unlocked-and-wcsftime_l-prototypes-to-w.patch
@@ -0,0 +1,40 @@
+From 5505f6afae9acf37ef565c68a07ca3df7b1ae2cb Mon Sep 17 00:00:00 2001
+From: Daniel Sabogal <dsabogalcc@gmail.com>
+Date: Fri, 9 Sep 2016 21:23:17 -0400
+Subject: [PATCH 09/11] add missing *_unlocked and wcsftime_l prototypes to
+ wchar.h
+
+these functions had been implemented, but prototypes were not made available
+---
+ include/wchar.h | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+diff --git a/include/wchar.h b/include/wchar.h
+index 0167dce..3e6db5f 100644
+--- a/include/wchar.h
++++ b/include/wchar.h
+@@ -136,6 +136,21 @@ size_t wcsftime (wchar_t *__restrict, size_t, const wchar_t *__restrict, const s
+ 
+ #undef iswdigit
+ 
++#if defined(_GNU_SOURCE)
++wint_t fgetwc_unlocked (FILE *);
++wint_t getwc_unlocked (FILE *);
++wint_t getwchar_unlocked (void);
++wint_t fputwc_unlocked (wchar_t, FILE *);
++wint_t putwc_unlocked (wchar_t, FILE *);
++wint_t putwchar_unlocked (wchar_t);
++wchar_t *fgetws_unlocked (wchar_t *__restrict, int, FILE *__restrict);
++int fputws_unlocked (const wchar_t *__restrict, FILE *__restrict);
++#endif
++
++#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
++size_t wcsftime_l (wchar_t *__restrict, size_t, const wchar_t *__restrict, const struct tm *__restrict, locale_t);
++#endif
++
+ #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)  || defined(_BSD_SOURCE)
+ FILE *open_wmemstream(wchar_t **, size_t *);
+-- 
+2.10.1
+
diff --git a/main/musl/0010-simplify-refactor-fflush-and-make-fflush_unlocked-an.patch b/main/musl/0010-simplify-refactor-fflush-and-make-fflush_unlocked-an.patch
new file mode 100644
index 0000000000..ba6483bb78
--- /dev/null
+++ b/main/musl/0010-simplify-refactor-fflush-and-make-fflush_unlocked-an.patch
@@ -0,0 +1,102 @@
+From c002668eb0352e619ea7064e4940b397b4a6e68d Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Sun, 18 Sep 2016 21:45:47 -0400
+Subject: [PATCH 10/11] simplify/refactor fflush and make fflush_unlocked an
+ alias for fflush
+
+previously, fflush_unlocked was an alias for an internal backend that
+was called by fflush, either for its argument or in a loop for each
+file if a null pointer was passed. since the logic for the latter was
+in the main fflush function, fflush_unlocked crashed when passed a
+null pointer, rather than flushing all open files. since
+fflush_unlocked is not a standard function and has no specification,
+it's not clear whether it should be expected to accept null pointers
+like fflush does, but a reasonable argument could be made that it
+should.
+
+this patch eliminates the helper function, simplifying fflush, and
+makes fflush_unlocked an alias for fflush, which is valid because the
+two functions agree in their behavior in all cases where their
+behavior is defined (the unlocked version has undefined behavior if
+another thread could hold locks).
+---
+ src/stdio/fflush.c | 53 +++++++++++++++++++++++------------------------------
+ 1 file changed, 23 insertions(+), 30 deletions(-)
+
+diff --git a/src/stdio/fflush.c b/src/stdio/fflush.c
+index 3f462c8..c288106 100644
+--- a/src/stdio/fflush.c
++++ b/src/stdio/fflush.c
+@@ -1,11 +1,30 @@
+ #include "stdio_impl.h"
+ 
+-static int __fflush_unlocked(FILE *f)
++/* stdout.c will override this if linked */
++static FILE *volatile dummy = 0;
++weak_alias(dummy, __stdout_used);
++
++int fflush(FILE *f)
+ {
++	if (!f) {
++		int r = __stdout_used ? fflush(__stdout_used) : 0;
++
++		for (f=*__ofl_lock(); f; f=f->next)
++			if (f->wpos > f->wbase) r |= fflush(f);
++		__ofl_unlock();
++
++		return r;
++	}
++
++	FLOCK(f);
++
+ 	/* If writing, flush output */
+ 	if (f->wpos > f->wbase) {
+ 		f->write(f, 0, 0);
+-		if (!f->wpos) return EOF;
++		if (!f->wpos) {
++			FUNLOCK(f);
++			return EOF;
++		}
+ 	}
+ 
+ 	/* If reading, sync position, per POSIX */
+@@ -15,34 +34,8 @@ static int __fflush_unlocked(FILE *f)
+ 	f->wpos = f->wbase = f->wend = 0;
+ 	f->rpos = f->rend = 0;
+ 
++	FUNLOCK(f);
+ 	return 0;
+ }
+ 
+-/* stdout.c will override this if linked */
+-static FILE *volatile dummy = 0;
+-weak_alias(dummy, __stdout_used);
+-
+-int fflush(FILE *f)
+-{
+-	int r;
+-
+-	if (f) {
+-		FLOCK(f);
+-		r = __fflush_unlocked(f);
+-		FUNLOCK(f);
+-		return r;
+-	}
+-
+-	r = __stdout_used ? fflush(__stdout_used) : 0;
+-
+-	for (f=*__ofl_lock(); f; f=f->next) {
+-		FLOCK(f);
+-		if (f->wpos > f->wbase) r |= __fflush_unlocked(f);
+-		FUNLOCK(f);
+-	}
+-	__ofl_unlock();
+-	
+-	return r;
+-}
+-
+-weak_alias(__fflush_unlocked, fflush_unlocked);
++weak_alias(fflush, fflush_unlocked);
+-- 
+2.10.1
+
diff --git a/main/musl/0011-fix-undefined-behavior-in-sched.h-cpu_set_t-usage.patch b/main/musl/0011-fix-undefined-behavior-in-sched.h-cpu_set_t-usage.patch
new file mode 100644
index 0000000000..7295743ed0
--- /dev/null
+++ b/main/musl/0011-fix-undefined-behavior-in-sched.h-cpu_set_t-usage.patch
@@ -0,0 +1,44 @@
+From 66570ec9c465e3c6c5d6dbd7dd42e45041a39288 Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Mon, 19 Sep 2016 11:15:51 -0400
+Subject: [PATCH 11/11] fix undefined behavior in sched.h cpu_set_t usage
+
+since cpu sets can be dynamically allocated and have variable size,
+accessing their contents via ->__bits is not valid; performing pointer
+arithmetic outside the range of the size of the declared __bits array
+results in undefined beahavior. instead, only use cpu_set_t for
+fixed-size cpu set objects (instantiated by the caller) and as an
+abstract pointer type for dynamically allocated ones. perform all
+accesses simply by casting the abstract pointer type cpuset_t * back
+to unsigned long *.
+---
+ include/sched.h | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/include/sched.h b/include/sched.h
+index af82d6c..d1cccb7 100644
+--- a/include/sched.h
++++ b/include/sched.h
+@@ -82,7 +82,7 @@ int sched_getaffinity(pid_t, size_t, cpu_set_t *);
+ int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
+ 
+ #define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \
+-	((set)->__bits[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
++	(((unsigned long *)(set))[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
+ 
+ #define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
+ #define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &=~)
+@@ -94,8 +94,8 @@ static __inline void __CPU_##func##_S(size_t __size, cpu_set_t *__dest, \
+ { \
+ 	size_t __i; \
+ 	for (__i=0; __i<__size/sizeof(long); __i++) \
+-		__dest->__bits[__i] = __src1->__bits[__i] \
+-			op __src2->__bits[__i] ; \
++		((unsigned long *)__dest)[__i] = ((unsigned long *)__src1)[__i] \
++			op ((unsigned long *)__src2)[__i] ; \
+ }
+ 
+ __CPU_op_func_S(AND, &)
+-- 
+2.10.1
+
diff --git a/main/musl/0012-fix-getservby-_r-result-pointer-value-on-error.patch b/main/musl/0012-fix-getservby-_r-result-pointer-value-on-error.patch
new file mode 100644
index 0000000000..4b258dbfdd
--- /dev/null
+++ b/main/musl/0012-fix-getservby-_r-result-pointer-value-on-error.patch
@@ -0,0 +1,42 @@
+From 8d7a3f40c8de414122eb8eb2131291782ee8ed15 Mon Sep 17 00:00:00 2001
+From: Daniel Sabogal <dsabogalcc@gmail.com>
+Date: Fri, 23 Sep 2016 21:10:07 -0400
+Subject: [PATCH 12/18] fix getservby*_r result pointer value on error
+
+this is a clone of the fix to the gethostby*_r functions in
+commit fe82bb9b921be34370e6b71a1c6f062c20999ae0. the man pages
+document that the getservby*_r functions set this pointer to
+NULL if there was an error or if no record was found.
+---
+ src/network/getservbyname_r.c | 2 ++
+ src/network/getservbyport_r.c | 1 +
+ 2 files changed, 3 insertions(+)
+
+diff --git a/src/network/getservbyname_r.c b/src/network/getservbyname_r.c
+index 056c2f3..ad3d616 100644
+--- a/src/network/getservbyname_r.c
++++ b/src/network/getservbyname_r.c
+@@ -15,6 +15,8 @@ int getservbyname_r(const char *name, const char *prots,
+ 	struct service servs[MAXSERVS];
+ 	int cnt, proto, align;
+ 
++	*res = 0;
++
+ 	/* Align buffer */
+ 	align = -(uintptr_t)buf & ALIGN-1;
+ 	if (buflen < 2*sizeof(char *)+align)
+diff --git a/src/network/getservbyport_r.c b/src/network/getservbyport_r.c
+index a0a7cae..0ae0e41 100644
+--- a/src/network/getservbyport_r.c
++++ b/src/network/getservbyport_r.c
+@@ -20,6 +20,7 @@ int getservbyport_r(int port, const char *prots,
+ 		if (r) r = getservbyport_r(port, "udp", se, buf, buflen, res);
+ 		return r;
+ 	}
++	*res = 0;
+ 
+ 	/* Align buffer */
+ 	i = (uintptr_t)buf & sizeof(char *)-1;
+-- 
+2.10.1
+
diff --git a/main/musl/0013-fix-strftime-y-for-negative-tm_year.patch b/main/musl/0013-fix-strftime-y-for-negative-tm_year.patch
new file mode 100644
index 0000000000..f8fbc635c1
--- /dev/null
+++ b/main/musl/0013-fix-strftime-y-for-negative-tm_year.patch
@@ -0,0 +1,24 @@
+From 583ea83541dcc6481c7a1bd1a9b485526bad84a1 Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Tue, 4 Oct 2016 17:14:57 +0000
+Subject: [PATCH 13/18] fix strftime %y for negative tm_year
+
+---
+ src/time/strftime.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/time/strftime.c b/src/time/strftime.c
+index f1ccc4d..e103e02 100644
+--- a/src/time/strftime.c
++++ b/src/time/strftime.c
+@@ -167,6 +167,7 @@ const char *__strftime_fmt_1(char (*s)[100], size_t *l, int f, const struct tm *
+ 		goto nl_strftime;
+ 	case 'y':
+ 		val = tm->tm_year % 100;
++		if (val<0) val += 100;
+ 		goto number;
+ 	case 'Y':
+ 		val = tm->tm_year + 1900LL;
+-- 
+2.10.1
+
diff --git a/main/musl/0001-fix-missing-integer-overflow-checks-in-regexec-buffe.patch b/main/musl/0014-fix-missing-integer-overflow-checks-in-regexec-buffe.patch
index 2b8316c389..b358278715 100644
--- a/main/musl/0001-fix-missing-integer-overflow-checks-in-regexec-buffe.patch
+++ b/main/musl/0014-fix-missing-integer-overflow-checks-in-regexec-buffe.patch
@@ -1,8 +1,8 @@
 From c3edc06d1e1360f3570db9155d6b318ae0d0f0f7 Mon Sep 17 00:00:00 2001
 From: Rich Felker <dalias@aerifal.cx>
 Date: Thu, 6 Oct 2016 18:34:58 -0400
-Subject: [PATCH] fix missing integer overflow checks in regexec buffer size
- computations
+Subject: [PATCH 14/18] fix missing integer overflow checks in regexec buffer
+ size computations
 
 most of the possible overflows were already ruled out in practice by
 regcomp having already succeeded performing larger allocations.
@@ -69,5 +69,5 @@ index 16c5d0a..dd52319 100644
      /* Get the various pointers within tmp_buf (properly aligned). */
      tmp_tags = (void *)buf;
 -- 
-2.10.0
+2.10.1
 
diff --git a/main/musl/0015-fix-regexec-with-haystack-strings-longer-than-INT_MA.patch b/main/musl/0015-fix-regexec-with-haystack-strings-longer-than-INT_MA.patch
new file mode 100644
index 0000000000..e78fe0bd54
--- /dev/null
+++ b/main/musl/0015-fix-regexec-with-haystack-strings-longer-than-INT_MA.patch
@@ -0,0 +1,190 @@
+From aee6abb2400b9a955c2b41166db1c22f63ad42ef Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Thu, 6 Oct 2016 12:15:47 -0400
+Subject: [PATCH 15/18] fix regexec with haystack strings longer than INT_MAX
+
+we inherited from TRE regexec code that's utterly wrong with respect
+to the integer types it's using. while it doesn't appear that
+compilers are producing unsafe output, signed integer overflows seem
+to happen, and regexec fails to find matches past offset INT_MAX.
+
+this patch fixes the type of all variables/fields used to store
+offsets in the string from int to regoff_t. after the changes, basic
+testing showed that regexec can now find matches past 2GB (INT_MAX)
+and past 4GB on x86_64, and code generation is unchanged on i386.
+---
+ src/regex/regexec.c | 54 +++++++++++++++++++++++++++--------------------------
+ 1 file changed, 28 insertions(+), 26 deletions(-)
+
+diff --git a/src/regex/regexec.c b/src/regex/regexec.c
+index dd52319..5c4cb92 100644
+--- a/src/regex/regexec.c
++++ b/src/regex/regexec.c
+@@ -44,7 +44,7 @@
+ 
+ static void
+ tre_fill_pmatch(size_t nmatch, regmatch_t pmatch[], int cflags,
+-		const tre_tnfa_t *tnfa, int *tags, int match_eo);
++		const tre_tnfa_t *tnfa, regoff_t *tags, regoff_t match_eo);
+ 
+ /***********************************************************************
+  from tre-match-utils.h
+@@ -97,7 +97,7 @@ tre_fill_pmatch(size_t nmatch, regmatch_t pmatch[], int cflags,
+ /* Returns 1 if `t1' wins `t2', 0 otherwise. */
+ static int
+ tre_tag_order(int num_tags, tre_tag_direction_t *tag_directions,
+-	      int *t1, int *t2)
++	      regoff_t *t1, regoff_t *t2)
+ {
+   int i;
+   for (i = 0; i < num_tags; i++)
+@@ -157,25 +157,25 @@ tre_neg_char_classes_match(tre_ctype_t *classes, tre_cint_t wc, int icase)
+ 
+ typedef struct {
+   tre_tnfa_transition_t *state;
+-  int *tags;
++  regoff_t *tags;
+ } tre_tnfa_reach_t;
+ 
+ typedef struct {
+-  int pos;
+-  int **tags;
++  regoff_t pos;
++  regoff_t **tags;
+ } tre_reach_pos_t;
+ 
+ 
+ static reg_errcode_t
+ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string,
+-		      int *match_tags, int eflags,
+-		      int *match_end_ofs)
++		      regoff_t *match_tags, int eflags,
++		      regoff_t *match_end_ofs)
+ {
+   /* State variables required by GET_NEXT_WCHAR. */
+   tre_char_t prev_c = 0, next_c = 0;
+   const char *str_byte = string;
+-  int pos = -1;
+-  int pos_add_next = 1;
++  regoff_t pos = -1;
++  regoff_t pos_add_next = 1;
+ #ifdef TRE_MBSTATE
+   mbstate_t mbstate;
+ #endif /* TRE_MBSTATE */
+@@ -191,10 +191,10 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string,
+   int *tag_i;
+   int num_tags, i;
+ 
+-  int match_eo = -1;	   /* end offset of match (-1 if no match found yet) */
++  regoff_t match_eo = -1;	   /* end offset of match (-1 if no match found yet) */
+   int new_match = 0;
+-  int *tmp_tags = NULL;
+-  int *tmp_iptr;
++  regoff_t *tmp_tags = NULL;
++  regoff_t *tmp_iptr;
+ 
+ #ifdef TRE_MBSTATE
+   memset(&mbstate, '\0', sizeof(mbstate));
+@@ -214,7 +214,7 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string,
+ 
+     /* Ensure that tbytes and xbytes*num_states cannot overflow, and that
+      * they don't contribute more than 1/8 of SIZE_MAX to total_bytes. */
+-    if (num_tags > SIZE_MAX/(8 * sizeof(int) * tnfa->num_states))
++    if (num_tags > SIZE_MAX/(8 * sizeof(regoff_t) * tnfa->num_states))
+       goto error_exit;
+ 
+     /* Likewise check rbytes. */
+@@ -229,7 +229,7 @@ tre_tnfa_run_parallel(const tre_tnfa_t *tnfa, const void *string,
+     tbytes = sizeof(*tmp_tags) * num_tags;
+     rbytes = sizeof(*reach_next) * (tnfa->num_states + 1);
+     pbytes = sizeof(*reach_pos) * tnfa->num_states;
+-    xbytes = sizeof(int) * num_tags;
++    xbytes = sizeof(regoff_t) * num_tags;
+     total_bytes =
+       (sizeof(long) - 1) * 4 /* for alignment paddings */
+       + (rbytes + xbytes * tnfa->num_states) * 2 + tbytes + pbytes;
+@@ -490,12 +490,12 @@ error_exit:
+ */
+ 
+ typedef struct {
+-  int pos;
++  regoff_t pos;
+   const char *str_byte;
+   tre_tnfa_transition_t *state;
+   int state_id;
+   int next_c;
+-  int *tags;
++  regoff_t *tags;
+ #ifdef TRE_MBSTATE
+   mbstate_t mbstate;
+ #endif /* TRE_MBSTATE */
+@@ -591,13 +591,13 @@ typedef struct tre_backtrack_struct {
+ 
+ static reg_errcode_t
+ tre_tnfa_run_backtrack(const tre_tnfa_t *tnfa, const void *string,
+-		       int *match_tags, int eflags, int *match_end_ofs)
++		       regoff_t *match_tags, int eflags, regoff_t *match_end_ofs)
+ {
+   /* State variables required by GET_NEXT_WCHAR. */
+   tre_char_t prev_c = 0, next_c = 0;
+   const char *str_byte = string;
+-  int pos = 0;
+-  int pos_add_next = 1;
++  regoff_t pos = 0;
++  regoff_t pos_add_next = 1;
+ #ifdef TRE_MBSTATE
+   mbstate_t mbstate;
+ #endif /* TRE_MBSTATE */
+@@ -610,15 +610,16 @@ tre_tnfa_run_backtrack(const tre_tnfa_t *tnfa, const void *string,
+      started from. */
+   int next_c_start;
+   const char *str_byte_start;
+-  int pos_start = -1;
++  regoff_t pos_start = -1;
+ #ifdef TRE_MBSTATE
+   mbstate_t mbstate_start;
+ #endif /* TRE_MBSTATE */
+ 
+   /* End offset of best match so far, or -1 if no match found yet. */
+-  int match_eo = -1;
++  regoff_t match_eo = -1;
+   /* Tag arrays. */
+-  int *next_tags, *tags = NULL;
++  int *next_tags;
++  regoff_t *tags = NULL;
+   /* Current TNFA state. */
+   tre_tnfa_transition_t *state;
+   int *states_seen = NULL;
+@@ -768,8 +769,9 @@ tre_tnfa_run_backtrack(const tre_tnfa_t *tnfa, const void *string,
+ 	  /* This is a back reference state.  All transitions leaving from
+ 	     this state have the same back reference "assertion".  Instead
+ 	     of reading the next character, we match the back reference. */
+-	  int so, eo, bt = trans_i->u.backref;
+-	  int bt_len;
++	  regoff_t so, eo;
++	  int bt = trans_i->u.backref;
++	  regoff_t bt_len;
+ 	  int result;
+ 
+ 	  /* Get the substring we need to match against.  Remember to
+@@ -926,7 +928,7 @@ tre_tnfa_run_backtrack(const tre_tnfa_t *tnfa, const void *string,
+    endpoint values. */
+ static void
+ tre_fill_pmatch(size_t nmatch, regmatch_t pmatch[], int cflags,
+-		const tre_tnfa_t *tnfa, int *tags, int match_eo)
++		const tre_tnfa_t *tnfa, regoff_t *tags, regoff_t match_eo)
+ {
+   tre_submatch_data_t *submatch_data;
+   unsigned int i, j;
+@@ -996,7 +998,7 @@ regexec(const regex_t *restrict preg, const char *restrict string,
+ {
+   tre_tnfa_t *tnfa = (void *)preg->TRE_REGEX_T_FIELD;
+   reg_errcode_t status;
+-  int *tags = NULL, eo;
++  regoff_t *tags = NULL, eo;
+   if (tnfa->cflags & REG_NOSUB) nmatch = 0;
+   if (tnfa->num_tags > 0 && nmatch > 0)
+     {
+-- 
+2.10.1
+
diff --git a/main/musl/0016-fix-integer-overflow-in-float-printf-needed-precisio.patch b/main/musl/0016-fix-integer-overflow-in-float-printf-needed-precisio.patch
new file mode 100644
index 0000000000..fcadc040d2
--- /dev/null
+++ b/main/musl/0016-fix-integer-overflow-in-float-printf-needed-precisio.patch
@@ -0,0 +1,37 @@
+From 70d2687d85c314963cf280759b23fd4573ff0d82 Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Wed, 19 Oct 2016 20:17:16 -0400
+Subject: [PATCH 16/18] fix integer overflow in float printf needed-precision
+ computation
+
+if the requested precision is close to INT_MAX, adding
+LDBL_MANT_DIG/3+8 overflows. in practice the resulting undefined
+behavior manifests as a large negative result, which is then used to
+compute the new end pointer (z) with a wildly out-of-bounds value
+(more overflow, more undefined behavior). the end result is at least
+incorrect output and character count (return value); worse things do
+not seem to happen, but detailed analysis has not been done.
+
+this patch fixes the overflow by performing the intermediate
+computation as unsigned; after division by 9, the final result
+necessarily fits in int.
+---
+ src/stdio/vfprintf.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
+index e439a07..cd17ad7 100644
+--- a/src/stdio/vfprintf.c
++++ b/src/stdio/vfprintf.c
+@@ -312,7 +312,7 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
+ 	}
+ 	while (e2<0) {
+ 		uint32_t carry=0, *b;
+-		int sh=MIN(9,-e2), need=1+(p+LDBL_MANT_DIG/3+8)/9;
++		int sh=MIN(9,-e2), need=1+(p+LDBL_MANT_DIG/3U+8)/9;
+ 		for (d=a; d<z; d++) {
+ 			uint32_t rm = *d & (1<<sh)-1;
+ 			*d = (*d>>sh) + carry;
+-- 
+2.10.1
+
diff --git a/main/musl/0017-fix-integer-overflows-and-uncaught-EOVERFLOW-in-prin.patch b/main/musl/0017-fix-integer-overflows-and-uncaught-EOVERFLOW-in-prin.patch
new file mode 100644
index 0000000000..c8fb63f1d1
--- /dev/null
+++ b/main/musl/0017-fix-integer-overflows-and-uncaught-EOVERFLOW-in-prin.patch
@@ -0,0 +1,392 @@
+From 167dfe9672c116b315e72e57a55c7769f180dffa Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Thu, 20 Oct 2016 00:22:09 -0400
+Subject: [PATCH 17/18] fix integer overflows and uncaught EOVERFLOW in printf
+ core
+
+this patch fixes a large number of missed internal signed-overflow
+checks and errors in determining when the return value (output length)
+would exceed INT_MAX, which should result in EOVERFLOW. some of the
+issues fixed were reported by Alexander Cherepanov; others were found
+in subsequent review of the code.
+
+aside from the signed overflows being undefined behavior, the
+following specific bugs were found to exist in practice:
+
+- overflows computing length of floating point formats with huge
+  explicit precisions, integer formats with prefix characters and huge
+  explicit precisions, or string arguments or format strings longer
+  than INT_MAX, resulted in wrong return value and wrong %n results.
+
+- literal width and precision values outside the range of int were
+  misinterpreted, yielding wrong behavior in at least one well-defined
+  case: string formats with precision greater than INT_MAX were
+  sometimes truncated.
+
+- in cases where EOVERFLOW is produced, incorrect values could be
+  written for %n specifiers past the point of exceeding INT_MAX.
+
+in addition to fixing these bugs, we now stop producing output
+immediately when output length would exceed INT_MAX, rather than
+continuing and returning an error only at the end.
+---
+ src/stdio/vfprintf.c  | 72 +++++++++++++++++++++++++++++++++++----------------
+ src/stdio/vfwprintf.c | 63 +++++++++++++++++++++++++++-----------------
+ 2 files changed, 89 insertions(+), 46 deletions(-)
+
+diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
+index cd17ad7..e2ab2dc 100644
+--- a/src/stdio/vfprintf.c
++++ b/src/stdio/vfprintf.c
+@@ -272,6 +272,8 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
+ 			if (s-buf==1 && (y||p>0||(fl&ALT_FORM))) *s++='.';
+ 		} while (y);
+ 
++		if (p > INT_MAX-2-(ebuf-estr)-pl)
++			return -1;
+ 		if (p && s-buf-2 < p)
+ 			l = (p+2) + (ebuf-estr);
+ 		else
+@@ -383,17 +385,22 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
+ 				p = MIN(p,MAX(0,9*(z-r-1)+e-j));
+ 		}
+ 	}
++	if (p > INT_MAX-1-(p || (fl&ALT_FORM)))
++		return -1;
+ 	l = 1 + p + (p || (fl&ALT_FORM));
+ 	if ((t|32)=='f') {
++		if (e > INT_MAX-l) return -1;
+ 		if (e>0) l+=e;
+ 	} else {
+ 		estr=fmt_u(e<0 ? -e : e, ebuf);
+ 		while(ebuf-estr<2) *--estr='0';
+ 		*--estr = (e<0 ? '-' : '+');
+ 		*--estr = t;
++		if (ebuf-estr > INT_MAX-l) return -1;
+ 		l += ebuf-estr;
+ 	}
+ 
++	if (l > INT_MAX-pl) return -1;
+ 	pad(f, ' ', w, pl+l, fl);
+ 	out(f, prefix, pl);
+ 	pad(f, '0', w, pl+l, fl^ZERO_PAD);
+@@ -437,8 +444,10 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
+ 
+ static int getint(char **s) {
+ 	int i;
+-	for (i=0; isdigit(**s); (*s)++)
+-		i = 10*i + (**s-'0');
++	for (i=0; isdigit(**s); (*s)++) {
++		if (i > INT_MAX/10U || **s-'0' > INT_MAX-10*i) i = -1;
++		else i = 10*i + (**s-'0');
++	}
+ 	return i;
+ }
+ 
+@@ -446,12 +455,12 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ {
+ 	char *a, *z, *s=(char *)fmt;
+ 	unsigned l10n=0, fl;
+-	int w, p;
++	int w, p, xp;
+ 	union arg arg;
+ 	int argpos;
+ 	unsigned st, ps;
+ 	int cnt=0, l=0;
+-	int i;
++	size_t i;
+ 	char buf[sizeof(uintmax_t)*3+3+LDBL_MANT_DIG/4];
+ 	const char *prefix;
+ 	int t, pl;
+@@ -459,18 +468,19 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 	char mb[4];
+ 
+ 	for (;;) {
++		/* This error is only specified for snprintf, but since it's
++		 * unspecified for other forms, do the same. Stop immediately
++		 * on overflow; otherwise %n could produce wrong results. */
++		if (l > INT_MAX - cnt) goto overflow;
++
+ 		/* Update output count, end loop when fmt is exhausted */
+-		if (cnt >= 0) {
+-			if (l > INT_MAX - cnt) {
+-				errno = EOVERFLOW;
+-				cnt = -1;
+-			} else cnt += l;
+-		}
++		cnt += l;
+ 		if (!*s) break;
+ 
+ 		/* Handle literal text and %% format specifiers */
+ 		for (a=s; *s && *s!='%'; s++);
+ 		for (z=s; s[0]=='%' && s[1]=='%'; z++, s+=2);
++		if (z-a > INT_MAX-cnt) goto overflow;
+ 		l = z-a;
+ 		if (f) out(f, a, l);
+ 		if (l) continue;
+@@ -498,9 +508,9 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 			} else if (!l10n) {
+ 				w = f ? va_arg(*ap, int) : 0;
+ 				s++;
+-			} else return -1;
++			} else goto inval;
+ 			if (w<0) fl|=LEFT_ADJ, w=-w;
+-		} else if ((w=getint(&s))<0) return -1;
++		} else if ((w=getint(&s))<0) goto overflow;
+ 
+ 		/* Read precision */
+ 		if (*s=='.' && s[1]=='*') {
+@@ -511,24 +521,29 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 			} else if (!l10n) {
+ 				p = f ? va_arg(*ap, int) : 0;
+ 				s+=2;
+-			} else return -1;
++			} else goto inval;
++			xp = (p>=0);
+ 		} else if (*s=='.') {
+ 			s++;
+ 			p = getint(&s);
+-		} else p = -1;
++			xp = 1;
++		} else {
++			p = -1;
++			xp = 0;
++		}
+ 
+ 		/* Format specifier state machine */
+ 		st=0;
+ 		do {
+-			if (OOB(*s)) return -1;
++			if (OOB(*s)) goto inval;
+ 			ps=st;
+ 			st=states[st]S(*s++);
+ 		} while (st-1<STOP);
+-		if (!st) return -1;
++		if (!st) goto inval;
+ 
+ 		/* Check validity of argument type (nl/normal) */
+ 		if (st==NOARG) {
+-			if (argpos>=0) return -1;
++			if (argpos>=0) goto inval;
+ 		} else {
+ 			if (argpos>=0) nl_type[argpos]=st, arg=nl_arg[argpos];
+ 			else if (f) pop_arg(&arg, st, ap);
+@@ -584,6 +599,7 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 		case 'u':
+ 			a = fmt_u(arg.i, z);
+ 			}
++			if (xp && p<0) goto overflow;
+ 			if (p>=0) fl &= ~ZERO_PAD;
+ 			if (!arg.i && !p) {
+ 				a=z;
+@@ -599,9 +615,9 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 			if (1) a = strerror(errno); else
+ 		case 's':
+ 			a = arg.p ? arg.p : "(null)";
+-			z = memchr(a, 0, p);
+-			if (!z) z=a+p;
+-			else p=z-a;
++			z = a + strnlen(a, p<0 ? INT_MAX : p);
++			if (p<0 && *z) goto overflow;
++			p = z-a;
+ 			fl &= ~ZERO_PAD;
+ 			break;
+ 		case 'C':
+@@ -611,8 +627,9 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 			p = -1;
+ 		case 'S':
+ 			ws = arg.p;
+-			for (i=l=0; i<0U+p && *ws && (l=wctomb(mb, *ws++))>=0 && l<=0U+p-i; i+=l);
++			for (i=l=0; i<p && *ws && (l=wctomb(mb, *ws++))>=0 && l<=p-i; i+=l);
+ 			if (l<0) return -1;
++			if (i > INT_MAX) goto overflow;
+ 			p = i;
+ 			pad(f, ' ', w, p, fl);
+ 			ws = arg.p;
+@@ -623,12 +640,16 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 			continue;
+ 		case 'e': case 'f': case 'g': case 'a':
+ 		case 'E': case 'F': case 'G': case 'A':
++			if (xp && p<0) goto overflow;
+ 			l = fmt_fp(f, arg.f, w, p, fl, t);
++			if (l<0) goto overflow;
+ 			continue;
+ 		}
+ 
+ 		if (p < z-a) p = z-a;
++		if (p > INT_MAX-pl) goto overflow;
+ 		if (w < pl+p) w = pl+p;
++		if (w > INT_MAX-cnt) goto overflow;
+ 
+ 		pad(f, ' ', w, pl+p, fl);
+ 		out(f, prefix, pl);
+@@ -646,8 +667,15 @@ static int printf_core(FILE *f, const char *fmt, va_list *ap, union arg *nl_arg,
+ 	for (i=1; i<=NL_ARGMAX && nl_type[i]; i++)
+ 		pop_arg(nl_arg+i, nl_type[i], ap);
+ 	for (; i<=NL_ARGMAX && !nl_type[i]; i++);
+-	if (i<=NL_ARGMAX) return -1;
++	if (i<=NL_ARGMAX) goto inval;
+ 	return 1;
++
++inval:
++	errno = EINVAL;
++	return -1;
++overflow:
++	errno = EOVERFLOW;
++	return -1;
+ }
+ 
+ int vfprintf(FILE *restrict f, const char *restrict fmt, va_list ap)
+diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c
+index f9f1ecf..b8fff20 100644
+--- a/src/stdio/vfwprintf.c
++++ b/src/stdio/vfwprintf.c
+@@ -154,8 +154,10 @@ static void out(FILE *f, const wchar_t *s, size_t l)
+ 
+ static int getint(wchar_t **s) {
+ 	int i;
+-	for (i=0; iswdigit(**s); (*s)++)
+-		i = 10*i + (**s-'0');
++	for (i=0; iswdigit(**s); (*s)++) {
++		if (i > INT_MAX/10U || **s-'0' > INT_MAX-10*i) i = -1;
++		else i = 10*i + (**s-'0');
++	}
+ 	return i;
+ }
+ 
+@@ -168,8 +170,8 @@ static const char sizeprefix['y'-'a'] = {
+ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_arg, int *nl_type)
+ {
+ 	wchar_t *a, *z, *s=(wchar_t *)fmt;
+-	unsigned l10n=0, litpct, fl;
+-	int w, p;
++	unsigned l10n=0, fl;
++	int w, p, xp;
+ 	union arg arg;
+ 	int argpos;
+ 	unsigned st, ps;
+@@ -181,20 +183,19 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 	wchar_t wc;
+ 
+ 	for (;;) {
++		/* This error is only specified for snprintf, but since it's
++		 * unspecified for other forms, do the same. Stop immediately
++		 * on overflow; otherwise %n could produce wrong results. */
++		if (l > INT_MAX - cnt) goto overflow;
++
+ 		/* Update output count, end loop when fmt is exhausted */
+-		if (cnt >= 0) {
+-			if (l > INT_MAX - cnt) {
+-				if (!ferror(f)) errno = EOVERFLOW;
+-				cnt = -1;
+-			} else cnt += l;
+-		}
++		cnt += l;
+ 		if (!*s) break;
+ 
+ 		/* Handle literal text and %% format specifiers */
+ 		for (a=s; *s && *s!='%'; s++);
+-		litpct = wcsspn(s, L"%")/2; /* Optimize %%%% runs */
+-		z = s+litpct;
+-		s += 2*litpct;
++		for (z=s; s[0]=='%' && s[1]=='%'; z++, s+=2);
++		if (z-a > INT_MAX-cnt) goto overflow;
+ 		l = z-a;
+ 		if (f) out(f, a, l);
+ 		if (l) continue;
+@@ -222,9 +223,9 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 			} else if (!l10n) {
+ 				w = f ? va_arg(*ap, int) : 0;
+ 				s++;
+-			} else return -1;
++			} else goto inval;
+ 			if (w<0) fl|=LEFT_ADJ, w=-w;
+-		} else if ((w=getint(&s))<0) return -1;
++		} else if ((w=getint(&s))<0) goto overflow;
+ 
+ 		/* Read precision */
+ 		if (*s=='.' && s[1]=='*') {
+@@ -235,24 +236,29 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 			} else if (!l10n) {
+ 				p = f ? va_arg(*ap, int) : 0;
+ 				s+=2;
+-			} else return -1;
++			} else goto inval;
++			xp = (p>=0);
+ 		} else if (*s=='.') {
+ 			s++;
+ 			p = getint(&s);
+-		} else p = -1;
++			xp = 1;
++		} else {
++			p = -1;
++			xp = 0;
++		}
+ 
+ 		/* Format specifier state machine */
+ 		st=0;
+ 		do {
+-			if (OOB(*s)) return -1;
++			if (OOB(*s)) goto inval;
+ 			ps=st;
+ 			st=states[st]S(*s++);
+ 		} while (st-1<STOP);
+-		if (!st) return -1;
++		if (!st) goto inval;
+ 
+ 		/* Check validity of argument type (nl/normal) */
+ 		if (st==NOARG) {
+-			if (argpos>=0) return -1;
++			if (argpos>=0) goto inval;
+ 		} else {
+ 			if (argpos>=0) nl_type[argpos]=st, arg=nl_arg[argpos];
+ 			else if (f) pop_arg(&arg, st, ap);
+@@ -285,8 +291,9 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 			continue;
+ 		case 'S':
+ 			a = arg.p;
+-			z = wmemchr(a, 0, p);
+-			if (z) p=z-a;
++			z = a + wcsnlen(a, p<0 ? INT_MAX : p);
++			if (p<0 && *z) goto overflow;
++			p = z-a;
+ 			if (w<p) w=p;
+ 			if (!(fl&LEFT_ADJ)) fprintf(f, "%*s", w-p, "");
+ 			out(f, a, p);
+@@ -298,9 +305,9 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 		case 's':
+ 			if (!arg.p) arg.p = "(null)";
+ 			bs = arg.p;
+-			if (p<0) p = INT_MAX;
+-			for (i=l=0; l<p && (i=mbtowc(&wc, bs, MB_LEN_MAX))>0; bs+=i, l++);
++			for (i=l=0; l<(p<0?INT_MAX:p) && (i=mbtowc(&wc, bs, MB_LEN_MAX))>0; bs+=i, l++);
+ 			if (i<0) return -1;
++			if (p<0 && *bs) goto overflow;
+ 			p=l;
+ 			if (w<p) w=p;
+ 			if (!(fl&LEFT_ADJ)) fprintf(f, "%*s", w-p, "");
+@@ -315,6 +322,7 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 			continue;
+ 		}
+ 
++		if (xp && p<0) goto overflow;
+ 		snprintf(charfmt, sizeof charfmt, "%%%s%s%s%s%s*.*%c%c",
+ 			"#"+!(fl & ALT_FORM),
+ 			"+"+!(fl & MARK_POS),
+@@ -341,6 +349,13 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_
+ 	for (; i<=NL_ARGMAX && !nl_type[i]; i++);
+ 	if (i<=NL_ARGMAX) return -1;
+ 	return 1;
++
++inval:
++	errno = EINVAL;
++	return -1;
++overflow:
++	errno = EOVERFLOW;
++	return -1;
+ }
+ 
+ int vfwprintf(FILE *restrict f, const wchar_t *restrict fmt, va_list ap)
+-- 
+2.10.1
+
diff --git a/main/musl/0018-fix-clock_nanosleep-error-case.patch b/main/musl/0018-fix-clock_nanosleep-error-case.patch
new file mode 100644
index 0000000000..eaa61c9f8d
--- /dev/null
+++ b/main/musl/0018-fix-clock_nanosleep-error-case.patch
@@ -0,0 +1,31 @@
+From 3ca2d2d4aef910663785fe232d7d2127a22d8a84 Mon Sep 17 00:00:00 2001
+From: Daniel Sabogal <dsabogalcc@gmail.com>
+Date: Sat, 17 Sep 2016 12:05:45 -0400
+Subject: [PATCH 18/25] fix clock_nanosleep error case
+
+posix requires that EINVAL be returned if the first parameter specifies
+the cpu-time clock of the calling thread (CLOCK_THREAD_CPUTIME_ID).
+linux returns ENOTSUP instead so we handle this.
+---
+ src/time/clock_nanosleep.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/time/clock_nanosleep.c b/src/time/clock_nanosleep.c
+index ec87b9e..9e4d9f1 100644
+--- a/src/time/clock_nanosleep.c
++++ b/src/time/clock_nanosleep.c
+@@ -1,8 +1,10 @@
+ #include <time.h>
++#include <errno.h>
+ #include "syscall.h"
+ #include "libc.h"
+ 
+ int clock_nanosleep(clockid_t clk, int flags, const struct timespec *req, struct timespec *rem)
+ {
+-	return -__syscall_cp(SYS_clock_nanosleep, clk, flags, req, rem);
++	int r = -__syscall_cp(SYS_clock_nanosleep, clk, flags, req, rem);
++	return clk == CLOCK_THREAD_CPUTIME_ID ? EINVAL : r;
+ }
+-- 
+2.10.1
+
diff --git a/main/musl/0001-use-dynamic-buffer-for-getmntent.patch b/main/musl/0018-use-dynamic-buffer-for-getmntent.patch
index 12feaa8266..7178a00a4a 100644
--- a/main/musl/0001-use-dynamic-buffer-for-getmntent.patch
+++ b/main/musl/0018-use-dynamic-buffer-for-getmntent.patch
@@ -1,7 +1,7 @@
-From c0dd2db34a8a5d51699406a90a4f87cb3129d5a1 Mon Sep 17 00:00:00 2001
+From 05973dc3bbc1aca9b3c8347de6879ed72147ab3b Mon Sep 17 00:00:00 2001
 From: Natanael Copa <ncopa@alpinelinux.org>
-Date: Thu, 8 Sep 2016 09:06:22 +0200
-Subject: [PATCH] use dynamic buffer for getmntent
+Date: Thu, 8 Sep 2016 19:07:31 +0200
+Subject: [PATCH 18/18] use dynamic buffer for getmntent
 
 overlayfs may have fairly long lines so we use getline to allocate a
 buffer dynamically. The buffer will be allocated on first use, expand as
@@ -11,26 +11,26 @@ Downstream bug: http://bugs.alpinelinux.org/issues/5703
 
 Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
 ---
- src/misc/mntent.c | 16 ++++++++++++----
- 1 file changed, 12 insertions(+), 4 deletions(-)
+ src/misc/mntent.c | 17 +++++++++++++----
+ 1 file changed, 13 insertions(+), 4 deletions(-)
 
 diff --git a/src/misc/mntent.c b/src/misc/mntent.c
-index a16d652..722a030 100644
+index a16d652..eabb820 100644
 --- a/src/misc/mntent.c
 +++ b/src/misc/mntent.c
 @@ -3,6 +3,11 @@
  #include <mntent.h>
  #include <errno.h>
  
-+static char *internal_buf = NULL;
-+static size_t internal_bufsize = 0;
++static char *internal_buf;
++static size_t internal_bufsize;
 +
 +#define SENTINEL (char *)&internal_buf
 +
  FILE *setmntent(const char *name, const char *mode)
  {
  	return fopen(name, mode);
-@@ -16,13 +21,17 @@ int endmntent(FILE *f)
+@@ -16,13 +21,18 @@ int endmntent(FILE *f)
  
  struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int buflen)
  {
@@ -45,12 +45,13 @@ index a16d652..722a030 100644
 +		if (use_internal) {
 +			getline(&internal_buf, &internal_bufsize, f);
 +			linebuf = internal_buf;
-+		} else
++		} else {
 +			fgets(linebuf, buflen, f);
++		}
  		if (feof(f) || ferror(f)) return 0;
  		if (!strchr(linebuf, '\n')) {
  			fscanf(f, "%*[^\n]%*[\n]");
-@@ -49,9 +58,8 @@ struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int bufle
+@@ -49,9 +59,8 @@ struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int bufle
  
  struct mntent *getmntent(FILE *f)
  {
@@ -62,5 +63,5 @@ index a16d652..722a030 100644
  
  int addmntent(FILE *f, const struct mntent *mnt)
 -- 
-2.10.0
+2.10.1
 
diff --git a/main/musl/0019-add-pthread_setname_np.patch b/main/musl/0019-add-pthread_setname_np.patch
new file mode 100644
index 0000000000..1f02497dd3
--- /dev/null
+++ b/main/musl/0019-add-pthread_setname_np.patch
@@ -0,0 +1,59 @@
+From 8fb28b0b3e7a5e958fb844722a4b2ef9bc244af1 Mon Sep 17 00:00:00 2001
+From: Felix Janda <felix.janda@posteo.de>
+Date: Fri, 16 Sep 2016 20:54:00 -0400
+Subject: [PATCH 19/25] add pthread_setname_np
+
+the thread name is displayed by gdb's "info threads".
+---
+ include/pthread.h               |  1 +
+ src/thread/pthread_setname_np.c | 26 ++++++++++++++++++++++++++
+ 2 files changed, 27 insertions(+)
+ create mode 100644 src/thread/pthread_setname_np.c
+
+diff --git a/include/pthread.h b/include/pthread.h
+index 3d2e0c4..94ef919 100644
+--- a/include/pthread.h
++++ b/include/pthread.h
+@@ -214,6 +214,7 @@ struct cpu_set_t;
+ int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
+ int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
+ int pthread_getattr_np(pthread_t, pthread_attr_t *);
++int pthread_setname_np(pthread_t, const char *);
+ int pthread_tryjoin_np(pthread_t, void **);
+ int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
+ #endif
+diff --git a/src/thread/pthread_setname_np.c b/src/thread/pthread_setname_np.c
+new file mode 100644
+index 0000000..82d35e1
+--- /dev/null
++++ b/src/thread/pthread_setname_np.c
+@@ -0,0 +1,26 @@
++#define _GNU_SOURCE
++#include <fcntl.h>
++#include <string.h>
++#include <unistd.h>
++#include <sys/prctl.h>
++
++#include "pthread_impl.h"
++
++int pthread_setname_np(pthread_t thread, const char *name)
++{
++	int fd, cs, status = 0;
++	char f[sizeof "/proc/self/task//comm" + 3*sizeof(int)];
++	size_t len;
++
++	if ((len = strnlen(name, 16)) > 15) return ERANGE;
++
++	if (thread == pthread_self())
++		return prctl(PR_SET_NAME, (unsigned long)name, 0UL, 0UL, 0UL) ? errno : 0;
++
++	snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid);
++	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
++	if ((fd = open(f, O_WRONLY)) < 0 || write(fd, name, len) < 0) status = errno;
++	if (fd >= 0) close(fd);
++	pthread_setcancelstate(cs, 0);
++	return status;
++}
+-- 
+2.10.1
+
diff --git a/main/musl/0020-fix-float-formatting-of-some-exact-halfway-cases.patch b/main/musl/0020-fix-float-formatting-of-some-exact-halfway-cases.patch
new file mode 100644
index 0000000000..1e7284e622
--- /dev/null
+++ b/main/musl/0020-fix-float-formatting-of-some-exact-halfway-cases.patch
@@ -0,0 +1,31 @@
+From 51ab6db4ed115d079d7131975e4adb074ba9ef9d Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Wed, 12 Oct 2016 00:49:59 +0200
+Subject: [PATCH 20/25] fix float formatting of some exact halfway cases
+
+in nearest rounding mode exact halfway cases were not following the
+round to even rule if the rounding happened at a base 1000000000 digit
+boundary of the internal representation and the previous digit was odd.
+
+e.g. printf("%.0f", 1.5) printed 1 instead of 2.
+---
+ src/stdio/vfprintf.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
+index e2ab2dc..60da14d 100644
+--- a/src/stdio/vfprintf.c
++++ b/src/stdio/vfprintf.c
+@@ -345,7 +345,8 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
+ 		if (x || d+1!=z) {
+ 			long double round = 2/LDBL_EPSILON;
+ 			long double small;
+-			if (*d/i & 1) round += 2;
++			if ((*d/i & 1) || (i==1000000000 && d>a && (d[-1]&1)))
++				round += 2;
+ 			if (x<i/2) small=0x0.8p0;
+ 			else if (x==i/2 && d+1==z) small=0x1.0p0;
+ 			else small=0x1.8p0;
+-- 
+2.10.1
+
diff --git a/main/musl/0021-fix-getopt_long_only-misinterpreting-as-an-option.patch b/main/musl/0021-fix-getopt_long_only-misinterpreting-as-an-option.patch
new file mode 100644
index 0000000000..bba3186cac
--- /dev/null
+++ b/main/musl/0021-fix-getopt_long_only-misinterpreting-as-an-option.patch
@@ -0,0 +1,25 @@
+From b24f1d2520c87077cef21e085893e5f3c565a6df Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Thu, 20 Oct 2016 12:13:33 -0400
+Subject: [PATCH 21/25] fix getopt_long_only misinterpreting "--" as an option
+
+---
+ src/misc/getopt_long.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/misc/getopt_long.c b/src/misc/getopt_long.c
+index 480c001..c6e1462 100644
+--- a/src/misc/getopt_long.c
++++ b/src/misc/getopt_long.c
+@@ -53,7 +53,7 @@ static int __getopt_long_core(int argc, char *const *argv, const char *optstring
+ {
+ 	optarg = 0;
+ 	if (longopts && argv[optind][0] == '-' &&
+-		((longonly && argv[optind][1]) ||
++		((longonly && argv[optind][1] && argv[optind][1] != '-') ||
+ 		 (argv[optind][1] == '-' && argv[optind][2])))
+ 	{
+ 		int colon = optstring[optstring[0]=='+'||optstring[0]=='-']==':';
+-- 
+2.10.1
+
diff --git a/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch b/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch
new file mode 100644
index 0000000000..6da625dd76
--- /dev/null
+++ b/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch
@@ -0,0 +1,34 @@
+From f33b17585058381491e6fda08f491b8e48c7980c Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Thu, 20 Oct 2016 13:22:20 -0400
+Subject: [PATCH 22/25] fix gratuitous undefined behavior in strptime
+
+accessing an object of type const char *restrict as if it had type
+char * is not defined.
+---
+ src/time/strptime.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/src/time/strptime.c b/src/time/strptime.c
+index f41f55f..55c7ed1 100644
+--- a/src/time/strptime.c
++++ b/src/time/strptime.c
+@@ -22,8 +22,13 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
+ 		}
+ 		f++;
+ 		if (*f == '+') f++;
+-		if (isdigit(*f)) w=strtoul(f, (void *)&f, 10);
+-		else w=-1;
++		if (isdigit(*f)) {
++			char *new_f;
++			w=strtoul(f, &new_f, 10);
++			f = new_f;
++		} else {
++			w=-1;
++		}
+ 		adj=0;
+ 		switch (*f++) {
+ 		case 'a': case 'A':
+-- 
+2.10.1
+
diff --git a/main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch b/main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch
new file mode 100644
index 0000000000..f81bc76940
--- /dev/null
+++ b/main/musl/0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch
@@ -0,0 +1,37 @@
+From d184a09e0529f33d8ddddb8825039133483a2c41 Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Sun, 4 Sep 2016 04:46:00 +0200
+Subject: [PATCH 23/25] fix strtod and strtof rounding with many trailing zeros
+
+in certain cases excessive trailing zeros could cause incorrect
+rounding from long double to double or float in decfloat.
+
+e.g. in strtof("9444733528689243848704.000000", 0) the argument
+is 0x1.000001p+73, exactly halfway between two representible floats,
+this incorrectly got rounded to 0x1.000002p+73 instead of 0x1p+73,
+but with less trailing 0 the rounding was fine.
+
+the fix makes sure that the z index always points one past the last
+non-zero digit in the base 10^9 representation, this way trailing
+zeros don't affect the rounding logic.
+---
+ src/internal/floatscan.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c
+index eef70df..80305ee 100644
+--- a/src/internal/floatscan.c
++++ b/src/internal/floatscan.c
+@@ -172,6 +172,9 @@ static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po
+ 			return sign * (long double)x[0] * p10s[rp-10];
+ 	}
+ 
++	/* Drop trailing zeros */
++	for (; !x[z-1]; z--);
++
+ 	/* Align radix point to B1B digit boundary */
+ 	if (rp % 9) {
+ 		int rpm9 = rp>=0 ? rp%9 : rp%9+9;
+-- 
+2.10.1
+
diff --git a/main/musl/0024-fix-strtod-int-optimization-in-non-nearest-rounding-.patch b/main/musl/0024-fix-strtod-int-optimization-in-non-nearest-rounding-.patch
new file mode 100644
index 0000000000..2d6def1957
--- /dev/null
+++ b/main/musl/0024-fix-strtod-int-optimization-in-non-nearest-rounding-.patch
@@ -0,0 +1,40 @@
+From 6ffdc4579ffb34f4aab69ab4c081badabc7c0a9a Mon Sep 17 00:00:00 2001
+From: Szabolcs Nagy <nsz@port70.net>
+Date: Sun, 4 Sep 2016 04:51:03 +0200
+Subject: [PATCH 24/25] fix strtod int optimization in non-nearest rounding
+ mode
+
+the mid-sized integer optimization relies on lnz set up properly
+to mark the last non-zero decimal digit, but this was not done
+if the non-zero digit lied outside the KMAX digits of the base
+10^9 number representation.
+
+so if the fractional part was a very long list of zeros (>2048*9 on
+x86) followed by non-zero digits then the integer optimization could
+kick in discarding the tiny non-zero fraction which can mean wrong
+result on non-nearest rounding mode.
+
+strtof, strtod and strtold were all affected.
+---
+ src/internal/floatscan.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c
+index 80305ee..ae09852 100644
+--- a/src/internal/floatscan.c
++++ b/src/internal/floatscan.c
+@@ -110,7 +110,10 @@ static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po
+ 			gotdig=1;
+ 		} else {
+ 			dc++;
+-			if (c!='0') x[KMAX-4] |= 1;
++			if (c!='0') {
++				lnz = dc;
++				x[KMAX-4] |= 1;
++			}
+ 		}
+ 	}
+ 	if (!gotrad) lrp=dc;
+-- 
+2.10.1
+
diff --git a/main/musl/0025-fix-minor-problem-in-previous-strtod-non-nearest-rou.patch b/main/musl/0025-fix-minor-problem-in-previous-strtod-non-nearest-rou.patch
new file mode 100644
index 0000000000..623729e37a
--- /dev/null
+++ b/main/musl/0025-fix-minor-problem-in-previous-strtod-non-nearest-rou.patch
@@ -0,0 +1,35 @@
+From e314258e2fe75b7443db84d2927315dea0f337c8 Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Thu, 20 Oct 2016 14:40:59 -0400
+Subject: [PATCH 25/25] fix minor problem in previous strtod non-nearest
+ rounding bug fix
+
+commit 6ffdc4579ffb34f4aab69ab4c081badabc7c0a9a set lnz in the code
+path for non-zero digits after a huge string of zeros, but the
+assignment of dc to lnz truncates if the value of dc does not fit in
+int; this is possible for some pathologically long inputs, either via
+strings on 64-bit systems or via scanf-family functions.
+
+instead, simply set lnz to match the point at which we add the
+artificial trailing 1 bit to simulate nonzero digits after a huge
+run of zeros.
+---
+ src/internal/floatscan.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c
+index ae09852..278bf25 100644
+--- a/src/internal/floatscan.c
++++ b/src/internal/floatscan.c
+@@ -111,7 +111,7 @@ static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po
+ 		} else {
+ 			dc++;
+ 			if (c!='0') {
+-				lnz = dc;
++				lnz = (KMAX-4)*9;
+ 				x[KMAX-4] |= 1;
+ 			}
+ 		}
+-- 
+2.10.1
+
diff --git a/main/musl/1001-add-support-for-pthread_-get-set-attr_default_np-GNU.patch b/main/musl/1001-add-support-for-pthread_-get-set-attr_default_np-GNU.patch
new file mode 100644
index 0000000000..93d939df76
--- /dev/null
+++ b/main/musl/1001-add-support-for-pthread_-get-set-attr_default_np-GNU.patch
@@ -0,0 +1,95 @@
+From 8c9088d0fc253a0f53f206832714e9e5138a4438 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Timo=20Ter=C3=A4s?= <timo.teras@iki.fi>
+Date: Tue, 25 Oct 2016 17:00:54 +0300
+Subject: [PATCH 1001/1001] add support for pthread_{get,set}attr_default_np
+ GNU extension
+
+While generally this is a bad API, it is the only existing API to
+affect c++ (std::thread) and c11 (thrd_create) thread stack size.
+This patch allows applications only to increate stack and guard
+page sizes.
+---
+ include/pthread.h                       |  2 ++
+ src/thread/pthread_create.c             |  7 +++++++
+ src/thread/pthread_setattr_default_np.c | 31 +++++++++++++++++++++++++++++++
+ 3 files changed, 40 insertions(+)
+ create mode 100644 src/thread/pthread_setattr_default_np.c
+
+diff --git a/include/pthread.h b/include/pthread.h
+index 94ef919..bba9587 100644
+--- a/include/pthread.h
++++ b/include/pthread.h
+@@ -215,6 +215,8 @@ int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
+ int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
+ int pthread_getattr_np(pthread_t, pthread_attr_t *);
+ int pthread_setname_np(pthread_t, const char *);
++int pthread_getattr_default_np(pthread_attr_t *);
++int pthread_setattr_default_np(const pthread_attr_t *);
+ int pthread_tryjoin_np(pthread_t, void **);
+ int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
+ #endif
+diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
+index 9f6b98e..28cf6d4 100644
+--- a/src/thread/pthread_create.c
++++ b/src/thread/pthread_create.c
+@@ -163,6 +163,8 @@ static void *dummy_tsd[1] = { 0 };
+ weak_alias(dummy_tsd, __pthread_tsd_main);
+ 
+ volatile int __block_new_threads = 0;
++size_t __default_stacksize = 0;
++size_t __default_guardsize = 0;
+ 
+ static FILE *volatile dummy_file = 0;
+ weak_alias(dummy_file, __stdin_used);
+@@ -204,6 +206,11 @@ int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict att
+ 	if (attrp && !c11) attr = *attrp;
+ 
+ 	__acquire_ptc();
++	if (!attrp || c11) {
++		attr._a_stacksize = __default_stacksize;
++		attr._a_guardsize = __default_guardsize;
++	}
++
+ 	if (__block_new_threads) __wait(&__block_new_threads, 0, 1, 1);
+ 
+ 	if (attr._a_stackaddr) {
+diff --git a/src/thread/pthread_setattr_default_np.c b/src/thread/pthread_setattr_default_np.c
+new file mode 100644
+index 0000000..21cd0f3
+--- /dev/null
++++ b/src/thread/pthread_setattr_default_np.c
+@@ -0,0 +1,31 @@
++#include "pthread_impl.h"
++
++extern size_t __default_stacksize;
++extern size_t __default_guardsize;
++
++int pthread_setattr_default_np(const pthread_attr_t *attrp)
++{
++	if (attrp->_a_stackaddr || attrp->_a_detach ||
++	    attrp->_a_sched || attrp->_a_policy || attrp->_a_prio)
++		return EINVAL;
++
++	__inhibit_ptc();
++	if (DEFAULT_STACK_SIZE+attrp->_a_stacksize >= DEFAULT_STACK_SIZE+__default_stacksize)
++		__default_stacksize = attrp->_a_stacksize;
++	if (DEFAULT_GUARD_SIZE+attrp->_a_guardsize >= DEFAULT_GUARD_SIZE+__default_guardsize)
++		__default_guardsize = attrp->_a_guardsize;
++	__release_ptc();
++
++	return 0;
++}
++
++int pthread_getattr_default_np(pthread_attr_t *attrp)
++{
++	__acquire_ptc();
++	*attrp = (pthread_attr_t) {
++		._a_stacksize = __default_stacksize,
++		._a_guardsize = __default_guardsize,
++	};
++	__release_ptc();
++	return 0;
++}
+-- 
+2.10.1
+
diff --git a/main/musl/APKBUILD b/main/musl/APKBUILD
index 9b0510fc05..2e4632c0de 100644
--- a/main/musl/APKBUILD
+++ b/main/musl/APKBUILD
@@ -2,7 +2,7 @@
 # Maintainer: Timo Teräs <timo.teras@iki.fi>
 pkgname=musl
 pkgver=1.1.15
-pkgrel=4
+pkgrel=5
 pkgdesc="the musl c library (libc) implementation"
 url="http://www.musl-libc.org/"
 arch="all"
@@ -10,12 +10,37 @@ license="MIT"
 depends=""
 depends_dev="!uclibc-dev"
 makedepends="$depends_dev"
-subpackages="$pkgname-dev $pkgname-dbg libc6-compat:compat"
+subpackages="$pkgname-dev $pkgname-dbg libc6-compat:compat:noarch"
 [ "$BOOTSTRAP" != "nolibc" ] && subpackages="$subpackages $pkgname-utils"
 source="http://www.musl-libc.org/releases/musl-$pkgver.tar.gz
 	0001-fix-asctime-day-month-names-not-to-vary-by-locale.patch
-	0001-use-dynamic-buffer-for-getmntent.patch
-	0001-fix-missing-integer-overflow-checks-in-regexec-buffe.patch
+	0001-verify-that-ttyname-refers-to-the-same-file-as-the-f.patch
+	0002-math-fix-128bit-long-double-inverse-trigonometric-fu.patch
+	0003-fix-FFSYNC-by-changing-it-to-O_SYNC.patch
+	0004-getdtablesize-fix-returning-hard-instead-of-soft-rli.patch
+	0005-restore-_Noreturn-to-__assert_fail.patch
+	0006-fix-printf-regression-with-alt-form-octal-zero-flag-.patch
+	0007-fix-ifru_data-and-ifcu_buf-types-in-net-if.h.patch
+	0008-fix-if_indextoname-error-case.patch
+	0009-add-missing-_unlocked-and-wcsftime_l-prototypes-to-w.patch
+	0010-simplify-refactor-fflush-and-make-fflush_unlocked-an.patch
+	0011-fix-undefined-behavior-in-sched.h-cpu_set_t-usage.patch
+	0012-fix-getservby-_r-result-pointer-value-on-error.patch
+	0013-fix-strftime-y-for-negative-tm_year.patch
+	0014-fix-missing-integer-overflow-checks-in-regexec-buffe.patch
+	0015-fix-regexec-with-haystack-strings-longer-than-INT_MA.patch
+	0016-fix-integer-overflow-in-float-printf-needed-precisio.patch
+	0017-fix-integer-overflows-and-uncaught-EOVERFLOW-in-prin.patch
+	0018-fix-clock_nanosleep-error-case.patch
+	0018-use-dynamic-buffer-for-getmntent.patch
+	0019-add-pthread_setname_np.patch
+	0020-fix-float-formatting-of-some-exact-halfway-cases.patch
+	0021-fix-getopt_long_only-misinterpreting-as-an-option.patch
+	0022-fix-gratuitous-undefined-behavior-in-strptime.patch
+	0023-fix-strtod-and-strtof-rounding-with-many-trailing-ze.patch
+	0024-fix-strtod-int-optimization-in-non-nearest-rounding-.patch
+	0025-fix-minor-problem-in-previous-strtod-non-nearest-rou.patch
+	1001-add-support-for-pthread_-get-set-attr_default_np-GNU.patch
 
 	ldconfig
 	__stack_chk_fail_local.c
@@ -129,8 +154,33 @@ compat() {
 
 md5sums="9590a9d47ee64f220b3c12f7afb864ca  musl-1.1.15.tar.gz
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