diff options
Diffstat (limited to 'testing/libmilter/default-pthread-stacksize.patch')
| -rw-r--r-- | testing/libmilter/default-pthread-stacksize.patch | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/testing/libmilter/default-pthread-stacksize.patch b/testing/libmilter/default-pthread-stacksize.patch index 4e3524c230..9993adfece 100644 --- a/testing/libmilter/default-pthread-stacksize.patch +++ b/testing/libmilter/default-pthread-stacksize.patch @@ -1,15 +1,13 @@ -Set default pthread stack size to 8 MB +Set default pthread stack size to 256 KB -This patch tries to fix various crashes for applications depending on -libmilter by setting the stack size for pthreads to 8 MB. The default -stack size for musl libc is set to 80 KB whereas glibc has it set -to 8 MB. This causes problems when a large amount of memory is -allocated on the stack. +This patch tries to fix various crashes for applications depending on libmilter +by setting the stack size for pthreads to 256 KB. The default stack size for +musl libc is set to 80 KB whereas glibc has it set to 8 MB. This causes problems +when a large amount of memory is allocated on the stack. -For example, opendkim allocates blocks of 64 KB multiple times, which -causes libmilter (and therefore opendkim) to crash. -Maybe a stack size of 1 MB or 2 MB would be sufficient, but as opendkim -depends on the default glibc behavior, 8 MB should be safe. +For example, opendkim allocates blocks of 64 KB multiple times, which causes +libmilter (and therefore opendkim) to crash. For now, a stack size of 256 KB +looks sufficient and makes opendkim stop crashing. Fixes https://bugs.alpinelinux.org/issues/6360 @@ -37,7 +35,7 @@ Fixes https://bugs.alpinelinux.org/issues/6360 +int thread_create(pthread_t *ptid, void *(*wr) (void *), void *arg) { + pthread_attr_t attr; + pthread_attr_init(&attr); -+ pthread_attr_setstacksize(&attr,8*1024*1024); ++ pthread_attr_setstacksize(&attr,256*1024); + return pthread_create(ptid, &attr, wr, arg); +} |