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Diffstat (limited to 'main/musl/0001-posix_spawn-use-larger-stack-to-cover-worst-case-in-.patch')
| -rw-r--r-- | main/musl/0001-posix_spawn-use-larger-stack-to-cover-worst-case-in-.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/main/musl/0001-posix_spawn-use-larger-stack-to-cover-worst-case-in-.patch b/main/musl/0001-posix_spawn-use-larger-stack-to-cover-worst-case-in-.patch new file mode 100644 index 0000000000..0ff9084861 --- /dev/null +++ b/main/musl/0001-posix_spawn-use-larger-stack-to-cover-worst-case-in-.patch @@ -0,0 +1,32 @@ +From 9b5ca541b2c97850b00a051ad21efc46792b91b2 Mon Sep 17 00:00:00 2001 +From: Will Dietz <w@wdtz.org> +Date: Thu, 14 Sep 2017 16:32:59 -0500 +Subject: [PATCH] posix_spawn: use larger stack to cover worst-case in execvpe + +execvpe stack-allocates a buffer used to hold the full path +(combination of a PATH entry and the program name) +while searching through $PATH, so at least +NAME_MAX+PATH_MAX is needed. + +The stack size can be made conditionally smaller +(the current 1024 appears appropriate) +should this larger size be burdensome in those situations. +--- + src/process/posix_spawn.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c +index ea5d2998..0849c71f 100644 +--- a/src/process/posix_spawn.c ++++ b/src/process/posix_spawn.c +@@ -152,7 +152,7 @@ int __posix_spawnx(pid_t *restrict res, const char *restrict path, + char *const argv[restrict], char *const envp[restrict]) + { + pid_t pid; +- char stack[1024]; ++ char stack[1024+PATH_MAX]; + int ec=0, cs; + struct args args; + +-- +2.14.1 |