diff options
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/musl/stacksize-bump.patch')
| -rw-r--r-- | nixpkgs/pkgs/os-specific/linux/musl/stacksize-bump.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/musl/stacksize-bump.patch b/nixpkgs/pkgs/os-specific/linux/musl/stacksize-bump.patch new file mode 100644 index 000000000000..fb5373005cbf --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/musl/stacksize-bump.patch @@ -0,0 +1,36 @@ +From c0058ab465e950c2c3302d2b62e21cc0b494224b Mon Sep 17 00:00:00 2001 +From: Rich Felker <dalias@aerifal.cx> +Date: Tue, 18 Sep 2018 23:11:49 -0400 +Subject: [PATCH 3/4] increase default thread stack/guard size + +stack size default is increased from 80k to 128k. this coincides with +Linux's hard-coded default stack for the main thread (128k is +initially committed; growth beyond that up to ulimit is contingent on +additional allocation succeeding) and GNU ld's default PT_GNU_STACK +size for FDPIC, at least on sh. + +guard size default is increased from 4k to 8k to reduce the risk of +guard page jumping on overflow, since use of just over 4k of stack is +common (PATH_MAX buffers, etc.). +--- + src/internal/pthread_impl.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h +index e73a251f..d491f975 100644 +--- a/src/internal/pthread_impl.h ++++ b/src/internal/pthread_impl.h +@@ -185,8 +185,8 @@ hidden void __inhibit_ptc(void); + extern hidden unsigned __default_stacksize; + extern hidden unsigned __default_guardsize; + +-#define DEFAULT_STACK_SIZE 81920 +-#define DEFAULT_GUARD_SIZE 4096 ++#define DEFAULT_STACK_SIZE 131072 ++#define DEFAULT_GUARD_SIZE 8192 + + #define DEFAULT_STACK_MAX (8<<20) + #define DEFAULT_GUARD_MAX (1<<20) +-- +2.19.0 + |