From 077549e0d468ff47fdf3e00bb3cfdb929ac8324f Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 1 Feb 2013 22:23:24 -0500 Subject: [PATCH] if pthread_create fails, it must not attempt mmap if there is no mapping this bug was introduced when support for application-provided stacks was originally added. --- src/thread/pthread_create.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index 4c1decaa..1e55a6f9 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -188,7 +188,7 @@ int pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict attrp if (ret < 0) { a_dec(&libc.threads_minus_1); - munmap(map, size); + if (map) munmap(map, size); return EAGAIN; } -- 2.25.1