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authorAdhemerval Zanella <adhemerval.zanella@linaro.com>2016-03-20 17:35:24 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.com>2016-03-20 18:17:52 -0300
commit2a69f853c03034c2e383e0f9c35b5402ce8b5473 (patch)
tree12da61d986fad63834f51d689fb023d2767a07a7 /sysdeps/unix
parent0e8e593d7339a477ad7fdc4664d5948f824f74d6 (diff)
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posix: Fix posix_spawn invalid memory access
Current Linux posix_spawn spawn do not test if the pid argument is
valid before trying to update it for success case.  This patch fixes
it.

Tested on x86_64 and i686.

	* sysdeps/unix/sysv/linux/spawni.c (__spawnix): Fix invalid memory
	access where posix_spawn success and pid argument is null.
	* posix/tst-spawn.c (do_test): Add posix_spawn null pid argument for
	success case.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/spawni.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/spawni.c b/sysdeps/unix/sysv/linux/spawni.c
index 454462be47..cb80cea00f 100644
--- a/sysdeps/unix/sysv/linux/spawni.c
+++ b/sysdeps/unix/sysv/linux/spawni.c
@@ -381,7 +381,7 @@ __spawnix (pid_t * pid, const char *file,
 
   close_not_cancel (args.pipe[0]);
 
-  if (!ec && new_pid)
+  if (!ec && pid)
     *pid = new_pid;
 
   __sigprocmask (SIG_SETMASK, &args.oldmask, 0);