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authorUlrich Drepper <drepper@redhat.com>2008-05-07 07:42:38 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-08 21:46:56 +0400
commitba719baeabbff5476eeb91c223e6921ba29e1490 (patch)
treef3023d34b9ca087412839f6b5937478d49e567ec /fs
parentc1236d31a1b9fc018b85e15a3e58e3601ddc90ae (diff)
downloadlinux-ba719baeabbff5476eeb91c223e6921ba29e1490.tar.xz
sys_pipe(): fix file descriptor leaks
Remember to close the files if copy_to_user() failed. Spotted by dm.n9107@gmail.com. Signed-off-by: Ulrich Drepper <drepper@redhat.com> Cc: DM <dm.n9107@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/pipe.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/pipe.c b/fs/pipe.c
index 3499f9ff6316..ec228bc9f882 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -17,6 +17,7 @@
#include <linux/highmem.h>
#include <linux/pagemap.h>
#include <linux/audit.h>
+#include <linux/syscalls.h>
#include <asm/uaccess.h>
#include <asm/ioctls.h>
@@ -1086,8 +1087,11 @@ asmlinkage long __weak sys_pipe(int __user *fildes)
error = do_pipe(fd);
if (!error) {
- if (copy_to_user(fildes, fd, sizeof(fd)))
+ if (copy_to_user(fildes, fd, sizeof(fd))) {
+ sys_close(fd[0]);
+ sys_close(fd[1]);
error = -EFAULT;
+ }
}
return error;
}