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| author | André Goddard Rosa <andre.goddard@gmail.com> | 2010-02-23 04:04:28 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-01 15:58:18 -0700 |
| commit | cdaab88937d2dbbeb27e4b837abf5d3206ddc1ec (patch) | |
| tree | c9e3518af41a78411ff598d452c8a4efc4e63939 /ipc | |
| parent | 0dcc9985f34aef3c60bffab3dfc7f7ba3748f35a (diff) | |
| download | lwn-cdaab88937d2dbbeb27e4b837abf5d3206ddc1ec.tar.gz lwn-cdaab88937d2dbbeb27e4b837abf5d3206ddc1ec.zip | |
mqueue: fix mq_open() file descriptor leak on user-space processes
commit 4294a8eedb17bbc45e1e7447c2a4d05332943248 upstream.
We leak fd on lookup_one_len() failure
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'ipc')
| -rw-r--r-- | ipc/mqueue.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index ee9d69707c0a..d01bc14a9b37 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -706,7 +706,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode, dentry = lookup_one_len(name, ipc_ns->mq_mnt->mnt_root, strlen(name)); if (IS_ERR(dentry)) { error = PTR_ERR(dentry); - goto out_err; + goto out_putfd; } mntget(ipc_ns->mq_mnt); @@ -744,7 +744,6 @@ out: mntput(ipc_ns->mq_mnt); out_putfd: put_unused_fd(fd); -out_err: fd = error; out_upsem: mutex_unlock(&ipc_ns->mq_mnt->mnt_root->d_inode->i_mutex); |