redonkable
/
remarkable-linux
1
0
Fork 0
Code Releases Activity

fcntl: don't leak fd reference when fixup_compat_flock fails 

[ Upstream commit 9280a601e6 ]

Currently we just return err here, but we need to put the fd reference
first.

Fixes: 94073ad77f (fs/locks: don't mess with the address limit in compat_fcntl64)
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Jeff Layton 2017-11-14 14:43:56 -05:00 committed by Greg Kroah-Hartman
parent 0c7e787bfc
commit 6e9c2a05c3
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
fs/fcntl.c
View File

@ -632,9 +632,8 @@ COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
if (err)
break;
err = fixup_compat_flock(&flock);
if (err)
return err;
err = put_compat_flock(&flock, compat_ptr(arg));
if (!err)
err = put_compat_flock(&flock, compat_ptr(arg));
break;
case F_GETLK64:
case F_OFD_GETLK: