projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 8cf96b4) | patch
btrfs: free btrfs_path before copying subvol info to userspace
authorAnand Jain <anand.jain@oracle.com>
Thu, 10 Nov 2022 06:06:31 +0000 (11:36 +0530)
committerDavid Sterba <dsterba@suse.com>
Tue, 15 Nov 2022 16:15:45 +0000 (17:15 +0100)
commit013c1c5585ebcfb19c88efe79063d0463b1b6159
treef81b0402626db34d21447d0a9af56e6d281f3fe7tree | snapshot
parent8cf96b409d9b3946ece58ced13f92d0f775b0442commit | diff
btrfs: free btrfs_path before copying subvol info to userspace

btrfs_ioctl_get_subvol_info() frees the search path after the userspace
copy from the temp buffer @subvol_info. This can lead to a lock splat
warning.

Fix this by freeing the path before we copy it to userspace.

CC: stable@vger.kernel.org # 4.19+
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ioctl.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git