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(parent: 7e80846) | patch
btrfs: tree-checker: check item_size for dev_item
authorSu Yue <l@damenly.su>
Fri, 21 Jan 2022 09:33:35 +0000 (17:33 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 2 Mar 2022 10:47:48 +0000 (11:47 +0100)
commitb80fbc20f33489dd810edfc52343e3c0f4b2403a
tree64a1ba20f9507d463b67be3a345a403c22514186tree | snapshot
parent7e80846a99271f8a643404495288d1bac2894c5bcommit | diff
btrfs: tree-checker: check item_size for dev_item

commit ea1d1ca4025ac6c075709f549f9aa036b5b6597d upstream.

Check item size before accessing the device item to avoid out of bound
access, similar to inode_item check.

Signed-off-by: Su Yue <l@damenly.su>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/btrfs/tree-checker.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git