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(parent: 5123d0b) | patch
btrfs: fix invalid-free in btrfs_extent_same
authorLu Fengqi <lufq.fnst@cn.fujitsu.com>
Tue, 19 Jun 2018 06:54:38 +0000 (14:54 +0800)
committerDavid Sterba <dsterba@suse.com>
Thu, 21 Jun 2018 17:21:13 +0000 (19:21 +0200)
commitf97b7f26c08a28bf224b9f981a026869899ec54c
treed0f75b3ecc879da62260f4c7d6b3aa1372595156tree | snapshot
parent5123d0bfd29e21a29b3f93d0bdc895ead336b356commit | diff
btrfs: fix invalid-free in btrfs_extent_same

If this condition ((BTRFS_I(src)->flags & BTRFS_INODE_NODATASUM) !=
   (BTRFS_I(dst)->flags & BTRFS_INODE_NODATASUM))
is hit, we will go to free the uninitialized cmp.src_pages and
cmp.dst_pages.

Fixes: a5dc1bc0586f ("Btrfs: reuse cmp workspace in EXTENT_SAME ioctl")
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ioctl.c diff | blob | history
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