Re: [RESEND PATCH] ext4: fix use-after-free Read in ext4_find_extent for bigalloc + inline

[Theodore Ts'o]

On Thu, 06 Apr 2023 11:16:27 +0000, Tudor Ambarus wrote:
> Syzbot found the following issue:
> loop0: detected capacity change from 0 to 2048
> EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
> ==================================================================
> BUG: KASAN: use-after-free in ext4_ext_binsearch_idx fs/ext4/extents.c:768 [inline]
> BUG: KASAN: use-after-free in ext4_find_extent+0x76e/0xd90 fs/ext4/extents.c:931
> Read of size 4 at addr ffff888073644750 by task syz-executor420/5067
> 
> [...]

Applied, thanks!

[1/1] ext4: fix use-after-free Read in ext4_find_extent for bigalloc + inline
      commit: 835659598c67907b98cd2aa57bb951dfaf675c69

Best regards,
-- 
Theodore Ts'o <tytso@xxxxxxx>