Re: [syzbot] [fuse?] KASAN: slab-use-after-free Read in iov_iter_revert

[Miklos Szeredi]

#syz dup: KASAN: null-ptr-deref Read in fuse_copy_do

On Thu, 2 Jan 2025 at 21:51, syzbot
<syzbot+2625ce08c2659fb9961a@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:
>
> Reported-by: syzbot+2625ce08c2659fb9961a@xxxxxxxxxxxxxxxxxxxxxxxxx
> Tested-by: syzbot+2625ce08c2659fb9961a@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> Tested on:
>
> commit:         7a4f5418 fuse: fix direct io folio offset and length c..
> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
> console output: https://syzkaller.appspot.com/x/log.txt?x=129af818580000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a0669984e46cc674
> dashboard link: https://syzkaller.appspot.com/bug?extid=2625ce08c2659fb9961a
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
>
> Note: no patches were applied.
> Note: testing is done by a robot and is best-effort only.