linux-kernel - Re: [syzbot] KASAN: slab-out-of-bounds Write in copy_verifier

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Date:   Tue, 20 Dec 2022 12:30:25 -0800
From:   syzbot <syzbot+59af7bf76d795311da8c@...kaller.appspotmail.com>
To:     andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        daniel@...earbox.net, davem@...emloft.net, haoluo@...gle.com,
        hawk@...nel.org, john.fastabend@...il.com, jolsa@...nel.org,
        kpsingh@...nel.org, kuba@...nel.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, martin.lau@...ux.dev, nathan@...nel.org,
        ndesaulniers@...gle.com, netdev@...r.kernel.org, sdf@...gle.com,
        song@...nel.org, syzkaller-bugs@...glegroups.com, trix@...hat.com,
        yhs@...com
Subject: Re: [syzbot] KASAN: slab-out-of-bounds Write in copy_verifier_state

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+59af7bf76d795311da8c@...kaller.appspotmail.com

Tested on:

commit:         041fae9c Merge tag 'f2fs-for-6.2-rc1' of git://git.ker..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=15fc914f880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e2f3d9d232a3cac5
dashboard link: https://syzkaller.appspot.com/bug?extid=59af7bf76d795311da8c
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=10cacf77880000

Note: testing is done by a robot and is best-effort only.