linux-kernel - Re: [syzbot] [reiserfs?] KASAN: use-after-free Read in leaf_paste_in

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Date:   Mon, 13 Mar 2023 15:42:19 -0700
From:   syzbot <syzbot+55b82aea13452e3d128f@...kaller.appspotmail.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...nel.org, peterz@...radead.org,
        reiserfs-devel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [reiserfs?] KASAN: use-after-free Read in leaf_paste_in_buffer

syzbot suspects this issue was fixed by commit:

commit 26388a7c353f7b1d3fd8a6df6452fa9773193155
Author: Peter Zijlstra <peterz@...radead.org>
Date:   Thu Jan 12 19:44:03 2023 +0000

    cpuidle,arch: Mark all regular cpuidle_state:: Enter methods __cpuidle

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16fc20aac80000
start commit:   420b2d431d18 Merge tag 'clk-fixes-for-linus' of git://git...
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=6bb1911ff9919df0
dashboard link: https://syzkaller.appspot.com/bug?extid=55b82aea13452e3d128f
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17249347480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14281c1b480000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: cpuidle,arch: Mark all regular cpuidle_state:: Enter methods __cpuidle

For information about bisection process see: https://goo.gl/tpsmEJ#bisection