linux-kernel - Re: [syzbot] [xfs?] KASAN: slab-out-of-bounds Read in xfs

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Date:   Mon, 01 May 2023 21:07:19 -0700
From:   syzbot <syzbot+c103d3808a0de5faaf80@...kaller.appspotmail.com>
To:     david@...morbit.com, dchinner@...hat.com, djwong@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-xfs@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        yebin10@...wei.com
Subject: Re: [syzbot] [xfs?] KASAN: slab-out-of-bounds Read in xfs_getbmap

syzbot has bisected this issue to:

commit 8ee81ed581ff35882b006a5205100db0b57bf070
Author: Ye Bin <yebin10@...wei.com>
Date:   Wed Apr 12 05:49:44 2023 +0000

    xfs: fix BUG_ON in xfs_getbmap()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1235f544280000
start commit:   58390c8ce1bd Merge tag 'iommu-updates-v6.4' of git://git.k..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1135f544280000
console output: https://syzkaller.appspot.com/x/log.txt?x=1635f544280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5eadbf0d3c2ece89
dashboard link: https://syzkaller.appspot.com/bug?extid=c103d3808a0de5faaf80
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12e25f2c280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14945d10280000

Reported-by: syzbot+c103d3808a0de5faaf80@...kaller.appspotmail.com
Fixes: 8ee81ed581ff ("xfs: fix BUG_ON in xfs_getbmap()")

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