linux-kernel - Re: [syzbot] [usb?] KASAN: slab-use-after-free Write in usb_anchor_suspend

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Date:   Sat, 12 Aug 2023 02:51:30 -0700
From:   syzbot <syzbot+d6b0b0ea0781c14b2ecf@...kaller.appspotmail.com>
To:     arnd@...db.de, christian.brauner@...ntu.com,
        gregkh@...uxfoundation.org, hdanton@...a.com,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        mpe@...erman.id.au, oleg@...hat.com,
        syzkaller-bugs@...glegroups.com, web@...kaller.appspotmail.com
Subject: Re: [syzbot] [usb?] KASAN: slab-use-after-free Write in usb_anchor_suspend_wakeups

syzbot has bisected this issue to:

commit 9b4feb630e8e9801603f3cab3a36369e3c1cf88d
Author: Christian Brauner <christian.brauner@...ntu.com>
Date:   Fri May 24 09:31:44 2019 +0000

    arch: wire-up close_range()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1323329ba80000
start commit:   89d77f71f493 Merge tag 'riscv-for-linus-6.4-mw1' of git://..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10a3329ba80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1723329ba80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d963e7536cbe545e
dashboard link: https://syzkaller.appspot.com/bug?extid=d6b0b0ea0781c14b2ecf
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11471b84280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10b98e2c280000

Reported-by: syzbot+d6b0b0ea0781c14b2ecf@...kaller.appspotmail.com
Fixes: 9b4feb630e8e ("arch: wire-up close_range()")

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