linux-kernel - Re: [syzbot] general protection fault in __device

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Date:   Fri, 03 Jun 2022 03:02:07 -0700
From:   syzbot <syzbot+dd3c97de244683533381@...kaller.appspotmail.com>
To:     andriy.shevchenko@...ux.intel.com, gregkh@...uxfoundation.org,
        hdanton@...a.com, lenb@...nel.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, rafael.j.wysocki@...el.com,
        rafael@...nel.org, rjw@...ysocki.net,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] general protection fault in __device_attach

syzbot has bisected this issue to:

commit a9c4cf299f5f79d5016c8a9646fa1fc49381a8c1
Author: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Date:   Fri Jun 18 13:41:27 2021 +0000

    ACPI: sysfs: Use __ATTR_RO() and __ATTR_RW() macros

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1040b80df00000
start commit:   d1dc87763f40 assoc_array: Fix BUG_ON during garbage collect
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1240b80df00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1440b80df00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c51cd24814bb5665
dashboard link: https://syzkaller.appspot.com/bug?extid=dd3c97de244683533381
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15613e2bf00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15c90adbf00000

Reported-by: syzbot+dd3c97de244683533381@...kaller.appspotmail.com
Fixes: a9c4cf299f5f ("ACPI: sysfs: Use __ATTR_RO() and __ATTR_RW() macros")

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