syzbot has bisected this issue to:
commit a9c4cf299f5f79d5016c8a9646fa1fc49381a8c1
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: a9c4cf299f5f ("ACPI: sysfs: Use __ATTR_RO() and __ATTR_RW() macros")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
