Re: [syzbot] [btrfs?] kernel BUG in __folio_start_writeback

syzbot
2025-01-23T05:06:02Z

syzbot suspects this issue was fixed by commit:

commit 66951e4860d3c688bfa550ea4a19635b57e00eca
Author: Peter Zijlstra <peterz@infradead.org>
Date: Mon Jan 13 12:50:11 2025 +0000

sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11c129f8580000
start commit: 228a1157fb9f Merge tag '6.13-rc-part1-SMB3-client-fixes' o..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=402159daa216c89d
dashboard link: https://syzkaller.appspot.com/bug?extid=aac7bff85be224de5156
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13840778580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17840778580000

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

#syz fix: sched/fair: Fix update_cfs_group() vs DELAY_DEQUEUE

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