[syzbot] [fs?] BUG: sleeping function called from invalid context in hook_sb_delete

[syzbot]

syzbot has bisected this issue to:

commit 2ef435a872abc347dc0a92f1c213bb0af3cbf195
Author: Max Kellermann <max.kellermann at ionos.com>
Date:   Wed Sep 17 15:36:31 2025 +0000

    fs: add might_sleep() annotation to iput() and more

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1092ba7c580000
start commit:   7c3ba4249a36 Add linux-next specific files for 20251008
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1292ba7c580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1492ba7c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa7a95b14b1eaa
dashboard link: https://syzkaller.appspot.com/bug?extid=12479ae15958fc3f54ec
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12280dcd980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=111d852f980000

Reported-by: syzbot+12479ae15958fc3f54ec at syzkaller.appspotmail.com
Fixes: 2ef435a872ab ("fs: add might_sleep() annotation to iput() and more")

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