Re: [syzbot] [jfs?] INFO: task hung in __bread_gfp (7)

From: syzbot

Date: Sun Sep 21 2025 - 09:31:04 EST


syzbot has bisected this issue to:

commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d
Author: Ming Lei <ming.lei@xxxxxxxxxx>
Date: Fri Oct 25 00:37:20 2024 +0000

block: model freeze & enter queue as lock for supporting lockdep

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=113248e2580000
start commit: 097a6c336d00 Merge tag 'trace-rv-v6.17-rc5' of git://git.k..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=133248e2580000
console output: https://syzkaller.appspot.com/x/log.txt?x=153248e2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=4d8792ecb6308d0f
dashboard link: https://syzkaller.appspot.com/bug?extid=4b12286339fe4c2700c1
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116310e2580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1430b0e2580000

Reported-by: syzbot+4b12286339fe4c2700c1@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: f1be1788a32e ("block: model freeze & enter queue as lock for supporting lockdep")

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