[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Tue, 14 Feb 2023 16:24:44 -0800
From: syzbot <syzbot+42670398d6ddb118138f@...kaller.appspotmail.com>
To: aou@...s.berkeley.edu, brauner@...nel.org, bristot@...hat.com,
bsegall@...gle.com, dietmar.eggemann@....com,
juri.lelli@...hat.com, linux-kernel@...r.kernel.org,
linux-riscv@...ts.infradead.org, mgorman@...e.de, mingo@...hat.com,
palmer@...belt.com, paul.walmsley@...ive.com, peterz@...radead.org,
rostedt@...dmis.org, syzkaller-bugs@...glegroups.com,
vincent.guittot@...aro.org, vschneid@...hat.com
Subject: [syzbot] riscv/fixes boot error: INFO: rcu detected stall in corrupted
Hello,
syzbot found the following issue on:
HEAD commit: 950b879b7f02 riscv: Fixup race condition on PG_dcache_clea..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes
console output: https://syzkaller.appspot.com/x/log.txt?x=137aaec0c80000
kernel config: https://syzkaller.appspot.com/x/.config?x=b3cd714c8e9a6e01
dashboard link: https://syzkaller.appspot.com/bug?extid=42670398d6ddb118138f
compiler: riscv64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: riscv64
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+42670398d6ddb118138f@...kaller.appspotmail.com
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...0: (1 GPs behind) idle=36ec/1/0x4000000000000000 softirq=6589/6590 fqs=9960
(detected by 1, t=30504 jiffies, g=14713, q=4 ncpus=2)
Task dump for CPU 0:
task:cmp state:R running task stack:0 pid:2746 ppid:2744 flags:0x00000008
Call Trace:
[<ffffffff834348b8>] context_switch kernel/sched/core.c:5244 [inline]
[<ffffffff834348b8>] __schedule+0x624/0x1254 kernel/sched/core.c:6555
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...0: (1 GPs behind) idle=36ec/1/0x4000000000000000 softirq=6589/6590 fqs=28261
(detected by 1, t=122009 jiffies, g=14713, q=4 ncpus=2)
Task dump for CPU 0:
task:cmp state:R running task stack:0 pid:2746 ppid:2744 flags:0x00000008
Call Trace:
[<ffffffff834348b8>] context_switch kernel/sched/core.c:5244 [inline]
[<ffffffff834348b8>] __schedule+0x624/0x1254 kernel/sched/core.c:6555
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
Powered by blists - more mailing lists