syzbot


riscv/fixes boot error: INFO: rcu detected stall in corrupted

Status: upstream: reported on 2023/02/15 00:24
Subsystems: kernel (incorrect?)
Reported-by: syzbot+42670398d6ddb118138f@syzkaller.appspotmail.com
First crash: 39d, last: 39d

Sample crash report:
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

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-qemu2-riscv64 2023/02/11 00:20 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 950b879b7f02 93e26d60 .config console log report riscv/fixes boot error: INFO: rcu detected stall in corrupted
* Struck through repros no longer work on HEAD.