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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| linux-6.1 | INFO: task hung in nsim_create | 1 | 1 | 422d | 422d | 0/3 | auto-obsoleted due to no activity on 2024/08/28 16:48 | |||
| upstream | INFO: task hung in nsim_create (2) net | 1 | 54 | 120d | 357d | 0/29 | auto-obsoleted due to no activity on 2025/06/09 11:02 | |||
| upstream | INFO: task hung in nsim_create net | 1 | 1 | 526d | 526d | 25/29 | fixed on 2024/03/25 23:45 |
INFO: task kworker/u4:0:9 blocked for more than 143 seconds.
Not tainted 5.15.161-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:0 state:D stack:22712 pid: 9 ppid: 2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5030 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
schedule+0x11b/0x1f0 kernel/sched/core.c:6459
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6518
__mutex_lock_common+0xe34/0x25a0 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
nsim_init_netdevsim drivers/net/netdevsim/netdev.c:310 [inline]
nsim_create+0x2ec/0x3e0 drivers/net/netdevsim/netdev.c:365
__nsim_dev_port_add+0x6de/0xb90 drivers/net/netdevsim/dev.c:1312
nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1372 [inline]
nsim_dev_reload_create drivers/net/netdevsim/dev.c:1421 [inline]
nsim_dev_reload_up+0x6c9/0x970 drivers/net/netdevsim/dev.c:910
devlink_reload+0x31a/0x750 net/core/devlink.c:3970
devlink_pernet_pre_exit+0x1ca/0x350 net/core/devlink.c:11543
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/06/17 22:38 | linux-5.15.y | 4878aadf2d15 | 1f11cfd7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in nsim_create |