INFO: task kworker/1:4:6278 blocked for more than 143 seconds.
      Tainted: G    B              6.8.0-rc5-syzkaller-g9abbc24128bc #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:6278  tgid:6278  ppid:2      flags:0x00000008
Workqueue: events nsim_fib_flush_work
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x1498/0x24b4 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6817
 schedule_timeout+0xb8/0x348 kernel/time/timer.c:2159
 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:95
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x48/0x60 kernel/sched/completion.c:148
 __flush_work+0x12c/0x1c0 kernel/workqueue.c:3410
 flush_work+0x24/0x38 kernel/workqueue.c:3431
 nsim_fib_flush_work+0x94/0x1ac drivers/net/netdevsim/fib.c:1507
 process_one_work+0x694/0x1204 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x938/0xef4 kernel/workqueue.c:2787
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
INFO: lockdep is turned off.
Kernel panic - not syncing: hung_task: blocked tasks
CPU: 1 PID: 29 Comm: khungtaskd Tainted: G    B              6.8.0-rc5-syzkaller-g9abbc24128bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 panic+0x30c/0x88c kernel/panic.c:344
 check_hung_uninterruptible_tasks kernel/hung_task.c:226 [inline]
 hung_task_panic+0x0/0x2c kernel/hung_task.c:379
 kthread+0x288/0x310 kernel/kthread.c:388
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x0,00000040,e004004a,21017203
Memory Limit: none
Rebooting in 86400 seconds..