INFO: task kworker/1:1:4456 blocked for more than 426 seconds. Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:4456 tgid:4456 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events drain_vmap_area_work Call Trace: [] context_switch kernel/sched/core.c:5357 [inline] [] __schedule+0x1042/0x4106 kernel/sched/core.c:6961 [] __schedule_loop kernel/sched/core.c:7043 [inline] [] schedule+0xc4/0x35e kernel/sched/core.c:7058 [] schedule_timeout+0x1c6/0x2ae kernel/time/sleep_timeout.c:75 [] do_wait_for_common kernel/sched/completion.c:100 [inline] [] __wait_for_common+0x1d2/0x3e8 kernel/sched/completion.c:121 [] wait_for_common kernel/sched/completion.c:132 [inline] [] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:153 [] __flush_work+0x644/0xd4e kernel/workqueue.c:4244 [] flush_work+0x2e/0x38 kernel/workqueue.c:4265 [] __purge_vmap_area_lazy+0xc56/0xfa6 mm/vmalloc.c:2365 [] drain_vmap_area_work+0x30/0x44 mm/vmalloc.c:2390 [] process_one_work+0x96a/0x1f32 kernel/workqueue.c:3236 [] process_scheduled_works kernel/workqueue.c:3319 [inline] [] worker_thread+0x5ce/0xde8 kernel/workqueue.c:3400 [] kthread+0x39c/0x7d4 kernel/kthread.c:463 [] ret_from_fork_kernel+0x2a/0xbb4 arch/riscv/kernel/process.c:214 [] ret_from_fork_kernel_asm+0x16/0x18 arch/riscv/kernel/entry.S:327 Showing all locks held in the system: 1 lock held by kthreadd/2: 5 locks held by kworker/u10:1/31: 6 locks held by kworker/u9:2/35: 4 locks held by kworker/u10:2/36: