INFO: task kworker/0:13:9149 blocked for more than 143 seconds. Not tainted 6.1.31-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:13 state:D stack:19520 pid:9149 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5241 [inline] __schedule+0x132c/0x4330 kernel/sched/core.c:6554 schedule+0xbf/0x180 kernel/sched/core.c:6630 usb_kill_urb+0x1c5/0x300 drivers/usb/core/urb.c:728 usb_start_wait_urb+0x1ac/0x510 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x2ad/0x4c0 drivers/usb/core/message.c:153 hub_port_init+0xa05/0x2430 drivers/usb/core/hub.c:4827 hub_port_connect drivers/usb/core/hub.c:5284 [inline] hub_port_connect_change drivers/usb/core/hub.c:5499 [inline] port_event drivers/usb/core/hub.c:5655 [inline] hub_event+0x294a/0x57b0 drivers/usb/core/hub.c:5737 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8cf27470 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffffffff8cf27c70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510 1 lock held by khungtaskd/28: #0: ffffffff8cf272a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/3300: #0: ffff88807ef70098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2177 2 locks held by kworker/u4:9/3760: #0: ffff8880b9839dd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:537 #1: ffffc900056afd20 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264 5 locks held by kworker/0:13/9149: #0: ffff8881436f8538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0 #1: ffffc90016d7fd20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2264 #2: ffff888145b2d190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline] #2: ffff888145b2d190 (&dev->mutex){....}-{3:3}, at: hub_event+0x20e/0x57b0 drivers/usb/core/hub.c:5683 #3: ffff888145b414f8 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3105 [inline] #3: ffff888145b414f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5251 [inline] #3: ffff888145b414f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5499 [inline] #3: ffff888145b414f8 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5655 [inline] #3: ffff888145b414f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x3020/0x57b0 drivers/usb/core/hub.c:5737 #4: ffff8881457c6068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5252 [inline] #4: ffff8881457c6068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5499 [inline] #4: ffff8881457c6068 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5655 [inline] #4: ffff8881457c6068 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x3047/0x57b0 drivers/usb/core/hub.c:5737 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.31-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xf18/0xf60 kernel/hung_task.c:377 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3783 Comm: kworker/u4:17 Not tainted 6.1.31-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Workqueue: phy6 ieee80211_iface_work RIP: 0010:__read_once_word_nocheck+0x0/0x10 include/asm-generic/rwonce.h:67 Code: e1 07 38 c1 0f 8c dc fc ff ff 48 89 df e8 58 8c a3 00 48 ba 00 00 00 00 00 fc ff df e9 c5 fc ff ff 66 0f 1f 84 00 00 00 00 00 <48> 8b 07 c3 cc cc cc cc cc cc cc cc cc cc cc cc 31 c0 81 ff 03 00 RSP: 0018:ffffc900055ef158 EFLAGS: 00000287 RAX: ffffc900055ef2a0 RBX: ffffc900055f0000 RCX: 1ffff92000abde54 RDX: 1ffffffff1d993ac RSI: 0000000000000000 RDI: ffffc900055ef298 RBP: 1ffff92000abde56 R08: 0000000000000009 R09: ffffc900055ef2a0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900055ef2a0 R13: ffffc900055ef298 R14: ffffc900055e8000 R15: 1ffff92000abde55 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f97a35895e0 CR3: 000000000cc8e000 CR4: 00000000003506e0 Call Trace: deref_stack_reg arch/x86/kernel/unwind_orc.c:360 [inline] unwind_next_frame+0xd5d/0x2220 arch/x86/kernel/unwind_orc.c:539 __unwind_start+0x59d/0x720 arch/x86/kernel/unwind_orc.c:717 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0xb2/0x230 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] kzalloc include/linux/slab.h:689 [inline] ieee802_11_parse_elems_full+0xc4/0x1380 net/mac80211/util.c:1503 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2245 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2252 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline] ieee80211_ibss_rx_queued_mgmt+0x430/0x2d60 net/mac80211/ibss.c:1638 ieee80211_iface_process_skb net/mac80211/iface.c:1632 [inline] ieee80211_iface_work+0x7aa/0xce0 net/mac80211/iface.c:1686 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306