INFO: task jbd2/sda1-8:5159 blocked for more than 143 seconds. Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:24824 pid:5159 tgid:5159 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x1850/0x4c30 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 io_schedule+0x8d/0x110 kernel/sched/core.c:7681 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:247 __wait_on_bit+0xb2/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_buffer include/linux/buffer_head.h:414 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline] jbd2_journal_commit_transaction+0x3d07/0x6650 fs/jbd2/commit.c:883 kjournald2+0x41c/0x7b0 fs/jbd2/journal.c:201 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Showing all locks held in the system: 3 locks held by kworker/1:0/25: 1 lock held by khungtaskd/30: #0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937aa0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744 2 locks held by kworker/1:1/78: 2 locks held by getty/5574: #0: ffff8880313d30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900032fb2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 4 locks held by kworker/1:3/5825: 3 locks held by kworker/0:3/5883: #0: ffff888021abe548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline] #0: ffff888021abe548 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3310 #1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987 #2: ffff8880288a2218 (&dev->power.lock){-...}-{3:3}, at: spin_lock_irq include/linux/spinlock.h:376 [inline] #2: ffff8880288a2218 (&dev->power.lock){-...}-{3:3}, at: rpm_idle+0x5c8/0x930 drivers/base/power/runtime.c:529 2 locks held by kworker/1:5/5886: 2 locks held by syz.5.1090/8432: ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xff6/0x1040 kernel/hung_task.c:397 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 78 Comm: kworker/1:1 Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker RIP: 0010:__list_del_entry_valid_or_report+0x4/0x140 lib/list_debug.c:46 Code: c7 20 66 5f 8c 4c 89 f6 4c 89 e1 e8 f6 6b 36 fc 90 0f 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 57 41 56 41 54 53 49 89 ff 49 bc 00 00 00 00 00 fc ff df 48 83 RSP: 0018:ffffc90000a18958 EFLAGS: 00000046 RAX: ffffffff87a1b3f3 RBX: ffff88804e560408 RCX: ffff88801cf25a00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff88804e560408 RBP: ffffc90000a18c70 R08: ffffffff87a1b363 R09: fffff5200014311c R10: dffffc0000000000 R11: fffff5200014311c R12: 0000000000000000 R13: dffffc0000000000 R14: 1ffff11009cac081 R15: ffff88804e560400 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f90fff8 CR3: 000000000e736000 CR4: 0000000000350ef0 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] dummy_timer+0x6f6/0x4620 drivers/usb/gadget/udc/dummy_hcd.c:1986 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline] RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389 Code: 8c e8 94 b5 6e 0a 65 66 8b 05 74 0f a2 7e 66 85 c0 75 5d bf 01 00 00 00 e8 5d bd 0b 00 e8 28 75 45 00 fb 65 8b 05 38 0f a2 7e <85> c0 75 05 e8 b7 80 a8 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c RSP: 0018:ffffc9000216f600 EFLAGS: 00000286 RAX: 0000000080000000 RBX: 1ffff9200042dec4 RCX: ffffffff817b246a RDX: dffffc0000000000 RSI: ffffffff8c0a9680 RDI: ffffffff8c5f63e0 RBP: ffffc9000216f6b0 R08: ffffffff942b8987 R09: 1ffffffff2857130 R10: dffffc0000000000 R11: fffffbfff2857131 R12: dffffc0000000000 R13: 1ffff9200042dec8 R14: ffffc9000216f640 R15: 0000000000000201 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_decrypt_worker+0xcde/0xd80 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244