Hello, syzbot found the following issue on: HEAD commit: 8affe37c525d usb: dwc3: gadget: fix high speed multiplier .. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=12742d1a080000 kernel config: https://syzkaller.appspot.com/x/.config?x=ebec88088cc2071 dashboard link: https://syzkaller.appspot.com/bug?extid=8d19062486784d15dda9 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10357da2080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150e832a080000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8d19062486784d15dda9@xxxxxxxxxxxxxxxxxxxxxxxxx __do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fa84b6b7f7a ================================ WARNING: inconsistent lock state 5.19.0-rc4-syzkaller-00118-g8affe37c525d #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor629/1291 [HC0[0]:SC1[1]:HE0:SE0] takes: ffffffff87b82078 (vmap_area_lock){+.?.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] ffffffff87b82078 (vmap_area_lock){+.?.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805 {SOFTIRQ-ON-W} state was registered at: lock_acquire kernel/locking/lockdep.c:5665 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] alloc_vmap_area+0xa49/0x1f00 mm/vmalloc.c:1586 __get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2453 get_vm_area_caller+0x43/0x50 mm/vmalloc.c:2506 __ioremap_caller.constprop.0+0x292/0x600 arch/x86/mm/ioremap.c:280 acpi_os_ioremap include/acpi/acpi_io.h:13 [inline] acpi_map drivers/acpi/osl.c:296 [inline] acpi_os_map_iomem+0x463/0x550 drivers/acpi/osl.c:355 acpi_tb_acquire_table+0xd8/0x209 drivers/acpi/acpica/tbdata.c:142 acpi_tb_validate_table drivers/acpi/acpica/tbdata.c:317 [inline] acpi_tb_validate_table+0x50/0x8c drivers/acpi/acpica/tbdata.c:308 acpi_tb_verify_temp_table+0x84/0x674 drivers/acpi/acpica/tbdata.c:504 acpi_reallocate_root_table+0x374/0x3e0 drivers/acpi/acpica/tbxface.c:180 acpi_early_init+0x13a/0x438 drivers/acpi/bus.c:1200 start_kernel+0x3cf/0x48f init/main.c:1098 secondary_startup_64_no_verify+0xce/0xdb irq event stamp: 283923 hardirqs last enabled at (283922): [<ffffffff85eff66f>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (283922): [<ffffffff85eff66f>] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (283923): [<ffffffff85eff49e>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (283923): [<ffffffff85eff49e>] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (268742): [<ffffffff811657c3>] invoke_softirq kernel/softirq.c:445 [inline] softirqs last enabled at (268742): [<ffffffff811657c3>] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 softirqs last disabled at (283919): [<ffffffff811657c3>] invoke_softirq kernel/softirq.c:445 [inline] softirqs last disabled at (283919): [<ffffffff811657c3>] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(vmap_area_lock); <Interrupt> lock(vmap_area_lock); *** DEADLOCK *** 5 locks held by syz-executor629/1291: #0: ffffc90000178d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:31 [inline] #0: ffffc90000178d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 kernel/time/timer.c:1464 #1: ffff88810fa80230 (&dev->event_lock){-.-.}-{2:2}, at: input_event drivers/input/input.c:456 [inline] #1: ffff88810fa80230 (&dev->event_lock){-.-.}-{2:2}, at: input_event+0x7b/0xb0 drivers/input/input.c:449 #2: ffffffff87a94700 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710 drivers/input/input.c:884 #3: ffffffff87eb1e38 (kbd_event_lock){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] #3: ffffffff87eb1e38 (kbd_event_lock){..-.}-{2:2}, at: kbd_event+0x86/0x1780 drivers/tty/vt/keyboard.c:1537 #4: ffffffff87a94700 (rcu_read_lock){....}-{1:2}, at: show_state_filter+0x0/0x300 kernel/sched/core.c:8763 stack backtrace: CPU: 1 PID: 1291 Comm: syz-executor629 Not tainted 5.19.0-rc4-syzkaller-00118-g8affe37c525d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_usage_bug kernel/locking/lockdep.c:3961 [inline] valid_state kernel/locking/lockdep.c:3973 [inline] mark_lock_irq kernel/locking/lockdep.c:4176 [inline] mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632 mark_lock kernel/locking/lockdep.c:4596 [inline] mark_usage kernel/locking/lockdep.c:4527 [inline] __lock_acquire+0x11e7/0x5660 kernel/locking/lockdep.c:5007 lock_acquire kernel/locking/lockdep.c:5665 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:349 [inline] find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805 check_heap_object mm/usercopy.c:176 [inline] __check_object_size mm/usercopy.c:250 [inline] __check_object_size+0x1f8/0x700 mm/usercopy.c:212 check_object_size include/linux/thread_info.h:199 [inline] __copy_from_user_inatomic include/linux/uaccess.h:62 [inline] copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline] copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31 copy_code arch/x86/kernel/dumpstack.c:91 [inline] show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121 show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149 __show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74 show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292 sched_show_task kernel/sched/core.c:8801 [inline] sched_show_task+0x44c/0x5c0 kernel/sched/core.c:8775 show_state_filter+0x13e/0x300 kernel/sched/core.c:8846 k_spec drivers/tty/vt/keyboard.c:667 [inline] k_spec+0xe1/0x130 drivers/tty/vt/keyboard.c:656 kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline] kbd_event+0xcdd/0x1780 drivers/tty/vt/keyboard.c:1543 input_to_handler+0x3b9/0x4c0 drivers/input/input.c:129 input_pass_values.part.0+0x230/0x710 drivers/input/input.c:156 input_pass_values drivers/input/input.c:426 [inline] input_handle_event+0x67e/0x1440 drivers/input/input.c:426 input_event drivers/input/input.c:457 [inline] input_event+0x8e/0xb0 drivers/input/input.c:449 hidinput_hid_event+0x79d/0x2010 drivers/hid/hid-input.c:1631 hid_process_event+0x491/0x570 drivers/hid/hid-core.c:1527 hid_input_array_field+0x4d7/0x660 drivers/hid/hid-core.c:1639 hid_process_report drivers/hid/hid-core.c:1681 [inline] hid_report_raw_event+0xa8a/0x1280 drivers/hid/hid-core.c:1998 hid_input_report+0x360/0x4c0 drivers/hid/hid-core.c:2065 hid_irq_in+0x50e/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x288/0x9a5 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:finish_task_switch.isra.0+0x24d/0xa10 kernel/sched/core.c:5026 Code: 8b 3a 4c 89 e7 48 c7 02 00 00 00 00 ff d1 4d 85 ff 75 bf 4c 89 e7 e8 62 0d d0 04 e8 9d 6e 2b 00 fb 65 48 8b 1c 25 c0 6e 02 00 <48> 8d bb 98 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffffc90000597b30 EFLAGS: 00000202 RAX: 000000000004550d RBX: ffff888110e5d580 RCX: 1ffffffff11b9ef1 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000597b78 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed103ed26f68 R11: 0000000000000001 R12: ffff8881f6937b40 R13: ffff8881002cd580 R14: ffff88810029a300 R15: 0000000000000002 context_switch kernel/sched/core.c:5149 [inline] __schedule+0x947/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x24e/0x690 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fa84b6b7f7a Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 RSP: 002b:00007ffe8fb1bdb0 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000053a09 RCX: 00007fa84b6b7f7a RDX: 00007ffe8fb1bdf0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000005 R08: 0000000000000158 R09: 00007ffe8fba4080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8fb1be38 R13: 00007ffe8fb1be50 R14: 00007ffe8fb1be90 R15: 0000000000000003 </TASK> Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 RSP: 002b:00007ffe8fb1bdb0 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000053a09 RCX: 00007fa84b6b7f7a RDX: 00007ffe8fb1bdf0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000005 R08: 0000000000000158 R09: 00007ffe8fba4080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8fb1be38 R13: 00007ffe8fb1be50 R14: 00007ffe8fb1be90 R15: 0000000000000003 </TASK> task:kworker/1:2 state:I stack:29984 pid: 1743 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_power_efficient) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/0:0 state:I stack:29672 pid: 1746 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/0:3 state:I stack:29800 pid: 1748 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:udevd state:S stack:28160 pid: 1754 ppid: 1182 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1290/0x1930 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6d14bdee46 RSP: 002b:00007ffe547bfe18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d14bdee46 RDX: 0000000000000004 RSI: 00007ffe547bfe58 RDI: 0000000000000004 RBP: 00005558e52cc540 R08: 0000000000000007 R09: 00005558e52af720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005558e52b95f0 R13: 00007ffe547bfe58 R14: 00000000ffffffff R15: 00005558e5295910 </TASK> task:syz-executor629 state:S stack:28168 pid: 1755 ppid: 1291 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x378/0x530 kernel/sched/completion.c:106 wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion_interruptible+0x1b/0x30 kernel/sched/completion.c:206 raw_process_ep_io+0x5ec/0xb20 drivers/usb/gadget/legacy/raw_gadget.c:1071 raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1099 [inline] raw_ioctl+0x955/0x2780 drivers/usb/gadget/legacy/raw_gadget.c:1271 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fa84b685d37 RSP: 002b:00007ffe8fb1adc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa84b685d37 RDX: 00007ffe8fb1ade0 RSI: 0000000040085507 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000000 R10: 00007fa84b6fb1e0 R11: 0000000000000246 R12: 00007ffe8fb1be38 R13: 00007ffe8fb1be50 R14: 00007ffe8fb1be90 R15: 0000000000000003 </TASK> task:udevd state:S stack:27992 pid: 1756 ppid: 1182 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1290/0x1930 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6d14bdee46 RSP: 002b:00007ffe547bfe18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d14bdee46 RDX: 0000000000000004 RSI: 00007ffe547bfe58 RDI: 0000000000000004 RBP: 00005558e52c6770 R08: 0000000000000007 R09: 00005558e52b9280 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005558e52d52a0 R13: 00007ffe547bfe58 R14: 00000000ffffffff R15: 00005558e5295910 </TASK> task:udevd state:S stack:28440 pid: 1757 ppid: 1182 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1290/0x1930 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6d14bdee46 RSP: 002b:00007ffe547bfe18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d14bdee46 RDX: 0000000000000004 RSI: 00007ffe547bfe58 RDI: 0000000000000004 RBP: 00005558e52ab290 R08: 0000000000000007 R09: 00005558e52af720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005558e52be430 R13: 00007ffe547bfe58 R14: 00000000ffffffff R15: 00005558e5295910 </TASK> task:udevd state:S stack:28328 pid: 1758 ppid: 1182 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1290/0x1930 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6d14bdee46 RSP: 002b:00007ffe547bfe18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6d14bdee46 RDX: 0000000000000004 RSI: 00007ffe547bfe58 RDI: 0000000000000004 RBP: 00005558e52c8e80 R08: 0000000000000007 R09: 00005558e52af720 R10: 00000000ffffffff R11: 0000000000000246 R12: 00005558e52c0e40 R13: 00007ffe547bfe58 R14: 00000000ffffffff R15: 00005558e5295910 </TASK> INFO: lockdep is turned off. task:init state:S stack:22824 pid: 1 ppid: 0 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 freezable_schedule_hrtimeout_range include/linux/freezer.h:250 [inline] do_sigtimedwait+0x48d/0x7b0 kernel/signal.c:3604 __do_sys_rt_sigtimedwait kernel/signal.c:3648 [inline] __se_sys_rt_sigtimedwait kernel/signal.c:3626 [inline] __x64_sys_rt_sigtimedwait+0x1a2/0x2c0 kernel/signal.c:3626 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f2ea7f62ac4 RSP: 002b:00007ffcb0447100 EFLAGS: 00000246 ORIG_RAX: 0000000000000080 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ea7f62ac4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f2ea81ab498 RBP: 00007f2ea81ab490 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffcb0447168 R13: 00007ffcb044715c R14: 0000000000000000 R15: 0000000000000000 </TASK> task:kthreadd state:S stack:28152 pid: 2 ppid: 0 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 kthreadd+0x592/0x750 kernel/kthread.c:733 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:rcu_gp state:I stack:29904 pid: 3 ppid: 2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:rcu_par_gp state:I stack:30920 pid: 4 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:netns state:I stack:30920 pid: 5 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/0:0H state:I stack:29672 pid: 7 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/0:1H state:I stack:27816 pid: 9 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:mm_percpu_wq state:I stack:30920 pid: 10 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:rcu_tasks_kthre state:I stack:28992 pid: 11 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rcu_tasks_kthread+0x462/0xb40 kernel/rcu/tasks.h:520 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/0:1 state:I stack:29408 pid: 12 ppid: 2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:ksoftirqd/0 state:S stack:25200 pid: 13 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:rcu_preempt state:I stack:29528 pid: 14 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rcu_gp_kthread+0x1d4/0x250 kernel/rcu/tree.c:2171 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:migration/0 state:S stack:30376 pid: 15 ppid: 2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:cpuhp/0 state:S stack:27920 pid: 16 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:cpuhp/1 state:S stack:27936 pid: 17 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:migration/1 state:S stack:30536 pid: 18 ppid: 2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:ksoftirqd/1 state:S stack:25488 pid: 19 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/1:0 state:I stack:29592 pid: 20 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/1:0H state:I stack:28952 pid: 21 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kdevtmpfs state:S stack:27808 pid: 22 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 devtmpfs_work_loop drivers/base/devtmpfs.c:415 [inline] devtmpfsd+0x286/0x2a3 drivers/base/devtmpfs.c:448 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:inet_frag_wq state:I stack:30328 pid: 23 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/1:1 state:R running task stack:20672 pid: 24 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kauditd state:S stack:30008 pid: 25 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 freezable_schedule include/linux/freezer.h:172 [inline] kauditd_thread+0x5f8/0xba0 kernel/audit.c:903 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:khungtaskd state:S stack:30576 pid: 26 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 watchdog+0xf9/0xf50 kernel/hung_task.c:373 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:oom_reaper state:S stack:30320 pid: 27 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 freezable_schedule include/linux/freezer.h:172 [inline] oom_reaper+0xa66/0xd90 mm/oom_kill.c:646 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/u4:1 state:I stack:25632 pid: 28 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:writeback state:I stack:30112 pid: 29 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kcompactd0 state:S stack:29864 pid: 30 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 freezable_schedule_timeout include/linux/freezer.h:192 [inline] kcompactd+0xa10/0xeb0 mm/compaction.c:2950 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kblockd state:I stack:30112 pid: 31 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:blkcg_punt_bio state:I stack:30920 pid: 32 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:tpm_dev_wq state:I stack:30632 pid: 33 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:ata_sff state:I stack:30328 pid: 34 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:md state:I stack:30272 pid: 35 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:edac-poller state:I stack:30632 pid: 36 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/1:1H state:I stack:28368 pid: 37 ppid: 2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:rpciod state:I stack:30112 pid: 38 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:xprtiod state:I stack:30920 pid: 39 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:cfg80211 state:I stack:30920 pid: 40 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kswapd0 state:S stack:30336 pid: 65 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 kswapd_try_to_sleep mm/vmscan.c:4382 [inline] kswapd+0xd39/0xf80 mm/vmscan.c:4444 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:nfsiod state:I stack:30328 pid: 67 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/0:2 state:I stack:22480 pid: 71 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:acpi_thermal_pm state:I stack:30328 pid: 102 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:hwrng state:S stack:30048 pid: 149 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935 add_hwgenerator_randomness+0x81/0xe0 drivers/char/random.c:856 hwrng_fillfn+0x278/0x370 drivers/char/hw_random/core.c:529 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:scsi_eh_0 state:S stack:30352 pid: 193 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 scsi_error_handler+0x523/0xe30 drivers/scsi/scsi_error.c:2251 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:scsi_tmf_0 state:I stack:30632 pid: 194 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:target_completi state:I stack:30328 pid: 219 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:target_submissi state:I stack:30632 pid: 220 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:xcopy_wq state:I stack:30328 pid: 221 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:libertastf state:I stack:30632 pid: 289 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:zd1211rw state:I stack:30328 pid: 308 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:u132 state:I stack:30392 pid: 372 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:uas state:I stack:30328 pid: 384 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:usbip_event state:I stack:30328 pid: 677 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:pvrusb2-context state:S stack:30584 pid: 886 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 pvr2_context_thread_func+0x5de/0x850 drivers/media/usb/pvrusb2/pvrusb2-context.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/u4:3 state:I stack:23408 pid: 898 ppid: 2 flags:0x00004000 Workqueue: 0x0 (flush-8:0) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kvub300c state:I stack:30328 pid: 930 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kvub300p state:I stack:30328 pid: 931 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kvub300d state:I stack:30632 pid: 932 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kmemstick state:I stack:30112 pid: 936 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:elousb state:I stack:30920 pid: 945 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:kworker/u4:4 state:I stack:25144 pid: 1030 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_unbound) Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 worker_thread+0x15c/0x1080 kernel/workqueue.c:2457 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:mld state:I stack:30632 pid: 1097 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:ipv6_addrconf state:I stack:30912 pid: 1098 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:jbd2/sda1-8 state:D stack:27344 pid: 1146 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 io_schedule+0xba/0x130 kernel/sched/core.c:8645 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0x60/0x190 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0xd5/0x110 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] __wait_on_buffer+0x7a/0x90 fs/buffer.c:122 wait_on_buffer include/linux/buffer_head.h:355 [inline] jbd2_journal_commit_transaction+0x38e5/0x6aa0 fs/jbd2/commit.c:849 kjournald2+0x1d0/0x930 fs/jbd2/journal.c:213 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:ext4-rsv-conver state:I stack:30632 pid: 1147 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rescuer_thread+0x780/0xcf0 kernel/workqueue.c:2599 kthread+0x2ef/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 </TASK> task:syslogd state:S stack:26424 pid: 1164 ppid: 1 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1911 __skb_wait_for_more_packets+0x35b/0x5e0 net/core/datagram.c:120 __unix_dgram_recvmsg+0x202/0xb90 net/unix/af_unix.c:2403 sock_recvmsg_nosec net/socket.c:995 [inline] sock_recvmsg net/socket.c:1013 [inline] sock_recvmsg net/socket.c:1009 [inline] sock_read_iter+0x337/0x470 net/socket.c:1086 call_read_iter include/linux/fs.h:2052 [inline] new_sync_read+0x4f9/0x5f0 fs/read_write.c:401 vfs_read+0x492/0x5d0 fs/read_write.c:482 ksys_read+0x1e8/0x250 fs/read_write.c:620 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f51280c08fe RSP: 002b:00007fff6ace0658 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f51280c08fe RDX: 00000000000000ff RSI: 0000563be7f15950 RDI: 0000000000000000 RBP: 0000563be7f15910 R08: 00007f5128150040 R09: 00007f51281500c0 R10: 00007f512814ffc0 R11: 0000000000000246 R12: 0000563be7f159f2 R13: 0000563be7f15950 R14: 0000000000000000 R15: 0000000000000000 </TASK> task:acpid state:S stack:24392 pid: 1167 ppid: 1 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5146 [inline] __schedule+0x93f/0x2630 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x11a1/0x16a0 fs/select.c:607 ---------------- Code disassembly (best guess): 0: 8b 3a mov (%rdx),%edi 2: 4c 89 e7 mov %r12,%rdi 5: 48 c7 02 00 00 00 00 movq $0x0,(%rdx) c: ff d1 callq *%rcx e: 4d 85 ff test %r15,%r15 11: 75 bf jne 0xffffffd2 13: 4c 89 e7 mov %r12,%rdi 16: e8 62 0d d0 04 callq 0x4d00d7d 1b: e8 9d 6e 2b 00 callq 0x2b6ebd 20: fb sti 21: 65 48 8b 1c 25 c0 6e mov %gs:0x26ec0,%rbx 28: 02 00 * 2a: 48 8d bb 98 14 00 00 lea 0x1498(%rbx),%rdi <-- trapping instruction 31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 38: fc ff df 3b: 48 89 fa mov %rdi,%rdx 3e: 48 rex.W 3f: c1 .byte 0xc1 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
