rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2686 jiffies s: 1353 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5189 Comm: syz-executor.3 Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406 Code: 60 de 59 fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 e1 7d be fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c RSP: 0000:ffffc90003d164d8 EFLAGS: 00000002 RAX: 1ffffffff294b500 RBX: ffffffff94a5a9a0 RCX: 0000000000000000 RDX: 00000000000003fd RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000000 R08: ffffffff853c33b6 R09: 1ffff11003f34046 R10: dffffc0000000000 R11: ffffffff853c3370 R12: dffffc0000000000 R13: 0000000000002703 R14: 00000000000003fd R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9500000(0063) knlGS:00000000575b4400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000032322000 CR3: 000000007e464000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_in drivers/tty/serial/8250/8250.h:117 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline] wait_for_lsr drivers/tty/serial/8250/8250_port.c:2071 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3318 [inline] serial8250_console_write+0x1099/0x1770 drivers/tty/serial/8250/8250_port.c:3396 console_emit_next_record kernel/printk/printk.c:2913 [inline] console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2979 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3048 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2348 _printk+0xd5/0x120 kernel/printk/printk.c:2373 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline] show_trace_log_lvl+0x43a/0x520 arch/x86/kernel/dumpstack.c:285 sched_show_task+0x50c/0x6d0 kernel/sched/core.c:9192 show_state_filter+0x19e/0x270 kernel/sched/core.c:9237 kbd_keycode drivers/tty/vt/keyboard.c:1524 [inline] kbd_event+0x30fa/0x4910 drivers/tty/vt/keyboard.c:1543 input_to_handler drivers/input/input.c:132 [inline] input_pass_values+0x945/0x1200 drivers/input/input.c:161 input_event_dispose+0x402/0x650 drivers/input/input.c:389 input_handle_event+0xa71/0xbe0 drivers/input/input.c:406 input_event+0xa4/0xd0 drivers/input/input.c:435 hidinput_hid_event+0x138b/0x1c90 drivers/hid/hid-input.c:1733 hid_process_event+0x439/0x590 drivers/hid/hid-core.c:1541 hid_input_array_field+0x3fb/0x5c0 drivers/hid/hid-core.c:1653 hid_process_report drivers/hid/hid-core.c:1695 [inline] hid_report_raw_event+0xf51/0x18a0 drivers/hid/hid-core.c:2016 hid_input_report+0x416/0x500 drivers/hid/hid-core.c:2090 hid_irq_in+0x4a0/0x6d0 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x833/0x45f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1844 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2429 run_timer_base kernel/time/timer.c:2438 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2448 __do_softirq+0x2c6/0x980 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0023:0xf7335e33 Code: 00 00 0f 85 4f ff ff ff 0f b6 44 24 1f 8b 4c 24 04 89 7c 24 10 8d 53 04 88 44 24 1e 89 d8 8d 89 0c a0 01 00 89 6c 24 14 89 f5 <89> d6 89 4c 24 08 8b 7c 24 08 89 c1 81 e1 ff 1f 00 00 8b 14 8f 39 RSP: 002b:00000000f75b5a70 EFLAGS: 00000246 RAX: 00000000823530ab RBX: 00000000823530ab RCX: 00000000f7486000 RDX: 00000000823530af RSI: 000000000001cf0d RDI: 0000000082353ab9 RBP: 000000000001cf0d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/R-kafs_ state:I stack:29744 pid:4481 tgid:4481 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3579 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:krxrpcio/7001 state:S stack:27728 pid:4482 tgid:4482 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 rxrpc_io_thread+0x1839/0x3150 net/rxrpc/io_thread.c:562 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:1 state:I stack:25392 pid:4483 tgid:4483 ppid:2 flags:0x00004000 Workqueue: 0x0 (hci0) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:jbd2/sda1-8 state:D stack:24752 pid:4502 tgid:4502 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 io_schedule+0x8d/0x110 kernel/sched/core.c:9044 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xb0/0x2f0 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:389 [inline] jbd2_journal_commit_transaction+0x3545/0x6760 fs/jbd2/commit.c:815 kjournald2+0x463/0x850 fs/jbd2/journal.c:201 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/R-ext4- state:I stack:28848 pid:4503 tgid:4503 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3579 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:syslogd state:S stack:23800 pid:4521 tgid:4521 ppid:1 flags:0x00000002 Call Trace: task:acpid state:S stack:20696 pid:4524 tgid:4524 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_select+0x16bb/0x1900 fs/select.c:607 core_sys_select+0x6f4/0x910 fs/select.c:681 do_pselect fs/select.c:763 [inline] __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6+0x319/0x3f0 fs/select.c:795 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff358a3c591 RSP: 002b:00007fff7c69c620 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff358a3c591 RDX: 0000000000000000 RSI: 00007fff7c69c718 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000562b1d5da178 R14: 0000000000000000 R15: 000000000000000a task:klogd state:S stack:23800 pid:4528 tgid:4528 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 syslog_print+0x2a3/0x9c0 kernel/printk/printk.c:1582 do_syslog+0x3bb/0x810 kernel/printk/printk.c:1734 __do_sys_syslog kernel/printk/printk.c:1826 [inline] __se_sys_syslog kernel/printk/printk.c:1824 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1824 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f56045cafa7 RSP: 002b:00007ffe9b9c8f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f56047694a0 RCX: 00007f56045cafa7 RDX: 00000000000003ff RSI: 00007f56047694a0 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000007 R09: b4d6cf360bc9f1db R10: 0000000000004000 R11: 0000000000000206 R12: 00007f56047694a0 R13: 00007f5604759212 R14: 00007f56047696b5 R15: 00007f56047696b5 task:udevd state:S stack:23824 pid:4539 tgid:4539 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2312 ep_poll fs/eventpoll.c:2026 [inline] do_epoll_wait+0x1cb6/0x1f70 fs/eventpoll.c:2428 __do_sys_epoll_wait fs/eventpoll.c:2440 [inline] __se_sys_epoll_wait fs/eventpoll.c:2435 [inline] __x64_sys_epoll_wait+0x257/0x2a0 fs/eventpoll.c:2435 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1557123457 RSP: 002b:00007fff6151f4d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007fff6151f5d8 RCX: 00007f1557123457 RDX: 0000000000000008 RSI: 00007fff6151f5d8 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000000000007 R09: eac33909e12749bf R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000bb8 R13: 0000000200000001 R14: 0000000000000000 R15: 0000000000000000 task:dbus-daemon state:S stack:26840 pid:4737 tgid:4737 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:2026 [inline] do_epoll_wait+0x1cb6/0x1f70 fs/eventpoll.c:2428 __do_sys_epoll_wait fs/eventpoll.c:2440 [inline] __se_sys_epoll_wait fs/eventpoll.c:2435 [inline] __x64_sys_epoll_wait+0x257/0x2a0 fs/eventpoll.c:2435 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f92c15ae457 RSP: 002b:00007ffe48a1fbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007ffe48a1fbc8 RCX: 00007f92c15ae457 RDX: 0000000000000040 RSI: 00007ffe48a1fbc8 RDI: 0000000000000003 RBP: 00007ffe48a1ff58 R08: 0000000000000010 R09: 00007f92c17230b0 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffe48a1ff58 R15: 00007ffe48a20268 task:dhcpcd state:S stack:23696 pid:4752 tgid:4752 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2312 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 00007ffd9bf94510 RSI: 0000000000000004 RDI: 000055d8666bfb60 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 00007f35a763c0b0 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 00007ffd9bf94538 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:20696 pid:4753 tgid:4753 ppid:4752 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 000055d8666b4e00 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 00007ffd9bf741f0 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:25424 pid:4754 tgid:4754 ppid:4752 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000055d8666bdf20 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 000055d8328493d0 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:25424 pid:4755 tgid:4755 ppid:4752 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000055d8666bdf20 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 000055d8328493d0 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:sshd state:S stack:25624 pid:4840 tgid:4840 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5841b19ad5 RSP: 002b:00007ffffd580b20 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000056268a19e440 RCX: 00007f5841b19ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000056268a1a3e20 RBP: 0000000000000064 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffffd580cd8 R11: 0000000000000246 R12: 000056268a1a3e20 R13: 00007ffffd580cd8 R14: 0000000000000002 R15: 000056268a19f49c task:getty state:S stack:20696 pid:4845 tgid:4845 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2558 wait_woken+0xc1/0x190 kernel/sched/wait.c:423 n_tty_read+0x114e/0x1e10 drivers/tty/n_tty.c:2267 iterate_tty_read drivers/tty/tty_io.c:862 [inline] tty_read+0x25e/0x690 drivers/tty/tty_io.c:937 call_read_iter include/linux/fs.h:2104 [inline] new_sync_read fs/read_write.c:395 [inline] vfs_read+0x97b/0xb70 fs/read_write.c:476 ksys_read+0x1a0/0x2c0 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8222febb6a RSP: 002b:00007fff7191ff38 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00005608caaa5910 RCX: 00007f8222febb6a RDX: 0000000000000001 RSI: 00007fff7191ff50 RDI: 0000000000000000 RBP: 00005608caaa5970 R08: 0000000000000000 R09: e82949293d6d0261 R10: 0000000000000010 R11: 0000000000000246 R12: 00005608caaa59ac R13: 00007fff7191ff50 R14: 0000000000000000 R15: 00005608caaa59ac task:dhcpcd state:S stack:25168 pid:4886 tgid:4886 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:25424 pid:4887 tgid:4887 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:25232 pid:4902 tgid:4902 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:25424 pid:4903 tgid:4903 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:25424 pid:4909 tgid:4909 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:25424 pid:4910 tgid:4910 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:24656 pid:4912 tgid:4912 ppid:4753 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2296 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f35a7553ad5 RSP: 002b:00007ffd9bf944f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055d8666b4e20 RCX: 00007f35a7553ad5 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055d8666ca290 RBP: 00007ffd9bf94840 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffd9bf94840 R11: 0000000000000246 R12: 0000000000000000 R13: 000055d832849610 R14: 0000000000000000 R15: 0000000000000000 task:sshd state:S stack:23800 pid:5077 tgid:5077 ppid:4840 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2312 poll_schedule_timeout fs/select.c:244 [inline] do_poll fs/select.c:965 [inline] do_sys_poll+0xe40/0x1330 fs/select.c:1016 __do_sys_ppoll fs/select.c:1122 [inline] __se_sys_ppoll+0x2a0/0x330 fs/select.c:1102 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9932f19ad5 RSP: 002b:00007ffecca725a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f9932f19ad5 RDX: 00007ffecca725c0 RSI: 0000000000000004 RDI: 000056187199fab0 RBP: 000056187199e570 R08: 0000000000000008 R09: 0000000000000000 R10: 00007ffecca726a8 R11: 0000000000000246 R12: 00005618480c1aa4 R13: 0000000000000001 R14: 00005618480c23e8 R15: 00007ffecca72628 task:syz-fuzzer state:S stack:22008 pid:5079 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 do_wait+0x2a5/0x560 kernel/exit.c:1636 kernel_waitid kernel/exit.c:1714 [inline] __do_sys_waitid kernel/exit.c:1727 [inline] __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1722 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c000f7cd08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e RDX: 000000c000f7ce18 RSI: 00000000000013e4 RDI: 0000000000000001 RBP: 000000c000f7cd48 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c000f7ce60 R13: 00000000025183c0 R14: 000000c000689860 R15: 0000000000000085 task:syz-fuzzer state:S stack:24184 pid:5080 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x472d43 RSP: 002b:000000c000069e80 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472d43 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002518cc0 RBP: 000000c000069ec8 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c000069eb8 R11: 0000000000000202 R12: 000000c000069eb8 R13: 000000c000f7ec00 R14: 000000c0000064e0 R15: 0000000000000007 task:syz-fuzzer state:S stack:26576 pid:5081 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x472d43 RSP: 002b:000000c000f7aed0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472d43 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002557680 RBP: 000000c000f7af18 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046f000 R13: 000000c000f7e400 R14: 000000c000526b60 R15: 0000000000000009 task:syz-fuzzer state:D stack:24184 pid:5082 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 io_schedule+0x8d/0x110 kernel/sched/core.c:9044 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x121/0xe60 fs/jbd2/transaction.c:1111 jbd2_journal_get_write_access+0x20c/0x260 fs/jbd2/transaction.c:1260 __ext4_journal_get_write_access+0x1e5/0x6a0 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x271/0x360 fs/ext4/inode.c:5731 __ext4_mark_inode_dirty+0x1ec/0x880 fs/ext4/inode.c:5905 ext4_dirty_inode+0xce/0x110 fs/ext4/inode.c:5942 __mark_inode_dirty+0x325/0xe20 fs/fs-writeback.c:2477 generic_update_time fs/inode.c:1907 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x42c/0x670 fs/inode.c:1992 file_accessed include/linux/fs.h:2459 [inline] iterate_dir+0x5df/0x6f0 fs/readdir.c:113 __do_sys_getdents64 fs/readdir.c:409 [inline] __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:394 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c0006cf7f0 EFLAGS: 00000212 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 000000000040720e RDX: 0000000000002000 RSI: 000000c000230000 RDI: 0000000000000016 RBP: 000000c0006cf830 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 000000c0006cf970 R13: 0000000000000000 R14: 000000c000527d40 R15: 0000000000000000 task:syz-fuzzer state:S stack:25848 pid:5083 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x472d43 RSP: 002b:000000c000083e58 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472d43 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000382d48 RBP: 000000c000083ea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000444800 R13: 000000c000f7a7a4 R14: 000000c000526680 R15: 0000000000000019 task:syz-fuzzer state:S stack:28944 pid:5084 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x472d43 RSP: 002b:000000c0006b7ef0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472d43 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000025574f8 RBP: 000000c0006b7f38 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046f000 R13: 000000c000f7e000 R14: 000000c0005269c0 R15: 0000000000000003 task:syz-fuzzer state:S stack:26008 pid:5085 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 do_wait+0x2a5/0x560 kernel/exit.c:1636 kernel_waitid kernel/exit.c:1714 [inline] __do_sys_waitid kernel/exit.c:1727 [inline] __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1722 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c000f79d08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e RDX: 000000c000f79e18 RSI: 00000000000013e5 RDI: 0000000000000001 RBP: 000000c000f79d48 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000001000004 R11: 0000000000000202 R12: 000000c000f79e60 R13: 000000c0006cb9bc R14: 000000c000689520 R15: 0000000000000000 task:syz-fuzzer state:D stack:25080 pid:5087 tgid:5079 ppid:5077 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 io_schedule+0x8d/0x110 kernel/sched/core.c:9044 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x121/0xe60 fs/jbd2/transaction.c:1111 jbd2_journal_get_write_access+0x20c/0x260 fs/jbd2/transaction.c:1260 __ext4_journal_get_write_access+0x1e5/0x6a0 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x271/0x360 fs/ext4/inode.c:5731 __ext4_mark_inode_dirty+0x1ec/0x880 fs/ext4/inode.c:5905 ext4_dirty_inode+0xce/0x110 fs/ext4/inode.c:5942 __mark_inode_dirty+0x325/0xe20 fs/fs-writeback.c:2477 generic_update_time fs/inode.c:1907 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x42c/0x670 fs/inode.c:1992 file_accessed include/linux/fs.h:2459 [inline] iterate_dir+0x5df/0x6f0 fs/readdir.c:113 __do_sys_getdents64 fs/readdir.c:409 [inline] __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:394 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c0006c97f0 EFLAGS: 00000212 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000000000000015 RCX: 000000000040720e RDX: 0000000000002000 RSI: 000000c000224000 RDI: 0000000000000015 RBP: 000000c0006c9830 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 000000c0006c9970 R13: 0000000000000000 R14: 000000c000688b60 R15: 0000000000000000 task:syz-fuzzer state:S stack:25080 pid:5097 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2312 ep_poll fs/eventpoll.c:2026 [inline] do_epoll_wait+0x1cb6/0x1f70 fs/eventpoll.c:2428 do_epoll_pwait+0x56/0x1e0 fs/eventpoll.c:2462 __do_sys_epoll_pwait fs/eventpoll.c:2475 [inline] __se_sys_epoll_pwait fs/eventpoll.c:2469 [inline] __x64_sys_epoll_pwait+0x2b8/0x310 fs/eventpoll.c:2469 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c00092b748 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000040720e RDX: 0000000000000080 RSI: 000000c00092b818 RDI: 0000000000000004 RBP: 000000c00092b790 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000011d R11: 0000000000000246 R12: 000000c00092b820 R13: 0000000000000001 R14: 000000c00012c820 R15: 000000c0009079d0 task:syz-fuzzer state:S stack:22168 pid:5098 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 futex_wait_queue+0x14e/0x1d0 kernel/futex/waitwake.c:370 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669 futex_wait+0x101/0x360 kernel/futex/waitwake.c:697 do_futex+0x33b/0x560 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x472d43 RSP: 002b:000000c000927ed0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472d43 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000f7ed48 RBP: 000000c000927f18 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000445f60 R13: 0000000000000008 R14: 000000c00012cb60 R15: 0000000000000008 task:syz-fuzzer state:D stack:22168 pid:5119 tgid:5079 ppid:5077 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 io_schedule+0x8d/0x110 kernel/sched/core.c:9044 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_bit_io include/linux/wait_bit.h:101 [inline] do_get_write_access+0x121/0xe60 fs/jbd2/transaction.c:1111 jbd2_journal_get_write_access+0x20c/0x260 fs/jbd2/transaction.c:1260 __ext4_journal_get_write_access+0x1e5/0x6a0 fs/ext4/ext4_jbd2.c:239 ext4_reserve_inode_write+0x271/0x360 fs/ext4/inode.c:5731 __ext4_mark_inode_dirty+0x1ec/0x880 fs/ext4/inode.c:5905 ext4_dirty_inode+0xce/0x110 fs/ext4/inode.c:5942 __mark_inode_dirty+0x325/0xe20 fs/fs-writeback.c:2477 generic_update_time fs/inode.c:1907 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x42c/0x670 fs/inode.c:1992 file_accessed include/linux/fs.h:2459 [inline] iterate_dir+0x5df/0x6f0 fs/readdir.c:113 __do_sys_getdents64 fs/readdir.c:409 [inline] __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:394 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c0009057f0 EFLAGS: 00000212 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 000000000040720e RDX: 0000000000002000 RSI: 000000c000220000 RDI: 0000000000000013 RBP: 000000c000905830 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 000000c000905970 R13: 0000000000000000 R14: 000000c00012c4e0 R15: 0000000000000000 task:syz-fuzzer state:S stack:21808 pid:5166 tgid:5079 ppid:5077 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2312 ep_poll fs/eventpoll.c:2026 [inline] do_epoll_wait+0x1cb6/0x1f70 fs/eventpoll.c:2428 do_epoll_pwait+0x56/0x1e0 fs/eventpoll.c:2462 __do_sys_epoll_pwait fs/eventpoll.c:2475 [inline] __se_sys_epoll_pwait fs/eventpoll.c:2469 [inline] __x64_sys_epoll_pwait+0x2b8/0x310 fs/eventpoll.c:2469 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x40720e RSP: 002b:000000c000995748 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000040720e RDX: 0000000000000080 RSI: 000000c000995818 RDI: 0000000000000004 RBP: 000000c000995790 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000292 R11: 0000000000000246 R12: 000000c000995820 R13: ffffffffffffffff R14: 000000c000a084e0 R15: 0000000000000000 task:syz-executor.2 state:D stack:24632 pid:5093 tgid:5093 ppid:5087 flags:0x20004006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 hci_disconn_cfm include/net/bluetooth/hci_core.h:2025 [inline] hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2568 hci_dev_close_sync+0x9ab/0x1050 net/bluetooth/hci_sync.c:5159 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline] hci_unregister_dev+0x1e3/0x4e0 net/bluetooth/hci_core.c:2773 vhci_release+0x83/0xd0 drivers/bluetooth/hci_vhci.c:674 __fput+0x429/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa1b/0x27e0 kernel/exit.c:878 do_group_exit+0x207/0x2c0 kernel/exit.c:1027 get_signal+0x16a1/0x1740 kernel/signal.c:2911 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 __do_fast_syscall_32+0xc8/0x120 arch/x86/entry/common.c:389 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7265579 RSP: 002b:00000000ffedfb40 EFLAGS: 00000206 ORIG_RAX: 0000000000000072 RAX: fffffffffffffe00 RBX: 00000000ffffffff RCX: 00000000ffedfc0c RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000ffedfc0c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 task:kworker/u9:2 state:I stack:24392 pid:5100 tgid:5100 ppid:2 flags:0x00004000 Workqueue: 0x0 (hci2) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:3 state:I stack:26032 pid:5102 tgid:5102 ppid:2 flags:0x00004000 Workqueue: 0x0 (hci2) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:4 state:I stack:26520 pid:5103 tgid:5103 ppid:2 flags:0x00004000 Workqueue: 0x0 (hci2) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:5 state:I stack:25816 pid:5106 tgid:5106 ppid:2 flags:0x00004000 Workqueue: 0x0 (hci0) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:6 state:I stack:25160 pid:5107 tgid:5107 ppid:2 flags:0x00004000 Workqueue: 0x0 (hci4) Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/0:3 state:D stack:24024 pid:5108 tgid:5108 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2558 ___down_common kernel/locking/semaphore.c:225 [inline] __down_common+0x343/0x7f0 kernel/locking/semaphore.c:246 down+0x84/0xc0 kernel/locking/semaphore.c:63 hid_device_remove+0x32/0x370 drivers/hid/hid-core.c:2683 device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x4a9/0x7c0 drivers/base/dd.c:1293 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x57a/0x9e0 drivers/base/core.c:3909 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x68/0x100 drivers/hid/hid-core.c:2887 usbhid_disconnect+0x9e/0xc0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x25e/0x940 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1293 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x57a/0x9e0 drivers/base/core.c:3909 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1eb9/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:7 state:I stack:28432 pid:5109 tgid:5109 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3444 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 task:kworker/u9:8 state:D stack:23344 pid:5111 tgid:5111 ppid:2 flags:0x00004000 Workqueue: hci4 hci_error_reset Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline] synchronize_rcu_expedited+0x703/0x820 kernel/rcu/tree_exp.h:939