INFO: rcu detected stall in sendmsg (3)

Status: auto-obsoleted due to no activity on 2024/05/05 18:15
Subsystems: net
[Documentation on labels]
First crash: 1002d, last: 918d
▶ ▼ Similar bugs (10)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: rcu detected stall in sendmsg (5) 1 syz, C 47 7d01h 415d 0/3 upstream: reported C repro on 2025/06/23 07:43
linux-6.1 INFO: rcu detected stall in sendmsg (3) 1 4 679d 746d 0/3 auto-obsoleted due to no activity on 2025/01/09 18:13
upstream INFO: rcu detected stall in sendmsg net 1 1 1771d 1771d 0/29 auto-closed as invalid on 2022/01/03 17:11
linux-6.6 INFO: rcu detected stall in sendmsg 1 13 42d 376d 0/2 upstream: reported on 2025/07/31 17:16
linux-6.1 INFO: rcu detected stall in sendmsg (4) 1 2 519d 530d 0/3 auto-obsoleted due to no activity on 2025/06/19 03:57
linux-6.1 INFO: rcu detected stall in sendmsg (2) 1 1 869d 869d 0/3 auto-obsoleted due to no activity on 2024/07/04 03:49
upstream INFO: rcu detected stall in sendmsg (2) batman 1 1 1641d 1641d 0/29 auto-closed as invalid on 2022/05/13 12:25
upstream INFO: rcu detected stall in sendmsg (4) prio:high mm 1 syz, C error error 65 36d 810d 0/29 upstream: reported C repro on 2024/05/24 06:18
linux-5.15 INFO: rcu detected stall in sys_sendmsg origin:upstream 1 syz, C error 67 4d10h 875d 0/3 upstream: reported C repro on 2024/03/19 21:37
linux-6.1 INFO: rcu detected stall in sendmsg 1 1 1103d 1103d 0/3 auto-obsoleted due to no activity on 2023/11/12 19:28

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2675 jiffies s: 16169 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 16516 Comm: udevd Not tainted 6.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:410
Code: c0 b8 70 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 71 86 cf 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: 0018:ffffc90000006578 EFLAGS: 00000002
RAX: 1ffffffff28eee00 RBX: ffffffff94777720 RCX: 0000000000000000
RDX: 00000000000003fd RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff8522ad66 R09: 1ffff11003f18046
R10: dffffc0000000000 R11: ffffffff8522ad20 R12: dffffc0000000000
R13: 0000000000002701 R14: 00000000000003fd R15: dffffc0000000000
FS:  00007f959c940c80(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00f185000 CR3: 000000001fff0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 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:2081 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3366 [inline]
 serial8250_console_write+0x110d/0x1840 drivers/tty/serial/8250/8250_port.c:3444
 console_emit_next_record kernel/printk/printk.c:2901 [inline]
 console_flush_all+0x808/0xec0 kernel/printk/printk.c:2967
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3036
 vprintk_emit+0x508/0x720 kernel/printk/printk.c:2303
 _printk+0xd5/0x120 kernel/printk/printk.c:2328
 printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
 show_trace_log_lvl+0x438/0x520 arch/x86/kernel/dumpstack.c:285
 sched_show_task+0x50c/0x6d0 kernel/sched/core.c:9171
 show_state_filter+0x19e/0x270 kernel/sched/core.c:9216
 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:1731
 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+0xf4f/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:1650
 dummy_timer+0x8aa/0x3220 drivers/usb/gadget/udc/dummy_hcd.c:1987
 call_timer_fn+0x17e/0x600 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x621/0x830 kernel/time/timer.c:2038
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2051
 __do_softirq+0x2bb/0x942 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu+0xf1/0x1c0 kernel/softirq.c:632
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x97/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__kernel_text_address+0x12/0x40 kernel/extable.c:79
Code: eb b5 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 53 48 89 fb e8 43 00 00 00 85 c0 0f 95 c0 <48> c7 c1 00 20 d5 90 48 39 cb 0f 93 c1 48 c7 c2 0f 71 ed 90 48 39
RSP: 0018:ffffc900109673e8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff892b6205 RCX: ffff88807b968000
RDX: ffff88807b968000 RSI: 0000000000000001 RDI: ffffffff892b6205
RBP: 0000000000000001 R08: ffffffff81404bc7 R09: ffffffff814066c0
R10: 0000000000000003 R11: ffff88807b968000 R12: ffff88807b968000
R13: ffffffff81803e70 R14: dffffc0000000000 R15: 1ffff9200212ce8d
 unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369
 arch_stack_walk+0x124/0x1b0 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x117/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x4e/0x60 mm/kasan/generic.c:640
 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:241
 __kasan_slab_free+0x34/0x70 mm/kasan/common.c:257
 kasan_slab_free include/linux/kasan.h:184 [inline]
 slab_free_hook mm/slub.c:2121 [inline]
 slab_free mm/slub.c:4299 [inline]
 kmem_cache_free+0x102/0x2a0 mm/slub.c:4363
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x7f4/0x980 net/netlink/af_netlink.c:1367
 netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f959c524a4b
Code: ff 89 ef 48 89 04 24 e8 22 56 f9 ff 48 8b 04 24 48 83 c4 20 5d c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6d 48 8b 15 ae c3 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007fffd9404b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000055acfd980b20 RCX: 00007f959c524a4b
RDX: 0000000000000000 RSI: 00007fffd9404b88 RDI: 000000000000000c
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000000b3 R14: 0000000000000000 R15: 000055acfd8ff910
 </TASK>
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-krxrp state:I stack:29744 pid:2732  tgid:2732  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-kkcmd state:I stack:28848 pid:2736  tgid:2736  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-kstrp state:I stack:28848 pid:2737  tgid:2737  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-krdsd state:I stack:29624 pid:2738  tgid:2738  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-rds_m state:I stack:29744 pid:2739  tgid:2739  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-ceph- state:I stack:28848 pid:2748  tgid:2748  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-bat_e state:I stack:28016 pid:2749  tgid:2749  ppid:2      flags:0x00004000
Workqueue:  0x0 (bat_events)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/u4:11   state:I stack:24728 pid:2873  tgid:2873  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 worker_thread+0xc26/0x1000 kernel/workqueue.c:2802
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/u4:12   state:I stack:23888 pid:2883  tgid:2883  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 worker_thread+0xc26/0x1000 kernel/workqueue.c:2802
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/u4:13   state:I stack:23664 pid:2896  tgid:2896  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 worker_thread+0xc26/0x1000 kernel/workqueue.c:2802
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/u4:14   state:I stack:23128 pid:2926  tgid:2926  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 worker_thread+0xc26/0x1000 kernel/workqueue.c:2802
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-zswap state:I stack:28848 pid:4453  tgid:4453  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-kafsd state:I stack:29744 pid:4454  tgid:4454  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-kafs_ state:I stack:29744 pid:4455  tgid:4455  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:krxrpcio/7001   state:S stack:28712 pid:4456  tgid:4456  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rxrpc_io_thread+0x1622/0x2fd0 net/rxrpc/io_thread.c:551
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/u5:1    state:I stack:26040 pid:4457  tgid:4457  ppid:2      flags:0x00004000
Workqueue:  0x0 (hci4)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 worker_thread+0xc26/0x1000 kernel/workqueue.c:2802
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:jbd2/sda1-8     state:S stack:23792 pid:4477  tgid:4477  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 kjournald2+0x4c5/0x850 fs/jbd2/journal.c:237
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:kworker/R-ext4- state:I stack:29744 pid:4478  tgid:4478  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 rescuer_thread+0xc45/0xda0 kernel/workqueue.c:2937
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:syslogd         state:S stack:23800 pid:4496  tgid:4496  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 __skb_wait_for_more_packets+0x398/0x600 net/core/datagram.c:121
 __unix_dgram_recvmsg+0x355/0x12c0 net/unix/af_unix.c:2394
 sock_recvmsg_nosec net/socket.c:1046 [inline]
 sock_recvmsg+0x22f/0x280 net/socket.c:1068
 sock_read_iter+0x2ca/0x3e0 net/socket.c:1138
 call_read_iter include/linux/fs.h:2079 [inline]
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x978/0xb70 fs/read_write.c:476
 ksys_read+0x1a0/0x2c0 fs/read_write.c:619
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f6ce15dab6a
RSP: 002b:00007fffb95d88d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6ce15dab6a
RDX: 00000000000000ff RSI: 0000562440049950 RDI: 0000000000000000
RBP: 0000562440049910 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f6ce17793a3 R11: 0000000000000246 R12: 00005624400499a3
R13: 0000562440049950 R14: 0000000000000000 R15: 00007f6ce17b7a80
 </TASK>
task:acpid           state:S stack:20952 pid:4499  tgid:4499  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_select+0x16ba/0x1900 fs/select.c:607
 core_sys_select+0x6f3/0x910 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_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f3a19090591
RSP: 002b:00007ffea8409110 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a19090591
RDX: 0000000000000000 RSI: 00007ffea8409208 RDI: 000000000000000b
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000557cc288e178 R14: 0000000000000000 R15: 000000000000000a
 </TASK>
task:klogd           state:S stack:23800 pid:4503  tgid:4503  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 syslog_print+0x2a3/0x9c0 kernel/printk/printk.c:1576
 do_syslog+0x509/0x890 kernel/printk/printk.c:1728
 __do_sys_syslog kernel/printk/printk.c:1820 [inline]
 __se_sys_syslog kernel/printk/printk.c:1818 [inline]
 __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1818
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f391cb1afa7
RSP: 002b:00007ffd9c9daf78 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f391ccb94a0 RCX: 00007f391cb1afa7
RDX: 00000000000003ff RSI: 00007f391ccb94a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: bc550bd94cc63ef1
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f391ccb94a0
R13: 00007f391cca9212 R14: 00007f391ccb95cc R15: 00007f391ccb95cc
 </TASK>
task:udevd           state:S stack:22232 pid:4514  tgid:4514  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x2a8/0x480 kernel/time/hrtimer.c:2308
 ep_poll fs/eventpoll.c:1920 [inline]
 do_epoll_wait+0x1bb3/0x1e10 fs/eventpoll.c:2317
 __do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
 __x64_sys_epoll_wait+0x257/0x2a0 fs/eventpoll.c:2324
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f959c523457
RSP: 002b:00007fffd9404de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00007fffd9404ee8 RCX: 00007f959c523457
RDX: 0000000000000008 RSI: 00007fffd9404ee8 RDI: 000000000000000b
RBP: 000055acfd9638f0 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000bb8
R13: 0000000200000001 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dbus-daemon     state:S stack:26968 pid:4712  tgid:4712  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 ep_poll fs/eventpoll.c:1920 [inline]
 do_epoll_wait+0x1bb3/0x1e10 fs/eventpoll.c:2317
 __do_sys_epoll_wait fs/eventpoll.c:2329 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2324 [inline]
 __x64_sys_epoll_wait+0x257/0x2a0 fs/eventpoll.c:2324
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f483de69457
RSP: 002b:00007fff588bd788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00007fff588bd798 RCX: 00007f483de69457
RDX: 0000000000000040 RSI: 00007fff588bd798 RDI: 0000000000000003
RBP: 00007fff588bdb28 R08: 0000000000000010 R09: 00007fff589240b0
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fff588bdb28 R15: 00007fff588bde38
 </TASK>
task:dhcpcd          state:S stack:23664 pid:4727  tgid:4727  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x2a8/0x480 kernel/time/hrtimer.c:2308
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 00007fffc315a990 RSI: 0000000000000004 RDI: 0000560fe5be2b60
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 00007fffc318e0b0
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 00007fffc315a9b8
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:20952 pid:4728  tgid:4728  ppid:4727   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000560fe5bd7e00
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 00007fffc313a670
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4729  tgid:4729  ppid:4727   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000560fe5be0f20
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000560fe550d3d0
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000003 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4730  tgid:4730  ppid:4727   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000560fe5be0f20
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000560fe550d3d0
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:kworker/0:3     state:I stack:23144 pid:4805  tgid:4805  ppid:2      flags:0x00004000
Workqueue:  0x0 (events)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 worker_thread+0xc26/0x1000 kernel/workqueue.c:2802
 kthread+0x2ef/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242
 </TASK>
task:sshd            state:S stack:25808 pid:4815  tgid:4815  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fc9bfcf2ad5
RSP: 002b:00007ffee4120bd0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055b5b6ad1440 RCX: 00007fc9bfcf2ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055b5b6ad6e20
RBP: 0000000000000064 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffee4120d88 R11: 0000000000000246 R12: 000055b5b6ad6e20
R13: 00007ffee4120d88 R14: 0000000000000002 R15: 000055b5b6ad249c
 </TASK>
task:getty           state:S stack:20952 pid:4819  tgid:4819  ppid:1      flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
 wait_woken+0xc0/0x190 kernel/sched/wait.c:423
 n_tty_read+0x114d/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:2079 [inline]
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x978/0xb70 fs/read_write.c:476
 ksys_read+0x1a0/0x2c0 fs/read_write.c:619
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f1730349b6a
RSP: 002b:00007ffdd4d5b648 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000557ed60e1910 RCX: 00007f1730349b6a
RDX: 0000000000000001 RSI: 00007ffdd4d5b660 RDI: 0000000000000000
RBP: 0000557ed60e1970 R08: 0000000000000000 R09: 260062aec75acf19
R10: 0000000000000010 R11: 0000000000000246 R12: 0000557ed60e19ac
R13: 00007ffdd4d5b660 R14: 0000000000000000 R15: 0000557ed60e19ac
 </TASK>
task:dhcpcd          state:S stack:25168 pid:4835  tgid:4835  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec560
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25168 pid:4862  tgid:4862  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec6e0
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4863  tgid:4863  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec6e0
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4869  tgid:4869  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec6e0
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4884  tgid:4884  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec6e0
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4903  tgid:4903  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec6e0
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25712 pid:4904  tgid:4904  ppid:4728   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x36d/0x480 kernel/time/hrtimer.c:2292
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb3a2ca1ad5
RSP: 002b:00007fffc315a970 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 0000560fe5bd7e20 RCX: 00007fb3a2ca1ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000560fe5bec6e0
RBP: 00007fffc315acc0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007fffc315acc0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000560fe550d610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:sshd            state:S stack:22168 pid:5052  tgid:5052  ppid:4815   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x2a8/0x480 kernel/time/hrtimer.c:2308
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe53/0x1340 fs/select.c:1015
 __do_sys_ppoll fs/select.c:1121 [inline]
 __se_sys_ppoll+0x2a0/0x330 fs/select.c:1101
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb500919ad5
RSP: 002b:00007ffdc3913be0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007fb500919ad5
RDX: 00007ffdc3913c00 RSI: 0000000000000004 RDI: 00005633249a3ab0
RBP: 00005633249a2570 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdc3913ce8 R11: 0000000000000246 R12: 000056332346aaa4
R13: 0000000000000001 R14: 000056332346b3e8 R15: 00007ffdc3913c68
 </TASK>
task:syz-fuzzer      state:S stack:22008 pid:5054  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:00007ffdea754f10 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002117b48
RBP: 00007ffdea754f58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 00007ffdea754f68
R13: 000000c00e3cbf8c R14: 0000000002115720 R15: 0000000000000000
 </TASK>
task:syz-fuzzer      state:R  running task     stack:22008 pid:5055  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 do_nanosleep+0x196/0x600 kernel/time/hrtimer.c:2047
 hrtimer_nanosleep+0x226/0x470 kernel/time/hrtimer.c:2100
 __do_sys_nanosleep kernel/time/hrtimer.c:2135 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:2121 [inline]
 __x64_sys_nanosleep+0x26d/0x2d0 kernel/time/hrtimer.c:2121
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x471e57
RSP: 002b:000000c00006bf18 EFLAGS: 00000202 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 0000000000002710 RCX: 0000000000471e57
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00006bf18
RBP: 000000c00006bf28 R08: 00000000000273f2 R09: 00007ffdea7a00b0
R10: 00007ffdea7a0080 R11: 0000000000000202 R12: 000000c00006bf18
R13: 000000c01b721c00 R14: 000000c0000064e0 R15: 000000000000000f
 </TASK>
task:syz-fuzzer      state:S stack:25112 pid:5056  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:000000c000067e58 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c00005a548
RBP: 000000c000067ea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000444060
R13: 000000c000c90fa4 R14: 000000c000006820 R15: 0000000000000022
 </TASK>
task:syz-fuzzer      state:S stack:22008 pid:5057  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 do_wait+0x294/0x540 kernel/exit.c:1633
 kernel_waitid kernel/exit.c:1711 [inline]
 __do_sys_waitid kernel/exit.c:1724 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1719
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x40720e
RSP: 002b:000000c000c8ed08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c000c8ee18 RSI: 00000000000013e0 RDI: 0000000000000001
RBP: 000000c000c8ed48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c000c8ee60
R13: 000000c00005a800 R14: 000000c013dc3d40 R15: 000000000000001c
 </TASK>
task:syz-fuzzer      state:S stack:26864 pid:5058  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:000000c000c916d0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002156b80
RBP: 000000c000c91718 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046e700
R13: 000000c000c94400 R14: 000000c0003eb380 R15: 0000000000000011
 </TASK>
task:syz-fuzzer      state:S stack:28944 pid:5059  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:000000c000ca7ef0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000021569f8
RBP: 000000c000ca7f38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046e700
R13: 000000c000c94000 R14: 000000c0003eb040 R15: 000000000000000a
 </TASK>
task:syz-fuzzer      state:S stack:21656 pid:5060  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:000000c000ca3ed0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000c94548
RBP: 000000c000ca3f18 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 00000000004457c0
R13: 0000000000000001 R14: 000000c0003ebba0 R15: 000000000000000c
 </TASK>
task:syz-fuzzer      state:S stack:21584 pid:5065  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 do_wait+0x294/0x540 kernel/exit.c:1633
 kernel_waitid kernel/exit.c:1711 [inline]
 __do_sys_waitid kernel/exit.c:1724 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1719
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x40720e
RSP: 002b:000000c00113ed08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c00113ee18 RSI: 00000000000038e3 RDI: 0000000000000001
RBP: 000000c00113ed48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c00113ee60
R13: 000000c000ce51b4 R14: 000000c0081b56c0 R15: 0000000000000000
 </TASK>
task:syz-fuzzer      state:S stack:25808 pid:5085  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:000000c002fb9d70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c0155bdd48
RBP: 000000c002fb9db8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000044500
R13: 0000000000000053 R14: 000000c013dc3a00 R15: 0000000000000002
 </TASK>
task:syz-fuzzer      state:S stack:27608 pid:5086  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 do_wait+0x294/0x540 kernel/exit.c:1633
 kernel_waitid kernel/exit.c:1711 [inline]
 __do_sys_waitid kernel/exit.c:1724 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1719
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x40720e
RSP: 002b:000000c000c8fd08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c000c8fe18 RSI: 00000000000013df RDI: 0000000000000001
RBP: 000000c000c8fd48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c000c8fe60
R13: 000000c0001bf874 R14: 000000c0081b4000 R15: 0000000000000026
 </TASK>
task:syz-fuzzer      state:S stack:22168 pid:5089  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 futex_wait_queue+0x14d/0x1d0 kernel/futex/waitwake.c:370
 __futex_wait+0x17f/0x320 kernel/futex/waitwake.c:669
 futex_wait+0x100/0x360 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+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x472443
RSP: 002b:000000c0031f7d70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000472443
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c015bc0948
RBP: 000000c0031f7db8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c0031f7dc8
R13: 000000c001142f8c R14: 000000c0188e31e0 R15: 0000000000000000
 </TASK>
task:syz-fuzzer      state:R  running task     stack:22168 pid:5181  tgid:5054  ppid:5052   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x177f/0x49a0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6817
 schedule_hrtimeout_range_clock+0x2a8/0x480 kernel/time/hrtimer.c:2308
 ep_poll fs/eventpoll.c:1920 [inline]
 do_epoll_wait+0x1bb3/0x1e10 fs/eventpoll.c:2317
 do_epoll_pwait+0x56/0x1e0 fs/eventpoll.c:2351
 __do_sys_epoll_pwait fs/eventpoll.c:2364 [inline]
 __se_sys_epoll_pwait fs/eventpoll.c:2358 [inline]
 __x64_sys_epoll_pwait+0x2b8/0x310 fs/eventpoll.c:2358
 do_syscall_64+0xf9/0x240

Crashes (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/05 18:07 upstream 54be6c6c5ae8 4e988e80 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sendmsg
2024/01/02 02:03 upstream 610a9b8f49fb fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in sendmsg
2024/02/04 02:19 net b09b58e31b0f a67b2c42 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sendmsg
2023/11/13 15:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing b85ea95d0864 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in sendmsg
* Struck through repros no longer work on HEAD.