INFO: rcu detected stall in sys_rt_sigprocmask

Status: auto-obsoleted due to no activity on 2024/09/22 08:02
Subsystems: kernel
[Documentation on labels]
First crash: 780d, last: 780d
▶ ▼ Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_rt_sigprocmask (2) kernel 1 syz 8 652d 668d 0/29 auto-obsoleted due to no activity on 2025/02/06 23:14

Sample crash report:
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-...D
 } 2671 jiffies s: 7781 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: 4534 Comm: acpid Not tainted 6.10.0-rc4-syzkaller-00330-g7c16f0a4ed1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:format_decode+0x4ec/0x1bb0
Code: 80 00 00 00 0f 85 ed 0f 00 00 48 c7 c3 00 ff ff ff 48 8b 44 24 10 48 23 18 e9 65 03 00 00 e8 8b 06 17 f6 eb 05 e8 84 06 17 f6 <48> 8b 44 24 30 42 80 3c 30 00 74 0d 48 8d bc 24 80 00 00 00 e8 4b
RSP: 0018:ffffc900000062c0 EFLAGS: 00000046
RAX: ffffffff8b7f1f0c RBX: ffffffff8bcb808c RCX: ffff88806c53da00
RDX: 0000000080010003 RSI: ffffffff8f9500e0 RDI: 0000000000000000
RBP: ffffc900000063b0 R08: 0000000000000001 R09: ffffffff8b7f1c1a
R10: 0000000000000002 R11: ffff88806c53da00 R12: ffffffff8bcb808b
R13: ffffffff8bcb808c R14: dffffc0000000000 R15: 0000000000000000
FS:  00007fc02f3f5740(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33427000 CR3: 000000006c7e0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 vsnprintf+0x14f/0x1da0 lib/vsprintf.c:2776
 sprintf+0xda/0x120 lib/vsprintf.c:3028
 print_time kernel/printk/printk.c:1327 [inline]
 info_print_prefix+0x16b/0x310 kernel/printk/printk.c:1353
 record_print_text kernel/printk/printk.c:1402 [inline]
 printk_get_next_message+0x6da/0xbe0 kernel/printk/printk.c:2855
 console_emit_next_record kernel/printk/printk.c:2895 [inline]
 console_flush_all+0x410/0xfd0 kernel/printk/printk.c:2994
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
 _printk+0xd5/0x120 kernel/printk/printk.c:2370
 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+0x506/0x6d0 kernel/sched/core.c:9191
 show_state_filter+0x19e/0x270 kernel/sched/core.c:9236
 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+0x138c/0x1ca0 drivers/hid/hid-input.c:1746
 hid_process_event+0x439/0x590 drivers/hid/hid-core.c:1540
 hid_input_array_field+0x401/0x5d0 drivers/hid/hid-core.c:1652
 hid_process_report drivers/hid/hid-core.c:1694 [inline]
 hid_report_raw_event+0xf4b/0x18a0 drivers/hid/hid-core.c:2015
 hid_input_report+0x416/0x500 drivers/hid/hid-core.c:2089
 hid_irq_in+0x4a0/0x6d0 drivers/hid/usbhid/hid-core.c:284
 __usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650
 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:571 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:1181 [inline]
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0x97/0x9f0 kernel/locking/lockdep.c:5765
Code: 4b 89 04 3c 48 b8 f2 f2 00 f3 f3 f3 f3 f3 4b 89 44 3c 08 0f 1f 44 00 00 65 8b 05 b0 48 91 7e 83 f8 08 0f 83 d6 05 00 00 89 c3 <48> 89 d8 48 c1 e8 06 48 8d 3c c5 28 4d ad 8f be 08 00 00 00 e8 b0
RSP: 0018:ffffc9000310fca0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff81e3cb0a RDI: ffff88801d2b7398
RBP: ffffc9000310fdc8 R08: ffffffff92fa75b7 R09: 1ffffffff25f4eb6
R10: dffffc0000000000 R11: fffffbfff25f4eb7 R12: 1ffff92000621fa0
R13: ffffffff81e3cb0a R14: ffffc9000310fe80 R15: dffffc0000000000
 _copy_from_user+0x2a/0xe0 lib/usercopy.c:19
 copy_from_user include/linux/uaccess.h:183 [inline]
 __do_sys_rt_sigprocmask kernel/signal.c:3206 [inline]
 __se_sys_rt_sigprocmask+0x160/0x390 kernel/signal.c:3193
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc02f46b773
Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41
RSP: 002b:00007fff05e5d500 EFLAGS: 00000246 ORIG_RAX: 000000000000000e
RAX: ffffffffffffffda RBX: 000055dc824cd906 RCX: 00007fc02f46b773
RDX: 0000000000000000 RSI: 000055dc824d3480 RDI: 0000000000000000
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff05e5d608
R13: 000055dc824cd178 R14: 0000000000000001 R15: 000000000000000a
 </TASK>
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-rds_m state:I stack:29696 pid:2746  tgid:2746  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-ceph- state:I stack:29696 pid:2755  tgid:2755  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-bat_e state:I stack:29696 pid:2756  tgid:2756  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/u8:10   state:I stack:25968 pid:2832  tgid:2832  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3408
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/u8:11   state:I stack:23432 pid:2859  tgid:2859  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3408
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/u8:12   state:I stack:25968 pid:2875  tgid:2875  ppid:2      flags:0x00004000
Workqueue:  0x0 (events_unbound)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3408
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/u8:13   state:D stack:21784 pid:2926  tgid:2926  ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline]
 synchronize_rcu_expedited+0x710/0x830 kernel/rcu/tree_exp.h:939
 synchronize_rcu+0x11b/0x360 kernel/rcu/tree.c:3986
 lockdep_unregister_key+0x4b7/0x540 kernel/locking/lockdep.c:6475
 __qdisc_destroy+0x165/0x410 net/sched/sch_generic.c:1078
 qdisc_put net/sched/sch_generic.c:1104 [inline]
 dev_shutdown+0x357/0x440 net/sched/sch_generic.c:1492
 unregister_netdevice_many_notify+0x977/0x16b0 net/core/dev.c:11209
 unregister_netdevice_many net/core/dev.c:11277 [inline]
 default_device_exit_batch+0xa0f/0xa90 net/core/dev.c:11760
 ops_exit_list net/core/net_namespace.c:178 [inline]
 cleanup_net+0x89d/0xcc0 net/core/net_namespace.c:640
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-zswap state:I stack:29696 pid:4489  tgid:4489  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-kafsd state:I stack:29696 pid:4490  tgid:4490  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-kafs_ state:I stack:29696 pid:4491  tgid:4491  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:krxrpcio/7001   state:S stack:27888 pid:4492  tgid:4492  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rxrpc_io_thread+0x1839/0x3150 net/rxrpc/io_thread.c:562
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/u9:1    state:I stack:24944 pid:4494  tgid:4494  ppid:2      flags:0x00004000
Workqueue:  0x0 (hci1)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 worker_thread+0xa2c/0xd70 kernel/workqueue.c:3408
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:jbd2/sda1-8     state:S stack:24784 pid:4512  tgid:4512  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 kjournald2+0x4c6/0x850 fs/jbd2/journal.c:237
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:kworker/R-ext4- state:I stack:29696 pid:4513  tgid:4513  ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 rescuer_thread+0xc46/0xda0 kernel/workqueue.c:3543
 kthread+0x2f0/0x390 kernel/kthread.c:389
 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>
task:syslogd         state:S stack:23216 pid:4531  tgid:4531  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 __skb_wait_for_more_packets+0x399/0x600 net/core/datagram.c:121
 __unix_dgram_recvmsg+0x34a/0x12f0 net/unix/af_unix.c:2401
 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
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x9c4/0xbd0 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3d0fde2b6a
RSP: 002b:00007ffe5556be18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3d0fde2b6a
RDX: 00000000000000ff RSI: 000055f8db74e950 RDI: 0000000000000000
RBP: 000055f8db74e910 R08: 0000000000000001 R09: 0000000000000000
R10: 00007f3d0ff813a3 R11: 0000000000000246 R12: 000055f8db74e99f
R13: 000055f8db74e950 R14: 0000000000000000 R15: 00007f3d0ffc5a80
 </TASK>
task:acpid           state:R  running task     stack:19472 pid:4534  tgid:4534  ppid:1      flags:0x00000008
Call Trace:
 <IRQ>
 sched_show_task+0x506/0x6d0 kernel/sched/core.c:9191
 show_state_filter+0x19e/0x270 kernel/sched/core.c:9236
 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+0x138c/0x1ca0 drivers/hid/hid-input.c:1746
 hid_process_event+0x439/0x590 drivers/hid/hid-core.c:1540
 hid_input_array_field+0x401/0x5d0 drivers/hid/hid-core.c:1652
 hid_process_report drivers/hid/hid-core.c:1694 [inline]
 hid_report_raw_event+0xf4b/0x18a0 drivers/hid/hid-core.c:2015
 hid_input_report+0x416/0x500 drivers/hid/hid-core.c:2089
 hid_irq_in+0x4a0/0x6d0 drivers/hid/usbhid/hid-core.c:284
 __usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650
 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:571 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:1181 [inline]
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0x97/0x9f0 kernel/locking/lockdep.c:5765
Code: 4b 89 04 3c 48 b8 f2 f2 00 f3 f3 f3 f3 f3 4b 89 44 3c 08 0f 1f 44 00 00 65 8b 05 b0 48 91 7e 83 f8 08 0f 83 d6 05 00 00 89 c3 <48> 89 d8 48 c1 e8 06 48 8d 3c c5 28 4d ad 8f be 08 00 00 00 e8 b0
RSP: 0018:ffffc9000310fca0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff81e3cb0a RDI: ffff88801d2b7398
RBP: ffffc9000310fdc8 R08: ffffffff92fa75b7 R09: 1ffffffff25f4eb6
R10: dffffc0000000000 R11: fffffbfff25f4eb7 R12: 1ffff92000621fa0
R13: ffffffff81e3cb0a R14: ffffc9000310fe80 R15: dffffc0000000000
 _copy_from_user+0x2a/0xe0 lib/usercopy.c:19
 copy_from_user include/linux/uaccess.h:183 [inline]
 __do_sys_rt_sigprocmask kernel/signal.c:3206 [inline]
 __se_sys_rt_sigprocmask+0x160/0x390 kernel/signal.c:3193
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc02f46b773
Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41
RSP: 002b:00007fff05e5d500 EFLAGS: 00000246 ORIG_RAX: 000000000000000e
RAX: ffffffffffffffda RBX: 000055dc824cd906 RCX: 00007fc02f46b773
RDX: 0000000000000000 RSI: 000055dc824d3480 RDI: 0000000000000000
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff05e5d608
R13: 000055dc824cd178 R14: 0000000000000001 R15: 000000000000000a
 </TASK>
task:klogd           state:R  running task     stack:23680 pid:4538  tgid:4538  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 unix_wait_for_peer+0x250/0x340 net/unix/af_unix.c:1462
 unix_dgram_sendmsg+0x127a/0x1f80 net/unix/af_unix.c:2080
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2192
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc9c03739b5
RSP: 002b:00007ffca9e1dee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc9c03739b5
RDX: 000000000000005b RSI: 000055ae56da5a20 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000007 R09: 477d476916884f89
R10: 0000000000004000 R11: 0000000000000206 R12: 00007fc9c05114a0
R13: 00007fc9c0501212 R14: 00007fc9c0511630 R15: 00007fc9c0511630
 </TASK>
task:udevd           state:S stack:22656 pid:4549  tgid:4549  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2289
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x1d79/0x2040 fs/eventpoll.c:2464
 __do_sys_epoll_wait fs/eventpoll.c:2476 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __x64_sys_epoll_wait+0x257/0x2a0 fs/eventpoll.c:2471
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0458123457
RSP: 002b:00007ffd24efc1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00007ffd24efc2a8 RCX: 00007f0458123457
RDX: 0000000000000008 RSI: 00007ffd24efc2a8 RDI: 000000000000000b
RBP: 00005621aa6fc230 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000bb8
R13: 0000000200000001 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dbus-daemon     state:S stack:26784 pid:4747  tgid:4747  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x1d79/0x2040 fs/eventpoll.c:2464
 __do_sys_epoll_wait fs/eventpoll.c:2476 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2471 [inline]
 __x64_sys_epoll_wait+0x257/0x2a0 fs/eventpoll.c:2471
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd06feb6457
RSP: 002b:00007ffd36ed9768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00007ffd36ed9778 RCX: 00007fd06feb6457
RDX: 0000000000000040 RSI: 00007ffd36ed9778 RDI: 0000000000000003
RBP: 00007ffd36ed9b08 R08: 00000000311a2744 R09: 7fffffffffffffff
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ffd36ed9b08 R15: 00007ffd36ed9e18
 </TASK>
task:dhcpcd          state:S stack:23632 pid:4762  tgid:4762  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb11c640 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f076e30 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000055827f06de00
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 00007ffdcb11c7c8 R15: 000055827f05dce0
 </TASK>
task:dhcpcd          state:D stack:20672 pid:4763  tgid:4763  ppid:4762   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101
 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1003
 sock_do_ioctl+0x158/0x460 net/socket.c:1222
 sock_ioctl+0x629/0x8e0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201fd49
RSP: 002b:00007ffdcb10c6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1f91f516c0 RCX: 00007f1f9201fd49
RDX: 00007ffdcb11c8e8 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007ffdcb12caa8 R08: 00007ffdcb11c8a8 R09: 00007ffdcb11c858
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdcb11c8e8 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4764  tgid:4764  ppid:4762   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000055827f076f20
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 000055825b9ba3d0
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000003 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4765  tgid:4765  ppid:4762   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000055827f076f20
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 000055825b9ba3d0
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:sshd            state:S stack:25600 pid:4845  tgid:4845  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a43919ad5
RSP: 002b:00007ffcdcc2e0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00005576ccf59dd0 RCX: 00007f6a43919ad5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00005576ccf5a2b0
RBP: 0000000000000064 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffcdcc2e268 R11: 0000000000000246 R12: 00005576ccf5a2b0
R13: 00007ffcdcc2e268 R14: 0000000000000002 R15: 00005576ccf5a29c
 </TASK>
task:getty           state:S stack:20672 pid:4850  tgid:4850  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 wait_woken+0xc1/0x190 kernel/sched/wait.c:423
 n_tty_read+0x114e/0x1e10 drivers/tty/n_tty.c:2277
 iterate_tty_read drivers/tty/tty_io.c:862 [inline]
 tty_read+0x25e/0x690 drivers/tty/tty_io.c:937
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x9c4/0xbd0 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d6d79fb6a
RSP: 002b:00007ffe1bbc8698 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005580dc303910 RCX: 00007f9d6d79fb6a
RDX: 0000000000000001 RSI: 00007ffe1bbc86b0 RDI: 0000000000000000
RBP: 00005580dc303970 R08: 0000000000000000 R09: 72fbeea006aa5543
R10: 0000000000000010 R11: 0000000000000246 R12: 00005580dc3039ac
R13: 00007ffe1bbc86b0 R14: 0000000000000000 R15: 00005580dc3039ac
 </TASK>
task:dhcpcd          state:S stack:24752 pid:4906  tgid:4906  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4908  tgid:4908  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4909  tgid:4909  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4911  tgid:4911  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:24688 pid:4917  tgid:4917  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4938  tgid:4938  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:dhcpcd          state:S stack:25624 pid:4940  tgid:4940  ppid:4763   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x36e/0x480 kernel/time/hrtimer.c:2273
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f9201ead5
RSP: 002b:00007ffdcb12c9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 000055827f06de20 RCX: 00007f1f9201ead5
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055827f081f30
RBP: 00007ffdcb12ccf0 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffdcb12ccf0 R11: 0000000000000246 R12: 0000000000000000
R13: 000055825b9ba610 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
task:sshd            state:S stack:23680 pid:5082  tgid:5082  ppid:4845   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2289
 poll_schedule_timeout fs/select.c:244 [inline]
 do_poll fs/select.c:965 [inline]
 do_sys_poll+0xe1d/0x1300 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faabb519ad5
RSP: 002b:00007ffc011ca0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007faabb519ad5
RDX: 00007ffc011ca0d0 RSI: 0000000000000004 RDI: 000055700247bab0
RBP: 000055700247a570 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffc011ca1b8 R11: 0000000000000246 R12: 0000556fd6adaaa4
R13: 0000000000000001 R14: 0000556fd6adb3e8 R15: 00007ffc011ca138
 </TASK>
task:syz-fuzzer      state:S stack:23680 pid:5084  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:00007ffd235fbad8 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000025c2048
RBP: 00007ffd235fbb20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000444fa0
R13: 000000c000052fa4 R14: 00000000025bfc20 R15: 000000000000001b
 </TASK>
task:syz-fuzzer      state:S stack:24160 pid:5085  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:000000c00006be80 EFLAGS: 00000206 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000025c2800
RBP: 000000c00006bec8 R08: 0000000000000000 R09: 0000000000000000
R10: 000000c00006beb8 R11: 0000000000000206 R12: 000000c00006beb8
R13: 000000c000d8b800 R14: 000000c0000064e0 R15: 0000000000000008
 </TASK>
task:syz-fuzzer      state:S stack:22048 pid:5086  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 do_wait+0x2a5/0x560 kernel/exit.c:1632
 kernel_waitid kernel/exit.c:1710 [inline]
 __do_sys_waitid kernel/exit.c:1723 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1718
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c00057f508 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c00057f618 RSI: 000000000000170a RDI: 0000000000000001
RBP: 000000c00057f548 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c00057f660
R13: 00000000004716e1 R14: 000000c000dd0ea0 R15: 0000000000000003
 </TASK>
task:syz-fuzzer      state:S stack:26704 pid:5087  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:000000c0004d76d0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002601180
RBP: 000000c0004d7718 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046f7e0
R13: 000000c000d8ac00 R14: 000000c0000bdd40 R15: 0000000000000011
 </TASK>
task:syz-fuzzer      state:S stack:23184 pid:5088  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 do_wait+0x2a5/0x560 kernel/exit.c:1632
 kernel_waitid kernel/exit.c:1710 [inline]
 __do_sys_waitid kernel/exit.c:1723 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1718
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c0004d9508 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c0004d9618 RSI: 0000000000001704 RDI: 0000000000000001
RBP: 000000c0004d9548 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c0004d9660
R13: 000000c000303400 R14: 000000c000455380 R15: 0000000000000003
 </TASK>
task:syz-fuzzer      state:S stack:28976 pid:5090  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:000000c000da1ef0 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000002600ff8
RBP: 000000c000da1f38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000046f7e0
R13: 000000c000d8a800 R14: 000000c000454b60 R15: 0000000000000007
 </TASK>
task:syz-fuzzer      state:S stack:24160 pid:5091  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:000000c000d9dd70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000d8ad48
RBP: 000000c000d9ddb8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000000000001e
R13: 000000c00057f78c R14: 000000c000007ba0 R15: 0000000000000000
 </TASK>
task:syz-fuzzer      state:S stack:22048 pid:5096  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_hrtimeout_range_clock+0x2a9/0x480 kernel/time/hrtimer.c:2289
 ep_poll fs/eventpoll.c:2062 [inline]
 do_epoll_wait+0x1d79/0x2040 fs/eventpoll.c:2464
 do_epoll_pwait+0x56/0x1e0 fs/eventpoll.c:2498
 __do_sys_epoll_pwait fs/eventpoll.c:2511 [inline]
 __se_sys_epoll_pwait fs/eventpoll.c:2505 [inline]
 __x64_sys_epoll_pwait+0x2b8/0x310 fs/eventpoll.c:2505
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c000df1748 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000040720e
RDX: 0000000000000080 RSI: 000000c000df1818 RDI: 0000000000000004
RBP: 000000c000df1790 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000003e7 R11: 0000000000000246 R12: 000000c000df1820
R13: 0000000000000010 R14: 000000c000dd0340 R15: 000000c0000b0d00
 </TASK>
task:syz-fuzzer      state:S stack:25056 pid:5098  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 do_wait+0x2a5/0x560 kernel/exit.c:1632
 kernel_waitid kernel/exit.c:1710 [inline]
 __do_sys_waitid kernel/exit.c:1723 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1718
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c00057d508 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c00057d618 RSI: 000000000000167d RDI: 0000000000000001
RBP: 000000c00057d548 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c00057d660
R13: 000000c000303800 R14: 000000c000dd11e0 R15: 0000000000000000
 </TASK>
task:syz-fuzzer      state:S stack:25840 pid:5099  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:000000c0004a1d70 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000303d48
RBP: 000000c0004a1db8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c000044500
R13: 0000000000000010 R14: 000000c00019e1a0 R15: 000000c0000b0d00
 </TASK>
task:syz-fuzzer      state:S stack:22656 pid:5102  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 do_wait+0x2a5/0x560 kernel/exit.c:1632
 kernel_waitid kernel/exit.c:1710 [inline]
 __do_sys_waitid kernel/exit.c:1723 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1718
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c0004d4d08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e
RDX: 000000c0004d4e18 RSI: 0000000000001707 RDI: 0000000000000001
RBP: 000000c0004d4d48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000001000004 R11: 0000000000000202 R12: 000000c0004d4e60
R13: 000000c00033391c R14: 000000c00019eea0 R15: 000000000000003d
 </TASK>
task:syz-fuzzer      state:S stack:22656 pid:5103  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 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+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x473523
RSP: 002b:000000c0004c3d78 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000473523
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000d8b548
RBP: 000000c0004c3dc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 000000c0004c3dd0
R13: 000000c0004d8f8c R14: 000000c000dd09c0 R15: 0000000000000000
 </TASK>
task:syz-fuzzer      state:S stack:21952 pid:5104  tgid:5084  ppid:5082   flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 do_wait+0x2a5/0x560 kernel/exit.c:1632
 kernel_waitid kernel/exit.c:1710 [inline]
 __do_sys_waitid kernel/exit.c:1723 [inline]
 __se_sys_waitid+0x146/0x4a0 kernel/exit.c:1718
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x40720e
RSP: 002b:000000c00057ed08 EFLAGS: 00000202 ORIG_RAX: 00000000000000f7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000040720e

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/24 07:55 upstream 7c16f0a4ed1c edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_rt_sigprocmask
* Struck through repros no longer work on HEAD.