rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5857/1:b..l P6106/1:b..l P24/1:b..l P5203/1:b..l P6127/1:b..l P1330/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=13813, q=321 ncpus=2)
task:kworker/u8:8 state:R running task stack:24152 pid:1330 tgid:1330 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235
Code: 48 16 00 00 83 fa 02 75 21 48 8b 91 50 16 00 00 48 8b 32 48 8d 7e 01 8b 89 4c 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 cc cc cc cc cc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90
RSP: 0018:ffffc900047ef610 EFLAGS: 00000293
RAX: ffffffff8a98b0d5 RBX: ffff88807cbb3140 RCX: ffff88802731bd00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88807cbb3140 R08: 0000000000000000 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000000000 R12: 0000000000000004
R13: ffff88807cbb5cf8 R14: 0000000000000009 R15: ffff88807cbb5cf8
ieee80211_mandatory_rates+0x155/0x230 net/wireless/util.c:62
ieee80211_update_sta_info net/mac80211/ibss.c:990 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1092 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x136b/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:syz.2.29 state:R running task stack:27136 pid:6127 tgid:6127 ppid:5965 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:80 [inline]
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:102 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x130e/0x2390 arch/x86/kernel/unwind_orc.c:494
Code: c1 e8 3f 48 01 c8 48 83 e0 fe 4c 8d 3c 45 00 00 00 00 49 01 ef 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 27 49 63 07 4c 01 f8 49 8d 4f 04 4c 39 e0 48 0f 46 e9 49
RSP: 0018:ffffc90002f077b8 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffffffff8f9a90b4 RCX: dffffc0000000000
RDX: ffffffff8f9a90b4 RSI: ffffffff9016afb4 RDI: ffffffff8bbfc600
RBP: ffffffff8f9a90b4 R08: 0000000000000001 R09: ffffffff8df41cc0
R10: ffffc90002f078d8 R11: ffffffff81ad4ad0 R12: ffffffff81a76456
R13: ffffffff8f9a90b4 R14: ffffc90002f07888 R15: ffffffff8f9a90b4
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
__call_rcu_common kernel/rcu/tree.c:3119 [inline]
call_rcu+0x157/0x9c0 kernel/rcu/tree.c:3239
slab_free_hook mm/slub.c:2504 [inline]
slab_free mm/slub.c:6663 [inline]
kmem_cache_free+0x488/0x620 mm/slub.c:6774
task_work_run+0x1d4/0x260 kernel/task_work.c:233
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
__exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc9dcf8f749
RSP: 002b:00007fff54b6e188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000237a3 RCX: 00007fc9dcf8f749
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fc9dd1e7da0 R08: 0000000000000001 R09: 0000000754b6e47f
R10: 0000001b30a20000 R11: 0000000000000246 R12: 00007fc9dd1e5fac
R13: 00007fc9dd1e5fa0 R14: ffffffffffffffff R15: 00007fff54b6e2a0
task:udevd state:R running task stack:25064 pid:5203 tgid:5203 ppid:1 task_flags:0x400140 flags:0x00080800
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x118f/0x2390 arch/x86/kernel/unwind_orc.c:641
Code: 10 4c 8b 7c 24 28 48 8b 44 24 40 0f b6 04 28 84 c0 0f 85 8a 0d 00 00 41 0f b6 04 2f 84 c0 0f 85 a1 0d 00 00 0f b7 32 c1 ee 04 <83> e6 0f 83 fe 04 0f 84 c7 05 00 00 83 fe 01 0f 84 78 05 00 00 85
RSP: 0018:ffffc900030676b8 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffffc900030677c0 RCX: 0000000000000000
RDX: ffffffff90210f60 RSI: 0000000000000021 RDI: ffffc900030677e8
RBP: dffffc0000000000 R08: ffffc900030677e7 R09: 0000000000000000
R10: ffffc900030677d8 R11: fffff5200060cefd R12: ffffc90003067a30
R13: ffffc900030677d8 R14: ffffc90003067788 R15: 1ffffffff20421ec
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf5/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:311
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1394 [inline]
__free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2901
discard_slab mm/slub.c:3346 [inline]
__put_partials+0x146/0x170 mm/slub.c:3886
put_cpu_partial+0x1f2/0x2d0 mm/slub.c:3961
__slab_free+0x288/0x2a0 mm/slub.c:5947
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:352
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4948 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
kmem_cache_alloc_noprof+0x367/0x6f0 mm/slub.c:5265
getname_flags+0xb8/0x540 fs/namei.c:146
getname include/linux/fs.h:2499 [inline]
getname_maybe_null include/linux/fs.h:2506 [inline]
vfs_fstatat+0x43/0x170 fs/stat.c:370
__do_sys_newfstatat fs/stat.c:542 [inline]
__se_sys_newfstatat fs/stat.c:536 [inline]
__x64_sys_newfstatat+0x116/0x190 fs/stat.c:536
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d5ed11b0a
RSP: 002b:00007ffddc87b628 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000055f859a64400 RCX: 00007f8d5ed11b0a
RDX: 00007ffddc87b630 RSI: 000055f859a52296 RDI: 00000000ffffff9c
RBP: 000055f885c7d148 R08: 000000000b118e3c R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffddc87b630 R14: 0000000000000000 R15: 0000000000000000
task:kworker/1:0 state:R running task stack:24088 pid:24 tgid:24 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient gc_worker
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:seqcount_lockdep_reader_access+0x17e/0x1c0 include/linux/seqlock.h:75
Code: f8 4d 85 e4 75 16 e8 51 57 4d f8 eb 15 e8 4a 57 4d f8 e8 95 4e d5 01 4d 85 e4 74 ea e8 3b 57 4d f8 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00
RSP: 0018:ffffc900001e7820 EFLAGS: 00000293
RAX: ffffffff8973f325 RBX: 0000000000000000 RCX: ffff88801cee8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e78d0 R08: ffffffff8f805a77 R09: 1ffffffff1f00b4e
R10: dffffc0000000000 R11: fffffbfff1f00b4f R12: 0000000000000200
R13: ffff88801cea2218 R14: 1ffff9200003cf04 R15: dffffc0000000000
nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:342 [inline]
gc_worker+0x308/0x1380 net/netfilter/nf_conntrack_core.c:1548
process_one_work kernel/workqueue.c:3257 [inline]
process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/1:5 state:R running task stack:26208 pid:6106 tgid:6106 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: 0x0 (wg-crypt-wg0)
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190
irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:debug_lockdep_rcu_enabled+0x2a/0x40 kernel/rcu/update.c:321
Code: f3 0f 1e fa 31 c0 83 3d 77 13 37 04 00 74 1e 83 3d 7a 42 37 04 00 74 15 65 48 8b 0c 25 08 f0 76 92 31 c0 83 b9 2c 0b 00 00 00 <0f> 94 c0 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90002f37410 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888025548000
RDX: ffffffff900d8e7e RSI: ffffffff900d8e06 RDI: ffffffff8bbfc600
RBP: dffffc0000000000 R08: 000000000000001b R09: ffffffff8df41cc0
R10: ffffc90002f37538 R11: ffffffff81ad4ad0 R12: 1ffff920005e6e9d
R13: ffffc90002f37538 R14: ffffc90002f374e8 R15: ffffffff8173ef25
rcu_read_unlock include/linux/rcupdate.h:895 [inline]
class_rcu_destructor include/linux/rcupdate.h:1195 [inline]
unwind_next_frame+0x195c/0x2390 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417
kasan_kmalloc include/linux/kasan.h:262 [inline]
__kmalloc_cache_noprof+0x3d5/0x6f0 mm/slub.c:5771
kmalloc_noprof include/linux/slab.h:957 [inline]
__kthread_create_on_node+0xef/0x3e0 kernel/kthread.c:510
kthread_create_on_node+0xdd/0x130 kernel/kthread.c:587
create_worker+0x299/0x720 kernel/workqueue.c:2796
maybe_create_worker kernel/workqueue.c:3057 [inline]
manage_workers kernel/workqueue.c:3134 [inline]
worker_thread+0x33e/0xda0 kernel/workqueue.c:3396
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:udevd state:R running task stack:25952 pid:5857 tgid:5857 ppid:5203 task_flags:0x40014c flags:0x00080800
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:7047
preempt_schedule+0xae/0xc0 kernel/sched/core.c:7071
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1885 [inline]
zap_pmd_range mm/memory.c:1947 [inline]
zap_pud_range mm/memory.c:1976 [inline]
zap_p4d_range mm/memory.c:1997 [inline]
unmap_page_range+0x3a7f/0x4370 mm/memory.c:2018
unmap_single_vma mm/memory.c:2061 [inline]
unmap_vmas+0x399/0x580 mm/memory.c:2105
exit_mmap+0x23b/0xb20 mm/mmap.c:1280
__mmput+0x118/0x430 kernel/fork.c:1130
exit_mm+0x1da/0x2c0 kernel/exit.c:583
do_exit+0x658/0x2310 kernel/exit.c:961
do_group_exit+0x21c/0x2d0 kernel/exit.c:1114
__do_sys_exit_group kernel/exit.c:1125 [inline]
__se_sys_exit_group kernel/exit.c:1123 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1123
x64_sys_call+0x2210/0x2210 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d5ecf16c5
RSP: 002b:00007ffddc87b548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000055f885c8f970 RCX: 00007f8d5ecf16c5
RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000
RBP: 000055f885c6a910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffddc87b590 R14: 0000000000000000 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 4641 jiffies! g13813 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:27784 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5256 [inline]
__schedule+0x14bc/0x5000 kernel/sched/core.c:6863
__schedule_loop kernel/sched/core.c:6945 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6960
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2083
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2285
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 1301 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:246 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0x97/0x130 kernel/kcov.c:351
Code: 54 53 48 8b 54 24 20 65 4c 8b 04 25 08 f0 76 92 45 31 c9 eb 08 49 ff c1 4c 39 c8 74 77 4e 8b 54 ce 10 65 44 8b 1d b9 9f b5 10 <41> 81 e3 00 01 ff 00 74 13 41 81 fb 00 01 00 00 75 d9 41 83 b8 6c
RSP: 0018:ffffc90000007308 EFLAGS: 00000012
RAX: 0000000000000020 RBX: ffff88801a073d44 RCX: 0000000000000005
RDX: ffffffff81c53180 RSI: ffffffff8df9a250 RDI: 0000000000000004
RBP: 0000004d48b66636 R08: ffff888027141e80 R09: 0000000000000019
R10: 0000000000000019 R11: 0000000080010207 R12: ffff88801a073010
R13: 0000000000000004 R14: 0000000000101864 R15: 0000000000000d34
FS: 0000000000000000(0000) GS:ffff8881260b1000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f885c73a38 CR3: 0000000030a9e000 CR4: 00000000003526f0
Call Trace:
rb_read_data_buffer+0x110/0x580 kernel/trace/ring_buffer.c:1827
check_buffer+0x28a/0x750 kernel/trace/ring_buffer.c:4394
__rb_reserve_next+0x592/0xdb0 kernel/trace/ring_buffer.c:4493
rb_reserve_next_event kernel/trace/ring_buffer.c:4630 [inline]
ring_buffer_lock_reserve+0xbb5/0x1010 kernel/trace/ring_buffer.c:4689
__trace_buffer_lock_reserve kernel/trace/trace.c:1081 [inline]
trace_event_buffer_lock_reserve+0x1d0/0x6f0 kernel/trace/trace.c:2799
trace_event_buffer_reserve+0x248/0x340 kernel/trace/trace_events.c:672
do_trace_event_raw_event_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
trace_event_raw_event_bpf_trace_printk+0x100/0x260 kernel/trace/bpf_trace.h:11
__do_trace_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
trace_bpf_trace_printk+0x153/0x1b0 kernel/trace/bpf_trace.h:11
____bpf_trace_printk kernel/trace/bpf_trace.c:379 [inline]
bpf_trace_printk+0x11e/0x190 kernel/trace/bpf_trace.c:362
bpf_prog_b1367f0be6c54012+0x39/0x3f
bpf_dispatcher_nop_func include/linux/bpf.h:1376 [inline]
__bpf_prog_run include/linux/filter.h:723 [inline]
bpf_prog_run include/linux/filter.h:730 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2075 [inline]
bpf_trace_run1+0x27f/0x4c0 kernel/trace/bpf_trace.c:2115
__bpf_trace_rcu_utilization+0xa1/0xf0 include/trace/events/rcu.h:27
__traceiter_rcu_utilization+0x7a/0xb0 include/trace/events/rcu.h:27
__do_trace_rcu_utilization include/trace/events/rcu.h:27 [inline]
trace_rcu_utilization+0x191/0x1c0 include/trace/events/rcu.h:27
rcu_sched_clock_irq+0xd3/0x1280 kernel/rcu/tree.c:2693
update_process_times+0x23c/0x2f0 kernel/time/timer.c:2474
tick_sched_handle kernel/time/tick-sched.c:298 [inline]
tick_nohz_handler+0x3e9/0x710 kernel/time/tick-sched.c:319
__run_hrtimer kernel/time/hrtimer.c:1777 [inline]
__hrtimer_run_queues+0x4d0/0xc30 kernel/time/hrtimer.c:1841
hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1903
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1045 [inline]
__sysvec_apic_timer_interrupt+0x102/0x3e0 arch/x86/kernel/apic/apic.c:1062
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2037 [inline]
RIP: 0010:vprintk_emit+0x4d0/0x5f0 kernel/printk/printk.c:2425
Code: 0f 84 34 ff ff ff e8 ff 4c 20 00 fb eb 44 e8 f7 4c 20 00 e8 42 44 a8 09 4d 85 f6 74 94 e8 e8 4c 20 00 fb 48 c7 c7 80 5b f3 8d <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 08 2c
RSP: 0018:ffffc900046df280 EFLAGS: 00000293
RAX: ffffffff81a0fd78 RBX: ffffffff81a0fbd1 RCX: ffff888027141e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8df35b80
RBP: ffffc900046df390 R08: ffffffff8f805a77 R09: 1ffffffff1f00b4e
R10: dffffc0000000000 R11: fffffbfff1f00b4f R12: 0000000000000000
R13: 000000000000002d R14: 0000000000000200 R15: 1ffff920008dbe54
dev_vprintk_emit+0x337/0x3f0 drivers/base/core.c:4914
dev_printk_emit+0xe0/0x130 drivers/base/core.c:4925
__netdev_printk+0x3e1/0x480 net/core/dev.c:12901
netdev_warn+0x10a/0x160 net/core/dev.c:12954
ieee802154_subif_start_xmit+0x136/0x190 net/mac802154/tx.c:232
__netdev_start_xmit include/linux/netdevice.h:5272 [inline]
netdev_start_xmit include/linux/netdevice.h:5281 [inline]
xmit_one net/core/dev.c:3853 [inline]
dev_hard_start_xmit+0x2cd/0x800 net/core/dev.c:3869
sch_direct_xmit+0x241/0x4b0 net/sched/sch_generic.c:347
__dev_xmit_skb net/core/dev.c:4169 [inline]
__dev_queue_xmit+0x136f/0x3140 net/core/dev.c:4783
dev_queue_xmit include/linux/netdevice.h:3381 [inline]
tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62
kthread+0x1d0/0x3e0 drivers/block/aoe/aoecmd.c:1241
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246