rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4092/1:b..l
(detected by 1, t=10504 jiffies, g=206413, q=73 ncpus=2)
task:kworker/u4:10 state:R running task stack:26000 pid: 4092 ppid: 2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6766
irqentry_exit+0x31/0x80 kernel/entry/common.c:428
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5633
Code: f1 a4 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000583fa50 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000b07f4c RCX: 679aaeaafe7be9d7
RDX: 1ffff1100ddbcd73 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff9067a907
R10: fffffbfff20cf520 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd840a0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:269 [inline]
rcu_read_lock include/linux/rcupdate.h:695 [inline]
inet_twsk_purge+0x117/0x850 net/ipv4/inet_timewait_sock.c:269
ops_exit_list+0x125/0x170 net/core/net_namespace.c:167
cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:594
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
rcu: rcu_preempt kthread starved for 10502 jiffies! g206413 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:28368 pid: 17 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1999
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2187
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 5886 Comm: syz-executor.2 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 kernel/rcu/tree_stall.h:518
print_other_cpu_stall kernel/rcu/tree_stall.h:623 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:771 [inline]
rcu_pending kernel/rcu/tree.c:3977 [inline]
rcu_sched_clock_irq+0x2316/0x2370 kernel/rcu/tree.c:2675
update_process_times+0x11a/0x1a0 kernel/time/timer.c:1839
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1481
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0x49e/0x1110 kernel/smp.c:988
Code: 98 0a 00 85 ed 74 47 48 8b 04 24 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 fc 83 c5 03 e8 09 9c 0a 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 21 0a 00 00 8b 43 08 31 ff 83 e0 01 41
RSP: 0018:ffffc90003217b98 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880b9a44fc0 RCX: ffffc90004432000
RDX: 0000000000040000 RSI: ffffffff816f0a57 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed10173489f9
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
clock_was_set+0x599/0x790 kernel/time/hrtimer.c:974
do_settimeofday64 kernel/time/timekeeping.c:1344 [inline]
do_settimeofday64+0x3b9/0x5b0 kernel/time/timekeeping.c:1311
do_sys_settimeofday64 kernel/time/time.c:195 [inline]
do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169
__do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
__x64_sys_clock_settime+0x1a1/0x280 kernel/time/posix-timers.c:1067
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f5966a89109
================================
WARNING: inconsistent lock state
5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0 Not tainted
--------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
syz-executor.2/5886 [HC1[1]:SC0[0]:HE0:SE1] takes:
ffffffff8beb3318 (vmap_area_lock){?.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline]
ffffffff8beb3318 (vmap_area_lock){?.+.}-{2:2}, at: find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805
{HARDIRQ-ON-W} state was registered at:
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
alloc_vmap_area+0xa49/0x1f00 mm/vmalloc.c:1586
__get_vm_area_node+0x142/0x3f0 mm/vmalloc.c:2453
__vmalloc_node_range+0x250/0x13e0 mm/vmalloc.c:3125
__vmalloc_node mm/vmalloc.c:3230 [inline]
__vmalloc+0x69/0x80 mm/vmalloc.c:3244
pcpu_mem_zalloc mm/percpu.c:516 [inline]
pcpu_mem_zalloc+0x51/0xa0 mm/percpu.c:508
pcpu_alloc_chunk mm/percpu.c:1454 [inline]
pcpu_create_chunk+0xd7/0x930 mm/percpu-vm.c:338
pcpu_alloc+0x1012/0x13d0 mm/percpu.c:1834
alloc_kmem_cache_cpus.constprop.0+0x29/0xc0 mm/slab.c:1729
do_tune_cpucache+0x37/0x230 mm/slab.c:3844
enable_cpucache+0x3c/0xa0 mm/slab.c:3938
kmem_cache_init_late+0x33/0x66 mm/slab.c:1276
start_kernel+0x2f5/0x48f init/main.c:1058
secondary_startup_64_no_verify+0xce/0xdb
irq event stamp: 22554
hardirqs last enabled at (22553): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
hardirqs last disabled at (22554): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (1556): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last enabled at (1556): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
softirqs last disabled at (1433): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last disabled at (1433): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(vmap_area_lock);
lock(vmap_area_lock);
*** DEADLOCK ***
1 lock held by syz-executor.2/5886:
#0: ffffffff8bc31670 (cpu_hotplug_lock){++++}-{0:0}, at: clock_was_set+0x124/0x790 kernel/time/hrtimer.c:960
stack backtrace:
CPU: 1 PID: 5886 Comm: syz-executor.2 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_usage_bug kernel/locking/lockdep.c:3961 [inline]
valid_state kernel/locking/lockdep.c:3973 [inline]
mark_lock_irq kernel/locking/lockdep.c:4176 [inline]
mark_lock.part.0.cold+0x18/0xd8 kernel/locking/lockdep.c:4632
mark_lock kernel/locking/lockdep.c:4596 [inline]
mark_usage kernel/locking/lockdep.c:4524 [inline]
__lock_acquire+0x14ad/0x5660 kernel/locking/lockdep.c:5007
lock_acquire kernel/locking/lockdep.c:5665 [inline]
lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5630
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
find_vmap_area+0x1c/0x130 mm/vmalloc.c:1805
check_heap_object mm/usercopy.c:176 [inline]
__check_object_size mm/usercopy.c:250 [inline]
__check_object_size+0x1f8/0x700 mm/usercopy.c:212
check_object_size include/linux/thread_info.h:199 [inline]
__copy_from_user_inatomic include/linux/uaccess.h:62 [inline]
copy_from_user_nmi arch/x86/lib/usercopy.c:47 [inline]
copy_from_user_nmi+0xcb/0x130 arch/x86/lib/usercopy.c:31
copy_code arch/x86/kernel/dumpstack.c:91 [inline]
show_opcodes+0x59/0xb0 arch/x86/kernel/dumpstack.c:121
show_iret_regs+0xd/0x33 arch/x86/kernel/dumpstack.c:149
__show_regs+0x1e/0x60 arch/x86/kernel/process_64.c:74
show_trace_log_lvl+0x25b/0x2ba arch/x86/kernel/dumpstack.c:292
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_check_gp_kthread_starvation.cold+0x1fb/0x200 kernel/rcu/tree_stall.h:518
print_other_cpu_stall kernel/rcu/tree_stall.h:623 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:771 [inline]
rcu_pending kernel/rcu/tree.c:3977 [inline]
rcu_sched_clock_irq+0x2316/0x2370 kernel/rcu/tree.c:2675
update_process_times+0x11a/0x1a0 kernel/time/timer.c:1839
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1481
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0x49e/0x1110 kernel/smp.c:988
Code: 98 0a 00 85 ed 74 47 48 8b 04 24 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 fc 83 c5 03 e8 09 9c 0a 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 21 0a 00 00 8b 43 08 31 ff 83 e0 01 41
RSP: 0018:ffffc90003217b98 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8880b9a44fc0 RCX: ffffc90004432000
RDX: 0000000000040000 RSI: ffffffff816f0a57 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed10173489f9
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
clock_was_set+0x599/0x790 kernel/time/hrtimer.c:974
do_settimeofday64 kernel/time/timekeeping.c:1344 [inline]
do_settimeofday64+0x3b9/0x5b0 kernel/time/timekeeping.c:1311
do_sys_settimeofday64 kernel/time/time.c:195 [inline]
do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169
__do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
__x64_sys_clock_settime+0x1a1/0x280 kernel/time/posix-timers.c:1067
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f5966a89109
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5967bd5168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f5966b9bf60 RCX: 00007f5966a89109
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000
RBP: 00007f5966ae305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1ff84c8f R14: 00007f5967bd5300 R15: 0000000000022000
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5967bd5168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f5966b9bf60 RCX: 00007f5966a89109
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000
RBP: 00007f5966ae305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1ff84c8f R14: 00007f5967bd5300 R15: 0000000000022000
watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz-executor.2:5886]
Modules linked in:
irq event stamp: 22554
hardirqs last enabled at (22553): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
hardirqs last disabled at (22554): [] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106
softirqs last enabled at (1556): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last enabled at (1556): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
softirqs last disabled at (1433): [] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last disabled at (1433): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
CPU: 1 PID: 5886 Comm: syz-executor.2 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_pc+0x50/0x60 kernel/kcov.c:206
Code: 35 8b 82 a4 15 00 00 85 c0 74 2b 8b 82 80 15 00 00 83 f8 02 75 20 48 8b 8a 88 15 00 00 8b 92 84 15 00 00 48 8b 01 48 83 c0 01 <48> 39 c2 76 07 48 89 01 48 89 34 c1 c3 0f 1f 00 41 55 41 54 49 89
RSP: 0018:ffffc90003217b90 EFLAGS: 00000216
RAX: 0000000000040000 RBX: ffff8880b9a44fc0 RCX: ffffc90004432000
RDX: 0000000000040000 RSI: ffffffff816f0a57 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed10173489f9
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
FS: 00007f5967bd5700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5966b9d090 CR3: 000000001c394000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline]
cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
csd_lock_wait kernel/smp.c:414 [inline]
smp_call_function_many_cond+0x497/0x1110 kernel/smp.c:988
clock_was_set+0x599/0x790 kernel/time/hrtimer.c:974
do_settimeofday64 kernel/time/timekeeping.c:1344 [inline]
do_settimeofday64+0x3b9/0x5b0 kernel/time/timekeeping.c:1311
do_sys_settimeofday64 kernel/time/time.c:195 [inline]
do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169
__do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
__x64_sys_clock_settime+0x1a1/0x280 kernel/time/posix-timers.c:1067
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f5966a89109
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5967bd5168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f5966b9bf60 RCX: 00007f5966a89109
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000
RBP: 00007f5966ae305d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1ff84c8f R14: 00007f5967bd5300 R15: 0000000000022000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3604 Comm: syz-fuzzer Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:543 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock+0x132/0x2a0 kernel/locking/spinlock_debug.c:115
Code: 00 00 00 00 e8 af cf 67 00 be 04 00 00 00 48 8d 7c 24 28 e8 a0 cf 67 00 8b 44 24 28 ba 01 00 00 00 89 44 24 04 f0 0f b1 55 00 <0f> 85 91 00 00 00 65 44 8b 35 00 1d a4 7e 48 b8 00 00 00 00 00 fc
RSP: 0000:ffffc90002fa7bb8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff920005f4f78 RCX: ffffffff815dfcb0
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90002fa7be0
RBP: ffffffff9114b9c0 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520005f4f7c R11: 0000000000000001 R12: ffffffff9114b9c8
R13: ffffffff9114b9d0 R14: 1ffff920005f4f90 R15: ffffffff89cec580
FS: 000000c00009a090(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fada95691b8 CR3: 0000000020e2c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x41/0x50 kernel/locking/spinlock.c:162
debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:658
debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
debug_activate kernel/time/hrtimer.c:475 [inline]
enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084
__run_hrtimer kernel/time/hrtimer.c:1702 [inline]
__hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0033:0x40ffd2
Code: 48 8d 51 08 31 db eb 1a 48 8d 05 a9 cd 45 01 31 db 48 8b 6c 24 10 48 83 c4 18 c3 48 ff c3 48 83 c2 04 48 83 fb 08 73 c1 8b 32 <39> 74 24 30 75 eb 0f b6 34 0b 0f 1f 40 00 40 80 fe 01 76 dd 0f b6
RSP: 002b:000000c00538b088 EFLAGS: 00000293
RAX: 000000000069acc0 RBX: 0000000000000000 RCX: 000000c006b95748
RDX: 000000c006b95750 RSI: 00000000da4add7b RDI: 000000000069acc0
RBP: 000000c00538b098 R08: 0000000000000038 R09: 0000000000000000
R10: 000000c001b99520 R11: 000000c0030a5e00 R12: 0000000000000000
R13: 0000000000000000 R14: 000000c000262b60 R15: 00007f9398566384
----------------
Code disassembly (best guess):
0: f1 icebp
1: a4 movsb %ds:(%rsi),%es:(%rdi)
2: 7e 83 jle 0xffffff87
4: f8 clc
5: 01 0f add %ecx,(%rdi)
7: 85 e8 test %ebp,%eax
9: 02 00 add (%rax),%al
b: 00 9c 58 f6 c4 02 0f add %bl,0xf02c4f6(%rax,%rbx,2)
12: 85 fb test %edi,%ebx
14: 02 00 add (%rax),%al
16: 00 48 83 add %cl,-0x7d(%rax)
19: 7c 24 jl 0x3f
1b: 08 00 or %al,(%rax)
1d: 74 01 je 0x20
1f: fb sti
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction
2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx)
3b: 00
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 84 .byte 0x84
3f: 24 .byte 0x24