rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-...!: (10500 ticks this GP) idle=90d/1/0x4000000000000000 softirq=40703/40703 fqs=0
(t=10501 jiffies g=50641 q=162 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g50641 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=32158
rcu: rcu_preempt kthread starved for 10504 jiffies! g50641 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28680 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5106 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6421
schedule+0xd2/0x1f0 kernel/sched/core.c:6493
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1907
rcu_gp_fqs_loop+0x1c0/0x840 kernel/rcu/tree.c:2078
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2267
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 0
CPU: 0 PID: 13419 Comm: syz-executor.5 Not tainted 5.18.0-rc3-next-20220422-syzkaller #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:516
print_cpu_stall kernel/rcu/tree_stall.h:660 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:749 [inline]
rcu_pending kernel/rcu/tree.c:4068 [inline]
rcu_sched_clock_irq.cold+0xfa/0x8fc kernel/rcu/tree.c:2755
update_process_times+0x16d/0x200 kernel/time/timer.c:1811
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1473
__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+0x40/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1058
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c
RSP: 0018:ffffc90000006540 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199
RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd
RBP: ffff88805b6826c8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000
R13: ffffed100b6d04d9 R14: 0000000000000001 R15: ffff8880b9c3ae40
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:354 [inline]
task_lock include/linux/sched/task.h:170 [inline]
__get_task_comm+0x23/0x50 fs/exec.c:1219
__set_page_owner_handle mm/page_owner.c:174 [inline]
__set_page_owner+0x253/0x380 mm/page_owner.c:192
prep_new_page mm/page_alloc.c:2394 [inline]
get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4135
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5356
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2273
alloc_slab_page mm/slub.c:1797 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1942
new_slab mm/slub.c:2002 [inline]
___slab_alloc+0x985/0xd90 mm/slub.c:3002
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089
slab_alloc_node mm/slub.c:3180 [inline]
slab_alloc mm/slub.c:3222 [inline]
__kmem_cache_alloc_lru mm/slub.c:3229 [inline]
kmem_cache_alloc+0x360/0x3b0 mm/slub.c:3239
skb_clone+0x170/0x3c0 net/core/skbuff.c:1520
dev_queue_xmit_nit+0x393/0xb20 net/core/dev.c:2263
xmit_one net/core/dev.c:3532 [inline]
dev_hard_start_xmit+0xad/0x920 net/core/dev.c:3553
sch_direct_xmit+0x19f/0xbe0 net/sched/sch_generic.c:342
__dev_xmit_skb net/core/dev.c:3764 [inline]
__dev_queue_xmit+0x1572/0x3b10 net/core/dev.c:4173
neigh_hh_output include/net/neighbour.h:533 [inline]
neigh_output include/net/neighbour.h:547 [inline]
ip_finish_output2+0x14df/0x2170 net/ipv4/ip_output.c:228
__ip_finish_output net/ipv4/ip_output.c:306 [inline]
__ip_finish_output+0x396/0x650 net/ipv4/ip_output.c:288
ip_finish_output+0x32/0x280 net/ipv4/ip_output.c:316
NF_HOOK_COND include/linux/netfilter.h:296 [inline]
ip_output+0x196/0x310 net/ipv4/ip_output.c:430
dst_output include/net/dst.h:451 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x8fe/0x1c00 net/ipv4/ip_output.c:532
__tcp_transmit_skb+0x190e/0x38b0 net/ipv4/tcp_output.c:1402
tcp_transmit_skb net/ipv4/tcp_output.c:1420 [inline]
tcp_write_xmit+0xd92/0x60e0 net/ipv4/tcp_output.c:2690
__tcp_push_pending_frames+0xaa/0x390 net/ipv4/tcp_output.c:2874
tcp_push_pending_frames include/net/tcp.h:1926 [inline]
tcp_data_snd_check net/ipv4/tcp_input.c:5467 [inline]
tcp_rcv_established+0x19be/0x2030 net/ipv4/tcp_input.c:5884
tcp_v4_do_rcv+0x66c/0x980 net/ipv4/tcp_ipv4.c:1660
tcp_v4_rcv+0x380f/0x3bc0 net/ipv4/tcp_ipv4.c:2074
ip_protocol_deliver_rcu+0xa3/0xb30 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2ee/0x4c0 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:461 [inline]
ip_sublist_rcv_finish+0x9a/0x2c0 net/ipv4/ip_input.c:568
ip_list_rcv_finish net/ipv4/ip_input.c:618 [inline]
ip_sublist_rcv+0x538/0x990 net/ipv4/ip_input.c:626
ip_list_rcv+0x31a/0x470 net/ipv4/ip_input.c:661
__netif_receive_skb_list_ptype net/core/dev.c:5478 [inline]
__netif_receive_skb_list_core+0x548/0x8f0 net/core/dev.c:5526
__netif_receive_skb_list net/core/dev.c:5578 [inline]
netif_receive_skb_list_internal+0x75e/0xd80 net/core/dev.c:5669
gro_normal_list include/net/gro.h:430 [inline]
gro_normal_list include/net/gro.h:426 [inline]
napi_complete_done+0x1f1/0x880 net/core/dev.c:6010
virtqueue_napi_complete drivers/net/virtio_net.c:366 [inline]
virtnet_poll+0xc9b/0x11a0 drivers/net/virtio_net.c:1613
__napi_poll+0xb3/0x6e0 net/core/dev.c:6443
napi_poll net/core/dev.c:6510 [inline]
net_rx_action+0x8ec/0xc60 net/core/dev.c:6597
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
common_interrupt+0xa9/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:640
RIP: 0010:pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:596 [inline]
RIP: 0010:queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline]
RIP: 0010:do_raw_spin_unlock+0x159/0x230 kernel/locking/spinlock_debug.c:141
Code: 7c 08 84 d2 0f 85 91 00 00 00 48 c7 c0 88 bf bf 8b c7 45 08 ff ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 b6 00 00 00 48 83 3d a1 19 61 0a 00 74 4b 48 89 ef e8 2f d8
RSP: 0018:ffffc9001562fb50 EFLAGS: 00000246
RAX: 1ffffffff177f7f1 RBX: ffff88805b681d80 RCX: ffffffff815ea4d0
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff88805b6826c8
RBP: ffff88805b6826c8 R08: 0000000000000000 R09: ffff88805b6826cb
R10: ffffed100b6d04d9 R11: 0000000000000000 R12: ffff88805b6826d0
R13: ffff88805b6826d8 R14: ffff88805b681d80 R15: 0000000000000000
__raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:394 [inline]
task_unlock include/linux/sched/task.h:175 [inline]
exit_mm kernel/exit.c:507 [inline]
do_exit+0x9eb/0x2a00 kernel/exit.c:782
do_group_exit+0xd2/0x2f0 kernel/exit.c:925
get_signal+0x22df/0x24c0 kernel/signal.c:2864
arch_do_signal_or_restart+0x82/0x20f0 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ffa398890e9
Code: Unable to access opcode bytes at RIP 0x7ffa398890bf.
RSP: 002b:00007ffa3aa70218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ffa3999c038 RCX: 00007ffa398890e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ffa3999c038
RBP: 00007ffa3999c030 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa3999c03c
R13: 00007ffde407cc1f R14: 00007ffa3aa70300 R15: 0000000000022000
NMI backtrace for cpu 0
CPU: 0 PID: 13419 Comm: syz-executor.5 Not tainted 5.18.0-rc3-next-20220422-syzkaller #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_dump_cpu_stacks+0x262/0x3f0 kernel/rcu/tree_stall.h:369
print_cpu_stall kernel/rcu/tree_stall.h:665 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:749 [inline]
rcu_pending kernel/rcu/tree.c:4068 [inline]
rcu_sched_clock_irq.cold+0x144/0x8fc kernel/rcu/tree.c:2755
update_process_times+0x16d/0x200 kernel/time/timer.c:1811
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1473
__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+0x40/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1058
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c
RSP: 0018:ffffc90000006540 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199
RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd
RBP: ffff88805b6826c8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000
R13: ffffed100b6d04d9 R14: 0000000000000001 R15: ffff8880b9c3ae40
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:354 [inline]
task_lock include/linux/sched/task.h:170 [inline]
__get_task_comm+0x23/0x50 fs/exec.c:1219
__set_page_owner_handle mm/page_owner.c:174 [inline]
__set_page_owner+0x253/0x380 mm/page_owner.c:192
prep_new_page mm/page_alloc.c:2394 [inline]
get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4135
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5356
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2273
alloc_slab_page mm/slub.c:1797 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1942
new_slab mm/slub.c:2002 [inline]
___slab_alloc+0x985/0xd90 mm/slub.c:3002
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089
slab_alloc_node mm/slub.c:3180 [inline]
slab_alloc mm/slub.c:3222 [inline]
__kmem_cache_alloc_lru mm/slub.c:3229 [inline]
kmem_cache_alloc+0x360/0x3b0 mm/slub.c:3239
skb_clone+0x170/0x3c0 net/core/skbuff.c:1520
dev_queue_xmit_nit+0x393/0xb20 net/core/dev.c:2263
xmit_one net/core/dev.c:3532 [inline]
dev_hard_start_xmit+0xad/0x920 net/core/dev.c:3553
sch_direct_xmit+0x19f/0xbe0 net/sched/sch_generic.c:342
__dev_xmit_skb net/core/dev.c:3764 [inline]
__dev_queue_xmit+0x1572/0x3b10 net/core/dev.c:4173
neigh_hh_output include/net/neighbour.h:533 [inline]
neigh_output include/net/neighbour.h:547 [inline]
ip_finish_output2+0x14df/0x2170 net/ipv4/ip_output.c:228
__ip_finish_output net/ipv4/ip_output.c:306 [inline]
__ip_finish_output+0x396/0x650 net/ipv4/ip_output.c:288
ip_finish_output+0x32/0x280 net/ipv4/ip_output.c:316
NF_HOOK_COND include/linux/netfilter.h:296 [inline]
ip_output+0x196/0x310 net/ipv4/ip_output.c:430
dst_output include/net/dst.h:451 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x8fe/0x1c00 net/ipv4/ip_output.c:532
__tcp_transmit_skb+0x190e/0x38b0 net/ipv4/tcp_output.c:1402
tcp_transmit_skb net/ipv4/tcp_output.c:1420 [inline]
tcp_write_xmit+0xd92/0x60e0 net/ipv4/tcp_output.c:2690
__tcp_push_pending_frames+0xaa/0x390 net/ipv4/tcp_output.c:2874
tcp_push_pending_frames include/net/tcp.h:1926 [inline]
tcp_data_snd_check net/ipv4/tcp_input.c:5467 [inline]
tcp_rcv_established+0x19be/0x2030 net/ipv4/tcp_input.c:5884
tcp_v4_do_rcv+0x66c/0x980 net/ipv4/tcp_ipv4.c:1660
tcp_v4_rcv+0x380f/0x3bc0 net/ipv4/tcp_ipv4.c:2074
ip_protocol_deliver_rcu+0xa3/0xb30 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2ee/0x4c0 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
ip_local_deliver+0x1b3/0x200 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:461 [inline]
ip_sublist_rcv_finish+0x9a/0x2c0 net/ipv4/ip_input.c:568
ip_list_rcv_finish net/ipv4/ip_input.c:618 [inline]
ip_sublist_rcv+0x538/0x990 net/ipv4/ip_input.c:626
ip_list_rcv+0x31a/0x470 net/ipv4/ip_input.c:661
__netif_receive_skb_list_ptype net/core/dev.c:5478 [inline]
__netif_receive_skb_list_core+0x548/0x8f0 net/core/dev.c:5526
__netif_receive_skb_list net/core/dev.c:5578 [inline]
netif_receive_skb_list_internal+0x75e/0xd80 net/core/dev.c:5669
gro_normal_list include/net/gro.h:430 [inline]
gro_normal_list include/net/gro.h:426 [inline]
napi_complete_done+0x1f1/0x880 net/core/dev.c:6010
virtqueue_napi_complete drivers/net/virtio_net.c:366 [inline]
virtnet_poll+0xc9b/0x11a0 drivers/net/virtio_net.c:1613
__napi_poll+0xb3/0x6e0 net/core/dev.c:6443
napi_poll net/core/dev.c:6510 [inline]
net_rx_action+0x8ec/0xc60 net/core/dev.c:6597
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
common_interrupt+0xa9/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:640
RIP: 0010:pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:596 [inline]
RIP: 0010:queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline]
RIP: 0010:do_raw_spin_unlock+0x159/0x230 kernel/locking/spinlock_debug.c:141
Code: 7c 08 84 d2 0f 85 91 00 00 00 48 c7 c0 88 bf bf 8b c7 45 08 ff ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 b6 00 00 00 48 83 3d a1 19 61 0a 00 74 4b 48 89 ef e8 2f d8
RSP: 0018:ffffc9001562fb50 EFLAGS: 00000246
RAX: 1ffffffff177f7f1 RBX: ffff88805b681d80 RCX: ffffffff815ea4d0
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff88805b6826c8
RBP: ffff88805b6826c8 R08: 0000000000000000 R09: ffff88805b6826cb
R10: ffffed100b6d04d9 R11: 0000000000000000 R12: ffff88805b6826d0
R13: ffff88805b6826d8 R14: ffff88805b681d80 R15: 0000000000000000
__raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:394 [inline]
task_unlock include/linux/sched/task.h:175 [inline]
exit_mm kernel/exit.c:507 [inline]
do_exit+0x9eb/0x2a00 kernel/exit.c:782
do_group_exit+0xd2/0x2f0 kernel/exit.c:925
get_signal+0x22df/0x24c0 kernel/signal.c:2864
arch_do_signal_or_restart+0x82/0x20f0 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:166 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ffa398890e9
Code: Unable to access opcode bytes at RIP 0x7ffa398890bf.
RSP: 002b:00007ffa3aa70218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007ffa3999c038 RCX: 00007ffa398890e9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ffa3999c038
RBP: 00007ffa3999c030 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa3999c03c
R13: 00007ffde407cc1f R14: 00007ffa3aa70300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: fa cli
1: 83 e2 07 and $0x7,%edx
4: 38 d0 cmp %dl,%al
6: 7f 04 jg 0xc
8: 84 c0 test %al,%al
a: 75 63 jne 0x6f
c: 0f b6 07 movzbl (%rdi),%eax
f: 40 38 c6 cmp %al,%sil
12: 74 35 je 0x49
14: 48 83 c4 10 add $0x10,%rsp
18: c3 retq
19: c3 retq
1a: e8 23 91 4b 00 callq 0x4b9142
1f: eb 07 jmp 0x28
21: 0f 00 2d da b1 94 08 verw 0x894b1da(%rip) # 0x894b202
28: fb sti
29: f4 hlt
* 2a: 48 83 c4 10 add $0x10,%rsp <-- trapping instruction
2e: c3 retq
2f: 89 74 24 0c mov %esi,0xc(%rsp)
33: 48 89 3c 24 mov %rdi,(%rsp)
37: e8 56 8f 4b 00 callq 0x4b8f92
3c: 8b 74 24 0c mov 0xc(%rsp),%esi