======================================
| [ 25.611220][ C2] #2: ffffffff9bf59060 (rcu_read_lock){....}-{1:3}, at: gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
| [ 25.611509][ C2] #3: ffffffff9bf59060 (rcu_read_lock){....}-{1:3}, at: gro_cells_receive (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/core/gro_cells.c:19)
| [   25.611799][    C2]
| [   25.611799][    C2] stack backtrace:
[   25.612250][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.612461][    C2] Call Trace:
[   25.612586][    C2]  <IRQ>
[ 25.612678][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 25.612845][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4041)
[ 25.613011][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 25.613187][ C2] mark_lock_irq (kernel/locking/lockdep.c:4006 kernel/locking/lockdep.c:4052 kernel/locking/lockdep.c:4263)
[ 25.613353][ C2] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4254)
[ 25.613518][ C2] ? stack_trace_save (kernel/stacktrace.c:123)
[ 25.613687][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 25.613853][ C2] ? fib_table_lookup (net/ipv4/fib_trie.c:1634)
[ 25.614020][ C2] ? save_trace (kernel/locking/lockdep.c:588)
[ 25.614184][ C2] mark_lock (kernel/locking/lockdep.c:4749)
[ 25.614309][ C2] mark_usage (kernel/locking/lockdep.c:4638)
[ 25.614432][ C2] __lock_acquire (kernel/locking/lockdep.c:5180)
[ 25.614600][ C2] ? fib_rules_lookup (net/core/fib_rules.c:295)
[ 25.614770][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 25.614936][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 25.615140][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 25.615305][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.615468][ C2] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 25.615592][ C2] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 25.615768][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 25.615932][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 25.616136][ C2] fs_reclaim_acquire (mm/page_alloc.c:3854 mm/page_alloc.c:3867)
[ 25.616304][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 25.616506][ C2] kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 25.616710][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 25.616881][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 25.617050][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 25.617213][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 25.617378][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.617542][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 25.617707][ C2] skb_copy (net/core/skbuff.c:2221)
[ 25.617832][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 25.617994][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 25.618160][ C2] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 25.618331][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 25.618494][ C2] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 25.618662][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 25.618828][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 25.618992][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 25.619156][ C2] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 25.619321][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 25.619488][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 25.619655][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 25.619818][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 25.619981][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 25.620145][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 25.620318][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 25.620441][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 25.620609][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.620774][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 25.620941][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.621106][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 25.621268][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.621433][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 25.621640][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 25.621850][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 25.622015][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.622183][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 25.622349][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 25.622514][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 25.622679][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.622844][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 25.623014][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326)
[ 25.623185][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 25.623353][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 25.623480][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 25.623687][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 25.623853][ C2] handle_softirqs (kernel/softirq.c:561)
[ 25.624019][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 25.624188][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   25.624313][    C2]  </IRQ>
[   25.624398][    C2]  <TASK>
[ 25.624481][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 25.624646][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 25.624811][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 25.624977][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 25.625141][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 25.625314][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 25.625481][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 25.625647][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 25.625852][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 25.626018][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 25.626185][ C2] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 25.626351][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 25.626523][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 25.626688][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.626851][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 25.627013][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 25.627178][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 25.627342][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 25.627505][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 25.627672][ C2] ? sock_ioctl (net/socket.c:1342)
[ 25.627841][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 25.628008][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 25.628175][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 25.628342][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 25.628505][ C2] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 25.628711][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 25.628875][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   25.629086][    C2] RIP: 0033:0x7f90f90b0a4a
[ 25.629268][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   25.629850][    C2] RSP: 002b:00007ffc52ce4e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   25.630104][    C2] RAX: ffffffffffffffda RBX: 000000003696a9d0 RCX: 00007f90f90b0a4a
[   25.630363][    C2] RDX: 000000000000002a RSI: 000000003696ac92 RDI: 0000000000000005
[   25.630616][    C2] RBP: 000000003696ac92 R08: 00007ffc52ce4e90 R09: 0000000000000014
[   25.630862][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   25.631114][    C2] R13: 000000000000002a R14: 00007ffc52ce4e90 R15: 0000000000000000
| [   25.631851][    C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 403, name: mausezahn
| [   25.632142][    C2] preempt_count: 101, expected: 0
| [   25.632315][    C2] RCU nest depth: 4, expected: 0
| [   25.632487][    C2] INFO: lockdep is turned off.
[   25.632894][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.633087][    C2] Call Trace:
[   25.633212][    C2]  <IRQ>
[ 25.633293][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 25.633458][ C2] __might_resched (kernel/sched/core.c:8759)
[ 25.633615][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 25.633819][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 25.634010][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 25.634168][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 25.634325][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 25.634480][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 25.634635][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.634791][ C2] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 25.634951][ C2] skb_copy (net/core/skbuff.c:2221)
[ 25.635069][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 25.635226][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 25.635384][ C2] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 25.635541][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 25.635697][ C2] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 25.635855][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 25.636018][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 25.636176][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 25.636360][ C2] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 25.636516][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 25.636673][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 25.636829][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 25.636983][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 25.637143][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 25.637300][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 25.637457][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 25.637574][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 25.637732][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.637889][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 25.638044][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.638206][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 25.638359][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.638513][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 25.638706][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 25.638899][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 25.639055][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 25.639212][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 25.639367][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 25.639523][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 25.639679][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.639834][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 25.639990][ C2] ? clockevents_program_event (kernel/time/clockevents.c:326)
[ 25.640147][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 25.640310][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 25.640430][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 25.640627][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 25.640782][ C2] handle_softirqs (kernel/softirq.c:561)
[ 25.640939][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 25.641092][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   25.641210][    C2]  </IRQ>
[   25.641291][    C2]  <TASK>
[ 25.641370][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 25.641530][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 25.641686][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 25.641843][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 25.641998][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 25.642154][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 25.642310][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 25.642464][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 25.642662][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 25.642819][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 25.642975][ C2] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 25.643129][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 25.643286][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 25.643439][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 25.643594][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 25.643749][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 25.643907][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 25.644064][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 25.644222][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 25.644378][ C2] ? sock_ioctl (net/socket.c:1342)
[ 25.644531][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 25.644687][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 25.644843][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 25.645000][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 25.645155][ C2] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 25.645346][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 25.645502][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   25.645699][    C2] RIP: 0033:0x7f90f90b0a4a
[ 25.645873][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   25.646418][    C2] RSP: 002b:00007ffc52ce4e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   25.646660][    C2] RAX: ffffffffffffffda RBX: 000000003696a9d0 RCX: 00007f90f90b0a4a
[   25.646891][    C2] RDX: 000000000000002a RSI: 000000003696ac92 RDI: 0000000000000005
[   25.647129][    C2] RBP: 000000003696ac92 R08: 00007ffc52ce4e90 R09: 0000000000000014
[   25.647368][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   25.647606][    C2] R13: 000000000000002a R14: 00007ffc52ce4e90 R15: 0000000000000000
| [   27.702922][    C0] preempt_count: 101, expected: 0
| [   27.703178][    C0] RCU nest depth: 4, expected: 0
| [   27.703424][    C0] INFO: lockdep is turned off.
| [   27.704194][    C0] Tainted: [W]=WARN
[   27.704396][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.704731][    C0] Call Trace:
[   27.704935][    C0]  <IRQ>
[ 27.705063][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 27.705322][ C0] __might_resched (kernel/sched/core.c:8759)
[ 27.705571][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.705882][ C0] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.706212][ C0] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 27.706507][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 27.706791][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 27.707050][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 27.707301][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 27.707557][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.707803][ C0] skb_copy (net/core/skbuff.c:2221)
[ 27.708000][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 27.708256][ C0] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 27.708515][ C0] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 27.708778][ C0] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 27.709037][ C0] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 27.709296][ C0] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 27.709548][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 27.709791][ C0] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 27.710055][ C0] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 27.710336][ C0] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 27.710598][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.710856][ C0] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 27.711117][ C0] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 27.711360][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 27.711620][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 27.711877][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 27.712144][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 27.712390][ C0] ? sock_def_write_space (net/core/sock.c:3502)
[ 27.712645][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 27.712908][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 27.713166][ C0] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 27.713414][ C0] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 27.713599][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 27.713843][ C0] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 27.714104][ C0] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 27.714359][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.714604][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 27.714843][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.715097][ C0] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 27.715414][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 27.715697][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.715882][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.716048][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 27.716206][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 27.716408][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 27.716572][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 27.716762][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.716921][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 27.717096][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 27.717270][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 27.717436][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 27.717556][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 27.717766][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 27.717926][ C0] handle_softirqs (kernel/softirq.c:561)
[ 27.718087][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 27.718251][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   27.718370][    C0]  </IRQ>
[   27.718452][    C0]  <TASK>
[ 27.718533][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 27.718689][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 27.718915][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 27.719176][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 27.719407][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 27.719579][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 27.719751][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 27.719920][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 27.720119][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 27.720363][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 27.720527][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.720687][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 27.720872][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 27.721035][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.721192][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.721350][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 27.721505][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 27.721663][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 27.721829][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 27.721996][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 27.722160][ C0] ? sock_ioctl (net/socket.c:1342)
[ 27.722316][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 27.722472][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 27.722627][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 27.722793][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 27.722947][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 27.723111][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 27.723314][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 27.723471][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   27.723667][    C0] RIP: 0033:0x7f5ea5e9da4a
[ 27.723892][ C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   27.724776][    C0] RSP: 002b:00007ffc30672538 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   27.725055][    C0] RAX: ffffffffffffffda RBX: 00000000107af9d0 RCX: 00007f5ea5e9da4a
[   27.725356][    C0] RDX: 000000000000002a RSI: 00000000107afc92 RDI: 0000000000000005
[   27.725707][    C0] RBP: 00000000107afc92 R08: 00007ffc30672540 R09: 0000000000000014
[   27.726019][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   27.726416][    C0] R13: 000000000000002a R14: 00007ffc30672540 R15: 0000000000000000
| [   29.741784][    C2] preempt_count: 101, expected: 0
| [   29.741967][    C2] RCU nest depth: 4, expected: 0
| [   29.742153][    C2] INFO: lockdep is turned off.
| [   29.742655][    C2] Tainted: [W]=WARN
[   29.742778][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.742979][    C2] Call Trace:
[   29.743100][    C2]  <IRQ>
[ 29.743183][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 29.743350][ C2] __might_resched (kernel/sched/core.c:8759)
[ 29.743510][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 29.743705][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 29.743899][ C2] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 29.744068][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 29.744225][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 29.744384][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 29.744539][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 29.744696][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 29.744852][ C2] skb_copy (net/core/skbuff.c:2221)
[ 29.744980][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 29.745148][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 29.745314][ C2] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 29.745469][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 29.745625][ C2] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 29.745783][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 29.745956][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 29.746177][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 29.746377][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 29.746602][ C2] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 29.746855][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 29.747098][ C2] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 29.747259][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 29.747419][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 29.747579][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 29.747738][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 29.747903][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 29.748065][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 29.748223][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 29.748380][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 29.748540][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 29.748694][ C2] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 29.748856][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 29.748987][ C2] ? __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2418)
[ 29.749144][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 29.749301][ C2] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116)
[ 29.749455][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 29.749611][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 29.749769][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 29.749937][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 29.750129][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 29.750341][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 29.750499][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 29.750656][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 29.750812][ C2] ? tmigr_handle_remote_cpu (kernel/time/timer_migration.c:891)
[ 29.750977][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 29.751135][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 29.751297][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 29.751456][ C2] ? __pfx_trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 29.751653][ C2] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 29.751812][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 29.751973][ C2] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1045)
[ 29.752128][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 29.752287][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 29.752407][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 29.752614][ C2] handle_softirqs (kernel/softirq.c:561)
[ 29.752772][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 29.752933][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   29.753052][    C2]  </IRQ>
[   29.753132][    C2]  <TASK>
[ 29.753213][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 29.753368][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 29.753523][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 29.753688][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 29.753843][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 29.754004][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 29.754161][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 29.754319][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 29.754516][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 29.754680][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 29.754839][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 29.754999][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 29.755158][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 29.755313][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 29.755466][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 29.755623][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 29.755778][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 29.755994][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 29.756226][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 29.756474][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 29.756732][ C2] ? sock_ioctl (net/socket.c:1342)
[ 29.756977][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 29.757229][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 29.757480][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 29.757734][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 29.757991][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 29.758242][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 29.758551][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 29.758803][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   29.759117][    C2] RIP: 0033:0x7fb3b5f26a4a
[ 29.759374][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   29.760259][    C2] RSP: 002b:00007ffc17935708 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   29.760622][    C2] RAX: ffffffffffffffda RBX: 000000002aed89d0 RCX: 00007fb3b5f26a4a
[   29.760990][    C2] RDX: 000000000000002a RSI: 000000002aed8c92 RDI: 0000000000000005
[   29.761366][    C2] RBP: 000000002aed8c92 R08: 00007ffc17935710 R09: 0000000000000014
[   29.761740][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   29.762110][    C2] R13: 000000000000002a R14: 00007ffc17935710 R15: 0000000000000000
| [   31.798786][    C3] preempt_count: 101, expected: 0
| [   31.799014][    C3] RCU nest depth: 4, expected: 0
| [   31.799252][    C3] INFO: lockdep is turned off.
| [   31.799933][    C3] Tainted: [W]=WARN
[   31.800100][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.800372][    C3] Call Trace:
[   31.800518][    C3]  <IRQ>
[ 31.800627][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 31.800833][ C3] __might_resched (kernel/sched/core.c:8759)
[ 31.801028][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 31.801300][ C3] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 31.801535][ C3] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 31.801720][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 31.801922][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 31.802162][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 31.802376][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 31.802566][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 31.802766][ C3] skb_copy (net/core/skbuff.c:2221)
[ 31.802915][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 31.803116][ C3] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 31.803305][ C3] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 31.803495][ C3] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 31.803708][ C3] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 31.803908][ C3] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 31.804112][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 31.804320][ C3] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 31.804514][ C3] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 31.804714][ C3] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 31.804933][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 31.805135][ C3] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 31.805349][ C3] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 31.805547][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 31.805743][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 31.805943][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 31.806149][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 31.806340][ C3] ? sock_def_write_space (net/core/sock.c:3502)
[ 31.806546][ C3] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 31.806754][ C3] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 31.806947][ C3] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 31.807168][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 31.807313][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 31.807510][ C3] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 31.807701][ C3] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 31.807911][ C3] ? place_entity (kernel/sched/fair.c:5280)
[ 31.808137][ C3] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 31.808334][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 31.808520][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 31.808733][ C3] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 31.809022][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 31.809283][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 31.809503][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 31.809706][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 31.809947][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 31.810201][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 31.810463][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 31.810692][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 31.810902][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 31.811182][ C3] handle_softirqs (kernel/softirq.c:561)
[ 31.811508][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 31.811700][ C3] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   31.811860][    C3]  </IRQ>
[   31.811976][    C3]  <TASK>
[ 31.812104][ C3] __local_bh_enable_ip (kernel/softirq.c:389)
[ 31.812352][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 31.812599][ C3] __dev_queue_xmit (net/core/dev.c:4511)
[ 31.812852][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 31.813135][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 31.813404][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 31.813621][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 31.813828][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 31.814103][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 31.814350][ C3] packet_snd (net/packet/af_packet.c:3132)
[ 31.814585][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 31.814811][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 31.815006][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 31.815214][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 31.815409][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 31.815616][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 31.815799][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 31.816001][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 31.816213][ C3] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 31.816434][ C3] ? __pfx___sys_sendto (net/socket.c:2175)
[ 31.816656][ C3] ? trace_rcu_future_grace_period (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:107)
[ 31.816972][ C3] ? sock_ioctl (net/socket.c:1342)
[ 31.817222][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 31.817410][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 31.817652][ C3] ? __local_bh_enable (kernel/softirq.c:350)
[ 31.817868][ C3] __x64_sys_sendto (net/socket.c:2211)
[ 31.818072][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 31.818326][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 31.818533][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   31.818787][    C3] RIP: 0033:0x7f50b78f6a4a
[ 31.819047][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   31.819899][    C3] RSP: 002b:00007ffe5c5fe8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   31.820263][    C3] RAX: ffffffffffffffda RBX: 000000003d5069d0 RCX: 00007f50b78f6a4a
[   31.820583][    C3] RDX: 000000000000002a RSI: 000000003d506c92 RDI: 0000000000000005
[   31.820856][    C3] RBP: 000000003d506c92 R08: 00007ffe5c5fe8c0 R09: 0000000000000014
[   31.821119][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   31.821376][    C3] R13: 000000000000002a R14: 00007ffe5c5fe8c0 R15: 0000000000000000
| [   34.037105][    C2] preempt_count: 101, expected: 0
| [   34.037494][    C2] RCU nest depth: 4, expected: 0
| [   34.037780][    C2] INFO: lockdep is turned off.
| [   34.038593][    C2] Tainted: [W]=WARN
[   34.038832][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.039171][    C2] Call Trace:
[   34.039370][    C2]  <IRQ>
[ 34.039510][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 34.039792][ C2] __might_resched (kernel/sched/core.c:8759)
[ 34.040057][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 34.040407][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 34.040743][ C2] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 34.041028][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 34.041303][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 34.041568][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 34.041830][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 34.042110][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 34.042365][ C2] skb_copy (net/core/skbuff.c:2221)
[ 34.042560][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 34.042844][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 34.043121][ C2] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 34.043361][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 34.043617][ C2] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 34.043817][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 34.043989][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 34.044184][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 34.044371][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 34.044543][ C2] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 34.044723][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 34.044909][ C2] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 34.045094][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 34.045278][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 34.045451][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 34.045629][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 34.045801][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 34.045981][ C2] ? sock_def_write_space (net/core/sock.c:3502)
[ 34.046169][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 34.046370][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 34.046547][ C2] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 34.046769][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 34.046892][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 34.047064][ C2] ? check_preempt_wakeup_fair (kernel/sched/fair.c:8880)
[ 34.047288][ C2] ? wakeup_preempt (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/thread_info.h:126 ./include/linux/sched.h:2020 ./include/linux/sched.h:2036 kernel/sched/core.c:2190 kernel/sched/core.c:2177)
[ 34.047442][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 34.047614][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 34.047770][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 34.048016][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 34.048216][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 34.048419][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 34.048572][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 34.048729][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 34.048887][ C2] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 34.049090][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 34.049264][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 34.049426][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 34.049590][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 34.049748][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 34.049905][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 34.050064][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 34.050206][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 34.050404][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 34.050558][ C2] handle_softirqs (kernel/softirq.c:561)
[ 34.050724][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 34.050890][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   34.051009][    C2]  </IRQ>
[   34.051094][    C2]  <TASK>
[ 34.051176][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 34.051330][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 34.051486][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 34.051652][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 34.051826][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 34.051997][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 34.052174][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 34.052341][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 34.052556][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 34.052721][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 34.052891][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 34.053062][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 34.053234][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 34.053401][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 34.053562][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 34.053723][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 34.053885][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 34.054056][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 34.054238][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 34.054403][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 34.054566][ C2] ? sock_ioctl (net/socket.c:1342)
[ 34.054731][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 34.054895][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 34.055062][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 34.055230][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 34.055392][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 34.055569][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 34.055774][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 34.055944][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   34.056159][    C2] RIP: 0033:0x7f942014fa4a
[ 34.056355][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   34.056951][    C2] RSP: 002b:00007ffc1651f878 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   34.057226][    C2] RAX: ffffffffffffffda RBX: 00000000048729d0 RCX: 00007f942014fa4a
[   34.057476][    C2] RDX: 000000000000002a RSI: 0000000004872c92 RDI: 0000000000000005
[   34.057721][    C2] RBP: 0000000004872c92 R08: 00007ffc1651f880 R09: 0000000000000014
[   34.057979][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   34.058240][    C2] R13: 000000000000002a R14: 00007ffc1651f880 R15: 0000000000000000
| [   36.050744][    C3] preempt_count: 101, expected: 0
| [   36.050898][    C3] RCU nest depth: 4, expected: 0
| [   36.051052][    C3] INFO: lockdep is turned off.
| [   36.051629][    C3] Tainted: [W]=WARN
[   36.051755][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.051963][    C3] Call Trace:
[   36.052084][    C3]  <IRQ>
[ 36.052170][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 36.052339][ C3] __might_resched (kernel/sched/core.c:8759)
[ 36.052503][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 36.052700][ C3] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 36.052897][ C3] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 36.053056][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 36.053219][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 36.053387][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 36.053547][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 36.053708][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 36.053865][ C3] skb_copy (net/core/skbuff.c:2221)
[ 36.053985][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 36.054147][ C3] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 36.054312][ C3] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 36.054483][ C3] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 36.054648][ C3] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 36.054813][ C3] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 36.054977][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 36.055147][ C3] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 36.055304][ C3] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 36.055465][ C3] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 36.055622][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 36.055777][ C3] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 36.055935][ C3] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 36.056094][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 36.056255][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 36.056416][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 36.056573][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 36.056730][ C3] ? __hrtimer_start_range_ns (kernel/time/hrtimer.c:1251)
[ 36.056890][ C3] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 36.057050][ C3] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 36.057205][ C3] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 36.057365][ C3] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 36.057490][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 36.057645][ C3] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 36.057801][ C3] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 36.057960][ C3] ? place_entity (kernel/sched/fair.c:5280)
[ 36.058114][ C3] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 36.058284][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 36.058438][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 36.058605][ C3] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 36.058798][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 36.058991][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 36.059146][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 36.059304][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 36.059462][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 36.059617][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 36.059776][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 36.059942][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 36.060100][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 36.060307][ C3] handle_softirqs (kernel/softirq.c:561)
[ 36.060466][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 36.060622][ C3] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   36.060739][    C3]  </IRQ>
[   36.060822][    C3]  <TASK>
[ 36.060902][ C3] __local_bh_enable_ip (kernel/softirq.c:389)
[ 36.061065][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 36.061220][ C3] __dev_queue_xmit (net/core/dev.c:4511)
[ 36.061378][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 36.061534][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 36.061693][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 36.061851][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 36.062019][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 36.062216][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 36.062374][ C3] packet_snd (net/packet/af_packet.c:3132)
[ 36.062531][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 36.062689][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 36.062847][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 36.063002][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 36.063156][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 36.063315][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 36.063470][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 36.063626][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 36.063782][ C3] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 36.063939][ C3] ? __pfx___sys_sendto (net/socket.c:2175)
[ 36.064096][ C3] ? sock_ioctl (net/socket.c:1342)
[ 36.064256][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 36.064415][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 36.064575][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 36.064733][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 36.064891][ C3] __x64_sys_sendto (net/socket.c:2211)
[ 36.065047][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 36.065257][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 36.065419][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   36.065621][    C3] RIP: 0033:0x7f560a442a4a
[ 36.065784][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   36.066327][    C3] RSP: 002b:00007ffe0a70d8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   36.066562][    C3] RAX: ffffffffffffffda RBX: 000000001628f9d0 RCX: 00007f560a442a4a
[   36.066803][    C3] RDX: 000000000000002a RSI: 000000001628fc92 RDI: 0000000000000005
[   36.067034][    C3] RBP: 000000001628fc92 R08: 00007ffe0a70d900 R09: 0000000000000014
[   36.067266][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   36.067501][    C3] R13: 000000000000002a R14: 00007ffe0a70d900 R15: 0000000000000000
| [   38.057418][    C2] preempt_count: 101, expected: 0
| [   38.057603][    C2] RCU nest depth: 4, expected: 0
| [   38.057783][    C2] INFO: lockdep is turned off.
| [   38.058323][    C2] Tainted: [W]=WARN
[   38.058457][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.058670][    C2] Call Trace:
[   38.058801][    C2]  <IRQ>
[ 38.058889][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 38.059071][ C2] __might_resched (kernel/sched/core.c:8759)
[ 38.059247][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 38.059469][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 38.059691][ C2] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 38.059872][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 38.060049][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 38.060234][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 38.060407][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 38.060582][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 38.060780][ C2] skb_copy (net/core/skbuff.c:2221)
[ 38.060923][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 38.061098][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 38.061275][ C2] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 38.061450][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 38.061622][ C2] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 38.061796][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 38.061970][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 38.062150][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 38.062326][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 38.062496][ C2] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 38.062666][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 38.062837][ C2] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 38.063008][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 38.063180][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 38.063359][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 38.063532][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 38.063707][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 38.063877][ C2] ? sock_def_write_space (net/core/sock.c:3502)
[ 38.064050][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 38.064224][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 38.064396][ C2] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 38.064577][ C2] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 38.064707][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 38.064877][ C2] ? enqueue_hrtimer (kernel/time/hrtimer.c:1085 (discriminator 3))
[ 38.065053][ C2] ? __hrtimer_start_range_ns (kernel/time/hrtimer.c:1251)
[ 38.065226][ C2] ? hrtimer_start_range_ns (kernel/time/hrtimer.c:176 kernel/time/hrtimer.c:1291)
[ 38.065396][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 38.065570][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 38.065744][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 38.065964][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 38.066181][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 38.066352][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 38.066524][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 38.066700][ C2] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 38.066918][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 38.067086][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 38.067267][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 38.067436][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 38.067609][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 38.067782][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 38.067954][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 38.068084][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 38.068304][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 38.068480][ C2] handle_softirqs (kernel/softirq.c:561)
[ 38.068660][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 38.068850][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   38.068982][    C2]  </IRQ>
[   38.069070][    C2]  <TASK>
[ 38.069156][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 38.069329][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 38.069499][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 38.069688][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 38.069858][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 38.070033][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 38.070213][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 38.070386][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 38.070598][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 38.070779][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 38.070952][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 38.071126][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 38.071302][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 38.071471][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 38.071640][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 38.071813][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 38.071984][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 38.072162][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 38.072334][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 38.072513][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 38.072684][ C2] ? sock_ioctl (net/socket.c:1342)
[ 38.072856][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 38.073028][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 38.073199][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 38.073370][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 38.073548][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 38.073717][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 38.073932][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 38.074102][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   38.074318][    C2] RIP: 0033:0x7fba2d763a4a
[ 38.074496][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   38.075104][    C2] RSP: 002b:00007fff4617fb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   38.075364][    C2] RAX: ffffffffffffffda RBX: 000000001a5ae9d0 RCX: 00007fba2d763a4a
[   38.075619][    C2] RDX: 000000000000002a RSI: 000000001a5aec92 RDI: 0000000000000005
[   38.075880][    C2] RBP: 000000001a5aec92 R08: 00007fff4617fb90 R09: 0000000000000014
[   38.076134][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   38.076391][    C2] R13: 000000000000002a R14: 00007fff4617fb90 R15: 0000000000000000
| [   40.118021][    C0] preempt_count: 101, expected: 0
| [   40.118194][    C0] RCU nest depth: 4, expected: 0
| [   40.118349][    C0] INFO: lockdep is turned off.
| [   40.118838][    C0] Tainted: [W]=WARN
[   40.118961][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.119162][    C0] Call Trace:
[   40.119282][    C0]  <IRQ>
[ 40.119363][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 40.119530][ C0] __might_resched (kernel/sched/core.c:8759)
[ 40.119692][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 40.119896][ C0] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 40.120093][ C0] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 40.120267][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 40.120450][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 40.120608][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 40.120765][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 40.120933][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 40.121093][ C0] skb_copy (net/core/skbuff.c:2221)
[ 40.121216][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 40.121378][ C0] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 40.121545][ C0] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 40.121715][ C0] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 40.121872][ C0] ? __iptunnel_pull_header (./include/linux/skbuff.h:1679 ./include/linux/skbuff.h:5079 ./include/net/ip_tunnels.h:615 net/ipv4/ip_tunnel_core.c:121)
[ 40.122035][ C0] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 40.122195][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 40.122352][ C0] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 40.122509][ C0] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 40.122665][ C0] ? trace_lock_acquire (./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/lock.h:24)
[ 40.122825][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 40.122983][ C0] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 40.123140][ C0] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 40.123296][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 40.123456][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 40.123613][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 40.123769][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 40.123931][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 40.124088][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 40.124243][ C0] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 40.124401][ C0] ip_rcv (./include/net/dst.h:469 net/ipv4/ip_input.c:447 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:567)
[ 40.124519][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 40.124676][ C0] ? enqueue_hrtimer (kernel/time/hrtimer.c:1085 (discriminator 3))
[ 40.124832][ C0] ? __hrtimer_start_range_ns (kernel/time/hrtimer.c:1251)
[ 40.124987][ C0] ? hrtimer_start_range_ns (kernel/time/hrtimer.c:176 kernel/time/hrtimer.c:1291)
[ 40.125145][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 40.125298][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 40.125459][ C0] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 40.125653][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 40.125848][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 40.126001][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 40.126158][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 40.126319][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 40.126519][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 40.126674][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 40.126834][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 40.126997][ C0] ? trace_rcu_segcb_stats (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:570 ./include/linux/cpumask.h:1117 ./include/trace/events/rcu.h:537)
[ 40.127156][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 40.127310][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 40.127516][ C0] ? note_gp_changes (kernel/rcu/tree.c:1331 (discriminator 31))
[ 40.127679][ C0] handle_softirqs (kernel/softirq.c:561)
[ 40.127850][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 40.128006][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   40.128126][    C0]  </IRQ>
[   40.128206][    C0]  <TASK>
[ 40.128285][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 40.128441][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 40.128601][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 40.128759][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 40.128913][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 40.129071][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 40.129264][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 40.129420][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 40.129580][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 40.129773][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 40.129934][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 40.130091][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 40.130258][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 40.130416][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 40.130572][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 40.130728][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 40.130890][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 40.131044][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 40.131199][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 40.131354][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 40.131509][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 40.131667][ C0] ? sock_ioctl (net/socket.c:1342)
[ 40.131826][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 40.131982][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 40.132141][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 40.132298][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 40.132455][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 40.132609][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 40.132803][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 40.132960][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   40.133158][    C0] RIP: 0033:0x7ff667b13a4a
[ 40.133325][ C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   40.133871][    C0] RSP: 002b:00007ffd32b2f598 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   40.134107][    C0] RAX: ffffffffffffffda RBX: 0000000036e519d0 RCX: 00007ff667b13a4a
[   40.134347][    C0] RDX: 000000000000002a RSI: 0000000036e51c92 RDI: 0000000000000005
[   40.134578][    C0] RBP: 0000000036e51c92 R08: 00007ffd32b2f5a0 R09: 0000000000000014
[   40.134807][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   40.135040][    C0] R13: 000000000000002a R14: 00007ffd32b2f5a0 R15: 0000000000000000
| [   42.390769][    C2] preempt_count: 101, expected: 0
| [   42.390969][    C2] RCU nest depth: 3, expected: 0
| [   42.391165][    C2] INFO: lockdep is turned off.
| [   42.391690][    C2] Tainted: [W]=WARN
[   42.391818][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.392021][    C2] Call Trace:
[   42.392149][    C2]  <IRQ>
[ 42.392229][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 42.392401][ C2] __might_resched (kernel/sched/core.c:8759)
[ 42.392563][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 42.392772][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 42.392970][ C2] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 42.393131][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 42.393291][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 42.393445][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 42.393599][ C2] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 42.393793][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 42.393951][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 42.394099][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 42.394250][ C2] skb_copy (net/core/skbuff.c:2221)
[ 42.394367][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 42.394535][ C2] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 42.394735][ C2] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 42.394970][ C2] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 42.395128][ C2] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 42.395287][ C2] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 42.395459][ C2] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 42.395620][ C2] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 42.395784][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 42.395942][ C2] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 42.396111][ C2] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 42.396233][ C2] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 42.396397][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 42.396555][ C2] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 42.396711][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 42.396873][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 42.397028][ C2] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 42.397143][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 42.397299][ C2] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 42.397457][ C2] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 42.397613][ C2] ? place_entity (kernel/sched/fair.c:5280)
[ 42.397774][ C2] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 42.397933][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 42.398081][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 42.398238][ C2] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 42.398433][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 42.398625][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 42.398788][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 42.398948][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 42.399116][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 42.399286][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 42.399445][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 42.399604][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 42.399774][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 42.399985][ C2] handle_softirqs (kernel/softirq.c:561)
[ 42.400172][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 42.400349][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   42.400489][    C2]  </IRQ>
[   42.400570][    C2]  <TASK>
[ 42.400653][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 42.400825][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 42.400985][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 42.401141][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 42.401301][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 42.401460][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 42.401620][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 42.401783][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 42.401988][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 42.402159][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 42.402312][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 42.402464][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 42.402619][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 42.402777][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 42.402930][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 42.403080][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 42.403233][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 42.403383][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 42.403535][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 42.403691][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 42.403848][ C2] ? sock_ioctl (net/socket.c:1342)
[ 42.404007][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 42.404161][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 42.404313][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 42.404468][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 42.404622][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 42.404774][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 42.404966][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 42.405126][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   42.405321][    C2] RIP: 0033:0x7f51a5bc1a4a
[ 42.405483][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   42.406053][    C2] RSP: 002b:00007ffdd79a1448 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.406295][    C2] RAX: ffffffffffffffda RBX: 00000000129e89d0 RCX: 00007f51a5bc1a4a
[   42.406532][    C2] RDX: 000000000000002a RSI: 00000000129e8c92 RDI: 0000000000000005
[   42.406784][    C2] RBP: 00000000129e8c92 R08: 00007ffdd79a1450 R09: 0000000000000014
[   42.407015][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   42.407250][    C2] R13: 000000000000002a R14: 00007ffdd79a1450 R15: 0000000000000000
| [   44.417965][    C3] preempt_count: 101, expected: 0
| [   44.418131][    C3] RCU nest depth: 3, expected: 0
| [   44.418288][    C3] INFO: lockdep is turned off.
| [   44.418753][    C3] Tainted: [W]=WARN
[   44.418878][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.419073][    C3] Call Trace:
[   44.419190][    C3]  <IRQ>
[ 44.419269][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 44.419432][ C3] __might_resched (kernel/sched/core.c:8759)
[ 44.419591][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 44.419790][ C3] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 44.419983][ C3] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 44.420148][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 44.420311][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 44.420465][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 44.420626][ C3] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 44.420834][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 44.420996][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 44.421153][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 44.421305][ C3] skb_copy (net/core/skbuff.c:2221)
[ 44.421425][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 44.421587][ C3] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 44.421795][ C3] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 44.422031][ C3] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 44.422192][ C3] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 44.422359][ C3] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 44.422519][ C3] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 44.422678][ C3] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 44.422851][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 44.423016][ C3] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 44.423176][ C3] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 44.423292][ C3] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 44.423448][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 44.423603][ C3] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 44.423760][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 44.423915][ C3] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 44.424039][ C3] ? __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2418)
[ 44.424199][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 44.424357][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 44.424542][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 44.424696][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 44.424849][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 44.425004][ C3] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 44.425189][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 44.425378][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 44.425531][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 44.425683][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 44.425837][ C3] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 44.426027][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 44.426179][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 44.426331][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 44.426483][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 44.426639][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 44.426788][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 44.426943][ C3] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 44.427061][ C3] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 44.427255][ C3] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 44.427407][ C3] handle_softirqs (kernel/softirq.c:561)
[ 44.427559][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 44.427714][ C3] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   44.427828][    C3]  </IRQ>
[   44.427906][    C3]  <TASK>
[ 44.427983][ C3] __local_bh_enable_ip (kernel/softirq.c:389)
[ 44.428134][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 44.428286][ C3] __dev_queue_xmit (net/core/dev.c:4511)
[ 44.428440][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 44.428591][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 44.428758][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 44.428913][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 44.429064][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 44.429254][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 44.429406][ C3] packet_snd (net/packet/af_packet.c:3132)
[ 44.429563][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 44.429715][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 44.429873][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 44.430022][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 44.430181][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 44.430335][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 44.430486][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 44.430636][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 44.430789][ C3] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 44.430947][ C3] ? __pfx___sys_sendto (net/socket.c:2175)
[ 44.431102][ C3] ? sock_ioctl (net/socket.c:1342)
[ 44.431253][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 44.431407][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 44.431558][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 44.431712][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 44.431865][ C3] __x64_sys_sendto (net/socket.c:2211)
[ 44.432017][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 44.432211][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 44.432368][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   44.432562][    C3] RIP: 0033:0x7f849a7f1a4a
[ 44.432722][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   44.433259][    C3] RSP: 002b:00007ffdd0492b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.433490][    C3] RAX: ffffffffffffffda RBX: 0000000021ac69d0 RCX: 00007f849a7f1a4a
[   44.433715][    C3] RDX: 000000000000002a RSI: 0000000021ac6c92 RDI: 0000000000000005
[   44.433944][    C3] RBP: 0000000021ac6c92 R08: 00007ffdd0492b90 R09: 0000000000000014
[   44.434173][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   44.434397][    C3] R13: 000000000000002a R14: 00007ffdd0492b90 R15: 0000000000000000
| [   46.502005][    C0] preempt_count: 101, expected: 0
| [   46.502175][    C0] RCU nest depth: 3, expected: 0
| [   46.502381][    C0] INFO: lockdep is turned off.
| [   46.502913][    C0] Tainted: [W]=WARN
[   46.503052][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.503299][    C0] Call Trace:
[   46.503418][    C0]  <IRQ>
[ 46.503497][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 46.503661][ C0] __might_resched (kernel/sched/core.c:8759)
[ 46.503872][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 46.504085][ C0] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 46.504275][ C0] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 46.504489][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 46.504649][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 46.504862][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 46.505019][ C0] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 46.505217][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 46.505382][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 46.505590][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 46.505762][ C0] skb_copy (net/core/skbuff.c:2221)
[ 46.505882][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 46.506043][ C0] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 46.506304][ C0] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 46.506539][ C0] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 46.506700][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 46.506902][ C0] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 46.507098][ C0] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 46.507257][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 46.507426][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 46.507582][ C0] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 46.507751][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 46.507933][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 46.508153][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 46.508367][ C0] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 46.508573][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 46.508776][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 46.508930][ C0] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 46.509047][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 46.509207][ C0] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 46.509363][ C0] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 46.509519][ C0] ? place_entity (kernel/sched/fair.c:5280)
[ 46.509674][ C0] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 46.509887][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 46.510042][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 46.510210][ C0] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 46.510399][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 46.510597][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 46.510763][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 46.510940][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 46.511154][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 46.511314][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 46.511528][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 46.511685][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 46.511923][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 46.512116][ C0] handle_softirqs (kernel/softirq.c:561)
[ 46.512277][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 46.512431][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   46.512545][    C0]  </IRQ>
[   46.512652][    C0]  <TASK>
[ 46.512767][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 46.512920][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 46.513078][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 46.513231][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 46.513436][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 46.513590][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 46.513754][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 46.513908][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 46.514159][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 46.514314][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 46.514473][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 46.514629][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 46.514807][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 46.515017][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 46.515173][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 46.515323][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 46.515482][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 46.515689][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 46.515905][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 46.516058][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 46.516210][ C0] ? sock_ioctl (net/socket.c:1342)
[ 46.516376][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 46.516584][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 46.516754][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 46.516930][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 46.517092][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 46.517261][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 46.517465][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 46.517633][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   46.517857][    C0] RIP: 0033:0x7fb0ec847a4a
[ 46.518030][ C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   46.518689][    C0] RSP: 002b:00007ffdc794ada8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   46.519003][    C0] RAX: ffffffffffffffda RBX: 000000002daa59d0 RCX: 00007fb0ec847a4a
[   46.519253][    C0] RDX: 000000000000002a RSI: 000000002daa5c92 RDI: 0000000000000005
[   46.519565][    C0] RBP: 000000002daa5c92 R08: 00007ffdc794adb0 R09: 0000000000000014
[   46.519866][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   46.520145][    C0] R13: 000000000000002a R14: 00007ffdc794adb0 R15: 0000000000000000
| [   48.543336][    C3] preempt_count: 101, expected: 0
| [   48.543500][    C3] RCU nest depth: 3, expected: 0
| [   48.543656][    C3] INFO: lockdep is turned off.
| [   48.544152][    C3] Tainted: [W]=WARN
[   48.544277][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.544464][    C3] Call Trace:
[   48.544579][    C3]  <IRQ>
[ 48.544659][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 48.544827][ C3] __might_resched (kernel/sched/core.c:8759)
[ 48.544989][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 48.545186][ C3] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 48.545379][ C3] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 48.545545][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 48.545715][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 48.545875][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 48.546042][ C3] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 48.546235][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 48.546388][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 48.546546][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 48.546697][ C3] skb_copy (net/core/skbuff.c:2221)
[ 48.546818][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 48.546983][ C3] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 48.547189][ C3] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 48.547439][ C3] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 48.547611][ C3] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 48.547777][ C3] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 48.547956][ C3] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 48.548112][ C3] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 48.548274][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 48.548434][ C3] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 48.548586][ C3] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 48.548702][ C3] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 48.548858][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 48.549025][ C3] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 48.549180][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 48.549343][ C3] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 48.549462][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 48.549626][ C3] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 48.549798][ C3] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 48.549968][ C3] ? place_entity (kernel/sched/fair.c:5280)
[ 48.550141][ C3] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 48.550303][ C3] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 48.550460][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 48.550613][ C3] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 48.550812][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 48.551010][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 48.551162][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 48.551327][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 48.551500][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 48.551661][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 48.551867][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 48.552085][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 48.552318][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 48.552534][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 48.552760][ C3] handle_softirqs (kernel/softirq.c:561)
[ 48.552995][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 48.553235][ C3] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   48.553417][    C3]  </IRQ>
[   48.553540][    C3]  <TASK>
[ 48.553662][ C3] __local_bh_enable_ip (kernel/softirq.c:389)
[ 48.553910][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 48.554153][ C3] __dev_queue_xmit (net/core/dev.c:4511)
[ 48.554413][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 48.554666][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 48.554919][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 48.555161][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 48.555419][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 48.555730][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 48.555985][ C3] packet_snd (net/packet/af_packet.c:3132)
[ 48.556214][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 48.556466][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 48.556709][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 48.556945][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 48.557186][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 48.557448][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 48.557689][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 48.557940][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 48.558192][ C3] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 48.558440][ C3] ? __pfx___sys_sendto (net/socket.c:2175)
[ 48.558694][ C3] ? sock_ioctl (net/socket.c:1342)
[ 48.558933][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 48.559173][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 48.559431][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 48.559675][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 48.559908][ C3] __x64_sys_sendto (net/socket.c:2211)
[ 48.560151][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 48.560454][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 48.560700][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   48.561015][    C3] RIP: 0033:0x7f3880f7aa4a
[ 48.561258][ C3] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   48.561892][    C3] RSP: 002b:00007ffd48456bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   48.562140][    C3] RAX: ffffffffffffffda RBX: 000000000bdaa9d0 RCX: 00007f3880f7aa4a
[   48.562389][    C3] RDX: 000000000000002a RSI: 000000000bdaac92 RDI: 0000000000000005
[   48.562625][    C3] RBP: 000000000bdaac92 R08: 00007ffd48456bd0 R09: 0000000000000014
[   48.562852][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   48.563084][    C3] R13: 000000000000002a R14: 00007ffd48456bd0 R15: 0000000000000000
| [   50.743307][    C2] preempt_count: 101, expected: 0
| [   50.743501][    C2] RCU nest depth: 3, expected: 0
| [   50.743721][    C2] INFO: lockdep is turned off.
| [   50.744315][    C2] Tainted: [W]=WARN
[   50.744455][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.744709][    C2] Call Trace:
[   50.744843][    C2]  <IRQ>
[ 50.744939][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 50.745162][ C2] __might_resched (kernel/sched/core.c:8759)
[ 50.745342][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 50.745602][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 50.745835][ C2] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 50.746038][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 50.746227][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 50.746425][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 50.746613][ C2] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 50.746849][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 50.747027][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 50.747194][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 50.747374][ C2] skb_copy (net/core/skbuff.c:2221)
[ 50.747510][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 50.747735][ C2] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 50.747992][ C2] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 50.748263][ C2] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 50.748443][ C2] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 50.748626][ C2] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 50.748810][ C2] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 50.748994][ C2] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 50.749165][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 50.749343][ C2] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 50.749528][ C2] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 50.749671][ C2] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 50.749847][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 50.750035][ C2] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 50.750293][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 50.750454][ C2] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 50.750582][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 50.750743][ C2] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 50.750900][ C2] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 50.751052][ C2] ? place_entity (kernel/sched/fair.c:5280)
[ 50.751221][ C2] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 50.751390][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 50.751553][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 50.751716][ C2] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 50.751926][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 50.752116][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 50.752271][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 50.752423][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 50.752577][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 50.752738][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 50.752907][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 50.753067][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 50.753224][ C2] ? swake_up_one (./include/linux/list.h:373 kernel/sched/swait.c:25 kernel/sched/swait.c:52)
[ 50.753379][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 50.753530][ C2] handle_softirqs (kernel/softirq.c:561)
[ 50.753683][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 50.753847][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   50.753964][    C2]  </IRQ>
[   50.754130][    C2]  <TASK>
[ 50.754215][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 50.754366][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 50.754517][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 50.754669][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 50.754831][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 50.754985][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 50.755144][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 50.755318][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 50.755511][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 50.755676][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 50.755845][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 50.756010][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 50.756204][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 50.756437][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 50.756615][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 50.756792][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 50.756970][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 50.757185][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 50.757354][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 50.757521][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 50.757687][ C2] ? sock_ioctl (net/socket.c:1342)
[ 50.757873][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 50.758054][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 50.758220][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 50.758388][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 50.758554][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 50.758727][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 50.759040][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 50.759300][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   50.759646][    C2] RIP: 0033:0x7f22eb92da4a
[ 50.759912][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   50.760833][    C2] RSP: 002b:00007ffe9fc21328 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   50.761233][    C2] RAX: ffffffffffffffda RBX: 000000002c4109d0 RCX: 00007f22eb92da4a
[   50.761615][    C2] RDX: 000000000000002a RSI: 000000002c410c92 RDI: 0000000000000005
[   50.761997][    C2] RBP: 000000002c410c92 R08: 00007ffe9fc21330 R09: 0000000000000014
[   50.762383][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   50.762775][    C2] R13: 000000000000002a R14: 00007ffe9fc21330 R15: 0000000000000000
| [   52.804557][    C0] preempt_count: 101, expected: 0
| [   52.804710][    C0] RCU nest depth: 3, expected: 0
| [   52.804866][    C0] INFO: lockdep is turned off.
| [   52.805513][    C0] Tainted: [W]=WARN
[   52.805687][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.805991][    C0] Call Trace:
[   52.806183][    C0]  <IRQ>
[ 52.806309][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 52.806557][ C0] __might_resched (kernel/sched/core.c:8759)
[ 52.806803][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 52.807109][ C0] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 52.807416][ C0] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 52.807659][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 52.807908][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 52.808157][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 52.808388][ C0] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 52.808689][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 52.808925][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 52.809161][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 52.809401][ C0] skb_copy (net/core/skbuff.c:2221)
[ 52.809588][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 52.809826][ C0] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 52.810146][ C0] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 52.810387][ C0] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 52.810541][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 52.810696][ C0] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 52.810850][ C0] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 52.811007][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 52.811187][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 52.811344][ C0] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 52.811497][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 52.811610][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 52.811762][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 52.811915][ C0] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 52.812069][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 52.812228][ C0] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 52.812344][ C0] ? __run_timers (kernel/time/timer.c:1841 kernel/time/timer.c:2418)
[ 52.812507][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 52.812659][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 52.812811][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 52.812962][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 52.813119][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 52.813272][ C0] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 52.813461][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 52.813654][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 52.813805][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 52.813956][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 52.814113][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 52.814307][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 52.814461][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 52.814614][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 52.814779][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 52.814945][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 52.815140][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 52.815321][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 52.815499][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 52.815769][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 52.815978][ C0] handle_softirqs (kernel/softirq.c:561)
[ 52.816241][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 52.816461][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   52.816648][    C0]  </IRQ>
[   52.816775][    C0]  <TASK>
[ 52.816894][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 52.817128][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 52.817355][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 52.817601][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 52.817849][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 52.818094][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 52.818340][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 52.818587][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 52.818889][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 52.819130][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 52.819373][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 52.819609][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 52.819847][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 52.820092][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 52.820339][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 52.820578][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 52.820812][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 52.821040][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 52.821292][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 52.821450][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 52.821603][ C0] ? sock_ioctl (net/socket.c:1342)
[ 52.821753][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 52.821939][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 52.822161][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 52.822407][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 52.822645][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 52.822880][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 52.823176][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 52.823427][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   52.823731][    C0] RIP: 0033:0x7fd9d6e70a4a
[ 52.823984][ C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   52.824838][    C0] RSP: 002b:00007ffdc39d87b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   52.825200][    C0] RAX: ffffffffffffffda RBX: 000000003bc049d0 RCX: 00007fd9d6e70a4a
[   52.825562][    C0] RDX: 000000000000002a RSI: 000000003bc04c92 RDI: 0000000000000005
[   52.825920][    C0] RBP: 000000003bc04c92 R08: 00007ffdc39d87c0 R09: 0000000000000014
[   52.826283][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   52.826636][    C0] R13: 000000000000002a R14: 00007ffdc39d87c0 R15: 0000000000000000
| [   54.831291][    C0] preempt_count: 101, expected: 0
| [   54.831446][    C0] RCU nest depth: 3, expected: 0
| [   54.831601][    C0] INFO: lockdep is turned off.
| [   54.832060][    C0] Tainted: [W]=WARN
[   54.832177][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.832365][    C0] Call Trace:
[   54.832483][    C0]  <IRQ>
[ 54.832562][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 54.832725][ C0] __might_resched (kernel/sched/core.c:8759)
[ 54.832886][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 54.833082][ C0] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 54.833269][ C0] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 54.833422][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 54.833577][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 54.833728][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 54.833882][ C0] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 54.834075][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 54.834228][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 54.834379][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 54.834532][ C0] skb_copy (net/core/skbuff.c:2221)
[ 54.834652][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 54.834806][ C0] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 54.834995][ C0] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 54.835222][ C0] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 54.835377][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 54.835531][ C0] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 54.835685][ C0] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 54.835846][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 54.836009][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 54.836167][ C0] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 54.836322][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 54.836440][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 54.836595][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 54.836748][ C0] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 54.836901][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 54.837051][ C0] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 54.837166][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 54.837318][ C0] ? check_preempt_wakeup_fair (kernel/sched/fair.c:8880)
[ 54.837515][ C0] ? wakeup_preempt (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/thread_info.h:126 ./include/linux/sched.h:2020 ./include/linux/sched.h:2036 kernel/sched/core.c:2190 kernel/sched/core.c:2177)
[ 54.837682][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 54.837833][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 54.837984][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 54.838136][ C0] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 54.838325][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 54.838519][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 54.838671][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 54.838829][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 54.838980][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 54.839178][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 54.839330][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 54.839486][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 54.839635][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 54.839788][ C0] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12161)
[ 54.839982][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 54.840206][ C0] handle_softirqs (kernel/softirq.c:561)
[ 54.840364][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 54.840514][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   54.840627][    C0]  </IRQ>
[   54.840706][    C0]  <TASK>
[ 54.840784][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 54.840937][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 54.841094][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 54.841247][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 54.841399][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 54.841553][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 54.841705][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 54.841856][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 54.842044][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 54.842208][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 54.842361][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 54.842512][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 54.842674][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 54.842827][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 54.842977][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 54.843131][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 54.843285][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 54.843435][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 54.843587][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 54.843741][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 54.843893][ C0] ? sock_ioctl (net/socket.c:1342)
[ 54.844047][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 54.844200][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 54.844351][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 54.844510][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 54.844663][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 54.844817][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 54.845011][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 54.845165][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   54.845359][    C0] RIP: 0033:0x7fc8e07cba4a
[ 54.845523][ C0] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   54.846062][    C0] RSP: 002b:00007ffc5277af68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   54.846291][    C0] RAX: ffffffffffffffda RBX: 00000000041f19d0 RCX: 00007fc8e07cba4a
[   54.846518][    C0] RDX: 000000000000002a RSI: 00000000041f1c92 RDI: 0000000000000005
[   54.846749][    C0] RBP: 00000000041f1c92 R08: 00007ffc5277af70 R09: 0000000000000014
[   54.846971][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   54.847196][    C0] R13: 000000000000002a R14: 00007ffc5277af70 R15: 0000000000000000
| [   56.919680][    C2] preempt_count: 101, expected: 0
| [   56.919946][    C2] RCU nest depth: 3, expected: 0
| [   56.920246][    C2] INFO: lockdep is turned off.
| [   56.920981][    C2] Tainted: [W]=WARN
[   56.921165][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.921451][    C2] Call Trace:
[   56.921634][    C2]  <IRQ>
[ 56.921754][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 56.922008][ C2] __might_resched (kernel/sched/core.c:8759)
[ 56.922259][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 56.922567][ C2] kmem_cache_alloc_node_noprof (./include/linux/kernel.h:73 ./include/linux/sched/mm.h:321 ./include/linux/sched/mm.h:316 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 56.922875][ C2] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 56.923134][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 56.923386][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 56.923653][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 56.923904][ C2] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 56.924232][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.924485][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.924732][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.924985][ C2] skb_copy (net/core/skbuff.c:2221)
[ 56.925167][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 56.925416][ C2] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 56.925734][ C2] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 56.926114][ C2] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 56.926362][ C2] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 56.926618][ C2] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 56.926872][ C2] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 56.927130][ C2] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 56.927395][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.927652][ C2] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 56.927933][ C2] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 56.928121][ C2] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 56.928373][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.928616][ C2] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 56.928864][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 56.929132][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.929372][ C2] ipv6_rcv (./include/net/dst.h:469 net/ipv6/ip6_input.c:79 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:309)
[ 56.929552][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 56.929803][ C2] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 56.930052][ C2] ? __resched_curr (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 kernel/sched/core.c:1099)
[ 56.930307][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.930548][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 56.930806][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.931078][ C2] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 56.931382][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 56.931688][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 56.931932][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.932184][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 56.932430][ C2] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 56.932732][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 56.932979][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 56.933226][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.933473][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 56.933713][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.933973][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 56.934256][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 56.934453][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 56.934758][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 56.935003][ C2] handle_softirqs (kernel/softirq.c:561)
[ 56.935257][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 56.935495][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   56.935662][    C2]  </IRQ>
[   56.935785][    C2]  <TASK>
[ 56.935905][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 56.936161][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 56.936413][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 56.936669][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 56.936924][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 56.937190][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 56.937447][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 56.937703][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 56.938025][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 56.938287][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 56.938555][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 56.938817][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 56.939083][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 56.939342][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.939598][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 56.939861][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 56.940119][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 56.940365][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.940624][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 56.940864][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 56.941110][ C2] ? sock_ioctl (net/socket.c:1342)
[ 56.941351][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 56.941633][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 56.941892][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 56.942128][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 56.942382][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 56.942639][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 56.942948][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 56.943201][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   56.943527][    C2] RIP: 0033:0x7fcf9ac7da4a
[ 56.943778][ C2] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
All code
========
   0:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   4:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   b:	eb b8                	jmp    0xffffffffffffffc5
   d:	0f 1f 00             	nopl   (%rax)
  10:	f3 0f 1e fa          	endbr64
  14:	41 89 ca             	mov    %ecx,%r10d
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 15                	jne    0x38
  23:	b8 2c 00 00 00       	mov    $0x2c,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 7e                	ja     0xb0
  32:	c3                   	ret
  33:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  38:	41 54                	push   %r12
  3a:	48 83 ec 30          	sub    $0x30,%rsp
  3e:	44                   	rex.R
  3f:	89                   	.byte 0x89

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 7e                	ja     0x86
   8:	c3                   	ret
   9:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   e:	41 54                	push   %r12
  10:	48 83 ec 30          	sub    $0x30,%rsp
  14:	44                   	rex.R
  15:	89                   	.byte 0x89
[   56.944654][    C2] RSP: 002b:00007ffc404ff5b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.945020][    C2] RAX: ffffffffffffffda RBX: 0000000022d249d0 RCX: 00007fcf9ac7da4a
[   56.945391][    C2] RDX: 000000000000002a RSI: 0000000022d24c92 RDI: 0000000000000005
[   56.945754][    C2] RBP: 0000000022d24c92 R08: 00007ffc404ff5c0 R09: 0000000000000014
[   56.946153][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:fs_reclaim_acquire
__might_resched:kmem_cache_alloc_node_noprof:__alloc_skb:skb_copy:gro_cells_receive