======================================
| [ 27.604252][ C3] #2: ffffffffa1559060 (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
| [ 27.604537][ C3] #3: ffffffffa1559060 (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)
| [   27.604829][    C3]
| [   27.604829][    C3] stack backtrace:
[   27.605307][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.605506][    C3] Call Trace:
[   27.605632][    C3]  <TASK>
[ 27.605718][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 27.605883][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4041)
[ 27.606051][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24)
[ 27.606215][ C3] mark_lock_irq (kernel/locking/lockdep.c:4006 kernel/locking/lockdep.c:4052 kernel/locking/lockdep.c:4263)
[ 27.606381][ C3] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
[ 27.606544][ C3] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4254)
[ 27.606704][ C3] ? stack_trace_save (kernel/stacktrace.c:123)
[ 27.606863][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114)
[ 27.607021][ C3] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24)
[ 27.607182][ C3] ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:495)
[ 27.607349][ C3] ? save_trace (kernel/locking/lockdep.c:588)
[ 27.607506][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469)
[ 27.607668][ C3] mark_lock (kernel/locking/lockdep.c:4749)
[ 27.607788][ C3] mark_usage (kernel/locking/lockdep.c:4638)
[ 27.607907][ C3] __lock_acquire (kernel/locking/lockdep.c:5180)
[ 27.608067][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 27.608226][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.608439][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 27.608597][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.608756][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.608916][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.609124][ C3] fs_reclaim_acquire (mm/page_alloc.c:3854 mm/page_alloc.c:3867)
[ 27.609284][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.609482][ C3] kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:319 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.609686][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 27.609846][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 27.610004][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 27.610169][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 27.610328][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.610483][ C3] ? 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)
[ 27.610643][ C3] skb_copy (net/core/skbuff.c:2221)
[ 27.610783][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 27.610944][ C3] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 27.611107][ C3] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 27.611265][ C3] ? skb_scrub_packet (./include/net/dst.h:263 ./include/net/dst.h:275 net/core/skbuff.c:6179)
[ 27.611429][ 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)
[ 27.611593][ C3] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 27.611757][ C3] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 27.611917][ C3] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 27.612085][ 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)
[ 27.612245][ C3] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 27.612404][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 27.612564][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.612727][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 27.612885][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 27.613053][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 27.613214][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 27.613377][ C3] ? ip_rcv_finish_core (./include/net/net_namespace.h:393 (discriminator 3) ./include/linux/netdevice.h:2652 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3))
[ 27.613534][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.613693][ 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)
[ 27.613814][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 27.613978][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.614137][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 27.614302][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.614463][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 27.614622][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.614779][ C3] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 27.614977][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 27.615183][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.615343][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.615511][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 27.615669][ C3] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 27.615830][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 27.615990][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 27.616150][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 27.616307][ C3] ? finish_task_switch.isra.0 (kernel/sched/core.c:5048 kernel/sched/core.c:5075 kernel/sched/core.c:5122 kernel/sched/core.c:5241)
[ 27.616508][ C3] ? __switch_to (./arch/x86/include/asm/bitops.h:55 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 ./include/linux/sched.h:1994 ./arch/x86/include/asm/fpu/sched.h:68 arch/x86/kernel/process_64.c:674)
[ 27.616670][ C3] ? __schedule (kernel/sched/core.c:6637)
[ 27.616839][ C3] ? __pfx___schedule (kernel/sched/core.c:6637)
[ 27.616997][ C3] ? schedule (kernel/sched/core.c:6814 kernel/sched/core.c:6847)
[ 27.617117][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 27.617277][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 27.617438][ C3] handle_softirqs (kernel/softirq.c:561)
[ 27.617599][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:943)
[ 27.617757][ C3] run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942)
[ 27.617926][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3))
[ 27.618086][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107)
[ 27.618245][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107)
[ 27.618404][ C3] kthread (kernel/kthread.c:389)
[ 27.618526][ C3] ? __pfx_kthread (kernel/kthread.c:342)
[ 27.618685][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 27.618845][ C3] ? __pfx_kthread (kernel/kthread.c:342)
[ 27.619002][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [   27.619596][    C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 34, name: ksoftirqd/3
| [   27.619851][    C3] preempt_count: 100, expected: 0
| [   27.619995][    C3] RCU nest depth: 4, expected: 0
| [   27.620140][    C3] INFO: lockdep is turned off.
[   27.620556][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.620747][    C3] Call Trace:
[   27.620861][    C3]  <TASK>
[ 27.620938][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 27.621091][ C3] __might_resched (kernel/sched/core.c:8759)
[ 27.621241][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 27.621437][ 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)
[ 27.621621][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 27.621770][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 27.621920][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 27.622070][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 27.622223][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 27.622371][ C3] ? 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)
[ 27.622526][ C3] skb_copy (net/core/skbuff.c:2221)
[ 27.622641][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 27.622794][ C3] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 27.622946][ C3] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 27.623110][ C3] ? skb_scrub_packet (./include/net/dst.h:263 ./include/net/dst.h:275 net/core/skbuff.c:6179)
[ 27.623263][ 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)
[ 27.623415][ C3] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 27.623569][ C3] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 27.623722][ C3] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 27.623871][ 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)
[ 27.624019][ C3] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 27.624168][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 27.624317][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.624463][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 27.624612][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 27.624768][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 27.624916][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 27.625065][ C3] ? ip_rcv_finish_core (./include/net/net_namespace.h:393 (discriminator 3) ./include/linux/netdevice.h:2652 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3))
[ 27.625216][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.625362][ 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)
[ 27.625475][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 27.625626][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.625781][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 27.625929][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.626078][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 27.626227][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.626376][ C3] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 27.626562][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 27.626746][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 27.626900][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 27.627046][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 27.627194][ C3] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 27.627345][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 27.627497][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 27.627648][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 27.627797][ C3] ? finish_task_switch.isra.0 (kernel/sched/core.c:5048 kernel/sched/core.c:5075 kernel/sched/core.c:5122 kernel/sched/core.c:5241)
[ 27.627978][ C3] ? __switch_to (./arch/x86/include/asm/bitops.h:55 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:97 ./include/linux/sched.h:1994 ./arch/x86/include/asm/fpu/sched.h:68 arch/x86/kernel/process_64.c:674)
[ 27.628145][ C3] ? __schedule (kernel/sched/core.c:6637)
[ 27.628299][ C3] ? __pfx___schedule (kernel/sched/core.c:6637)
[ 27.628447][ C3] ? schedule (kernel/sched/core.c:6814 kernel/sched/core.c:6847)
[ 27.628559][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 27.628709][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 27.628859][ C3] handle_softirqs (kernel/softirq.c:561)
[ 27.629010][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:943)
[ 27.629162][ C3] run_ksoftirqd (kernel/softirq.c:418 kernel/softirq.c:951 kernel/softirq.c:942)
[ 27.629309][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3))
[ 27.629459][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107)
[ 27.629606][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107)
[ 27.629752][ C3] kthread (kernel/kthread.c:389)
[ 27.629862][ C3] ? __pfx_kthread (kernel/kthread.c:342)
[ 27.630011][ C3] ret_from_fork (arch/x86/kernel/process.c:147)
[ 27.630160][ C3] ? __pfx_kthread (kernel/kthread.c:342)
[ 27.630314][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [   28.843283][    C3] preempt_count: 101, expected: 0
| [   28.843453][    C3] RCU nest depth: 4, expected: 0
| [   28.843612][    C3] INFO: lockdep is turned off.
| [   28.844106][    C3] Tainted: [W]=WARN
[   28.844228][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.844434][    C3] Call Trace:
[   28.844557][    C3]  <IRQ>
[ 28.844649][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 28.844821][ C3] __might_resched (kernel/sched/core.c:8759)
[ 28.844986][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 28.845190][ 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)
[ 28.845388][ C3] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 28.845550][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 28.845715][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 28.845876][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 28.846042][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 28.846202][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 28.846361][ C3] skb_copy (net/core/skbuff.c:2221)
[ 28.846482][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 28.846646][ C3] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 28.846809][ C3] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 28.846968][ C3] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 28.847132][ 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)
[ 28.847297][ C3] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 28.847462][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 28.847621][ C3] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 28.847781][ C3] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 28.847943][ 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)
[ 28.848100][ C3] ? tc_run (net/core/dev.c:4044)
[ 28.848226][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 28.848386][ C3] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 28.848548][ C3] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 28.848708][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 28.848872][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 28.849032][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 28.849192][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 28.849357][ C3] ? arp_process (net/ipv4/arp.c:942)
[ 28.849520][ C3] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 28.849682][ C3] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 28.849842][ C3] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 28.850006][ 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)
[ 28.850127][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 28.850285][ C3] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 28.850444][ 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)
[ 28.850610][ C3] ? place_entity (kernel/sched/fair.c:5280)
[ 28.850783][ C3] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 28.850945][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 28.851104][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 28.851263][ C3] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 28.851461][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 28.851662][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 28.851827][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 28.851987][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 28.852150][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 28.852309][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 28.852474][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 28.852634][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 28.852796][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 28.853000][ C3] handle_softirqs (kernel/softirq.c:561)
[ 28.853170][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 28.853330][ C3] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   28.853450][    C3]  </IRQ>
[   28.853536][    C3]  <TASK>
[ 28.853617][ C3] __local_bh_enable_ip (kernel/softirq.c:389)
[ 28.853778][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 28.853937][ C3] __dev_queue_xmit (net/core/dev.c:4511)
[ 28.854101][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 28.854267][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 28.854434][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 28.854596][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 28.854760][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 28.854958][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 28.855121][ C3] packet_snd (net/packet/af_packet.c:3132)
[ 28.855287][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 28.855449][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 28.855612][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 28.855771][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 28.855931][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 28.856093][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 28.856251][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 28.856413][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 28.856581][ C3] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 28.856745][ C3] ? __pfx___sys_sendto (net/socket.c:2175)
[ 28.856908][ C3] ? sock_ioctl (net/socket.c:1342)
[ 28.857072][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 28.857233][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 28.857394][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 28.857553][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 28.857716][ C3] __x64_sys_sendto (net/socket.c:2211)
[ 28.857876][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 28.858078][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 28.858242][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   28.858451][    C3] RIP: 0033:0x7fed270d1a4a
[ 28.858621][ 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
[   28.859189][    C3] RSP: 002b:00007fff0209db68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   28.859442][    C3] RAX: ffffffffffffffda RBX: 000000002b40f9d0 RCX: 00007fed270d1a4a
[   28.859683][    C3] RDX: 000000000000002a RSI: 000000002b40fc92 RDI: 0000000000000005
[   28.859922][    C3] RBP: 000000002b40fc92 R08: 00007fff0209db70 R09: 0000000000000014
[   28.860165][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   28.860407][    C3] R13: 000000000000002a R14: 00007fff0209db70 R15: 0000000000000000
| [   30.846631][    C2] preempt_count: 101, expected: 0
| [   30.846799][    C2] RCU nest depth: 4, expected: 0
| [   30.846966][    C2] INFO: lockdep is turned off.
| [   30.847462][    C2] Tainted: [W]=WARN
[   30.847584][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.847778][    C2] Call Trace:
[   30.847898][    C2]  <IRQ>
[ 30.847983][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 30.848154][ C2] __might_resched (kernel/sched/core.c:8759)
[ 30.848314][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 30.848511][ 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)
[ 30.848707][ C2] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 30.848867][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 30.849032][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 30.849190][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 30.849355][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 30.849513][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 30.849670][ C2] skb_copy (net/core/skbuff.c:2221)
[ 30.849791][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 30.849957][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 30.850121][ C2] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 30.850298][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 30.850468][ 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)
[ 30.850634][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 30.850816][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 30.850973][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 30.851131][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 30.851292][ 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)
[ 30.851449][ C2] ? tc_run (net/core/dev.c:4044)
[ 30.851570][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 30.851724][ C2] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 30.851884][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 30.852040][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 30.852198][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 30.852354][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 30.852508][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 30.852662][ C2] ? sock_def_write_space (net/core/sock.c:3502)
[ 30.852822][ C2] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 30.852987][ C2] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 30.853144][ C2] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 30.853304][ 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)
[ 30.853424][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 30.853577][ C2] ? check_preempt_wakeup_fair (kernel/sched/fair.c:8880)
[ 30.853773][ 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)
[ 30.853929][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 30.854084][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 30.854245][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 30.854404][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 30.854600][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 30.854797][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 30.854951][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 30.855113][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 30.855269][ C2] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 30.855470][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 30.855628][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 30.855788][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 30.855942][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 30.856100][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 30.856253][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 30.856411][ C2] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 30.856536][ C2] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 30.856732][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1878)
[ 30.856888][ C2] handle_softirqs (kernel/softirq.c:561)
[ 30.857050][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 30.857205][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   30.857321][    C2]  </IRQ>
[   30.857402][    C2]  <TASK>
[ 30.857481][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 30.857655][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 30.857809][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 30.857967][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 30.858122][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 30.858281][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 30.858435][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 30.858611][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 30.858805][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 30.858962][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 30.859118][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 30.859270][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 30.859429][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 30.859585][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 30.859740][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 30.859899][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 30.860053][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 30.860208][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 30.860363][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 30.860525][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 30.860682][ C2] ? sock_ioctl (net/socket.c:1342)
[ 30.860852][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 30.861010][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 30.861169][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 30.861324][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 30.861478][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 30.861633][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 30.861827][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 30.861987][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   30.862183][    C2] RIP: 0033:0x7ff92c6a2a4a
[ 30.862352][ 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
[   30.862897][    C2] RSP: 002b:00007ffebd76fcc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   30.863131][    C2] RAX: ffffffffffffffda RBX: 0000000031aeb9d0 RCX: 00007ff92c6a2a4a
[   30.863376][    C2] RDX: 000000000000002a RSI: 0000000031aebc92 RDI: 0000000000000005
[   30.863607][    C2] RBP: 0000000031aebc92 R08: 00007ffebd76fcd0 R09: 0000000000000014
[   30.863837][    C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   30.864069][    C2] R13: 000000000000002a R14: 00007ffebd76fcd0 R15: 0000000000000000
| [   37.168055][    C0] preempt_count: 101, expected: 0
| [   37.168212][    C0] RCU nest depth: 4, expected: 0
| [   37.168377][    C0] INFO: lockdep is turned off.
| [   37.168861][    C0] Tainted: [W]=WARN
[   37.168980][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.169173][    C0] Call Trace:
[   37.169296][    C0]  <IRQ>
[ 37.169381][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 37.169557][ C0] __might_resched (kernel/sched/core.c:8759)
[ 37.169721][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 37.169920][ 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)
[ 37.170115][ C0] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 37.170276][ C0] ? ktime_get (kernel/time/timekeeping.c:226 (discriminator 4) kernel/time/timekeeping.c:335 (discriminator 4) kernel/time/timekeeping.c:813 (discriminator 4))
[ 37.170401][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 37.170569][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 37.170735][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 37.170895][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 37.171053][ C0] skb_copy (net/core/skbuff.c:2221)
[ 37.171174][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 37.171338][ C0] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 37.171502][ C0] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 37.171662][ 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)
[ 37.171824][ C0] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 37.171988][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 37.172147][ C0] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 37.172308][ C0] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 37.172466][ 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)
[ 37.172623][ C0] ? tc_run (net/core/dev.c:4044)
[ 37.172748][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 37.172906][ C0] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 37.173073][ C0] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 37.173230][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 37.173390][ C0] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 37.173547][ C0] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 37.173703][ C0] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 37.173860][ C0] ? arp_process (net/ipv4/arp.c:942)
[ 37.174022][ C0] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 37.174182][ C0] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 37.174337][ C0] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 37.174497][ 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)
[ 37.174616][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 37.174771][ C0] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 37.174928][ 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)
[ 37.175094][ C0] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 37.175248][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 37.175407][ C0] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 37.175603][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 37.175799][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 37.175953][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 37.176110][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 37.176269][ C0] ? __pfx_debug_object_activate (lib/debugobjects.c:805)
[ 37.176474][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 37.176630][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 37.176789][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 37.176943][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 37.177102][ C0] ? trace_rcu_quiescent_state_report (./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:368)
[ 37.177300][ C0] ? rcu_report_qs_rnp (kernel/rcu/tree.c:2317 (discriminator 9))
[ 37.177458][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 37.177614][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 37.177815][ C0] handle_softirqs (kernel/softirq.c:561)
[ 37.177975][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 37.178130][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   37.178249][    C0]  </IRQ>
[   37.178332][    C0]  <TASK>
[ 37.178411][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 37.178572][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 37.178728][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 37.178888][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 37.179045][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 37.179205][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 37.179365][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 37.179521][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 37.179720][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 37.179879][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 37.180038][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 37.180195][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 37.180353][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 37.180511][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 37.180667][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 37.180837][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 37.180991][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 37.181146][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 37.181304][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 37.181465][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 37.181625][ C0] ? sock_ioctl (net/socket.c:1342)
[ 37.181786][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 37.181945][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 37.182109][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 37.182266][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 37.182423][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 37.182579][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 37.182777][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 37.182939][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   37.183138][    C0] RIP: 0033:0x7fed7a1e4a4a
[ 37.183311][ 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
[   37.183859][    C0] RSP: 002b:00007ffc92573ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   37.184097][    C0] RAX: ffffffffffffffda RBX: 00000000158a39d0 RCX: 00007fed7a1e4a4a
[   37.184341][    C0] RDX: 000000000000002a RSI: 00000000158a3c92 RDI: 0000000000000005
[   37.184574][    C0] RBP: 00000000158a3c92 R08: 00007ffc92573ae0 R09: 0000000000000014
[   37.184810][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   37.185044][    C0] R13: 000000000000002a R14: 00007ffc92573ae0 R15: 0000000000000000
| [   39.211095][    C3] preempt_count: 101, expected: 0
| [   39.211252][    C3] RCU nest depth: 4, expected: 0
| [   39.211428][    C3] INFO: lockdep is turned off.
| [   39.211909][    C3] Tainted: [W]=WARN
[   39.212036][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.212232][    C3] Call Trace:
[   39.212357][    C3]  <IRQ>
[ 39.212437][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 39.212605][ C3] __might_resched (kernel/sched/core.c:8759)
[ 39.212766][ C3] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 39.212970][ 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)
[ 39.213168][ C3] ? __fib_validate_source (net/ipv4/fib_frontend.c:396)
[ 39.213330][ C3] ? __alloc_skb (net/core/skbuff.c:730)
[ 39.213492][ C3] __alloc_skb (net/core/skbuff.c:730)
[ 39.213650][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 39.213806][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 39.213966][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 39.214125][ C3] skb_copy (net/core/skbuff.c:2221)
[ 39.214245][ C3] gro_cells_receive (net/core/gro_cells.c:31)
[ 39.214412][ C3] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 39.214575][ C3] ? fib_validate_source (net/ipv4/fib_frontend.c:458)
[ 39.214739][ C3] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 39.214895][ 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)
[ 39.215055][ C3] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 39.215219][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 39.215378][ C3] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 39.215544][ C3] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 39.215702][ 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)
[ 39.215861][ C3] ? tc_run (net/core/dev.c:4044)
[ 39.215981][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 39.216140][ C3] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 39.216299][ C3] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 39.216460][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 39.216626][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 39.216783][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 39.216940][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 39.217097][ C3] ? __hrtimer_start_range_ns (kernel/time/hrtimer.c:1251)
[ 39.217257][ C3] ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[ 39.217415][ C3] ? ip_rcv_finish_core (./include/linux/skbuff.h:1152 ./include/net/route.h:88 net/ipv4/ip_input.c:390)
[ 39.217570][ C3] ? vrf_l3_rcv (drivers/net/vrf.c:1182 drivers/net/vrf.c:1416 drivers/net/vrf.c:1428) vrf
[ 39.217736][ 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)
[ 39.217854][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 39.218009][ C3] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 39.218168][ 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)
[ 39.218327][ C3] ? place_entity (kernel/sched/fair.c:5280)
[ 39.218486][ C3] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 39.218643][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 39.218799][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 39.218961][ C3] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 39.219155][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 39.219350][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 39.219505][ C3] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 39.219664][ C3] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 39.219827][ C3] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 39.219984][ C3] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 39.220150][ C3] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 39.220309][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 39.220469][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 39.220676][ C3] handle_softirqs (kernel/softirq.c:561)
[ 39.220844][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 39.221002][ C3] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   39.221121][    C3]  </IRQ>
[   39.221202][    C3]  <TASK>
[ 39.221287][ C3] __local_bh_enable_ip (kernel/softirq.c:389)
[ 39.221442][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 39.221601][ C3] __dev_queue_xmit (net/core/dev.c:4511)
[ 39.221761][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 39.221918][ C3] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 39.222076][ C3] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 39.222236][ C3] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 39.222402][ C3] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 39.222597][ C3] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 39.222757][ C3] packet_snd (net/packet/af_packet.c:3132)
[ 39.222917][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 39.223072][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 39.223232][ C3] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 39.223389][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 39.223552][ C3] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 39.223707][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 39.223863][ C3] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 39.224019][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 39.224182][ C3] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 39.224340][ C3] ? __pfx___sys_sendto (net/socket.c:2175)
[ 39.224501][ C3] ? sock_ioctl (net/socket.c:1342)
[ 39.224659][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 39.224822][ C3] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 39.224979][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 39.225134][ C3] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 39.225291][ C3] __x64_sys_sendto (net/socket.c:2211)
[ 39.225448][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 39.225643][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 39.225801][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   39.226011][    C3] RIP: 0033:0x7f052c2caa4a
[ 39.226175][ 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
[   39.226723][    C3] RSP: 002b:00007ffc3c087478 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   39.226961][    C3] RAX: ffffffffffffffda RBX: 000000001cc3a9d0 RCX: 00007f052c2caa4a
[   39.227202][    C3] RDX: 000000000000002a RSI: 000000001cc3ac92 RDI: 0000000000000005
[   39.227438][    C3] RBP: 000000001cc3ac92 R08: 00007ffc3c087480 R09: 0000000000000014
[   39.227673][    C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   39.227908][    C3] R13: 000000000000002a R14: 00007ffc3c087480 R15: 0000000000000000
| [   41.932514][    C2] preempt_count: 101, expected: 0
| [   41.932721][    C2] RCU nest depth: 4, expected: 0
| [   41.932926][    C2] INFO: lockdep is turned off.
| [   41.933469][    C2] Tainted: [W]=WARN
[   41.933619][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.933854][    C2] Call Trace:
[   41.934005][    C2]  <IRQ>
[ 41.934116][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 41.934320][ C2] __might_resched (kernel/sched/core.c:8759)
[ 41.934524][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 41.934766][ 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)
[ 41.935004][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)
[ 41.935196][ C2] ? kernel_text_address (kernel/extable.c:99)
[ 41.935387][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 41.935579][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 41.935769][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 41.935958][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 41.936154][ C2] ? default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)
[ 41.936345][ C2] skb_copy (net/core/skbuff.c:2221)
[ 41.936493][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 41.936694][ C2] ip_tunnel_rcv (net/ipv4/ip_tunnel.c:448)
[ 41.936893][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:122 kernel/locking/lockdep.c:4983)
[ 41.937087][ C2] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 41.937279][ C2] ? __pfx_ip_tunnel_rcv (net/ipv4/ip_tunnel.c:379)
[ 41.937467][ C2] ? skb_scrub_packet (./include/net/dst.h:263 ./include/net/dst.h:275 net/core/skbuff.c:6179)
[ 41.937664][ 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)
[ 41.937855][ C2] __ipgre_rcv (net/ipv4/ip_gre.c:402) ip_gre
[ 41.938055][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 41.938246][ C2] gre_rcv (net/ipv4/ip_gre.c:424 net/ipv4/ip_gre.c:459) ip_gre
[ 41.938437][ C2] ? __pfx_gre_rcv (net/ipv4/ip_gre.c:435) ip_gre
[ 41.938628][ 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)
[ 41.938819][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 41.939013][ C2] ? gre_rcv (./include/linux/rcupdate.h:337 ./include/linux/rcupdate.h:849 net/ipv4/gre_demux.c:159) gre
[ 41.939204][ C2] gre_rcv (net/ipv4/gre_demux.c:163) gre
[ 41.939393][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5))
[ 41.939585][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 41.939777][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:878 net/ipv4/ip_input.c:234)
[ 41.939967][ C2] ? __pfx_update_sd_lb_stats.constprop.0 (kernel/sched/fair.c:11021)
[ 41.940205][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 41.940398][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 41.940587][ C2] ? ip_fast_csum (lib/checksum.c:99)
[ 41.940805][ C2] ? ip_rcv_finish_core (./include/net/net_namespace.h:393 (discriminator 3) ./include/linux/netdevice.h:2652 (discriminator 3) net/ipv4/ip_input.c:372 (discriminator 3))
[ 41.940994][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 41.941185][ 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)
[ 41.941329][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 41.941520][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:560)
[ 41.941715][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 41.941902][ C2] __netif_receive_skb_one_core (net/core/dev.c:5727 (discriminator 4))
[ 41.942135][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 41.942370][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 41.942558][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 41.942748][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 41.942936][ C2] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783)
[ 41.943130][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 41.943326][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 41.943525][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 41.943713][ C2] ? sched_balance_domains (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 kernel/sched/fair.c:12230)
[ 41.943903][ C2] ? spin_bug (kernel/locking/spinlock_debug.c:57 kernel/locking/spinlock_debug.c:78)
[ 41.944047][ C2] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12161)
[ 41.944280][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 41.944471][ C2] handle_softirqs (kernel/softirq.c:561)
[ 41.944670][ C2] __irq_exit_rcu (kernel/softirq.c:596 kernel/softirq.c:435 kernel/softirq.c:662)
[ 41.944860][ C2] irq_exit_rcu (kernel/softirq.c:680)
[ 41.945001][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049)
[   41.945192][    C2]  </IRQ>
[   41.945290][    C2]  <TASK>
[ 41.945386][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[ 41.945625][ C2] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:92 arch/x86/kernel/process.c:743)
[ 41.945819][ C2] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 14 38 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
All code
========
   0:	4c 01 c7             	add    %r8,%rdi
   3:	4c 29 c2             	sub    %r8,%rdx
   6:	e9 72 ff ff ff       	jmp    0xffffffffffffff7d
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d 13 14 38 00 	verw   0x381413(%rip)        # 0x38143b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	fa                   	cli		<-- trapping instruction
  2b:	c3                   	ret
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  37:	00 00 00 00 
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	fa                   	cli
   1:	c3                   	ret
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
   d:	00 00 00 00 
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
[   41.946484][    C2] RSP: 0018:ffffc90000167df8 EFLAGS: 00000246
[   41.946730][    C2] RAX: ffff888036100000 RBX: 1ffff9200002cfc1 RCX: ffffffffa02df9a5
[   41.947013][    C2] RDX: ffffed1006c270ab RSI: 0000000000000004 RDI: ffffffff9db6a774
[   41.947307][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1006c270aa
[   41.947589][    C2] R10: ffff888036138553 R11: ffffffffa3e274b8 R12: 0000000000000000
[   41.947872][    C2] R13: ffff888001ba8040 R14: dffffc0000000000 R15: 0000000000000000
[ 41.948158][ C2] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147)
[ 41.948353][ C2] ? cpuidle_idle_call (kernel/sched/idle.c:186)
[ 41.948545][ C2] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118)
[ 41.948737][ C2] cpuidle_idle_call (kernel/sched/idle.c:186)
[ 41.948926][ C2] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168)
[ 41.949115][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 41.949307][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 41.949542][ C2] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59)
[ 41.949740][ C2] do_idle (kernel/sched/idle.c:325)
[ 41.949884][ C2] cpu_startup_entry (kernel/sched/idle.c:422 (discriminator 1))
[ 41.950073][ C2] start_secondary (arch/x86/kernel/smpboot.c:202 arch/x86/kernel/smpboot.c:282)
[ 41.950261][ C2] ? __pfx_start_secondary (arch/x86/kernel/smpboot.c:232)
[ 41.950450][ C2] common_startup_64 (arch/x86/kernel/head_64.S:415)
| [   45.616137][    C0] preempt_count: 101, expected: 0
| [   45.616302][    C0] RCU nest depth: 3, expected: 0
| [   45.616488][    C0] INFO: lockdep is turned off.
| [   45.616992][    C0] Tainted: [W]=WARN
[   45.617117][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.617328][    C0] Call Trace:
[   45.617462][    C0]  <IRQ>
[ 45.617548][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 45.617725][ C0] __might_resched (kernel/sched/core.c:8759)
[ 45.617897][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 45.618114][ 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)
[ 45.618322][ C0] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 45.618489][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 45.618663][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 45.618837][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 45.619007][ C0] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 45.619213][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 45.619383][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 45.619560][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 45.619726][ C0] skb_copy (net/core/skbuff.c:2221)
[ 45.619853][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 45.620023][ C0] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 45.620237][ C0] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 45.620493][ C0] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 45.620681][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 45.620856][ C0] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 45.621021][ C0] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 45.621186][ C0] ? __pfx_nf_ingress (net/core/dev.c:5491)
[ 45.621352][ C0] ? tc_run (net/core/dev.c:4044)
[ 45.621481][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 45.621649][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 45.621813][ C0] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 45.621981][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 45.622105][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 45.622269][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 45.622432][ C0] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 45.622597][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 45.622762][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 45.622926][ 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)
[ 45.623051][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 45.623225][ C0] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 45.623392][ 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)
[ 45.623562][ C0] ? place_entity (kernel/sched/fair.c:5280)
[ 45.623726][ C0] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 45.623891][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 45.624055][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 45.624218][ C0] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 45.624423][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 45.624642][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 45.624808][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 45.624976][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 45.625140][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 45.625311][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 45.625493][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 45.625660][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 45.625835][ C0] ? swake_up_one (./include/linux/list.h:373 kernel/sched/swait.c:25 kernel/sched/swait.c:52)
[ 45.626002][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 45.626170][ C0] handle_softirqs (kernel/softirq.c:561)
[ 45.626340][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 45.626507][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   45.626633][    C0]  </IRQ>
[   45.626720][    C0]  <TASK>
[ 45.626805][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 45.626973][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 45.627137][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 45.627307][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 45.627471][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 45.627640][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 45.627806][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 45.627970][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 45.628185][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 45.628353][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 45.628536][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 45.628702][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 45.628870][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 45.629033][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 45.629197][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 45.629366][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 45.629530][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 45.629694][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 45.629857][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 45.630025][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 45.630193][ C0] ? sock_ioctl (net/socket.c:1342)
[ 45.630356][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 45.630522][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 45.630702][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 45.630870][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 45.631034][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 45.631198][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 45.631409][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 45.631578][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   45.631788][    C0] RIP: 0033:0x7f07d5172a4a
[ 45.631966][ 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
[   45.632560][    C0] RSP: 002b:00007ffe467919f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   45.632810][    C0] RAX: ffffffffffffffda RBX: 00000000140dc9d0 RCX: 00007f07d5172a4a
[   45.633064][    C0] RDX: 000000000000002a RSI: 00000000140dcc92 RDI: 0000000000000005
[   45.633311][    C0] RBP: 00000000140dcc92 R08: 00007ffe46791a00 R09: 0000000000000014
[   45.633566][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   45.633812][    C0] R13: 000000000000002a R14: 00007ffe46791a00 R15: 0000000000000000
| [   47.650174][    C0] preempt_count: 101, expected: 0
| [   47.650341][    C0] RCU nest depth: 3, expected: 0
| [   47.650498][    C0] INFO: lockdep is turned off.
| [   47.651004][    C0] Tainted: [W]=WARN
[   47.651131][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.651335][    C0] Call Trace:
[   47.651455][    C0]  <IRQ>
[ 47.651536][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 47.651698][ C0] __might_resched (kernel/sched/core.c:8759)
[ 47.651854][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 47.652052][ 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)
[ 47.652261][ C0] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 47.652423][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 47.652580][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 47.652735][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 47.652893][ C0] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 47.653105][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 47.653260][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 47.653416][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 47.653571][ C0] skb_copy (net/core/skbuff.c:2221)
[ 47.653697][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 47.653855][ C0] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 47.654066][ C0] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 47.654299][ C0] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 47.654482][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 47.654652][ C0] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 47.654813][ C0] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 47.654974][ C0] ? __pfx_nf_ingress (net/core/dev.c:5491)
[ 47.655137][ C0] ? tc_run (net/core/dev.c:4044)
[ 47.655255][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 47.655416][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 47.655570][ C0] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 47.655724][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 47.655839][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 47.655996][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 47.656160][ C0] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 47.656315][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 47.656469][ 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)
[ 47.656589][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 47.656746][ C0] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 47.656904][ 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)
[ 47.657061][ C0] ? place_entity (kernel/sched/fair.c:5280)
[ 47.657230][ C0] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 47.657414][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 47.657581][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 47.657745][ C0] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 47.657947][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 47.658148][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 47.658307][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 47.658470][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 47.658638][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 47.658804][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 47.658971][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 47.659134][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 47.659300][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 47.659497][ C0] handle_softirqs (kernel/softirq.c:561)
[ 47.659669][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 47.659830][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   47.659950][    C0]  </IRQ>
[   47.660031][    C0]  <TASK>
[ 47.660109][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 47.660263][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 47.660418][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 47.660579][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 47.660765][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 47.660926][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 47.661082][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 47.661241][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 47.661435][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 47.661594][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 47.661764][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 47.661920][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 47.662081][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 47.662236][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 47.662392][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 47.662556][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 47.662711][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 47.662865][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 47.663021][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 47.663184][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 47.663352][ C0] ? sock_ioctl (net/socket.c:1342)
[ 47.663506][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 47.663663][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 47.663828][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 47.663985][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 47.664153][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 47.664309][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 47.664520][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 47.664678][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   47.664876][    C0] RIP: 0033:0x7f9998213a4a
[ 47.665041][ 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
[   47.665645][    C0] RSP: 002b:00007fffcaa5f1f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   47.665923][    C0] RAX: ffffffffffffffda RBX: 0000000033fc09d0 RCX: 00007f9998213a4a
[   47.666191][    C0] RDX: 000000000000002a RSI: 0000000033fc0c92 RDI: 0000000000000005
[   47.666461][    C0] RBP: 0000000033fc0c92 R08: 00007fffcaa5f200 R09: 0000000000000014
[   47.666739][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   47.667017][    C0] R13: 000000000000002a R14: 00007fffcaa5f200 R15: 0000000000000000
| [   53.968749][    C0] preempt_count: 101, expected: 0
| [   53.968939][    C0] RCU nest depth: 3, expected: 0
| [   53.969127][    C0] INFO: lockdep is turned off.
| [   53.969702][    C0] Tainted: [W]=WARN
[   53.969833][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.970043][    C0] Call Trace:
[   53.970180][    C0]  <IRQ>
[ 53.970271][ C0] dump_stack_lvl (lib/dump_stack.c:123)
[ 53.970451][ C0] __might_resched (kernel/sched/core.c:8759)
[ 53.970639][ C0] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 53.970854][ 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)
[ 53.971071][ C0] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 53.971245][ C0] ? __alloc_skb (net/core/skbuff.c:730)
[ 53.971422][ C0] __alloc_skb (net/core/skbuff.c:730)
[ 53.971599][ C0] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 53.971783][ C0] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 53.971998][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 53.972167][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 53.972335][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 53.972502][ C0] skb_copy (net/core/skbuff.c:2221)
[ 53.972634][ C0] gro_cells_receive (net/core/gro_cells.c:31)
[ 53.972807][ C0] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 53.973027][ C0] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 53.973284][ C0] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 53.973461][ C0] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 53.973634][ C0] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 53.973805][ C0] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 53.973976][ C0] ? __pfx_nf_ingress (net/core/dev.c:5491)
[ 53.974144][ C0] ? tc_run (net/core/dev.c:4044)
[ 53.974279][ C0] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 53.974455][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 53.974625][ C0] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 53.974795][ C0] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 53.974924][ C0] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 53.975093][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 53.975261][ C0] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 53.975433][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 53.975607][ 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)
[ 53.975734][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 53.975908][ C0] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 53.976080][ 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)
[ 53.976250][ C0] ? place_entity (kernel/sched/fair.c:5280)
[ 53.976421][ C0] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 53.976589][ C0] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 53.976759][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 53.976934][ C0] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 53.977148][ C0] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 53.977361][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 53.977530][ C0] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 53.977703][ C0] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 53.977873][ C0] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 53.978041][ C0] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 53.978220][ C0] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 53.978393][ C0] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 53.978562][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 53.978779][ C0] handle_softirqs (kernel/softirq.c:561)
[ 53.978956][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 53.979127][ C0] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   53.979260][    C0]  </IRQ>
[   53.979348][    C0]  <TASK>
[ 53.979441][ C0] __local_bh_enable_ip (kernel/softirq.c:389)
[ 53.979612][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 53.979782][ C0] __dev_queue_xmit (net/core/dev.c:4511)
[ 53.979953][ C0] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 53.980122][ C0] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 53.980296][ C0] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 53.980466][ C0] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 53.980654][ C0] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 53.980867][ C0] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 53.981040][ C0] packet_snd (net/packet/af_packet.c:3132)
[ 53.981214][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 53.981385][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 53.981559][ C0] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 53.981730][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 53.981909][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 53.982079][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 53.982248][ C0] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 53.982422][ C0] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 53.982594][ C0] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 53.982766][ C0] ? __pfx___sys_sendto (net/socket.c:2175)
[ 53.982939][ C0] ? sock_ioctl (net/socket.c:1342)
[ 53.983114][ C0] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 53.983292][ C0] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 53.983461][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 53.983635][ C0] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 53.983807][ C0] __x64_sys_sendto (net/socket.c:2211)
[ 53.983982][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 53.984195][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 53.984370][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   53.984593][    C0] RIP: 0033:0x7fbf04a26a4a
[ 53.984773][ 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
[   53.985376][    C0] RSP: 002b:00007ffc073b6758 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   53.985642][    C0] RAX: ffffffffffffffda RBX: 000000002e1219d0 RCX: 00007fbf04a26a4a
[   53.985895][    C0] RDX: 000000000000002a RSI: 000000002e121c92 RDI: 0000000000000005
[   53.986148][    C0] RBP: 000000002e121c92 R08: 00007ffc073b6760 R09: 0000000000000014
[   53.986404][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[   53.986657][    C0] R13: 000000000000002a R14: 00007ffc073b6760 R15: 0000000000000000
| [   55.999695][    C2] preempt_count: 101, expected: 0
| [   55.999956][    C2] RCU nest depth: 3, expected: 0
| [   56.000206][    C2] INFO: lockdep is turned off.
| [   56.000962][    C2] Tainted: [W]=WARN
[   56.001146][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.001446][    C2] Call Trace:
[   56.001633][    C2]  <IRQ>
[ 56.001760][ C2] dump_stack_lvl (lib/dump_stack.c:123)
[ 56.002006][ C2] __might_resched (kernel/sched/core.c:8759)
[ 56.002257][ C2] ? kmem_cache_alloc_node_noprof (./include/linux/sched/mm.h:321 mm/slub.c:4070 mm/slub.c:4148 mm/slub.c:4220)
[ 56.002573][ 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)
[ 56.002885][ C2] ? __pfx_ip6_pol_route (net/ipv6/route.c:2216)
[ 56.003146][ C2] ? __alloc_skb (net/core/skbuff.c:730)
[ 56.003391][ C2] __alloc_skb (net/core/skbuff.c:730)
[ 56.003639][ C2] ? __pfx___alloc_skb (net/core/skbuff.c:713)
[ 56.003891][ C2] ? __pfx_gre_flags_to_tnl_flags (./include/net/gre.h:66) gre
[ 56.004194][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.004435][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.004679][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.004927][ C2] skb_copy (net/core/skbuff.c:2221)
[ 56.005115][ C2] gro_cells_receive (net/core/gro_cells.c:31)
[ 56.005364][ C2] __ip6_tnl_rcv (net/ipv6/ip6_tunnel.c:881) ip6_tunnel
[ 56.005669][ C2] ? __pfx_ip6ip6_dscp_ecn_decapsulate (net/ipv6/ip6_tunnel.c:725) ip6_tunnel
[ 56.006069][ C2] gre_rcv (net/ipv6/ip6_gre.c:512 net/ipv6/ip6_gre.c:619) ip6_gre
[ 56.006328][ C2] ? ipv6_raw_deliver (net/ipv6/raw.c:142)
[ 56.006581][ C2] ? __pfx_gre_rcv (net/ipv6/ip6_gre.c:600) ip6_gre
[ 56.006843][ C2] ? ipv6_destopt_rcv (net/ipv6/exthdrs.c:325)
[ 56.007086][ C2] ? __pfx_nf_ingress (net/core/dev.c:5491)
[ 56.007323][ C2] ? tc_run (net/core/dev.c:4044)
[ 56.007507][ C2] ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:436 (discriminator 5))
[ 56.007769][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.008021][ C2] ip6_input_finish (./include/linux/rcupdate.h:878 net/ipv6/ip6_input.c:482)
[ 56.008274][ C2] ip6_input (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv6/ip6_input.c:490)
[ 56.008470][ C2] ? __pfx_ip6_input (net/ipv6/ip6_input.c:489)
[ 56.008737][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.008979][ C2] ? ip6_rcv_core (./include/net/sock.h:2778 net/ipv6/ip6_input.c:289)
[ 56.009226][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 56.009470][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.009715][ 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)
[ 56.009898][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 56.010143][ C2] ? enqueue_dl_entity (kernel/sched/deadline.c:2056 (discriminator 1))
[ 56.010385][ 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)
[ 56.010649][ C2] ? place_entity (kernel/sched/fair.c:5280)
[ 56.010898][ C2] ? __pfx___resched_curr (kernel/sched/core.c:1079)
[ 56.011149][ C2] ? __pfx_ipv6_rcv (net/ipv6/ip6_input.c:303)
[ 56.011390][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.011634][ C2] __netif_receive_skb_one_core (net/core/dev.c:5720)
[ 56.011940][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5720)
[ 56.012254][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 56.012497][ C2] ? process_backlog (./include/linux/local_lock_internal.h:38 net/core/dev.c:6170)
[ 56.012747][ C2] process_backlog (./include/linux/rcupdate.h:878 net/core/dev.c:6173)
[ 56.012994][ C2] __napi_poll.constprop.0 (net/core/dev.c:6925)
[ 56.013239][ C2] net_rx_action (net/core/dev.c:6989 net/core/dev.c:7111)
[ 56.013487][ C2] ? __pfx_net_rx_action (net/core/dev.c:7073)
[ 56.013736][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2491)
[ 56.013950][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 56.014160][ C2] handle_softirqs (kernel/softirq.c:561)
[ 56.014329][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 56.014493][ C2] do_softirq (kernel/softirq.c:462 kernel/softirq.c:449)
[   56.014618][    C2]  </IRQ>
[   56.014713][    C2]  <TASK>
[ 56.014798][ C2] __local_bh_enable_ip (kernel/softirq.c:389)
[ 56.014963][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:917 net/core/dev.c:4510)
[ 56.015133][ C2] __dev_queue_xmit (net/core/dev.c:4511)
[ 56.015298][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4392)
[ 56.015461][ C2] ? packet_parse_headers (./include/linux/skbuff.h:3107 net/packet/af_packet.c:1992)
[ 56.015635][ C2] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2870)
[ 56.015802][ C2] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1977)
[ 56.015964][ C2] ? skb_copy_datagram_from_iter (net/core/datagram.c:564)
[ 56.016176][ C2] ? dev_get_by_index (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/dev.c:922)
[ 56.016340][ C2] packet_snd (net/packet/af_packet.c:3132)
[ 56.016510][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 56.016680][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 56.016845][ C2] ? __pfx_packet_snd (net/packet/af_packet.c:2995)
[ 56.017007][ C2] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 56.017169][ C2] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 56.017329][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 56.017496][ C2] ? __might_fault (mm/memory.c:6751 mm/memory.c:6744)
[ 56.017684][ C2] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5862)
[ 56.017948][ C2] __sys_sendto (net/socket.c:711 net/socket.c:726 net/socket.c:2208)
[ 56.018156][ C2] ? __pfx___sys_sendto (net/socket.c:2175)
[ 56.018324][ C2] ? sock_ioctl (net/socket.c:1342)
[ 56.018490][ C2] ? __pfx___up_read (kernel/locking/rwsem.c:1337)
[ 56.018662][ C2] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 37))
[ 56.018822][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 56.018993][ C2] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417)
[ 56.019156][ C2] __x64_sys_sendto (net/socket.c:2211)
[ 56.019307][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40)
[ 56.019509][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 56.019681][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   56.019887][    C2] RIP: 0033:0x7f742593ca4a
[ 56.020060][ 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
[   56.020694][    C2] RSP: 002b:00007fffebcd90a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   56.021092][    C2] RAX: ffffffffffffffda RBX: 00000000051339d0 RCX: 00007f742593ca4a
[   56.021354][    C2] RDX: 000000000000002a RSI: 0000000005133c92 RDI: 0000000000000005
[   56.021606][    C2] RBP: 0000000005133c92 R08: 00007fffebcd90b0 R09: 0000000000000014
[   56.021864][    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