======================================
| [   10.230110][  T193] softirqs last disabled at (39371): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.230114][  T193] Preemption disabled at:
| [   10.230115][  T193] 0x0
| [   10.230126][  T193] Tainted: [W]=WARN
[   10.230127][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.230129][  T193] Call Trace:
[   10.230131][  T193]  <TASK>
[   10.230132][  T193]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.230138][  T193]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.230143][  T193]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.230148][  T193]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.230153][  T193]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.230155][  T193]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.230162][  T193]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.230164][  T193]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.230168][  T193]  put_chars (drivers/char/virtio_console.c:1176)
[   10.230171][  T193]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.230172][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.230182][  T193]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.230188][  T193]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.230195][  T193]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.230197][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.230200][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.230204][  T193]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.230208][  T193]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.230210][  T193]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.230213][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.230216][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.230220][  T193]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.230224][  T193]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.230226][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.230232][  T193]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.230235][  T193]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.230237][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.230239][  T193]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.230243][  T193]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.230245][  T193]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.230248][  T193]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.230252][  T193]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.230256][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.230260][  T193]  _printk (kernel/printk/printk.c:2504)
[   10.230264][  T193]  ? snapshot_read.cold (user.c:?)
[   10.230267][  T193]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.230269][  T193]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.230275][  T193]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.230278][  T193]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.230282][  T193]  ? exit_notify (kernel/exit.c:780)
[   10.230284][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.230287][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.230291][  T193]  do_group_exit (kernel/exit.c:1151)
[   10.230294][  T193]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.230296][  T193]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.230298][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.230301][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.230304][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.230306][  T193] RIP: 0033:0x7f669da911b8
[   10.230308][  T193] Code: Unable to access opcode bytes at 0x7f669da9118e.

Code starting with the faulting instruction
===========================================
[   10.230310][  T193] RSP: 002b:00007ffddea77318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.230312][  T193] RAX: ffffffffffffffda RBX: 00007f669dbc1f88 RCX: 00007f669da911b8
[   10.230314][  T193] RDX: 00007f669d7dbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.230315][  T193] RBP: 00007ffddea77370 R08: 0000000000000000 R09: 0000000000008010
[   10.230316][  T193] R10: 00007ffddea77130 R11: 0000000000000246 R12: 0000000000000001
[   10.230316][  T193] R13: 0000000000000000 R14: 00007f669dbc0680 R15: 00007f669dbc1fa0
| [   11.253751][  T239] softirqs last disabled at (20366): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.253754][  T239] Preemption disabled at:
| [   11.253754][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.253764][  T239] Tainted: [W]=WARN
[   11.253764][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.253766][  T239] Call Trace:
[   11.253768][  T239]  <TASK>
[   11.253769][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.253775][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.253777][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.253782][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.253786][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.253791][  T239]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.253793][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.253799][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.253802][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.253805][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   11.253806][  T239]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   11.253809][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.253812][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.253816][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.253818][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.253822][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.253825][  T239]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.253826][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.253828][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.253832][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.253834][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.253837][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.253839][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.253843][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.253847][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.253848][  T239]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.253851][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.253854][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.253857][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.253862][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.253863][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.253868][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.253871][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.253873][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.253875][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.253879][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.253880][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.253884][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.253888][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.253890][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.253893][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.253896][  T239]  _printk (kernel/printk/printk.c:2504)
[   11.253900][  T239]  ? snapshot_read.cold (user.c:?)
[   11.253904][  T239]  ? br_multicast_flood (??:?) bridge
[   11.253916][  T239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.253917][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.253919][  T239]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.253923][  T239] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.253933][  T239] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.253941][  T239] new_nbp (net/bridge/br_if.c:449) bridge
[   11.253950][  T239] br_add_if (net/bridge/br_if.c:592) bridge
[   11.253957][  T239]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.253960][  T239]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.253963][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   11.253967][  T239]  do_set_master (net/core/rtnetlink.c:3071)
[   11.253971][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.253974][  T239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.253977][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.253978][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.253980][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.253983][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.253986][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.253988][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.253990][  T239]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.253993][  T239]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.253995][  T239]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.253997][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.253999][  T239]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.254002][  T239]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.254007][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.254008][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.254011][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.254013][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.254015][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.254016][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.254019][  T239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.254022][  T239]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.254025][  T239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.254027][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.254031][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.254032][  T239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.254037][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.254042][  T239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.254047][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.254049][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.254053][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.254055][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.254057][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.254059][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.254063][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.254065][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.254067][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.254069][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.254073][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.254075][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.254078][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.254080][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.254083][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.254089][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.254090][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.254094][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.254098][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.254100][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.254104][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.254108][  T239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.254114][  T239]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.254119][  T239]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.254121][  T239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.254123][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.254125][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   11.254132][  T239]  ___sys_sendmsg (net/socket.c:2767)
[   11.254135][  T239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.254150][  T239]  __sys_sendmsg (net/socket.c:2799)
[   11.254153][  T239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.254159][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.254162][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.254165][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.254168][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.254170][  T239] RIP: 0033:0x7f35b2e9754e
[   11.254173][  T239] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.254175][  T239] RSP: 002b:00007ffdd6a50370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.254178][  T239] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f35b2e9754e
[   11.254185][  T239] RDX: 0000000000000000 RSI: 00007ffdd6a50420 RDI: 0000000000000005
[   11.254186][  T239] RBP: 00007ffdd6a50380 R08: 0000000000000000 R09: 0000000000000000
[   11.254186][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a2e
[   11.254187][  T239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6a50ae0
| [   18.969300][  T291] softirqs last disabled at (19140): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   18.969303][  T291] Preemption disabled at:
| [   18.969304][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.969316][  T291] Tainted: [W]=WARN
[   18.969317][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.969319][  T291] Call Trace:
[   18.969321][  T291]  <TASK>
[   18.969324][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.969331][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.969334][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.969340][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.969346][  T291]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.969354][  T291]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.969357][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.969366][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.969369][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.969374][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   18.969377][  T291]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.969380][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.969385][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.969390][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.969397][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.969401][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969403][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969411][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.969413][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.969418][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969423][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.969429][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.969436][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.969438][  T291]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.969443][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969447][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.969454][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.969461][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.969463][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969472][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.969476][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.969479][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969482][  T291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.969489][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.969491][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.969497][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.969503][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.969505][  T291]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.969509][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969511][  T291]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   18.969514][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.969520][  T291]  _printk (kernel/printk/printk.c:2504)
[   18.969524][  T291]  ? snapshot_read.cold (user.c:?)
[   18.969529][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.969532][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.969535][  T291]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.969540][  T291]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.969546][  T291]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.969550][  T291]  ? netdev_notice (net/core/dev.c:13194)
[   18.969557][  T291]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   18.969560][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.969564][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.969568][  T291]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   18.969573][  T291]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   18.969580][  T291]  __dev_change_flags (net/core/dev.c:9821)
[   18.969585][  T291]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   18.969588][  T291]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   18.969592][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   18.969594][  T291]  ? write_profile (profile.c:?)
[   18.969598][  T291]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   18.969605][  T291]  netif_change_flags (net/core/dev.c:9877)
[   18.969611][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.969618][  T291]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.969621][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.969623][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.969626][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.969631][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.969635][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.969638][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.969642][  T291]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.969645][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.969648][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.969652][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969655][  T291]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   18.969659][  T291]  ? ___sys_sendmsg (net/socket.c:2757)
[   18.969666][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.969669][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.969674][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969678][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.969680][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969682][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969686][  T291]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.969691][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.969694][  T291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.969698][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.969704][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.969713][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.969723][  T291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.969733][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.969736][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969743][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.969746][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.969749][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.969752][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.969759][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.969762][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.969768][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.969770][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969778][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.969781][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.969787][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.969789][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.969794][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.969805][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   18.969808][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   18.969815][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.969821][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.969826][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.969833][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.969840][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.969846][  T291]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.969855][  T291]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   18.969859][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.969862][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   18.969865][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   18.969878][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   18.969883][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.969912][  T291]  __sys_sendmsg (net/socket.c:2799)
[   18.969917][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.969927][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.969934][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.969937][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.969942][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.969945][  T291] RIP: 0033:0x7fc2dc23754e
[   18.969950][  T291] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.969952][  T291] RSP: 002b:00007ffc4a944410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.969956][  T291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc2dc23754e
[   18.969958][  T291] RDX: 0000000000000000 RSI: 00007ffc4a9444c0 RDI: 0000000000000005
[   18.969959][  T291] RBP: 00007ffc4a944420 R08: 0000000000000000 R09: 0000000000000000
[   18.969961][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a36
[   18.969962][  T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4a944b80
| [   26.484387][    C0] softirqs last disabled at (521531): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.484389][    C0] Preemption disabled at:
| [   26.484389][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.484399][    C0] Tainted: [W]=WARN
[   26.484400][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.484402][    C0] Call Trace:
[   26.484404][    C0]  <IRQ>
[   26.484405][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.484411][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.484412][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.484416][    C0]  ? __netif_receive_skb_one_core (net/core/dev.c:6262)
[   26.484419][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.484423][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.484425][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484429][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.484433][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.484436][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.484439][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.484441][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.484443][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.484445][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.484446][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.484450][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.484453][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.484454][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484456][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.484458][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.484461][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.484462][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484464][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484466][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.484467][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.484469][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.484471][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.484474][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.484476][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.484477][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.484479][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484480][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.484482][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.484484][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.484485][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.484487][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.484490][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.484491][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484493][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.484495][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.484499][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.484502][    C0]  ? snapshot_read.cold (user.c:?)
[   26.484504][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.484508][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.484510][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.484512][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.484514][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.484517][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.484519][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.484520][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.484522][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.484524][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.484537][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484538][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.484540][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.484546][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.484548][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.484554][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.484560][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.484566][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.484569][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.484571][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.484574][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.484576][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.484578][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484580][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.484582][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.484588][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.484590][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.484593][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.484595][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.484597][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.484599][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.484601][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484603][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.484605][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.484606][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.484608][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.484610][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.484611][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.484614][    C0]  </IRQ>
[   26.484614][    C0]  <TASK>
[   26.484615][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.484617][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.484619][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.484622][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.484624][    C0] RSP: 0018:ffffffffa6e07cf8 EFLAGS: 00000296
[   26.484627][    C0] RAX: 000000000007f539 RBX: ffffffffa6e1c600 RCX: ffffffffa3ef0307
[   26.484628][    C0] RDX: ffffffffa6e1c600 RSI: ffffffffa6c38af6 RDI: ffffffffa668d8e0
[   26.484629][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.484630][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4dc0fa2
[   26.484630][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.484632][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.484635][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.484636][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.484638][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.484640][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.484641][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.484643][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.484645][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.484647][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.484649][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.484650][    C0]  rest_init (init/main.c:727)
[   26.484652][    C0]  ? __cpuidle_text_end (??:?)
[   26.484655][    C0]  ? rest_init (init/main.c:727)
[   26.484657][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.484660][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.484663][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.484665][    C0]  start_kernel (init/main.c:1185)
[   26.484667][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.484669][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.484671][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.558477][    C0]
| [   26.558550][    C0]
| [   26.558550][    C0] stack backtrace:
| [   26.558785][    C0] Tainted: [W]=WARN
[   26.558786][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.558787][    C0] Call Trace:
[   26.558789][    C0]  <IRQ>
[   26.558789][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.558794][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.558797][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.558800][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.558802][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.558804][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.558806][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.558807][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.558814][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558817][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.558819][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.558825][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.558826][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.558832][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.558838][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.558844][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.558846][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.558848][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.558852][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.558853][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.558855][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558857][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.558859][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.558865][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.558867][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.558870][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.558872][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.558874][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.558875][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.558878][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558879][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.558881][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.558883][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.558885][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.558886][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.558887][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.558889][    C0]  </IRQ>
[   26.558890][    C0]  <TASK>
[   26.558890][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.558892][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.558894][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.558896][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.558898][    C0] RSP: 0018:ffffffffa6e07cf8 EFLAGS: 00000296
[   26.558900][    C0] RAX: 000000000007f539 RBX: ffffffffa6e1c600 RCX: ffffffffa3ef0307
[   26.558901][    C0] RDX: ffffffffa6e1c600 RSI: ffffffffa6c38af6 RDI: ffffffffa668d8e0
[   26.558902][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.558903][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4dc0fa2
[   26.558904][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.558905][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.558907][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.558909][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.558910][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.558912][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.558913][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.558915][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.558917][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558919][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.558921][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.558922][    C0]  rest_init (init/main.c:727)
[   26.558924][    C0]  ? __cpuidle_text_end (??:?)
[   26.558927][    C0]  ? rest_init (init/main.c:727)
[   26.558928][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.558932][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.558935][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.558937][    C0]  start_kernel (init/main.c:1185)
[   26.558938][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.558940][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.558942][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   43.814143][  T327] softirqs last disabled at (0): 0x0
| [   43.814145][  T327] Preemption disabled at:
| [   43.814146][  T327] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.814156][  T327] Tainted: [W]=WARN
[   43.814157][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.814159][  T327] Call Trace:
[   43.814160][  T327]  <TASK>
[   43.814161][  T327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.814167][  T327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.814168][  T327]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.814172][  T327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.814175][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814179][  T327]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.814182][  T327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.814185][  T327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.814188][  T327]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.814190][  T327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.814192][  T327]  put_chars (drivers/char/virtio_console.c:1176)
[   43.814193][  T327]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   43.814195][  T327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.814197][  T327]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.814199][  T327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.814203][  T327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.814204][  T327]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   43.814205][  T327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.814207][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814208][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814210][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814212][  T327]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.814215][  T327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.814216][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814218][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814220][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814221][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814223][  T327]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.814225][  T327]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.814227][  T327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.814229][  T327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.814231][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814233][  T327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.814234][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814236][  T327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.814237][  T327]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.814238][  T327]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.814241][  T327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.814242][  T327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.814244][  T327]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.814247][  T327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.814248][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814250][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814252][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814254][  T327]  _printk (kernel/printk/printk.c:2504)
[   43.814257][  T327]  ? snapshot_read.cold (user.c:?)
[   43.814258][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814260][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814262][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814263][  T327]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.814266][  T327]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.814267][  T327]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.814269][  T327]  ? netdev_notice (net/core/dev.c:13194)
[   43.814271][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814273][  T327]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   43.814277][  T327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.814279][  T327]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.814280][  T327]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.814283][  T327]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.814286][  T327]  __dev_change_flags (net/core/dev.c:9821)
[   43.814291][  T327]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.814292][  T327]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.814295][  T327]  ? __kernel_text_address (kernel/extable.c:79)
[   43.814296][  T327]  ? write_profile (profile.c:?)
[   43.814304][  T327]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.814306][  T327]  netif_change_flags (net/core/dev.c:9877)
[   43.814309][  T327]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.814312][  T327]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.814314][  T327]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.814315][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814316][  T327]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.814320][  T327]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.814323][  T327]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.814324][  T327]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.814326][  T327]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.814327][  T327]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.814328][  T327]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.814330][  T327]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.814331][  T327]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.814333][  T327]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.814335][  T327]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.814336][  T327]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.814338][  T327]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.814339][  T327]  ? __sys_sendmsg (net/socket.c:2799)
[   43.814341][  T327]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.814344][  T327]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.814345][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814347][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814349][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814350][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814352][  T327]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.814354][  T327]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   43.814356][  T327]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.814357][  T327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.814358][  T327]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.814360][  T327]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.814362][  T327]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.814364][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814366][  T327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.814367][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814368][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814370][  T327]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.814374][  T327]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.814375][  T327]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.814376][  T327]  ? __kernel_text_address (kernel/extable.c:79)
[   43.814378][  T327]  ? write_profile (profile.c:?)
[   43.814379][  T327]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.814380][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814382][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814383][  T327]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.814386][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814388][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814389][  T327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.814391][  T327]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.814392][  T327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.814393][  T327]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.814395][  T327]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.814397][  T327]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.814399][  T327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.814400][  T327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.814401][  T327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.814403][  T327]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.814405][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814407][  T327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.814409][  T327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.814410][  T327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.814412][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814414][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814415][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.814417][  T327]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.814419][  T327]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.814421][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814422][  T327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.814424][  T327]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.814426][  T327]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.814427][  T327]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.814429][  T327]  ? move_addr_to_kernel (net/socket.c:258)
[   43.814430][  T327]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.814433][  T327]  ___sys_sendmsg (net/socket.c:2767)
[   43.814434][  T327]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.814439][  T327]  __sys_sendmsg (net/socket.c:2799)
[   43.814441][  T327]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.814444][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.814446][  T327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.814447][  T327]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.814449][  T327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.814450][  T327] RIP: 0033:0x7f72f372854e
[   43.814452][  T327] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.814454][  T327] RSP: 002b:00007fffb96255e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.814458][  T327] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f72f372854e
[   43.814459][  T327] RDX: 0000000000000000 RSI: 00007fffb9625690 RDI: 0000000000000005
[   43.814460][  T327] RBP: 00007fffb96255f0 R08: 0000000000000000 R09: 0000000000000000
[   43.814461][  T327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a4f
[   43.814462][  T327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb9625d50
| [   45.084944][  T348] softirqs last disabled at (0): 0x0
| [   45.084946][  T348] Preemption disabled at:
| [   45.084946][  T348] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.084957][  T348] Tainted: [W]=WARN
[   45.084958][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.084960][  T348] Call Trace:
[   45.084961][  T348]  <TASK>
[   45.084962][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.084968][  T348]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.084970][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.084974][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.084977][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.084980][  T348]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.084984][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.084986][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.084991][  T348]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.084992][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.084994][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   45.084996][  T348]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   45.084997][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.084999][  T348]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   45.085002][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.085005][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.085006][  T348]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   45.085007][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.085009][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085010][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085012][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085014][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.085017][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.085018][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085020][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085022][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085023][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085025][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.085027][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.085029][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.085032][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.085033][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085035][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.085036][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085038][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.085039][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.085040][  T348]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.085042][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.085045][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.085046][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.085049][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.085050][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085052][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085054][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085055][  T348]  _printk (kernel/printk/printk.c:2504)
[   45.085059][  T348]  ? snapshot_read.cold (user.c:?)
[   45.085060][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085062][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085063][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085065][  T348]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.085068][  T348]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.085069][  T348]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.085071][  T348]  ? netdev_notice (net/core/dev.c:13194)
[   45.085073][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085075][  T348]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   45.085076][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.085078][  T348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.085080][  T348]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.085083][  T348]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   45.085086][  T348]  __dev_change_flags (net/core/dev.c:9821)
[   45.085090][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.085092][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.085094][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   45.085095][  T348]  ? write_profile (profile.c:?)
[   45.085097][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.085100][  T348]  netif_change_flags (net/core/dev.c:9877)
[   45.085103][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.085106][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.085107][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.085109][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085111][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.085115][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.085118][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.085119][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.085120][  T348]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.085122][  T348]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.085123][  T348]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.085124][  T348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.085125][  T348]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.085128][  T348]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.085129][  T348]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.085130][  T348]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.085133][  T348]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.085134][  T348]  ? __sys_sendmsg (net/socket.c:2799)
[   45.085136][  T348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.085138][  T348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.085140][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085142][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085143][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085145][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085146][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.085148][  T348]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.085150][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.085151][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.085153][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.085155][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.085157][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.085159][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085161][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.085162][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085163][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085165][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.085168][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.085170][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.085171][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   45.085173][  T348]  ? write_profile (profile.c:?)
[   45.085174][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.085175][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085177][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085178][  T348]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.085182][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085183][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085185][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.085186][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.085188][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.085189][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.085190][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.085193][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.085194][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.085195][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.085197][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.085198][  T348]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.085200][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085202][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.085204][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.085206][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.085207][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085209][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085211][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.085212][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.085214][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.085216][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085218][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.085219][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.085221][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.085222][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.085224][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   45.085225][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.085228][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   45.085229][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.085234][  T348]  __sys_sendmsg (net/socket.c:2799)
[   45.085236][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.085238][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.085240][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.085242][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.085244][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.085245][  T348] RIP: 0033:0x7feabaefb54e
[   45.085247][  T348] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.085249][  T348] RSP: 002b:00007ffd181c1920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.085252][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007feabaefb54e
[   45.085254][  T348] RDX: 0000000000000000 RSI: 00007ffd181c19d0 RDI: 0000000000000005
[   45.085255][  T348] RBP: 00007ffd181c1930 R08: 0000000000000000 R09: 0000000000000000
[   45.085255][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a50
[   45.085256][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd181c2090
| [   46.297402][  T359] softirqs last disabled at (0): 0x0
| [   46.297404][  T359] Preemption disabled at:
| [   46.297405][  T359] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.297416][  T359] Tainted: [W]=WARN
[   46.297417][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.297419][  T359] Call Trace:
[   46.297420][  T359]  <TASK>
[   46.297421][  T359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.297427][  T359]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.297429][  T359]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.297432][  T359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.297436][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297439][  T359]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.297443][  T359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.297446][  T359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.297449][  T359]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.297451][  T359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.297453][  T359]  put_chars (drivers/char/virtio_console.c:1176)
[   46.297455][  T359]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   46.297456][  T359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.297458][  T359]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   46.297460][  T359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.297464][  T359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.297465][  T359]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   46.297466][  T359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.297468][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297470][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297471][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297473][  T359]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.297476][  T359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.297478][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297479][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297481][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297483][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297484][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.297486][  T359]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.297488][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.297491][  T359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.297493][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297494][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.297496][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297497][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.297499][  T359]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.297500][  T359]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.297502][  T359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.297503][  T359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.297505][  T359]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.297508][  T359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.297510][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297511][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297513][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297515][  T359]  _printk (kernel/printk/printk.c:2504)
[   46.297518][  T359]  ? snapshot_read.cold (user.c:?)
[   46.297519][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297521][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297522][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297524][  T359]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.297527][  T359]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.297528][  T359]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.297530][  T359]  ? netdev_notice (net/core/dev.c:13194)
[   46.297531][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297533][  T359]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   46.297535][  T359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.297537][  T359]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.297538][  T359]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.297541][  T359]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   46.297544][  T359]  __dev_change_flags (net/core/dev.c:9821)
[   46.297549][  T359]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.297551][  T359]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.297553][  T359]  ? __kernel_text_address (kernel/extable.c:79)
[   46.297554][  T359]  ? write_profile (profile.c:?)
[   46.297556][  T359]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.297559][  T359]  netif_change_flags (net/core/dev.c:9877)
[   46.297562][  T359]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.297565][  T359]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.297567][  T359]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.297568][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297569][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.297573][  T359]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.297576][  T359]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.297577][  T359]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.297579][  T359]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.297580][  T359]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.297582][  T359]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   46.297583][  T359]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.297584][  T359]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.297586][  T359]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.297588][  T359]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.297589][  T359]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.297591][  T359]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.297592][  T359]  ? __sys_sendmsg (net/socket.c:2799)
[   46.297594][  T359]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.297597][  T359]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.297599][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297600][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297602][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297603][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297605][  T359]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.297607][  T359]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   46.297609][  T359]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.297610][  T359]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.297612][  T359]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.297614][  T359]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.297616][  T359]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.297618][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297619][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.297620][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297622][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297624][  T359]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   46.297627][  T359]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.297629][  T359]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.297630][  T359]  ? __kernel_text_address (kernel/extable.c:79)
[   46.297631][  T359]  ? write_profile (profile.c:?)
[   46.297632][  T359]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.297633][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297635][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297637][  T359]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.297640][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297642][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297643][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.297645][  T359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.297646][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.297647][  T359]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.297649][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.297651][  T359]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.297652][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.297654][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.297655][  T359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.297656][  T359]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.297658][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297660][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.297662][  T359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.297664][  T359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.297665][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297667][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297669][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.297670][  T359]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.297672][  T359]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.297674][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297676][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.297677][  T359]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.297679][  T359]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.297680][  T359]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.297682][  T359]  ? move_addr_to_kernel (net/socket.c:258)
[   46.297683][  T359]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.297686][  T359]  ___sys_sendmsg (net/socket.c:2767)
[   46.297687][  T359]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.297692][  T359]  __sys_sendmsg (net/socket.c:2799)
[   46.297694][  T359]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.297696][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.297698][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.297699][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.297701][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.297703][  T359] RIP: 0033:0x7f57afa9554e
[   46.297705][  T359] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.297706][  T359] RSP: 002b:00007ffc06da82b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.297710][  T359] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f57afa9554e
[   46.297711][  T359] RDX: 0000000000000000 RSI: 00007ffc06da8360 RDI: 0000000000000005
[   46.297712][  T359] RBP: 00007ffc06da82c0 R08: 0000000000000000 R09: 0000000000000000
[   46.297713][  T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a51
[   46.297714][  T359] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc06da8a20
| [   47.543759][  T371] softirqs last disabled at (0): 0x0
| [   47.543761][  T371] Preemption disabled at:
| [   47.543762][  T371] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.543773][  T371] Tainted: [W]=WARN
[   47.543774][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.543776][  T371] Call Trace:
[   47.543778][  T371]  <TASK>
[   47.543779][  T371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.543784][  T371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.543786][  T371]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.543790][  T371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.543794][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543797][  T371]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.543801][  T371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.543804][  T371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.543807][  T371]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.543809][  T371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.543811][  T371]  put_chars (drivers/char/virtio_console.c:1176)
[   47.543813][  T371]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   47.543814][  T371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.543816][  T371]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   47.543819][  T371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.543822][  T371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.543823][  T371]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   47.543825][  T371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.543826][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543828][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543829][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543832][  T371]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.543834][  T371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.543836][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543837][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543839][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543841][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543842][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.543844][  T371]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.543846][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.543849][  T371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.543851][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543852][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.543854][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543855][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.543857][  T371]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.543858][  T371]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   47.543860][  T371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.543862][  T371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.543864][  T371]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.543866][  T371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.543868][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543870][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543871][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543873][  T371]  _printk (kernel/printk/printk.c:2504)
[   47.543876][  T371]  ? snapshot_read.cold (user.c:?)
[   47.543878][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543880][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543881][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543883][  T371]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.543886][  T371]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.543888][  T371]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.543889][  T371]  ? netdev_notice (net/core/dev.c:13194)
[   47.543891][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543893][  T371]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   47.543894][  T371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.543896][  T371]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.543898][  T371]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.543901][  T371]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   47.543904][  T371]  __dev_change_flags (net/core/dev.c:9821)
[   47.543908][  T371]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.543910][  T371]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.543912][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   47.543913][  T371]  ? write_profile (profile.c:?)
[   47.543916][  T371]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.543919][  T371]  netif_change_flags (net/core/dev.c:9877)
[   47.543921][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.543925][  T371]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.543926][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.543927][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543929][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.543933][  T371]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.543936][  T371]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.543937][  T371]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.543939][  T371]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.543940][  T371]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   47.543942][  T371]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   47.543943][  T371]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.543944][  T371]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.543947][  T371]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.543948][  T371]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.543949][  T371]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.543952][  T371]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.543953][  T371]  ? __sys_sendmsg (net/socket.c:2799)
[   47.543955][  T371]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.543958][  T371]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.543960][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543961][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543963][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543964][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543966][  T371]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.543968][  T371]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.543970][  T371]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.543972][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.543973][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.543975][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.543977][  T371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.543979][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543981][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.543982][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.543983][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543985][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.543989][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.543990][  T371]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.543992][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   47.543993][  T371]  ? write_profile (profile.c:?)
[   47.543994][  T371]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.543995][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543997][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.543998][  T371]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.544002][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.544003][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.544005][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.544006][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.544008][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.544009][  T371]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.544010][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.544013][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.544014][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.544015][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.544017][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.544018][  T371]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.544020][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.544022][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.544024][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.544026][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.544028][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.544029][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.544031][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.544033][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.544035][  T371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.544036][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.544038][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.544040][  T371]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.544042][  T371]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.544043][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.544045][  T371]  ? move_addr_to_kernel (net/socket.c:258)
[   47.544046][  T371]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.544048][  T371]  ___sys_sendmsg (net/socket.c:2767)
[   47.544050][  T371]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.544055][  T371]  __sys_sendmsg (net/socket.c:2799)
[   47.544057][  T371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.544059][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.544061][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.544062][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.544065][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.544067][  T371] RIP: 0033:0x7fa9bd03454e
[   47.544069][  T371] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.544070][  T371] RSP: 002b:00007ffc2a21e830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.544074][  T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa9bd03454e
[   47.544076][  T371] RDX: 0000000000000000 RSI: 00007ffc2a21e8e0 RDI: 0000000000000005
[   47.544076][  T371] RBP: 00007ffc2a21e840 R08: 0000000000000000 R09: 0000000000000000
[   47.544077][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a53
[   47.544078][  T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2a21efa0
| [   48.764615][  T382] softirqs last disabled at (0): 0x0
| [   48.764617][  T382] Preemption disabled at:
| [   48.764618][  T382] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.764629][  T382] Tainted: [W]=WARN
[   48.764630][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.764632][  T382] Call Trace:
[   48.764633][  T382]  <TASK>
[   48.764634][  T382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.764640][  T382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.764641][  T382]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.764645][  T382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.764648][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764652][  T382]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.764655][  T382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   48.764658][  T382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.764661][  T382]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.764663][  T382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.764665][  T382]  put_chars (drivers/char/virtio_console.c:1176)
[   48.764667][  T382]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   48.764668][  T382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.764670][  T382]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   48.764673][  T382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.764676][  T382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.764677][  T382]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   48.764679][  T382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   48.764680][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764682][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764684][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764686][  T382]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.764688][  T382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.764690][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764692][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764693][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764695][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764697][  T382]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   48.764699][  T382]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.764701][  T382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.764703][  T382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.764705][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764707][  T382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.764708][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764710][  T382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.764711][  T382]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.764712][  T382]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   48.764714][  T382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.764716][  T382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.764718][  T382]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.764720][  T382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.764722][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764724][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764725][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764727][  T382]  _printk (kernel/printk/printk.c:2504)
[   48.764730][  T382]  ? snapshot_read.cold (user.c:?)
[   48.764732][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764734][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764736][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764737][  T382]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.764740][  T382]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.764742][  T382]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.764743][  T382]  ? netdev_notice (net/core/dev.c:13194)
[   48.764745][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764747][  T382]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   48.764749][  T382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   48.764750][  T382]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.764752][  T382]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   48.764755][  T382]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   48.764758][  T382]  __dev_change_flags (net/core/dev.c:9821)
[   48.764763][  T382]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   48.764764][  T382]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.764767][  T382]  ? __kernel_text_address (kernel/extable.c:79)
[   48.764768][  T382]  ? write_profile (profile.c:?)
[   48.764770][  T382]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.764773][  T382]  netif_change_flags (net/core/dev.c:9877)
[   48.764776][  T382]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   48.764779][  T382]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.764781][  T382]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.764782][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764784][  T382]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   48.764788][  T382]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.764790][  T382]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.764792][  T382]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.764793][  T382]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.764795][  T382]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   48.764796][  T382]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   48.764797][  T382]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.764798][  T382]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.764801][  T382]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.764802][  T382]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.764804][  T382]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.764806][  T382]  ? ___sys_sendmsg (net/socket.c:2767)
[   48.764807][  T382]  ? __sys_sendmsg (net/socket.c:2799)
[   48.764809][  T382]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.764812][  T382]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.764814][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764815][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764817][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764818][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764820][  T382]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.764822][  T382]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.764824][  T382]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.764826][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.764827][  T382]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.764829][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.764831][  T382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.764833][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764835][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.764836][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764837][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764839][  T382]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   48.764843][  T382]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.764845][  T382]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.764846][  T382]  ? __kernel_text_address (kernel/extable.c:79)
[   48.764847][  T382]  ? write_profile (profile.c:?)
[   48.764848][  T382]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.764849][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764851][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764853][  T382]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   48.764856][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764857][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764859][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.764860][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.764862][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.764863][  T382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   48.764865][  T382]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   48.764867][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.764868][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.764870][  T382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.764871][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.764872][  T382]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   48.764875][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764876][  T382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.764878][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.764880][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.764882][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764883][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764885][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.764887][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.764889][  T382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.764890][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764892][  T382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.764894][  T382]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.764895][  T382]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.764897][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.764899][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   48.764900][  T382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   48.764902][  T382]  ___sys_sendmsg (net/socket.c:2767)
[   48.764904][  T382]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.764909][  T382]  __sys_sendmsg (net/socket.c:2799)
[   48.764911][  T382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.764913][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.764915][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.764916][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.764918][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.764920][  T382] RIP: 0033:0x7f4be796954e
[   48.764922][  T382] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.764924][  T382] RSP: 002b:00007fffc8413050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.764928][  T382] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4be796954e
[   48.764929][  T382] RDX: 0000000000000000 RSI: 00007fffc8413100 RDI: 0000000000000005
[   48.764930][  T382] RBP: 00007fffc8413060 R08: 0000000000000000 R09: 0000000000000000
[   48.764931][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a54
[   48.764931][  T382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc84137c0
| [   52.908136][  T420] softirqs last disabled at (0): 0x0
| [   52.908138][  T420] Preemption disabled at:
| [   52.908138][  T420] 0x0
| [   52.908147][  T420] Tainted: [W]=WARN
[   52.908148][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.908149][  T420] Call Trace:
[   52.908151][  T420]  <TASK>
[   52.908152][  T420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.908157][  T420]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.908162][  T420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.908165][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908169][  T420]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.908173][  T420]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.908176][  T420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.908180][  T420]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.908181][  T420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.908184][  T420]  put_chars (drivers/char/virtio_console.c:1176)
[   52.908186][  T420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.908187][  T420]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   52.908191][  T420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.908194][  T420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.908196][  T420]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.908198][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908199][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908202][  T420]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.908204][  T420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.908206][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908208][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908209][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908211][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908213][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.908214][  T420]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.908217][  T420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.908219][  T420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.908221][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908223][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.908224][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908226][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.908227][  T420]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.908229][  T420]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.908231][  T420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.908232][  T420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.908234][  T420]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.908237][  T420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.908239][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908240][  T420]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.908243][  T420]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   52.908244][  T420]  _printk (kernel/printk/printk.c:2504)
[   52.908247][  T420]  ? snapshot_read.cold (user.c:?)
[   52.908250][  T420]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   52.908254][  T420] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   52.908267][  T420] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   52.908278][  T420] br_device_event (net/bridge/br.c:111) bridge
[   52.908288][  T420]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   52.908291][  T420]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   52.908293][  T420]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   52.908297][  T420]  notifier_call_chain (kernel/notifier.c:85)
[   52.908300][  T420]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   52.908303][  T420]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.908305][  T420]  ? netif_change_name (net/core/dev.c:1517)
[   52.908307][  T420]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   52.908309][  T420]  ? __kernel_text_address (kernel/extable.c:79)
[   52.908311][  T420]  ? write_profile (profile.c:?)
[   52.908314][  T420]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.908316][  T420]  netif_change_flags (net/core/dev.c:9882)
[   52.908319][  T420]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   52.908321][  T420]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.908323][  T420]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.908324][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908326][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.908330][  T420]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.908339][  T420]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.908340][  T420]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.908342][  T420]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.908344][  T420]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   52.908345][  T420]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   52.908346][  T420]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.908347][  T420]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.908350][  T420]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.908351][  T420]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.908352][  T420]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.908355][  T420]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.908356][  T420]  ? __sys_sendmsg (net/socket.c:2799)
[   52.908358][  T420]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.908360][  T420]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.908363][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908364][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908366][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908368][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908369][  T420]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.908372][  T420]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   52.908374][  T420]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.908375][  T420]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.908377][  T420]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.908379][  T420]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.908381][  T420]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.908383][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908385][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.908386][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908387][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908389][  T420]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   52.908392][  T420]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   52.908394][  T420]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   52.908395][  T420]  ? __kernel_text_address (kernel/extable.c:79)
[   52.908397][  T420]  ? write_profile (profile.c:?)
[   52.908398][  T420]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.908399][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908401][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908402][  T420]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   52.908406][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908407][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908409][  T420]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.908411][  T420]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.908412][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.908413][  T420]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.908415][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   52.908417][  T420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.908419][  T420]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.908420][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.908422][  T420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.908423][  T420]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   52.908425][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908427][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.908429][  T420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.908431][  T420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.908432][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908434][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908436][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.908438][  T420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.908440][  T420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.908441][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908443][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.908445][  T420]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.908447][  T420]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.908448][  T420]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.908450][  T420]  ? move_addr_to_kernel (net/socket.c:258)
[   52.908451][  T420]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   52.908454][  T420]  ___sys_sendmsg (net/socket.c:2767)
[   52.908455][  T420]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.908460][  T420]  __sys_sendmsg (net/socket.c:2799)
[   52.908462][  T420]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.908465][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.908467][  T420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.908468][  T420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.908470][  T420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.908472][  T420] RIP: 0033:0x7fdc09f4854e
[   52.908474][  T420] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.908475][  T420] RSP: 002b:00007ffe90966300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.908479][  T420] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc09f4854e
[   52.908481][  T420] RDX: 0000000000000000 RSI: 00007ffe909663b0 RDI: 0000000000000005
[   52.908482][  T420] RBP: 00007ffe90966310 R08: 0000000000000000 R09: 0000000000000000
[   52.908482][  T420] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918a58


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars