======================================
| [   10.801475][  T192] softirqs last disabled at (39345): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.801478][  T192] Preemption disabled at:
| [   10.801478][  T192] 0x0
| [   10.801489][  T192] Tainted: [W]=WARN
[   10.801490][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.801492][  T192] Call Trace:
[   10.801494][  T192]  <TASK>
[   10.801495][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.801501][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.801506][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.801510][  T192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.801515][  T192]  __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))
[   10.801517][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.801523][  T192]  ? 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)
[   10.801526][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.801529][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   10.801532][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.801533][  T192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.801538][  T192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.801543][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.801549][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.801551][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.801553][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.801557][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.801561][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.801563][  T192]  ? 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))
[   10.801566][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.801568][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.801572][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.801576][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.801578][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.801583][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.801586][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.801590][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.801592][  T192]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.801596][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.801598][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.801601][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.801605][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.801608][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.801612][  T192]  _printk (kernel/printk/printk.c:2504)
[   10.801615][  T192]  ? snapshot_read.cold (user.c:?)
[   10.801618][  T192]  ? 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)
[   10.801621][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.801625][  T192]  ? 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)
[   10.801627][  T192]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.801631][  T192]  ? exit_notify (kernel/exit.c:780)
[   10.801633][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.801636][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.801640][  T192]  do_group_exit (kernel/exit.c:1151)
[   10.801643][  T192]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.801645][  T192]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.801647][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.801650][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.801653][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.801655][  T192] RIP: 0033:0x7f344d3a21b8
[   10.801657][  T192] Code: Unable to access opcode bytes at 0x7f344d3a218e.

Code starting with the faulting instruction
===========================================
[   10.801658][  T192] RSP: 002b:00007ffe9f2e11d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.801661][  T192] RAX: ffffffffffffffda RBX: 00007f344d4d2f88 RCX: 00007f344d3a21b8
[   10.801662][  T192] RDX: 00007f344d0ecfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.801663][  T192] RBP: 00007ffe9f2e1230 R08: 0000000000000000 R09: 0000000000008010
[   10.801664][  T192] R10: 00007ffe9f2e0ff0 R11: 0000000000000246 R12: 0000000000000001
[   10.801665][  T192] R13: 0000000000000000 R14: 00007f344d4d1680 R15: 00007f344d4d2fa0
| [   12.309883][  T246] softirqs last disabled at (11982): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.309885][  T246] Preemption disabled at:
| [   12.309886][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.309896][  T246] Tainted: [W]=WARN
[   12.309897][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.309899][  T246] Call Trace:
[   12.309901][  T246]  <TASK>
[   12.309902][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.309908][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.309910][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.309915][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.309919][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.309924][  T246]  __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))
[   12.309927][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.309932][  T246]  ? 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)
[   12.309935][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.309939][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   12.309941][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.309946][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.309949][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.309952][  T246]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.309954][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.309955][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.309959][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.309961][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.309965][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.309968][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.309973][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.309976][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.309978][  T246]  ? 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))
[   12.309981][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.309983][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.309987][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.309992][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.309993][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.309999][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.310002][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.310003][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.310006][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.310009][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.310011][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.310014][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.310018][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.310021][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.310022][  T246]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.310027][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.310030][  T246]  _printk (kernel/printk/printk.c:2504)
[   12.310034][  T246]  ? snapshot_read.cold (user.c:?)
[   12.310037][  T246]  ? br_multicast_flood (??:?) bridge
[   12.310050][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.310051][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.310052][  T246]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.310057][  T246] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.310067][  T246] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.310075][  T246] new_nbp (net/bridge/br_if.c:449) bridge
[   12.310085][  T246] br_add_if (net/bridge/br_if.c:592) bridge
[   12.310092][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.310096][  T246]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.310099][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   12.310103][  T246]  do_set_master (net/core/rtnetlink.c:3071)
[   12.310107][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.310110][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.310114][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.310115][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.310118][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.310121][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.310124][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.310125][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.310128][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.310131][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.310133][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.310135][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.310137][  T246]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.310140][  T246]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.310145][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.310147][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.310149][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.310152][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.310153][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.310155][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.310157][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.310161][  T246]  ? __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)
[   12.310163][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.310165][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.310168][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.310170][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.310175][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.310180][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.310185][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.310187][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.310192][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.310193][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.310196][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.310197][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.310201][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.310203][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.310206][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.310208][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.310212][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.310214][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.310217][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.310219][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.310222][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.310228][  T246]  ? 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))
[   12.310230][  T246]  ? 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))
[   12.310234][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.310238][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.310240][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.310244][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.310248][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.310252][  T246]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.310257][  T246]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.310260][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.310262][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.310264][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   12.310271][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   12.310274][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.310290][  T246]  __sys_sendmsg (net/socket.c:2799)
[   12.310293][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.310302][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.310305][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.310308][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.310311][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.310313][  T246] RIP: 0033:0x7f6c2a31e54e
[   12.310317][  T246] 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
[   12.310318][  T246] RSP: 002b:00007ffcfcf781a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.310321][  T246] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6c2a31e54e
[   12.310323][  T246] RDX: 0000000000000000 RSI: 00007ffcfcf78250 RDI: 0000000000000005
[   12.310323][  T246] RBP: 00007ffcfcf781b0 R08: 0000000000000000 R09: 0000000000000000
[   12.310324][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91811f
[   12.310325][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfcf78910
| [   20.052332][  T303] softirqs last disabled at (15154): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.052334][  T303] Preemption disabled at:
| [   20.052335][  T303] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.052344][  T303] Tainted: [W]=WARN
[   20.052345][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.052347][  T303] Call Trace:
[   20.052348][  T303]  <TASK>
[   20.052350][  T303]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.052355][  T303]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.052357][  T303]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.052362][  T303]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.052366][  T303]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.052371][  T303]  __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))
[   20.052373][  T303]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.052379][  T303]  ? 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)
[   20.052381][  T303]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.052384][  T303]  put_chars (drivers/char/virtio_console.c:1176)
[   20.052387][  T303]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.052389][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.052393][  T303]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.052398][  T303]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.052404][  T303]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.052406][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052409][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.052413][  T303]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.052417][  T303]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.052418][  T303]  ? 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))
[   20.052421][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052424][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.052428][  T303]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.052432][  T303]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.052434][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.052439][  T303]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.052442][  T303]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.052443][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052446][  T303]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.052449][  T303]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.052451][  T303]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.052454][  T303]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.052458][  T303]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.052460][  T303]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.052461][  T303]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.052464][  T303]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.052466][  T303]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.052468][  T303]  ? ___sys_sendmsg (net/socket.c:2767)
[   20.052470][  T303]  ? __sys_sendmsg (net/socket.c:2799)
[   20.052472][  T303]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.052476][  T303]  _printk (kernel/printk/printk.c:2504)
[   20.052480][  T303]  ? snapshot_read.cold (user.c:?)
[   20.052485][  T303]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.052488][  T303]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.052491][  T303]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.052494][  T303]  ? netdev_notice (net/core/dev.c:13194)
[   20.052497][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052500][  T303]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   20.052503][  T303]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   20.052504][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.052506][  T303]  ? 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)
[   20.052510][  T303]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   20.052514][  T303]  dev_set_allmulti (net/core/dev_api.c:315)
[   20.052518][  T303] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   20.052531][  T303]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.052537][  T303] br_del_if (net/bridge/br_if.c:732) bridge
[   20.052544][  T303]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.052547][  T303]  do_set_master (net/core/rtnetlink.c:3055)
[   20.052551][  T303]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.052555][  T303]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.052558][  T303]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.052559][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.052562][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.052565][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.052568][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.052570][  T303]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.052572][  T303]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.052575][  T303]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.052577][  T303]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.052580][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.052581][  T303]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   20.052583][  T303]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.052590][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.052592][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.052594][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052596][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.052598][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052600][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052602][  T303]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.052605][  T303]  ? __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)
[   20.052607][  T303]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.052609][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.052613][  T303]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.052614][  T303]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.052619][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.052624][  T303]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.052629][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.052631][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.052636][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.052637][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.052639][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.052641][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.052645][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.052647][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.052650][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.052651][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.052655][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.052657][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.052660][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.052662][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.052665][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.052671][  T303]  ? 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))
[   20.052672][  T303]  ? 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))
[   20.052677][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.052680][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.052683][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.052687][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.052691][  T303]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.052694][  T303]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.052699][  T303]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.052702][  T303]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.052704][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.052705][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   20.052713][  T303]  ___sys_sendmsg (net/socket.c:2767)
[   20.052715][  T303]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.052741][  T303]  __sys_sendmsg (net/socket.c:2799)
[   20.052743][  T303]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.052750][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.052753][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.052755][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.052758][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.052760][  T303] RIP: 0033:0x7faf68ebd54e
[   20.052764][  T303] 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
[   20.052765][  T303] RSP: 002b:00007ffd0d0f2f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.052768][  T303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf68ebd54e
[   20.052769][  T303] RDX: 0000000000000000 RSI: 00007ffd0d0f3030 RDI: 0000000000000005
[   20.052770][  T303] RBP: 00007ffd0d0f2f90 R08: 0000000000000000 R09: 0000000000000000
[   20.052771][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918127
[   20.052772][  T303] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0d0f36f0
| [   22.155074][  T305] softirqs last disabled at (12834): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.155076][  T305] Preemption disabled at:
| [   22.155077][  T305] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.155086][  T305] Tainted: [W]=WARN
[   22.155087][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.155088][  T305] Call Trace:
[   22.155090][  T305]  <TASK>
[   22.155092][  T305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.155098][  T305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.155100][  T305]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.155104][  T305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.155109][  T305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.155114][  T305]  __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))
[   22.155116][  T305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.155122][  T305]  ? 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)
[   22.155124][  T305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.155128][  T305]  put_chars (drivers/char/virtio_console.c:1176)
[   22.155130][  T305]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   22.155132][  T305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.155135][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.155139][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.155141][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.155145][  T305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.155148][  T305]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.155150][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155151][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155155][  T305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.155157][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.155160][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155163][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.155167][  T305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.155170][  T305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.155172][  T305]  ? 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))
[   22.155175][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155178][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.155182][  T305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.155186][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.155188][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155193][  T305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.155196][  T305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.155197][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155200][  T305]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.155203][  T305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.155205][  T305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.155208][  T305]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.155213][  T305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.155215][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.155218][  T305]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.155221][  T305]  _printk (kernel/printk/printk.c:2504)
[   22.155225][  T305]  ? snapshot_read.cold (user.c:?)
[   22.155229][  T305]  ? br_multicast_flood (??:?) bridge
[   22.155242][  T305]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.155243][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.155245][  T305]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.155249][  T305] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.155260][  T305] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   22.155268][  T305] new_nbp (net/bridge/br_if.c:449) bridge
[   22.155277][  T305] br_add_if (net/bridge/br_if.c:592) bridge
[   22.155284][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.155288][  T305]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.155291][  T305]  ? __kernel_text_address (kernel/extable.c:79)
[   22.155296][  T305]  do_set_master (net/core/rtnetlink.c:3071)
[   22.155301][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.155304][  T305]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.155307][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.155309][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.155310][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.155314][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.155317][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.155318][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.155321][  T305]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.155324][  T305]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.155326][  T305]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.155328][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155330][  T305]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   22.155333][  T305]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.155338][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.155340][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.155343][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155345][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.155346][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155348][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155350][  T305]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.155354][  T305]  ? __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)
[   22.155357][  T305]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.155360][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.155363][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.155365][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.155370][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.155375][  T305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.155380][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.155382][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155386][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.155388][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.155390][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.155392][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.155396][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.155398][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.155401][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.155402][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155406][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.155408][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.155412][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.155413][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.155416][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.155422][  T305]  ? 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))
[   22.155424][  T305]  ? 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))
[   22.155428][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.155432][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.155434][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.155438][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.155442][  T305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.155446][  T305]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.155451][  T305]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.155454][  T305]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.155456][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.155458][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   22.155465][  T305]  ___sys_sendmsg (net/socket.c:2767)
[   22.155468][  T305]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.155483][  T305]  __sys_sendmsg (net/socket.c:2799)
[   22.155486][  T305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.155492][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.155496][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.155498][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.155501][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.155504][  T305] RIP: 0033:0x7f51036b654e
[   22.155507][  T305] 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
[   22.155509][  T305] RSP: 002b:00007fff52bd1d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.155512][  T305] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51036b654e
[   22.155513][  T305] RDX: 0000000000000000 RSI: 00007fff52bd1e10 RDI: 0000000000000005
[   22.155514][  T305] RBP: 00007fff52bd1d70 R08: 0000000000000000 R09: 0000000000000000
[   22.155515][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918129
[   22.155516][  T305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff52bd24d0
| [   37.258701][    C3] softirqs last disabled at (738545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   37.258703][    C3] Preemption disabled at:
| [   37.258704][    C3] 0x0
| [   37.258715][    C3] Tainted: [W]=WARN
[   37.258716][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.258717][    C3] Call Trace:
[   37.258719][    C3]  <IRQ>
[   37.258721][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.258726][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.258730][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.258734][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   37.258737][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258741][    C3]  __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))
[   37.258744][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.258747][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.258751][    C3]  ? 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)
[   37.258752][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.258754][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   37.258756][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.258758][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   37.258761][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.258765][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.258766][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258768][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.258770][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.258772][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.258774][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258776][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258778][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.258779][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.258781][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.258783][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.258786][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.258788][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.258789][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.258791][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258793][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.258794][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.258796][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.258798][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.258800][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.258802][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.258804][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.258821][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.258823][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.258829][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.258835][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   37.258839][    C3]  _printk (kernel/printk/printk.c:2504)
[   37.258842][    C3]  ? snapshot_read.cold (user.c:?)
[   37.258843][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   37.258847][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.258850][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   37.258851][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   37.258853][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.258856][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.258858][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.258860][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.258862][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.258864][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.258870][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258872][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.258873][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.258879][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.258881][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.258887][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.258893][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.258899][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   37.258902][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.258904][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.258907][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.258909][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.258911][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258913][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.258915][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.258921][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.258923][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.258926][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.258928][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.258930][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.258932][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.258934][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258936][    C3]  handle_softirqs (kernel/softirq.c:645)
[   37.258938][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.258939][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.258941][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.258943][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   37.258944][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.258947][    C3]  </IRQ>
[   37.258947][    C3]  <TASK>
[   37.258948][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.258950][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.258952][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.258955][    C3] 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
[   37.258956][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   37.258959][    C3] RAX: 00000000000b44ef RBX: ff11000001c88040 RCX: ffffffff91ef0307
[   37.258961][    C3] RDX: ff11000001c88040 RSI: ffffffff94c38af6 RDI: ffffffff9468d8e0
[   37.258962][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.258963][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   37.258963][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.258965][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.258968][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.258970][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   37.258972][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.258973][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   37.258975][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.258977][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258979][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.258981][    C3]  do_idle (kernel/sched/idle.c:355)
[   37.258982][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.258984][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.258985][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.258987][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.312324][    C3]
| [   37.312395][    C3]
| [   37.312395][    C3] stack backtrace:
| [   37.312616][    C3] Tainted: [W]=WARN
[   37.312617][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.312618][    C3] Call Trace:
[   37.312620][    C3]  <IRQ>
[   37.312622][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.312626][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   37.312629][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.312632][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.312634][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.312636][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.312638][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.312640][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.312647][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312650][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.312652][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.312658][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.312660][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.312666][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.312672][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.312678][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   37.312681][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.312682][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.312686][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.312688][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.312690][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312692][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.312693][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.312701][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.312702][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.312705][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.312708][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.312710][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.312711][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.312714][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312715][    C3]  handle_softirqs (kernel/softirq.c:645)
[   37.312717][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.312719][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.312721][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.312722][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   37.312724][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.312725][    C3]  </IRQ>
[   37.312726][    C3]  <TASK>
[   37.312726][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.312728][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.312730][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.312732][    C3] 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
[   37.312733][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   37.312736][    C3] RAX: 00000000000b44ef RBX: ff11000001c88040 RCX: ffffffff91ef0307
[   37.312738][    C3] RDX: ff11000001c88040 RSI: ffffffff94c38af6 RDI: ffffffff9468d8e0
[   37.312739][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.312739][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   37.312740][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.312742][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.312744][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.312745][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   37.312747][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.312749][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   37.312750][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.312752][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312754][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.312756][    C3]  do_idle (kernel/sched/idle.c:355)
[   37.312757][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.312759][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.312760][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.312762][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   40.959475][  T412] softirqs last disabled at (0): 0x0
| [   40.959478][  T412] Preemption disabled at:
| [   40.959479][  T412] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.959492][  T412] Tainted: [W]=WARN
[   40.959493][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.959496][  T412] Call Trace:
[   40.959498][  T412]  <TASK>
[   40.959499][  T412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.959505][  T412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.959508][  T412]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.959512][  T412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.959516][  T412]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   40.959520][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959525][  T412]  __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))
[   40.959528][  T412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.959531][  T412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.959536][  T412]  ? 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)
[   40.959539][  T412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.959541][  T412]  put_chars (drivers/char/virtio_console.c:1176)
[   40.959544][  T412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.959546][  T412]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   40.959550][  T412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.959554][  T412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.959556][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959559][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959562][  T412]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.959565][  T412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.959568][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959570][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959572][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959574][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959577][  T412]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   40.959579][  T412]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.959582][  T412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.959588][  T412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.959591][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959593][  T412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.959596][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959598][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.959600][  T412]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.959602][  T412]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   40.959605][  T412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.959607][  T412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.959609][  T412]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.959613][  T412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.959615][  T412]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.959618][  T412]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.959621][  T412]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.959623][  T412]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.959626][  T412]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.959628][  T412]  ? __sys_sendmsg (net/socket.c:2799)
[   40.959630][  T412]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.959635][  T412]  _printk (kernel/printk/printk.c:2504)
[   40.959639][  T412]  ? snapshot_read.cold (user.c:?)
[   40.959642][  T412]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.959645][  T412]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.959648][  T412]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.959650][  T412]  ? netdev_notice (net/core/dev.c:13194)
[   40.959653][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959655][  T412]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   40.959658][  T412]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   40.959661][  T412]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   40.959663][  T412]  ? 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)
[   40.959666][  T412]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   40.959670][  T412]  dev_set_allmulti (net/core/dev_api.c:315)
[   40.959673][  T412] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   40.959690][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.959694][  T412]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.959698][  T412] br_del_if (net/bridge/br_if.c:732) bridge
[   40.959710][  T412]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.959713][  T412]  do_set_master (net/core/rtnetlink.c:3055)
[   40.959716][  T412]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   40.959719][  T412]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.959723][  T412]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.959724][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959727][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.959732][  T412]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.959735][  T412]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.959737][  T412]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.959739][  T412]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.959741][  T412]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   40.959743][  T412]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   40.959744][  T412]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.959746][  T412]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.959748][  T412]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.959750][  T412]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.959752][  T412]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.959753][  T412]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.959755][  T412]  ? __sys_sendmsg (net/socket.c:2799)
[   40.959757][  T412]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.959759][  T412]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.959763][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959765][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959767][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959769][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959771][  T412]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.959774][  T412]  ? __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)
[   40.959777][  T412]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.959779][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.959781][  T412]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.959783][  T412]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.959786][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.959789][  T412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.959792][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959794][  T412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.959796][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959798][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959801][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   40.959803][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.959805][  T412]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.959807][  T412]  ? __kernel_text_address (kernel/extable.c:79)
[   40.959809][  T412]  ? write_profile (profile.c:?)
[   40.959811][  T412]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.959814][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959816][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959818][  T412]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.959822][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959824][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959827][  T412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.959835][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.959837][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.959839][  T412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.959841][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.959845][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.959846][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.959848][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.959851][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.959852][  T412]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   40.959856][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959858][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.959861][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.959864][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.959866][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959868][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959870][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.959873][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.959876][  T412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.959878][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959881][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.959883][  T412]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.959885][  T412]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.959888][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.959890][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   40.959892][  T412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.959896][  T412]  ___sys_sendmsg (net/socket.c:2767)
[   40.959898][  T412]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.959905][  T412]  __sys_sendmsg (net/socket.c:2799)
[   40.959908][  T412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.959912][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.959915][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.959916][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.959919][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.959922][  T412] RIP: 0033:0x7f4f7a24c54e
[   40.959924][  T412] 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
[   40.959926][  T412] RSP: 002b:00007fff9715a5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.959931][  T412] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4f7a24c54e
[   40.959932][  T412] RDX: 0000000000000000 RSI: 00007fff9715a6a0 RDI: 0000000000000005
[   40.959934][  T412] RBP: 00007fff9715a600 R08: 0000000000000000 R09: 0000000000000000
[   40.959935][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91813c
[   40.959936][  T412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9715ad60
| [   43.058576][  T415] softirqs last disabled at (0): 0x0
| [   43.058578][  T415] Preemption disabled at:
| [   43.058579][  T415] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.058593][  T415] Tainted: [W]=WARN
[   43.058594][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.058596][  T415] Call Trace:
[   43.058597][  T415]  <TASK>
[   43.058599][  T415]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.058604][  T415]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.058606][  T415]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.058610][  T415]  ? __module_address (kernel/module/main.c:3915)
[   43.058614][  T415]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.058617][  T415]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   43.058618][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058622][  T415]  __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))
[   43.058625][  T415]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.058628][  T415]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.058632][  T415]  ? 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)
[   43.058633][  T415]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.058635][  T415]  put_chars (drivers/char/virtio_console.c:1176)
[   43.058637][  T415]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   43.058638][  T415]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.058640][  T415]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.058642][  T415]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.058646][  T415]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.058647][  T415]  ? 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)
[   43.058649][  T415]  ? vsnprintf (lib/vsprintf.c:2900)
[   43.058652][  T415]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.058654][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058655][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058657][  T415]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.058660][  T415]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.058662][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058663][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058665][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058667][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058668][  T415]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.058670][  T415]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.058672][  T415]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.058675][  T415]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.058677][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058678][  T415]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.058680][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058681][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.058683][  T415]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.058684][  T415]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.058686][  T415]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.058688][  T415]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.058690][  T415]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.058693][  T415]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.058694][  T415]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.058696][  T415]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.058698][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058699][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058701][  T415]  _printk (kernel/printk/printk.c:2504)
[   43.058704][  T415]  ? snapshot_read.cold (user.c:?)
[   43.058707][  T415]  ? br_multicast_flood (??:?) bridge
[   43.058720][  T415]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.058722][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.058723][  T415]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.058725][  T415] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.058734][  T415] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   43.058742][  T415] new_nbp (net/bridge/br_if.c:449) bridge
[   43.058750][  T415] br_add_if (net/bridge/br_if.c:592) bridge
[   43.058757][  T415]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   43.058760][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.058762][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.058764][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   43.058766][  T415]  do_set_master (net/core/rtnetlink.c:3071)
[   43.058769][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.058771][  T415]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.058772][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.058774][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058775][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.058779][  T415]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.058782][  T415]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.058783][  T415]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.058785][  T415]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.058786][  T415]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.058788][  T415]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.058789][  T415]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.058790][  T415]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.058792][  T415]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.058794][  T415]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.058795][  T415]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.058798][  T415]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.058799][  T415]  ? __sys_sendmsg (net/socket.c:2799)
[   43.058801][  T415]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.058803][  T415]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.058805][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058807][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058809][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058810][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058812][  T415]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.058815][  T415]  ? __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)
[   43.058817][  T415]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.058819][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.058820][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.058821][  T415]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.058824][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.058826][  T415]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.058828][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058830][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.058831][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058832][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058834][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.058841][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.058843][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.058844][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   43.058845][  T415]  ? write_profile (profile.c:?)
[   43.058846][  T415]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.058849][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058851][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058852][  T415]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.058856][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058857][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058859][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.058860][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.058862][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.058863][  T415]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.058865][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.058867][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.058869][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.058870][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.058871][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.058873][  T415]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.058875][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058877][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.058879][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.058881][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.058882][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058884][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058886][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.058887][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.058889][  T415]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.058891][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058893][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.058895][  T415]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.058896][  T415]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.058898][  T415]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.058900][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   43.058901][  T415]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.058903][  T415]  ___sys_sendmsg (net/socket.c:2767)
[   43.058905][  T415]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.058910][  T415]  __sys_sendmsg (net/socket.c:2799)
[   43.058912][  T415]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.058915][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.058917][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.058918][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.058920][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.058922][  T415] RIP: 0033:0x7f2348f2054e
[   43.058924][  T415] 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
[   43.058925][  T415] RSP: 002b:00007fff24910d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.058929][  T415] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2348f2054e
[   43.058930][  T415] RDX: 0000000000000000 RSI: 00007fff24910e40 RDI: 0000000000000005
[   43.058931][  T415] RBP: 00007fff24910da0 R08: 0000000000000000 R09: 0000000000000000
[   43.058932][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91813e
[   43.058933][  T415] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff24911500
| [   45.375314][  T456] softirqs last disabled at (0): 0x0
| [   45.375316][  T456] Preemption disabled at:
| [   45.375318][  T456] 0x0
| [   45.375328][  T456] Tainted: [W]=WARN
[   45.375330][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.375332][  T456] Call Trace:
[   45.375334][  T456]  <TASK>
[   45.375336][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.375342][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.375347][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.375352][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375357][  T456]  __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))
[   45.375361][  T456]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.375365][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.375369][  T456]  ? 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)
[   45.375371][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.375374][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   45.375377][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.375379][  T456]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.375385][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.375389][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.375393][  T456]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.375395][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375397][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375400][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.375404][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.375407][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375409][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375411][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375414][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375417][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.375419][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.375422][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.375426][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.375428][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375430][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.375432][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375434][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.375436][  T456]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.375438][  T456]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.375441][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.375443][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.375446][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.375449][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.375451][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375454][  T456]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.375457][  T456]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.375459][  T456]  _printk (kernel/printk/printk.c:2504)
[   45.375463][  T456]  ? snapshot_read.cold (user.c:?)
[   45.375466][  T456]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   45.375472][  T456] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   45.375490][  T456] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   45.375501][  T456] br_device_event (net/bridge/br.c:111) bridge
[   45.375514][  T456]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.375518][  T456]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   45.375520][  T456]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   45.375524][  T456]  notifier_call_chain (kernel/notifier.c:85)
[   45.375528][  T456]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   45.375532][  T456]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.375534][  T456]  ? netif_change_name (net/core/dev.c:1517)
[   45.375537][  T456]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.375540][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   45.375542][  T456]  ? write_profile (profile.c:?)
[   45.375545][  T456]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.375549][  T456]  netif_change_flags (net/core/dev.c:9882)
[   45.375551][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.375555][  T456]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.375557][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.375558][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375561][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.375565][  T456]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.375568][  T456]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.375570][  T456]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.375572][  T456]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.375574][  T456]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.375576][  T456]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.375577][  T456]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.375579][  T456]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.375581][  T456]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.375583][  T456]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.375585][  T456]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.375591][  T456]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.375593][  T456]  ? __sys_sendmsg (net/socket.c:2799)
[   45.375595][  T456]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.375597][  T456]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.375601][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375603][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375605][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375607][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375609][  T456]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.375613][  T456]  ? __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)
[   45.375615][  T456]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.375617][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.375619][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.375622][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.375625][  T456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.375628][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375630][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.375632][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375633][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375636][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.375640][  T456]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.375642][  T456]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.375644][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   45.375645][  T456]  ? write_profile (profile.c:?)
[   45.375647][  T456]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.375648][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375650][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375652][  T456]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.375656][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375658][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375660][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.375662][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.375664][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.375666][  T456]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.375668][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.375671][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.375673][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.375675][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.375677][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.375679][  T456]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.375682][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375684][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.375687][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.375689][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.375691][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375693][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375695][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.375698][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.375700][  T456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.375703][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375705][  T456]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.375707][  T456]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.375710][  T456]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.375712][  T456]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.375714][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   45.375716][  T456]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.375719][  T456]  ___sys_sendmsg (net/socket.c:2767)
[   45.375722][  T456]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.375729][  T456]  __sys_sendmsg (net/socket.c:2799)
[   45.375731][  T456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.375735][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.375738][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.375739][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.375742][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.375744][  T456] RIP: 0033:0x7f88c611e54e
[   45.375747][  T456] 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
[   45.375749][  T456] RSP: 002b:00007ffd72c7fd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.375753][  T456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88c611e54e
[   45.375755][  T456] RDX: 0000000000000000 RSI: 00007ffd72c7fe20 RDI: 0000000000000005
[   45.375756][  T456] RBP: 00007ffd72c7fd80 R08: 0000000000000000 R09: 0000000000000000
[   45.375757][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918140


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__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