======================================
| [    9.927365][  T187] softirqs last disabled at (36777): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.927369][  T187] Preemption disabled at:
| [    9.927369][  T187] 0x0
| [    9.927382][  T187] Tainted: [W]=WARN
[    9.927384][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.927386][  T187] Call Trace:
[    9.927388][  T187]  <TASK>
[    9.927390][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.927398][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.927404][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.927410][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.927417][  T187]  __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))
[    9.927421][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.927429][  T187]  ? 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)
[    9.927433][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.927438][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.927442][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.927444][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.927451][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.927460][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.927470][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.927474][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927478][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.927484][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.927491][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.927493][  T187]  ? 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))
[    9.927499][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927502][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.927509][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.927516][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.927519][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.927528][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.927532][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.927535][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927539][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.927545][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.927548][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.927553][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.927560][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.927565][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.927572][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.927577][  T187]  ? snapshot_read.cold (user.c:?)
[    9.927582][  T187]  ? 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)
[    9.927586][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.927592][  T187]  ? 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)
[    9.927597][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.927602][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.927605][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.927613][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.927620][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.927625][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.927628][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.927631][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.927635][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.927640][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.927644][  T187] RIP: 0033:0x7fc11d9771b8
[    9.927647][  T187] Code: Unable to access opcode bytes at 0x7fc11d97718e.

Code starting with the faulting instruction
===========================================
[    9.927648][  T187] RSP: 002b:00007ffea7fd99f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.927652][  T187] RAX: ffffffffffffffda RBX: 00007fc11daa7f88 RCX: 00007fc11d9771b8
[    9.927654][  T187] RDX: 00007fc11d6c1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.927655][  T187] RBP: 00007ffea7fd9a50 R08: 0000000000000000 R09: 0000000000008010
[    9.927657][  T187] R10: 00007ffea7fd9810 R11: 0000000000000246 R12: 0000000000000001
[    9.927658][  T187] R13: 0000000000000000 R14: 00007fc11daa6680 R15: 00007fc11daa7fa0
| [   11.569196][  T247] softirqs last disabled at (20184): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.569199][  T247] Preemption disabled at:
| [   11.569200][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.569209][  T247] Tainted: [W]=WARN
[   11.569210][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.569212][  T247] Call Trace:
[   11.569214][  T247]  <TASK>
[   11.569215][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.569221][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.569223][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.569228][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.569232][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.569238][  T247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.569240][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.569246][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.569248][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.569252][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   11.569255][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.569259][  T247]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.569263][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.569266][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.569268][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569269][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569273][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.569275][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.569279][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569283][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.569287][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.569290][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.569292][  T247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.569295][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569298][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.569302][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.569306][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.569308][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569313][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.569316][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.569318][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569320][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.569324][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.569326][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.569329][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.569333][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.569336][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.569337][  T247]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.569342][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.569345][  T247]  _printk (kernel/printk/printk.c:2504)
[   11.569349][  T247]  ? snapshot_read.cold (user.c:?)
[   11.569353][  T247]  ? br_multicast_flood (??:?) bridge
[   11.569365][  T247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.569367][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.569368][  T247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.569373][  T247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.569383][  T247] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.569391][  T247] new_nbp (net/bridge/br_if.c:449) bridge
[   11.569400][  T247] br_add_if (net/bridge/br_if.c:592) bridge
[   11.569407][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.569412][  T247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.569415][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.569418][  T247]  do_set_master (net/core/rtnetlink.c:3071)
[   11.569423][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.569426][  T247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.569430][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.569431][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.569434][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.569437][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.569440][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.569441][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.569444][  T247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.569447][  T247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.569449][  T247]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.569452][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569453][  T247]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.569457][  T247]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.569461][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.569463][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.569466][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569468][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.569470][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569471][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569474][  T247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.569478][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.569479][  T247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.569482][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.569485][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.569487][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.569492][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.569497][  T247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.569502][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.569504][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569509][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.569511][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.569513][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.569514][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.569518][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.569520][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.569523][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.569524][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569529][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.569531][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.569534][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.569536][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.569539][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.569545][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.569547][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.569551][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.569555][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.569557][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569562][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.569565][  T247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.569569][  T247]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.569575][  T247]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.569577][  T247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.569579][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.569581][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.569588][  T247]  ___sys_sendmsg (net/socket.c:2767)
[   11.569591][  T247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.569609][  T247]  __sys_sendmsg (net/socket.c:2799)
[   11.569612][  T247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.569618][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569622][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.569624][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.569627][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.569630][  T247] RIP: 0033:0x7f3e85c1054e
[   11.569633][  T247] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.569635][  T247] RSP: 002b:00007fffa5f0bf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.569638][  T247] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3e85c1054e
[   11.569640][  T247] RDX: 0000000000000000 RSI: 00007fffa5f0c040 RDI: 0000000000000005
[   11.569640][  T247] RBP: 00007fffa5f0bfa0 R08: 0000000000000000 R09: 0000000000000000
[   11.569641][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b08
[   11.569642][  T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa5f0c700
| [   19.262636][  T304] softirqs last disabled at (13818): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   19.262639][  T304] Preemption disabled at:
| [   19.262639][  T304] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.262649][  T304] Tainted: [W]=WARN
[   19.262650][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.262652][  T304] Call Trace:
[   19.262654][  T304]  <TASK>
[   19.262656][  T304]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.262662][  T304]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.262664][  T304]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.262669][  T304]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.262673][  T304]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.262679][  T304]  __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))
[   19.262681][  T304]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.262687][  T304]  ? 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)
[   19.262689][  T304]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.262693][  T304]  put_chars (drivers/char/virtio_console.c:1176)
[   19.262696][  T304]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.262697][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.262702][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.262707][  T304]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.262713][  T304]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.262715][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262717][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.262721][  T304]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.262725][  T304]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.262727][  T304]  ? 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))
[   19.262730][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262732][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.262736][  T304]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.262740][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.262742][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.262747][  T304]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.262750][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.262751][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262754][  T304]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.262757][  T304]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.262759][  T304]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.262762][  T304]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.262766][  T304]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.262768][  T304]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.262769][  T304]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.262772][  T304]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.262774][  T304]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.262776][  T304]  ? ___sys_sendmsg (net/socket.c:2767)
[   19.262777][  T304]  ? __sys_sendmsg (net/socket.c:2799)
[   19.262779][  T304]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.262784][  T304]  _printk (kernel/printk/printk.c:2504)
[   19.262793][  T304]  ? snapshot_read.cold (user.c:?)
[   19.262797][  T304]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.262800][  T304]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.262803][  T304]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.262806][  T304]  ? netdev_notice (net/core/dev.c:13194)
[   19.262809][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262812][  T304]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   19.262815][  T304]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   19.262816][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.262818][  T304]  ? 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)
[   19.262821][  T304]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   19.262826][  T304]  dev_set_allmulti (net/core/dev_api.c:315)
[   19.262829][  T304] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   19.262842][  T304]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.262848][  T304] br_del_if (net/bridge/br_if.c:732) bridge
[   19.262855][  T304]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.262858][  T304]  do_set_master (net/core/rtnetlink.c:3055)
[   19.262863][  T304]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.262866][  T304]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.262869][  T304]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.262871][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.262873][  T304]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.262876][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.262879][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.262881][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.262883][  T304]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.262886][  T304]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.262888][  T304]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.262890][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.262892][  T304]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   19.262894][  T304]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.262897][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.262899][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.262901][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262904][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.262905][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262907][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.262909][  T304]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.262912][  T304]  ? __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)
[   19.262914][  T304]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.262916][  T304]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.262920][  T304]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.262921][  T304]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.262926][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.262931][  T304]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.262936][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.262938][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.262942][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.262944][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.262946][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.262948][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.262951][  T304]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.262953][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.262956][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.262957][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.262962][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.262963][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.262967][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.262968][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.262971][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.262977][  T304]  ? 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))
[   19.262978][  T304]  ? 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))
[   19.262982][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.262986][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.262989][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.262993][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.262996][  T304]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.263000][  T304]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.263005][  T304]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.263007][  T304]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.263010][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.263011][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   19.263018][  T304]  ___sys_sendmsg (net/socket.c:2767)
[   19.263021][  T304]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.263036][  T304]  __sys_sendmsg (net/socket.c:2799)
[   19.263039][  T304]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.263045][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.263048][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.263050][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.263053][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.263055][  T304] RIP: 0033:0x7fdc4cf8854e
[   19.263058][  T304] 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
[   19.263060][  T304] RSP: 002b:00007ffe8ede99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.263063][  T304] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc4cf8854e
[   19.263065][  T304] RDX: 0000000000000000 RSI: 00007ffe8ede9a80 RDI: 0000000000000005
[   19.263065][  T304] RBP: 00007ffe8ede99e0 R08: 0000000000000000 R09: 0000000000000000
[   19.263066][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b0f
[   19.263067][  T304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8edea140
| [   21.351184][  T306] softirqs last disabled at (11698): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   21.351187][  T306] Preemption disabled at:
| [   21.351187][  T306] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.351196][  T306] Tainted: [W]=WARN
[   21.351197][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.351198][  T306] Call Trace:
[   21.351200][  T306]  <TASK>
[   21.351201][  T306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.351206][  T306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.351209][  T306]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.351213][  T306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.351217][  T306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.351222][  T306]  __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))
[   21.351224][  T306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.351230][  T306]  ? 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)
[   21.351232][  T306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.351235][  T306]  put_chars (drivers/char/virtio_console.c:1176)
[   21.351237][  T306]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   21.351239][  T306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.351242][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.351246][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.351248][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.351252][  T306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.351255][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.351257][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351259][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351262][  T306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.351264][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.351268][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351270][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.351274][  T306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.351278][  T306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.351279][  T306]  ? 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))
[   21.351283][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351285][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.351289][  T306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.351293][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.351295][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351300][  T306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.351303][  T306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.351304][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351307][  T306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.351310][  T306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.351312][  T306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.351316][  T306]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.351320][  T306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.351322][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.351325][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.351328][  T306]  _printk (kernel/printk/printk.c:2504)
[   21.351332][  T306]  ? snapshot_read.cold (user.c:?)
[   21.351336][  T306]  ? br_multicast_flood (??:?) bridge
[   21.351347][  T306]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.351349][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.351350][  T306]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.351354][  T306] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.351364][  T306] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   21.351372][  T306] new_nbp (net/bridge/br_if.c:449) bridge
[   21.351382][  T306] br_add_if (net/bridge/br_if.c:592) bridge
[   21.351389][  T306]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.351393][  T306]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.351396][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   21.351400][  T306]  do_set_master (net/core/rtnetlink.c:3071)
[   21.351404][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   21.351407][  T306]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.351410][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.351412][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.351413][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.351417][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.351419][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.351421][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.351423][  T306]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.351426][  T306]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.351428][  T306]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.351430][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351432][  T306]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   21.351435][  T306]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.351440][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.351442][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.351444][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351446][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.351448][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351450][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351452][  T306]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.351456][  T306]  ? __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)
[   21.351459][  T306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.351461][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.351464][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.351466][  T306]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.351470][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.351476][  T306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.351481][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.351483][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351487][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.351489][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.351491][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.351492][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.351496][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.351498][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.351501][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.351502][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351507][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.351508][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.351512][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.351514][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.351516][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.351522][  T306]  ? 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))
[   21.351524][  T306]  ? 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))
[   21.351528][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.351532][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.351534][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.351538][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.351542][  T306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.351546][  T306]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.351551][  T306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.351553][  T306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.351555][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.351557][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   21.351564][  T306]  ___sys_sendmsg (net/socket.c:2767)
[   21.351567][  T306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.351582][  T306]  __sys_sendmsg (net/socket.c:2799)
[   21.351585][  T306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.351591][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.351595][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.351597][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.351600][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.351602][  T306] RIP: 0033:0x7f5a65c1a54e
[   21.351606][  T306] 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
[   21.351610][  T306] RSP: 002b:00007fffc039d770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.351614][  T306] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5a65c1a54e
[   21.351615][  T306] RDX: 0000000000000000 RSI: 00007fffc039d820 RDI: 0000000000000005
[   21.351616][  T306] RBP: 00007fffc039d780 R08: 0000000000000000 R09: 0000000000000000
[   21.351617][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b11
[   21.351618][  T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc039dee0
| [   36.734714][    C0] softirqs last disabled at (740405): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   36.734716][    C0] Preemption disabled at:
| [   36.734717][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   36.734726][    C0] Tainted: [W]=WARN
[   36.734727][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.734729][    C0] Call Trace:
[   36.734730][    C0]  <IRQ>
[   36.734732][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.734737][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   36.734739][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.734742][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.734745][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   36.734748][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734752][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   36.734755][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.734757][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.734761][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.734762][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.734764][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   36.734766][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.734768][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.734771][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.734775][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.734776][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734778][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.734780][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.734782][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.734784][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734786][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734787][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.734789][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.734791][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.734793][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.734796][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.734797][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.734799][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.734800][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734802][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.734803][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.734805][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.734807][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.734809][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.734811][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.734813][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734815][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.734816][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   36.734820][    C0]  _printk (kernel/printk/printk.c:2504)
[   36.734823][    C0]  ? snapshot_read.cold (user.c:?)
[   36.734825][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   36.734829][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.734831][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   36.734833][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   36.734835][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   36.734838][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   36.734839][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   36.734841][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   36.734843][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.734845][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.734863][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734865][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.734866][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.734873][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   36.734874][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.734880][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.734886][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.734892][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   36.734896][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   36.734897][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   36.734901][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.734902][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.734904][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734906][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   36.734908][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.734915][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   36.734916][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.734919][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.734921][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   36.734923][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   36.734925][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.734927][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734929][    C0]  handle_softirqs (kernel/softirq.c:645)
[   36.734930][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.734932][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   36.734934][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   36.734935][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   36.734937][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   36.734940][    C0]  </IRQ>
[   36.734940][    C0]  <TASK>
[   36.734941][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   36.734943][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   36.734945][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   36.734948][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   36.734950][    C0] RSP: 0018:ffffffff99407cf8 EFLAGS: 00000296
[   36.734953][    C0] RAX: 00000000000b4c33 RBX: ffffffff9941c600 RCX: ffffffff964f0307
[   36.734954][    C0] RDX: ffffffff9941c600 RSI: ffffffff99238af6 RDI: ffffffff98c8d8e0
[   36.734955][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   36.734956][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3280fa2
[   36.734956][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   36.734958][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.734961][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.734962][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   36.734964][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   36.734965][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.734967][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   36.734968][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   36.734971][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.734973][    C0]  do_idle (kernel/sched/idle.c:355)
[   36.734974][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   36.734976][    C0]  rest_init (init/main.c:727)
[   36.734978][    C0]  ? __cpuidle_text_end (??:?)
[   36.734980][    C0]  ? rest_init (init/main.c:727)
[   36.734982][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   36.734985][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   36.734988][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   36.734990][    C0]  start_kernel (init/main.c:1185)
[   36.734992][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   36.734994][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   36.734996][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   36.800829][    C0]
| [   36.800959][    C0]
| [   36.800959][    C0] stack backtrace:
| [   36.801144][    C0] Tainted: [W]=WARN
[   36.801145][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.801147][    C0] Call Trace:
[   36.801148][    C0]  <IRQ>
[   36.801149][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.801154][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   36.801157][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   36.801160][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   36.801162][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   36.801163][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   36.801165][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.801167][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.801175][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.801178][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.801180][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.801186][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   36.801187][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.801193][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   36.801199][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.801205][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   36.801207][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   36.801209][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   36.801213][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.801215][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.801216][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.801219][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   36.801220][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   36.801227][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   36.801229][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.801231][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.801234][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   36.801235][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   36.801237][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.801240][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.801241][    C0]  handle_softirqs (kernel/softirq.c:645)
[   36.801243][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.801245][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   36.801247][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   36.801248][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   36.801249][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   36.801251][    C0]  </IRQ>
[   36.801252][    C0]  <TASK>
[   36.801252][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   36.801254][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   36.801256][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   36.801258][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   36.801260][    C0] RSP: 0018:ffffffff99407cf8 EFLAGS: 00000296
[   36.801262][    C0] RAX: 00000000000b4c33 RBX: ffffffff9941c600 RCX: ffffffff964f0307
[   36.801263][    C0] RDX: ffffffff9941c600 RSI: ffffffff99238af6 RDI: ffffffff98c8d8e0
[   36.801264][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   36.801265][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3280fa2
[   36.801266][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   36.801267][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.801269][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.801271][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   36.801272][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   36.801274][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   36.801276][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   36.801277][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   36.801280][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.801281][    C0]  do_idle (kernel/sched/idle.c:355)
[   36.801283][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   36.801284][    C0]  rest_init (init/main.c:727)
[   36.801286][    C0]  ? __cpuidle_text_end (??:?)
[   36.801289][    C0]  ? rest_init (init/main.c:727)
[   36.801290][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   36.801294][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   36.801297][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   36.801299][    C0]  start_kernel (init/main.c:1185)
[   36.801300][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   36.801302][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   36.801304][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   40.212850][  T413] softirqs last disabled at (0): 0x0
| [   40.212851][  T413] Preemption disabled at:
| [   40.212852][  T413] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.212869][  T413] Tainted: [W]=WARN
[   40.212870][  T413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.212872][  T413] Call Trace:
[   40.212873][  T413]  <TASK>
[   40.212874][  T413]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.212880][  T413]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.212882][  T413]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.212885][  T413]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.212889][  T413]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   40.212891][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212895][  T413]  __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))
[   40.212898][  T413]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.212901][  T413]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.212905][  T413]  ? 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)
[   40.212906][  T413]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.212908][  T413]  put_chars (drivers/char/virtio_console.c:1176)
[   40.212910][  T413]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.212912][  T413]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   40.212914][  T413]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.212918][  T413]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.212919][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212920][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.212922][  T413]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.212925][  T413]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.212927][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212928][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212930][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212931][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.212933][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   40.212935][  T413]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.212937][  T413]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.212940][  T413]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.212941][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.212943][  T413]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.212944][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212946][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.212947][  T413]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.212948][  T413]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   40.212950][  T413]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.212952][  T413]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.212954][  T413]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.212956][  T413]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.212958][  T413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.212961][  T413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.212964][  T413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.212965][  T413]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.212967][  T413]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.212969][  T413]  ? __sys_sendmsg (net/socket.c:2799)
[   40.212970][  T413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.212974][  T413]  _printk (kernel/printk/printk.c:2504)
[   40.212977][  T413]  ? snapshot_read.cold (user.c:?)
[   40.212979][  T413]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.212981][  T413]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.212983][  T413]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.212985][  T413]  ? netdev_notice (net/core/dev.c:13194)
[   40.212987][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.212988][  T413]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   40.212990][  T413]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   40.212992][  T413]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   40.212994][  T413]  ? 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)
[   40.212996][  T413]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   40.212999][  T413]  dev_set_allmulti (net/core/dev_api.c:315)
[   40.213002][  T413] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   40.213013][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.213017][  T413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.213019][  T413] br_del_if (net/bridge/br_if.c:732) bridge
[   40.213027][  T413]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.213029][  T413]  do_set_master (net/core/rtnetlink.c:3055)
[   40.213031][  T413]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   40.213033][  T413]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.213036][  T413]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.213037][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213038][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.213042][  T413]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.213044][  T413]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.213046][  T413]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.213047][  T413]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.213049][  T413]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   40.213050][  T413]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   40.213051][  T413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.213052][  T413]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.213053][  T413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.213055][  T413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.213056][  T413]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.213057][  T413]  ? ___sys_sendmsg (net/socket.c:2767)
[   40.213058][  T413]  ? __sys_sendmsg (net/socket.c:2799)
[   40.213060][  T413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.213061][  T413]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.213063][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213065][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.213066][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213068][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213069][  T413]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.213071][  T413]  ? __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)
[   40.213073][  T413]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.213075][  T413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.213076][  T413]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.213077][  T413]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.213079][  T413]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.213081][  T413]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.213083][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213085][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.213086][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.213087][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213089][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   40.213091][  T413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.213093][  T413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.213094][  T413]  ? __kernel_text_address (kernel/extable.c:79)
[   40.213095][  T413]  ? write_profile (profile.c:?)
[   40.213096][  T413]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.213099][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213100][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213102][  T413]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.213105][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.213106][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213108][  T413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.213110][  T413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.213111][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.213112][  T413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.213114][  T413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.213116][  T413]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.213117][  T413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.213118][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.213120][  T413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.213121][  T413]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   40.213123][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213125][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.213127][  T413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.213129][  T413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.213130][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213132][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213133][  T413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.213135][  T413]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.213137][  T413]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.213139][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213141][  T413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.213142][  T413]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.213144][  T413]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.213145][  T413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.213147][  T413]  ? move_addr_to_kernel (net/socket.c:258)
[   40.213148][  T413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.213151][  T413]  ___sys_sendmsg (net/socket.c:2767)
[   40.213153][  T413]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.213157][  T413]  __sys_sendmsg (net/socket.c:2799)
[   40.213159][  T413]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.213162][  T413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.213164][  T413]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.213165][  T413]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.213167][  T413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.213168][  T413] RIP: 0033:0x7ff25926654e
[   40.213170][  T413] 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
[   40.213172][  T413] RSP: 002b:00007ffd12469850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.213176][  T413] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff25926654e
[   40.213177][  T413] RDX: 0000000000000000 RSI: 00007ffd12469900 RDI: 0000000000000005
[   40.213178][  T413] RBP: 00007ffd12469860 R08: 0000000000000000 R09: 0000000000000000
[   40.213179][  T413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b24
[   40.213179][  T413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd12469fc0
| [   42.302260][  T416] softirqs last disabled at (0): 0x0
| [   42.302261][  T416] Preemption disabled at:
| [   42.302262][  T416] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.302273][  T416] Tainted: [W]=WARN
[   42.302274][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.302275][  T416] Call Trace:
[   42.302277][  T416]  <TASK>
[   42.302278][  T416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.302283][  T416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.302285][  T416]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.302289][  T416]  ? __module_address (kernel/module/main.c:3915)
[   42.302292][  T416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.302295][  T416]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   42.302297][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302300][  T416]  __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))
[   42.302303][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.302306][  T416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.302309][  T416]  ? 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)
[   42.302311][  T416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.302313][  T416]  put_chars (drivers/char/virtio_console.c:1176)
[   42.302314][  T416]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   42.302316][  T416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.302317][  T416]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   42.302320][  T416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.302323][  T416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.302324][  T416]  ? 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)
[   42.302326][  T416]  ? vsnprintf (lib/vsprintf.c:2900)
[   42.302329][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.302331][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302332][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302334][  T416]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.302337][  T416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.302339][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302340][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302342][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302343][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302345][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   42.302347][  T416]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.302349][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.302352][  T416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.302353][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302355][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.302357][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302358][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.302359][  T416]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.302361][  T416]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   42.302363][  T416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.302365][  T416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.302367][  T416]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.302369][  T416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.302371][  T416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.302373][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.302374][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302376][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302378][  T416]  _printk (kernel/printk/printk.c:2504)
[   42.302381][  T416]  ? snapshot_read.cold (user.c:?)
[   42.302383][  T416]  ? br_multicast_flood (??:?) bridge
[   42.302394][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.302397][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.302398][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.302400][  T416] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   42.302409][  T416] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   42.302416][  T416] new_nbp (net/bridge/br_if.c:449) bridge
[   42.302423][  T416] br_add_if (net/bridge/br_if.c:592) bridge
[   42.302430][  T416]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   42.302433][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.302435][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.302437][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   42.302439][  T416]  do_set_master (net/core/rtnetlink.c:3071)
[   42.302442][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.302443][  T416]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.302444][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.302446][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302447][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.302451][  T416]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.302454][  T416]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.302455][  T416]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.302456][  T416]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.302458][  T416]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   42.302459][  T416]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   42.302460][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.302461][  T416]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.302464][  T416]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.302465][  T416]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.302466][  T416]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.302469][  T416]  ? ___sys_sendmsg (net/socket.c:2767)
[   42.302470][  T416]  ? __sys_sendmsg (net/socket.c:2799)
[   42.302472][  T416]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.302474][  T416]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.302476][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302478][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302479][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302481][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302482][  T416]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.302486][  T416]  ? __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)
[   42.302488][  T416]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.302489][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.302490][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.302492][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.302494][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.302496][  T416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.302498][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302500][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.302501][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302502][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302504][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   42.302506][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.302508][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.302509][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   42.302510][  T416]  ? write_profile (profile.c:?)
[   42.302511][  T416]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.302514][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302515][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302517][  T416]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   42.302521][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302522][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302524][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.302525][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.302527][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.302528][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.302529][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.302532][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.302533][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.302534][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.302536][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.302537][  T416]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   42.302539][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302541][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.302543][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.302545][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.302546][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302548][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302549][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.302551][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.302553][  T416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.302555][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302557][  T416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.302558][  T416]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.302560][  T416]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.302562][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.302563][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   42.302564][  T416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.302567][  T416]  ___sys_sendmsg (net/socket.c:2767)
[   42.302569][  T416]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.302573][  T416]  __sys_sendmsg (net/socket.c:2799)
[   42.302575][  T416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.302578][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.302580][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.302581][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.302583][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.302584][  T416] RIP: 0033:0x7f7b0f7aa54e
[   42.302586][  T416] 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
[   42.302588][  T416] RSP: 002b:00007ffe59993700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.302592][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7b0f7aa54e
[   42.302593][  T416] RDX: 0000000000000000 RSI: 00007ffe599937b0 RDI: 0000000000000005
[   42.302594][  T416] RBP: 00007ffe59993710 R08: 0000000000000000 R09: 0000000000000000
[   42.302594][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b26
[   42.302595][  T416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe59993e70
| [   44.556195][  T457] softirqs last disabled at (0): 0x0
| [   44.556198][  T457] Preemption disabled at:
| [   44.556199][  T457] 0x0
| [   44.556210][  T457] Tainted: [W]=WARN
[   44.556211][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.556213][  T457] Call Trace:
[   44.556215][  T457]  <TASK>
[   44.556217][  T457]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.556224][  T457]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.556228][  T457]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.556233][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556238][  T457]  __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))
[   44.556242][  T457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.556246][  T457]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.556251][  T457]  ? 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)
[   44.556253][  T457]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.556256][  T457]  put_chars (drivers/char/virtio_console.c:1176)
[   44.556259][  T457]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.556261][  T457]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   44.556266][  T457]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.556271][  T457]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.556274][  T457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.556277][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556279][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556283][  T457]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.556286][  T457]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.556289][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556291][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556294][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556296][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556299][  T457]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.556301][  T457]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.556305][  T457]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.556309][  T457]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.556311][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556313][  T457]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.556316][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556318][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.556320][  T457]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.556322][  T457]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.556325][  T457]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.556328][  T457]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.556331][  T457]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.556334][  T457]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.556336][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556339][  T457]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.556342][  T457]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.556345][  T457]  _printk (kernel/printk/printk.c:2504)
[   44.556349][  T457]  ? snapshot_read.cold (user.c:?)
[   44.556352][  T457]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   44.556358][  T457] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   44.556376][  T457] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   44.556389][  T457] br_device_event (net/bridge/br.c:111) bridge
[   44.556402][  T457]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   44.556406][  T457]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   44.556409][  T457]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   44.556414][  T457]  notifier_call_chain (kernel/notifier.c:85)
[   44.556418][  T457]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   44.556422][  T457]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.556425][  T457]  ? netif_change_name (net/core/dev.c:1517)
[   44.556428][  T457]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   44.556431][  T457]  ? __kernel_text_address (kernel/extable.c:79)
[   44.556433][  T457]  ? write_profile (profile.c:?)
[   44.556436][  T457]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.556440][  T457]  netif_change_flags (net/core/dev.c:9882)
[   44.556444][  T457]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   44.556448][  T457]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.556450][  T457]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.556452][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556455][  T457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.556459][  T457]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.556463][  T457]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.556465][  T457]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.556467][  T457]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.556470][  T457]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.556472][  T457]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.556474][  T457]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.556475][  T457]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.556479][  T457]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.556481][  T457]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.556483][  T457]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.556486][  T457]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.556488][  T457]  ? __sys_sendmsg (net/socket.c:2799)
[   44.556491][  T457]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.556493][  T457]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.556497][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556500][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556502][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556504][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556507][  T457]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.556511][  T457]  ? __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)
[   44.556513][  T457]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.556515][  T457]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.556518][  T457]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.556521][  T457]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.556525][  T457]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.556528][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556531][  T457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.556532][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556535][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556538][  T457]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.556542][  T457]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.556544][  T457]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.556546][  T457]  ? __kernel_text_address (kernel/extable.c:79)
[   44.556548][  T457]  ? write_profile (profile.c:?)
[   44.556550][  T457]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.556552][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556555][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556557][  T457]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.556561][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556563][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556566][  T457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.556568][  T457]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.556571][  T457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.556573][  T457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.556575][  T457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.556579][  T457]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.556581][  T457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.556583][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.556586][  T457]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.556588][  T457]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.556592][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556594][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.556597][  T457]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.556600][  T457]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.556602][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556605][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556609][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.556613][  T457]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.556616][  T457]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.556619][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556622][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.556625][  T457]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.556628][  T457]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.556631][  T457]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.556633][  T457]  ? move_addr_to_kernel (net/socket.c:258)
[   44.556635][  T457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.556639][  T457]  ___sys_sendmsg (net/socket.c:2767)
[   44.556642][  T457]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.556650][  T457]  __sys_sendmsg (net/socket.c:2799)
[   44.556653][  T457]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.556657][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.556660][  T457]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.556662][  T457]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.556665][  T457]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.556667][  T457] RIP: 0033:0x7f16a77e054e
[   44.556670][  T457] 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
[   44.556673][  T457] RSP: 002b:00007ffd7bd527a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.556677][  T457] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f16a77e054e
[   44.556679][  T457] RDX: 0000000000000000 RSI: 00007ffd7bd52850 RDI: 0000000000000005
[   44.556680][  T457] RBP: 00007ffd7bd527b0 R08: 0000000000000000 R09: 0000000000000000
[   44.556682][  T457] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b28


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