======================================
| [    9.797228][  T188] softirqs last disabled at (36767): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.797230][  T188] Preemption disabled at:
| [    9.797231][  T188] 0x0
| [    9.797241][  T188] Tainted: [W]=WARN
[    9.797242][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.797243][  T188] Call Trace:
[    9.797245][  T188]  <TASK>
[    9.797247][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.797253][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.797258][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.797264][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.797269][  T188]  __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))
[    9.797272][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.797278][  T188]  ? 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)
[    9.797281][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.797284][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.797287][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.797288][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.797293][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.797298][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.797304][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.797306][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.797309][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.797312][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.797316][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.797318][  T188]  ? 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))
[    9.797321][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.797324][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.797328][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.797332][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.797333][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.797339][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.797341][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.797343][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.797346][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.797349][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.797351][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.797354][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.797358][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.797362][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.797365][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.797369][  T188]  ? snapshot_read.cold (user.c:?)
[    9.797372][  T188]  ? 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)
[    9.797374][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.797378][  T188]  ? 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)
[    9.797381][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.797385][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.797387][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.797389][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.797393][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.797396][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.797398][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.797400][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.797403][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.797406][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.797409][  T188] RIP: 0033:0x7fa6070eb1b8
[    9.797411][  T188] Code: Unable to access opcode bytes at 0x7fa6070eb18e.

Code starting with the faulting instruction
===========================================
[    9.797412][  T188] RSP: 002b:00007fff18d50398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.797415][  T188] RAX: ffffffffffffffda RBX: 00007fa60721bf88 RCX: 00007fa6070eb1b8
[    9.797416][  T188] RDX: 00007fa606e35fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.797417][  T188] RBP: 00007fff18d503f0 R08: 0000000000000000 R09: 0000000000008010
[    9.797418][  T188] R10: 00007fff18d501b0 R11: 0000000000000246 R12: 0000000000000001
[    9.797419][  T188] R13: 0000000000000000 R14: 00007fa60721a680 R15: 00007fa60721bfa0
| [   11.846756][  T269] softirqs last disabled at (24081): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.846758][  T269] Preemption disabled at:
| [   11.846759][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.846768][  T269] Tainted: [W]=WARN
[   11.846769][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.846771][  T269] Call Trace:
[   11.846773][  T269]  <TASK>
[   11.846774][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.846780][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.846783][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.846787][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.846791][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.846796][  T269]  __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))
[   11.846799][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.846804][  T269]  ? 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)
[   11.846807][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.846810][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   11.846813][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.846818][  T269]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.846821][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.846824][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.846826][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.846828][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.846832][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.846834][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.846837][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.846841][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.846845][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.846849][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.846851][  T269]  ? 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))
[   11.846854][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.846856][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.846861][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.846865][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.846867][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.846872][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.846875][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.846877][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.846879][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.846883][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.846885][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.846888][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.846892][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.846895][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.846896][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.846901][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.846904][  T269]  _printk (kernel/printk/printk.c:2504)
[   11.846908][  T269]  ? snapshot_read.cold (user.c:?)
[   11.846912][  T269]  ? br_multicast_flood (??:?) bridge
[   11.846925][  T269]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.846927][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.846928][  T269]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.846932][  T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.846943][  T269] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.846951][  T269] new_nbp (net/bridge/br_if.c:449) bridge
[   11.846961][  T269] br_add_if (net/bridge/br_if.c:592) bridge
[   11.846968][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.846972][  T269]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.846975][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   11.846979][  T269]  do_set_master (net/core/rtnetlink.c:3071)
[   11.846984][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.846987][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.846990][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.846992][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.846994][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.846998][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.847000][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.847002][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.847005][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.847008][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.847009][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.847012][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.847014][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.847017][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.847021][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.847023][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.847026][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.847028][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.847030][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.847032][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.847034][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.847038][  T269]  ? __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)
[   11.847039][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.847041][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.847045][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.847046][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.847052][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.847057][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.847062][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.847064][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.847073][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.847075][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.847077][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.847079][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.847083][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.847085][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.847088][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.847089][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.847094][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.847095][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.847099][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.847101][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.847104][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.847110][  T269]  ? 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))
[   11.847111][  T269]  ? 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))
[   11.847116][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.847120][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.847122][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.847126][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.847130][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.847134][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.847139][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.847142][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.847144][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.847146][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   11.847153][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   11.847156][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.847172][  T269]  __sys_sendmsg (net/socket.c:2799)
[   11.847174][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.847181][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.847184][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.847187][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.847190][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.847192][  T269] RIP: 0033:0x7fef904fc54e
[   11.847196][  T269] 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
[   11.847197][  T269] RSP: 002b:00007fff89394380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.847200][  T269] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fef904fc54e
[   11.847202][  T269] RDX: 0000000000000000 RSI: 00007fff89394430 RDI: 0000000000000005
[   11.847203][  T269] RBP: 00007fff89394390 R08: 0000000000000000 R09: 0000000000000000
[   11.847204][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130fa
[   11.847204][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff89394af0
| [   26.997357][    C3] softirqs last disabled at (883517): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.997359][    C3] Preemption disabled at:
| [   26.997360][    C3] 0x0
| [   26.997371][    C3] Tainted: [W]=WARN
[   26.997372][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.997373][    C3] Call Trace:
[   26.997375][    C3]  <IRQ>
[   26.997377][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.997382][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.997386][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.997389][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.997392][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997396][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.997399][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.997402][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.997405][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.997407][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.997409][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   26.997411][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.997412][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.997416][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.997419][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.997420][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997422][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.997424][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.997427][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.997429][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997430][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997432][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.997434][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.997435][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.997438][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.997440][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.997442][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.997443][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.997445][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997447][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.997448][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.997450][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.997451][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.997453][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.997456][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.997458][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.997469][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.997470][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.997477][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.997483][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.997486][    C3]  _printk (kernel/printk/printk.c:2504)
[   26.997489][    C3]  ? snapshot_read.cold (user.c:?)
[   26.997491][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.997495][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.997497][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.997499][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.997501][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.997504][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.997506][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.997508][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.997510][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.997511][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.997517][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997519][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.997521][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.997527][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.997529][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.997535][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.997541][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.997547][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   26.997550][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.997552][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.997555][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.997557][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.997559][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997561][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.997562][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.997569][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.997571][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.997573][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.997576][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.997578][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.997579][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.997582][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997583][    C3]  handle_softirqs (kernel/softirq.c:645)
[   26.997585][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.997587][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.997589][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.997590][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   26.997592][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.997594][    C3]  </IRQ>
[   26.997595][    C3]  <TASK>
[   26.997596][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.997597][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.997600][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.997602][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.997604][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   26.997607][    C3] RAX: 00000000000d7b3b RBX: ff11000001c88040 RCX: ffffffffad4f0307
[   26.997608][    C3] RDX: ff11000001c88040 RSI: ffffffffb0238b01 RDI: ffffffffafc8d8e0
[   26.997609][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.997610][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   26.997611][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.997612][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.997615][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.997617][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   26.997619][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.997621][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   26.997622][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.997625][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.997627][    C3]  do_idle (kernel/sched/idle.c:355)
[   26.997628][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.997630][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.997631][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.997633][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.057799][    C3]
| [   27.057916][    C3]
| [   27.057916][    C3] stack backtrace:
| [   27.058099][    C3] Tainted: [W]=WARN
[   27.058099][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.058101][    C3] Call Trace:
[   27.058102][    C3]  <IRQ>
[   27.058103][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.058108][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.058111][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.058114][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.058116][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.058118][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.058120][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.058126][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.058133][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058136][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.058138][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.058144][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.058146][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.058153][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.058159][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.058166][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.058168][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.058169][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.058173][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.058175][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.058177][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058179][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.058181][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.058187][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.058189][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.058192][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.058194][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.058196][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.058198][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.058200][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058202][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.058204][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.058205][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.058207][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.058209][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   27.058210][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.058212][    C3]  </IRQ>
[   27.058213][    C3]  <TASK>
[   27.058213][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.058215][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.058216][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.058219][    C3] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   27.058221][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   27.058223][    C3] RAX: 00000000000d7b3b RBX: ff11000001c88040 RCX: ffffffffad4f0307
[   27.058224][    C3] RDX: ff11000001c88040 RSI: ffffffffb0238b01 RDI: ffffffffafc8d8e0
[   27.058225][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.058226][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   27.058227][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.058228][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.058230][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.058232][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   27.058234][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.058235][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   27.058237][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.058239][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058241][    C3]  do_idle (kernel/sched/idle.c:355)
[   27.058242][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.058244][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.058245][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.058247][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   51.180711][ T2059] softirqs last disabled at (0): 0x0
| [   51.180713][ T2059] Preemption disabled at:
| [   51.180714][ T2059] 0x0
| [   51.180721][ T2059] Tainted: [W]=WARN
[   51.180723][ T2059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.180724][ T2059] Call Trace:
[   51.180726][ T2059]  <TASK>
[   51.180727][ T2059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.180732][ T2059]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.180736][ T2059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.180740][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180744][ T2059]  __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))
[   51.180747][ T2059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.180750][ T2059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.180754][ T2059]  ? 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)
[   51.180755][ T2059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.180757][ T2059]  put_chars (drivers/char/virtio_console.c:1176)
[   51.180759][ T2059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.180761][ T2059]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   51.180764][ T2059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.180767][ T2059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.180770][ T2059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.180771][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180773][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.180775][ T2059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.180778][ T2059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.180780][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180781][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180783][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180785][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.180787][ T2059]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   51.180788][ T2059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.180791][ T2059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.180793][ T2059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.180795][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.180797][ T2059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.180798][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180800][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.180801][ T2059]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.180803][ T2059]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   51.180805][ T2059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.180807][ T2059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.180809][ T2059]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.180811][ T2059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.180813][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180815][ T2059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.180817][ T2059]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   51.180819][ T2059]  _printk (kernel/printk/printk.c:2504)
[   51.180822][ T2059]  ? snapshot_read.cold (user.c:?)
[   51.180824][ T2059]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   51.180829][ T2059] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   51.180842][ T2059] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   51.180850][ T2059] br_device_event (net/bridge/br.c:111) bridge
[   51.180858][ T2059]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   51.180861][ T2059]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   51.180863][ T2059]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   51.180867][ T2059]  notifier_call_chain (kernel/notifier.c:85)
[   51.180870][ T2059]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   51.180873][ T2059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.180875][ T2059]  ? netif_change_name (net/core/dev.c:1517)
[   51.180877][ T2059]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   51.180879][ T2059]  ? __kernel_text_address (kernel/extable.c:79)
[   51.180881][ T2059]  ? write_profile (profile.c:?)
[   51.180883][ T2059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.180886][ T2059]  netif_change_flags (net/core/dev.c:9882)
[   51.180888][ T2059]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   51.180891][ T2059]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.180893][ T2059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.180894][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180896][ T2059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.180899][ T2059]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.180902][ T2059]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.180904][ T2059]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.180905][ T2059]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.180907][ T2059]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   51.180908][ T2059]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   51.180909][ T2059]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.180910][ T2059]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.180913][ T2059]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.180915][ T2059]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.180916][ T2059]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.180918][ T2059]  ? ___sys_sendmsg (net/socket.c:2767)
[   51.180920][ T2059]  ? __sys_sendmsg (net/socket.c:2799)
[   51.180921][ T2059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.180923][ T2059]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.180926][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180928][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.180929][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180931][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180932][ T2059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.180936][ T2059]  ? __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)
[   51.180937][ T2059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.180938][ T2059]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.180940][ T2059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.180942][ T2059]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.180944][ T2059]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.180946][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180948][ T2059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.180949][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.180951][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180953][ T2059]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   51.180956][ T2059]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   51.180958][ T2059]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   51.180959][ T2059]  ? __kernel_text_address (kernel/extable.c:79)
[   51.180960][ T2059]  ? write_profile (profile.c:?)
[   51.180962][ T2059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.180963][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180965][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180966][ T2059]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   51.180970][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.180971][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180973][ T2059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.180974][ T2059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.180976][ T2059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.180977][ T2059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.180978][ T2059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.180981][ T2059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.180982][ T2059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.180984][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.180985][ T2059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.180986][ T2059]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   51.180989][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180991][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.180993][ T2059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.180995][ T2059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.180996][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.180998][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.181000][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.181001][ T2059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.181003][ T2059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.181005][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.181007][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.181009][ T2059]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.181010][ T2059]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.181012][ T2059]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.181013][ T2059]  ? move_addr_to_kernel (net/socket.c:258)
[   51.181015][ T2059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.181017][ T2059]  ___sys_sendmsg (net/socket.c:2767)
[   51.181019][ T2059]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.181024][ T2059]  __sys_sendmsg (net/socket.c:2799)
[   51.181026][ T2059]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.181029][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.181031][ T2059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.181032][ T2059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.181034][ T2059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.181036][ T2059] RIP: 0033:0x7f50a55d754e
[   51.181038][ T2059] 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
[   51.181039][ T2059] RSP: 002b:00007fff42e94040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.181043][ T2059] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f50a55d754e
[   51.181045][ T2059] RDX: 0000000000000000 RSI: 00007fff42e940f0 RDI: 0000000000000005
[   51.181045][ T2059] RBP: 00007fff42e94050 R08: 0000000000000000 R09: 0000000000000000
[   51.181046][ T2059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913121
[   51.181047][ T2059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff42e947b0
| [   89.010389][ T3881] softirqs last disabled at (0): 0x0
| [   89.010390][ T3881] Preemption disabled at:
| [   89.010391][ T3881] 0x0
| [   89.010399][ T3881] Tainted: [W]=WARN
[   89.010400][ T3881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.010402][ T3881] Call Trace:
[   89.010403][ T3881]  <TASK>
[   89.010404][ T3881]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.010410][ T3881]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.010414][ T3881]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.010418][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010422][ T3881]  __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))
[   89.010425][ T3881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.010428][ T3881]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.010432][ T3881]  ? 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)
[   89.010434][ T3881]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.010436][ T3881]  put_chars (drivers/char/virtio_console.c:1176)
[   89.010438][ T3881]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.010440][ T3881]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   89.010443][ T3881]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.010447][ T3881]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.010449][ T3881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.010451][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010452][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010455][ T3881]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.010457][ T3881]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.010459][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010461][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010463][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010464][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010466][ T3881]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   89.010468][ T3881]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.010470][ T3881]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.010473][ T3881]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.010475][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010476][ T3881]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.010478][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010480][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.010481][ T3881]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   89.010483][ T3881]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   89.010485][ T3881]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.010487][ T3881]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.010489][ T3881]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.010491][ T3881]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.010493][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010495][ T3881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.010498][ T3881]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   89.010499][ T3881]  _printk (kernel/printk/printk.c:2504)
[   89.010502][ T3881]  ? snapshot_read.cold (user.c:?)
[   89.010505][ T3881]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   89.010509][ T3881] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   89.010523][ T3881] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   89.010531][ T3881] br_device_event (net/bridge/br.c:111) bridge
[   89.010540][ T3881]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   89.010544][ T3881]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   89.010546][ T3881]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   89.010549][ T3881]  notifier_call_chain (kernel/notifier.c:85)
[   89.010552][ T3881]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   89.010556][ T3881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.010558][ T3881]  ? netif_change_name (net/core/dev.c:1517)
[   89.010560][ T3881]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   89.010562][ T3881]  ? __kernel_text_address (kernel/extable.c:79)
[   89.010564][ T3881]  ? write_profile (profile.c:?)
[   89.010567][ T3881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.010570][ T3881]  netif_change_flags (net/core/dev.c:9882)
[   89.010572][ T3881]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   89.010575][ T3881]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.010576][ T3881]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.010577][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010579][ T3881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.010583][ T3881]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.010586][ T3881]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.010588][ T3881]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.010589][ T3881]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.010591][ T3881]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   89.010592][ T3881]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   89.010593][ T3881]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.010594][ T3881]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.010597][ T3881]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.010598][ T3881]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.010600][ T3881]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.010602][ T3881]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.010604][ T3881]  ? __sys_sendmsg (net/socket.c:2799)
[   89.010606][ T3881]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.010608][ T3881]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.010610][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010612][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010613][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010615][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010617][ T3881]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.010620][ T3881]  ? __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)
[   89.010622][ T3881]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.010623][ T3881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.010624][ T3881]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.010627][ T3881]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.010629][ T3881]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.010631][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010632][ T3881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.010634][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010635][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010637][ T3881]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.010640][ T3881]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.010642][ T3881]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.010643][ T3881]  ? __kernel_text_address (kernel/extable.c:79)
[   89.010644][ T3881]  ? write_profile (profile.c:?)
[   89.010646][ T3881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.010647][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010649][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010650][ T3881]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   89.010654][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010655][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010657][ T3881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.010658][ T3881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.010660][ T3881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.010661][ T3881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.010663][ T3881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.010665][ T3881]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.010667][ T3881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.010669][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.010670][ T3881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.010671][ T3881]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   89.010674][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010676][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.010678][ T3881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.010680][ T3881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.010681][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010683][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010685][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.010687][ T3881]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.010689][ T3881]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.010691][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010692][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.010694][ T3881]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.010696][ T3881]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.010698][ T3881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   89.010699][ T3881]  ? move_addr_to_kernel (net/socket.c:258)
[   89.010701][ T3881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.010703][ T3881]  ___sys_sendmsg (net/socket.c:2767)
[   89.010705][ T3881]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.010710][ T3881]  __sys_sendmsg (net/socket.c:2799)
[   89.010712][ T3881]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.010715][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.010717][ T3881]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.010718][ T3881]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.010720][ T3881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.010722][ T3881] RIP: 0033:0x7f6e459e454e
[   89.010724][ T3881] 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
[   89.010726][ T3881] RSP: 002b:00007ffe547ef070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.010730][ T3881] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e459e454e
[   89.010732][ T3881] RDX: 0000000000000000 RSI: 00007ffe547ef120 RDI: 0000000000000005
[   89.010732][ T3881] RBP: 00007ffe547ef080 R08: 0000000000000000 R09: 0000000000000000
[   89.010733][ T3881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913147
[   89.010734][ T3881] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe547ef7e0
| [  163.098886][ T7760] softirqs last disabled at (0): 0x0
| [  163.098888][ T7760] Preemption disabled at:
| [  163.098889][ T7760] 0x0
| [  163.098900][ T7760] Tainted: [W]=WARN
[  163.098901][ T7760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  163.098903][ T7760] Call Trace:
[  163.098905][ T7760]  <TASK>
[  163.098907][ T7760]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  163.098913][ T7760]  __might_resched.cold (kernel/sched/core.c:9234)
[  163.098918][ T7760]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  163.098923][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.098928][ T7760]  __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))
[  163.098932][ T7760]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.098935][ T7760]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.098940][ T7760]  ? 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)
[  163.098942][ T7760]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.098945][ T7760]  put_chars (drivers/char/virtio_console.c:1176)
[  163.098948][ T7760]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  163.098950][ T7760]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  163.098955][ T7760]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  163.098959][ T7760]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  163.098962][ T7760]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.098964][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.098967][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.098970][ T7760]  console_emit_next_record (kernel/printk/printk.c:3183)
[  163.098973][ T7760]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  163.098976][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.098978][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.098980][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.098982][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.098985][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  163.098987][ T7760]  console_flush_one_record (kernel/printk/printk.c:3268)
[  163.098991][ T7760]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  163.098995][ T7760]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  163.098997][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.098999][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  163.099001][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099003][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.099006][ T7760]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  163.099008][ T7760]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  163.099010][ T7760]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  163.099013][ T7760]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  163.099016][ T7760]  vprintk_emit (kernel/printk/printk.c:2479)
[  163.099019][ T7760]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  163.099021][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099024][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  163.099027][ T7760]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  163.099029][ T7760]  _printk (kernel/printk/printk.c:2504)
[  163.099033][ T7760]  ? snapshot_read.cold (user.c:?)
[  163.099036][ T7760]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  163.099042][ T7760] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  163.099060][ T7760] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  163.099072][ T7760] br_device_event (net/bridge/br.c:111) bridge
[  163.099085][ T7760]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  163.099090][ T7760]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  163.099093][ T7760]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  163.099097][ T7760]  notifier_call_chain (kernel/notifier.c:85)
[  163.099101][ T7760]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  163.099105][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  163.099108][ T7760]  ? netif_change_name (net/core/dev.c:1517)
[  163.099111][ T7760]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  163.099113][ T7760]  ? __kernel_text_address (kernel/extable.c:79)
[  163.099116][ T7760]  ? write_profile (profile.c:?)
[  163.099119][ T7760]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  163.099123][ T7760]  netif_change_flags (net/core/dev.c:9882)
[  163.099126][ T7760]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  163.099130][ T7760]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  163.099132][ T7760]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  163.099134][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099136][ T7760]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.099141][ T7760]  ? kasan_save_stack (mm/kasan/common.c:58)
[  163.099144][ T7760]  ? kasan_save_stack (mm/kasan/common.c:57)
[  163.099146][ T7760]  ? kasan_save_track (mm/kasan/common.c:78)
[  163.099148][ T7760]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  163.099150][ T7760]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  163.099153][ T7760]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  163.099154][ T7760]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.099156][ T7760]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.099159][ T7760]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.099161][ T7760]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.099163][ T7760]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  163.099166][ T7760]  ? ___sys_sendmsg (net/socket.c:2767)
[  163.099168][ T7760]  ? __sys_sendmsg (net/socket.c:2799)
[  163.099170][ T7760]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.099173][ T7760]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.099176][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099179][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.099181][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099183][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099185][ T7760]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  163.099189][ T7760]  ? __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)
[  163.099191][ T7760]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  163.099193][ T7760]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  163.099195][ T7760]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  163.099199][ T7760]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  163.099202][ T7760]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  163.099205][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099207][ T7760]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.099209][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.099211][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099214][ T7760]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  163.099218][ T7760]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  163.099220][ T7760]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  163.099222][ T7760]  ? __kernel_text_address (kernel/extable.c:79)
[  163.099224][ T7760]  ? write_profile (profile.c:?)
[  163.099226][ T7760]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  163.099228][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099230][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099232][ T7760]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  163.099237][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.099239][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099241][ T7760]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.099243][ T7760]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.099246][ T7760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.099248][ T7760]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.099250][ T7760]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.099253][ T7760]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.099255][ T7760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.099257][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.099262][ T7760]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  163.099264][ T7760]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  163.099269][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099271][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.099274][ T7760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.099277][ T7760]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  163.099280][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099282][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099285][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.099288][ T7760]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.099291][ T7760]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  163.099293][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099296][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.099298][ T7760]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  163.099301][ T7760]  ? copy_msghdr_from_user (net/socket.c:2650)
[  163.099303][ T7760]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  163.099305][ T7760]  ? move_addr_to_kernel (net/socket.c:258)
[  163.099307][ T7760]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.099311][ T7760]  ___sys_sendmsg (net/socket.c:2767)
[  163.099314][ T7760]  ? copy_msghdr_from_user (net/socket.c:2619)
[  163.099322][ T7760]  __sys_sendmsg (net/socket.c:2799)
[  163.099324][ T7760]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  163.099328][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.099331][ T7760]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.099333][ T7760]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  163.099336][ T7760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.099338][ T7760] RIP: 0033:0x7f21086b354e
[  163.099341][ T7760] 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
[  163.099343][ T7760] RSP: 002b:00007ffc28cf3d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  163.099347][ T7760] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f21086b354e
[  163.099349][ T7760] RDX: 0000000000000000 RSI: 00007ffc28cf3e00 RDI: 0000000000000005
[  163.099350][ T7760] RBP: 00007ffc28cf3d60 R08: 0000000000000000 R09: 0000000000000000
[  163.099351][ T7760] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913191
[  163.099353][ T7760] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc28cf44c0
| [  168.766307][ T7810] softirqs last disabled at (0): 0x0
| [  168.766308][ T7810] Preemption disabled at:
| [  168.766309][ T7810] 0x0
| [  168.766317][ T7810] Tainted: [W]=WARN
[  168.766318][ T7810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.766319][ T7810] Call Trace:
[  168.766321][ T7810]  <TASK>
[  168.766322][ T7810]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.766327][ T7810]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.766331][ T7810]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.766335][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766338][ T7810]  __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))
[  168.766342][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.766344][ T7810]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.766348][ T7810]  ? 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)
[  168.766350][ T7810]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.766352][ T7810]  put_chars (drivers/char/virtio_console.c:1176)
[  168.766353][ T7810]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  168.766355][ T7810]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.766357][ T7810]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  168.766360][ T7810]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.766363][ T7810]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.766364][ T7810]  ? 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)
[  168.766366][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.766367][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766369][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766370][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766372][ T7810]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.766375][ T7810]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.766377][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766378][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766380][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766382][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766383][ T7810]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  168.766385][ T7810]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.766387][ T7810]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.766390][ T7810]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.766391][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766393][ T7810]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.766394][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766396][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.766397][ T7810]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  168.766399][ T7810]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  168.766401][ T7810]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.766402][ T7810]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.766404][ T7810]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.766408][ T7810]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.766410][ T7810]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[  168.766413][ T7810]  ? netif_schedule_queue (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/dev.c:3472 (discriminator 2))
[  168.766417][ T7810]  _printk (kernel/printk/printk.c:2504)
[  168.766420][ T7810]  ? snapshot_read.cold (user.c:?)
[  168.766422][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.766424][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766425][ T7810]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.766428][ T7810] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  168.766441][ T7810] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  168.766449][ T7810] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[  168.766455][ T7810] br_dev_stop (net/bridge/br_device.c:193) bridge
[  168.766463][ T7810]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  168.766466][ T7810]  __dev_close_many (net/core/dev.c:1798)
[  168.766469][ T7810]  ? netif_open (net/core/dev.c:1755)
[  168.766470][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766472][ T7810]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.766474][ T7810]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[  168.766476][ T7810]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  168.766478][ T7810]  ? __kernel_text_address (kernel/extable.c:79)
[  168.766480][ T7810]  ? write_profile (profile.c:?)
[  168.766483][ T7810]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  168.766486][ T7810]  netif_change_flags (net/core/dev.c:9877)
[  168.766488][ T7810]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  168.766490][ T7810]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  168.766491][ T7810]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  168.766492][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766494][ T7810]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  168.766497][ T7810]  ? kasan_save_stack (mm/kasan/common.c:58)
[  168.766500][ T7810]  ? kasan_save_stack (mm/kasan/common.c:57)
[  168.766501][ T7810]  ? kasan_save_track (mm/kasan/common.c:78)
[  168.766503][ T7810]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  168.766504][ T7810]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  168.766506][ T7810]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  168.766507][ T7810]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.766508][ T7810]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.766511][ T7810]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.766512][ T7810]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.766513][ T7810]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  168.766516][ T7810]  ? ___sys_sendmsg (net/socket.c:2767)
[  168.766517][ T7810]  ? __sys_sendmsg (net/socket.c:2799)
[  168.766519][ T7810]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.766521][ T7810]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.766524][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766526][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766527][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766528][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766530][ T7810]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  168.766533][ T7810]  ? __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)
[  168.766535][ T7810]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  168.766536][ T7810]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  168.766538][ T7810]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  168.766540][ T7810]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  168.766542][ T7810]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.766544][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766545][ T7810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.766546][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766548][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766550][ T7810]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  168.766553][ T7810]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  168.766554][ T7810]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  168.766556][ T7810]  ? __kernel_text_address (kernel/extable.c:79)
[  168.766557][ T7810]  ? write_profile (profile.c:?)
[  168.766558][ T7810]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  168.766559][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766561][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766563][ T7810]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  168.766566][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766567][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766569][ T7810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.766570][ T7810]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.766572][ T7810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.766573][ T7810]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  168.766574][ T7810]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  168.766577][ T7810]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.766578][ T7810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.766579][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.766581][ T7810]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.766582][ T7810]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  168.766585][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766586][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.766588][ T7810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.766590][ T7810]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.766591][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766593][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766595][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.766597][ T7810]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.766598][ T7810]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.766600][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766602][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.766604][ T7810]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  168.766605][ T7810]  ? copy_msghdr_from_user (net/socket.c:2650)
[  168.766607][ T7810]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  168.766614][ T7810]  ? move_addr_to_kernel (net/socket.c:258)
[  168.766615][ T7810]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  168.766618][ T7810]  ___sys_sendmsg (net/socket.c:2767)
[  168.766619][ T7810]  ? copy_msghdr_from_user (net/socket.c:2619)
[  168.766624][ T7810]  __sys_sendmsg (net/socket.c:2799)
[  168.766626][ T7810]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  168.766629][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.766631][ T7810]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.766632][ T7810]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.766634][ T7810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.766635][ T7810] RIP: 0033:0x7fcb309f654e
[  168.766637][ T7810] 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
[  168.766639][ T7810] RSP: 002b:00007ffc0a13bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  168.766642][ T7810] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcb309f654e
[  168.766644][ T7810] RDX: 0000000000000000 RSI: 00007ffc0a13be20 RDI: 0000000000000005
[  168.766644][ T7810] RBP: 00007ffc0a13bd80 R08: 0000000000000000 R09: 0000000000000000
[  168.766645][ T7810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913197


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:vprintk_emit: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