======================================
| [    9.727432][  T212] softirqs last disabled at (33227): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.727434][  T212] Preemption disabled at:
| [    9.727435][  T212] 0x0
| [    9.727444][  T212] Tainted: [W]=WARN
[    9.727445][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.727447][  T212] Call Trace:
[    9.727449][  T212]  <TASK>
[    9.727450][  T212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.727457][  T212]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.727461][  T212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.727465][  T212]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.727469][  T212]  __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))
[    9.727471][  T212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.727478][  T212]  ? 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)
[    9.727481][  T212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.727484][  T212]  put_chars (drivers/char/virtio_console.c:1176)
[    9.727486][  T212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.727488][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.727491][  T212]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.727496][  T212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.727504][  T212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.727506][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.727508][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.727512][  T212]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.727516][  T212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.727518][  T212]  ? 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))
[    9.727521][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.727522][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.727526][  T212]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.727530][  T212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.727532][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.727537][  T212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.727540][  T212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.727542][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.727543][  T212]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.727547][  T212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.727549][  T212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.727551][  T212]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.727554][  T212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.727557][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.727561][  T212]  _printk (kernel/printk/printk.c:2504)
[    9.727564][  T212]  ? snapshot_read.cold (user.c:?)
[    9.727567][  T212]  ? 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)
[    9.727569][  T212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.727573][  T212]  ? 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)
[    9.727576][  T212]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.727579][  T212]  ? exit_notify (kernel/exit.c:780)
[    9.727581][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.727583][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.727587][  T212]  do_group_exit (kernel/exit.c:1151)
[    9.727589][  T212]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.727591][  T212]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.727594][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.727598][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.727600][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.727603][  T212] RIP: 0033:0x7ff398e0d1b8
[    9.727604][  T212] Code: Unable to access opcode bytes at 0x7ff398e0d18e.

Code starting with the faulting instruction
===========================================
[    9.727606][  T212] RSP: 002b:00007ffe7bb54728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.727608][  T212] RAX: ffffffffffffffda RBX: 00007ff398f3df88 RCX: 00007ff398e0d1b8
[    9.727609][  T212] RDX: 00007ff398b57fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.727610][  T212] RBP: 00007ffe7bb54780 R08: 0000000000000000 R09: 0000000000008010
[    9.727611][  T212] R10: 00007ffe7bb54540 R11: 0000000000000246 R12: 0000000000000001
[    9.727612][  T212] R13: 0000000000000000 R14: 00007ff398f3c680 R15: 00007ff398f3dfa0
| [   11.221013][  T277] softirqs last disabled at (26768): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.221016][  T277] Preemption disabled at:
| [   11.221016][  T277] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.221025][  T277] Tainted: [W]=WARN
[   11.221026][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.221027][  T277] Call Trace:
[   11.221029][  T277]  <TASK>
[   11.221031][  T277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.221037][  T277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.221038][  T277]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.221043][  T277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.221047][  T277]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.221052][  T277]  __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))
[   11.221054][  T277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.221061][  T277]  ? 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)
[   11.221063][  T277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.221067][  T277]  put_chars (drivers/char/virtio_console.c:1176)
[   11.221070][  T277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.221077][  T277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.221085][  T277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.221088][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.221093][  T277]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.221097][  T277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.221099][  T277]  ? 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))
[   11.221102][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221105][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.221109][  T277]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.221114][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.221116][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.221121][  T277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.221124][  T277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.221126][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221128][  T277]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.221132][  T277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.221134][  T277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.221137][  T277]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.221140][  T277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.221143][  T277]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.221147][  T277]  _printk (kernel/printk/printk.c:2504)
[   11.221151][  T277]  ? snapshot_read.cold (user.c:?)
[   11.221155][  T277]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.221157][  T277]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.221161][  T277]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.221164][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.221166][  T277]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.221169][  T277]  ? netdev_notice (net/core/dev.c:13194)
[   11.221171][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.221174][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.221177][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.221181][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.221183][  T277]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.221185][  T277]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.221191][  T277]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.221193][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   11.221196][  T277]  ? write_profile (profile.c:?)
[   11.221200][  T277]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.221206][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.221209][  T277]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.221211][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.221213][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.221215][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.221219][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.221221][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.221223][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.221226][  T277]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.221228][  T277]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.221229][  T277]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.221230][  T277]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.221233][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.221235][  T277]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.221238][  T277]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.221242][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.221244][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.221247][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221249][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.221251][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221252][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221254][  T277]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.221256][  T277]  ? __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)
[   11.221259][  T277]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.221261][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.221264][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.221266][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.221271][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221273][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.221279][  T277]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.221285][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.221287][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.221292][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.221294][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.221296][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.221298][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.221302][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.221304][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.221307][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.221309][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.221314][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.221316][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.221320][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.221323][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.221326][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.221333][  T277]  ? 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))
[   11.221336][  T277]  ? 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))
[   11.221341][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.221345][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.221348][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.221352][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.221357][  T277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.221361][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.221363][  T277]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.221368][  T277]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.221372][  T277]  ____sys_sendmsg (net/socket.c:2713)
[   11.221374][  T277]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.221376][  T277]  ? sock_write_iter (net/socket.c:1269)
[   11.221378][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   11.221386][  T277]  ___sys_sendmsg (net/socket.c:2767)
[   11.221389][  T277]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.221411][  T277]  __sys_sendmsg (net/socket.c:2799)
[   11.221414][  T277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.221421][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.221424][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.221427][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.221430][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.221433][  T277] RIP: 0033:0x7fdef417554e
[   11.221436][  T277] 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
[   11.221438][  T277] RSP: 002b:00007ffe45359420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.221441][  T277] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdef417554e
[   11.221442][  T277] RDX: 0000000000000000 RSI: 00007ffe453594d0 RDI: 0000000000000005
[   11.221443][  T277] RBP: 00007ffe45359430 R08: 0000000000000000 R09: 0000000000000000
[   11.221444][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140b6
[   11.221445][  T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe45359ba0
| [   22.720700][  T557] softirqs last disabled at (17756): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.720702][  T557] Preemption disabled at:
| [   22.720703][  T557] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.720711][  T557] Tainted: [W]=WARN
[   22.720712][  T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.720714][  T557] Call Trace:
[   22.720715][  T557]  <TASK>
[   22.720717][  T557]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.720723][  T557]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.720725][  T557]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.720729][  T557]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.720733][  T557]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.720738][  T557]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.720739][  T557]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.720746][  T557]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.720749][  T557]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.720752][  T557]  put_chars (drivers/char/virtio_console.c:1176)
[   22.720755][  T557]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.720756][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.720759][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.720765][  T557]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.720772][  T557]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.720775][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720777][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.720781][  T557]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.720784][  T557]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.720786][  T557]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.720789][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720791][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.720795][  T557]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.720799][  T557]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.720801][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.720806][  T557]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.720809][  T557]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.720811][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720813][  T557]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.720816][  T557]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.720818][  T557]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.720821][  T557]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.720824][  T557]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.720825][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.720827][  T557]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   22.720831][  T557]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.720835][  T557]  _printk (kernel/printk/printk.c:2504)
[   22.720838][  T557]  ? snapshot_read.cold (user.c:?)
[   22.720842][  T557]  ? br_multicast_flood (??:?)
[   22.720845][  T557]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.720847][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.720848][  T557]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.720852][  T557]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   22.720856][  T557]  br_init_port (net/bridge/br_stp_if.c:39)
[   22.720859][  T557]  new_nbp (net/bridge/br_if.c:449)
[   22.720862][  T557]  br_add_if (net/bridge/br_if.c:592)
[   22.720865][  T557]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.720868][  T557]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.720874][  T557]  do_set_master (net/core/rtnetlink.c:3071)
[   22.720877][  T557]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.720880][  T557]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.720884][  T557]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.720885][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.720887][  T557]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.720891][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.720893][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.720895][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.720897][  T557]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.720899][  T557]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.720901][  T557]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.720902][  T557]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.720904][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.720906][  T557]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.720909][  T557]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.720912][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.720914][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.720917][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720919][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.720920][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720921][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720923][  T557]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.720925][  T557]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.720927][  T557]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.720929][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.720932][  T557]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.720933][  T557]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.720938][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.720940][  T557]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.720945][  T557]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.720950][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.720952][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.720957][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.720958][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.720960][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.720962][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.720966][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.720968][  T557]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.720971][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.720972][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.720977][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.720978][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.720982][  T557]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.720985][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.720988][  T557]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.720994][  T557]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.720996][  T557]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.721001][  T557]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.721005][  T557]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.721007][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.721011][  T557]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.721015][  T557]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.721019][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.721021][  T557]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.721026][  T557]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.721029][  T557]  ____sys_sendmsg (net/socket.c:2713)
[   22.721031][  T557]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.721033][  T557]  ? sock_write_iter (net/socket.c:1269)
[   22.721035][  T557]  ? move_addr_to_kernel (net/socket.c:258)
[   22.721042][  T557]  ___sys_sendmsg (net/socket.c:2767)
[   22.721044][  T557]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.721060][  T557]  __sys_sendmsg (net/socket.c:2799)
[   22.721063][  T557]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.721069][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.721072][  T557]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.721075][  T557]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.721077][  T557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.721080][  T557] RIP: 0033:0x7f72edcd454e
[   22.721083][  T557] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.721085][  T557] RSP: 002b:00007fffe9ad2110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.721088][  T557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f72edcd454e
[   22.721089][  T557] RDX: 0000000000000000 RSI: 00007fffe9ad21c0 RDI: 0000000000000005
[   22.721090][  T557] RBP: 00007fffe9ad2120 R08: 0000000000000000 R09: 0000000000000000
[   22.721091][  T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140c2
[   22.721092][  T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe9ad2890
| [   24.062078][  T641] softirqs last disabled at (21895): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.062080][  T641] Preemption disabled at:
| [   24.062081][  T641] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.062089][  T641] Tainted: [W]=WARN
[   24.062090][  T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.062092][  T641] Call Trace:
[   24.062093][  T641]  <TASK>
[   24.062095][  T641]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.062101][  T641]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.062102][  T641]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.062107][  T641]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.062111][  T641]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.062115][  T641]  __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))
[   24.062117][  T641]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.062123][  T641]  ? 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)
[   24.062126][  T641]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.062130][  T641]  put_chars (drivers/char/virtio_console.c:1176)
[   24.062132][  T641]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.062134][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.062137][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.062142][  T641]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.062150][  T641]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.062152][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062154][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.062158][  T641]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.062162][  T641]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.062164][  T641]  ? 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))
[   24.062167][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062169][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.062173][  T641]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.062177][  T641]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.062179][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.062184][  T641]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.062187][  T641]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.062188][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062190][  T641]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.062194][  T641]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.062196][  T641]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.062198][  T641]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.062201][  T641]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.062203][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.062206][  T641]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.062209][  T641]  _printk (kernel/printk/printk.c:2504)
[   24.062213][  T641]  ? snapshot_read.cold (user.c:?)
[   24.062217][  T641]  ? br_multicast_flood (??:?)
[   24.062220][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.062221][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.062222][  T641]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.062227][  T641]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.062231][  T641]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.062233][  T641]  new_nbp (net/bridge/br_if.c:449)
[   24.062237][  T641]  br_add_if (net/bridge/br_if.c:592)
[   24.062239][  T641]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.062243][  T641]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.062248][  T641]  do_set_master (net/core/rtnetlink.c:3071)
[   24.062252][  T641]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.062255][  T641]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.062258][  T641]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.062260][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.062262][  T641]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.062266][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.062268][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.062269][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.062272][  T641]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.062274][  T641]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.062275][  T641]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.062277][  T641]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.062279][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.062281][  T641]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.062284][  T641]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.062288][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.062290][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.062292][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062294][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.062296][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062297][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062298][  T641]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.062301][  T641]  ? __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)
[   24.062303][  T641]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.062305][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.062308][  T641]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.062309][  T641]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.062314][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062316][  T641]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.062321][  T641]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.062327][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.062328][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.062333][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.062335][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.062337][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.062339][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.062343][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.062345][  T641]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.062348][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.062349][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.062353][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.062355][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.062359][  T641]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.062362][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.062365][  T641]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.062371][  T641]  ? 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))
[   24.062373][  T641]  ? 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))
[   24.062378][  T641]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.062382][  T641]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.062384][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.062388][  T641]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.062392][  T641]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.062396][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.062398][  T641]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.062403][  T641]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.062406][  T641]  ____sys_sendmsg (net/socket.c:2713)
[   24.062408][  T641]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.062410][  T641]  ? sock_write_iter (net/socket.c:1269)
[   24.062412][  T641]  ? move_addr_to_kernel (net/socket.c:258)
[   24.062419][  T641]  ___sys_sendmsg (net/socket.c:2767)
[   24.062422][  T641]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.062437][  T641]  __sys_sendmsg (net/socket.c:2799)
[   24.062440][  T641]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.062446][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.062449][  T641]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.062452][  T641]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.062454][  T641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.062457][  T641] RIP: 0033:0x7fc3036e654e
[   24.062460][  T641] 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
[   24.062462][  T641] RSP: 002b:00007ffc409dd030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.062465][  T641] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3036e654e
[   24.062466][  T641] RDX: 0000000000000000 RSI: 00007ffc409dd0e0 RDI: 0000000000000005
[   24.062467][  T641] RBP: 00007ffc409dd040 R08: 0000000000000000 R09: 0000000000000000
[   24.062468][  T641] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140c3
[   24.062468][  T641] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc409dd7b0
| [   25.347719][  T709] softirqs last disabled at (13306): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   25.347722][  T709] Preemption disabled at:
| [   25.347723][  T709] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.347731][  T709] Tainted: [W]=WARN
[   25.347732][  T709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.347734][  T709] Call Trace:
[   25.347735][  T709]  <TASK>
[   25.347737][  T709]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.347743][  T709]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.347744][  T709]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.347749][  T709]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.347753][  T709]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.347757][  T709]  __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))
[   25.347759][  T709]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.347766][  T709]  ? 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)
[   25.347768][  T709]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.347772][  T709]  put_chars (drivers/char/virtio_console.c:1176)
[   25.347774][  T709]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.347776][  T709]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.347779][  T709]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.347784][  T709]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.347792][  T709]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.347794][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347796][  T709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.347800][  T709]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.347804][  T709]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.347806][  T709]  ? 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))
[   25.347809][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347811][  T709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.347815][  T709]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.347819][  T709]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.347821][  T709]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.347826][  T709]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.347828][  T709]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.347830][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347832][  T709]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   25.347835][  T709]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.347837][  T709]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.347840][  T709]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.347843][  T709]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.347845][  T709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.347847][  T709]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.347851][  T709]  _printk (kernel/printk/printk.c:2504)
[   25.347854][  T709]  ? snapshot_read.cold (user.c:?)
[   25.347858][  T709]  ? br_multicast_flood (??:?)
[   25.347861][  T709]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.347862][  T709]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.347863][  T709]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.347868][  T709]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   25.347872][  T709]  br_init_port (net/bridge/br_stp_if.c:39)
[   25.347874][  T709]  new_nbp (net/bridge/br_if.c:449)
[   25.347878][  T709]  br_add_if (net/bridge/br_if.c:592)
[   25.347880][  T709]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   25.347884][  T709]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.347889][  T709]  do_set_master (net/core/rtnetlink.c:3071)
[   25.347892][  T709]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.347895][  T709]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.347899][  T709]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.347900][  T709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.347902][  T709]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.347906][  T709]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.347908][  T709]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.347909][  T709]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.347912][  T709]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.347914][  T709]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.347915][  T709]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.347916][  T709]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.347919][  T709]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.347920][  T709]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.347923][  T709]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.347927][  T709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.347929][  T709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.347931][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347933][  T709]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.347934][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347935][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347937][  T709]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.347939][  T709]  ? __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)
[   25.347942][  T709]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.347943][  T709]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.347947][  T709]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.347948][  T709]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.347953][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.347955][  T709]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.347960][  T709]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.347965][  T709]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.347967][  T709]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.347971][  T709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.347973][  T709]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.347975][  T709]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.347977][  T709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.347981][  T709]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.347983][  T709]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.347986][  T709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.347987][  T709]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.347991][  T709]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.347993][  T709]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.347996][  T709]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.347999][  T709]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.348002][  T709]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.348008][  T709]  ? 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))
[   25.348010][  T709]  ? 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))
[   25.348015][  T709]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.348019][  T709]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.348021][  T709]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.348025][  T709]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.348029][  T709]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.348033][  T709]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.348034][  T709]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.348040][  T709]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.348043][  T709]  ____sys_sendmsg (net/socket.c:2713)
[   25.348045][  T709]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.348047][  T709]  ? sock_write_iter (net/socket.c:1269)
[   25.348049][  T709]  ? move_addr_to_kernel (net/socket.c:258)
[   25.348056][  T709]  ___sys_sendmsg (net/socket.c:2767)
[   25.348058][  T709]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.348074][  T709]  __sys_sendmsg (net/socket.c:2799)
[   25.348077][  T709]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.348083][  T709]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.348086][  T709]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.348089][  T709]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.348091][  T709]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.348093][  T709] RIP: 0033:0x7febf2cb154e
[   25.348097][  T709] 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
[   25.348099][  T709] RSP: 002b:00007ffeceaac100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.348101][  T709] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007febf2cb154e
[   25.348103][  T709] RDX: 0000000000000000 RSI: 00007ffeceaac1b0 RDI: 0000000000000005
[   25.348103][  T709] RBP: 00007ffeceaac110 R08: 0000000000000000 R09: 0000000000000000
[   25.348104][  T709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140c4
[   25.348105][  T709] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeceaac880
| [   26.624094][  T779] softirqs last disabled at (15758): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   26.624097][  T779] Preemption disabled at:
| [   26.624097][  T779] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.624105][  T779] Tainted: [W]=WARN
[   26.624106][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.624108][  T779] Call Trace:
[   26.624109][  T779]  <TASK>
[   26.624111][  T779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.624116][  T779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.624118][  T779]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.624122][  T779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.624126][  T779]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.624131][  T779]  __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))
[   26.624133][  T779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.624139][  T779]  ? 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)
[   26.624142][  T779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.624145][  T779]  put_chars (drivers/char/virtio_console.c:1176)
[   26.624148][  T779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.624149][  T779]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.624152][  T779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.624158][  T779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.624166][  T779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.624168][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624170][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.624174][  T779]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.624178][  T779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.624180][  T779]  ? 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))
[   26.624183][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624185][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.624189][  T779]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.624193][  T779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.624195][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.624200][  T779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.624203][  T779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.624204][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624206][  T779]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.624210][  T779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.624212][  T779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.624214][  T779]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.624217][  T779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.624219][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.624222][  T779]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.624225][  T779]  _printk (kernel/printk/printk.c:2504)
[   26.624229][  T779]  ? snapshot_read.cold (user.c:?)
[   26.624232][  T779]  ? br_multicast_flood (??:?)
[   26.624236][  T779]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.624237][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.624238][  T779]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.624243][  T779]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.624247][  T779]  br_init_port (net/bridge/br_stp_if.c:39)
[   26.624249][  T779]  new_nbp (net/bridge/br_if.c:449)
[   26.624253][  T779]  br_add_if (net/bridge/br_if.c:592)
[   26.624256][  T779]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.624259][  T779]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.624265][  T779]  do_set_master (net/core/rtnetlink.c:3071)
[   26.624268][  T779]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.624271][  T779]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.624275][  T779]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.624276][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.624279][  T779]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.624282][  T779]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.624284][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.624286][  T779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.624288][  T779]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.624290][  T779]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.624291][  T779]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.624292][  T779]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.624295][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.624297][  T779]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.624299][  T779]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.624303][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.624305][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.624308][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624309][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.624311][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624312][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624313][  T779]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.624316][  T779]  ? __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)
[   26.624318][  T779]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.624320][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.624324][  T779]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.624325][  T779]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.624330][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624332][  T779]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.624337][  T779]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.624342][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.624344][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.624349][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.624351][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.624353][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.624355][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.624358][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.624361][  T779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.624364][  T779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.624365][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.624369][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.624371][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.624375][  T779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.624378][  T779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.624381][  T779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.624387][  T779]  ? 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))
[   26.624390][  T779]  ? 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))
[   26.624394][  T779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.624398][  T779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.624402][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.624407][  T779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.624411][  T779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.624414][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.624416][  T779]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.624421][  T779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.624424][  T779]  ____sys_sendmsg (net/socket.c:2713)
[   26.624426][  T779]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.624428][  T779]  ? sock_write_iter (net/socket.c:1269)
[   26.624430][  T779]  ? move_addr_to_kernel (net/socket.c:258)
[   26.624437][  T779]  ___sys_sendmsg (net/socket.c:2767)
[   26.624440][  T779]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.624456][  T779]  __sys_sendmsg (net/socket.c:2799)
[   26.624459][  T779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.624465][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.624468][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.624471][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.624474][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.624476][  T779] RIP: 0033:0x7fe02145b54e
[   26.624480][  T779] 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
[   26.624482][  T779] RSP: 002b:00007ffdbde607c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.624484][  T779] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe02145b54e
[   26.624486][  T779] RDX: 0000000000000000 RSI: 00007ffdbde60870 RDI: 0000000000000005
[   26.624487][  T779] RBP: 00007ffdbde607d0 R08: 0000000000000000 R09: 0000000000000000
[   26.624487][  T779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140c5
[   26.624488][  T779] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbde60f40
| [   27.983927][   T12] softirqs last disabled at (28022): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.983929][   T12] Preemption disabled at:
| [   27.983930][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.983938][   T12] Tainted: [W]=WARN
[   27.983939][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.983941][   T12] Workqueue: netns cleanup_net
[   27.983944][   T12] Call Trace:
[   27.983946][   T12]  <TASK>
[   27.983948][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.983954][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.983956][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.983960][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.983964][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.983968][   T12]  __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))
[   27.983970][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.983977][   T12]  ? 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)
[   27.983979][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.983983][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   27.983985][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.983989][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   27.983993][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.983997][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.984003][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.984006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.984011][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.984015][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.984017][   T12]  ? 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))
[   27.984020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.984022][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.984026][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.984030][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.984032][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.984037][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.984040][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.984042][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.984044][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.984050][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.984052][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.984055][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.984058][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.984059][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   27.984061][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.984063][   T12]  ? kthread (kernel/kthread.c:436)
[   27.984065][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   27.984068][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   27.984072][   T12]  _printk (kernel/printk/printk.c:2504)
[   27.984076][   T12]  ? snapshot_read.cold (user.c:?)
[   27.984080][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.984084][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.984088][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.984091][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   27.984095][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.984097][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   27.984099][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   27.984101][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.984104][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   27.984108][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   27.984111][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   27.984117][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   27.984120][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   27.984124][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   27.984128][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.984131][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.984133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.984136][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.984141][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   27.984144][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.984147][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.984149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.984153][   T12]  process_one_work (kernel/workqueue.c:3387)
[   27.984159][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.984162][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.984170][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.984177][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.984179][   T12]  kthread (kernel/kthread.c:436)
[   27.984181][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.984184][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.984187][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.984190][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.984193][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.984196][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.984199][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.378137][  T926] softirqs last disabled at (29042): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.378140][  T926] Preemption disabled at:
| [   29.378140][  T926] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.378148][  T926] Tainted: [W]=WARN
[   29.378149][  T926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.378151][  T926] Call Trace:
[   29.378152][  T926]  <TASK>
[   29.378154][  T926]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.378159][  T926]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.378161][  T926]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.378165][  T926]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.378170][  T926]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.378174][  T926]  __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))
[   29.378176][  T926]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.378183][  T926]  ? 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)
[   29.378186][  T926]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.378189][  T926]  put_chars (drivers/char/virtio_console.c:1176)
[   29.378192][  T926]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.378198][  T926]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.378206][  T926]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.378209][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.378214][  T926]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.378218][  T926]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.378220][  T926]  ? 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))
[   29.378223][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378225][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.378229][  T926]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.378234][  T926]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.378236][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.378241][  T926]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.378244][  T926]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.378246][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378247][  T926]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   29.378251][  T926]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.378253][  T926]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.378256][  T926]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.378259][  T926]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.378261][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.378262][  T926]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.378264][  T926]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   29.378268][  T926]  _printk (kernel/printk/printk.c:2504)
[   29.378272][  T926]  ? snapshot_read.cold (user.c:?)
[   29.378274][  T926]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.378277][  T926]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.378279][  T926]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.378282][  T926]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.378285][  T926]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.378288][  T926]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.378290][  T926]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.378293][  T926]  ? netdev_notice (net/core/dev.c:13194)
[   29.378296][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.378299][  T926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.378301][  T926]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.378305][  T926]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.378307][  T926]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.378309][  T926]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   29.378315][  T926]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.378317][  T926]  ? __kernel_text_address (kernel/extable.c:79)
[   29.378320][  T926]  ? write_profile (profile.c:?)
[   29.378324][  T926]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.378329][  T926]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.378333][  T926]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.378335][  T926]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.378337][  T926]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.378338][  T926]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.378342][  T926]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.378344][  T926]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.378345][  T926]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.378348][  T926]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.378350][  T926]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.378351][  T926]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.378352][  T926]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.378355][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.378356][  T926]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   29.378360][  T926]  ? ___sys_sendmsg (net/socket.c:2758)
[   29.378363][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.378365][  T926]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.378368][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378370][  T926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.378371][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378372][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378374][  T926]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.378376][  T926]  ? __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)
[   29.378379][  T926]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.378381][  T926]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.378384][  T926]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.378385][  T926]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.378390][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378392][  T926]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.378398][  T926]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.378406][  T926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.378408][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.378413][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.378415][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.378417][  T926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.378419][  T926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.378422][  T926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.378424][  T926]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.378428][  T926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.378429][  T926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.378433][  T926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.378435][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.378439][  T926]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.378442][  T926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.378445][  T926]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.378451][  T926]  ? 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))
[   29.378454][  T926]  ? 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))
[   29.378458][  T926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.378462][  T926]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.378465][  T926]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.378469][  T926]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.378473][  T926]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.378477][  T926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.378479][  T926]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.378484][  T926]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.378487][  T926]  ____sys_sendmsg (net/socket.c:2713)
[   29.378489][  T926]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.378491][  T926]  ? sock_write_iter (net/socket.c:1269)
[   29.378493][  T926]  ? move_addr_to_kernel (net/socket.c:258)
[   29.378500][  T926]  ___sys_sendmsg (net/socket.c:2767)
[   29.378503][  T926]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.378519][  T926]  __sys_sendmsg (net/socket.c:2799)
[   29.378522][  T926]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.378528][  T926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.378531][  T926]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.378534][  T926]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.378537][  T926]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.378539][  T926] RIP: 0033:0x7efeb84de54e
[   29.378543][  T926] 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
[   29.378545][  T926] RSP: 002b:00007ffe8e5f13a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.378547][  T926] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efeb84de54e
[   29.378549][  T926] RDX: 0000000000000000 RSI: 00007ffe8e5f1450 RDI: 0000000000000005
[   29.378550][  T926] RBP: 00007ffe8e5f13b0 R08: 0000000000000000 R09: 0000000000000000
[   29.378550][  T926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140c8
[   29.378551][  T926] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8e5f1b20
| [   41.181109][ T1227] softirqs last disabled at (17214): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   41.181111][ T1227] Preemption disabled at:
| [   41.181112][ T1227] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.181120][ T1227] Tainted: [W]=WARN
[   41.181121][ T1227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.181122][ T1227] Call Trace:
[   41.181124][ T1227]  <TASK>
[   41.181125][ T1227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.181131][ T1227]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.181133][ T1227]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.181137][ T1227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.181142][ T1227]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.181146][ T1227]  __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))
[   41.181148][ T1227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.181154][ T1227]  ? 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)
[   41.181157][ T1227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.181161][ T1227]  put_chars (drivers/char/virtio_console.c:1176)
[   41.181163][ T1227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.181164][ T1227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.181168][ T1227]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.181173][ T1227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.181181][ T1227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.181183][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181185][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.181189][ T1227]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.181193][ T1227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.181195][ T1227]  ? 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))
[   41.181198][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181200][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.181204][ T1227]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.181208][ T1227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.181210][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.181215][ T1227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.181218][ T1227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.181220][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181221][ T1227]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.181225][ T1227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.181227][ T1227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.181230][ T1227]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.181233][ T1227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.181235][ T1227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.181237][ T1227]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.181241][ T1227]  _printk (kernel/printk/printk.c:2504)
[   41.181245][ T1227]  ? snapshot_read.cold (user.c:?)
[   41.181248][ T1227]  ? br_multicast_flood (??:?)
[   41.181251][ T1227]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.181253][ T1227]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.181254][ T1227]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.181258][ T1227]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.181263][ T1227]  br_init_port (net/bridge/br_stp_if.c:39)
[   41.181265][ T1227]  new_nbp (net/bridge/br_if.c:449)
[   41.181269][ T1227]  br_add_if (net/bridge/br_if.c:592)
[   41.181272][ T1227]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.181275][ T1227]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.181281][ T1227]  do_set_master (net/core/rtnetlink.c:3071)
[   41.181284][ T1227]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.181288][ T1227]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.181291][ T1227]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.181292][ T1227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.181295][ T1227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.181298][ T1227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.181300][ T1227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.181302][ T1227]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.181304][ T1227]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.181307][ T1227]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.181308][ T1227]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.181309][ T1227]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.181312][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.181313][ T1227]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   41.181316][ T1227]  ? ___sys_sendmsg (net/socket.c:2758)
[   41.181320][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.181322][ T1227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.181324][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181326][ T1227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.181328][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181329][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181331][ T1227]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.181333][ T1227]  ? __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)
[   41.181335][ T1227]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.181337][ T1227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.181340][ T1227]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.181342][ T1227]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.181347][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181349][ T1227]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.181354][ T1227]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.181359][ T1227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.181361][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.181366][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.181368][ T1227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.181370][ T1227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.181372][ T1227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.181376][ T1227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.181378][ T1227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.181380][ T1227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.181382][ T1227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.181386][ T1227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.181388][ T1227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.181392][ T1227]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.181395][ T1227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.181398][ T1227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.181404][ T1227]  ? 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))
[   41.181406][ T1227]  ? 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))
[   41.181411][ T1227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.181415][ T1227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.181417][ T1227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.181422][ T1227]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.181426][ T1227]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.181429][ T1227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.181431][ T1227]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.181436][ T1227]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.181439][ T1227]  ____sys_sendmsg (net/socket.c:2713)
[   41.181441][ T1227]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.181444][ T1227]  ? sock_write_iter (net/socket.c:1269)
[   41.181445][ T1227]  ? move_addr_to_kernel (net/socket.c:258)
[   41.181453][ T1227]  ___sys_sendmsg (net/socket.c:2767)
[   41.181455][ T1227]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.181471][ T1227]  __sys_sendmsg (net/socket.c:2799)
[   41.181474][ T1227]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.181480][ T1227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.181483][ T1227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.181486][ T1227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.181489][ T1227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.181491][ T1227] RIP: 0033:0x7f0d1a15f54e
[   41.181495][ T1227] 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
[   41.181497][ T1227] RSP: 002b:00007ffe79fa3a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.181500][ T1227] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d1a15f54e
[   41.181501][ T1227] RDX: 0000000000000000 RSI: 00007ffe79fa3ae0 RDI: 0000000000000005
[   41.181502][ T1227] RBP: 00007ffe79fa3a40 R08: 0000000000000000 R09: 0000000000000000
[   41.181503][ T1227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140d4
[   41.181504][ T1227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe79fa41b0
| [   42.493965][ T1315] softirqs last disabled at (19860): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   42.493967][ T1315] Preemption disabled at:
| [   42.493968][ T1315] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.493976][ T1315] Tainted: [W]=WARN
[   42.493977][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.493978][ T1315] Call Trace:
[   42.493980][ T1315]  <TASK>
[   42.493981][ T1315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.493987][ T1315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.493989][ T1315]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.493993][ T1315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.493997][ T1315]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.494002][ T1315]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   42.494003][ T1315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.494010][ T1315]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.494013][ T1315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.494016][ T1315]  put_chars (drivers/char/virtio_console.c:1176)
[   42.494019][ T1315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.494020][ T1315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.494024][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.494029][ T1315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.494036][ T1315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.494039][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494041][ T1315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.494045][ T1315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.494049][ T1315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.494051][ T1315]  ? 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))
[   42.494054][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494056][ T1315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.494059][ T1315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.494064][ T1315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.494066][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.494071][ T1315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.494074][ T1315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.494075][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494077][ T1315]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   42.494081][ T1315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.494082][ T1315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.494085][ T1315]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.494088][ T1315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.494090][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.494093][ T1315]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.494096][ T1315]  _printk (kernel/printk/printk.c:2504)
[   42.494100][ T1315]  ? snapshot_read.cold (user.c:?)
[   42.494103][ T1315]  ? br_multicast_flood (??:?)
[   42.494106][ T1315]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.494108][ T1315]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.494109][ T1315]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.494113][ T1315]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   42.494117][ T1315]  br_init_port (net/bridge/br_stp_if.c:39)
[   42.494120][ T1315]  new_nbp (net/bridge/br_if.c:449)
[   42.494123][ T1315]  br_add_if (net/bridge/br_if.c:592)
[   42.494126][ T1315]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.494129][ T1315]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.494135][ T1315]  do_set_master (net/core/rtnetlink.c:3071)
[   42.494138][ T1315]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   42.494141][ T1315]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.494145][ T1315]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.494146][ T1315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.494149][ T1315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.494152][ T1315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.494154][ T1315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.494156][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.494158][ T1315]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.494160][ T1315]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.494162][ T1315]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.494163][ T1315]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.494165][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.494167][ T1315]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   42.494169][ T1315]  ? ___sys_sendmsg (net/socket.c:2758)
[   42.494173][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.494175][ T1315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.494178][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494179][ T1315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.494181][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494182][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494184][ T1315]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.494186][ T1315]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   42.494188][ T1315]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.494190][ T1315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.494193][ T1315]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.494194][ T1315]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.494199][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494201][ T1315]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.494207][ T1315]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.494212][ T1315]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.494214][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.494218][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.494220][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.494222][ T1315]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.494224][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.494228][ T1315]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.494230][ T1315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.494233][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.494234][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.494238][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.494240][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.494244][ T1315]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.494247][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.494250][ T1315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.494256][ T1315]  ? 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))
[   42.494258][ T1315]  ? 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))
[   42.494263][ T1315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.494267][ T1315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.494269][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.494273][ T1315]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.494277][ T1315]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.494281][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.494283][ T1315]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   42.494288][ T1315]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.494291][ T1315]  ____sys_sendmsg (net/socket.c:2713)
[   42.494293][ T1315]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.494295][ T1315]  ? sock_write_iter (net/socket.c:1269)
[   42.494297][ T1315]  ? move_addr_to_kernel (net/socket.c:258)
[   42.494304][ T1315]  ___sys_sendmsg (net/socket.c:2767)
[   42.494307][ T1315]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.494323][ T1315]  __sys_sendmsg (net/socket.c:2799)
[   42.494325][ T1315]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.494332][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.494335][ T1315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.494337][ T1315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.494340][ T1315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.494342][ T1315] RIP: 0033:0x7f83bc85f54e
[   42.494346][ T1315] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.494348][ T1315] RSP: 002b:00007fff24f6ab80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.494350][ T1315] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f83bc85f54e
[   42.494352][ T1315] RDX: 0000000000000000 RSI: 00007fff24f6ac30 RDI: 0000000000000005
[   42.494353][ T1315] RBP: 00007fff24f6ab90 R08: 0000000000000000 R09: 0000000000000000
[   42.494353][ T1315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140d5
[   42.494354][ T1315] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff24f6b300
| [   42.502069][    C0]
| [   42.502069][    C0]
| [   42.502069][    C0] stack backtrace:
| [   42.502074][    C0] Tainted: [W]=WARN
[   42.502075][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.502076][    C0] Call Trace:
[   42.502077][    C0]  <IRQ>
[   42.502078][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.502082][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   42.502084][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   42.502086][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   42.502089][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   42.502091][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   42.502092][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   42.502095][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.502096][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   42.502098][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.502100][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.502102][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   42.502104][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   42.502106][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   42.502107][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.502109][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   42.502111][    C0]  _printk (kernel/printk/printk.c:2504)
[   42.502113][    C0]  ? snapshot_read.cold (user.c:?)
[   42.502114][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   42.502116][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.502118][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   42.502120][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   42.502122][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   42.502123][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   42.502125][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   42.502127][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   42.502129][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.502131][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.502133][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.502135][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   42.502136][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   42.502138][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   42.502140][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.502143][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.502146][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   42.502148][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   42.502150][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.502152][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.502154][    C0]  handle_softirqs (kernel/softirq.c:645)
[   42.502155][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.502157][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   42.502159][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   42.502161][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   42.502162][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   42.502164][    C0]  </IRQ>
[   42.502164][    C0]  <TASK>
[   42.502165][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   42.502166][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   42.502168][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   42.502170][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 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 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  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 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  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
[   42.502171][    C0] RSP: 0018:ffffffffa4407cf8 EFLAGS: 00000296
[   42.502173][    C0] RAX: 000000000021f13d RBX: ffffffffa4430600 RCX: ffffffffa0b06247
[   42.502174][    C0] RDX: ffffffffa4430600 RSI: ffffffffa3d11027 RDI: ffffffffa36949e0
[   42.502175][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   42.502176][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4880fa2
[   42.502177][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   42.502178][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   42.502180][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   42.502182][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   42.502183][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   42.502185][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   42.502186][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   42.502188][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   42.502190][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.502192][    C0]  do_idle (kernel/sched/idle.c:355)
[   42.502193][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   42.502195][    C0]  rest_init (init/main.c:727)
[   42.502196][    C0]  ? __cpuidle_text_end (??:?)
[   42.502199][    C0]  ? rest_init (init/main.c:727)
[   42.502201][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   42.502204][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   42.502205][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   42.502207][    C0]  start_kernel (init/main.c:1185)
[   42.502209][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   42.502211][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   42.502212][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   43.610444][ T1411] softirqs last disabled at (0): 0x0
| [   43.610445][ T1411] Preemption disabled at:
| [   43.610446][ T1411] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.610456][ T1411] Tainted: [W]=WARN
[   43.610457][ T1411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.610458][ T1411] Call Trace:
[   43.610460][ T1411]  <TASK>
[   43.610461][ T1411]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.610466][ T1411]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.610467][ T1411]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.610471][ T1411]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.610474][ T1411]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   43.610477][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610480][ T1411]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.610482][ T1411]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.610485][ T1411]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.610490][ T1411]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.610491][ T1411]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.610494][ T1411]  put_chars (drivers/char/virtio_console.c:1176)
[   43.610495][ T1411]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.610497][ T1411]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.610499][ T1411]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.610504][ T1411]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.610505][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610507][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610509][ T1411]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.610511][ T1411]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.610513][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610514][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610515][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610516][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610518][ T1411]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.610520][ T1411]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.610522][ T1411]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.610525][ T1411]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.610527][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610528][ T1411]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.610530][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610530][ T1411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.610532][ T1411]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   43.610533][ T1411]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   43.610535][ T1411]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.610536][ T1411]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.610538][ T1411]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.610539][ T1411]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.610540][ T1411]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.610542][ T1411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.610545][ T1411]  _printk (kernel/printk/printk.c:2504)
[   43.610548][ T1411]  ? snapshot_read.cold (user.c:?)
[   43.610550][ T1411]  ? br_multicast_flood (??:?)
[   43.610554][ T1411]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.610556][ T1411]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.610557][ T1411]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.610559][ T1411]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.610562][ T1411]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.610564][ T1411]  new_nbp (net/bridge/br_if.c:449)
[   43.610566][ T1411]  br_add_if (net/bridge/br_if.c:592)
[   43.610568][ T1411]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.610570][ T1411]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.610572][ T1411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.610575][ T1411]  do_set_master (net/core/rtnetlink.c:3071)
[   43.610576][ T1411]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.610578][ T1411]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.610579][ T1411]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.610580][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610581][ T1411]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.610585][ T1411]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.610587][ T1411]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.610588][ T1411]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.610589][ T1411]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.610590][ T1411]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.610591][ T1411]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.610592][ T1411]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.610593][ T1411]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.610595][ T1411]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.610597][ T1411]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.610598][ T1411]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.610601][ T1411]  ? ____sys_sendmsg (net/socket.c:2713)
[   43.610602][ T1411]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.610604][ T1411]  ? __sys_sendmsg (net/socket.c:2799)
[   43.610605][ T1411]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.610608][ T1411]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.610611][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610612][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610613][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610614][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610615][ T1411]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.610616][ T1411]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   43.610618][ T1411]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.610619][ T1411]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.610621][ T1411]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.610622][ T1411]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.610625][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610626][ T1411]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.610628][ T1411]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.610630][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610631][ T1411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.610632][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610634][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610635][ T1411]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.610636][ T1411]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.610637][ T1411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.610638][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610640][ T1411]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.610643][ T1411]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   43.610645][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610646][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610647][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610648][ T1411]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.610650][ T1411]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.610651][ T1411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.610653][ T1411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.610654][ T1411]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.610656][ T1411]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.610658][ T1411]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.610659][ T1411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.610661][ T1411]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.610662][ T1411]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.610665][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610666][ T1411]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.610668][ T1411]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.610670][ T1411]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.610674][ T1411]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.610676][ T1411]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.610678][ T1411]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.610679][ T1411]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.610681][ T1411]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.610683][ T1411]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.610686][ T1411]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.610687][ T1411]  ____sys_sendmsg (net/socket.c:2713)
[   43.610689][ T1411]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.610690][ T1411]  ? sock_write_iter (net/socket.c:1269)
[   43.610692][ T1411]  ? move_addr_to_kernel (net/socket.c:258)
[   43.610693][ T1411]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.610696][ T1411]  ___sys_sendmsg (net/socket.c:2767)
[   43.610697][ T1411]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.610702][ T1411]  __sys_sendmsg (net/socket.c:2799)
[   43.610704][ T1411]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.610706][ T1411]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.610708][ T1411]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.610709][ T1411]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.610711][ T1411]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.610712][ T1411] RIP: 0033:0x7f954fffa54e
[   43.610714][ T1411] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.610716][ T1411] RSP: 002b:00007ffff8f67730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.610720][ T1411] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f954fffa54e
[   43.610721][ T1411] RDX: 0000000000000000 RSI: 00007ffff8f677e0 RDI: 0000000000000005
[   43.610722][ T1411] RBP: 00007ffff8f67740 R08: 0000000000000000 R09: 0000000000000000
[   43.610723][ T1411] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140d6
[   43.610723][ T1411] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff8f67eb0
| [   45.054482][   T12] softirqs last disabled at (340946): addrconf_dad_begin (net/ipv6/addrconf.c:4137)
| [   45.054484][   T12] Preemption disabled at:
| [   45.054485][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.054495][   T12] Tainted: [W]=WARN
[   45.054496][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.054498][   T12] Workqueue: netns cleanup_net
[   45.054504][   T12] Call Trace:
[   45.054505][   T12]  <TASK>
[   45.054507][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.054512][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.054513][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.054516][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   45.054519][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.054522][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054524][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.054527][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.054530][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.054535][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.054537][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.054539][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   45.054541][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.054542][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   45.054545][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.054549][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.054551][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   45.054553][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.054555][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054556][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054558][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.054560][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.054562][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054563][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054565][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.054568][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.054570][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.054572][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.054575][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.054576][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.054578][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.054580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054581][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.054582][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.054584][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   45.054585][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.054587][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.054588][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.054590][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.054591][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   45.054593][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   45.054595][   T12]  ? kthread (kernel/kthread.c:436)
[   45.054597][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   45.054600][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   45.054603][   T12]  _printk (kernel/printk/printk.c:2504)
[   45.054606][   T12]  ? snapshot_read.cold (user.c:?)
[   45.054608][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.054611][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.054613][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.054615][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   45.054617][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054619][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   45.054620][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.054623][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   45.054624][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   45.054626][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   45.054628][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   45.054630][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   45.054634][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   45.054636][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   45.054638][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   45.054640][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   45.054642][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   45.054645][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   45.054647][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   45.054649][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.054650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.054652][   T12]  process_one_work (kernel/workqueue.c:3387)
[   45.054655][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   45.054657][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.054659][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.054661][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   45.054664][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.054666][   T12]  kthread (kernel/kthread.c:436)
[   45.054667][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.054669][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.054675][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.054677][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   45.054679][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.054682][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.054684][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.175660][ T1942] softirqs last disabled at (0): 0x0
| [   57.175662][ T1942] Preemption disabled at:
| [   57.175663][ T1942] vprintk_emit (kernel/printk/printk.c:2471)
| [   57.175675][ T1942] Tainted: [W]=WARN
[   57.175676][ T1942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.175678][ T1942] Call Trace:
[   57.175679][ T1942]  <TASK>
[   57.175680][ T1942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.175686][ T1942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   57.175687][ T1942]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.175691][ T1942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.175694][ T1942]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   57.175698][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175700][ T1942]  __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))
[   57.175703][ T1942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.175706][ T1942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.175711][ T1942]  ? 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)
[   57.175713][ T1942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.175715][ T1942]  put_chars (drivers/char/virtio_console.c:1176)
[   57.175717][ T1942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.175718][ T1942]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   57.175721][ T1942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.175726][ T1942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.175728][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175729][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175731][ T1942]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.175734][ T1942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.175736][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175737][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175738][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175739][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175741][ T1942]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   57.175743][ T1942]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.175745][ T1942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.175748][ T1942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.175749][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175751][ T1942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.175752][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175753][ T1942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.175755][ T1942]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   57.175756][ T1942]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   57.175758][ T1942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.175760][ T1942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.175761][ T1942]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.175763][ T1942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.175764][ T1942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.175766][ T1942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   57.175769][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175770][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175772][ T1942]  _printk (kernel/printk/printk.c:2504)
[   57.175774][ T1942]  ? snapshot_read.cold (user.c:?)
[   57.175776][ T1942]  ? br_multicast_flood (??:?)
[   57.175780][ T1942]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   57.175783][ T1942]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.175784][ T1942]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.175786][ T1942]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   57.175788][ T1942]  br_init_port (net/bridge/br_stp_if.c:39)
[   57.175790][ T1942]  new_nbp (net/bridge/br_if.c:449)
[   57.175792][ T1942]  br_add_if (net/bridge/br_if.c:592)
[   57.175794][ T1942]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   57.175797][ T1942]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   57.175798][ T1942]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   57.175801][ T1942]  do_set_master (net/core/rtnetlink.c:3071)
[   57.175803][ T1942]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   57.175804][ T1942]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   57.175806][ T1942]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   57.175807][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175808][ T1942]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   57.175811][ T1942]  ? kasan_save_stack (mm/kasan/common.c:58)
[   57.175813][ T1942]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.175814][ T1942]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.175815][ T1942]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.175816][ T1942]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   57.175818][ T1942]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   57.175819][ T1942]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.175820][ T1942]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.175823][ T1942]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.175826][ T1942]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.175827][ T1942]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   57.175830][ T1942]  ? ____sys_sendmsg (net/socket.c:2713)
[   57.175832][ T1942]  ? ___sys_sendmsg (net/socket.c:2767)
[   57.175833][ T1942]  ? __sys_sendmsg (net/socket.c:2799)
[   57.175835][ T1942]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.175838][ T1942]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.175841][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175842][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175843][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175844][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175845][ T1942]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   57.175847][ T1942]  ? __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)
[   57.175848][ T1942]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   57.175849][ T1942]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   57.175851][ T1942]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   57.175852][ T1942]  ? nla_get_range_signed (lib/nlattr.c:270)
[   57.175855][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175856][ T1942]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   57.175858][ T1942]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   57.175860][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175861][ T1942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.175863][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175864][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175865][ T1942]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   57.175867][ T1942]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   57.175868][ T1942]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   57.175869][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175870][ T1942]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   57.175878][ T1942]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   57.175880][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175881][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175883][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175884][ T1942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   57.175885][ T1942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   57.175887][ T1942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.175888][ T1942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   57.175890][ T1942]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   57.175892][ T1942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   57.175894][ T1942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.175895][ T1942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.175896][ T1942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.175898][ T1942]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   57.175901][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175902][ T1942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.175904][ T1942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.175906][ T1942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.175908][ T1942]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.175910][ T1942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   57.175912][ T1942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   57.175913][ T1942]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   57.175915][ T1942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.175916][ T1942]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   57.175920][ T1942]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   57.175921][ T1942]  ____sys_sendmsg (net/socket.c:2713)
[   57.175923][ T1942]  ? copy_msghdr_from_user (net/socket.c:2650)
[   57.175925][ T1942]  ? sock_write_iter (net/socket.c:1269)
[   57.175926][ T1942]  ? move_addr_to_kernel (net/socket.c:258)
[   57.175927][ T1942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   57.175930][ T1942]  ___sys_sendmsg (net/socket.c:2767)
[   57.175932][ T1942]  ? copy_msghdr_from_user (net/socket.c:2619)
[   57.175936][ T1942]  __sys_sendmsg (net/socket.c:2799)
[   57.175938][ T1942]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   57.175941][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.175942][ T1942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   57.175944][ T1942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   57.175946][ T1942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.175948][ T1942] RIP: 0033:0x7fcd439ec54e
[   57.175949][ T1942] 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
[   57.175951][ T1942] RSP: 002b:00007ffddd7ad790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.175955][ T1942] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcd439ec54e
[   57.175956][ T1942] RDX: 0000000000000000 RSI: 00007ffddd7ad840 RDI: 0000000000000005
[   57.175957][ T1942] RBP: 00007ffddd7ad7a0 R08: 0000000000000000 R09: 0000000000000000
[   57.175958][ T1942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140e4
[   57.175959][ T1942] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddd7adf10
| [   58.238796][ T2053] softirqs last disabled at (0): 0x0
| [   58.238798][ T2053] Preemption disabled at:
| [   58.238798][ T2053] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.238808][ T2053] Tainted: [W]=WARN
[   58.238809][ T2053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.238810][ T2053] Call Trace:
[   58.238812][ T2053]  <TASK>
[   58.238813][ T2053]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.238819][ T2053]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.238820][ T2053]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.238824][ T2053]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.238827][ T2053]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   58.238830][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238833][ T2053]  __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))
[   58.238835][ T2053]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.238838][ T2053]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.238843][ T2053]  ? 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)
[   58.238845][ T2053]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.238847][ T2053]  put_chars (drivers/char/virtio_console.c:1176)
[   58.238849][ T2053]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.238850][ T2053]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   58.238853][ T2053]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.238857][ T2053]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.238859][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238860][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.238863][ T2053]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.238865][ T2053]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.238867][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238868][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238869][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238870][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.238872][ T2053]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   58.238873][ T2053]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.238876][ T2053]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.238878][ T2053]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.238885][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.238886][ T2053]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.238888][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238889][ T2053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.238890][ T2053]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   58.238892][ T2053]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   58.238893][ T2053]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.238895][ T2053]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.238896][ T2053]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.238898][ T2053]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.238899][ T2053]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.238901][ T2053]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   58.238904][ T2053]  _printk (kernel/printk/printk.c:2504)
[   58.238907][ T2053]  ? snapshot_read.cold (user.c:?)
[   58.238909][ T2053]  ? br_multicast_flood (??:?)
[   58.238912][ T2053]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   58.238915][ T2053]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.238916][ T2053]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.238918][ T2053]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   58.238920][ T2053]  br_init_port (net/bridge/br_stp_if.c:39)
[   58.238922][ T2053]  new_nbp (net/bridge/br_if.c:449)
[   58.238924][ T2053]  br_add_if (net/bridge/br_if.c:592)
[   58.238926][ T2053]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   58.238929][ T2053]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   58.238930][ T2053]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   58.238933][ T2053]  do_set_master (net/core/rtnetlink.c:3071)
[   58.238934][ T2053]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   58.238936][ T2053]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.238938][ T2053]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.238939][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238940][ T2053]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   58.238943][ T2053]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.238945][ T2053]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.238946][ T2053]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.238947][ T2053]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   58.238948][ T2053]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   58.238949][ T2053]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   58.238950][ T2053]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.238951][ T2053]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.238954][ T2053]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.238955][ T2053]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.238956][ T2053]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.238959][ T2053]  ? ____sys_sendmsg (net/socket.c:2713)
[   58.238960][ T2053]  ? ___sys_sendmsg (net/socket.c:2767)
[   58.238962][ T2053]  ? __sys_sendmsg (net/socket.c:2799)
[   58.238964][ T2053]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.238967][ T2053]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.238969][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238970][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.238972][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238973][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238974][ T2053]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.238975][ T2053]  ? __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)
[   58.238977][ T2053]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.238978][ T2053]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.238979][ T2053]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.238980][ T2053]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.238984][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238985][ T2053]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.238987][ T2053]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.238989][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238990][ T2053]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.238991][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.238992][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238994][ T2053]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   58.238995][ T2053]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   58.238996][ T2053]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   58.238997][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.238999][ T2053]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   58.239002][ T2053]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   58.239004][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.239005][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.239007][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.239008][ T2053]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.239009][ T2053]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.239011][ T2053]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.239012][ T2053]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   58.239013][ T2053]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   58.239015][ T2053]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.239017][ T2053]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.239018][ T2053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.239020][ T2053]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.239021][ T2053]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   58.239024][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.239025][ T2053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.239027][ T2053]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.239029][ T2053]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.239031][ T2053]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.239033][ T2053]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.239035][ T2053]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.239036][ T2053]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   58.239038][ T2053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.239039][ T2053]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   58.239042][ T2053]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.239044][ T2053]  ____sys_sendmsg (net/socket.c:2713)
[   58.239045][ T2053]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.239047][ T2053]  ? sock_write_iter (net/socket.c:1269)
[   58.239048][ T2053]  ? move_addr_to_kernel (net/socket.c:258)
[   58.239050][ T2053]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   58.239052][ T2053]  ___sys_sendmsg (net/socket.c:2767)
[   58.239054][ T2053]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.239058][ T2053]  __sys_sendmsg (net/socket.c:2799)
[   58.239060][ T2053]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.239063][ T2053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.239064][ T2053]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.239066][ T2053]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.239068][ T2053]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.239069][ T2053] RIP: 0033:0x7f135e36654e
[   58.239071][ T2053] 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
[   58.239073][ T2053] RSP: 002b:00007ffec4a25d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.239076][ T2053] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f135e36654e
[   58.239077][ T2053] RDX: 0000000000000000 RSI: 00007ffec4a25db0 RDI: 0000000000000005
[   58.239078][ T2053] RBP: 00007ffec4a25d10 R08: 0000000000000000 R09: 0000000000000000
[   58.239079][ T2053] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140e5
[   58.239080][ T2053] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec4a26480
| [   59.647120][ T2176] softirqs last disabled at (0): 0x0
| [   59.647122][ T2176] Preemption disabled at:
| [   59.647122][ T2176] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.647132][ T2176] Tainted: [W]=WARN
[   59.647132][ T2176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.647134][ T2176] Call Trace:
[   59.647136][ T2176]  <TASK>
[   59.647137][ T2176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.647142][ T2176]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.647144][ T2176]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.647147][ T2176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.647150][ T2176]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   59.647154][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647156][ T2176]  __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))
[   59.647159][ T2176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.647162][ T2176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.647167][ T2176]  ? 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)
[   59.647168][ T2176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.647171][ T2176]  put_chars (drivers/char/virtio_console.c:1176)
[   59.647173][ T2176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.647174][ T2176]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.647176][ T2176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.647181][ T2176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.647183][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647184][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647186][ T2176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.647189][ T2176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.647191][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647192][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647193][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647193][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647195][ T2176]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.647197][ T2176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.647199][ T2176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.647202][ T2176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.647204][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647205][ T2176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.647207][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647208][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.647209][ T2176]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   59.647211][ T2176]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   59.647212][ T2176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.647214][ T2176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.647216][ T2176]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.647217][ T2176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.647218][ T2176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.647220][ T2176]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.647223][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647224][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647226][ T2176]  _printk (kernel/printk/printk.c:2504)
[   59.647229][ T2176]  ? snapshot_read.cold (user.c:?)
[   59.647231][ T2176]  ? br_multicast_flood (??:?)
[   59.647234][ T2176]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   59.647237][ T2176]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.647238][ T2176]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.647240][ T2176]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   59.647242][ T2176]  br_init_port (net/bridge/br_stp_if.c:39)
[   59.647244][ T2176]  new_nbp (net/bridge/br_if.c:449)
[   59.647246][ T2176]  br_add_if (net/bridge/br_if.c:592)
[   59.647248][ T2176]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   59.647251][ T2176]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.647252][ T2176]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.647255][ T2176]  do_set_master (net/core/rtnetlink.c:3071)
[   59.647256][ T2176]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   59.647258][ T2176]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.647260][ T2176]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.647261][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647262][ T2176]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.647265][ T2176]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.647267][ T2176]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.647268][ T2176]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.647269][ T2176]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.647270][ T2176]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   59.647271][ T2176]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   59.647272][ T2176]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.647273][ T2176]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.647276][ T2176]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.647277][ T2176]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.647279][ T2176]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   59.647281][ T2176]  ? ____sys_sendmsg (net/socket.c:2713)
[   59.647283][ T2176]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.647284][ T2176]  ? __sys_sendmsg (net/socket.c:2799)
[   59.647286][ T2176]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.647289][ T2176]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.647291][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647292][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647294][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647295][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647296][ T2176]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.647297][ T2176]  ? __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)
[   59.647299][ T2176]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.647300][ T2176]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.647301][ T2176]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.647302][ T2176]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.647306][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647307][ T2176]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.647309][ T2176]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.647311][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647312][ T2176]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.647313][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647314][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647316][ T2176]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   59.647317][ T2176]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.647318][ T2176]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.647319][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647321][ T2176]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   59.647323][ T2176]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   59.647326][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647327][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647328][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647329][ T2176]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.647331][ T2176]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.647332][ T2176]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.647333][ T2176]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.647335][ T2176]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.647337][ T2176]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.647339][ T2176]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.647340][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.647342][ T2176]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.647343][ T2176]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   59.647346][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647347][ T2176]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.647349][ T2176]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.647351][ T2176]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.647353][ T2176]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.647355][ T2176]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.647357][ T2176]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.647358][ T2176]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.647360][ T2176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.647361][ T2176]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   59.647364][ T2176]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   59.647366][ T2176]  ____sys_sendmsg (net/socket.c:2713)
[   59.647368][ T2176]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.647369][ T2176]  ? sock_write_iter (net/socket.c:1269)
[   59.647371][ T2176]  ? move_addr_to_kernel (net/socket.c:258)
[   59.647372][ T2176]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.647375][ T2176]  ___sys_sendmsg (net/socket.c:2767)
[   59.647376][ T2176]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.647381][ T2176]  __sys_sendmsg (net/socket.c:2799)
[   59.647383][ T2176]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.647386][ T2176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.647387][ T2176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.647389][ T2176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.647391][ T2176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.647392][ T2176] RIP: 0033:0x7fe35565c54e
[   59.647394][ T2176] 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
[   59.647396][ T2176] RSP: 002b:00007ffca9c779c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.647399][ T2176] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe35565c54e
[   59.647401][ T2176] RDX: 0000000000000000 RSI: 00007ffca9c77a70 RDI: 0000000000000005
[   59.647401][ T2176] RBP: 00007ffca9c779d0 R08: 0000000000000000 R09: 0000000000000000
[   59.647402][ T2176] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140e7
[   59.647403][ T2176] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca9c78140
| [   61.527519][ T2308] softirqs last disabled at (0): 0x0
| [   61.527520][ T2308] Preemption disabled at:
| [   61.527521][ T2308] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.527531][ T2308] Tainted: [W]=WARN
[   61.527532][ T2308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.527533][ T2308] Call Trace:
[   61.527535][ T2308]  <TASK>
[   61.527536][ T2308]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.527541][ T2308]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.527543][ T2308]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.527547][ T2308]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.527550][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527552][ T2308]  __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))
[   61.527555][ T2308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.527558][ T2308]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.527563][ T2308]  ? 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)
[   61.527565][ T2308]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.527567][ T2308]  put_chars (drivers/char/virtio_console.c:1176)
[   61.527569][ T2308]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.527570][ T2308]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   61.527573][ T2308]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   61.527575][ T2308]  ? pointer (lib/vsprintf.c:2577)
[   61.527578][ T2308]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.527583][ T2308]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.527585][ T2308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.527587][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527589][ T2308]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.527592][ T2308]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.527594][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527595][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527596][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527597][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527599][ T2308]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   61.527601][ T2308]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.527603][ T2308]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.527606][ T2308]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.527608][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527610][ T2308]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.527611][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527612][ T2308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.527614][ T2308]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   61.527616][ T2308]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   61.527617][ T2308]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.527619][ T2308]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.527621][ T2308]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.527622][ T2308]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.527624][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527625][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527627][ T2308]  _printk (kernel/printk/printk.c:2504)
[   61.527630][ T2308]  ? snapshot_read.cold (user.c:?)
[   61.527632][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527633][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527634][ T2308]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.527638][ T2308]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.527639][ T2308]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.527642][ T2308]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.527645][ T2308]  ? netdev_notice (net/core/dev.c:13194)
[   61.527646][ T2308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.527648][ T2308]  ? 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)
[   61.527650][ T2308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.527652][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527653][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527654][ T2308]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.527657][ T2308]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   61.527658][ T2308]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   61.527660][ T2308]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.527661][ T2308]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.527663][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527664][ T2308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.527666][ T2308]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.527669][ T2308]  ? __kernel_text_address (kernel/extable.c:79)
[   61.527675][ T2308]  ? write_profile (profile.c:?)
[   61.527678][ T2308]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.527681][ T2308]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.527683][ T2308]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.527685][ T2308]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.527686][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527687][ T2308]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.527691][ T2308]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.527692][ T2308]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.527693][ T2308]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.527694][ T2308]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.527696][ T2308]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   61.527697][ T2308]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   61.527698][ T2308]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.527699][ T2308]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.527702][ T2308]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.527704][ T2308]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.527705][ T2308]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.527708][ T2308]  ? ____sys_sendmsg (net/socket.c:2713)
[   61.527709][ T2308]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.527710][ T2308]  ? __sys_sendmsg (net/socket.c:2799)
[   61.527712][ T2308]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.527715][ T2308]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.527717][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527718][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527720][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527721][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527722][ T2308]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.527723][ T2308]  ? __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)
[   61.527725][ T2308]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.527726][ T2308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.527728][ T2308]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.527729][ T2308]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.527732][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527733][ T2308]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.527735][ T2308]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.527738][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527739][ T2308]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.527740][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527741][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527743][ T2308]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   61.527745][ T2308]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.527746][ T2308]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.527748][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527749][ T2308]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   61.527752][ T2308]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   61.527755][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527756][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527757][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527758][ T2308]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.527760][ T2308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.527761][ T2308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.527763][ T2308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.527764][ T2308]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.527767][ T2308]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.527769][ T2308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.527770][ T2308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.527771][ T2308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.527773][ T2308]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   61.527776][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527778][ T2308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.527780][ T2308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.527782][ T2308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.527784][ T2308]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.527786][ T2308]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.527788][ T2308]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.527789][ T2308]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.527791][ T2308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.527793][ T2308]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.527796][ T2308]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.527798][ T2308]  ____sys_sendmsg (net/socket.c:2713)
[   61.527799][ T2308]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.527801][ T2308]  ? sock_write_iter (net/socket.c:1269)
[   61.527802][ T2308]  ? move_addr_to_kernel (net/socket.c:258)
[   61.527804][ T2308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.527807][ T2308]  ___sys_sendmsg (net/socket.c:2767)
[   61.527809][ T2308]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.527814][ T2308]  __sys_sendmsg (net/socket.c:2799)
[   61.527816][ T2308]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.527818][ T2308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.527820][ T2308]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.527822][ T2308]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.527824][ T2308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.527825][ T2308] RIP: 0033:0x7f5affda154e
[   61.527827][ T2308] 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
[   61.527829][ T2308] RSP: 002b:00007ffec9260c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.527832][ T2308] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5affda154e
[   61.527834][ T2308] RDX: 0000000000000000 RSI: 00007ffec9260ce0 RDI: 0000000000000005
[   61.527835][ T2308] RBP: 00007ffec9260c40 R08: 0000000000000000 R09: 0000000000000000
[   61.527835][ T2308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140e8
[   61.527836][ T2308] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec92613b0
| [   72.927761][ T2651] softirqs last disabled at (0): 0x0
| [   72.927762][ T2651] Preemption disabled at:
| [   72.927763][ T2651] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.927773][ T2651] Tainted: [W]=WARN
[   72.927774][ T2651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.927776][ T2651] Call Trace:
[   72.927777][ T2651]  <TASK>
[   72.927778][ T2651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.927784][ T2651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.927785][ T2651]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.927789][ T2651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.927792][ T2651]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   72.927796][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927798][ T2651]  __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))
[   72.927801][ T2651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.927804][ T2651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.927809][ T2651]  ? 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)
[   72.927811][ T2651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.927813][ T2651]  put_chars (drivers/char/virtio_console.c:1176)
[   72.927815][ T2651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.927816][ T2651]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.927819][ T2651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.927824][ T2651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.927826][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927827][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927830][ T2651]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.927832][ T2651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.927834][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927835][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927836][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927837][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927839][ T2651]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.927841][ T2651]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.927844][ T2651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.927846][ T2651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.927848][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927850][ T2651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.927852][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927853][ T2651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.927854][ T2651]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   72.927856][ T2651]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   72.927857][ T2651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.927859][ T2651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.927861][ T2651]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.927863][ T2651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.927864][ T2651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.927865][ T2651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.927868][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927870][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927871][ T2651]  _printk (kernel/printk/printk.c:2504)
[   72.927874][ T2651]  ? snapshot_read.cold (user.c:?)
[   72.927876][ T2651]  ? br_multicast_flood (??:?)
[   72.927880][ T2651]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   72.927882][ T2651]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.927884][ T2651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.927886][ T2651]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   72.927888][ T2651]  br_init_port (net/bridge/br_stp_if.c:39)
[   72.927890][ T2651]  new_nbp (net/bridge/br_if.c:449)
[   72.927892][ T2651]  br_add_if (net/bridge/br_if.c:592)
[   72.927894][ T2651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.927897][ T2651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.927898][ T2651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.927901][ T2651]  do_set_master (net/core/rtnetlink.c:3071)
[   72.927903][ T2651]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   72.927905][ T2651]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.927906][ T2651]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.927907][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927908][ T2651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.927912][ T2651]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.927913][ T2651]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.927914][ T2651]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.927916][ T2651]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.927917][ T2651]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   72.927918][ T2651]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   72.927919][ T2651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.927920][ T2651]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.927923][ T2651]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.927924][ T2651]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.927926][ T2651]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.927929][ T2651]  ? ____sys_sendmsg (net/socket.c:2713)
[   72.927930][ T2651]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.927931][ T2651]  ? __sys_sendmsg (net/socket.c:2799)
[   72.927933][ T2651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.927936][ T2651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.927939][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927940][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927941][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927942][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927943][ T2651]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.927945][ T2651]  ? __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)
[   72.927947][ T2651]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.927948][ T2651]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.927949][ T2651]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.927950][ T2651]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.927954][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927955][ T2651]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.927957][ T2651]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.927965][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927966][ T2651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.927968][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927969][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927971][ T2651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.927972][ T2651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.927973][ T2651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.927974][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927976][ T2651]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.927979][ T2651]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   72.927981][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927982][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.927984][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.927985][ T2651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.927986][ T2651]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.927988][ T2651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.927989][ T2651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.927991][ T2651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.927993][ T2651]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.927995][ T2651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.927996][ T2651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.927998][ T2651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.927999][ T2651]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.928002][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.928003][ T2651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.928005][ T2651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.928008][ T2651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.928009][ T2651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.928011][ T2651]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.928013][ T2651]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.928015][ T2651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.928017][ T2651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.928018][ T2651]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.928021][ T2651]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.928023][ T2651]  ____sys_sendmsg (net/socket.c:2713)
[   72.928025][ T2651]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.928027][ T2651]  ? sock_write_iter (net/socket.c:1269)
[   72.928028][ T2651]  ? move_addr_to_kernel (net/socket.c:258)
[   72.928030][ T2651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.928032][ T2651]  ___sys_sendmsg (net/socket.c:2767)
[   72.928034][ T2651]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.928039][ T2651]  __sys_sendmsg (net/socket.c:2799)
[   72.928041][ T2651]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.928044][ T2651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.928045][ T2651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.928047][ T2651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.928049][ T2651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.928050][ T2651] RIP: 0033:0x7f7196e7f54e
[   72.928052][ T2651] 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
[   72.928054][ T2651] RSP: 002b:00007ffdd39255c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.928058][ T2651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7196e7f54e
[   72.928059][ T2651] RDX: 0000000000000000 RSI: 00007ffdd3925670 RDI: 0000000000000005
[   72.928060][ T2651] RBP: 00007ffdd39255d0 R08: 0000000000000000 R09: 0000000000000000
[   72.928061][ T2651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140f4
[   72.928062][ T2651] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd3925d40
| [   74.118501][ T2757] softirqs last disabled at (0): 0x0
| [   74.118503][ T2757] Preemption disabled at:
| [   74.118504][ T2757] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.118514][ T2757] Tainted: [W]=WARN
[   74.118515][ T2757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.118517][ T2757] Call Trace:
[   74.118518][ T2757]  <TASK>
[   74.118519][ T2757]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.118525][ T2757]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.118527][ T2757]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.118530][ T2757]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.118534][ T2757]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   74.118537][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118540][ T2757]  __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))
[   74.118542][ T2757]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.118546][ T2757]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.118551][ T2757]  ? 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)
[   74.118552][ T2757]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.118555][ T2757]  put_chars (drivers/char/virtio_console.c:1176)
[   74.118557][ T2757]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.118558][ T2757]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   74.118561][ T2757]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.118566][ T2757]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.118567][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118569][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118571][ T2757]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.118574][ T2757]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.118576][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118577][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118578][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118579][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118580][ T2757]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.118582][ T2757]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.118585][ T2757]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.118587][ T2757]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.118589][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118591][ T2757]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.118592][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118593][ T2757]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.118595][ T2757]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.118596][ T2757]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   74.118598][ T2757]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.118600][ T2757]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.118601][ T2757]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.118603][ T2757]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.118604][ T2757]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.118606][ T2757]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.118609][ T2757]  _printk (kernel/printk/printk.c:2504)
[   74.118613][ T2757]  ? snapshot_read.cold (user.c:?)
[   74.118615][ T2757]  ? br_multicast_flood (??:?)
[   74.118618][ T2757]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   74.118621][ T2757]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.118622][ T2757]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.118624][ T2757]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   74.118627][ T2757]  br_init_port (net/bridge/br_stp_if.c:39)
[   74.118629][ T2757]  new_nbp (net/bridge/br_if.c:449)
[   74.118631][ T2757]  br_add_if (net/bridge/br_if.c:592)
[   74.118633][ T2757]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   74.118636][ T2757]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.118637][ T2757]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.118640][ T2757]  do_set_master (net/core/rtnetlink.c:3071)
[   74.118642][ T2757]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   74.118644][ T2757]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   74.118645][ T2757]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   74.118646][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118647][ T2757]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.118651][ T2757]  ? kasan_save_stack (mm/kasan/common.c:58)
[   74.118653][ T2757]  ? kasan_save_stack (mm/kasan/common.c:57)
[   74.118654][ T2757]  ? kasan_save_track (mm/kasan/common.c:78)
[   74.118655][ T2757]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   74.118656][ T2757]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   74.118657][ T2757]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   74.118658][ T2757]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.118659][ T2757]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.118662][ T2757]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.118663][ T2757]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.118665][ T2757]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.118668][ T2757]  ? ____sys_sendmsg (net/socket.c:2713)
[   74.118669][ T2757]  ? ___sys_sendmsg (net/socket.c:2767)
[   74.118670][ T2757]  ? __sys_sendmsg (net/socket.c:2799)
[   74.118675][ T2757]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.118679][ T2757]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.118683][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118684][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118686][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118687][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118688][ T2757]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.118690][ T2757]  ? __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)
[   74.118692][ T2757]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.118693][ T2757]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.118695][ T2757]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.118697][ T2757]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.118701][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118702][ T2757]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   74.118705][ T2757]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.118707][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118708][ T2757]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.118709][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118711][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118713][ T2757]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   74.118714][ T2757]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.118715][ T2757]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.118717][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118718][ T2757]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   74.118721][ T2757]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   74.118724][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118725][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118727][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118728][ T2757]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.118730][ T2757]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.118732][ T2757]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.118733][ T2757]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.118735][ T2757]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.118737][ T2757]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.118739][ T2757]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.118741][ T2757]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.118742][ T2757]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.118744][ T2757]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   74.118747][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118749][ T2757]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.118751][ T2757]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.118753][ T2757]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.118755][ T2757]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.118757][ T2757]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.118760][ T2757]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.118761][ T2757]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.118763][ T2757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.118765][ T2757]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.118768][ T2757]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.118770][ T2757]  ____sys_sendmsg (net/socket.c:2713)
[   74.118772][ T2757]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.118774][ T2757]  ? sock_write_iter (net/socket.c:1269)
[   74.118776][ T2757]  ? move_addr_to_kernel (net/socket.c:258)
[   74.118777][ T2757]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.118780][ T2757]  ___sys_sendmsg (net/socket.c:2767)
[   74.118782][ T2757]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.118787][ T2757]  __sys_sendmsg (net/socket.c:2799)
[   74.118789][ T2757]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.118792][ T2757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.118794][ T2757]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.118796][ T2757]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.118798][ T2757]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.118799][ T2757] RIP: 0033:0x7f0daadb954e
[   74.118801][ T2757] 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
[   74.118803][ T2757] RSP: 002b:00007fff0c64ff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.118807][ T2757] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0daadb954e
[   74.118808][ T2757] RDX: 0000000000000000 RSI: 00007fff0c64ffb0 RDI: 0000000000000005
[   74.118809][ T2757] RBP: 00007fff0c64ff10 R08: 0000000000000000 R09: 0000000000000000
[   74.118810][ T2757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140f5
[   74.118810][ T2757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0c650680
| [   75.689513][ T2868] softirqs last disabled at (0): 0x0
| [   75.689515][ T2868] Preemption disabled at:
| [   75.689516][ T2868] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.689526][ T2868] Tainted: [W]=WARN
[   75.689527][ T2868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.689529][ T2868] Call Trace:
[   75.689531][ T2868]  <TASK>
[   75.689532][ T2868]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.689537][ T2868]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.689539][ T2868]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.689543][ T2868]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.689546][ T2868]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   75.689550][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689552][ T2868]  __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))
[   75.689555][ T2868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.689558][ T2868]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.689563][ T2868]  ? 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)
[   75.689565][ T2868]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.689567][ T2868]  put_chars (drivers/char/virtio_console.c:1176)
[   75.689569][ T2868]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.689570][ T2868]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   75.689573][ T2868]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.689578][ T2868]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.689580][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689581][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689583][ T2868]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.689586][ T2868]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.689588][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689589][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689590][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689591][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689593][ T2868]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   75.689595][ T2868]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.689597][ T2868]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.689600][ T2868]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.689602][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689603][ T2868]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.689605][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689606][ T2868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.689608][ T2868]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   75.689609][ T2868]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   75.689610][ T2868]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.689612][ T2868]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.689614][ T2868]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.689615][ T2868]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.689616][ T2868]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.689618][ T2868]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.689621][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689622][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689624][ T2868]  _printk (kernel/printk/printk.c:2504)
[   75.689627][ T2868]  ? snapshot_read.cold (user.c:?)
[   75.689629][ T2868]  ? br_multicast_flood (??:?)
[   75.689632][ T2868]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   75.689635][ T2868]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.689636][ T2868]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.689638][ T2868]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   75.689641][ T2868]  br_init_port (net/bridge/br_stp_if.c:39)
[   75.689643][ T2868]  new_nbp (net/bridge/br_if.c:449)
[   75.689645][ T2868]  br_add_if (net/bridge/br_if.c:592)
[   75.689647][ T2868]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   75.689650][ T2868]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.689651][ T2868]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.689654][ T2868]  do_set_master (net/core/rtnetlink.c:3071)
[   75.689656][ T2868]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   75.689657][ T2868]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.689659][ T2868]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.689660][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689661][ T2868]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.689664][ T2868]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.689666][ T2868]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.689667][ T2868]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.689668][ T2868]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.689670][ T2868]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   75.689671][ T2868]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   75.689675][ T2868]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.689677][ T2868]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.689680][ T2868]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.689682][ T2868]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.689684][ T2868]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.689687][ T2868]  ? ____sys_sendmsg (net/socket.c:2713)
[   75.689689][ T2868]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.689690][ T2868]  ? __sys_sendmsg (net/socket.c:2799)
[   75.689692][ T2868]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.689696][ T2868]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.689698][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689699][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689701][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689702][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689703][ T2868]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.689704][ T2868]  ? __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)
[   75.689706][ T2868]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.689707][ T2868]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.689709][ T2868]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.689710][ T2868]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.689713][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689715][ T2868]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.689717][ T2868]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.689719][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689720][ T2868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.689721][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689723][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689724][ T2868]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   75.689725][ T2868]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.689726][ T2868]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.689728][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689729][ T2868]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   75.689732][ T2868]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   75.689735][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689736][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689737][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689739][ T2868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.689740][ T2868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.689742][ T2868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.689743][ T2868]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.689745][ T2868]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.689747][ T2868]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.689749][ T2868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.689750][ T2868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.689752][ T2868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.689754][ T2868]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   75.689757][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689758][ T2868]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.689760][ T2868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.689763][ T2868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.689765][ T2868]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.689767][ T2868]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.689769][ T2868]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.689770][ T2868]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.689772][ T2868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.689774][ T2868]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.689777][ T2868]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.689779][ T2868]  ____sys_sendmsg (net/socket.c:2713)
[   75.689781][ T2868]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.689782][ T2868]  ? sock_write_iter (net/socket.c:1269)
[   75.689784][ T2868]  ? move_addr_to_kernel (net/socket.c:258)
[   75.689785][ T2868]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.689788][ T2868]  ___sys_sendmsg (net/socket.c:2767)
[   75.689790][ T2868]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.689795][ T2868]  __sys_sendmsg (net/socket.c:2799)
[   75.689797][ T2868]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.689800][ T2868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.689801][ T2868]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.689803][ T2868]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.689805][ T2868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.689806][ T2868] RIP: 0033:0x7f694441254e
[   75.689808][ T2868] 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
[   75.689810][ T2868] RSP: 002b:00007ffefd56c930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.689813][ T2868] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f694441254e
[   75.689815][ T2868] RDX: 0000000000000000 RSI: 00007ffefd56c9e0 RDI: 0000000000000005
[   75.689816][ T2868] RBP: 00007ffefd56c940 R08: 0000000000000000 R09: 0000000000000000
[   75.689816][ T2868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9140f7
[   75.689817][ T2868] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefd56d0b0
| [   76.725395][   T12] softirqs last disabled at (340946): addrconf_dad_begin (net/ipv6/addrconf.c:4137)
| [   76.725398][   T12] Preemption disabled at:
| [   76.725398][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.725409][   T12] Tainted: [W]=WARN
[   76.725410][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.725412][   T12] Workqueue: netns cleanup_net
[   76.725418][   T12] Call Trace:
[   76.725419][   T12]  <TASK>
[   76.725421][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.725426][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.725427][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.725431][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   76.725433][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.725437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725439][   T12]  __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))
[   76.725442][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.725445][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.725450][   T12]  ? 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)
[   76.725451][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.725454][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   76.725456][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.725457][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   76.725460][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.725465][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.725467][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   76.725469][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.725471][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725474][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.725476][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.725479][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725482][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.725484][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   76.725486][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.725488][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.725491][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.725493][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.725495][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.725497][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725498][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.725499][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   76.725501][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   76.725502][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.725504][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.725506][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.725507][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.725508][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   76.725510][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   76.725513][   T12]  ? kthread (kernel/kthread.c:436)
[   76.725515][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   76.725518][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   76.725521][   T12]  _printk (kernel/printk/printk.c:2504)
[   76.725524][   T12]  ? snapshot_read.cold (user.c:?)
[   76.725526][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   76.725530][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   76.725532][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   76.725534][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   76.725537][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725538][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   76.725539][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   76.725542][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   76.725544][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   76.725546][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   76.725548][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   76.725550][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   76.725553][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[   76.725555][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   76.725556][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.725558][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   76.725560][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   76.725562][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   76.725565][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   76.725567][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   76.725570][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   76.725572][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   76.725574][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.725575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.725577][   T12]  process_one_work (kernel/workqueue.c:3387)
[   76.725580][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   76.725583][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.725586][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   76.725589][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   76.725591][   T12]  kthread (kernel/kthread.c:436)
[   76.725593][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.725594][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   76.725596][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   76.725598][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   76.725600][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   76.725603][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   76.725605][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.163599][ T3351] softirqs last disabled at (0): 0x0
| [   89.163601][ T3351] Preemption disabled at:
| [   89.163602][ T3351] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.163611][ T3351] Tainted: [W]=WARN
[   89.163612][ T3351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.163614][ T3351] Call Trace:
[   89.163615][ T3351]  <TASK>
[   89.163617][ T3351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.163622][ T3351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.163623][ T3351]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.163627][ T3351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.163630][ T3351]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   89.163634][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163637][ T3351]  __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))
[   89.163639][ T3351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.163642][ T3351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.163647][ T3351]  ? 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)
[   89.163649][ T3351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.163652][ T3351]  put_chars (drivers/char/virtio_console.c:1176)
[   89.163653][ T3351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.163655][ T3351]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   89.163658][ T3351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.163662][ T3351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.163664][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163665][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163668][ T3351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.163671][ T3351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.163675][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163676][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163677][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163678][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163680][ T3351]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   89.163682][ T3351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.163685][ T3351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.163688][ T3351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.163690][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163691][ T3351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.163693][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163694][ T3351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.163696][ T3351]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.163697][ T3351]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   89.163699][ T3351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.163701][ T3351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.163703][ T3351]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.163704][ T3351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.163705][ T3351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.163707][ T3351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.163710][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163712][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163713][ T3351]  _printk (kernel/printk/printk.c:2504)
[   89.163716][ T3351]  ? snapshot_read.cold (user.c:?)
[   89.163718][ T3351]  ? br_multicast_flood (??:?)
[   89.163722][ T3351]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   89.163725][ T3351]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.163726][ T3351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.163728][ T3351]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   89.163731][ T3351]  br_init_port (net/bridge/br_stp_if.c:39)
[   89.163732][ T3351]  new_nbp (net/bridge/br_if.c:449)
[   89.163735][ T3351]  br_add_if (net/bridge/br_if.c:592)
[   89.163736][ T3351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.163739][ T3351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.163741][ T3351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.163744][ T3351]  do_set_master (net/core/rtnetlink.c:3071)
[   89.163746][ T3351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   89.163747][ T3351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.163749][ T3351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.163750][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163751][ T3351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.163754][ T3351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.163756][ T3351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.163757][ T3351]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.163758][ T3351]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.163760][ T3351]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   89.163761][ T3351]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   89.163762][ T3351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.163763][ T3351]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.163766][ T3351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.163767][ T3351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.163769][ T3351]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.163772][ T3351]  ? ____sys_sendmsg (net/socket.c:2713)
[   89.163773][ T3351]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.163775][ T3351]  ? __sys_sendmsg (net/socket.c:2799)
[   89.163776][ T3351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.163780][ T3351]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.163782][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163783][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163785][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163786][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163787][ T3351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.163789][ T3351]  ? __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)
[   89.163790][ T3351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.163791][ T3351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.163793][ T3351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.163794][ T3351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.163797][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163799][ T3351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.163801][ T3351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.163803][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163804][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.163805][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163807][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163808][ T3351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.163809][ T3351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.163811][ T3351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.163812][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163813][ T3351]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   89.163816][ T3351]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   89.163819][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163820][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163821][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163822][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.163824][ T3351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.163825][ T3351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.163827][ T3351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.163828][ T3351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.163831][ T3351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.163832][ T3351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.163834][ T3351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.163835][ T3351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.163837][ T3351]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   89.163840][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163841][ T3351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.163843][ T3351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.163846][ T3351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.163847][ T3351]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.163849][ T3351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.163852][ T3351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.163853][ T3351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.163855][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.163856][ T3351]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.163860][ T3351]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.163861][ T3351]  ____sys_sendmsg (net/socket.c:2713)
[   89.163863][ T3351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.163865][ T3351]  ? sock_write_iter (net/socket.c:1269)
[   89.163866][ T3351]  ? move_addr_to_kernel (net/socket.c:258)
[   89.163868][ T3351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.163870][ T3351]  ___sys_sendmsg (net/socket.c:2767)
[   89.163872][ T3351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.163877][ T3351]  __sys_sendmsg (net/socket.c:2799)
[   89.163879][ T3351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.163882][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.163884][ T3351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.163886][ T3351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.163888][ T3351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.163889][ T3351] RIP: 0033:0x7fe3fbf5754e
[   89.163891][ T3351] 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
[   89.163893][ T3351] RSP: 002b:00007ffcbf8b9360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.163896][ T3351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe3fbf5754e
[   89.163898][ T3351] RDX: 0000000000000000 RSI: 00007ffcbf8b9410 RDI: 0000000000000005
[   89.163899][ T3351] RBP: 00007ffcbf8b9370 R08: 0000000000000000 R09: 0000000000000000
[   89.163900][ T3351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914104
[   89.163901][ T3351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbf8b9ae0
| [   90.397694][ T3467] softirqs last disabled at (0): 0x0
| [   90.397696][ T3467] Preemption disabled at:
| [   90.397697][ T3467] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.397706][ T3467] Tainted: [W]=WARN
[   90.397707][ T3467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.397709][ T3467] Call Trace:
[   90.397710][ T3467]  <TASK>
[   90.397711][ T3467]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.397717][ T3467]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.397718][ T3467]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.397722][ T3467]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.397725][ T3467]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   90.397728][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397731][ T3467]  __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))
[   90.397733][ T3467]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.397736][ T3467]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.397741][ T3467]  ? 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)
[   90.397743][ T3467]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.397745][ T3467]  put_chars (drivers/char/virtio_console.c:1176)
[   90.397747][ T3467]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.397748][ T3467]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   90.397751][ T3467]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.397756][ T3467]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.397758][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397759][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397761][ T3467]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.397764][ T3467]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.397766][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397767][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397768][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397769][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397771][ T3467]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   90.397773][ T3467]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.397775][ T3467]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.397778][ T3467]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.397780][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397782][ T3467]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.397783][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397784][ T3467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.397786][ T3467]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   90.397787][ T3467]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   90.397789][ T3467]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.397791][ T3467]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.397792][ T3467]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.397794][ T3467]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.397795][ T3467]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.397797][ T3467]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.397800][ T3467]  _printk (kernel/printk/printk.c:2504)
[   90.397803][ T3467]  ? snapshot_read.cold (user.c:?)
[   90.397806][ T3467]  ? br_multicast_flood (??:?)
[   90.397809][ T3467]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   90.397812][ T3467]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   90.397813][ T3467]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.397815][ T3467]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   90.397818][ T3467]  br_init_port (net/bridge/br_stp_if.c:39)
[   90.397820][ T3467]  new_nbp (net/bridge/br_if.c:449)
[   90.397822][ T3467]  br_add_if (net/bridge/br_if.c:592)
[   90.397824][ T3467]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   90.397827][ T3467]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.397828][ T3467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.397831][ T3467]  do_set_master (net/core/rtnetlink.c:3071)
[   90.397833][ T3467]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   90.397835][ T3467]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   90.397837][ T3467]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   90.397838][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397839][ T3467]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.397842][ T3467]  ? kasan_save_stack (mm/kasan/common.c:58)
[   90.397844][ T3467]  ? kasan_save_stack (mm/kasan/common.c:57)
[   90.397845][ T3467]  ? kasan_save_track (mm/kasan/common.c:78)
[   90.397846][ T3467]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.397847][ T3467]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   90.397848][ T3467]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   90.397849][ T3467]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.397851][ T3467]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.397853][ T3467]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.397855][ T3467]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.397856][ T3467]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.397859][ T3467]  ? ____sys_sendmsg (net/socket.c:2713)
[   90.397861][ T3467]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.397862][ T3467]  ? __sys_sendmsg (net/socket.c:2799)
[   90.397864][ T3467]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.397867][ T3467]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.397869][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397871][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397872][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397873][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397874][ T3467]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   90.397876][ T3467]  ? __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)
[   90.397878][ T3467]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   90.397879][ T3467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   90.397880][ T3467]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   90.397881][ T3467]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.397885][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397886][ T3467]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   90.397888][ T3467]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   90.397890][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397891][ T3467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.397893][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397894][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397896][ T3467]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   90.397897][ T3467]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.397898][ T3467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.397900][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397901][ T3467]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   90.397904][ T3467]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   90.397906][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397907][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397909][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397910][ T3467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.397911][ T3467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.397913][ T3467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.397914][ T3467]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.397916][ T3467]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.397918][ T3467]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.397920][ T3467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.397921][ T3467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.397923][ T3467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.397925][ T3467]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   90.397928][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397929][ T3467]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.397931][ T3467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.397933][ T3467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.397935][ T3467]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.397937][ T3467]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.397939][ T3467]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.397941][ T3467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.397942][ T3467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.397944][ T3467]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   90.397947][ T3467]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.397949][ T3467]  ____sys_sendmsg (net/socket.c:2713)
[   90.397950][ T3467]  ? copy_msghdr_from_user (net/socket.c:2650)
[   90.397952][ T3467]  ? sock_write_iter (net/socket.c:1269)
[   90.397953][ T3467]  ? move_addr_to_kernel (net/socket.c:258)
[   90.397955][ T3467]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.397958][ T3467]  ___sys_sendmsg (net/socket.c:2767)
[   90.397959][ T3467]  ? copy_msghdr_from_user (net/socket.c:2619)
[   90.397964][ T3467]  __sys_sendmsg (net/socket.c:2799)
[   90.397966][ T3467]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   90.397969][ T3467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.397971][ T3467]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.397972][ T3467]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.397974][ T3467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.397976][ T3467] RIP: 0033:0x7f88bc15854e
[   90.397978][ T3467] 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
[   90.397980][ T3467] RSP: 002b:00007ffc17485030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.397983][ T3467] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88bc15854e
[   90.397985][ T3467] RDX: 0000000000000000 RSI: 00007ffc174850e0 RDI: 0000000000000005
[   90.397986][ T3467] RBP: 00007ffc17485040 R08: 0000000000000000 R09: 0000000000000000
[   90.397986][ T3467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914105
[   90.397987][ T3467] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc174857b0
| [   91.421623][ T3542] softirqs last disabled at (0): 0x0
| [   91.421624][ T3542] Preemption disabled at:
| [   91.421625][ T3542] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.421635][ T3542] Tainted: [W]=WARN
[   91.421636][ T3542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.421638][ T3542] Call Trace:
[   91.421639][ T3542]  <TASK>
[   91.421640][ T3542]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.421646][ T3542]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.421647][ T3542]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.421651][ T3542]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.421654][ T3542]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   91.421657][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421660][ T3542]  __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))
[   91.421663][ T3542]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.421666][ T3542]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.421671][ T3542]  ? 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)
[   91.421675][ T3542]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.421678][ T3542]  put_chars (drivers/char/virtio_console.c:1176)
[   91.421680][ T3542]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.421682][ T3542]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   91.421684][ T3542]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.421689][ T3542]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.421691][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421692][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421695][ T3542]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.421697][ T3542]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.421699][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421700][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421701][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421702][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421704][ T3542]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   91.421706][ T3542]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.421708][ T3542]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.421711][ T3542]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.421713][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421715][ T3542]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.421717][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421717][ T3542]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.421719][ T3542]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   91.421720][ T3542]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   91.421722][ T3542]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.421724][ T3542]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.421725][ T3542]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.421727][ T3542]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.421728][ T3542]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.421730][ T3542]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.421733][ T3542]  _printk (kernel/printk/printk.c:2504)
[   91.421736][ T3542]  ? snapshot_read.cold (user.c:?)
[   91.421738][ T3542]  ? br_multicast_flood (??:?)
[   91.421741][ T3542]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   91.421744][ T3542]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.421745][ T3542]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.421747][ T3542]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   91.421750][ T3542]  br_init_port (net/bridge/br_stp_if.c:39)
[   91.421752][ T3542]  new_nbp (net/bridge/br_if.c:449)
[   91.421754][ T3542]  br_add_if (net/bridge/br_if.c:592)
[   91.421756][ T3542]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   91.421759][ T3542]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   91.421760][ T3542]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.421763][ T3542]  do_set_master (net/core/rtnetlink.c:3071)
[   91.421765][ T3542]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   91.421767][ T3542]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   91.421768][ T3542]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   91.421770][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421771][ T3542]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.421774][ T3542]  ? kasan_save_stack (mm/kasan/common.c:58)
[   91.421776][ T3542]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.421777][ T3542]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.421778][ T3542]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.421779][ T3542]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   91.421780][ T3542]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   91.421781][ T3542]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.421782][ T3542]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.421785][ T3542]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.421787][ T3542]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.421789][ T3542]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.421791][ T3542]  ? ____sys_sendmsg (net/socket.c:2713)
[   91.421793][ T3542]  ? ___sys_sendmsg (net/socket.c:2767)
[   91.421794][ T3542]  ? __sys_sendmsg (net/socket.c:2799)
[   91.421796][ T3542]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.421799][ T3542]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.421802][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421803][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421804][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421805][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421806][ T3542]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   91.421808][ T3542]  ? __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)
[   91.421809][ T3542]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   91.421811][ T3542]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.421812][ T3542]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   91.421813][ T3542]  ? nla_get_range_signed (lib/nlattr.c:270)
[   91.421816][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421818][ T3542]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   91.421820][ T3542]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.421822][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421823][ T3542]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.421824][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421826][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421827][ T3542]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   91.421828][ T3542]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   91.421829][ T3542]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.421831][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421832][ T3542]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   91.421835][ T3542]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   91.421837][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421838][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421840][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421841][ T3542]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.421842][ T3542]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.421844][ T3542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.421845][ T3542]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.421847][ T3542]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.421849][ T3542]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.421851][ T3542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.421852][ T3542]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.421854][ T3542]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.421855][ T3542]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   91.421858][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421860][ T3542]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.421862][ T3542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.421864][ T3542]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.421866][ T3542]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.421867][ T3542]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.421870][ T3542]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.421871][ T3542]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.421873][ T3542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.421874][ T3542]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   91.421878][ T3542]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.421879][ T3542]  ____sys_sendmsg (net/socket.c:2713)
[   91.421881][ T3542]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.421883][ T3542]  ? sock_write_iter (net/socket.c:1269)
[   91.421884][ T3542]  ? move_addr_to_kernel (net/socket.c:258)
[   91.421886][ T3542]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.421888][ T3542]  ___sys_sendmsg (net/socket.c:2767)
[   91.421890][ T3542]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.421895][ T3542]  __sys_sendmsg (net/socket.c:2799)
[   91.421897][ T3542]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.421900][ T3542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.421901][ T3542]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.421903][ T3542]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.421905][ T3542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.421906][ T3542] RIP: 0033:0x7ff4f105f54e
[   91.421908][ T3542] 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
[   91.421910][ T3542] RSP: 002b:00007ffe5016f3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.421913][ T3542] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4f105f54e
[   91.421915][ T3542] RDX: 0000000000000000 RSI: 00007ffe5016f450 RDI: 0000000000000005
[   91.421916][ T3542] RBP: 00007ffe5016f3b0 R08: 0000000000000000 R09: 0000000000000000
[   91.421917][ T3542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914106
[   91.421917][ T3542] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5016fb20
| [   92.642389][ T3651] softirqs last disabled at (0): 0x0
| [   92.642390][ T3651] Preemption disabled at:
| [   92.642391][ T3651] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.642401][ T3651] Tainted: [W]=WARN
[   92.642402][ T3651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.642404][ T3651] Call Trace:
[   92.642405][ T3651]  <TASK>
[   92.642406][ T3651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.642412][ T3651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.642413][ T3651]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.642417][ T3651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.642420][ T3651]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   92.642423][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642426][ T3651]  __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))
[   92.642428][ T3651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   92.642431][ T3651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.642436][ T3651]  ? 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)
[   92.642438][ T3651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.642441][ T3651]  put_chars (drivers/char/virtio_console.c:1176)
[   92.642442][ T3651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.642444][ T3651]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   92.642446][ T3651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.642451][ T3651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.642453][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642454][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642457][ T3651]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.642460][ T3651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.642463][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642465][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642466][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642468][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642471][ T3651]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   92.642473][ T3651]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.642477][ T3651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.642481][ T3651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.642483][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642486][ T3651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.642488][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642490][ T3651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   92.642491][ T3651]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   92.642493][ T3651]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   92.642494][ T3651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.642496][ T3651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.642498][ T3651]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.642499][ T3651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.642501][ T3651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   92.642502][ T3651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   92.642506][ T3651]  _printk (kernel/printk/printk.c:2504)
[   92.642509][ T3651]  ? snapshot_read.cold (user.c:?)
[   92.642511][ T3651]  ? br_multicast_flood (??:?)
[   92.642515][ T3651]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   92.642517][ T3651]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   92.642518][ T3651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.642520][ T3651]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   92.642523][ T3651]  br_init_port (net/bridge/br_stp_if.c:39)
[   92.642525][ T3651]  new_nbp (net/bridge/br_if.c:449)
[   92.642527][ T3651]  br_add_if (net/bridge/br_if.c:592)
[   92.642529][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   92.642532][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   92.642533][ T3651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   92.642536][ T3651]  do_set_master (net/core/rtnetlink.c:3071)
[   92.642538][ T3651]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   92.642540][ T3651]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   92.642541][ T3651]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   92.642542][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642543][ T3651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   92.642547][ T3651]  ? kasan_save_stack (mm/kasan/common.c:58)
[   92.642549][ T3651]  ? kasan_save_stack (mm/kasan/common.c:57)
[   92.642550][ T3651]  ? kasan_save_track (mm/kasan/common.c:78)
[   92.642551][ T3651]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   92.642552][ T3651]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   92.642553][ T3651]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   92.642554][ T3651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.642555][ T3651]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.642558][ T3651]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.642559][ T3651]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.642561][ T3651]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.642564][ T3651]  ? ____sys_sendmsg (net/socket.c:2713)
[   92.642565][ T3651]  ? ___sys_sendmsg (net/socket.c:2767)
[   92.642567][ T3651]  ? __sys_sendmsg (net/socket.c:2799)
[   92.642568][ T3651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.642571][ T3651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.642574][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642575][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642577][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642578][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642579][ T3651]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   92.642580][ T3651]  ? __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)
[   92.642582][ T3651]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   92.642583][ T3651]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.642584][ T3651]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   92.642585][ T3651]  ? nla_get_range_signed (lib/nlattr.c:270)
[   92.642588][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642590][ T3651]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   92.642592][ T3651]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   92.642594][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642595][ T3651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.642596][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642597][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642599][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   92.642600][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   92.642601][ T3651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   92.642603][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642604][ T3651]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   92.642607][ T3651]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   92.642609][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642610][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642611][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642613][ T3651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.642614][ T3651]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.642616][ T3651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.642617][ T3651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   92.642618][ T3651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   92.642621][ T3651]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.642622][ T3651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.642624][ T3651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   92.642625][ T3651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.642627][ T3651]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   92.642630][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642631][ T3651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   92.642633][ T3651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.642635][ T3651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.642637][ T3651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.642639][ T3651]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.642641][ T3651]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.642642][ T3651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   92.642644][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.642645][ T3651]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   92.642649][ T3651]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.642651][ T3651]  ____sys_sendmsg (net/socket.c:2713)
[   92.642652][ T3651]  ? copy_msghdr_from_user (net/socket.c:2650)
[   92.642654][ T3651]  ? sock_write_iter (net/socket.c:1269)
[   92.642655][ T3651]  ? move_addr_to_kernel (net/socket.c:258)
[   92.642657][ T3651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   92.642659][ T3651]  ___sys_sendmsg (net/socket.c:2767)
[   92.642661][ T3651]  ? copy_msghdr_from_user (net/socket.c:2619)
[   92.642666][ T3651]  __sys_sendmsg (net/socket.c:2799)
[   92.642668][ T3651]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   92.642673][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.642675][ T3651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.642677][ T3651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.642679][ T3651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.642680][ T3651] RIP: 0033:0x7ff3c17be54e
[   92.642682][ T3651] 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
[   92.642684][ T3651] RSP: 002b:00007ffcce52d5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.642687][ T3651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3c17be54e
[   92.642689][ T3651] RDX: 0000000000000000 RSI: 00007ffcce52d6a0 RDI: 0000000000000005
[   92.642690][ T3651] RBP: 00007ffcce52d600 R08: 0000000000000000 R09: 0000000000000000
[   92.642690][ T3651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914107
[   92.642691][ T3651] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcce52dd70
| [   94.169333][ T3772] softirqs last disabled at (0): 0x0
| [   94.169335][ T3772] Preemption disabled at:
| [   94.169336][ T3772] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.169346][ T3772] Tainted: [W]=WARN
[   94.169347][ T3772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.169348][ T3772] Call Trace:
[   94.169350][ T3772]  <TASK>
[   94.169351][ T3772]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.169357][ T3772]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.169359][ T3772]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.169363][ T3772]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.169366][ T3772]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   94.169369][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169372][ T3772]  __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))
[   94.169374][ T3772]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.169377][ T3772]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.169383][ T3772]  ? 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)
[   94.169385][ T3772]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.169387][ T3772]  put_chars (drivers/char/virtio_console.c:1176)
[   94.169389][ T3772]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.169391][ T3772]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   94.169394][ T3772]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.169398][ T3772]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.169400][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169402][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169404][ T3772]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.169407][ T3772]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.169409][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169410][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169411][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169412][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169414][ T3772]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   94.169416][ T3772]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.169418][ T3772]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.169421][ T3772]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.169423][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169425][ T3772]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.169426][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169427][ T3772]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.169429][ T3772]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   94.169431][ T3772]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   94.169432][ T3772]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.169434][ T3772]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.169436][ T3772]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.169437][ T3772]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.169438][ T3772]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.169440][ T3772]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.169443][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169445][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169446][ T3772]  _printk (kernel/printk/printk.c:2504)
[   94.169449][ T3772]  ? snapshot_read.cold (user.c:?)
[   94.169451][ T3772]  ? br_multicast_flood (??:?)
[   94.169455][ T3772]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   94.169458][ T3772]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.169459][ T3772]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.169461][ T3772]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   94.169464][ T3772]  br_init_port (net/bridge/br_stp_if.c:39)
[   94.169465][ T3772]  new_nbp (net/bridge/br_if.c:449)
[   94.169468][ T3772]  br_add_if (net/bridge/br_if.c:592)
[   94.169470][ T3772]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   94.169472][ T3772]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.169474][ T3772]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.169477][ T3772]  do_set_master (net/core/rtnetlink.c:3071)
[   94.169478][ T3772]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   94.169480][ T3772]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   94.169482][ T3772]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   94.169483][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169484][ T3772]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.169487][ T3772]  ? kasan_save_stack (mm/kasan/common.c:58)
[   94.169489][ T3772]  ? kasan_save_stack (mm/kasan/common.c:57)
[   94.169490][ T3772]  ? kasan_save_track (mm/kasan/common.c:78)
[   94.169491][ T3772]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.169493][ T3772]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   94.169494][ T3772]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   94.169495][ T3772]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.169496][ T3772]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.169499][ T3772]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.169501][ T3772]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.169502][ T3772]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.169506][ T3772]  ? ____sys_sendmsg (net/socket.c:2713)
[   94.169507][ T3772]  ? ___sys_sendmsg (net/socket.c:2767)
[   94.169508][ T3772]  ? __sys_sendmsg (net/socket.c:2799)
[   94.169510][ T3772]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.169514][ T3772]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.169516][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169517][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169519][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169520][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169521][ T3772]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   94.169523][ T3772]  ? __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)
[   94.169524][ T3772]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   94.169526][ T3772]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.169527][ T3772]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   94.169528][ T3772]  ? nla_get_range_signed (lib/nlattr.c:270)
[   94.169532][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169533][ T3772]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   94.169535][ T3772]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.169537][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169539][ T3772]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.169540][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169541][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169543][ T3772]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   94.169544][ T3772]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.169545][ T3772]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.169547][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169548][ T3772]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   94.169551][ T3772]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   94.169553][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169554][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169556][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169557][ T3772]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.169559][ T3772]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.169560][ T3772]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.169562][ T3772]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.169563][ T3772]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.169566][ T3772]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.169567][ T3772]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.169569][ T3772]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.169570][ T3772]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.169572][ T3772]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   94.169575][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169576][ T3772]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.169578][ T3772]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.169581][ T3772]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.169583][ T3772]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.169584][ T3772]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.169587][ T3772]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.169588][ T3772]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.169590][ T3772]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.169592][ T3772]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   94.169595][ T3772]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.169597][ T3772]  ____sys_sendmsg (net/socket.c:2713)
[   94.169599][ T3772]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.169600][ T3772]  ? sock_write_iter (net/socket.c:1269)
[   94.169602][ T3772]  ? move_addr_to_kernel (net/socket.c:258)
[   94.169603][ T3772]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.169606][ T3772]  ___sys_sendmsg (net/socket.c:2767)
[   94.169608][ T3772]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.169613][ T3772]  __sys_sendmsg (net/socket.c:2799)
[   94.169615][ T3772]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.169618][ T3772]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.169619][ T3772]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.169621][ T3772]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.169623][ T3772]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.169625][ T3772] RIP: 0033:0x7fd45043954e
[   94.169626][ T3772] 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
[   94.169628][ T3772] RSP: 002b:00007ffd244ec120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.169632][ T3772] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd45043954e
[   94.169633][ T3772] RDX: 0000000000000000 RSI: 00007ffd244ec1d0 RDI: 0000000000000005
[   94.169634][ T3772] RBP: 00007ffd244ec130 R08: 0000000000000000 R09: 0000000000000000
[   94.169635][ T3772] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914109
[   94.169636][ T3772] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd244ec8a0
| [   95.652642][   T12] softirqs last disabled at (340946): addrconf_dad_begin (net/ipv6/addrconf.c:4137)
| [   95.652644][   T12] Preemption disabled at:
| [   95.652645][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.652656][   T12] Tainted: [W]=WARN
[   95.652657][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.652659][   T12] Workqueue: netns cleanup_net
[   95.652665][   T12] Call Trace:
[   95.652666][   T12]  <TASK>
[   95.652668][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.652677][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.652679][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.652682][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   95.652684][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.652688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652690][   T12]  __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))
[   95.652693][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.652696][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.652701][   T12]  ? 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)
[   95.652703][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.652705][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   95.652707][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.652708][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   95.652711][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.652716][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.652717][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   95.652720][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.652721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652724][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.652727][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.652729][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652732][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.652734][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   95.652736][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.652738][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.652741][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.652743][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.652745][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.652746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652747][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.652749][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   95.652750][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   95.652752][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.652754][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.652755][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.652757][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.652758][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   95.652760][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   95.652762][   T12]  ? kthread (kernel/kthread.c:436)
[   95.652764][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   95.652767][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   95.652770][   T12]  _printk (kernel/printk/printk.c:2504)
[   95.652773][   T12]  ? snapshot_read.cold (user.c:?)
[   95.652775][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.652778][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.652781][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.652783][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   95.652785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652786][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   95.652787][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   95.652790][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   95.652792][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   95.652793][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   95.652795][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   95.652798][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   95.652802][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   95.652804][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   95.652806][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   95.652808][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   95.652810][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   95.652813][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   95.652815][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.652817][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.652819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.652820][   T12]  process_one_work (kernel/workqueue.c:3387)
[   95.652823][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   95.652826][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.652828][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   95.652831][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   95.652833][   T12]  kthread (kernel/kthread.c:436)
[   95.652835][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.652836][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   95.652838][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.652840][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   95.652842][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.652845][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
addrconf_dad_begin:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning