======================================
| [    9.274032][  T212] softirqs last disabled at (34545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.274034][  T212] Preemption disabled at:
| [    9.274035][  T212] 0x0
| [    9.274045][  T212] Tainted: [W]=WARN
[    9.274046][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.274048][  T212] Call Trace:
[    9.274050][  T212]  <TASK>
[    9.274051][  T212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.274057][  T212]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.274062][  T212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.274066][  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)
[    9.274070][  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))
[    9.274072][  T212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.274078][  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)
[    9.274081][  T212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.274085][  T212]  put_chars (drivers/char/virtio_console.c:1176)
[    9.274087][  T212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.274088][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.274092][  T212]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.274097][  T212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.274104][  T212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.274107][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.274109][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.274113][  T212]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.274117][  T212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.274119][  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))
[    9.274122][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.274123][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.274131][  T212]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.274135][  T212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.274137][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.274142][  T212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.274145][  T212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.274147][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.274148][  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)
[    9.274152][  T212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.274153][  T212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.274156][  T212]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.274159][  T212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.274162][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.274165][  T212]  _printk (kernel/printk/printk.c:2504)
[    9.274169][  T212]  ? snapshot_read.cold (user.c:?)
[    9.274172][  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)
[    9.274174][  T212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.274178][  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)
[    9.274180][  T212]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.274184][  T212]  ? exit_notify (kernel/exit.c:780)
[    9.274186][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.274188][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.274192][  T212]  do_group_exit (kernel/exit.c:1151)
[    9.274194][  T212]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.274196][  T212]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.274199][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.274203][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.274206][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.274208][  T212] RIP: 0033:0x7fa43ad5a1b8
[    9.274210][  T212] Code: Unable to access opcode bytes at 0x7fa43ad5a18e.

Code starting with the faulting instruction
===========================================
[    9.274211][  T212] RSP: 002b:00007ffff84a0da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.274214][  T212] RAX: ffffffffffffffda RBX: 00007fa43ae8af88 RCX: 00007fa43ad5a1b8
[    9.274215][  T212] RDX: 00007fa43aaa4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.274216][  T212] RBP: 00007ffff84a0e00 R08: 0000000000000000 R09: 0000000000008010
[    9.274217][  T212] R10: 00007ffff84a0bc0 R11: 0000000000000246 R12: 0000000000000001
[    9.274217][  T212] R13: 0000000000000000 R14: 00007fa43ae89680 R15: 00007fa43ae8afa0
| [   10.659525][  T277] softirqs last disabled at (16764): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.659527][  T277] Preemption disabled at:
| [   10.659528][  T277] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.659536][  T277] Tainted: [W]=WARN
[   10.659537][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.659539][  T277] Call Trace:
[   10.659540][  T277]  <TASK>
[   10.659542][  T277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.659550][  T277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.659552][  T277]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.659556][  T277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.659560][  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)
[   10.659565][  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))
[   10.659567][  T277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.659573][  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)
[   10.659576][  T277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.659580][  T277]  put_chars (drivers/char/virtio_console.c:1176)
[   10.659582][  T277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.659589][  T277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.659596][  T277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.659599][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.659604][  T277]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.659607][  T277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.659609][  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))
[   10.659612][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659615][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.659619][  T277]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.659623][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.659625][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.659630][  T277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.659633][  T277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.659635][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659636][  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)
[   10.659640][  T277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.659642][  T277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.659644][  T277]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.659647][  T277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.659650][  T277]  ? save_trace (kernel/locking/lockdep.c:589)
[   10.659654][  T277]  _printk (kernel/printk/printk.c:2504)
[   10.659657][  T277]  ? snapshot_read.cold (user.c:?)
[   10.659661][  T277]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.659663][  T277]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.659667][  T277]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.659669][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.659672][  T277]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.659674][  T277]  ? netdev_notice (net/core/dev.c:13194)
[   10.659677][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.659680][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.659682][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.659686][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.659688][  T277]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.659690][  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))
[   10.659695][  T277]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.659698][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   10.659700][  T277]  ? write_profile (profile.c:?)
[   10.659704][  T277]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.659710][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.659713][  T277]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.659715][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.659717][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.659719][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.659723][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.659725][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.659726][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.659729][  T277]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.659731][  T277]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.659732][  T277]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.659733][  T277]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.659735][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.659737][  T277]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.659740][  T277]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.659744][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.659746][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.659748][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659750][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.659752][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659753][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659754][  T277]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.659757][  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)
[   10.659759][  T277]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.659761][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.659765][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.659766][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.659771][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659773][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.659778][  T277]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.659784][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.659785][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.659790][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.659792][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.659794][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.659795][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.659799][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.659801][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.659804][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.659806][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.659810][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.659812][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.659815][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.659818][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.659821][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.659828][  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))
[   10.659830][  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))
[   10.659834][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.659838][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.659840][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.659845][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.659849][  T277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.659852][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.659854][  T277]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.659859][  T277]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.659862][  T277]  ____sys_sendmsg (net/socket.c:2713)
[   10.659864][  T277]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.659866][  T277]  ? sock_write_iter (net/socket.c:1269)
[   10.659868][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   10.659875][  T277]  ___sys_sendmsg (net/socket.c:2767)
[   10.659878][  T277]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.659894][  T277]  __sys_sendmsg (net/socket.c:2799)
[   10.659897][  T277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.659903][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.659906][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.659909][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.659912][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.659914][  T277] RIP: 0033:0x7f982444854e
[   10.659918][  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
[   10.659920][  T277] RSP: 002b:00007ffc311d2620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.659922][  T277] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f982444854e
[   10.659923][  T277] RDX: 0000000000000000 RSI: 00007ffc311d26d0 RDI: 0000000000000005
[   10.659924][  T277] RBP: 00007ffc311d2630 R08: 0000000000000000 R09: 0000000000000000
[   10.659925][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916dfa
[   10.659926][  T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc311d2da0
| [   22.039503][  T563] softirqs last disabled at (30352): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.039506][  T563] Preemption disabled at:
| [   22.039506][  T563] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.039514][  T563] Tainted: [W]=WARN
[   22.039515][  T563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.039517][  T563] Call Trace:
[   22.039519][  T563]  <TASK>
[   22.039520][  T563]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.039526][  T563]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.039528][  T563]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.039532][  T563]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.039537][  T563]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.039541][  T563]  __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))
[   22.039543][  T563]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.039551][  T563]  ? 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)
[   22.039554][  T563]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.039557][  T563]  put_chars (drivers/char/virtio_console.c:1176)
[   22.039560][  T563]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.039561][  T563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.039564][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.039570][  T563]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.039577][  T563]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.039580][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039582][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.039586][  T563]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.039590][  T563]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.039592][  T563]  ? 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))
[   22.039595][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039597][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.039600][  T563]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.039604][  T563]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.039606][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.039611][  T563]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.039614][  T563]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.039616][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039618][  T563]  ? 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)
[   22.039621][  T563]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.039623][  T563]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.039626][  T563]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.039629][  T563]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.039631][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.039632][  T563]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   22.039636][  T563]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.039640][  T563]  _printk (kernel/printk/printk.c:2504)
[   22.039643][  T563]  ? snapshot_read.cold (user.c:?)
[   22.039647][  T563]  ? br_multicast_flood (??:?)
[   22.039650][  T563]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.039651][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.039653][  T563]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.039657][  T563]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   22.039661][  T563]  br_init_port (net/bridge/br_stp_if.c:39)
[   22.039663][  T563]  new_nbp (net/bridge/br_if.c:449)
[   22.039667][  T563]  br_add_if (net/bridge/br_if.c:592)
[   22.039670][  T563]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.039673][  T563]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.039678][  T563]  do_set_master (net/core/rtnetlink.c:3071)
[   22.039682][  T563]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.039685][  T563]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.039688][  T563]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.039689][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.039692][  T563]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.039695][  T563]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.039697][  T563]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.039699][  T563]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.039701][  T563]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.039704][  T563]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.039705][  T563]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.039706][  T563]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.039708][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.039710][  T563]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.039713][  T563]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.039717][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.039719][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.039721][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039723][  T563]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.039725][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039726][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039727][  T563]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.039730][  T563]  ? __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)
[   22.039731][  T563]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.039733][  T563]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.039736][  T563]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.039737][  T563]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.039742][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039744][  T563]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.039749][  T563]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.039754][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.039756][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.039760][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.039762][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.039764][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.039766][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.039770][  T563]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.039772][  T563]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.039775][  T563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.039776][  T563]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.039781][  T563]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.039783][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.039786][  T563]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.039789][  T563]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.039792][  T563]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.039798][  T563]  ? 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))
[   22.039800][  T563]  ? 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))
[   22.039805][  T563]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.039808][  T563]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.039811][  T563]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.039815][  T563]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.039819][  T563]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.039823][  T563]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.039825][  T563]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.039830][  T563]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.039833][  T563]  ____sys_sendmsg (net/socket.c:2713)
[   22.039835][  T563]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.039837][  T563]  ? sock_write_iter (net/socket.c:1269)
[   22.039839][  T563]  ? move_addr_to_kernel (net/socket.c:258)
[   22.039846][  T563]  ___sys_sendmsg (net/socket.c:2767)
[   22.039849][  T563]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.039864][  T563]  __sys_sendmsg (net/socket.c:2799)
[   22.039867][  T563]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.039873][  T563]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.039876][  T563]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.039878][  T563]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.039881][  T563]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.039883][  T563] RIP: 0033:0x7f6d6566e54e
[   22.039887][  T563] 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
[   22.039889][  T563] RSP: 002b:00007ffe15c73590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.039891][  T563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6d6566e54e
[   22.039893][  T563] RDX: 0000000000000000 RSI: 00007ffe15c73640 RDI: 0000000000000005
[   22.039894][  T563] RBP: 00007ffe15c735a0 R08: 0000000000000000 R09: 0000000000000000
[   22.039894][  T563] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e05
[   22.039895][  T563] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe15c73d10
| [   23.391695][  T649] softirqs last disabled at (27069): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.391698][  T649] Preemption disabled at:
| [   23.391698][  T649] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.391706][  T649] Tainted: [W]=WARN
[   23.391707][  T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.391709][  T649] Call Trace:
[   23.391711][  T649]  <TASK>
[   23.391712][  T649]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.391718][  T649]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.391719][  T649]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.391724][  T649]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.391728][  T649]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.391732][  T649]  __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))
[   23.391734][  T649]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.391741][  T649]  ? 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)
[   23.391744][  T649]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.391747][  T649]  put_chars (drivers/char/virtio_console.c:1176)
[   23.391750][  T649]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.391751][  T649]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.391754][  T649]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.391760][  T649]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.391767][  T649]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.391770][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391772][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.391776][  T649]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.391780][  T649]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.391782][  T649]  ? 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))
[   23.391785][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391787][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.391791][  T649]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.391795][  T649]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.391797][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.391802][  T649]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.391805][  T649]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.391807][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391809][  T649]  ? 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)
[   23.391812][  T649]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.391814][  T649]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.391817][  T649]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.391820][  T649]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.391822][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.391825][  T649]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.391828][  T649]  _printk (kernel/printk/printk.c:2504)
[   23.391832][  T649]  ? snapshot_read.cold (user.c:?)
[   23.391835][  T649]  ? br_multicast_flood (??:?)
[   23.391838][  T649]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.391840][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.391841][  T649]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.391845][  T649]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.391849][  T649]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.391852][  T649]  new_nbp (net/bridge/br_if.c:449)
[   23.391855][  T649]  br_add_if (net/bridge/br_if.c:592)
[   23.391858][  T649]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.391862][  T649]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.391867][  T649]  do_set_master (net/core/rtnetlink.c:3071)
[   23.391870][  T649]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.391873][  T649]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.391877][  T649]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.391878][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.391881][  T649]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.391884][  T649]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.391886][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.391888][  T649]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.391890][  T649]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.391892][  T649]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.391893][  T649]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.391895][  T649]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.391897][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.391899][  T649]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.391902][  T649]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.391906][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.391908][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.391910][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391912][  T649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.391913][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391914][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391916][  T649]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.391918][  T649]  ? __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)
[   23.391921][  T649]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.391923][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.391926][  T649]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.391927][  T649]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.391932][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.391934][  T649]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.391939][  T649]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.391945][  T649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.391947][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.391951][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.391953][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.391955][  T649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.391957][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.391961][  T649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.391963][  T649]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.391966][  T649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.391967][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.391971][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.391973][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.391977][  T649]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.391980][  T649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.391983][  T649]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.391989][  T649]  ? 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))
[   23.391991][  T649]  ? 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))
[   23.391995][  T649]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.391999][  T649]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.392002][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.392006][  T649]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.392010][  T649]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.392014][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.392015][  T649]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.392021][  T649]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.392023][  T649]  ____sys_sendmsg (net/socket.c:2713)
[   23.392026][  T649]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.392028][  T649]  ? sock_write_iter (net/socket.c:1269)
[   23.392029][  T649]  ? move_addr_to_kernel (net/socket.c:258)
[   23.392037][  T649]  ___sys_sendmsg (net/socket.c:2767)
[   23.392039][  T649]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.392055][  T649]  __sys_sendmsg (net/socket.c:2799)
[   23.392058][  T649]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.392064][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.392067][  T649]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.392070][  T649]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.392073][  T649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.392075][  T649] RIP: 0033:0x7f46d079a54e
[   23.392079][  T649] 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
[   23.392081][  T649] RSP: 002b:00007ffe23bdedd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.392083][  T649] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f46d079a54e
[   23.392085][  T649] RDX: 0000000000000000 RSI: 00007ffe23bdee80 RDI: 0000000000000005
[   23.392086][  T649] RBP: 00007ffe23bdede0 R08: 0000000000000000 R09: 0000000000000000
[   23.392087][  T649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e06
[   23.392087][  T649] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe23bdf550
| [   24.652738][  T724] softirqs last disabled at (15162): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   24.652740][  T724] Preemption disabled at:
| [   24.652741][  T724] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.652749][  T724] Tainted: [W]=WARN
[   24.652750][  T724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.652752][  T724] Call Trace:
[   24.652754][  T724]  <TASK>
[   24.652755][  T724]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.652761][  T724]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.652763][  T724]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.652767][  T724]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.652771][  T724]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.652775][  T724]  __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))
[   24.652777][  T724]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.652784][  T724]  ? 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)
[   24.652787][  T724]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.652790][  T724]  put_chars (drivers/char/virtio_console.c:1176)
[   24.652793][  T724]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.652794][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.652797][  T724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.652803][  T724]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.652810][  T724]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.652813][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652815][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.652819][  T724]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.652823][  T724]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.652824][  T724]  ? 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))
[   24.652828][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652829][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.652833][  T724]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.652837][  T724]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.652839][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.652845][  T724]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.652848][  T724]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.652849][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652851][  T724]  ? 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)
[   24.652855][  T724]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.652856][  T724]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.652859][  T724]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.652862][  T724]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.652864][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.652867][  T724]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.652870][  T724]  _printk (kernel/printk/printk.c:2504)
[   24.652874][  T724]  ? snapshot_read.cold (user.c:?)
[   24.652877][  T724]  ? br_multicast_flood (??:?)
[   24.652881][  T724]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.652882][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.652883][  T724]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.652888][  T724]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.652892][  T724]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.652894][  T724]  new_nbp (net/bridge/br_if.c:449)
[   24.652898][  T724]  br_add_if (net/bridge/br_if.c:592)
[   24.652900][  T724]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.652904][  T724]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.652909][  T724]  do_set_master (net/core/rtnetlink.c:3071)
[   24.652913][  T724]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.652916][  T724]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.652919][  T724]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.652920][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.652923][  T724]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.652927][  T724]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.652929][  T724]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.652930][  T724]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.652933][  T724]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.652935][  T724]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.652936][  T724]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.652938][  T724]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.652940][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.652942][  T724]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.652945][  T724]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.652948][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.652950][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.652953][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652955][  T724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.652956][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652958][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652959][  T724]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.652962][  T724]  ? __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)
[   24.652964][  T724]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.652966][  T724]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.652969][  T724]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.652971][  T724]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.652975][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.652977][  T724]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.652983][  T724]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.652988][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.652990][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.652994][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.652996][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.652998][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.653000][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.653004][  T724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.653006][  T724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.653009][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.653010][  T724]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.653015][  T724]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.653016][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.653020][  T724]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.653023][  T724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.653026][  T724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.653032][  T724]  ? 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))
[   24.653034][  T724]  ? 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))
[   24.653039][  T724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.653043][  T724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.653045][  T724]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.653051][  T724]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.653055][  T724]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.653059][  T724]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.653061][  T724]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.653066][  T724]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.653069][  T724]  ____sys_sendmsg (net/socket.c:2713)
[   24.653071][  T724]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.653073][  T724]  ? sock_write_iter (net/socket.c:1269)
[   24.653075][  T724]  ? move_addr_to_kernel (net/socket.c:258)
[   24.653082][  T724]  ___sys_sendmsg (net/socket.c:2767)
[   24.653085][  T724]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.653101][  T724]  __sys_sendmsg (net/socket.c:2799)
[   24.653104][  T724]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.653110][  T724]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   24.653113][  T724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.653116][  T724]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.653119][  T724]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.653122][  T724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.653124][  T724] RIP: 0033:0x7fe156aea54e
[   24.653127][  T724] 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
[   24.653129][  T724] RSP: 002b:00007ffeaf24a220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.653131][  T724] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe156aea54e
[   24.653133][  T724] RDX: 0000000000000000 RSI: 00007ffeaf24a2d0 RDI: 0000000000000005
[   24.653134][  T724] RBP: 00007ffeaf24a230 R08: 0000000000000000 R09: 0000000000000000
[   24.653134][  T724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e08
[   24.653135][  T724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaf24a9a0
| [   25.945766][  T795] softirqs last disabled at (19968): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   25.945768][  T795] Preemption disabled at:
| [   25.945769][  T795] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.945777][  T795] Tainted: [W]=WARN
[   25.945778][  T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.945780][  T795] Call Trace:
[   25.945782][  T795]  <TASK>
[   25.945783][  T795]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.945789][  T795]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.945791][  T795]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.945795][  T795]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.945799][  T795]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.945803][  T795]  __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))
[   25.945805][  T795]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.945812][  T795]  ? 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)
[   25.945814][  T795]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.945818][  T795]  put_chars (drivers/char/virtio_console.c:1176)
[   25.945820][  T795]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.945822][  T795]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.945825][  T795]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.945830][  T795]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.945838][  T795]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.945840][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945842][  T795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.945846][  T795]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.945850][  T795]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.945852][  T795]  ? 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))
[   25.945855][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945857][  T795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.945861][  T795]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.945865][  T795]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.945867][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.945872][  T795]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.945875][  T795]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.945877][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945879][  T795]  ? 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)
[   25.945882][  T795]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.945884][  T795]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.945887][  T795]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.945890][  T795]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.945892][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.945894][  T795]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.945898][  T795]  _printk (kernel/printk/printk.c:2504)
[   25.945902][  T795]  ? snapshot_read.cold (user.c:?)
[   25.945905][  T795]  ? br_multicast_flood (??:?)
[   25.945909][  T795]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.945910][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.945911][  T795]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.945915][  T795]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   25.945920][  T795]  br_init_port (net/bridge/br_stp_if.c:39)
[   25.945922][  T795]  new_nbp (net/bridge/br_if.c:449)
[   25.945926][  T795]  br_add_if (net/bridge/br_if.c:592)
[   25.945928][  T795]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   25.945932][  T795]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.945937][  T795]  do_set_master (net/core/rtnetlink.c:3071)
[   25.945941][  T795]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.945944][  T795]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.945947][  T795]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.945948][  T795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.945951][  T795]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.945954][  T795]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.945956][  T795]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.945958][  T795]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.945960][  T795]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.945963][  T795]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.945964][  T795]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.945965][  T795]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.945967][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.945969][  T795]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.945972][  T795]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.945976][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.945978][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.945980][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945982][  T795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.945983][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945984][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945986][  T795]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.945988][  T795]  ? __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)
[   25.945991][  T795]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.945993][  T795]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.945996][  T795]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.945997][  T795]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.946002][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.946004][  T795]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.946009][  T795]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.946015][  T795]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.946017][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.946021][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.946023][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.946025][  T795]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.946027][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.946031][  T795]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.946033][  T795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.946036][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.946037][  T795]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.946042][  T795]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.946044][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.946047][  T795]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.946050][  T795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.946053][  T795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.946060][  T795]  ? 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))
[   25.946062][  T795]  ? 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))
[   25.946066][  T795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.946070][  T795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.946073][  T795]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.946077][  T795]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.946081][  T795]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.946085][  T795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.946086][  T795]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.946092][  T795]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.946095][  T795]  ____sys_sendmsg (net/socket.c:2713)
[   25.946097][  T795]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.946099][  T795]  ? sock_write_iter (net/socket.c:1269)
[   25.946100][  T795]  ? move_addr_to_kernel (net/socket.c:258)
[   25.946108][  T795]  ___sys_sendmsg (net/socket.c:2767)
[   25.946111][  T795]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.946127][  T795]  __sys_sendmsg (net/socket.c:2799)
[   25.946130][  T795]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.946136][  T795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.946139][  T795]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.946142][  T795]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.946145][  T795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.946147][  T795] RIP: 0033:0x7f7b6871054e
[   25.946151][  T795] 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
[   25.946153][  T795] RSP: 002b:00007fff2ebac160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.946155][  T795] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7b6871054e
[   25.946157][  T795] RDX: 0000000000000000 RSI: 00007fff2ebac210 RDI: 0000000000000005
[   25.946158][  T795] RBP: 00007fff2ebac170 R08: 0000000000000000 R09: 0000000000000000
[   25.946159][  T795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e09
[   25.946159][  T795] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2ebac8e0
| [   27.268003][   T12] softirqs last disabled at (33190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.268005][   T12] Preemption disabled at:
| [   27.268005][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.268014][   T12] Tainted: [W]=WARN
[   27.268015][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.268016][   T12] Workqueue: netns cleanup_net
[   27.268020][   T12] Call Trace:
[   27.268021][   T12]  <TASK>
[   27.268023][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.268029][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.268031][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.268035][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.268039][   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)
[   27.268043][   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))
[   27.268046][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.268053][   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)
[   27.268055][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.268059][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   27.268061][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.268065][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   27.268070][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.268074][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.268079][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.268082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.268088][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.268092][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.268094][   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))
[   27.268097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.268099][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.268103][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.268107][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.268109][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.268115][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.268118][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.268120][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.268121][   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)
[   27.268125][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.268127][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.268130][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.268133][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.268134][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   27.268136][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.268138][   T12]  ? kthread (kernel/kthread.c:436)
[   27.268140][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   27.268143][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   27.268148][   T12]  _printk (kernel/printk/printk.c:2504)
[   27.268151][   T12]  ? snapshot_read.cold (user.c:?)
[   27.268156][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.268159][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.268163][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.268166][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   27.268171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.268173][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   27.268175][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   27.268177][   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)
[   27.268180][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   27.268184][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   27.268187][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   27.268193][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   27.268197][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   27.268200][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   27.268204][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.268208][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   27.268209][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.268212][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.268217][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   27.268220][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.268224][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.268226][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.268230][   T12]  process_one_work (kernel/workqueue.c:3387)
[   27.268240][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.268243][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.268251][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.268258][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.268260][   T12]  kthread (kernel/kthread.c:436)
[   27.268262][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.268265][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.268268][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.268271][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.268274][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.268278][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.268281][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.651343][  T942] softirqs last disabled at (16032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.651346][  T942] Preemption disabled at:
| [   28.651346][  T942] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.651354][  T942] Tainted: [W]=WARN
[   28.651355][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.651357][  T942] Call Trace:
[   28.651359][  T942]  <TASK>
[   28.651360][  T942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.651366][  T942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.651368][  T942]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.651372][  T942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.651377][  T942]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.651381][  T942]  __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))
[   28.651383][  T942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.651389][  T942]  ? 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)
[   28.651392][  T942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.651396][  T942]  put_chars (drivers/char/virtio_console.c:1176)
[   28.651398][  T942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.651405][  T942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.651412][  T942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.651415][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.651420][  T942]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.651424][  T942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.651426][  T942]  ? 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))
[   28.651429][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651432][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.651436][  T942]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.651440][  T942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.651442][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.651447][  T942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.651450][  T942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.651452][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651454][  T942]  ? 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)
[   28.651457][  T942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.651459][  T942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.651462][  T942]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.651465][  T942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.651467][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.651469][  T942]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.651471][  T942]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   28.651474][  T942]  _printk (kernel/printk/printk.c:2504)
[   28.651478][  T942]  ? snapshot_read.cold (user.c:?)
[   28.651480][  T942]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.651482][  T942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.651485][  T942]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.651487][  T942]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.651491][  T942]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.651493][  T942]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.651496][  T942]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.651498][  T942]  ? netdev_notice (net/core/dev.c:13194)
[   28.651501][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.651504][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.651507][  T942]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.651510][  T942]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.651512][  T942]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.651514][  T942]  ? 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))
[   28.651520][  T942]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.651522][  T942]  ? __kernel_text_address (kernel/extable.c:79)
[   28.651525][  T942]  ? write_profile (profile.c:?)
[   28.651529][  T942]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.651534][  T942]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.651538][  T942]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.651540][  T942]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.651541][  T942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.651543][  T942]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.651549][  T942]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.651550][  T942]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.651552][  T942]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.651555][  T942]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.651557][  T942]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.651558][  T942]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.651559][  T942]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.651561][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.651563][  T942]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.651566][  T942]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.651570][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.651572][  T942]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.651574][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651576][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.651578][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651579][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651580][  T942]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.651582][  T942]  ? __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)
[   28.651585][  T942]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.651587][  T942]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.651590][  T942]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.651591][  T942]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.651596][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651598][  T942]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.651603][  T942]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.651608][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.651610][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.651615][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.651617][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.651618][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.651620][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.651624][  T942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.651626][  T942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.651629][  T942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.651630][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.651635][  T942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.651637][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.651640][  T942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.651643][  T942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.651646][  T942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.651652][  T942]  ? 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))
[   28.651654][  T942]  ? 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))
[   28.651658][  T942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.651662][  T942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.651665][  T942]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.651669][  T942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.651673][  T942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.651676][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.651678][  T942]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.651683][  T942]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.651686][  T942]  ____sys_sendmsg (net/socket.c:2713)
[   28.651688][  T942]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.651690][  T942]  ? sock_write_iter (net/socket.c:1269)
[   28.651692][  T942]  ? move_addr_to_kernel (net/socket.c:258)
[   28.651699][  T942]  ___sys_sendmsg (net/socket.c:2767)
[   28.651702][  T942]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.651717][  T942]  __sys_sendmsg (net/socket.c:2799)
[   28.651720][  T942]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.651726][  T942]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   28.651729][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.651731][  T942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.651734][  T942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.651737][  T942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.651739][  T942] RIP: 0033:0x7f5083cd354e
[   28.651743][  T942] 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
[   28.651745][  T942] RSP: 002b:00007ffea279f320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.651747][  T942] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5083cd354e
[   28.651749][  T942] RDX: 0000000000000000 RSI: 00007ffea279f3d0 RDI: 0000000000000005
[   28.651750][  T942] RBP: 00007ffea279f330 R08: 0000000000000000 R09: 0000000000000000
[   28.651750][  T942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e0c
[   28.651751][  T942] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea279faa0
| [   40.417745][ T1244] softirqs last disabled at (29754): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   40.417748][ T1244] Preemption disabled at:
| [   40.417748][ T1244] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.417757][ T1244] Tainted: [W]=WARN
[   40.417758][ T1244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.417759][ T1244] Call Trace:
[   40.417761][ T1244]  <TASK>
[   40.417763][ T1244]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.417769][ T1244]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.417770][ T1244]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.417775][ T1244]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.417779][ T1244]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.417783][ T1244]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.417785][ T1244]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.417792][ T1244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.417795][ T1244]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.417799][ T1244]  put_chars (drivers/char/virtio_console.c:1176)
[   40.417801][ T1244]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.417802][ T1244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.417806][ T1244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.417811][ T1244]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.417819][ T1244]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.417822][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417824][ T1244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.417828][ T1244]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.417832][ T1244]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.417834][ T1244]  ? 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))
[   40.417837][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417838][ T1244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.417842][ T1244]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.417847][ T1244]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.417848][ T1244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.417854][ T1244]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.417857][ T1244]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.417858][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417860][ T1244]  ? 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)
[   40.417864][ T1244]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.417865][ T1244]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.417868][ T1244]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.417871][ T1244]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.417873][ T1244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.417876][ T1244]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.417879][ T1244]  _printk (kernel/printk/printk.c:2504)
[   40.417883][ T1244]  ? snapshot_read.cold (user.c:?)
[   40.417886][ T1244]  ? br_multicast_flood (??:?)
[   40.417890][ T1244]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   40.417891][ T1244]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.417892][ T1244]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.417897][ T1244]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   40.417901][ T1244]  br_init_port (net/bridge/br_stp_if.c:39)
[   40.417903][ T1244]  new_nbp (net/bridge/br_if.c:449)
[   40.417907][ T1244]  br_add_if (net/bridge/br_if.c:592)
[   40.417909][ T1244]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.417913][ T1244]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.417918][ T1244]  do_set_master (net/core/rtnetlink.c:3071)
[   40.417921][ T1244]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   40.417925][ T1244]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.417928][ T1244]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.417929][ T1244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.417932][ T1244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.417935][ T1244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.417937][ T1244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.417939][ T1244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.417941][ T1244]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.417944][ T1244]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.417945][ T1244]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.417946][ T1244]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.417948][ T1244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.417950][ T1244]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   40.417953][ T1244]  ? ___sys_sendmsg (net/socket.c:2758)
[   40.417957][ T1244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.417959][ T1244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.417962][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417963][ T1244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.417965][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417966][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417968][ T1244]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.417970][ T1244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   40.417973][ T1244]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.417974][ T1244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.417978][ T1244]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.417979][ T1244]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.417984][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.417986][ T1244]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.417991][ T1244]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.417997][ T1244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.417998][ T1244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.418003][ T1244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.418005][ T1244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.418007][ T1244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.418009][ T1244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.418013][ T1244]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.418014][ T1244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.418018][ T1244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.418019][ T1244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.418023][ T1244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.418025][ T1244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.418029][ T1244]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.418032][ T1244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.418035][ T1244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.418041][ T1244]  ? 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))
[   40.418045][ T1244]  ? 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))
[   40.418050][ T1244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.418054][ T1244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.418057][ T1244]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.418061][ T1244]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.418065][ T1244]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.418069][ T1244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.418070][ T1244]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.418076][ T1244]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.418079][ T1244]  ____sys_sendmsg (net/socket.c:2713)
[   40.418081][ T1244]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.418083][ T1244]  ? sock_write_iter (net/socket.c:1269)
[   40.418085][ T1244]  ? move_addr_to_kernel (net/socket.c:258)
[   40.418092][ T1244]  ___sys_sendmsg (net/socket.c:2767)
[   40.418095][ T1244]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.418111][ T1244]  __sys_sendmsg (net/socket.c:2799)
[   40.418113][ T1244]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.418120][ T1244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.418123][ T1244]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.418126][ T1244]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.418129][ T1244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.418131][ T1244] RIP: 0033:0x7efdc594d54e
[   40.418134][ T1244] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.418136][ T1244] RSP: 002b:00007fffc7d444c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.418139][ T1244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdc594d54e
[   40.418141][ T1244] RDX: 0000000000000000 RSI: 00007fffc7d44570 RDI: 0000000000000005
[   40.418141][ T1244] RBP: 00007fffc7d444d0 R08: 0000000000000000 R09: 0000000000000000
[   40.418142][ T1244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e17
[   40.418143][ T1244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc7d44c40
| [   41.746949][ T1331] softirqs last disabled at (15570): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   41.746951][ T1331] Preemption disabled at:
| [   41.746952][ T1331] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.746961][ T1331] Tainted: [W]=WARN
[   41.746962][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.746963][ T1331] Call Trace:
[   41.746965][ T1331]  <TASK>
[   41.746966][ T1331]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.746972][ T1331]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.746974][ T1331]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.746978][ T1331]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.746982][ T1331]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.746987][ T1331]  __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))
[   41.746988][ T1331]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.746995][ T1331]  ? 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)
[   41.746998][ T1331]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.747001][ T1331]  put_chars (drivers/char/virtio_console.c:1176)
[   41.747004][ T1331]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.747005][ T1331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.747008][ T1331]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.747014][ T1331]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.747021][ T1331]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.747024][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747026][ T1331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.747030][ T1331]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.747034][ T1331]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.747036][ T1331]  ? 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))
[   41.747039][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747041][ T1331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.747045][ T1331]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.747049][ T1331]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.747051][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.747056][ T1331]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.747059][ T1331]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.747061][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747062][ T1331]  ? 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)
[   41.747066][ T1331]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.747068][ T1331]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.747070][ T1331]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.747073][ T1331]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.747075][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.747078][ T1331]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.747081][ T1331]  _printk (kernel/printk/printk.c:2504)
[   41.747085][ T1331]  ? snapshot_read.cold (user.c:?)
[   41.747089][ T1331]  ? br_multicast_flood (??:?)
[   41.747092][ T1331]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.747093][ T1331]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.747095][ T1331]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.747099][ T1331]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.747103][ T1331]  br_init_port (net/bridge/br_stp_if.c:39)
[   41.747106][ T1331]  new_nbp (net/bridge/br_if.c:449)
[   41.747109][ T1331]  br_add_if (net/bridge/br_if.c:592)
[   41.747112][ T1331]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.747115][ T1331]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.747121][ T1331]  do_set_master (net/core/rtnetlink.c:3071)
[   41.747124][ T1331]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.747128][ T1331]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.747131][ T1331]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.747132][ T1331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.747135][ T1331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.747138][ T1331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.747140][ T1331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.747142][ T1331]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.747144][ T1331]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.747146][ T1331]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.747147][ T1331]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.747149][ T1331]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.747151][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.747153][ T1331]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   41.747155][ T1331]  ? ___sys_sendmsg (net/socket.c:2758)
[   41.747159][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.747161][ T1331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.747163][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747165][ T1331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.747167][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747168][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747169][ T1331]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.747172][ T1331]  ? __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)
[   41.747174][ T1331]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.747176][ T1331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.747179][ T1331]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.747180][ T1331]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.747185][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747187][ T1331]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.747193][ T1331]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.747198][ T1331]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.747200][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.747204][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.747206][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.747208][ T1331]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.747210][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.747214][ T1331]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.747216][ T1331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.747219][ T1331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.747220][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.747225][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.747226][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.747230][ T1331]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.747233][ T1331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.747236][ T1331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.747242][ T1331]  ? 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))
[   41.747244][ T1331]  ? 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))
[   41.747249][ T1331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.747252][ T1331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.747255][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.747259][ T1331]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.747263][ T1331]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.747267][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.747268][ T1331]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.747274][ T1331]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.747276][ T1331]  ____sys_sendmsg (net/socket.c:2713)
[   41.747279][ T1331]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.747281][ T1331]  ? sock_write_iter (net/socket.c:1269)
[   41.747282][ T1331]  ? move_addr_to_kernel (net/socket.c:258)
[   41.747290][ T1331]  ___sys_sendmsg (net/socket.c:2767)
[   41.747292][ T1331]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.747308][ T1331]  __sys_sendmsg (net/socket.c:2799)
[   41.747311][ T1331]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.747322][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.747325][ T1331]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.747328][ T1331]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.747331][ T1331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.747333][ T1331] RIP: 0033:0x7f6d96fdf54e
[   41.747336][ T1331] 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
[   41.747338][ T1331] RSP: 002b:00007ffd6c449050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.747341][ T1331] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6d96fdf54e
[   41.747342][ T1331] RDX: 0000000000000000 RSI: 00007ffd6c449100 RDI: 0000000000000005
[   41.747343][ T1331] RBP: 00007ffd6c449060 R08: 0000000000000000 R09: 0000000000000000
[   41.747344][ T1331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e19
[   41.747344][ T1331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6c4497d0
| [   43.048999][ T1405] softirqs last disabled at (22427): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   43.049001][ T1405] Preemption disabled at:
| [   43.049002][ T1405] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.049010][ T1405] Tainted: [W]=WARN
[   43.049011][ T1405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.049013][ T1405] Call Trace:
[   43.049015][ T1405]  <TASK>
[   43.049016][ T1405]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.049022][ T1405]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.049024][ T1405]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.049028][ T1405]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.049032][ T1405]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.049036][ T1405]  __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))
[   43.049038][ T1405]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.049047][ T1405]  ? 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)
[   43.049050][ T1405]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.049053][ T1405]  put_chars (drivers/char/virtio_console.c:1176)
[   43.049056][ T1405]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.049057][ T1405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.049060][ T1405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.049066][ T1405]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.049073][ T1405]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.049076][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049078][ T1405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.049082][ T1405]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.049086][ T1405]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.049088][ T1405]  ? 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))
[   43.049091][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049093][ T1405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.049097][ T1405]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.049101][ T1405]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.049103][ T1405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.049108][ T1405]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.049111][ T1405]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.049113][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049115][ T1405]  ? 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)
[   43.049119][ T1405]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.049120][ T1405]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.049123][ T1405]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.049126][ T1405]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.049128][ T1405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.049131][ T1405]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.049134][ T1405]  _printk (kernel/printk/printk.c:2504)
[   43.049138][ T1405]  ? snapshot_read.cold (user.c:?)
[   43.049142][ T1405]  ? br_multicast_flood (??:?)
[   43.049145][ T1405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.049146][ T1405]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.049148][ T1405]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.049152][ T1405]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.049156][ T1405]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.049159][ T1405]  new_nbp (net/bridge/br_if.c:449)
[   43.049162][ T1405]  br_add_if (net/bridge/br_if.c:592)
[   43.049165][ T1405]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.049168][ T1405]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.049174][ T1405]  do_set_master (net/core/rtnetlink.c:3071)
[   43.049177][ T1405]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.049181][ T1405]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.049184][ T1405]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.049185][ T1405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   43.049188][ T1405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   43.049191][ T1405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.049193][ T1405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.049195][ T1405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.049198][ T1405]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.049200][ T1405]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.049201][ T1405]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.049202][ T1405]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.049205][ T1405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.049207][ T1405]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   43.049210][ T1405]  ? ___sys_sendmsg (net/socket.c:2758)
[   43.049213][ T1405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.049215][ T1405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.049218][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049220][ T1405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.049221][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049222][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049224][ T1405]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.049226][ T1405]  ? __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)
[   43.049229][ T1405]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.049231][ T1405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.049234][ T1405]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.049235][ T1405]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.049240][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049243][ T1405]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.049248][ T1405]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.049253][ T1405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.049255][ T1405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.049260][ T1405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.049261][ T1405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.049264][ T1405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.049265][ T1405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.049269][ T1405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.049271][ T1405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.049274][ T1405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.049276][ T1405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.049280][ T1405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.049282][ T1405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.049285][ T1405]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.049288][ T1405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.049291][ T1405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.049298][ T1405]  ? 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))
[   43.049300][ T1405]  ? 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))
[   43.049304][ T1405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.049308][ T1405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.049311][ T1405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.049315][ T1405]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.049319][ T1405]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.049323][ T1405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.049328][ T1405]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.049334][ T1405]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.049337][ T1405]  ____sys_sendmsg (net/socket.c:2713)
[   43.049339][ T1405]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.049341][ T1405]  ? sock_write_iter (net/socket.c:1269)
[   43.049343][ T1405]  ? move_addr_to_kernel (net/socket.c:258)
[   43.049350][ T1405]  ___sys_sendmsg (net/socket.c:2767)
[   43.049353][ T1405]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.049369][ T1405]  __sys_sendmsg (net/socket.c:2799)
[   43.049372][ T1405]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.049378][ T1405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.049381][ T1405]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.049384][ T1405]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.049387][ T1405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.049389][ T1405] RIP: 0033:0x7f2611dd754e
[   43.049393][ T1405] 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
[   43.049395][ T1405] RSP: 002b:00007ffe4ea1c690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.049397][ T1405] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2611dd754e
[   43.049399][ T1405] RDX: 0000000000000000 RSI: 00007ffe4ea1c740 RDI: 0000000000000005
[   43.049400][ T1405] RBP: 00007ffe4ea1c6a0 R08: 0000000000000000 R09: 0000000000000000
[   43.049401][ T1405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e1a
[   43.049401][ T1405] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4ea1ce10
| [   44.361862][ T1478] softirqs last disabled at (14468): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   44.361864][ T1478] Preemption disabled at:
| [   44.361865][ T1478] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.361873][ T1478] Tainted: [W]=WARN
[   44.361874][ T1478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.361876][ T1478] Call Trace:
[   44.361877][ T1478]  <TASK>
[   44.361878][ T1478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.361884][ T1478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.361886][ T1478]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.361890][ T1478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.361894][ T1478]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.361899][ T1478]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.361901][ T1478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.361908][ T1478]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.361910][ T1478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.361914][ T1478]  put_chars (drivers/char/virtio_console.c:1176)
[   44.361916][ T1478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.361917][ T1478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.361921][ T1478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.361926][ T1478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.361934][ T1478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.361936][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.361938][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.361942][ T1478]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.361946][ T1478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.361948][ T1478]  ? 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))
[   44.361951][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.361953][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.361957][ T1478]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.361961][ T1478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.361963][ T1478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.361968][ T1478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.361971][ T1478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.361973][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.361974][ T1478]  ? 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)
[   44.361978][ T1478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.361980][ T1478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.361982][ T1478]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.361985][ T1478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.361987][ T1478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.361990][ T1478]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.361993][ T1478]  _printk (kernel/printk/printk.c:2504)
[   44.361997][ T1478]  ? snapshot_read.cold (user.c:?)
[   44.362000][ T1478]  ? br_multicast_flood (??:?)
[   44.362004][ T1478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.362005][ T1478]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.362006][ T1478]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.362011][ T1478]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   44.362015][ T1478]  br_init_port (net/bridge/br_stp_if.c:39)
[   44.362017][ T1478]  new_nbp (net/bridge/br_if.c:449)
[   44.362021][ T1478]  br_add_if (net/bridge/br_if.c:592)
[   44.362024][ T1478]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.362027][ T1478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.362032][ T1478]  do_set_master (net/core/rtnetlink.c:3071)
[   44.362036][ T1478]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.362039][ T1478]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.362043][ T1478]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.362045][ T1478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.362048][ T1478]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.362051][ T1478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.362053][ T1478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.362055][ T1478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.362057][ T1478]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.362059][ T1478]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.362060][ T1478]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.362062][ T1478]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.362064][ T1478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.362066][ T1478]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   44.362068][ T1478]  ? ___sys_sendmsg (net/socket.c:2758)
[   44.362072][ T1478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.362074][ T1478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.362077][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.362078][ T1478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.362080][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.362081][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.362082][ T1478]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.362085][ T1478]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.362087][ T1478]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.362089][ T1478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.362092][ T1478]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.362094][ T1478]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.362098][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.362100][ T1478]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.362106][ T1478]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.362111][ T1478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.362113][ T1478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.362117][ T1478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.362119][ T1478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.362121][ T1478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.362123][ T1478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.362127][ T1478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.362129][ T1478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.362132][ T1478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.362133][ T1478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.362138][ T1478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.362140][ T1478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.362143][ T1478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.362146][ T1478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.362149][ T1478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.362156][ T1478]  ? 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))
[   44.362158][ T1478]  ? 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))
[   44.362162][ T1478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.362166][ T1478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.362168][ T1478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.362173][ T1478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.362177][ T1478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.362180][ T1478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.362182][ T1478]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.362187][ T1478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.362190][ T1478]  ____sys_sendmsg (net/socket.c:2713)
[   44.362192][ T1478]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.362195][ T1478]  ? sock_write_iter (net/socket.c:1269)
[   44.362196][ T1478]  ? move_addr_to_kernel (net/socket.c:258)
[   44.362204][ T1478]  ___sys_sendmsg (net/socket.c:2767)
[   44.362206][ T1478]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.362223][ T1478]  __sys_sendmsg (net/socket.c:2799)
[   44.362225][ T1478]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.362232][ T1478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.362235][ T1478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.362238][ T1478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.362241][ T1478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.362243][ T1478] RIP: 0033:0x7ff24555754e
[   44.362246][ T1478] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.362248][ T1478] RSP: 002b:00007ffc2ed37a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.362251][ T1478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff24555754e
[   44.362252][ T1478] RDX: 0000000000000000 RSI: 00007ffc2ed37b30 RDI: 0000000000000005
[   44.362253][ T1478] RBP: 00007ffc2ed37a90 R08: 0000000000000000 R09: 0000000000000000
[   44.362254][ T1478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e1b
[   44.362254][ T1478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2ed38200
| [   45.666148][   T12] softirqs last disabled at (375844): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   45.666150][   T12] Preemption disabled at:
| [   45.666150][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.666159][   T12] Tainted: [W]=WARN
[   45.666159][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.666161][   T12] Workqueue: netns cleanup_net
[   45.666164][   T12] Call Trace:
[   45.666166][   T12]  <TASK>
[   45.666167][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.666173][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.666175][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.666179][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.666183][   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)
[   45.666187][   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))
[   45.666189][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.666196][   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)
[   45.666198][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.666202][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   45.666204][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.666206][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.666209][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.666212][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.666217][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.666221][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.666226][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.666229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.666234][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.666238][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.666240][   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))
[   45.666244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.666245][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.666249][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.666254][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.666256][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.666261][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.666264][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.666266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.666267][   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)
[   45.666271][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.666273][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.666276][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.666279][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.666280][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   45.666282][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   45.666284][   T12]  ? kthread (kernel/kthread.c:436)
[   45.666286][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   45.666289][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   45.666294][   T12]  _printk (kernel/printk/printk.c:2504)
[   45.666297][   T12]  ? snapshot_read.cold (user.c:?)
[   45.666301][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.666305][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.666309][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.666312][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   45.666316][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.666318][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   45.666320][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   45.666322][   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)
[   45.666325][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   45.666329][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   45.666332][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   45.666338][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   45.666347][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   45.666350][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   45.666354][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.666358][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   45.666359][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.666362][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   45.666367][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   45.666370][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   45.666374][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.666376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.666379][   T12]  process_one_work (kernel/workqueue.c:3387)
[   45.666386][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   45.666389][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.666396][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   45.666403][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.666405][   T12]  kthread (kernel/kthread.c:436)
[   45.666407][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.666410][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.666413][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.666416][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   45.666419][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.666423][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.666425][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.027452][ T1623] softirqs last disabled at (14784): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.027454][ T1623] Preemption disabled at:
| [   47.027455][ T1623] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.027463][ T1623] Tainted: [W]=WARN
[   47.027464][ T1623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.027466][ T1623] Call Trace:
[   47.027468][ T1623]  <TASK>
[   47.027469][ T1623]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.027475][ T1623]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.027477][ T1623]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.027481][ T1623]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.027485][ T1623]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.027490][ T1623]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.027492][ T1623]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.027498][ T1623]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.027501][ T1623]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.027505][ T1623]  put_chars (drivers/char/virtio_console.c:1176)
[   47.027507][ T1623]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.027513][ T1623]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.027521][ T1623]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.027524][ T1623]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.027528][ T1623]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.027532][ T1623]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.027534][ T1623]  ? 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))
[   47.027537][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027540][ T1623]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.027546][ T1623]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.027550][ T1623]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.027552][ T1623]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.027557][ T1623]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.027560][ T1623]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.027562][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027563][ T1623]  ? 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)
[   47.027567][ T1623]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.027569][ T1623]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.027571][ T1623]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.027574][ T1623]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.027576][ T1623]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.027578][ T1623]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   47.027580][ T1623]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   47.027584][ T1623]  _printk (kernel/printk/printk.c:2504)
[   47.027588][ T1623]  ? snapshot_read.cold (user.c:?)
[   47.027589][ T1623]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.027592][ T1623]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.027595][ T1623]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.027597][ T1623]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.027600][ T1623]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.027603][ T1623]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.027605][ T1623]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.027608][ T1623]  ? netdev_notice (net/core/dev.c:13194)
[   47.027611][ T1623]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.027614][ T1623]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.027616][ T1623]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.027620][ T1623]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.027622][ T1623]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.027624][ T1623]  ? 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))
[   47.027629][ T1623]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.027632][ T1623]  ? __kernel_text_address (kernel/extable.c:79)
[   47.027634][ T1623]  ? write_profile (profile.c:?)
[   47.027638][ T1623]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.027644][ T1623]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.027647][ T1623]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.027649][ T1623]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.027650][ T1623]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.027652][ T1623]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.027655][ T1623]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.027657][ T1623]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.027659][ T1623]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.027661][ T1623]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.027663][ T1623]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.027664][ T1623]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.027665][ T1623]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.027668][ T1623]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.027669][ T1623]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   47.027673][ T1623]  ? ___sys_sendmsg (net/socket.c:2758)
[   47.027676][ T1623]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.027678][ T1623]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.027681][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027682][ T1623]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.027684][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027685][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027687][ T1623]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.027689][ T1623]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.027692][ T1623]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.027694][ T1623]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.027697][ T1623]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.027698][ T1623]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.027703][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027705][ T1623]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.027710][ T1623]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.027715][ T1623]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.027717][ T1623]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.027721][ T1623]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.027723][ T1623]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.027725][ T1623]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.027727][ T1623]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.027731][ T1623]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.027733][ T1623]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.027736][ T1623]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.027737][ T1623]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.027741][ T1623]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.027743][ T1623]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.027746][ T1623]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.027749][ T1623]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.027752][ T1623]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.027758][ T1623]  ? 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))
[   47.027761][ T1623]  ? 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))
[   47.027765][ T1623]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.027769][ T1623]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.027771][ T1623]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.027775][ T1623]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.027779][ T1623]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.027783][ T1623]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.027784][ T1623]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.027789][ T1623]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.027792][ T1623]  ____sys_sendmsg (net/socket.c:2713)
[   47.027794][ T1623]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.027797][ T1623]  ? sock_write_iter (net/socket.c:1269)
[   47.027798][ T1623]  ? move_addr_to_kernel (net/socket.c:258)
[   47.027805][ T1623]  ___sys_sendmsg (net/socket.c:2767)
[   47.027808][ T1623]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.027823][ T1623]  __sys_sendmsg (net/socket.c:2799)
[   47.027826][ T1623]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.027832][ T1623]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.027835][ T1623]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.027838][ T1623]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.027841][ T1623]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.027843][ T1623] RIP: 0033:0x7fa4ac21154e
[   47.027847][ T1623] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.027848][ T1623] RSP: 002b:00007fff43cb6530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.027851][ T1623] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa4ac21154e
[   47.027853][ T1623] RDX: 0000000000000000 RSI: 00007fff43cb65e0 RDI: 0000000000000005
[   47.027853][ T1623] RBP: 00007fff43cb6540 R08: 0000000000000000 R09: 0000000000000000
[   47.027854][ T1623] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e1e
[   47.027855][ T1623] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff43cb6cb0
| [   58.734006][ T1915] softirqs last disabled at (22800): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   58.734009][ T1915] Preemption disabled at:
| [   58.734009][ T1915] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.734018][ T1915] Tainted: [W]=WARN
[   58.734019][ T1915] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.734020][ T1915] Call Trace:
[   58.734022][ T1915]  <TASK>
[   58.734023][ T1915]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.734029][ T1915]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.734031][ T1915]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.734035][ T1915]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.734039][ T1915]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.734045][ T1915]  __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))
[   58.734048][ T1915]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.734054][ T1915]  ? 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)
[   58.734057][ T1915]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.734061][ T1915]  put_chars (drivers/char/virtio_console.c:1176)
[   58.734063][ T1915]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.734065][ T1915]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.734068][ T1915]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.734073][ T1915]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.734081][ T1915]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.734084][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734085][ T1915]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.734089][ T1915]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.734093][ T1915]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.734095][ T1915]  ? 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))
[   58.734098][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734100][ T1915]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.734104][ T1915]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.734108][ T1915]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.734110][ T1915]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.734115][ T1915]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.734118][ T1915]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.734120][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734122][ T1915]  ? 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)
[   58.734125][ T1915]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.734127][ T1915]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.734130][ T1915]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.734133][ T1915]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.734135][ T1915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.734138][ T1915]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.734141][ T1915]  _printk (kernel/printk/printk.c:2504)
[   58.734145][ T1915]  ? snapshot_read.cold (user.c:?)
[   58.734148][ T1915]  ? br_multicast_flood (??:?)
[   58.734151][ T1915]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   58.734153][ T1915]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.734154][ T1915]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.734158][ T1915]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   58.734163][ T1915]  br_init_port (net/bridge/br_stp_if.c:39)
[   58.734165][ T1915]  new_nbp (net/bridge/br_if.c:449)
[   58.734169][ T1915]  br_add_if (net/bridge/br_if.c:592)
[   58.734171][ T1915]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   58.734175][ T1915]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   58.734180][ T1915]  do_set_master (net/core/rtnetlink.c:3071)
[   58.734184][ T1915]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   58.734187][ T1915]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   58.734190][ T1915]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   58.734192][ T1915]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.734194][ T1915]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.734198][ T1915]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.734200][ T1915]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.734201][ T1915]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.734204][ T1915]  ? kasan_save_stack (mm/kasan/common.c:58)
[   58.734206][ T1915]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.734207][ T1915]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.734209][ T1915]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   58.734211][ T1915]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.734213][ T1915]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   58.734215][ T1915]  ? ___sys_sendmsg (net/socket.c:2758)
[   58.734219][ T1915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.734221][ T1915]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.734224][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734226][ T1915]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.734227][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734228][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734230][ T1915]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   58.734232][ T1915]  ? __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)
[   58.734235][ T1915]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   58.734236][ T1915]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   58.734240][ T1915]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   58.734241][ T1915]  ? nla_get_range_signed (lib/nlattr.c:270)
[   58.734246][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734248][ T1915]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   58.734253][ T1915]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.734259][ T1915]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.734260][ T1915]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.734265][ T1915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.734267][ T1915]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.734269][ T1915]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.734271][ T1915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.734275][ T1915]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.734277][ T1915]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.734280][ T1915]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.734281][ T1915]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.734286][ T1915]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.734288][ T1915]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.734291][ T1915]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.734294][ T1915]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.734297][ T1915]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.734304][ T1915]  ? 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))
[   58.734306][ T1915]  ? 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))
[   58.734310][ T1915]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.734314][ T1915]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.734316][ T1915]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.734321][ T1915]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.734325][ T1915]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.734328][ T1915]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.734330][ T1915]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   58.734336][ T1915]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.734338][ T1915]  ____sys_sendmsg (net/socket.c:2713)
[   58.734341][ T1915]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.734343][ T1915]  ? sock_write_iter (net/socket.c:1269)
[   58.734344][ T1915]  ? move_addr_to_kernel (net/socket.c:258)
[   58.734352][ T1915]  ___sys_sendmsg (net/socket.c:2767)
[   58.734354][ T1915]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.734370][ T1915]  __sys_sendmsg (net/socket.c:2799)
[   58.734373][ T1915]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.734379][ T1915]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.734382][ T1915]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.734385][ T1915]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.734388][ T1915]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.734390][ T1915] RIP: 0033:0x7fe00d56154e
[   58.734394][ T1915] 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
[   58.734396][ T1915] RSP: 002b:00007fffa5bdc7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.734398][ T1915] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe00d56154e
[   58.734400][ T1915] RDX: 0000000000000000 RSI: 00007fffa5bdc860 RDI: 0000000000000005
[   58.734401][ T1915] RBP: 00007fffa5bdc7c0 R08: 0000000000000000 R09: 0000000000000000
[   58.734401][ T1915] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e2a
[   58.734402][ T1915] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa5bdcf30
| [   60.075417][ T2006] softirqs last disabled at (16966): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   60.075420][ T2006] Preemption disabled at:
| [   60.075421][ T2006] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.075434][ T2006] Tainted: [W]=WARN
[   60.075435][ T2006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.075436][ T2006] Call Trace:
[   60.075438][ T2006]  <TASK>
[   60.075439][ T2006]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.075445][ T2006]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.075447][ T2006]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.075451][ T2006]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.075455][ T2006]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.075459][ T2006]  __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))
[   60.075461][ T2006]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.075469][ T2006]  ? 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)
[   60.075471][ T2006]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.075475][ T2006]  put_chars (drivers/char/virtio_console.c:1176)
[   60.075477][ T2006]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.075478][ T2006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.075482][ T2006]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.075487][ T2006]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.075495][ T2006]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.075497][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075499][ T2006]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.075503][ T2006]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.075507][ T2006]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.075509][ T2006]  ? 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))
[   60.075512][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075514][ T2006]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.075517][ T2006]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.075521][ T2006]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.075523][ T2006]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.075528][ T2006]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.075531][ T2006]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.075533][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075535][ T2006]  ? 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)
[   60.075538][ T2006]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.075540][ T2006]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.075543][ T2006]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.075547][ T2006]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.075549][ T2006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.075552][ T2006]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.075555][ T2006]  _printk (kernel/printk/printk.c:2504)
[   60.075559][ T2006]  ? snapshot_read.cold (user.c:?)
[   60.075562][ T2006]  ? br_multicast_flood (??:?)
[   60.075565][ T2006]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   60.075567][ T2006]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.075568][ T2006]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.075572][ T2006]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   60.075576][ T2006]  br_init_port (net/bridge/br_stp_if.c:39)
[   60.075579][ T2006]  new_nbp (net/bridge/br_if.c:449)
[   60.075582][ T2006]  br_add_if (net/bridge/br_if.c:592)
[   60.075585][ T2006]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   60.075588][ T2006]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   60.075594][ T2006]  do_set_master (net/core/rtnetlink.c:3071)
[   60.075597][ T2006]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   60.075600][ T2006]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.075603][ T2006]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.075605][ T2006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.075607][ T2006]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.075611][ T2006]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.075613][ T2006]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.075614][ T2006]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.075617][ T2006]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.075619][ T2006]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.075620][ T2006]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.075621][ T2006]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   60.075624][ T2006]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.075626][ T2006]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   60.075628][ T2006]  ? ___sys_sendmsg (net/socket.c:2758)
[   60.075632][ T2006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.075634][ T2006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.075637][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075639][ T2006]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.075640][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075641][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075643][ T2006]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.075645][ T2006]  ? __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)
[   60.075648][ T2006]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.075650][ T2006]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.075653][ T2006]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.075654][ T2006]  ? nla_get_range_signed (lib/nlattr.c:270)
[   60.075659][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075661][ T2006]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.075666][ T2006]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.075671][ T2006]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.075673][ T2006]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.075677][ T2006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.075679][ T2006]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.075681][ T2006]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.075683][ T2006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.075687][ T2006]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.075689][ T2006]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.075692][ T2006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.075693][ T2006]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.075697][ T2006]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.075699][ T2006]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.075703][ T2006]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.075706][ T2006]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.075709][ T2006]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.075715][ T2006]  ? 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))
[   60.075717][ T2006]  ? 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))
[   60.075721][ T2006]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.075725][ T2006]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.075727][ T2006]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.075732][ T2006]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.075735][ T2006]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.075739][ T2006]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.075741][ T2006]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   60.075746][ T2006]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   60.075749][ T2006]  ____sys_sendmsg (net/socket.c:2713)
[   60.075751][ T2006]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.075753][ T2006]  ? sock_write_iter (net/socket.c:1269)
[   60.075755][ T2006]  ? move_addr_to_kernel (net/socket.c:258)
[   60.075762][ T2006]  ___sys_sendmsg (net/socket.c:2767)
[   60.075765][ T2006]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.075780][ T2006]  __sys_sendmsg (net/socket.c:2799)
[   60.075783][ T2006]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.075789][ T2006]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.075792][ T2006]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.075795][ T2006]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.075797][ T2006]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.075800][ T2006] RIP: 0033:0x7f078fc5a54e
[   60.075803][ T2006] 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
[   60.075805][ T2006] RSP: 002b:00007ffc725181e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.075808][ T2006] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f078fc5a54e
[   60.075809][ T2006] RDX: 0000000000000000 RSI: 00007ffc72518290 RDI: 0000000000000005
[   60.075810][ T2006] RBP: 00007ffc725181f0 R08: 0000000000000000 R09: 0000000000000000
[   60.075811][ T2006] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e2b
[   60.075811][ T2006] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc72518960
| [   61.325972][ T2079] softirqs last disabled at (15960): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   61.325975][ T2079] Preemption disabled at:
| [   61.325975][ T2079] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.325984][ T2079] Tainted: [W]=WARN
[   61.325985][ T2079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.325986][ T2079] Call Trace:
[   61.325988][ T2079]  <TASK>
[   61.325989][ T2079]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.325995][ T2079]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.325997][ T2079]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.326001][ T2079]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.326005][ T2079]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.326010][ T2079]  __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))
[   61.326011][ T2079]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.326018][ T2079]  ? 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)
[   61.326021][ T2079]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.326025][ T2079]  put_chars (drivers/char/virtio_console.c:1176)
[   61.326027][ T2079]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.326028][ T2079]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.326032][ T2079]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.326037][ T2079]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.326046][ T2079]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.326048][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326050][ T2079]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.326054][ T2079]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.326058][ T2079]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.326060][ T2079]  ? 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))
[   61.326063][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326065][ T2079]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.326069][ T2079]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.326073][ T2079]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.326075][ T2079]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.326081][ T2079]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.326083][ T2079]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.326085][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326087][ T2079]  ? 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)
[   61.326091][ T2079]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.326092][ T2079]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.326095][ T2079]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.326098][ T2079]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.326100][ T2079]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.326103][ T2079]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.326106][ T2079]  _printk (kernel/printk/printk.c:2504)
[   61.326110][ T2079]  ? snapshot_read.cold (user.c:?)
[   61.326113][ T2079]  ? br_multicast_flood (??:?)
[   61.326117][ T2079]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.326118][ T2079]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.326119][ T2079]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.326124][ T2079]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   61.326128][ T2079]  br_init_port (net/bridge/br_stp_if.c:39)
[   61.326130][ T2079]  new_nbp (net/bridge/br_if.c:449)
[   61.326134][ T2079]  br_add_if (net/bridge/br_if.c:592)
[   61.326136][ T2079]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.326140][ T2079]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.326145][ T2079]  do_set_master (net/core/rtnetlink.c:3071)
[   61.326149][ T2079]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.326152][ T2079]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.326155][ T2079]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.326156][ T2079]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.326159][ T2079]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.326162][ T2079]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.326164][ T2079]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.326166][ T2079]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.326169][ T2079]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.326171][ T2079]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.326172][ T2079]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.326173][ T2079]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.326176][ T2079]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.326177][ T2079]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   61.326180][ T2079]  ? ___sys_sendmsg (net/socket.c:2758)
[   61.326184][ T2079]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.326186][ T2079]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.326189][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326190][ T2079]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.326192][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326193][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326194][ T2079]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.326197][ T2079]  ? __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)
[   61.326199][ T2079]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.326201][ T2079]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.326205][ T2079]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.326206][ T2079]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.326211][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326213][ T2079]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.326218][ T2079]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.326223][ T2079]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.326225][ T2079]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.326230][ T2079]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.326232][ T2079]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.326234][ T2079]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.326236][ T2079]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.326240][ T2079]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.326242][ T2079]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.326245][ T2079]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.326246][ T2079]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.326250][ T2079]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.326252][ T2079]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.326256][ T2079]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.326259][ T2079]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.326262][ T2079]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.326268][ T2079]  ? 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))
[   61.326270][ T2079]  ? 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))
[   61.326275][ T2079]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.326279][ T2079]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.326281][ T2079]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.326285][ T2079]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.326289][ T2079]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.326293][ T2079]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.326295][ T2079]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.326300][ T2079]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.326303][ T2079]  ____sys_sendmsg (net/socket.c:2713)
[   61.326305][ T2079]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.326307][ T2079]  ? sock_write_iter (net/socket.c:1269)
[   61.326309][ T2079]  ? move_addr_to_kernel (net/socket.c:258)
[   61.326316][ T2079]  ___sys_sendmsg (net/socket.c:2767)
[   61.326319][ T2079]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.326335][ T2079]  __sys_sendmsg (net/socket.c:2799)
[   61.326338][ T2079]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.326344][ T2079]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.326347][ T2079]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.326350][ T2079]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.326353][ T2079]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.326355][ T2079] RIP: 0033:0x7ffbc668254e
[   61.326359][ T2079] 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
[   61.326361][ T2079] RSP: 002b:00007ffc6bc5c520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.326363][ T2079] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffbc668254e
[   61.326365][ T2079] RDX: 0000000000000000 RSI: 00007ffc6bc5c5d0 RDI: 0000000000000005
[   61.326366][ T2079] RBP: 00007ffc6bc5c530 R08: 0000000000000000 R09: 0000000000000000
[   61.326366][ T2079] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e2c
[   61.326367][ T2079] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6bc5cca0
| [   62.625283][ T2151] softirqs last disabled at (22938): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   62.625286][ T2151] Preemption disabled at:
| [   62.625287][ T2151] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.625295][ T2151] Tainted: [W]=WARN
[   62.625296][ T2151] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.625297][ T2151] Call Trace:
[   62.625299][ T2151]  <TASK>
[   62.625300][ T2151]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.625306][ T2151]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.625308][ T2151]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.625312][ T2151]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.625317][ T2151]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.625321][ T2151]  __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))
[   62.625323][ T2151]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.625330][ T2151]  ? 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)
[   62.625332][ T2151]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.625336][ T2151]  put_chars (drivers/char/virtio_console.c:1176)
[   62.625338][ T2151]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.625340][ T2151]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.625343][ T2151]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.625349][ T2151]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.625356][ T2151]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.625359][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625361][ T2151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.625365][ T2151]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.625369][ T2151]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.625371][ T2151]  ? 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))
[   62.625374][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625375][ T2151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.625379][ T2151]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.625384][ T2151]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.625386][ T2151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.625391][ T2151]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.625394][ T2151]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.625395][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625397][ T2151]  ? 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)
[   62.625401][ T2151]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.625403][ T2151]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.625405][ T2151]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.625408][ T2151]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.625410][ T2151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.625413][ T2151]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.625416][ T2151]  _printk (kernel/printk/printk.c:2504)
[   62.625420][ T2151]  ? snapshot_read.cold (user.c:?)
[   62.625423][ T2151]  ? br_multicast_flood (??:?)
[   62.625427][ T2151]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.625428][ T2151]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.625429][ T2151]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.625434][ T2151]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   62.625442][ T2151]  br_init_port (net/bridge/br_stp_if.c:39)
[   62.625445][ T2151]  new_nbp (net/bridge/br_if.c:449)
[   62.625448][ T2151]  br_add_if (net/bridge/br_if.c:592)
[   62.625451][ T2151]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.625454][ T2151]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.625460][ T2151]  do_set_master (net/core/rtnetlink.c:3071)
[   62.625463][ T2151]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.625466][ T2151]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.625469][ T2151]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.625471][ T2151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.625473][ T2151]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.625477][ T2151]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.625479][ T2151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.625480][ T2151]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.625483][ T2151]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.625485][ T2151]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.625486][ T2151]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.625487][ T2151]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.625490][ T2151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.625492][ T2151]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   62.625494][ T2151]  ? ___sys_sendmsg (net/socket.c:2758)
[   62.625498][ T2151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.625500][ T2151]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.625503][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625504][ T2151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.625506][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625507][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625509][ T2151]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.625511][ T2151]  ? __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)
[   62.625514][ T2151]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.625515][ T2151]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.625519][ T2151]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.625520][ T2151]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.625524][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625527][ T2151]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.625532][ T2151]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.625537][ T2151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.625539][ T2151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.625543][ T2151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.625548][ T2151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.625550][ T2151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.625551][ T2151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.625555][ T2151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.625557][ T2151]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.625560][ T2151]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.625561][ T2151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.625566][ T2151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.625568][ T2151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.625571][ T2151]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.625574][ T2151]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.625577][ T2151]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.625583][ T2151]  ? 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))
[   62.625585][ T2151]  ? 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))
[   62.625589][ T2151]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.625593][ T2151]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.625596][ T2151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.625600][ T2151]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.625604][ T2151]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.625608][ T2151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.625609][ T2151]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   62.625614][ T2151]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   62.625617][ T2151]  ____sys_sendmsg (net/socket.c:2713)
[   62.625619][ T2151]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.625622][ T2151]  ? sock_write_iter (net/socket.c:1269)
[   62.625623][ T2151]  ? move_addr_to_kernel (net/socket.c:258)
[   62.625630][ T2151]  ___sys_sendmsg (net/socket.c:2767)
[   62.625633][ T2151]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.625649][ T2151]  __sys_sendmsg (net/socket.c:2799)
[   62.625652][ T2151]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.625658][ T2151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.625661][ T2151]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.625663][ T2151]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.625666][ T2151]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.625669][ T2151] RIP: 0033:0x7f91e97f554e
[   62.625672][ T2151] 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
[   62.625674][ T2151] RSP: 002b:00007ffdf127f440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.625677][ T2151] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f91e97f554e
[   62.625678][ T2151] RDX: 0000000000000000 RSI: 00007ffdf127f4f0 RDI: 0000000000000005
[   62.625679][ T2151] RBP: 00007ffdf127f450 R08: 0000000000000000 R09: 0000000000000000
[   62.625680][ T2151] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e2d
[   62.625681][ T2151] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf127fbc0
| [   63.951239][   T12] softirqs last disabled at (713902): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   63.951241][   T12] Preemption disabled at:
| [   63.951242][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.951251][   T12] Tainted: [W]=WARN
[   63.951252][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.951253][   T12] Workqueue: netns cleanup_net
[   63.951256][   T12] Call Trace:
[   63.951258][   T12]  <TASK>
[   63.951260][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.951266][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.951267][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.951272][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.951276][   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)
[   63.951280][   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))
[   63.951282][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.951288][   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)
[   63.951291][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.951295][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   63.951297][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.951299][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.951302][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.951305][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.951310][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.951313][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.951319][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.951322][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.951326][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.951330][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.951332][   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))
[   63.951336][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.951337][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.951341][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.951346][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.951347][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.951353][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.951356][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.951357][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.951359][   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)
[   63.951363][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.951365][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.951367][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.951371][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.951372][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   63.951373][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   63.951375][   T12]  ? kthread (kernel/kthread.c:436)
[   63.951377][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   63.951380][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   63.951385][   T12]  _printk (kernel/printk/printk.c:2504)
[   63.951388][   T12]  ? snapshot_read.cold (user.c:?)
[   63.951393][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.951396][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.951400][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.951403][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   63.951408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.951409][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   63.951412][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   63.951414][   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)
[   63.951416][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   63.951420][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   63.951424][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   63.951430][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   63.951433][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   63.951437][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   63.951440][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   63.951444][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   63.951450][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.951453][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   63.951458][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   63.951461][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   63.951465][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.951467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.951470][   T12]  process_one_work (kernel/workqueue.c:3387)
[   63.951477][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   63.951480][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.951487][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   63.951494][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   63.951496][   T12]  kthread (kernel/kthread.c:436)
[   63.951498][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.951502][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   63.951505][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   63.951507][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   63.951511][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   63.951514][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   63.951517][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.311464][ T2297] softirqs last disabled at (17584): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   65.311467][ T2297] Preemption disabled at:
| [   65.311467][ T2297] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.311476][ T2297] Tainted: [W]=WARN
[   65.311477][ T2297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.311478][ T2297] Call Trace:
[   65.311479][ T2297]  <TASK>
[   65.311481][ T2297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.311487][ T2297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.311489][ T2297]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.311493][ T2297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.311497][ T2297]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.311501][ T2297]  __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))
[   65.311503][ T2297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.311509][ T2297]  ? 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)
[   65.311512][ T2297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.311516][ T2297]  put_chars (drivers/char/virtio_console.c:1176)
[   65.311518][ T2297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.311524][ T2297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.311532][ T2297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.311535][ T2297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.311539][ T2297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.311543][ T2297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.311547][ T2297]  ? 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))
[   65.311551][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311553][ T2297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.311557][ T2297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.311561][ T2297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.311563][ T2297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.311568][ T2297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.311571][ T2297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.311573][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311575][ T2297]  ? 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)
[   65.311578][ T2297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.311580][ T2297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.311583][ T2297]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.311586][ T2297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.311588][ T2297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.311589][ T2297]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   65.311591][ T2297]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   65.311595][ T2297]  _printk (kernel/printk/printk.c:2504)
[   65.311598][ T2297]  ? snapshot_read.cold (user.c:?)
[   65.311600][ T2297]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.311603][ T2297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.311605][ T2297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.311607][ T2297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.311611][ T2297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.311614][ T2297]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.311616][ T2297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.311619][ T2297]  ? netdev_notice (net/core/dev.c:13194)
[   65.311622][ T2297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.311624][ T2297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.311627][ T2297]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.311630][ T2297]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.311632][ T2297]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   65.311634][ T2297]  ? 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))
[   65.311639][ T2297]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   65.311642][ T2297]  ? __kernel_text_address (kernel/extable.c:79)
[   65.311644][ T2297]  ? write_profile (profile.c:?)
[   65.311648][ T2297]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   65.311654][ T2297]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.311657][ T2297]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.311659][ T2297]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.311661][ T2297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.311662][ T2297]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.311666][ T2297]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.311667][ T2297]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.311669][ T2297]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.311672][ T2297]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.311673][ T2297]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.311675][ T2297]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.311676][ T2297]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.311678][ T2297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.311680][ T2297]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   65.311683][ T2297]  ? ___sys_sendmsg (net/socket.c:2758)
[   65.311687][ T2297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.311689][ T2297]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.311691][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311693][ T2297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.311695][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311696][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311697][ T2297]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.311699][ T2297]  ? __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)
[   65.311702][ T2297]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.311704][ T2297]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.311707][ T2297]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.311708][ T2297]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.311713][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311715][ T2297]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.311721][ T2297]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.311726][ T2297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.311728][ T2297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.311732][ T2297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.311734][ T2297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.311736][ T2297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.311738][ T2297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.311741][ T2297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.311743][ T2297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.311746][ T2297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.311748][ T2297]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.311752][ T2297]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.311754][ T2297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.311757][ T2297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.311760][ T2297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.311763][ T2297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.311769][ T2297]  ? 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))
[   65.311771][ T2297]  ? 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))
[   65.311776][ T2297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.311780][ T2297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.311782][ T2297]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.311786][ T2297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.311790][ T2297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.311794][ T2297]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.311796][ T2297]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.311801][ T2297]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.311803][ T2297]  ____sys_sendmsg (net/socket.c:2713)
[   65.311806][ T2297]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.311808][ T2297]  ? sock_write_iter (net/socket.c:1269)
[   65.311810][ T2297]  ? move_addr_to_kernel (net/socket.c:258)
[   65.311817][ T2297]  ___sys_sendmsg (net/socket.c:2767)
[   65.311819][ T2297]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.311835][ T2297]  __sys_sendmsg (net/socket.c:2799)
[   65.311838][ T2297]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.311844][ T2297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.311847][ T2297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.311850][ T2297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.311852][ T2297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.311855][ T2297] RIP: 0033:0x7f6e8572d54e
[   65.311859][ T2297] 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
[   65.311860][ T2297] RSP: 002b:00007fff89f53a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.311863][ T2297] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e8572d54e
[   65.311864][ T2297] RDX: 0000000000000000 RSI: 00007fff89f53ad0 RDI: 0000000000000005
[   65.311865][ T2297] RBP: 00007fff89f53a30 R08: 0000000000000000 R09: 0000000000000000
[   65.311866][ T2297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e30
[   65.311867][ T2297] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff89f541a0
| [   77.098301][ T2602] softirqs last disabled at (22857): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   77.098303][ T2602] Preemption disabled at:
| [   77.098304][ T2602] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.098312][ T2602] Tainted: [W]=WARN
[   77.098313][ T2602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.098315][ T2602] Call Trace:
[   77.098316][ T2602]  <TASK>
[   77.098318][ T2602]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.098323][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.098325][ T2602]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.098329][ T2602]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.098334][ T2602]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.098338][ T2602]  __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))
[   77.098339][ T2602]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.098346][ T2602]  ? 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)
[   77.098348][ T2602]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.098352][ T2602]  put_chars (drivers/char/virtio_console.c:1176)
[   77.098354][ T2602]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.098356][ T2602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.098359][ T2602]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.098364][ T2602]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.098371][ T2602]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.098374][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098376][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.098380][ T2602]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.098384][ T2602]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.098385][ T2602]  ? 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))
[   77.098389][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098390][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.098394][ T2602]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.098398][ T2602]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.098400][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.098405][ T2602]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.098408][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.098410][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098411][ T2602]  ? 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)
[   77.098415][ T2602]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.098417][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.098419][ T2602]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.098422][ T2602]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.098424][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.098427][ T2602]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   77.098430][ T2602]  _printk (kernel/printk/printk.c:2504)
[   77.098434][ T2602]  ? snapshot_read.cold (user.c:?)
[   77.098438][ T2602]  ? br_multicast_flood (??:?)
[   77.098441][ T2602]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   77.098442][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.098444][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.098448][ T2602]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   77.098452][ T2602]  br_init_port (net/bridge/br_stp_if.c:39)
[   77.098455][ T2602]  new_nbp (net/bridge/br_if.c:449)
[   77.098458][ T2602]  br_add_if (net/bridge/br_if.c:592)
[   77.098461][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.098464][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   77.098469][ T2602]  do_set_master (net/core/rtnetlink.c:3071)
[   77.098473][ T2602]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   77.098476][ T2602]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.098479][ T2602]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.098481][ T2602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.098483][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.098487][ T2602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.098489][ T2602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.098490][ T2602]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.098493][ T2602]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.098495][ T2602]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.098496][ T2602]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.098497][ T2602]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.098500][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.098501][ T2602]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   77.098505][ T2602]  ? ___sys_sendmsg (net/socket.c:2758)
[   77.098508][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.098510][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.098513][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098514][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.098516][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098517][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098519][ T2602]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.098521][ T2602]  ? __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)
[   77.098528][ T2602]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.098530][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.098533][ T2602]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.098534][ T2602]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.098539][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098541][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.098548][ T2602]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.098554][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.098555][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.098560][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.098562][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.098564][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.098566][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.098569][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.098571][ T2602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.098574][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.098576][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.098580][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.098582][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.098585][ T2602]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.098589][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.098591][ T2602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.098598][ T2602]  ? 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))
[   77.098600][ T2602]  ? 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))
[   77.098604][ T2602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.098608][ T2602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.098611][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.098615][ T2602]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.098619][ T2602]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.098623][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.098624][ T2602]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   77.098630][ T2602]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.098633][ T2602]  ____sys_sendmsg (net/socket.c:2713)
[   77.098635][ T2602]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.098637][ T2602]  ? sock_write_iter (net/socket.c:1269)
[   77.098639][ T2602]  ? move_addr_to_kernel (net/socket.c:258)
[   77.098646][ T2602]  ___sys_sendmsg (net/socket.c:2767)
[   77.098648][ T2602]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.098664][ T2602]  __sys_sendmsg (net/socket.c:2799)
[   77.098667][ T2602]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.098673][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.098676][ T2602]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.098679][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.098682][ T2602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.098684][ T2602] RIP: 0033:0x7f330da3a54e
[   77.098687][ T2602] 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
[   77.098689][ T2602] RSP: 002b:00007ffe9bf21570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.098692][ T2602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f330da3a54e
[   77.098693][ T2602] RDX: 0000000000000000 RSI: 00007ffe9bf21620 RDI: 0000000000000005
[   77.098694][ T2602] RBP: 00007ffe9bf21580 R08: 0000000000000000 R09: 0000000000000000
[   77.098695][ T2602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e3c
[   77.098695][ T2602] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9bf21cf0
| [   78.462512][ T2687] softirqs last disabled at (15980): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   78.462514][ T2687] Preemption disabled at:
| [   78.462515][ T2687] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.462522][ T2687] Tainted: [W]=WARN
[   78.462524][ T2687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.462525][ T2687] Call Trace:
[   78.462527][ T2687]  <TASK>
[   78.462528][ T2687]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.462538][ T2687]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.462540][ T2687]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.462546][ T2687]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.462550][ T2687]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.462555][ T2687]  __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))
[   78.462557][ T2687]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.462563][ T2687]  ? 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)
[   78.462566][ T2687]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.462570][ T2687]  put_chars (drivers/char/virtio_console.c:1176)
[   78.462572][ T2687]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.462573][ T2687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.462577][ T2687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.462582][ T2687]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.462589][ T2687]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.462592][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462594][ T2687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.462598][ T2687]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.462601][ T2687]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.462603][ T2687]  ? 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))
[   78.462606][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462608][ T2687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.462612][ T2687]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.462616][ T2687]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.462618][ T2687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.462623][ T2687]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.462626][ T2687]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.462628][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462630][ T2687]  ? 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)
[   78.462633][ T2687]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.462635][ T2687]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.462638][ T2687]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.462641][ T2687]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.462643][ T2687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.462645][ T2687]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   78.462649][ T2687]  _printk (kernel/printk/printk.c:2504)
[   78.462653][ T2687]  ? snapshot_read.cold (user.c:?)
[   78.462656][ T2687]  ? br_multicast_flood (??:?)
[   78.462660][ T2687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   78.462661][ T2687]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.462662][ T2687]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.462666][ T2687]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   78.462671][ T2687]  br_init_port (net/bridge/br_stp_if.c:39)
[   78.462673][ T2687]  new_nbp (net/bridge/br_if.c:449)
[   78.462677][ T2687]  br_add_if (net/bridge/br_if.c:592)
[   78.462679][ T2687]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   78.462683][ T2687]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   78.462688][ T2687]  do_set_master (net/core/rtnetlink.c:3071)
[   78.462691][ T2687]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   78.462694][ T2687]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   78.462698][ T2687]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   78.462699][ T2687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.462702][ T2687]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.462705][ T2687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.462707][ T2687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.462709][ T2687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.462712][ T2687]  ? kasan_save_stack (mm/kasan/common.c:58)
[   78.462714][ T2687]  ? kasan_save_stack (mm/kasan/common.c:57)
[   78.462715][ T2687]  ? kasan_save_track (mm/kasan/common.c:78)
[   78.462716][ T2687]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   78.462719][ T2687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.462721][ T2687]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   78.462723][ T2687]  ? ___sys_sendmsg (net/socket.c:2758)
[   78.462727][ T2687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.462729][ T2687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.462732][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462733][ T2687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.462735][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462736][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462738][ T2687]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   78.462740][ T2687]  ? __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)
[   78.462743][ T2687]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   78.462744][ T2687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.462748][ T2687]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   78.462749][ T2687]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.462754][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462756][ T2687]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   78.462761][ T2687]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.462766][ T2687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.462768][ T2687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.462773][ T2687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.462775][ T2687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.462777][ T2687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.462779][ T2687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.462782][ T2687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.462784][ T2687]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.462787][ T2687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.462789][ T2687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.462793][ T2687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.462795][ T2687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.462799][ T2687]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.462802][ T2687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.462805][ T2687]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.462811][ T2687]  ? 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))
[   78.462813][ T2687]  ? 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))
[   78.462817][ T2687]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.462821][ T2687]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.462824][ T2687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.462828][ T2687]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.462832][ T2687]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.462836][ T2687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.462837][ T2687]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   78.462842][ T2687]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.462845][ T2687]  ____sys_sendmsg (net/socket.c:2713)
[   78.462847][ T2687]  ? copy_msghdr_from_user (net/socket.c:2650)
[   78.462850][ T2687]  ? sock_write_iter (net/socket.c:1269)
[   78.462851][ T2687]  ? move_addr_to_kernel (net/socket.c:258)
[   78.462858][ T2687]  ___sys_sendmsg (net/socket.c:2767)
[   78.462861][ T2687]  ? copy_msghdr_from_user (net/socket.c:2619)
[   78.462876][ T2687]  __sys_sendmsg (net/socket.c:2799)
[   78.462879][ T2687]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   78.462885][ T2687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.462888][ T2687]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.462891][ T2687]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.462894][ T2687]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.462896][ T2687] RIP: 0033:0x7fba5fc0a54e
[   78.462900][ T2687] 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
[   78.462902][ T2687] RSP: 002b:00007fff571bd760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.462904][ T2687] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba5fc0a54e
[   78.462906][ T2687] RDX: 0000000000000000 RSI: 00007fff571bd810 RDI: 0000000000000005
[   78.462907][ T2687] RBP: 00007fff571bd770 R08: 0000000000000000 R09: 0000000000000000
[   78.462907][ T2687] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e3d
[   78.462908][ T2687] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff571bdee0
| [   78.495935][    C0]
| [   78.495935][    C0]
| [   78.495935][    C0] stack backtrace:
| [   78.495941][    C0] Tainted: [W]=WARN
[   78.495942][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.495943][    C0] Call Trace:
[   78.495944][    C0]  <IRQ>
[   78.495945][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.495949][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   78.495951][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   78.495953][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   78.495956][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   78.495958][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   78.495959][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   78.495961][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.495963][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   78.495965][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.495967][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.495969][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   78.495970][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   78.495972][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   78.495974][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.495976][    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))
[   78.495977][    C0]  _printk (kernel/printk/printk.c:2504)
[   78.495979][    C0]  ? snapshot_read.cold (user.c:?)
[   78.495981][    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))
[   78.495982][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.495985][    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))
[   78.495986][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   78.495988][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   78.495989][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   78.495991][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   78.495993][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   78.495995][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.495997][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.495999][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.496000][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   78.496002][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   78.496004][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   78.496006][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.496009][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   78.496011][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   78.496013][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   78.496015][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.496018][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.496019][    C0]  handle_softirqs (kernel/softirq.c:645)
[   78.496021][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.496022][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   78.496025][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   78.496026][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   78.496028][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   78.496029][    C0]  </IRQ>
[   78.496030][    C0]  <TASK>
[   78.496030][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   78.496032][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   78.496033][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   78.496035][    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
[   78.496037][    C0] RSP: 0018:ffffffff9ba07cf8 EFLAGS: 00000296
[   78.496038][    C0] RAX: 00000000004d8d47 RBX: ffffffff9ba30600 RCX: ffffffff98106247
[   78.496040][    C0] RDX: ffffffff9ba30600 RSI: ffffffff9b311027 RDI: ffffffff9ac949e0
[   78.496040][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   78.496041][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff3740fa2
[   78.496042][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   78.496044][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   78.496047][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   78.496048][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   78.496049][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   78.496051][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   78.496052][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   78.496054][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   78.496057][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.496058][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.496059][    C0]  do_idle (kernel/sched/idle.c:355)
[   78.496061][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   78.496062][    C0]  rest_init (init/main.c:727)
[   78.496064][    C0]  ? __cpuidle_text_end (??:?)
[   78.496067][    C0]  ? rest_init (init/main.c:727)
[   78.496068][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   78.496071][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   78.496073][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   78.496075][    C0]  start_kernel (init/main.c:1185)
[   78.496077][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   78.496078][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   78.496080][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   79.531479][ T2788] softirqs last disabled at (0): 0x0
| [   79.531480][ T2788] Preemption disabled at:
| [   79.531481][ T2788] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.531491][ T2788] Tainted: [W]=WARN
[   79.531492][ T2788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.531494][ T2788] Call Trace:
[   79.531495][ T2788]  <TASK>
[   79.531496][ T2788]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.531502][ T2788]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.531503][ T2788]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.531507][ T2788]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.531510][ T2788]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   79.531513][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531516][ T2788]  __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))
[   79.531518][ T2788]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.531521][ T2788]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.531526][ T2788]  ? 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)
[   79.531528][ T2788]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.531530][ T2788]  put_chars (drivers/char/virtio_console.c:1176)
[   79.531532][ T2788]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.531533][ T2788]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   79.531541][ T2788]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.531548][ T2788]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.531549][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531551][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531553][ T2788]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.531556][ T2788]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.531558][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531559][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531560][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531561][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531562][ T2788]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   79.531564][ T2788]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.531566][ T2788]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.531569][ T2788]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.531571][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531572][ T2788]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.531574][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531575][ T2788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.531577][ T2788]  ? 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)
[   79.531578][ T2788]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   79.531579][ T2788]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.531581][ T2788]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.531583][ T2788]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.531584][ T2788]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.531585][ T2788]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.531587][ T2788]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.531590][ T2788]  _printk (kernel/printk/printk.c:2504)
[   79.531593][ T2788]  ? snapshot_read.cold (user.c:?)
[   79.531595][ T2788]  ? br_multicast_flood (??:?)
[   79.531599][ T2788]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   79.531602][ T2788]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.531603][ T2788]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.531604][ T2788]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   79.531607][ T2788]  br_init_port (net/bridge/br_stp_if.c:39)
[   79.531609][ T2788]  new_nbp (net/bridge/br_if.c:449)
[   79.531611][ T2788]  br_add_if (net/bridge/br_if.c:592)
[   79.531613][ T2788]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   79.531616][ T2788]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.531617][ T2788]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.531620][ T2788]  do_set_master (net/core/rtnetlink.c:3071)
[   79.531622][ T2788]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   79.531623][ T2788]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   79.531625][ T2788]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   79.531626][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531627][ T2788]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.531630][ T2788]  ? kasan_save_stack (mm/kasan/common.c:58)
[   79.531632][ T2788]  ? kasan_save_stack (mm/kasan/common.c:57)
[   79.531633][ T2788]  ? kasan_save_track (mm/kasan/common.c:78)
[   79.531635][ T2788]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.531636][ T2788]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   79.531637][ T2788]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   79.531638][ T2788]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.531639][ T2788]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.531642][ T2788]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.531643][ T2788]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.531644][ T2788]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.531647][ T2788]  ? ____sys_sendmsg (net/socket.c:2713)
[   79.531648][ T2788]  ? ___sys_sendmsg (net/socket.c:2767)
[   79.531650][ T2788]  ? __sys_sendmsg (net/socket.c:2799)
[   79.531651][ T2788]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.531654][ T2788]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.531657][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531658][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531659][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531660][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531661][ T2788]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   79.531663][ T2788]  ? __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)
[   79.531664][ T2788]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.531665][ T2788]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.531667][ T2788]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   79.531668][ T2788]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.531671][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531672][ T2788]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   79.531674][ T2788]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.531676][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531677][ T2788]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.531678][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531679][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531681][ T2788]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   79.531682][ T2788]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.531683][ T2788]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.531684][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531685][ T2788]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   79.531688][ T2788]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   79.531691][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531692][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531693][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531695][ T2788]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.531696][ T2788]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.531697][ T2788]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.531699][ T2788]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.531700][ T2788]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.531702][ T2788]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.531704][ T2788]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.531705][ T2788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.531707][ T2788]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.531708][ T2788]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   79.531711][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531712][ T2788]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.531714][ T2788]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.531716][ T2788]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.531718][ T2788]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.531720][ T2788]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.531722][ T2788]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.531724][ T2788]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.531725][ T2788]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.531727][ T2788]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   79.531730][ T2788]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.531731][ T2788]  ____sys_sendmsg (net/socket.c:2713)
[   79.531733][ T2788]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.531735][ T2788]  ? sock_write_iter (net/socket.c:1269)
[   79.531736][ T2788]  ? move_addr_to_kernel (net/socket.c:258)
[   79.531738][ T2788]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.531740][ T2788]  ___sys_sendmsg (net/socket.c:2767)
[   79.531742][ T2788]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.531747][ T2788]  __sys_sendmsg (net/socket.c:2799)
[   79.531748][ T2788]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.531751][ T2788]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.531752][ T2788]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.531754][ T2788]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.531756][ T2788]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.531757][ T2788] RIP: 0033:0x7f9ebf87a54e
[   79.531759][ T2788] 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
[   79.531761][ T2788] RSP: 002b:00007ffe7dd5e000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.531765][ T2788] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9ebf87a54e
[   79.531766][ T2788] RDX: 0000000000000000 RSI: 00007ffe7dd5e0b0 RDI: 0000000000000005
[   79.531767][ T2788] RBP: 00007ffe7dd5e010 R08: 0000000000000000 R09: 0000000000000000
[   79.531768][ T2788] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e3e
[   79.531769][ T2788] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7dd5e780
| [   80.920427][   T12] softirqs last disabled at (1035293): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   80.920429][   T12] Preemption disabled at:
| [   80.920430][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.920439][   T12] Tainted: [W]=WARN
[   80.920440][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.920442][   T12] Workqueue: netns cleanup_net
[   80.920447][   T12] Call Trace:
[   80.920449][   T12]  <TASK>
[   80.920450][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.920456][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.920457][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.920460][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   80.920462][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.920465][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920468][   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))
[   80.920470][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.920473][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.920478][   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)
[   80.920480][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.920482][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   80.920484][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.920485][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.920488][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.920492][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.920494][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   80.920496][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.920498][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920500][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.920503][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.920505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920506][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920507][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920508][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.920510][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.920512][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.920514][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.920517][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.920518][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.920520][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.920522][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920522][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.920524][   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)
[   80.920525][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   80.920527][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.920529][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.920530][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.920532][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.920533][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   80.920534][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   80.920537][   T12]  ? kthread (kernel/kthread.c:436)
[   80.920539][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   80.920542][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   80.920550][   T12]  _printk (kernel/printk/printk.c:2504)
[   80.920553][   T12]  ? snapshot_read.cold (user.c:?)
[   80.920556][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.920559][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.920561][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.920563][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   80.920565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920566][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   80.920568][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.920570][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   80.920572][   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)
[   80.920573][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   80.920575][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   80.920578][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   80.920581][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   80.920584][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   80.920586][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   80.920588][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   80.920590][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   80.920593][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   80.920594][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   80.920596][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.920598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.920599][   T12]  process_one_work (kernel/workqueue.c:3387)
[   80.920602][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   80.920604][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.920607][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   80.920610][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   80.920611][   T12]  kthread (kernel/kthread.c:436)
[   80.920613][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.920614][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   80.920616][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   80.920618][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   80.920620][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   80.920622][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   80.920624][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   93.215708][ T3338] softirqs last disabled at (0): 0x0
| [   93.215710][ T3338] Preemption disabled at:
| [   93.215710][ T3338] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.215720][ T3338] Tainted: [W]=WARN
[   93.215721][ T3338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.215722][ T3338] Call Trace:
[   93.215723][ T3338]  <TASK>
[   93.215725][ T3338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.215730][ T3338]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.215731][ T3338]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.215735][ T3338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.215738][ T3338]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   93.215742][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215744][ T3338]  __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))
[   93.215746][ T3338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.215749][ T3338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.215754][ T3338]  ? 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)
[   93.215756][ T3338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.215758][ T3338]  put_chars (drivers/char/virtio_console.c:1176)
[   93.215760][ T3338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.215761][ T3338]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.215764][ T3338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.215769][ T3338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.215770][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215772][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215774][ T3338]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.215777][ T3338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.215779][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215780][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215780][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215781][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215783][ T3338]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.215785][ T3338]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.215787][ T3338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.215790][ T3338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.215791][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215793][ T3338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.215795][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215795][ T3338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.215797][ T3338]  ? 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)
[   93.215798][ T3338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   93.215800][ T3338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.215802][ T3338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.215803][ T3338]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.215804][ T3338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.215805][ T3338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.215807][ T3338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.215810][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215811][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215813][ T3338]  _printk (kernel/printk/printk.c:2504)
[   93.215816][ T3338]  ? snapshot_read.cold (user.c:?)
[   93.215818][ T3338]  ? br_multicast_flood (??:?)
[   93.215821][ T3338]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   93.215823][ T3338]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.215824][ T3338]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.215826][ T3338]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   93.215828][ T3338]  br_init_port (net/bridge/br_stp_if.c:39)
[   93.215830][ T3338]  new_nbp (net/bridge/br_if.c:449)
[   93.215832][ T3338]  br_add_if (net/bridge/br_if.c:592)
[   93.215834][ T3338]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   93.215836][ T3338]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.215837][ T3338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.215840][ T3338]  do_set_master (net/core/rtnetlink.c:3071)
[   93.215842][ T3338]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   93.215844][ T3338]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   93.215845][ T3338]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   93.215846][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215847][ T3338]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.215850][ T3338]  ? kasan_save_stack (mm/kasan/common.c:58)
[   93.215852][ T3338]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.215853][ T3338]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.215854][ T3338]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.215855][ T3338]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   93.215856][ T3338]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   93.215857][ T3338]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.215858][ T3338]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.215861][ T3338]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.215862][ T3338]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.215864][ T3338]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.215866][ T3338]  ? ____sys_sendmsg (net/socket.c:2713)
[   93.215868][ T3338]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.215869][ T3338]  ? __sys_sendmsg (net/socket.c:2799)
[   93.215870][ T3338]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.215873][ T3338]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.215876][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215877][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215878][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215879][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215880][ T3338]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   93.215882][ T3338]  ? __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)
[   93.215883][ T3338]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   93.215884][ T3338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.215886][ T3338]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   93.215887][ T3338]  ? nla_get_range_signed (lib/nlattr.c:270)
[   93.215890][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215891][ T3338]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   93.215893][ T3338]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.215895][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215896][ T3338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.215897][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215898][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215900][ T3338]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   93.215901][ T3338]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.215902][ T3338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.215903][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215904][ T3338]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   93.215907][ T3338]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   93.215909][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215910][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215912][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215913][ T3338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.215914][ T3338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.215916][ T3338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.215917][ T3338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.215918][ T3338]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.215920][ T3338]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.215922][ T3338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.215923][ T3338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.215925][ T3338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.215926][ T3338]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   93.215929][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215930][ T3338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.215932][ T3338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.215934][ T3338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.215936][ T3338]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.215937][ T3338]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.215939][ T3338]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.215941][ T3338]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.215942][ T3338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.215944][ T3338]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   93.215947][ T3338]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.215948][ T3338]  ____sys_sendmsg (net/socket.c:2713)
[   93.215950][ T3338]  ? copy_msghdr_from_user (net/socket.c:2650)
[   93.215952][ T3338]  ? sock_write_iter (net/socket.c:1269)
[   93.215953][ T3338]  ? move_addr_to_kernel (net/socket.c:258)
[   93.215954][ T3338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.215957][ T3338]  ___sys_sendmsg (net/socket.c:2767)
[   93.215958][ T3338]  ? copy_msghdr_from_user (net/socket.c:2619)
[   93.215963][ T3338]  __sys_sendmsg (net/socket.c:2799)
[   93.215965][ T3338]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   93.215967][ T3338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.215969][ T3338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.215970][ T3338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.215972][ T3338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.215974][ T3338] RIP: 0033:0x7f3afb9c954e
[   93.215976][ T3338] 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
[   93.215977][ T3338] RSP: 002b:00007ffce0fb8260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.215981][ T3338] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3afb9c954e
[   93.215982][ T3338] RDX: 0000000000000000 RSI: 00007ffce0fb8310 RDI: 0000000000000005
[   93.215983][ T3338] RBP: 00007ffce0fb8270 R08: 0000000000000000 R09: 0000000000000000
[   93.215984][ T3338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e4c
[   93.215984][ T3338] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce0fb89e0
| [   94.266043][ T3444] softirqs last disabled at (0): 0x0
| [   94.266044][ T3444] Preemption disabled at:
| [   94.266045][ T3444] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.266055][ T3444] Tainted: [W]=WARN
[   94.266056][ T3444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.266058][ T3444] Call Trace:
[   94.266059][ T3444]  <TASK>
[   94.266060][ T3444]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.266065][ T3444]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.266067][ T3444]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.266070][ T3444]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.266074][ T3444]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   94.266077][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266079][ T3444]  __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))
[   94.266082][ T3444]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.266085][ T3444]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.266089][ T3444]  ? 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)
[   94.266091][ T3444]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.266094][ T3444]  put_chars (drivers/char/virtio_console.c:1176)
[   94.266095][ T3444]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.266097][ T3444]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   94.266099][ T3444]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.266104][ T3444]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.266106][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266107][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266109][ T3444]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.266111][ T3444]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.266114][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266115][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266115][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266116][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266118][ T3444]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   94.266120][ T3444]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.266122][ T3444]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.266125][ T3444]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.266127][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266128][ T3444]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.266130][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266131][ T3444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.266132][ T3444]  ? 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)
[   94.266134][ T3444]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   94.266135][ T3444]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.266137][ T3444]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.266138][ T3444]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.266140][ T3444]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.266141][ T3444]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.266143][ T3444]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.266146][ T3444]  _printk (kernel/printk/printk.c:2504)
[   94.266149][ T3444]  ? snapshot_read.cold (user.c:?)
[   94.266151][ T3444]  ? br_multicast_flood (??:?)
[   94.266155][ T3444]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   94.266157][ T3444]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.266159][ T3444]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.266160][ T3444]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   94.266163][ T3444]  br_init_port (net/bridge/br_stp_if.c:39)
[   94.266165][ T3444]  new_nbp (net/bridge/br_if.c:449)
[   94.266167][ T3444]  br_add_if (net/bridge/br_if.c:592)
[   94.266169][ T3444]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   94.266171][ T3444]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.266173][ T3444]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.266175][ T3444]  do_set_master (net/core/rtnetlink.c:3071)
[   94.266177][ T3444]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   94.266179][ T3444]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   94.266180][ T3444]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   94.266181][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266182][ T3444]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.266186][ T3444]  ? kasan_save_stack (mm/kasan/common.c:58)
[   94.266187][ T3444]  ? kasan_save_stack (mm/kasan/common.c:57)
[   94.266188][ T3444]  ? kasan_save_track (mm/kasan/common.c:78)
[   94.266189][ T3444]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.266190][ T3444]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   94.266191][ T3444]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   94.266192][ T3444]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.266193][ T3444]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.266196][ T3444]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.266198][ T3444]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.266199][ T3444]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.266202][ T3444]  ? ____sys_sendmsg (net/socket.c:2713)
[   94.266203][ T3444]  ? ___sys_sendmsg (net/socket.c:2767)
[   94.266204][ T3444]  ? __sys_sendmsg (net/socket.c:2799)
[   94.266206][ T3444]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.266209][ T3444]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.266212][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266213][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266214][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266215][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266216][ T3444]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   94.266217][ T3444]  ? __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)
[   94.266219][ T3444]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   94.266220][ T3444]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.266222][ T3444]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   94.266223][ T3444]  ? nla_get_range_signed (lib/nlattr.c:270)
[   94.266226][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266227][ T3444]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   94.266229][ T3444]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.266231][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266232][ T3444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.266233][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266235][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266236][ T3444]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   94.266237][ T3444]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.266238][ T3444]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.266240][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266241][ T3444]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   94.266244][ T3444]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   94.266246][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266247][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266248][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266250][ T3444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.266251][ T3444]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.266252][ T3444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.266254][ T3444]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.266255][ T3444]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.266257][ T3444]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.266259][ T3444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.266260][ T3444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.266261][ T3444]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.266263][ T3444]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   94.266266][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266267][ T3444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.266269][ T3444]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.266271][ T3444]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.266273][ T3444]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.266274][ T3444]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.266276][ T3444]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.266278][ T3444]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.266279][ T3444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.266281][ T3444]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   94.266284][ T3444]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.266286][ T3444]  ____sys_sendmsg (net/socket.c:2713)
[   94.266287][ T3444]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.266289][ T3444]  ? sock_write_iter (net/socket.c:1269)
[   94.266290][ T3444]  ? move_addr_to_kernel (net/socket.c:258)
[   94.266292][ T3444]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.266294][ T3444]  ___sys_sendmsg (net/socket.c:2767)
[   94.266296][ T3444]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.266300][ T3444]  __sys_sendmsg (net/socket.c:2799)
[   94.266302][ T3444]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.266305][ T3444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.266306][ T3444]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.266308][ T3444]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.266310][ T3444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.266311][ T3444] RIP: 0033:0x7f2f49bbb54e
[   94.266313][ T3444] 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
[   94.266315][ T3444] RSP: 002b:00007ffff94f7690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.266318][ T3444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2f49bbb54e
[   94.266319][ T3444] RDX: 0000000000000000 RSI: 00007ffff94f7740 RDI: 0000000000000005
[   94.266320][ T3444] RBP: 00007ffff94f76a0 R08: 0000000000000000 R09: 0000000000000000
[   94.266321][ T3444] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e4d
[   94.266322][ T3444] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff94f7e10
| [   95.309304][ T3538] softirqs last disabled at (0): 0x0
| [   95.309305][ T3538] Preemption disabled at:
| [   95.309306][ T3538] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.309316][ T3538] Tainted: [W]=WARN
[   95.309317][ T3538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.309319][ T3538] Call Trace:
[   95.309320][ T3538]  <TASK>
[   95.309321][ T3538]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.309327][ T3538]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.309328][ T3538]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.309332][ T3538]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.309335][ T3538]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   95.309338][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309341][ T3538]  __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))
[   95.309343][ T3538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.309346][ T3538]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.309351][ T3538]  ? 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)
[   95.309352][ T3538]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.309355][ T3538]  put_chars (drivers/char/virtio_console.c:1176)
[   95.309357][ T3538]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.309358][ T3538]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   95.309361][ T3538]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.309365][ T3538]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.309367][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309368][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309370][ T3538]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.309373][ T3538]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.309375][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309376][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309377][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309378][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309379][ T3538]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   95.309381][ T3538]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.309383][ T3538]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.309386][ T3538]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.309388][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309389][ T3538]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.309391][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309392][ T3538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.309393][ T3538]  ? 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)
[   95.309395][ T3538]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   95.309396][ T3538]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.309398][ T3538]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.309399][ T3538]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.309401][ T3538]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.309402][ T3538]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.309404][ T3538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.309407][ T3538]  _printk (kernel/printk/printk.c:2504)
[   95.309410][ T3538]  ? snapshot_read.cold (user.c:?)
[   95.309412][ T3538]  ? br_multicast_flood (??:?)
[   95.309415][ T3538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   95.309418][ T3538]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   95.309419][ T3538]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.309421][ T3538]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   95.309424][ T3538]  br_init_port (net/bridge/br_stp_if.c:39)
[   95.309425][ T3538]  new_nbp (net/bridge/br_if.c:449)
[   95.309428][ T3538]  br_add_if (net/bridge/br_if.c:592)
[   95.309429][ T3538]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   95.309432][ T3538]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   95.309433][ T3538]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.309436][ T3538]  do_set_master (net/core/rtnetlink.c:3071)
[   95.309438][ T3538]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   95.309440][ T3538]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   95.309441][ T3538]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   95.309442][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309443][ T3538]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   95.309446][ T3538]  ? kasan_save_stack (mm/kasan/common.c:58)
[   95.309448][ T3538]  ? kasan_save_stack (mm/kasan/common.c:57)
[   95.309449][ T3538]  ? kasan_save_track (mm/kasan/common.c:78)
[   95.309450][ T3538]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   95.309451][ T3538]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   95.309452][ T3538]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   95.309453][ T3538]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.309454][ T3538]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.309457][ T3538]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.309458][ T3538]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.309460][ T3538]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.309463][ T3538]  ? ____sys_sendmsg (net/socket.c:2713)
[   95.309464][ T3538]  ? ___sys_sendmsg (net/socket.c:2767)
[   95.309465][ T3538]  ? __sys_sendmsg (net/socket.c:2799)
[   95.309467][ T3538]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.309470][ T3538]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.309472][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309473][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309475][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309476][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309477][ T3538]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   95.309479][ T3538]  ? __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)
[   95.309480][ T3538]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   95.309481][ T3538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   95.309483][ T3538]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   95.309484][ T3538]  ? nla_get_range_signed (lib/nlattr.c:270)
[   95.309487][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309488][ T3538]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   95.309490][ T3538]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   95.309492][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309493][ T3538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.309494][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309496][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309497][ T3538]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   95.309498][ T3538]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   95.309499][ T3538]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.309501][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309502][ T3538]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   95.309505][ T3538]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   95.309507][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309508][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309510][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309511][ T3538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.309512][ T3538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.309514][ T3538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.309515][ T3538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.309516][ T3538]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   95.309519][ T3538]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.309520][ T3538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.309521][ T3538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.309523][ T3538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.309524][ T3538]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   95.309527][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309528][ T3538]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.309531][ T3538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.309533][ T3538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.309534][ T3538]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.309536][ T3538]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.309538][ T3538]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.309540][ T3538]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.309541][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.309543][ T3538]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   95.309549][ T3538]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.309551][ T3538]  ____sys_sendmsg (net/socket.c:2713)
[   95.309552][ T3538]  ? copy_msghdr_from_user (net/socket.c:2650)
[   95.309554][ T3538]  ? sock_write_iter (net/socket.c:1269)
[   95.309555][ T3538]  ? move_addr_to_kernel (net/socket.c:258)
[   95.309557][ T3538]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.309559][ T3538]  ___sys_sendmsg (net/socket.c:2767)
[   95.309561][ T3538]  ? copy_msghdr_from_user (net/socket.c:2619)
[   95.309566][ T3538]  __sys_sendmsg (net/socket.c:2799)
[   95.309568][ T3538]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   95.309570][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.309572][ T3538]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.309573][ T3538]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.309575][ T3538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.309577][ T3538] RIP: 0033:0x7f790389654e
[   95.309579][ T3538] 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
[   95.309581][ T3538] RSP: 002b:00007fffdb284640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.309584][ T3538] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f790389654e
[   95.309585][ T3538] RDX: 0000000000000000 RSI: 00007fffdb2846f0 RDI: 0000000000000005
[   95.309586][ T3538] RBP: 00007fffdb284650 R08: 0000000000000000 R09: 0000000000000000
[   95.309587][ T3538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e4e
[   95.309588][ T3538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdb284dc0
| [   96.685009][ T3651] softirqs last disabled at (0): 0x0
| [   96.685011][ T3651] Preemption disabled at:
| [   96.685012][ T3651] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.685021][ T3651] Tainted: [W]=WARN
[   96.685022][ T3651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.685024][ T3651] Call Trace:
[   96.685025][ T3651]  <TASK>
[   96.685026][ T3651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.685032][ T3651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.685033][ T3651]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.685037][ T3651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.685040][ T3651]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   96.685043][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685046][ 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))
[   96.685048][ T3651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   96.685052][ T3651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.685056][ 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)
[   96.685058][ T3651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.685061][ T3651]  put_chars (drivers/char/virtio_console.c:1176)
[   96.685062][ T3651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.685064][ T3651]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   96.685066][ T3651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.685071][ T3651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.685072][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685074][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685076][ T3651]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.685079][ T3651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.685081][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685082][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685083][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685084][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685086][ T3651]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   96.685087][ T3651]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.685090][ T3651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.685092][ T3651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.685094][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685096][ T3651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.685097][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685098][ T3651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.685100][ 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)
[   96.685101][ T3651]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   96.685103][ T3651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.685105][ T3651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.685106][ T3651]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.685108][ T3651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.685109][ T3651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   96.685111][ T3651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.685113][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685115][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685116][ T3651]  _printk (kernel/printk/printk.c:2504)
[   96.685119][ T3651]  ? snapshot_read.cold (user.c:?)
[   96.685121][ T3651]  ? br_multicast_flood (??:?)
[   96.685124][ T3651]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   96.685127][ T3651]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.685128][ T3651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.685130][ T3651]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   96.685132][ T3651]  br_init_port (net/bridge/br_stp_if.c:39)
[   96.685134][ T3651]  new_nbp (net/bridge/br_if.c:449)
[   96.685136][ T3651]  br_add_if (net/bridge/br_if.c:592)
[   96.685138][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   96.685141][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   96.685142][ T3651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.685145][ T3651]  do_set_master (net/core/rtnetlink.c:3071)
[   96.685146][ T3651]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   96.685148][ T3651]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   96.685150][ T3651]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   96.685151][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685152][ T3651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   96.685155][ T3651]  ? kasan_save_stack (mm/kasan/common.c:58)
[   96.685157][ T3651]  ? kasan_save_stack (mm/kasan/common.c:57)
[   96.685158][ T3651]  ? kasan_save_track (mm/kasan/common.c:78)
[   96.685159][ T3651]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.685160][ T3651]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   96.685161][ T3651]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   96.685162][ T3651]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.685163][ T3651]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.685166][ T3651]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.685167][ T3651]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.685169][ T3651]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.685171][ T3651]  ? ____sys_sendmsg (net/socket.c:2713)
[   96.685172][ T3651]  ? ___sys_sendmsg (net/socket.c:2767)
[   96.685174][ T3651]  ? __sys_sendmsg (net/socket.c:2799)
[   96.685175][ T3651]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.685179][ T3651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.685181][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685182][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685183][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685184][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685186][ T3651]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   96.685187][ 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)
[   96.685189][ T3651]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   96.685190][ T3651]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.685191][ T3651]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   96.685192][ T3651]  ? nla_get_range_signed (lib/nlattr.c:270)
[   96.685196][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685197][ T3651]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   96.685199][ T3651]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.685201][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685202][ T3651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.685203][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685205][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685206][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   96.685207][ T3651]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   96.685208][ T3651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.685210][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685211][ T3651]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   96.685214][ T3651]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   96.685216][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685217][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685219][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685220][ T3651]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.685221][ T3651]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.685223][ T3651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.685224][ T3651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.685225][ T3651]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   96.685228][ T3651]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.685229][ T3651]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.685230][ T3651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.685232][ T3651]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.685234][ T3651]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   96.685236][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685238][ T3651]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.685239][ T3651]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.685242][ T3651]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.685243][ T3651]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.685245][ T3651]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.685247][ T3651]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.685249][ T3651]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.685250][ T3651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.685252][ T3651]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   96.685255][ T3651]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.685256][ T3651]  ____sys_sendmsg (net/socket.c:2713)
[   96.685258][ T3651]  ? copy_msghdr_from_user (net/socket.c:2650)
[   96.685259][ T3651]  ? sock_write_iter (net/socket.c:1269)
[   96.685261][ T3651]  ? move_addr_to_kernel (net/socket.c:258)
[   96.685262][ T3651]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.685265][ T3651]  ___sys_sendmsg (net/socket.c:2767)
[   96.685267][ T3651]  ? copy_msghdr_from_user (net/socket.c:2619)
[   96.685271][ T3651]  __sys_sendmsg (net/socket.c:2799)
[   96.685273][ T3651]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   96.685276][ T3651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.685277][ T3651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.685279][ T3651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.685281][ T3651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.685282][ T3651] RIP: 0033:0x7fa49e47b54e
[   96.685284][ 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
[   96.685286][ T3651] RSP: 002b:00007ffd3112aba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.685289][ T3651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa49e47b54e
[   96.685290][ T3651] RDX: 0000000000000000 RSI: 00007ffd3112ac50 RDI: 0000000000000005
[   96.685291][ T3651] RBP: 00007ffd3112abb0 R08: 0000000000000000 R09: 0000000000000000
[   96.685292][ T3651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e50
[   96.685293][ T3651] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3112b320
| [   97.743181][ T3756] softirqs last disabled at (0): 0x0
| [   97.743183][ T3756] Preemption disabled at:
| [   97.743184][ T3756] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.743194][ T3756] Tainted: [W]=WARN
[   97.743195][ T3756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.743197][ T3756] Call Trace:
[   97.743198][ T3756]  <TASK>
[   97.743199][ T3756]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.743205][ T3756]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.743206][ T3756]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.743210][ T3756]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.743213][ T3756]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   97.743217][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743220][ T3756]  __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))
[   97.743222][ T3756]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   97.743225][ T3756]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.743230][ T3756]  ? 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)
[   97.743232][ T3756]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.743234][ T3756]  put_chars (drivers/char/virtio_console.c:1176)
[   97.743236][ T3756]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.743237][ T3756]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   97.743240][ T3756]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.743245][ T3756]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.743246][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743248][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743250][ T3756]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.743253][ T3756]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.743255][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743256][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743256][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743258][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743259][ T3756]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   97.743261][ T3756]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.743263][ T3756]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.743266][ T3756]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.743268][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743270][ T3756]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.743271][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743272][ T3756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.743274][ T3756]  ? 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)
[   97.743275][ T3756]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   97.743277][ T3756]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.743279][ T3756]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.743280][ T3756]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.743282][ T3756]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.743283][ T3756]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   97.743284][ T3756]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   97.743288][ T3756]  _printk (kernel/printk/printk.c:2504)
[   97.743291][ T3756]  ? snapshot_read.cold (user.c:?)
[   97.743293][ T3756]  ? br_multicast_flood (??:?)
[   97.743296][ T3756]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   97.743299][ T3756]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.743300][ T3756]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.743302][ T3756]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   97.743305][ T3756]  br_init_port (net/bridge/br_stp_if.c:39)
[   97.743306][ T3756]  new_nbp (net/bridge/br_if.c:449)
[   97.743309][ T3756]  br_add_if (net/bridge/br_if.c:592)
[   97.743310][ T3756]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   97.743313][ T3756]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   97.743314][ T3756]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   97.743317][ T3756]  do_set_master (net/core/rtnetlink.c:3071)
[   97.743319][ T3756]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   97.743320][ T3756]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   97.743322][ T3756]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   97.743323][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743324][ T3756]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   97.743328][ T3756]  ? kasan_save_stack (mm/kasan/common.c:58)
[   97.743330][ T3756]  ? kasan_save_stack (mm/kasan/common.c:57)
[   97.743331][ T3756]  ? kasan_save_track (mm/kasan/common.c:78)
[   97.743332][ T3756]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   97.743333][ T3756]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   97.743334][ T3756]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   97.743335][ T3756]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.743336][ T3756]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.743339][ T3756]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.743340][ T3756]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.743342][ T3756]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.743345][ T3756]  ? ____sys_sendmsg (net/socket.c:2713)
[   97.743346][ T3756]  ? ___sys_sendmsg (net/socket.c:2767)
[   97.743347][ T3756]  ? __sys_sendmsg (net/socket.c:2799)
[   97.743349][ T3756]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.743352][ T3756]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.743354][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743356][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743357][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743358][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743359][ T3756]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   97.743360][ T3756]  ? __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)
[   97.743362][ T3756]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   97.743363][ T3756]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.743365][ T3756]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   97.743366][ T3756]  ? nla_get_range_signed (lib/nlattr.c:270)
[   97.743369][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743370][ T3756]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   97.743372][ T3756]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.743374][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743375][ T3756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.743377][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743378][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743379][ T3756]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   97.743381][ T3756]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   97.743382][ T3756]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   97.743383][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743384][ T3756]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   97.743387][ T3756]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   97.743389][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743390][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743392][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743393][ T3756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.743394][ T3756]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.743396][ T3756]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.743397][ T3756]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   97.743399][ T3756]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   97.743401][ T3756]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.743402][ T3756]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.743404][ T3756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.743405][ T3756]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.743407][ T3756]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   97.743410][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743411][ T3756]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.743413][ T3756]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.743415][ T3756]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.743417][ T3756]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.743419][ T3756]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.743421][ T3756]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.743422][ T3756]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   97.743424][ T3756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.743425][ T3756]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   97.743429][ T3756]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.743430][ T3756]  ____sys_sendmsg (net/socket.c:2713)
[   97.743432][ T3756]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.743434][ T3756]  ? sock_write_iter (net/socket.c:1269)
[   97.743435][ T3756]  ? move_addr_to_kernel (net/socket.c:258)
[   97.743436][ T3756]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   97.743439][ T3756]  ___sys_sendmsg (net/socket.c:2767)
[   97.743441][ T3756]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.743445][ T3756]  __sys_sendmsg (net/socket.c:2799)
[   97.743447][ T3756]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.743450][ T3756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.743451][ T3756]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.743453][ T3756]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.743455][ T3756]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.743456][ T3756] RIP: 0033:0x7f79232dd54e
[   97.743458][ T3756] 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
[   97.743460][ T3756] RSP: 002b:00007ffc886278d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.743464][ T3756] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f79232dd54e
[   97.743465][ T3756] RDX: 0000000000000000 RSI: 00007ffc88627980 RDI: 0000000000000005
[   97.743466][ T3756] RBP: 00007ffc886278e0 R08: 0000000000000000 R09: 0000000000000000
[   97.743467][ T3756] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916e51
[   97.743468][ T3756] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88628050
| [   98.781932][   T12] softirqs last disabled at (1035293): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   98.781935][   T12] Preemption disabled at:
| [   98.781936][   T12] 0x0
| [   98.781945][   T12] Tainted: [W]=WARN
[   98.781946][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.781947][   T12] Workqueue: netns cleanup_net
[   98.781953][   T12] Call Trace:
[   98.781954][   T12]  <TASK>
[   98.781956][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.781962][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.781965][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.781968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.781971][   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))
[   98.781974][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.781977][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.781981][   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)
[   98.781983][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.781986][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   98.781987][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.781988][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   98.781991][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   98.781993][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.781998][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.781999][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.782001][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.782004][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.782006][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.782008][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782010][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782011][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.782013][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   98.782015][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.782017][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.782020][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.782021][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.782023][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.782025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782026][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.782027][   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)
[   98.782029][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   98.782030][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.782032][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.782033][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.782035][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.782036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782037][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.782040][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   98.782042][   T12]  _printk (kernel/printk/printk.c:2504)
[   98.782045][   T12]  ? snapshot_read.cold (user.c:?)
[   98.782047][   T12]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   98.782051][   T12]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   98.782054][   T12]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   98.782056][   T12]  br_device_event (net/bridge/br.c:111)
[   98.782058][   T12]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   98.782060][   T12]  ? packet_sendmsg_spkt (af_packet.c:?)
[   98.782062][   T12]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   98.782065][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   98.782068][   T12]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   98.782071][   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)
[   98.782073][   T12]  ? __dev_close_many (net/core/dev.c:1804)
[   98.782074][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   98.782077][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   98.782079][   T12]  ? vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4537) vxlan
[   98.782085][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   98.782087][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782089][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.782091][   T12] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4729 drivers/net/vxlan/vxlan_core.c:4739) vxlan
[   98.782094][   T12]  ? vxlan_exit_rtnl (drivers/net/vxlan/vxlan_core.c:4926 drivers/net/vxlan/vxlan_core.c:4938) vxlan
[   98.782097][   T12]  ? netconsole_netdev_event (drivers/net/netconsole.c:722 drivers/net/netconsole.c:1992)
[   98.782101][   T12]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   98.782102][   T12]  notifier_call_chain (kernel/notifier.c:85)
[   98.782104][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   98.782106][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   98.782108][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[   98.782110][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   98.782111][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   98.782113][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.782115][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   98.782116][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.782118][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.782120][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   98.782122][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.782124][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.782127][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   98.782129][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.782131][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.782132][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.782134][   T12]  process_one_work (kernel/workqueue.c:3387)
[   98.782138][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   98.782140][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.782142][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.782145][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.782147][   T12]  kthread (kernel/kthread.c:436)
[   98.782149][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.782150][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.782152][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.782155][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   98.782157][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.782160][   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
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