======================================
| [   12.375534][  T266] softirqs last disabled at (23756): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   12.375536][  T266] Preemption disabled at:
| [   12.375537][  T266] 0x0
| [   12.375547][  T266] Tainted: [W]=WARN
[   12.375548][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.375550][  T266] Call Trace:
[   12.375552][  T266]  <TASK>
[   12.375553][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.375560][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.375564][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.375568][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.375573][  T266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.375575][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.375581][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.375584][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.375587][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   12.375590][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.375591][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.375595][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.375600][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.375608][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.375611][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.375613][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.375617][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.375621][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.375622][  T266]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.375626][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.375627][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.375631][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.375635][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.375637][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.375643][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.375645][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.375647][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.375649][  T266]  ? 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)
[   12.375652][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.375654][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.375657][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.375660][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.375663][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.375667][  T266]  _printk (kernel/printk/printk.c:2504)
[   12.375670][  T266]  ? snapshot_read.cold (user.c:?)
[   12.375673][  T266]  ? 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)
[   12.375676][  T266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.375679][  T266]  ? 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)
[   12.375682][  T266]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.375686][  T266]  ? exit_notify (kernel/exit.c:780)
[   12.375687][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.375690][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.375693][  T266]  do_group_exit (kernel/exit.c:1151)
[   12.375696][  T266]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.375698][  T266]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.375700][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.375704][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.375707][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.375709][  T266] RIP: 0033:0x7f3b3df591b8
[   12.375712][  T266] Code: Unable to access opcode bytes at 0x7f3b3df5918e.

Code starting with the faulting instruction
===========================================
[   12.375713][  T266] RSP: 002b:00007ffe47c11168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.375715][  T266] RAX: ffffffffffffffda RBX: 00007f3b3e089f88 RCX: 00007f3b3df591b8
[   12.375717][  T266] RDX: 00007f3b3dca3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   12.375718][  T266] RBP: 00007ffe47c111c0 R08: 0000000000000000 R09: 0000000000000050
[   12.375718][  T266] R10: 00007ffe47c10f80 R11: 0000000000000246 R12: 0000000000000001
[   12.375719][  T266] R13: 0000000000000000 R14: 00007f3b3e088680 R15: 00007f3b3e089fa0
| [   24.695584][  T537] softirqs last disabled at (17986): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   24.695587][  T537] Preemption disabled at:
| [   24.695588][  T537] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.695596][  T537] Tainted: [W]=WARN
[   24.695597][  T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.695599][  T537] Call Trace:
[   24.695600][  T537]  <TASK>
[   24.695602][  T537]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.695608][  T537]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.695610][  T537]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.695614][  T537]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.695618][  T537]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.695623][  T537]  __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))
[   24.695625][  T537]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.695631][  T537]  ? 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)
[   24.695634][  T537]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.695638][  T537]  put_chars (drivers/char/virtio_console.c:1176)
[   24.695640][  T537]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.695641][  T537]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.695645][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.695650][  T537]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.695658][  T537]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.695660][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695662][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.695666][  T537]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.695670][  T537]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.695672][  T537]  ? 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))
[   24.695675][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695677][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.695680][  T537]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.695685][  T537]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.695686][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.695692][  T537]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.695694][  T537]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.695696][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695698][  T537]  ? 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)
[   24.695701][  T537]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.695703][  T537]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.695706][  T537]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.695709][  T537]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.695711][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.695712][  T537]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   24.695717][  T537]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.695720][  T537]  _printk (kernel/printk/printk.c:2504)
[   24.695724][  T537]  ? snapshot_read.cold (user.c:?)
[   24.695727][  T537]  ? br_multicast_flood (??:?)
[   24.695731][  T537]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.695732][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.695733][  T537]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.695737][  T537]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.695741][  T537]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.695744][  T537]  new_nbp (net/bridge/br_if.c:449)
[   24.695748][  T537]  br_add_if (net/bridge/br_if.c:592)
[   24.695750][  T537]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.695754][  T537]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.695759][  T537]  do_set_master (net/core/rtnetlink.c:3071)
[   24.695762][  T537]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.695769][  T537]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.695773][  T537]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.695774][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.695777][  T537]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.695780][  T537]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.695782][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.695784][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.695786][  T537]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.695789][  T537]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.695790][  T537]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.695791][  T537]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.695794][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.695796][  T537]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.695798][  T537]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.695802][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.695804][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.695807][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695808][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.695810][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695811][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695813][  T537]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.695815][  T537]  ? __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)
[   24.695816][  T537]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.695818][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.695821][  T537]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.695823][  T537]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.695828][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695830][  T537]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.695835][  T537]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.695840][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.695842][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.695846][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.695848][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.695850][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.695852][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.695856][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.695858][  T537]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.695861][  T537]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.695862][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.695867][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.695868][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.695872][  T537]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.695875][  T537]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.695878][  T537]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.695884][  T537]  ? 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))
[   24.695886][  T537]  ? 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))
[   24.695890][  T537]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.695894][  T537]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.695897][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.695901][  T537]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.695905][  T537]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.695909][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.695910][  T537]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.695915][  T537]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.695918][  T537]  ____sys_sendmsg (net/socket.c:2713)
[   24.695920][  T537]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.695923][  T537]  ? sock_write_iter (net/socket.c:1269)
[   24.695924][  T537]  ? move_addr_to_kernel (net/socket.c:258)
[   24.695931][  T537]  ___sys_sendmsg (net/socket.c:2767)
[   24.695934][  T537]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.695950][  T537]  __sys_sendmsg (net/socket.c:2799)
[   24.695952][  T537]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.695959][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.695961][  T537]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.695964][  T537]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.695967][  T537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.695969][  T537] RIP: 0033:0x7fc5cb74854e
[   24.695973][  T537] 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
[   24.695975][  T537] RSP: 002b:00007ffe451fd160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.695978][  T537] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc5cb74854e
[   24.695979][  T537] RDX: 0000000000000000 RSI: 00007ffe451fd210 RDI: 0000000000000005
[   24.695980][  T537] RBP: 00007ffe451fd170 R08: 0000000000000000 R09: 0000000000000000
[   24.695981][  T537] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159bd
[   24.695981][  T537] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe451fd8e0
| [   26.669418][  T620] softirqs last disabled at (19350): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   26.669421][  T620] Preemption disabled at:
| [   26.669422][  T620] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.669434][  T620] Tainted: [W]=WARN
[   26.669435][  T620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.669438][  T620] Call Trace:
[   26.669440][  T620]  <TASK>
[   26.669442][  T620]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.669450][  T620]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.669453][  T620]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.669459][  T620]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.669465][  T620]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.669472][  T620]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.669475][  T620]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.669485][  T620]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.669489][  T620]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.669495][  T620]  put_chars (drivers/char/virtio_console.c:1176)
[   26.669500][  T620]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.669502][  T620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.669508][  T620]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.669520][  T620]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.669532][  T620]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.669536][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669539][  T620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.669546][  T620]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.669553][  T620]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.669556][  T620]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.669561][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669565][  T620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.669572][  T620]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.669579][  T620]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.669582][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.669591][  T620]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.669596][  T620]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.669599][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669602][  T620]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.669609][  T620]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.669611][  T620]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.669616][  T620]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.669622][  T620]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.669625][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.669630][  T620]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.669636][  T620]  _printk (kernel/printk/printk.c:2504)
[   26.669642][  T620]  ? snapshot_read.cold (user.c:?)
[   26.669648][  T620]  ? br_multicast_flood (??:?)
[   26.669652][  T620]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.669655][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.669657][  T620]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.669665][  T620]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.669671][  T620]  br_init_port (net/bridge/br_stp_if.c:39)
[   26.669675][  T620]  new_nbp (net/bridge/br_if.c:449)
[   26.669682][  T620]  br_add_if (net/bridge/br_if.c:592)
[   26.669686][  T620]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.669691][  T620]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.669700][  T620]  do_set_master (net/core/rtnetlink.c:3071)
[   26.669706][  T620]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.669712][  T620]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.669717][  T620]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.669719][  T620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.669723][  T620]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.669728][  T620]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.669731][  T620]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.669734][  T620]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.669738][  T620]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.669741][  T620]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.669743][  T620]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.669746][  T620]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.669750][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.669753][  T620]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.669757][  T620]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.669763][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.669766][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.669771][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669774][  T620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.669777][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669778][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669781][  T620]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.669785][  T620]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.669789][  T620]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.669792][  T620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.669798][  T620]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.669801][  T620]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.669809][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.669813][  T620]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.669822][  T620]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.669832][  T620]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.669835][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.669844][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.669847][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.669850][  T620]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.669853][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.669860][  T620]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.669864][  T620]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.669870][  T620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.669872][  T620]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.669880][  T620]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.669883][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.669889][  T620]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.669893][  T620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.669898][  T620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.669910][  T620]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.669913][  T620]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.669921][  T620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.669928][  T620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.669932][  T620]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.669940][  T620]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.669947][  T620]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.669954][  T620]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.669957][  T620]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.669965][  T620]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.669970][  T620]  ____sys_sendmsg (net/socket.c:2713)
[   26.669974][  T620]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.669978][  T620]  ? sock_write_iter (net/socket.c:1269)
[   26.669980][  T620]  ? move_addr_to_kernel (net/socket.c:258)
[   26.669994][  T620]  ___sys_sendmsg (net/socket.c:2767)
[   26.669999][  T620]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.670029][  T620]  __sys_sendmsg (net/socket.c:2799)
[   26.670034][  T620]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.670044][  T620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.670054][  T620]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.670058][  T620]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.670063][  T620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.670066][  T620] RIP: 0033:0x7f69a3e4a54e
[   26.670071][  T620] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.670074][  T620] RSP: 002b:00007fff6c619240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.670077][  T620] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f69a3e4a54e
[   26.670080][  T620] RDX: 0000000000000000 RSI: 00007fff6c6192f0 RDI: 0000000000000005
[   26.670081][  T620] RBP: 00007fff6c619250 R08: 0000000000000000 R09: 0000000000000000
[   26.670083][  T620] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159be
[   26.670084][  T620] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6c6199c0
| [   28.477344][  T691] softirqs last disabled at (15260): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   28.477347][  T691] Preemption disabled at:
| [   28.477347][  T691] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.477356][  T691] Tainted: [W]=WARN
[   28.477357][  T691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.477359][  T691] Call Trace:
[   28.477360][  T691]  <TASK>
[   28.477362][  T691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.477368][  T691]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.477369][  T691]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.477374][  T691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.477378][  T691]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.477383][  T691]  __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))
[   28.477385][  T691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.477391][  T691]  ? 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)
[   28.477394][  T691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.477399][  T691]  put_chars (drivers/char/virtio_console.c:1176)
[   28.477401][  T691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.477402][  T691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.477406][  T691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.477411][  T691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.477419][  T691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.477422][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477424][  T691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.477428][  T691]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.477432][  T691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.477434][  T691]  ? 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))
[   28.477437][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477439][  T691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.477443][  T691]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.477448][  T691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.477449][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.477455][  T691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.477458][  T691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.477460][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477461][  T691]  ? 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)
[   28.477465][  T691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.477467][  T691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.477470][  T691]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.477473][  T691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.477475][  T691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.477477][  T691]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.477481][  T691]  _printk (kernel/printk/printk.c:2504)
[   28.477485][  T691]  ? snapshot_read.cold (user.c:?)
[   28.477489][  T691]  ? br_multicast_flood (??:?)
[   28.477492][  T691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.477494][  T691]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.477495][  T691]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.477500][  T691]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.477504][  T691]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.477506][  T691]  new_nbp (net/bridge/br_if.c:449)
[   28.477514][  T691]  br_add_if (net/bridge/br_if.c:592)
[   28.477516][  T691]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.477520][  T691]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.477526][  T691]  do_set_master (net/core/rtnetlink.c:3071)
[   28.477529][  T691]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.477532][  T691]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.477536][  T691]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.477537][  T691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.477540][  T691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.477544][  T691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.477546][  T691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.477548][  T691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.477550][  T691]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.477553][  T691]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.477554][  T691]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.477555][  T691]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.477557][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.477559][  T691]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.477562][  T691]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.477566][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.477568][  T691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.477570][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477572][  T691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.477574][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477575][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477576][  T691]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.477579][  T691]  ? __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)
[   28.477582][  T691]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.477584][  T691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.477587][  T691]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.477588][  T691]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.477593][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477595][  T691]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.477600][  T691]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.477606][  T691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.477608][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.477612][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.477614][  T691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.477616][  T691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.477618][  T691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.477622][  T691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.477624][  T691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.477627][  T691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.477628][  T691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.477633][  T691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.477635][  T691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.477638][  T691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.477641][  T691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.477644][  T691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.477651][  T691]  ? 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))
[   28.477653][  T691]  ? 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))
[   28.477657][  T691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.477661][  T691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.477663][  T691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.477668][  T691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.477672][  T691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.477675][  T691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.477677][  T691]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.477683][  T691]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.477686][  T691]  ____sys_sendmsg (net/socket.c:2713)
[   28.477688][  T691]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.477690][  T691]  ? sock_write_iter (net/socket.c:1269)
[   28.477692][  T691]  ? move_addr_to_kernel (net/socket.c:258)
[   28.477699][  T691]  ___sys_sendmsg (net/socket.c:2767)
[   28.477702][  T691]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.477717][  T691]  __sys_sendmsg (net/socket.c:2799)
[   28.477720][  T691]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.477726][  T691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.477729][  T691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.477732][  T691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.477735][  T691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.477737][  T691] RIP: 0033:0x7f35dcf4154e
[   28.477742][  T691] 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
[   28.477744][  T691] RSP: 002b:00007ffea1299880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.477746][  T691] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f35dcf4154e
[   28.477748][  T691] RDX: 0000000000000000 RSI: 00007ffea1299930 RDI: 0000000000000005
[   28.477749][  T691] RBP: 00007ffea1299890 R08: 0000000000000000 R09: 0000000000000000
[   28.477749][  T691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159c0
[   28.477750][  T691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea129a000
| [   30.139358][  T779] softirqs last disabled at (17350): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   30.139361][  T779] Preemption disabled at:
| [   30.139362][  T779] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.139370][  T779] Tainted: [W]=WARN
[   30.139371][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.139373][  T779] Call Trace:
[   30.139375][  T779]  <TASK>
[   30.139376][  T779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.139382][  T779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.139384][  T779]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.139388][  T779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.139392][  T779]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.139397][  T779]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.139399][  T779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.139405][  T779]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.139408][  T779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.139412][  T779]  put_chars (drivers/char/virtio_console.c:1176)
[   30.139414][  T779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.139416][  T779]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.139419][  T779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.139425][  T779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.139432][  T779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.139435][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139437][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.139441][  T779]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.139445][  T779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.139447][  T779]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   30.139451][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139452][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.139456][  T779]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.139460][  T779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.139462][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.139468][  T779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.139471][  T779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.139472][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139474][  T779]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.139478][  T779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.139480][  T779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.139483][  T779]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.139486][  T779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.139488][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.139491][  T779]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.139494][  T779]  _printk (kernel/printk/printk.c:2504)
[   30.139498][  T779]  ? snapshot_read.cold (user.c:?)
[   30.139502][  T779]  ? br_multicast_flood (??:?)
[   30.139505][  T779]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.139506][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.139508][  T779]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.139514][  T779]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   30.139519][  T779]  br_init_port (net/bridge/br_stp_if.c:39)
[   30.139521][  T779]  new_nbp (net/bridge/br_if.c:449)
[   30.139525][  T779]  br_add_if (net/bridge/br_if.c:592)
[   30.139528][  T779]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.139531][  T779]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.139536][  T779]  do_set_master (net/core/rtnetlink.c:3071)
[   30.139540][  T779]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.139543][  T779]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.139547][  T779]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.139548][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.139551][  T779]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.139554][  T779]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.139556][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.139558][  T779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.139561][  T779]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.139563][  T779]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.139564][  T779]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.139565][  T779]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.139568][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.139570][  T779]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.139572][  T779]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.139576][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.139578][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.139581][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139583][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.139584][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139585][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139587][  T779]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.139590][  T779]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   30.139592][  T779]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.139594][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.139597][  T779]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.139599][  T779]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.139604][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139606][  T779]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.139611][  T779]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.139616][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.139618][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.139623][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.139625][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.139627][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.139629][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.139633][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.139635][  T779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.139638][  T779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.139639][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.139644][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.139646][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.139649][  T779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.139652][  T779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.139655][  T779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.139661][  T779]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.139664][  T779]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.139668][  T779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.139672][  T779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.139675][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.139679][  T779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.139683][  T779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.139687][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.139688][  T779]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.139694][  T779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.139697][  T779]  ____sys_sendmsg (net/socket.c:2713)
[   30.139699][  T779]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.139701][  T779]  ? sock_write_iter (net/socket.c:1269)
[   30.139703][  T779]  ? move_addr_to_kernel (net/socket.c:258)
[   30.139710][  T779]  ___sys_sendmsg (net/socket.c:2767)
[   30.139713][  T779]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.139729][  T779]  __sys_sendmsg (net/socket.c:2799)
[   30.139731][  T779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.139738][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.139741][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.139743][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.139746][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.139748][  T779] RIP: 0033:0x7f6988c4354e
[   30.139752][  T779] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.139754][  T779] RSP: 002b:00007ffcc1e8a260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.139757][  T779] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6988c4354e
[   30.139758][  T779] RDX: 0000000000000000 RSI: 00007ffcc1e8a310 RDI: 0000000000000005
[   30.139759][  T779] RBP: 00007ffcc1e8a270 R08: 0000000000000000 R09: 0000000000000000
[   30.139760][  T779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159c2
[   30.139761][  T779] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc1e8a9e0
| [   31.945390][   T71] softirqs last disabled at (22982): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   31.945393][   T71] Preemption disabled at:
| [   31.945394][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.945405][   T71] Tainted: [W]=WARN
[   31.945407][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.945409][   T71] Workqueue: netns cleanup_net
[   31.945414][   T71] Call Trace:
[   31.945416][   T71]  <TASK>
[   31.945419][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.945426][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.945429][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.945435][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.945441][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.945448][   T71]  __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))
[   31.945451][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.945461][   T71]  ? 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)
[   31.945465][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.945471][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   31.945475][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.945481][   T71]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   31.945490][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.945495][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.945504][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.945513][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.945523][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.945529][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.945532][   T71]  ? 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))
[   31.945538][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.945541][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.945548][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.945555][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.945558][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.945567][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.945572][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.945575][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.945578][   T71]  ? 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)
[   31.945585][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.945587][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.945592][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.945598][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.945600][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   31.945603][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.945606][   T71]  ? kthread (kernel/kthread.c:436)
[   31.945609][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   31.945612][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   31.945620][   T71]  _printk (kernel/printk/printk.c:2504)
[   31.945625][   T71]  ? snapshot_read.cold (user.c:?)
[   31.945633][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.945638][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.945645][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.945649][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   31.945657][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.945661][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   31.945665][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   31.945668][   T71]  ? 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)
[   31.945672][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   31.945680][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   31.945685][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   31.945695][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   31.945701][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   31.945707][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   31.945713][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   31.945719][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   31.945721][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.945726][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   31.945734][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   31.945740][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   31.945746][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.945749][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.945756][   T71]  process_one_work (kernel/workqueue.c:3387)
[   31.945768][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   31.945773][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.945787][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.945794][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.945797][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   31.945801][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.945806][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.945809][   T71]  kthread (kernel/kthread.c:436)
[   31.945812][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.945817][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.945821][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.945826][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   31.945832][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.945837][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.945842][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.938801][  T913] softirqs last disabled at (15706): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.938803][  T913] Preemption disabled at:
| [   33.938804][  T913] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.938812][  T913] Tainted: [W]=WARN
[   33.938813][  T913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.938815][  T913] Call Trace:
[   33.938816][  T913]  <TASK>
[   33.938818][  T913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.938823][  T913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.938825][  T913]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.938829][  T913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.938834][  T913]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.938838][  T913]  __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))
[   33.938840][  T913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.938847][  T913]  ? 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)
[   33.938850][  T913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.938854][  T913]  put_chars (drivers/char/virtio_console.c:1176)
[   33.938856][  T913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.938863][  T913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.938871][  T913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.938874][  T913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.938878][  T913]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.938882][  T913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.938884][  T913]  ? 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))
[   33.938887][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.938890][  T913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.938894][  T913]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.938898][  T913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.938900][  T913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.938905][  T913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.938908][  T913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.938910][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.938912][  T913]  ? 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)
[   33.938915][  T913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.938917][  T913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.938920][  T913]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.938923][  T913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.938925][  T913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.938927][  T913]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.938929][  T913]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   33.938932][  T913]  _printk (kernel/printk/printk.c:2504)
[   33.938937][  T913]  ? snapshot_read.cold (user.c:?)
[   33.938938][  T913]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.938941][  T913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.938944][  T913]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.938946][  T913]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.938949][  T913]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.938952][  T913]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.938954][  T913]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.938957][  T913]  ? netdev_notice (net/core/dev.c:13194)
[   33.938960][  T913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.938963][  T913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.938965][  T913]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.938969][  T913]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.938971][  T913]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.938973][  T913]  ? 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))
[   33.938979][  T913]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.938981][  T913]  ? __kernel_text_address (kernel/extable.c:79)
[   33.938984][  T913]  ? write_profile (profile.c:?)
[   33.938988][  T913]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.938994][  T913]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.938998][  T913]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.939000][  T913]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.939001][  T913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.939003][  T913]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.939006][  T913]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.939008][  T913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.939010][  T913]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.939012][  T913]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.939014][  T913]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.939015][  T913]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.939017][  T913]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.939019][  T913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.939021][  T913]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   33.939024][  T913]  ? ___sys_sendmsg (net/socket.c:2758)
[   33.939028][  T913]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.939030][  T913]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.939032][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.939034][  T913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.939036][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.939037][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.939038][  T913]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.939041][  T913]  ? __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)
[   33.939044][  T913]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.939046][  T913]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.939051][  T913]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.939052][  T913]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.939057][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.939059][  T913]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.939064][  T913]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.939070][  T913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.939071][  T913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.939076][  T913]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.939078][  T913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.939080][  T913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.939082][  T913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.939085][  T913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.939087][  T913]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.939091][  T913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.939092][  T913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.939096][  T913]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.939098][  T913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.939102][  T913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.939105][  T913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.939108][  T913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.939114][  T913]  ? 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))
[   33.939116][  T913]  ? 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))
[   33.939121][  T913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.939125][  T913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.939127][  T913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.939131][  T913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.939135][  T913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.939139][  T913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.939141][  T913]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.939146][  T913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.939149][  T913]  ____sys_sendmsg (net/socket.c:2713)
[   33.939151][  T913]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.939153][  T913]  ? sock_write_iter (net/socket.c:1269)
[   33.939155][  T913]  ? move_addr_to_kernel (net/socket.c:258)
[   33.939162][  T913]  ___sys_sendmsg (net/socket.c:2767)
[   33.939165][  T913]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.939181][  T913]  __sys_sendmsg (net/socket.c:2799)
[   33.939184][  T913]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.939190][  T913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.939193][  T913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.939196][  T913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.939199][  T913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.939202][  T913] RIP: 0033:0x7f0f788cb54e
[   33.939206][  T913] 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
[   33.939207][  T913] RSP: 002b:00007fffb25e0b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.939210][  T913] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0f788cb54e
[   33.939211][  T913] RDX: 0000000000000000 RSI: 00007fffb25e0be0 RDI: 0000000000000005
[   33.939212][  T913] RBP: 00007fffb25e0b40 R08: 0000000000000000 R09: 0000000000000000
[   33.939213][  T913] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159c6
[   33.939214][  T913] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb25e12b0
| [   46.582053][ T1208] softirqs last disabled at (15324): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   46.582056][ T1208] Preemption disabled at:
| [   46.582056][ T1208] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.582066][ T1208] Tainted: [W]=WARN
[   46.582067][ T1208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.582068][ T1208] Call Trace:
[   46.582070][ T1208]  <TASK>
[   46.582071][ T1208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.582078][ T1208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.582080][ T1208]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.582084][ T1208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.582088][ T1208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.582092][ T1208]  __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))
[   46.582094][ T1208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.582101][ T1208]  ? 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)
[   46.582104][ T1208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.582107][ T1208]  put_chars (drivers/char/virtio_console.c:1176)
[   46.582110][ T1208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.582111][ T1208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.582115][ T1208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.582120][ T1208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.582128][ T1208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.582130][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582132][ T1208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.582136][ T1208]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.582140][ T1208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.582142][ T1208]  ? 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))
[   46.582145][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582147][ T1208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.582151][ T1208]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.582155][ T1208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.582157][ T1208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.582162][ T1208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.582165][ T1208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.582167][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582169][ T1208]  ? 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)
[   46.582172][ T1208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.582174][ T1208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.582177][ T1208]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.582180][ T1208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.582182][ T1208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.582184][ T1208]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.582188][ T1208]  _printk (kernel/printk/printk.c:2504)
[   46.582192][ T1208]  ? snapshot_read.cold (user.c:?)
[   46.582195][ T1208]  ? br_multicast_flood (??:?)
[   46.582198][ T1208]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   46.582200][ T1208]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.582201][ T1208]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.582205][ T1208]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   46.582209][ T1208]  br_init_port (net/bridge/br_stp_if.c:39)
[   46.582212][ T1208]  new_nbp (net/bridge/br_if.c:449)
[   46.582215][ T1208]  br_add_if (net/bridge/br_if.c:592)
[   46.582218][ T1208]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.582221][ T1208]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.582227][ T1208]  do_set_master (net/core/rtnetlink.c:3071)
[   46.582230][ T1208]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   46.582234][ T1208]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.582237][ T1208]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.582238][ T1208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.582241][ T1208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.582244][ T1208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.582246][ T1208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.582248][ T1208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.582251][ T1208]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.582253][ T1208]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.582254][ T1208]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.582255][ T1208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.582258][ T1208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.582260][ T1208]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   46.582262][ T1208]  ? ___sys_sendmsg (net/socket.c:2758)
[   46.582267][ T1208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.582268][ T1208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.582271][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582273][ T1208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.582274][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582275][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582277][ T1208]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.582279][ T1208]  ? __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)
[   46.582282][ T1208]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.582284][ T1208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.582292][ T1208]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.582294][ T1208]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.582299][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582301][ T1208]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.582306][ T1208]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.582312][ T1208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.582313][ T1208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.582318][ T1208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.582320][ T1208]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.582322][ T1208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.582323][ T1208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.582327][ T1208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.582329][ T1208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.582332][ T1208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.582333][ T1208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.582338][ T1208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.582340][ T1208]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.582343][ T1208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.582346][ T1208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.582349][ T1208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.582355][ T1208]  ? 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))
[   46.582357][ T1208]  ? 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))
[   46.582362][ T1208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.582366][ T1208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.582368][ T1208]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.582372][ T1208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.582376][ T1208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.582380][ T1208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.582382][ T1208]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   46.582387][ T1208]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   46.582390][ T1208]  ____sys_sendmsg (net/socket.c:2713)
[   46.582392][ T1208]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.582394][ T1208]  ? sock_write_iter (net/socket.c:1269)
[   46.582396][ T1208]  ? move_addr_to_kernel (net/socket.c:258)
[   46.582403][ T1208]  ___sys_sendmsg (net/socket.c:2767)
[   46.582406][ T1208]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.582421][ T1208]  __sys_sendmsg (net/socket.c:2799)
[   46.582424][ T1208]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.582430][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.582433][ T1208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.582436][ T1208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.582439][ T1208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.582441][ T1208] RIP: 0033:0x7f73a17c154e
[   46.582445][ T1208] 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
[   46.582446][ T1208] RSP: 002b:00007ffde7a8ac30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.582449][ T1208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f73a17c154e
[   46.582451][ T1208] RDX: 0000000000000000 RSI: 00007ffde7a8ace0 RDI: 0000000000000005
[   46.582451][ T1208] RBP: 00007ffde7a8ac40 R08: 0000000000000000 R09: 0000000000000000
[   46.582452][ T1208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159d2
[   46.582453][ T1208] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde7a8b3b0
| [   48.340515][ T1294] softirqs last disabled at (14932): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   48.340517][ T1294] Preemption disabled at:
| [   48.340518][ T1294] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.340527][ T1294] Tainted: [W]=WARN
[   48.340528][ T1294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.340530][ T1294] Call Trace:
[   48.340531][ T1294]  <TASK>
[   48.340533][ T1294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.340539][ T1294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.340540][ T1294]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.340545][ T1294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.340549][ T1294]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.340554][ T1294]  __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))
[   48.340555][ T1294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.340562][ T1294]  ? 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)
[   48.340565][ T1294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.340569][ T1294]  put_chars (drivers/char/virtio_console.c:1176)
[   48.340572][ T1294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.340573][ T1294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.340577][ T1294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.340582][ T1294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.340590][ T1294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.340593][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340594][ T1294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.340599][ T1294]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.340603][ T1294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.340604][ T1294]  ? 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))
[   48.340608][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340609][ T1294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.340613][ T1294]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.340618][ T1294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.340620][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.340625][ T1294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.340628][ T1294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.340630][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340632][ T1294]  ? 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)
[   48.340635][ T1294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.340637][ T1294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.340640][ T1294]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.340643][ T1294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.340645][ T1294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.340648][ T1294]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.340651][ T1294]  _printk (kernel/printk/printk.c:2504)
[   48.340655][ T1294]  ? snapshot_read.cold (user.c:?)
[   48.340659][ T1294]  ? br_multicast_flood (??:?)
[   48.340662][ T1294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   48.340663][ T1294]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.340664][ T1294]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.340669][ T1294]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   48.340673][ T1294]  br_init_port (net/bridge/br_stp_if.c:39)
[   48.340676][ T1294]  new_nbp (net/bridge/br_if.c:449)
[   48.340679][ T1294]  br_add_if (net/bridge/br_if.c:592)
[   48.340682][ T1294]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.340685][ T1294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.340691][ T1294]  do_set_master (net/core/rtnetlink.c:3071)
[   48.340695][ T1294]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   48.340698][ T1294]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.340701][ T1294]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.340703][ T1294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.340705][ T1294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.340709][ T1294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.340711][ T1294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.340713][ T1294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.340715][ T1294]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.340717][ T1294]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.340719][ T1294]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.340720][ T1294]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.340722][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.340724][ T1294]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.340727][ T1294]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.340731][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.340733][ T1294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.340735][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340737][ T1294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.340739][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340740][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340742][ T1294]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.340744][ T1294]  ? __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)
[   48.340747][ T1294]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.340748][ T1294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.340752][ T1294]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.340753][ T1294]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.340758][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340760][ T1294]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.340766][ T1294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.340771][ T1294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.340773][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.340777][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.340779][ T1294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.340782][ T1294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.340783][ T1294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.340787][ T1294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.340789][ T1294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.340792][ T1294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.340794][ T1294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.340798][ T1294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.340800][ T1294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.340804][ T1294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.340807][ T1294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.340810][ T1294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.340816][ T1294]  ? 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))
[   48.340818][ T1294]  ? 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))
[   48.340823][ T1294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.340827][ T1294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.340829][ T1294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.340834][ T1294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.340838][ T1294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.340842][ T1294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.340843][ T1294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.340849][ T1294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.340852][ T1294]  ____sys_sendmsg (net/socket.c:2713)
[   48.340854][ T1294]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.340856][ T1294]  ? sock_write_iter (net/socket.c:1269)
[   48.340858][ T1294]  ? move_addr_to_kernel (net/socket.c:258)
[   48.340865][ T1294]  ___sys_sendmsg (net/socket.c:2767)
[   48.340868][ T1294]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.340884][ T1294]  __sys_sendmsg (net/socket.c:2799)
[   48.340887][ T1294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.340893][ T1294]  ? 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)
[   48.340896][ T1294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.340899][ T1294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.340902][ T1294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.340905][ T1294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.340907][ T1294] RIP: 0033:0x7fb5dc59354e
[   48.340911][ T1294] 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
[   48.340913][ T1294] RSP: 002b:00007ffe95a7b1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.340916][ T1294] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb5dc59354e
[   48.340917][ T1294] RDX: 0000000000000000 RSI: 00007ffe95a7b250 RDI: 0000000000000005
[   48.340918][ T1294] RBP: 00007ffe95a7b1b0 R08: 0000000000000000 R09: 0000000000000000
[   48.340919][ T1294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159d4
[   48.340920][ T1294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe95a7b920
| [   50.011909][ T1365] softirqs last disabled at (15205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   50.011911][ T1365] Preemption disabled at:
| [   50.011912][ T1365] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.011920][ T1365] Tainted: [W]=WARN
[   50.011921][ T1365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.011923][ T1365] Call Trace:
[   50.011925][ T1365]  <TASK>
[   50.011927][ T1365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.011933][ T1365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.011935][ T1365]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.011939][ T1365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.011944][ T1365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.011948][ T1365]  __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))
[   50.011950][ T1365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.011956][ T1365]  ? 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)
[   50.011959][ T1365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.011963][ T1365]  put_chars (drivers/char/virtio_console.c:1176)
[   50.011966][ T1365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.011967][ T1365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.011970][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.011976][ T1365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.011983][ T1365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.011986][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.011988][ T1365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.011992][ T1365]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.011996][ T1365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.011998][ T1365]  ? 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))
[   50.012001][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012003][ T1365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.012007][ T1365]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.012011][ T1365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.012013][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.012018][ T1365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.012021][ T1365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.012023][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012025][ T1365]  ? 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)
[   50.012028][ T1365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.012030][ T1365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.012033][ T1365]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.012036][ T1365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.012038][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.012041][ T1365]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.012044][ T1365]  _printk (kernel/printk/printk.c:2504)
[   50.012048][ T1365]  ? snapshot_read.cold (user.c:?)
[   50.012052][ T1365]  ? br_multicast_flood (??:?)
[   50.012056][ T1365]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   50.012057][ T1365]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.012058][ T1365]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.012063][ T1365]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   50.012067][ T1365]  br_init_port (net/bridge/br_stp_if.c:39)
[   50.012070][ T1365]  new_nbp (net/bridge/br_if.c:449)
[   50.012073][ T1365]  br_add_if (net/bridge/br_if.c:592)
[   50.012076][ T1365]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.012079][ T1365]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.012085][ T1365]  do_set_master (net/core/rtnetlink.c:3071)
[   50.012088][ T1365]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   50.012091][ T1365]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.012095][ T1365]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.012096][ T1365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.012099][ T1365]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.012102][ T1365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.012104][ T1365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.012106][ T1365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.012108][ T1365]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.012111][ T1365]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.012112][ T1365]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.012113][ T1365]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.012115][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.012117][ T1365]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   50.012121][ T1365]  ? ___sys_sendmsg (net/socket.c:2758)
[   50.012124][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.012126][ T1365]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.012129][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012131][ T1365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.012132][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012134][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012135][ T1365]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.012138][ T1365]  ? __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)
[   50.012140][ T1365]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.012142][ T1365]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.012145][ T1365]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.012146][ T1365]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.012152][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012154][ T1365]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.012159][ T1365]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.012164][ T1365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.012166][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.012171][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.012172][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.012175][ T1365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.012176][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.012180][ T1365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.012182][ T1365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.012185][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.012187][ T1365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.012191][ T1365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.012193][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.012196][ T1365]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.012199][ T1365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.012202][ T1365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.012209][ T1365]  ? 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))
[   50.012211][ T1365]  ? 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))
[   50.012215][ T1365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.012219][ T1365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.012222][ T1365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.012226][ T1365]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.012230][ T1365]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.012234][ T1365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.012235][ T1365]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.012241][ T1365]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.012243][ T1365]  ____sys_sendmsg (net/socket.c:2713)
[   50.012245][ T1365]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.012248][ T1365]  ? sock_write_iter (net/socket.c:1269)
[   50.012249][ T1365]  ? move_addr_to_kernel (net/socket.c:258)
[   50.012257][ T1365]  ___sys_sendmsg (net/socket.c:2767)
[   50.012260][ T1365]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.012275][ T1365]  __sys_sendmsg (net/socket.c:2799)
[   50.012278][ T1365]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.012284][ T1365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.012287][ T1365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.012290][ T1365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.012293][ T1365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.012296][ T1365] RIP: 0033:0x7fde90ef254e
[   50.012299][ T1365] 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
[   50.012306][ T1365] RSP: 002b:00007ffdd125a3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.012309][ T1365] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde90ef254e
[   50.012310][ T1365] RDX: 0000000000000000 RSI: 00007ffdd125a490 RDI: 0000000000000005
[   50.012311][ T1365] RBP: 00007ffdd125a3f0 R08: 0000000000000000 R09: 0000000000000000
[   50.012312][ T1365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159d6
[   50.012313][ T1365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd125ab60
| [   51.605776][ T1451] softirqs last disabled at (15132): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   51.605779][ T1451] Preemption disabled at:
| [   51.605779][ T1451] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.605788][ T1451] Tainted: [W]=WARN
[   51.605789][ T1451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.605790][ T1451] Call Trace:
[   51.605792][ T1451]  <TASK>
[   51.605794][ T1451]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.605800][ T1451]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.605801][ T1451]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.605806][ T1451]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.605810][ T1451]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.605815][ T1451]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.605817][ T1451]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.605823][ T1451]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.605826][ T1451]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.605830][ T1451]  put_chars (drivers/char/virtio_console.c:1176)
[   51.605833][ T1451]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.605834][ T1451]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.605837][ T1451]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.605840][ T1451]  ? __schedule (kernel/sched/core.c:7277)
[   51.605846][ T1451]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.605854][ T1451]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.605856][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.605858][ T1451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.605862][ T1451]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.605866][ T1451]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.605868][ T1451]  ? 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))
[   51.605871][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.605873][ T1451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.605877][ T1451]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.605881][ T1451]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.605883][ T1451]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.605888][ T1451]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.605891][ T1451]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.605893][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.605895][ T1451]  ? 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)
[   51.605899][ T1451]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.605900][ T1451]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.605903][ T1451]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.605906][ T1451]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.605908][ T1451]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.605911][ T1451]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.605914][ T1451]  _printk (kernel/printk/printk.c:2504)
[   51.605919][ T1451]  ? snapshot_read.cold (user.c:?)
[   51.605922][ T1451]  ? br_multicast_flood (??:?)
[   51.605926][ T1451]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   51.605927][ T1451]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.605929][ T1451]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.605933][ T1451]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   51.605937][ T1451]  br_init_port (net/bridge/br_stp_if.c:39)
[   51.605940][ T1451]  new_nbp (net/bridge/br_if.c:449)
[   51.605943][ T1451]  br_add_if (net/bridge/br_if.c:592)
[   51.605946][ T1451]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   51.605950][ T1451]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   51.605955][ T1451]  do_set_master (net/core/rtnetlink.c:3071)
[   51.605959][ T1451]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   51.605962][ T1451]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.605965][ T1451]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.605967][ T1451]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.605969][ T1451]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.605973][ T1451]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.605975][ T1451]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.605976][ T1451]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.605979][ T1451]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.605981][ T1451]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.605982][ T1451]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.605983][ T1451]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.605986][ T1451]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.605988][ T1451]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   51.605991][ T1451]  ? ___sys_sendmsg (net/socket.c:2758)
[   51.605994][ T1451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.605996][ T1451]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.605999][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.606001][ T1451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.606002][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.606003][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.606005][ T1451]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.606007][ T1451]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   51.606008][ T1451]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.606010][ T1451]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.606013][ T1451]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.606015][ T1451]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.606020][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.606022][ T1451]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.606027][ T1451]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.606033][ T1451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.606034][ T1451]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.606039][ T1451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.606041][ T1451]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.606043][ T1451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.606045][ T1451]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.606049][ T1451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.606050][ T1451]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.606054][ T1451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.606055][ T1451]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.606059][ T1451]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.606061][ T1451]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.606065][ T1451]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.606068][ T1451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.606071][ T1451]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.606077][ T1451]  ? 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))
[   51.606079][ T1451]  ? 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))
[   51.606084][ T1451]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.606088][ T1451]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.606091][ T1451]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.606095][ T1451]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.606099][ T1451]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.606103][ T1451]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.606104][ T1451]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   51.606110][ T1451]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.606113][ T1451]  ____sys_sendmsg (net/socket.c:2713)
[   51.606115][ T1451]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.606117][ T1451]  ? sock_write_iter (net/socket.c:1269)
[   51.606119][ T1451]  ? move_addr_to_kernel (net/socket.c:258)
[   51.606126][ T1451]  ___sys_sendmsg (net/socket.c:2767)
[   51.606129][ T1451]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.606145][ T1451]  __sys_sendmsg (net/socket.c:2799)
[   51.606148][ T1451]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.606154][ T1451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.606157][ T1451]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.606160][ T1451]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.606163][ T1451]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.606166][ T1451] RIP: 0033:0x7f94db26b54e
[   51.606169][ T1451] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.606171][ T1451] RSP: 002b:00007ffdcbbd3c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.606174][ T1451] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f94db26b54e
[   51.606175][ T1451] RDX: 0000000000000000 RSI: 00007ffdcbbd3cd0 RDI: 0000000000000005
[   51.606176][ T1451] RBP: 00007ffdcbbd3c30 R08: 0000000000000000 R09: 0000000000000000
[   51.606177][ T1451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159d7
[   51.606177][ T1451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcbbd43a0
| [   53.159730][   T71] softirqs last disabled at (386626): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   53.159732][   T71] Preemption disabled at:
| [   53.159733][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.159741][   T71] Tainted: [W]=WARN
[   53.159742][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.159744][   T71] Workqueue: netns cleanup_net
[   53.159748][   T71] Call Trace:
[   53.159749][   T71]  <TASK>
[   53.159751][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.159758][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.159759][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.159764][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.159768][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.159772][   T71]  __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))
[   53.159774][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.159781][   T71]  ? 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)
[   53.159784][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.159788][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   53.159791][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.159792][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.159796][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.159799][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.159804][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.159808][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.159813][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.159816][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.159821][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.159826][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.159827][   T71]  ? 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))
[   53.159831][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.159833][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.159837][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.159841][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.159843][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.159849][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.159852][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.159853][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.159855][   T71]  ? 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)
[   53.159859][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.159861][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.159864][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.159867][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.159868][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   53.159870][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   53.159872][   T71]  ? kthread (kernel/kthread.c:436)
[   53.159874][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   53.159877][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   53.159882][   T71]  _printk (kernel/printk/printk.c:2504)
[   53.159886][   T71]  ? snapshot_read.cold (user.c:?)
[   53.159890][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.159894][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.159898][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.159901][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   53.159906][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.159907][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   53.159910][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   53.159912][   T71]  ? 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)
[   53.159914][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   53.159918][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   53.159922][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   53.159928][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   53.159932][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   53.159935][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   53.159939][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.159943][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   53.159944][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.159948][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   53.159953][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   53.159956][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.159959][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.159961][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.159965][   T71]  process_one_work (kernel/workqueue.c:3387)
[   53.159972][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   53.159975][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.159982][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   53.159987][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   53.159989][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   53.159992][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   53.159994][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   53.159996][   T71]  kthread (kernel/kthread.c:436)
[   53.159998][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.160002][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   53.160005][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.160007][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   53.160011][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.160014][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   53.160017][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.727555][ T1584] softirqs last disabled at (15358): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.727558][ T1584] Preemption disabled at:
| [   54.727558][ T1584] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.727567][ T1584] Tainted: [W]=WARN
[   54.727568][ T1584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.727570][ T1584] Call Trace:
[   54.727572][ T1584]  <TASK>
[   54.727574][ T1584]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.727581][ T1584]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.727583][ T1584]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.727587][ T1584]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.727591][ T1584]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.727595][ T1584]  __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))
[   54.727597][ T1584]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.727604][ T1584]  ? 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)
[   54.727607][ T1584]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.727611][ T1584]  put_chars (drivers/char/virtio_console.c:1176)
[   54.727613][ T1584]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.727620][ T1584]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.727628][ T1584]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.727631][ T1584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.727636][ T1584]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.727640][ T1584]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.727642][ T1584]  ? 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))
[   54.727645][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727648][ T1584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.727652][ T1584]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.727656][ T1584]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.727658][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.727664][ T1584]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.727666][ T1584]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.727668][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727670][ T1584]  ? 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)
[   54.727674][ T1584]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.727676][ T1584]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.727678][ T1584]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.727681][ T1584]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.727683][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.727685][ T1584]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   54.727687][ T1584]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   54.727691][ T1584]  _printk (kernel/printk/printk.c:2504)
[   54.727695][ T1584]  ? snapshot_read.cold (user.c:?)
[   54.727696][ T1584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.727699][ T1584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.727702][ T1584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.727704][ T1584]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.727708][ T1584]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.727711][ T1584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.727714][ T1584]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.727717][ T1584]  ? netdev_notice (net/core/dev.c:13194)
[   54.727719][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.727722][ T1584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.727725][ T1584]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.727728][ T1584]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.727730][ T1584]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.727733][ T1584]  ? 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))
[   54.727738][ T1584]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.727741][ T1584]  ? __kernel_text_address (kernel/extable.c:79)
[   54.727743][ T1584]  ? write_profile (profile.c:?)
[   54.727748][ T1584]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.727753][ T1584]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.727757][ T1584]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.727759][ T1584]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.727761][ T1584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.727762][ T1584]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.727766][ T1584]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.727768][ T1584]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.727769][ T1584]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.727772][ T1584]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.727774][ T1584]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.727775][ T1584]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.727776][ T1584]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.727778][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.727780][ T1584]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   54.727783][ T1584]  ? ___sys_sendmsg (net/socket.c:2758)
[   54.727787][ T1584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.727789][ T1584]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.727792][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727794][ T1584]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.727795][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727796][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727798][ T1584]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.727800][ T1584]  ? __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)
[   54.727803][ T1584]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.727805][ T1584]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.727808][ T1584]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.727809][ T1584]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.727814][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727816][ T1584]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.727822][ T1584]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.727827][ T1584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.727829][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.727834][ T1584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.727836][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.727837][ T1584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.727839][ T1584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.727843][ T1584]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.727845][ T1584]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.727848][ T1584]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.727849][ T1584]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.727854][ T1584]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.727856][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.727859][ T1584]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.727862][ T1584]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.727865][ T1584]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.727872][ T1584]  ? 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))
[   54.727874][ T1584]  ? 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))
[   54.727878][ T1584]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.727882][ T1584]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.727885][ T1584]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.727889][ T1584]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.727893][ T1584]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.727897][ T1584]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.727899][ T1584]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   54.727904][ T1584]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.727907][ T1584]  ____sys_sendmsg (net/socket.c:2713)
[   54.727909][ T1584]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.727911][ T1584]  ? sock_write_iter (net/socket.c:1269)
[   54.727913][ T1584]  ? move_addr_to_kernel (net/socket.c:258)
[   54.727920][ T1584]  ___sys_sendmsg (net/socket.c:2767)
[   54.727923][ T1584]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.727939][ T1584]  __sys_sendmsg (net/socket.c:2799)
[   54.727942][ T1584]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.727949][ T1584]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.727952][ T1584]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.727954][ T1584]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.727957][ T1584]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.727960][ T1584] RIP: 0033:0x7fab9d5d454e
[   54.727964][ T1584] 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
[   54.727965][ T1584] RSP: 002b:00007fffe0c556a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.727968][ T1584] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fab9d5d454e
[   54.727969][ T1584] RDX: 0000000000000000 RSI: 00007fffe0c55750 RDI: 0000000000000005
[   54.727970][ T1584] RBP: 00007fffe0c556b0 R08: 0000000000000000 R09: 0000000000000000
[   54.727971][ T1584] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159db
[   54.727972][ T1584] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe0c55e20
| [   66.824380][ T1868] softirqs last disabled at (21322): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.824382][ T1868] Preemption disabled at:
| [   66.824383][ T1868] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.824391][ T1868] Tainted: [W]=WARN
[   66.824392][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.824394][ T1868] Call Trace:
[   66.824396][ T1868]  <TASK>
[   66.824397][ T1868]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.824403][ T1868]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.824405][ T1868]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.824409][ T1868]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.824414][ T1868]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.824418][ T1868]  __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))
[   66.824420][ T1868]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.824426][ T1868]  ? 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)
[   66.824429][ T1868]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.824433][ T1868]  put_chars (drivers/char/virtio_console.c:1176)
[   66.824435][ T1868]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.824437][ T1868]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.824440][ T1868]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.824445][ T1868]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.824453][ T1868]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.824456][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824458][ T1868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.824462][ T1868]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.824466][ T1868]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.824468][ T1868]  ? 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))
[   66.824471][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824473][ T1868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.824477][ T1868]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.824481][ T1868]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.824483][ T1868]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.824488][ T1868]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.824491][ T1868]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.824493][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824494][ T1868]  ? 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)
[   66.824498][ T1868]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.824500][ T1868]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.824502][ T1868]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.824506][ T1868]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.824507][ T1868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.824512][ T1868]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   66.824515][ T1868]  _printk (kernel/printk/printk.c:2504)
[   66.824519][ T1868]  ? snapshot_read.cold (user.c:?)
[   66.824523][ T1868]  ? br_multicast_flood (??:?)
[   66.824526][ T1868]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   66.824527][ T1868]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.824529][ T1868]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.824533][ T1868]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   66.824537][ T1868]  br_init_port (net/bridge/br_stp_if.c:39)
[   66.824540][ T1868]  new_nbp (net/bridge/br_if.c:449)
[   66.824543][ T1868]  br_add_if (net/bridge/br_if.c:592)
[   66.824546][ T1868]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.824549][ T1868]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.824555][ T1868]  do_set_master (net/core/rtnetlink.c:3071)
[   66.824559][ T1868]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   66.824562][ T1868]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   66.824565][ T1868]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   66.824567][ T1868]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.824569][ T1868]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.824573][ T1868]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.824575][ T1868]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.824577][ T1868]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.824579][ T1868]  ? kasan_save_stack (mm/kasan/common.c:58)
[   66.824582][ T1868]  ? kasan_save_stack (mm/kasan/common.c:57)
[   66.824583][ T1868]  ? kasan_save_track (mm/kasan/common.c:78)
[   66.824584][ T1868]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   66.824586][ T1868]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.824588][ T1868]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   66.824591][ T1868]  ? ___sys_sendmsg (net/socket.c:2758)
[   66.824595][ T1868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.824597][ T1868]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.824600][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824602][ T1868]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.824603][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824604][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824606][ T1868]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.824608][ T1868]  ? __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)
[   66.824611][ T1868]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.824613][ T1868]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.824616][ T1868]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.824617][ T1868]  ? nla_get_range_signed (lib/nlattr.c:270)
[   66.824622][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824624][ T1868]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   66.824630][ T1868]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.824635][ T1868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.824637][ T1868]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.824641][ T1868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.824643][ T1868]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.824646][ T1868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.824647][ T1868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.824651][ T1868]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.824653][ T1868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.824656][ T1868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.824658][ T1868]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.824662][ T1868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.824664][ T1868]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.824668][ T1868]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.824671][ T1868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.824674][ T1868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.824680][ T1868]  ? 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))
[   66.824682][ T1868]  ? 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))
[   66.824687][ T1868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.824691][ T1868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.824693][ T1868]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.824698][ T1868]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.824701][ T1868]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.824705][ T1868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.824707][ T1868]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.824712][ T1868]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.824715][ T1868]  ____sys_sendmsg (net/socket.c:2713)
[   66.824717][ T1868]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.824720][ T1868]  ? sock_write_iter (net/socket.c:1269)
[   66.824721][ T1868]  ? move_addr_to_kernel (net/socket.c:258)
[   66.824729][ T1868]  ___sys_sendmsg (net/socket.c:2767)
[   66.824731][ T1868]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.824747][ T1868]  __sys_sendmsg (net/socket.c:2799)
[   66.824750][ T1868]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.824756][ T1868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.824759][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.824762][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.824765][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.824767][ T1868] RIP: 0033:0x7f591eecf54e
[   66.824772][ T1868] 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
[   66.824773][ T1868] RSP: 002b:00007ffe16bebfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.824776][ T1868] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f591eecf54e
[   66.824778][ T1868] RDX: 0000000000000000 RSI: 00007ffe16bec090 RDI: 0000000000000005
[   66.824779][ T1868] RBP: 00007ffe16bebff0 R08: 0000000000000000 R09: 0000000000000000
[   66.824779][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159e7
[   66.824780][ T1868] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe16bec760
| [   68.410053][ T1950] softirqs last disabled at (31042): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   68.410056][ T1950] Preemption disabled at:
| [   68.410056][ T1950] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.410065][ T1950] Tainted: [W]=WARN
[   68.410066][ T1950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.410068][ T1950] Call Trace:
[   68.410069][ T1950]  <TASK>
[   68.410071][ T1950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.410077][ T1950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.410079][ T1950]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.410083][ T1950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.410088][ T1950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.410092][ T1950]  __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))
[   68.410094][ T1950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.410100][ T1950]  ? 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)
[   68.410104][ T1950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.410107][ T1950]  put_chars (drivers/char/virtio_console.c:1176)
[   68.410110][ T1950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.410111][ T1950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.410115][ T1950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.410120][ T1950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.410128][ T1950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.410131][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410133][ T1950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.410137][ T1950]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.410141][ T1950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.410143][ T1950]  ? 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))
[   68.410146][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410148][ T1950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.410152][ T1950]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.410156][ T1950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.410158][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.410163][ T1950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.410166][ T1950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.410168][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410170][ T1950]  ? 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)
[   68.410173][ T1950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.410175][ T1950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.410178][ T1950]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.410181][ T1950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.410183][ T1950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.410186][ T1950]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.410189][ T1950]  _printk (kernel/printk/printk.c:2504)
[   68.410194][ T1950]  ? snapshot_read.cold (user.c:?)
[   68.410197][ T1950]  ? br_multicast_flood (??:?)
[   68.410200][ T1950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.410202][ T1950]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.410203][ T1950]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.410207][ T1950]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   68.410212][ T1950]  br_init_port (net/bridge/br_stp_if.c:39)
[   68.410215][ T1950]  new_nbp (net/bridge/br_if.c:449)
[   68.410218][ T1950]  br_add_if (net/bridge/br_if.c:592)
[   68.410221][ T1950]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.410224][ T1950]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   68.410230][ T1950]  do_set_master (net/core/rtnetlink.c:3071)
[   68.410234][ T1950]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.410237][ T1950]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.410240][ T1950]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.410242][ T1950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.410244][ T1950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.410248][ T1950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.410250][ T1950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.410252][ T1950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.410254][ T1950]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.410256][ T1950]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.410258][ T1950]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.410259][ T1950]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.410261][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.410263][ T1950]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   68.410266][ T1950]  ? ___sys_sendmsg (net/socket.c:2758)
[   68.410270][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.410272][ T1950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.410274][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410276][ T1950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.410278][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410279][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410281][ T1950]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.410283][ T1950]  ? __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)
[   68.410286][ T1950]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.410288][ T1950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.410291][ T1950]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.410292][ T1950]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.410297][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410299][ T1950]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.410305][ T1950]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.410310][ T1950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.410312][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.410317][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.410318][ T1950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.410321][ T1950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.410322][ T1950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.410326][ T1950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.410328][ T1950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.410331][ T1950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.410333][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.410337][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.410339][ T1950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.410343][ T1950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.410346][ T1950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.410349][ T1950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.410355][ T1950]  ? 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))
[   68.410358][ T1950]  ? 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))
[   68.410362][ T1950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.410366][ T1950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.410369][ T1950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.410373][ T1950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.410381][ T1950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.410386][ T1950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.410388][ T1950]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   68.410393][ T1950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   68.410396][ T1950]  ____sys_sendmsg (net/socket.c:2713)
[   68.410398][ T1950]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.410401][ T1950]  ? sock_write_iter (net/socket.c:1269)
[   68.410402][ T1950]  ? move_addr_to_kernel (net/socket.c:258)
[   68.410410][ T1950]  ___sys_sendmsg (net/socket.c:2767)
[   68.410413][ T1950]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.410429][ T1950]  __sys_sendmsg (net/socket.c:2799)
[   68.410432][ T1950]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.410438][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.410441][ T1950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.410444][ T1950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.410447][ T1950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.410450][ T1950] RIP: 0033:0x7fd91b41654e
[   68.410454][ T1950] 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
[   68.410455][ T1950] RSP: 002b:00007ffe069f3b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.410458][ T1950] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd91b41654e
[   68.410459][ T1950] RDX: 0000000000000000 RSI: 00007ffe069f3bf0 RDI: 0000000000000005
[   68.410460][ T1950] RBP: 00007ffe069f3b50 R08: 0000000000000000 R09: 0000000000000000
[   68.410461][ T1950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159e8
[   68.410462][ T1950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe069f42c0
| [   70.023131][ T2020] softirqs last disabled at (18326): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   70.023133][ T2020] Preemption disabled at:
| [   70.023134][ T2020] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.023142][ T2020] Tainted: [W]=WARN
[   70.023143][ T2020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.023145][ T2020] Call Trace:
[   70.023147][ T2020]  <TASK>
[   70.023148][ T2020]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.023154][ T2020]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.023156][ T2020]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.023160][ T2020]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.023164][ T2020]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.023168][ T2020]  __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))
[   70.023170][ T2020]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.023177][ T2020]  ? 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)
[   70.023180][ T2020]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.023183][ T2020]  put_chars (drivers/char/virtio_console.c:1176)
[   70.023186][ T2020]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.023187][ T2020]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.023191][ T2020]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.023196][ T2020]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.023204][ T2020]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.023206][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023208][ T2020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.023212][ T2020]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.023216][ T2020]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.023218][ T2020]  ? 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))
[   70.023221][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023223][ T2020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.023227][ T2020]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.023231][ T2020]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.023233][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.023238][ T2020]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.023241][ T2020]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.023243][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023244][ T2020]  ? 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)
[   70.023248][ T2020]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.023250][ T2020]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.023252][ T2020]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.023256][ T2020]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.023257][ T2020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.023260][ T2020]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   70.023264][ T2020]  _printk (kernel/printk/printk.c:2504)
[   70.023267][ T2020]  ? snapshot_read.cold (user.c:?)
[   70.023271][ T2020]  ? br_multicast_flood (??:?)
[   70.023274][ T2020]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   70.023276][ T2020]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.023277][ T2020]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.023281][ T2020]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   70.023285][ T2020]  br_init_port (net/bridge/br_stp_if.c:39)
[   70.023288][ T2020]  new_nbp (net/bridge/br_if.c:449)
[   70.023291][ T2020]  br_add_if (net/bridge/br_if.c:592)
[   70.023294][ T2020]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.023297][ T2020]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   70.023303][ T2020]  do_set_master (net/core/rtnetlink.c:3071)
[   70.023306][ T2020]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   70.023309][ T2020]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.023312][ T2020]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.023314][ T2020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.023316][ T2020]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.023320][ T2020]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.023322][ T2020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.023323][ T2020]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.023326][ T2020]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.023328][ T2020]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.023329][ T2020]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.023330][ T2020]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.023333][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.023334][ T2020]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   70.023337][ T2020]  ? ___sys_sendmsg (net/socket.c:2758)
[   70.023341][ T2020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.023343][ T2020]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.023345][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023347][ T2020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.023349][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023350][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023351][ T2020]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.023354][ T2020]  ? __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)
[   70.023356][ T2020]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.023358][ T2020]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.023361][ T2020]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.023363][ T2020]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.023367][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023370][ T2020]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.023375][ T2020]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.023380][ T2020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.023382][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.023392][ T2020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.023394][ T2020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.023396][ T2020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.023398][ T2020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.023402][ T2020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.023404][ T2020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.023407][ T2020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.023408][ T2020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.023413][ T2020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.023414][ T2020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.023418][ T2020]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.023421][ T2020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.023424][ T2020]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.023430][ T2020]  ? 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))
[   70.023432][ T2020]  ? 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))
[   70.023436][ T2020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.023440][ T2020]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.023442][ T2020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.023446][ T2020]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.023453][ T2020]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.023456][ T2020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.023458][ T2020]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   70.023463][ T2020]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.023466][ T2020]  ____sys_sendmsg (net/socket.c:2713)
[   70.023468][ T2020]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.023471][ T2020]  ? sock_write_iter (net/socket.c:1269)
[   70.023472][ T2020]  ? move_addr_to_kernel (net/socket.c:258)
[   70.023479][ T2020]  ___sys_sendmsg (net/socket.c:2767)
[   70.023482][ T2020]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.023497][ T2020]  __sys_sendmsg (net/socket.c:2799)
[   70.023500][ T2020]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.023506][ T2020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.023509][ T2020]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.023512][ T2020]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.023515][ T2020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.023518][ T2020] RIP: 0033:0x7f3875a6554e
[   70.023522][ T2020] 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
[   70.023523][ T2020] RSP: 002b:00007fff5bee0dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.023526][ T2020] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3875a6554e
[   70.023527][ T2020] RDX: 0000000000000000 RSI: 00007fff5bee0e70 RDI: 0000000000000005
[   70.023528][ T2020] RBP: 00007fff5bee0dd0 R08: 0000000000000000 R09: 0000000000000000
[   70.023529][ T2020] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159ea
[   70.023530][ T2020] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5bee1540
| [   71.677804][ T2105] softirqs last disabled at (15324): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   71.677806][ T2105] Preemption disabled at:
| [   71.677807][ T2105] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.677815][ T2105] Tainted: [W]=WARN
[   71.677816][ T2105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.677818][ T2105] Call Trace:
[   71.677820][ T2105]  <TASK>
[   71.677821][ T2105]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.677827][ T2105]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.677829][ T2105]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.677833][ T2105]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.677838][ T2105]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   71.677842][ T2105]  __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))
[   71.677844][ T2105]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.677851][ T2105]  ? 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)
[   71.677853][ T2105]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.677857][ T2105]  put_chars (drivers/char/virtio_console.c:1176)
[   71.677860][ T2105]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.677861][ T2105]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.677865][ T2105]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.677870][ T2105]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.677878][ T2105]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.677881][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.677883][ T2105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.677887][ T2105]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.677891][ T2105]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.677893][ T2105]  ? 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))
[   71.677896][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.677898][ T2105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.677902][ T2105]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.677906][ T2105]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.677908][ T2105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.677913][ T2105]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.677916][ T2105]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.677918][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.677920][ T2105]  ? 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)
[   71.677923][ T2105]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.677925][ T2105]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.677928][ T2105]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.677931][ T2105]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.677933][ T2105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.677936][ T2105]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   71.677939][ T2105]  _printk (kernel/printk/printk.c:2504)
[   71.677943][ T2105]  ? snapshot_read.cold (user.c:?)
[   71.677947][ T2105]  ? br_multicast_flood (??:?)
[   71.677950][ T2105]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   71.677952][ T2105]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.677953][ T2105]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.677957][ T2105]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   71.677961][ T2105]  br_init_port (net/bridge/br_stp_if.c:39)
[   71.677964][ T2105]  new_nbp (net/bridge/br_if.c:449)
[   71.677968][ T2105]  br_add_if (net/bridge/br_if.c:592)
[   71.677970][ T2105]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   71.677974][ T2105]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   71.677979][ T2105]  do_set_master (net/core/rtnetlink.c:3071)
[   71.677983][ T2105]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   71.677986][ T2105]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   71.677989][ T2105]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   71.677991][ T2105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.677993][ T2105]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.677997][ T2105]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.677999][ T2105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.678000][ T2105]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.678003][ T2105]  ? kasan_save_stack (mm/kasan/common.c:58)
[   71.678005][ T2105]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.678006][ T2105]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.678007][ T2105]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.678010][ T2105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.678012][ T2105]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   71.678014][ T2105]  ? ___sys_sendmsg (net/socket.c:2758)
[   71.678018][ T2105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.678020][ T2105]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.678023][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.678024][ T2105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.678026][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.678027][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.678029][ T2105]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   71.678031][ T2105]  ? __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)
[   71.678034][ T2105]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.678036][ T2105]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.678039][ T2105]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   71.678040][ T2105]  ? nla_get_range_signed (lib/nlattr.c:270)
[   71.678045][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.678048][ T2105]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   71.678053][ T2105]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.678058][ T2105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.678060][ T2105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.678065][ T2105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.678067][ T2105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.678069][ T2105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.678071][ T2105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.678074][ T2105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.678076][ T2105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.678079][ T2105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.678081][ T2105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.678085][ T2105]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.678087][ T2105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.678091][ T2105]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.678094][ T2105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.678097][ T2105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.678103][ T2105]  ? 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))
[   71.678105][ T2105]  ? 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))
[   71.678110][ T2105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.678114][ T2105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.678116][ T2105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.678121][ T2105]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.678124][ T2105]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.678128][ T2105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.678130][ T2105]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   71.678135][ T2105]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   71.678138][ T2105]  ____sys_sendmsg (net/socket.c:2713)
[   71.678140][ T2105]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.678142][ T2105]  ? sock_write_iter (net/socket.c:1269)
[   71.678144][ T2105]  ? move_addr_to_kernel (net/socket.c:258)
[   71.678151][ T2105]  ___sys_sendmsg (net/socket.c:2767)
[   71.678154][ T2105]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.678171][ T2105]  __sys_sendmsg (net/socket.c:2799)
[   71.678173][ T2105]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.678180][ T2105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.678183][ T2105]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.678186][ T2105]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.678189][ T2105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.678191][ T2105] RIP: 0033:0x7fa500cb754e
[   71.678195][ T2105] 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
[   71.678197][ T2105] RSP: 002b:00007ffd5ffe46d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.678200][ T2105] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa500cb754e
[   71.678201][ T2105] RDX: 0000000000000000 RSI: 00007ffd5ffe4780 RDI: 0000000000000005
[   71.678202][ T2105] RBP: 00007ffd5ffe46e0 R08: 0000000000000000 R09: 0000000000000000
[   71.678203][ T2105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159eb
[   71.678203][ T2105] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5ffe4e50
| [   73.354914][   T71] softirqs last disabled at (713510): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   73.354916][   T71] Preemption disabled at:
| [   73.354917][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.354926][   T71] Tainted: [W]=WARN
[   73.354927][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.354929][   T71] Workqueue: netns cleanup_net
[   73.354932][   T71] Call Trace:
[   73.354934][   T71]  <TASK>
[   73.354936][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.354942][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.354944][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.354948][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.354952][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.354957][   T71]  __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))
[   73.354958][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.354965][   T71]  ? 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)
[   73.354968][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.354972][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   73.354975][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.354976][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.354980][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.354982][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.354987][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.354991][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.354997][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.355000][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.355005][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.355009][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.355011][   T71]  ? 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))
[   73.355014][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.355015][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.355020][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.355024][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.355026][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.355031][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.355034][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.355036][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.355038][   T71]  ? 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)
[   73.355041][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.355043][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.355046][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.355049][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.355050][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   73.355052][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   73.355054][   T71]  ? kthread (kernel/kthread.c:436)
[   73.355056][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   73.355059][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   73.355064][   T71]  _printk (kernel/printk/printk.c:2504)
[   73.355068][   T71]  ? snapshot_read.cold (user.c:?)
[   73.355073][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   73.355077][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   73.355081][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   73.355084][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   73.355088][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.355090][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   73.355092][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   73.355094][   T71]  ? 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)
[   73.355097][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   73.355101][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   73.355104][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   73.355110][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   73.355114][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   73.355117][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   73.355121][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   73.355125][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   73.355126][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.355130][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   73.355134][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   73.355137][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   73.355141][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.355143][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.355146][   T71]  process_one_work (kernel/workqueue.c:3387)
[   73.355153][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   73.355156][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.355164][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   73.355168][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.355170][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.355173][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.355176][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.355178][   T71]  kthread (kernel/kthread.c:436)
[   73.355180][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.355183][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   73.355186][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.355188][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   73.355192][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.355195][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   73.355198][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.499950][    C0]
| [   73.499950][    C0]
| [   73.499950][    C0] stack backtrace:
| [   73.499956][    C0] Tainted: [W]=WARN
[   73.499957][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.499958][    C0] Call Trace:
[   73.499959][    C0]  <IRQ>
[   73.499961][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.499965][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   73.499968][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   73.499969][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   73.499972][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   73.499974][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   73.499976][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   73.499978][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.499980][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   73.499982][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.499984][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.499986][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   73.499988][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   73.499990][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   73.499992][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.499994][    C0]  ? 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))
[   73.499996][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.499997][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.499999][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.500001][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.500003][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.500005][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.500007][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.500009][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.500010][    C0]  ? 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)
[   73.500012][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.500014][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.500015][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.500016][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.500018][    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))
[   73.500020][    C0]  _printk (kernel/printk/printk.c:2504)
[   73.500022][    C0]  ? snapshot_read.cold (user.c:?)
[   73.500023][    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))
[   73.500025][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.500028][    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))
[   73.500029][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   73.500031][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   73.500032][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   73.500034][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   73.500036][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   73.500039][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.500041][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.500042][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   73.500045][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   73.500046][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   73.500049][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   73.500050][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.500053][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.500056][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   73.500058][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   73.500060][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.500061][    C0]  handle_softirqs (kernel/softirq.c:645)
[   73.500063][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.500064][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   73.500066][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   73.500068][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   73.500069][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   73.500071][    C0]  </IRQ>
[   73.500071][    C0]  <TASK>
[   73.500072][    C0]  ? init_object (./include/linux/kmsan.h:404 mm/slub.c:1311)
[   73.500074][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   73.500076][    C0] RIP: 0010:qlist_free_all (mm/kasan/quarantine.c:177)
[   73.500078][    C0] Code: ec 00 00 00 4c 89 6c 24 18 49 89 f5 4c 89 74 24 20 49 89 fe 48 89 6c 24 08 4c 89 64 24 10 eb 34 48 63 85 b8 00 00 00 4c 8b 23 <48> 89 ef 48 29 c3 48 89 de e8 28 ef ff ff 66 90 48 89 de 48 89 ef
All code
========
   0:	ec                   	in     (%dx),%al
   1:	00 00                	add    %al,(%rax)
   3:	00 4c 89 6c          	add    %cl,0x6c(%rcx,%rcx,4)
   7:	24 18                	and    $0x18,%al
   9:	49 89 f5             	mov    %rsi,%r13
   c:	4c 89 74 24 20       	mov    %r14,0x20(%rsp)
  11:	49 89 fe             	mov    %rdi,%r14
  14:	48 89 6c 24 08       	mov    %rbp,0x8(%rsp)
  19:	4c 89 64 24 10       	mov    %r12,0x10(%rsp)
  1e:	eb 34                	jmp    0x54
  20:	48 63 85 b8 00 00 00 	movslq 0xb8(%rbp),%rax
  27:	4c 8b 23             	mov    (%rbx),%r12
  2a:*	48 89 ef             	mov    %rbp,%rdi		<-- trapping instruction
  2d:	48 29 c3             	sub    %rax,%rbx
  30:	48 89 de             	mov    %rbx,%rsi
  33:	e8 28 ef ff ff       	call   0xffffffffffffef60
  38:	66 90                	xchg   %ax,%ax
  3a:	48 89 de             	mov    %rbx,%rsi
  3d:	48 89 ef             	mov    %rbp,%rdi

Code starting with the faulting instruction
===========================================
   0:	48 89 ef             	mov    %rbp,%rdi
   3:	48 29 c3             	sub    %rax,%rbx
   6:	48 89 de             	mov    %rbx,%rsi
   9:	e8 28 ef ff ff       	call   0xffffffffffffef36
   e:	66 90                	xchg   %ax,%ax
  10:	48 89 de             	mov    %rbx,%rsi
  13:	48 89 ef             	mov    %rbp,%rdi
[   73.500080][    C0] RSP: 0000:ffa0000005197a18 EFLAGS: 00000246
[   73.500082][    C0] RAX: 0000000000000000 RBX: ff1100000d74d548 RCX: 0000000000000000
[   73.500084][    C0] RDX: ffd400000035d340 RSI: 000000000d74d548 RDI: ff1100000d74d548
[   73.500084][    C0] RBP: ff1100000103fe40 R08: 0000000000000000 R09: 0000000000000000
[   73.500085][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100000e5b5408
[   73.500086][    C0] R13: 0000000000000000 R14: ffa0000005197a48 R15: ff1100000c635908
[   73.500088][    C0]  ? qlist_free_all (mm/kasan/../slab.h:210 mm/kasan/quarantine.c:131 mm/kasan/quarantine.c:176)
[   73.500090][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   73.500092][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   73.500094][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   73.500095][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   73.500097][    C0]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   73.500098][    C0]  __create_object (mm/kmemleak.c:801)
[   73.500099][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.500101][    C0]  kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5010)
[   73.500102][    C0]  ? __anon_vma_prepare (mm/rmap.c:94 (discriminator 7) mm/rmap.c:201 (discriminator 7))
[   73.500104][    C0]  __anon_vma_prepare (mm/rmap.c:94 (discriminator 7) mm/rmap.c:201 (discriminator 7))
[   73.500106][    C0]  __vmf_anon_prepare (mm/memory.c:3961)
[   73.500108][    C0]  do_anonymous_page (mm/internal.h:569 mm/memory.c:5478)
[   73.500109][    C0]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 5))
[   73.500111][    C0]  handle_pte_fault (mm/memory.c:6558)
[   73.500113][    C0]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   73.500115][    C0]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   73.500116][    C0]  __handle_mm_fault (mm/memory.c:6707)
[   73.500118][    C0]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   73.500119][    C0]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   73.500122][    C0]  handle_mm_fault (mm/memory.c:6876)
[   73.500124][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.500125][    C0]  do_user_addr_fault (arch/x86/mm/fault.c:1343)
[   73.500128][    C0]  ? irqentry_enter (./include/linux/irq-entry-common.h:108 ./include/linux/irq-entry-common.h:293 kernel/entry/common.c:116)
[   73.500129][    C0]  exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   73.500131][    C0]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:595)
[   73.500132][    C0] RIP: 0033:0x7f51ac71fffd
[   73.500135][    C0] Code: 04 00 00 48 8d 40 01 48 89 45 b0 48 89 55 a8 be 01 00 00 00 ff 15 63 ca 02 00 49 89 c6 48 85 c0 0f 84 24 02 00 00 48 8b 55 a8 <48> 89 40 28 4c 89 ee 4c 8d 84 10 b8 04 00 00 48 8b 55 b0 4c 89 80
All code
========
   0:	04 00                	add    $0x0,%al
   2:	00 48 8d             	add    %cl,-0x73(%rax)
   5:	40 01 48 89          	rex add %ecx,-0x77(%rax)
   9:	45 b0 48             	rex.RB mov $0x48,%r8b
   c:	89 55 a8             	mov    %edx,-0x58(%rbp)
   f:	be 01 00 00 00       	mov    $0x1,%esi
  14:	ff 15 63 ca 02 00    	call   *0x2ca63(%rip)        # 0x2ca7d
  1a:	49 89 c6             	mov    %rax,%r14
  1d:	48 85 c0             	test   %rax,%rax
  20:	0f 84 24 02 00 00    	je     0x24a
  26:	48 8b 55 a8          	mov    -0x58(%rbp),%rdx
  2a:*	48 89 40 28          	mov    %rax,0x28(%rax)		<-- trapping instruction
  2e:	4c 89 ee             	mov    %r13,%rsi
  31:	4c 8d 84 10 b8 04 00 	lea    0x4b8(%rax,%rdx,1),%r8
  38:	00 
  39:	48 8b 55 b0          	mov    -0x50(%rbp),%rdx
  3d:	4c                   	rex.WR
  3e:	89                   	.byte 0x89
  3f:	80                   	.byte 0x80

Code starting with the faulting instruction
===========================================
   0:	48 89 40 28          	mov    %rax,0x28(%rax)
   4:	4c 89 ee             	mov    %r13,%rsi
   7:	4c 8d 84 10 b8 04 00 	lea    0x4b8(%rax,%rdx,1),%r8
   e:	00 
   f:	48 8b 55 b0          	mov    -0x50(%rbp),%rdx
  13:	4c                   	rex.WR
  14:	89                   	.byte 0x89
  15:	80                   	.byte 0x80
[   73.500135][    C0] RSP: 002b:00007fffac21fd10 EFLAGS: 00010206
[   73.500137][    C0] RAX: 00007f51ac63f000 RBX: 0000000000000000 RCX: 00007f51ac641000
[   73.500138][    C0] RDX: 0000000000000000 RSI: 0000000000002000 RDI: 00007f51ac63f000
[   73.500138][    C0] RBP: 00007fffac21fd70 R08: 00000000ffffffff R09: 0000000000000000
[   73.500139][    C0] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000b
[   73.500140][    C0] R13: 0000000000473f47 R14: 00007f51ac63f000 R15: 00007f51ac74e2e0
| [   74.530885][ T2238] softirqs last disabled at (0): 0x0
| [   74.530887][ T2238] Preemption disabled at:
| [   74.530888][ T2238] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.530898][ T2238] Tainted: [W]=WARN
[   74.530899][ T2238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.530901][ T2238] Call Trace:
[   74.530903][ T2238]  <TASK>
[   74.530904][ T2238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.530909][ T2238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.530911][ T2238]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.530915][ T2238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.530918][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.530920][ T2238]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.530923][ T2238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.530926][ T2238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.530932][ T2238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.530934][ T2238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.530936][ T2238]  put_chars (drivers/char/virtio_console.c:1176)
[   74.530938][ T2238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.530939][ T2238]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   74.530941][ T2238]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   74.530943][ T2238]  ? pointer (lib/vsprintf.c:2577)
[   74.530947][ T2238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.530952][ T2238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.530953][ T2238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.530955][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.530958][ T2238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.530961][ T2238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.530963][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.530964][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.530965][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.530966][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.530968][ T2238]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.530969][ T2238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.530972][ T2238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.530975][ T2238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.530976][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.530978][ T2238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.530980][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.530980][ T2238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.530982][ T2238]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.530983][ T2238]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   74.530985][ T2238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.530987][ T2238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.530988][ T2238]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.530990][ T2238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.530992][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.530993][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.530994][ T2238]  _printk (kernel/printk/printk.c:2504)
[   74.530998][ T2238]  ? snapshot_read.cold (user.c:?)
[   74.530999][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.531001][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531002][ T2238]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.531005][ T2238]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.531007][ T2238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.531011][ T2238]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.531013][ T2238]  ? netdev_notice (net/core/dev.c:13194)
[   74.531014][ T2238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.531016][ T2238]  ? 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)
[   74.531018][ T2238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.531020][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531021][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531022][ T2238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   74.531025][ T2238]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   74.531026][ T2238]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   74.531027][ T2238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.531029][ T2238]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   74.531031][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531032][ T2238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.531034][ T2238]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   74.531037][ T2238]  ? __kernel_text_address (kernel/extable.c:79)
[   74.531040][ T2238]  ? write_profile (profile.c:?)
[   74.531042][ T2238]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   74.531046][ T2238]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.531048][ T2238]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   74.531050][ T2238]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   74.531051][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531052][ T2238]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.531055][ T2238]  ? kasan_save_stack (mm/kasan/common.c:58)
[   74.531057][ T2238]  ? kasan_save_stack (mm/kasan/common.c:57)
[   74.531058][ T2238]  ? kasan_save_track (mm/kasan/common.c:78)
[   74.531059][ T2238]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   74.531060][ T2238]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   74.531062][ T2238]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   74.531063][ T2238]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.531064][ T2238]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.531067][ T2238]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.531068][ T2238]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.531070][ T2238]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.531072][ T2238]  ? ____sys_sendmsg (net/socket.c:2713)
[   74.531073][ T2238]  ? ___sys_sendmsg (net/socket.c:2767)
[   74.531075][ T2238]  ? __sys_sendmsg (net/socket.c:2799)
[   74.531076][ T2238]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.531079][ T2238]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.531081][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531083][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.531084][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531085][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531086][ T2238]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.531087][ T2238]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   74.531089][ T2238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.531090][ T2238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.531092][ T2238]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.531093][ T2238]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.531096][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531098][ T2238]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   74.531100][ T2238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.531102][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531103][ T2238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.531104][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.531105][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531107][ T2238]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   74.531109][ T2238]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.531110][ T2238]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.531112][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531113][ T2238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   74.531116][ T2238]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   74.531118][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531119][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.531121][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531122][ T2238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.531123][ T2238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.531125][ T2238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.531126][ T2238]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.531128][ T2238]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.531130][ T2238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.531132][ T2238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.531133][ T2238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.531135][ T2238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.531136][ T2238]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   74.531139][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531140][ T2238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.531142][ T2238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.531144][ T2238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.531146][ T2238]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.531148][ T2238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.531150][ T2238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.531152][ T2238]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.531153][ T2238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.531155][ T2238]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.531158][ T2238]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.531160][ T2238]  ____sys_sendmsg (net/socket.c:2713)
[   74.531161][ T2238]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.531163][ T2238]  ? sock_write_iter (net/socket.c:1269)
[   74.531164][ T2238]  ? move_addr_to_kernel (net/socket.c:258)
[   74.531166][ T2238]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.531168][ T2238]  ___sys_sendmsg (net/socket.c:2767)
[   74.531170][ T2238]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.531175][ T2238]  __sys_sendmsg (net/socket.c:2799)
[   74.531177][ T2238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.531180][ T2238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.531181][ T2238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.531183][ T2238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.531185][ T2238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.531186][ T2238] RIP: 0033:0x7f00d14f754e
[   74.531188][ T2238] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.531190][ T2238] RSP: 002b:00007fff9d616fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.531193][ T2238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f00d14f754e
[   74.531195][ T2238] RDX: 0000000000000000 RSI: 00007fff9d617050 RDI: 0000000000000005
[   74.531196][ T2238] RBP: 00007fff9d616fb0 R08: 0000000000000000 R09: 0000000000000000
[   74.531196][ T2238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159ee
[   74.531197][ T2238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9d617720
| [   86.026609][ T2573] softirqs last disabled at (0): 0x0
| [   86.026611][ T2573] Preemption disabled at:
| [   86.026612][ T2573] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.026622][ T2573] Tainted: [W]=WARN
[   86.026623][ T2573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.026625][ T2573] Call Trace:
[   86.026626][ T2573]  <TASK>
[   86.026628][ T2573]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.026633][ T2573]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.026634][ T2573]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.026638][ T2573]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.026641][ T2573]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   86.026645][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026647][ T2573]  __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))
[   86.026650][ T2573]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.026653][ T2573]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.026658][ T2573]  ? 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)
[   86.026659][ T2573]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.026662][ T2573]  put_chars (drivers/char/virtio_console.c:1176)
[   86.026663][ T2573]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.026665][ T2573]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.026667][ T2573]  ? __schedule (kernel/sched/core.c:7277)
[   86.026671][ T2573]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.026675][ T2573]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.026677][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026678][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026681][ T2573]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.026683][ T2573]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.026685][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026687][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026688][ T2573]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.026690][ T2573]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.026692][ T2573]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.026695][ T2573]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.026697][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026698][ T2573]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.026700][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026701][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.026703][ T2573]  ? 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)
[   86.026704][ T2573]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   86.026706][ T2573]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.026708][ T2573]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.026709][ T2573]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.026710][ T2573]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.026711][ T2573]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.026713][ T2573]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.026716][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026717][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026719][ T2573]  _printk (kernel/printk/printk.c:2504)
[   86.026722][ T2573]  ? snapshot_read.cold (user.c:?)
[   86.026724][ T2573]  ? br_multicast_flood (??:?)
[   86.026727][ T2573]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.026730][ T2573]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.026731][ T2573]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.026733][ T2573]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   86.026735][ T2573]  br_init_port (net/bridge/br_stp_if.c:39)
[   86.026736][ T2573]  new_nbp (net/bridge/br_if.c:449)
[   86.026738][ T2573]  br_add_if (net/bridge/br_if.c:592)
[   86.026740][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.026743][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.026744][ T2573]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.026747][ T2573]  do_set_master (net/core/rtnetlink.c:3071)
[   86.026749][ T2573]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.026751][ T2573]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.026752][ T2573]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.026753][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026754][ T2573]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.026758][ T2573]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.026760][ T2573]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.026761][ T2573]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.026762][ T2573]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.026763][ T2573]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   86.026764][ T2573]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   86.026765][ T2573]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.026766][ T2573]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.026769][ T2573]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.026770][ T2573]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.026772][ T2573]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.026775][ T2573]  ? ____sys_sendmsg (net/socket.c:2713)
[   86.026776][ T2573]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.026777][ T2573]  ? __sys_sendmsg (net/socket.c:2799)
[   86.026779][ T2573]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.026782][ T2573]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.026784][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026785][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026787][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026788][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026789][ T2573]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.026790][ T2573]  ? __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)
[   86.026791][ T2573]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.026792][ T2573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.026794][ T2573]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.026795][ T2573]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.026798][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026799][ T2573]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.026801][ T2573]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.026803][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026804][ T2573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.026805][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026807][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026808][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.026809][ T2573]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.026810][ T2573]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.026812][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026813][ T2573]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   86.026816][ T2573]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   86.026818][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026819][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026821][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026822][ T2573]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.026823][ T2573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.026825][ T2573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.026826][ T2573]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.026827][ T2573]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.026830][ T2573]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.026831][ T2573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.026833][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.026834][ T2573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.026836][ T2573]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   86.026839][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026840][ T2573]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.026842][ T2573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.026844][ T2573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.026845][ T2573]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.026847][ T2573]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.026849][ T2573]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.026851][ T2573]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.026852][ T2573]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.026854][ T2573]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   86.026857][ T2573]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.026859][ T2573]  ____sys_sendmsg (net/socket.c:2713)
[   86.026861][ T2573]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.026862][ T2573]  ? sock_write_iter (net/socket.c:1269)
[   86.026864][ T2573]  ? move_addr_to_kernel (net/socket.c:258)
[   86.026865][ T2573]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.026868][ T2573]  ___sys_sendmsg (net/socket.c:2767)
[   86.026869][ T2573]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.026874][ T2573]  __sys_sendmsg (net/socket.c:2799)
[   86.026876][ T2573]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.026878][ T2573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.026880][ T2573]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.026882][ T2573]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.026884][ T2573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.026885][ T2573] RIP: 0033:0x7f268f10d54e
[   86.026887][ T2573] 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
[   86.026889][ T2573] RSP: 002b:00007ffed832b300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.026892][ T2573] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f268f10d54e
[   86.026893][ T2573] RDX: 0000000000000000 RSI: 00007ffed832b3b0 RDI: 0000000000000005
[   86.026894][ T2573] RBP: 00007ffed832b310 R08: 0000000000000000 R09: 0000000000000000
[   86.026895][ T2573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159fa
[   86.026896][ T2573] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed832ba80
| [   87.304476][ T2680] softirqs last disabled at (0): 0x0
| [   87.304478][ T2680] Preemption disabled at:
| [   87.304479][ T2680] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.304489][ T2680] Tainted: [W]=WARN
[   87.304490][ T2680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.304492][ T2680] Call Trace:
[   87.304493][ T2680]  <TASK>
[   87.304495][ T2680]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.304500][ T2680]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.304501][ T2680]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.304505][ T2680]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.304508][ T2680]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   87.304514][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304517][ T2680]  __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))
[   87.304519][ T2680]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.304522][ T2680]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.304527][ T2680]  ? 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)
[   87.304529][ T2680]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.304531][ T2680]  put_chars (drivers/char/virtio_console.c:1176)
[   87.304533][ T2680]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.304535][ T2680]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   87.304537][ T2680]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.304541][ T2680]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.304543][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304544][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304547][ T2680]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.304550][ T2680]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.304552][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304553][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304554][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304554][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304556][ T2680]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   87.304558][ T2680]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.304560][ T2680]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.304563][ T2680]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.304565][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304566][ T2680]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.304568][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304569][ T2680]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.304570][ T2680]  ? 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)
[   87.304572][ T2680]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   87.304573][ T2680]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.304575][ T2680]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.304577][ T2680]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.304578][ T2680]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.304580][ T2680]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.304581][ T2680]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.304585][ T2680]  _printk (kernel/printk/printk.c:2504)
[   87.304588][ T2680]  ? snapshot_read.cold (user.c:?)
[   87.304590][ T2680]  ? br_multicast_flood (??:?)
[   87.304593][ T2680]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   87.304596][ T2680]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.304597][ T2680]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.304599][ T2680]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   87.304603][ T2680]  br_init_port (net/bridge/br_stp_if.c:39)
[   87.304604][ T2680]  new_nbp (net/bridge/br_if.c:449)
[   87.304607][ T2680]  br_add_if (net/bridge/br_if.c:592)
[   87.304609][ T2680]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   87.304611][ T2680]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   87.304612][ T2680]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.304615][ T2680]  do_set_master (net/core/rtnetlink.c:3071)
[   87.304617][ T2680]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   87.304619][ T2680]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   87.304620][ T2680]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   87.304621][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304622][ T2680]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.304626][ T2680]  ? kasan_save_stack (mm/kasan/common.c:58)
[   87.304627][ T2680]  ? kasan_save_stack (mm/kasan/common.c:57)
[   87.304628][ T2680]  ? kasan_save_track (mm/kasan/common.c:78)
[   87.304629][ T2680]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.304631][ T2680]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   87.304632][ T2680]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   87.304633][ T2680]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.304634][ T2680]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.304637][ T2680]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.304638][ T2680]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.304639][ T2680]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.304642][ T2680]  ? ____sys_sendmsg (net/socket.c:2713)
[   87.304643][ T2680]  ? ___sys_sendmsg (net/socket.c:2767)
[   87.304645][ T2680]  ? __sys_sendmsg (net/socket.c:2799)
[   87.304646][ T2680]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.304649][ T2680]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.304652][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304653][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304654][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304655][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304657][ T2680]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   87.304658][ T2680]  ? __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)
[   87.304660][ T2680]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   87.304661][ T2680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.304663][ T2680]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   87.304664][ T2680]  ? nla_get_range_signed (lib/nlattr.c:270)
[   87.304667][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304668][ T2680]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   87.304670][ T2680]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.304672][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304673][ T2680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.304674][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304676][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304677][ T2680]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   87.304678][ T2680]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   87.304679][ T2680]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.304681][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304682][ T2680]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   87.304685][ T2680]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   87.304687][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304688][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304689][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304690][ T2680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.304692][ T2680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.304693][ T2680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.304695][ T2680]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.304696][ T2680]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.304698][ T2680]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.304700][ T2680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.304701][ T2680]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.304703][ T2680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.304704][ T2680]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   87.304707][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304708][ T2680]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.304710][ T2680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.304712][ T2680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.304714][ T2680]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.304716][ T2680]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.304718][ T2680]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.304719][ T2680]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.304721][ T2680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.304722][ T2680]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   87.304725][ T2680]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.304727][ T2680]  ____sys_sendmsg (net/socket.c:2713)
[   87.304729][ T2680]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.304730][ T2680]  ? sock_write_iter (net/socket.c:1269)
[   87.304732][ T2680]  ? move_addr_to_kernel (net/socket.c:258)
[   87.304733][ T2680]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.304736][ T2680]  ___sys_sendmsg (net/socket.c:2767)
[   87.304738][ T2680]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.304742][ T2680]  __sys_sendmsg (net/socket.c:2799)
[   87.304744][ T2680]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.304747][ T2680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.304748][ T2680]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.304750][ T2680]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.304752][ T2680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.304754][ T2680] RIP: 0033:0x7f2481fea54e
[   87.304755][ T2680] 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
[   87.304757][ T2680] RSP: 002b:00007ffd459b6f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.304761][ T2680] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2481fea54e
[   87.304762][ T2680] RDX: 0000000000000000 RSI: 00007ffd459b7010 RDI: 0000000000000005
[   87.304763][ T2680] RBP: 00007ffd459b6f70 R08: 0000000000000000 R09: 0000000000000000
[   87.304763][ T2680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159fb
[   87.304764][ T2680] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd459b76e0
| [   88.304079][ T2749] softirqs last disabled at (0): 0x0
| [   88.304081][ T2749] Preemption disabled at:
| [   88.304082][ T2749] 0x0
| [   88.304092][ T2749] Tainted: [W]=WARN
[   88.304093][ T2749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.304095][ T2749] Call Trace:
[   88.304097][ T2749]  <TASK>
[   88.304098][ T2749]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.304104][ T2749]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.304108][ T2749]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.304112][ T2749]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   88.304115][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304119][ T2749]  __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))
[   88.304121][ T2749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.304125][ T2749]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.304130][ T2749]  ? 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)
[   88.304133][ T2749]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.304136][ T2749]  put_chars (drivers/char/virtio_console.c:1176)
[   88.304138][ T2749]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.304140][ T2749]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.304144][ T2749]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.304149][ T2749]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.304151][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304153][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304156][ T2749]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.304159][ T2749]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.304161][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304162][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304164][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304165][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304167][ T2749]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.304169][ T2749]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.304172][ T2749]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.304175][ T2749]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.304177][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304179][ T2749]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.304181][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304182][ T2749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.304183][ T2749]  ? 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)
[   88.304185][ T2749]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   88.304187][ T2749]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.304189][ T2749]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.304191][ T2749]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.304193][ T2749]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.304195][ T2749]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   88.304198][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304200][ T2749]  _printk (kernel/printk/printk.c:2504)
[   88.304203][ T2749]  ? snapshot_read.cold (user.c:?)
[   88.304205][ T2749]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   88.304208][ T2749]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1549)
[   88.304213][ T2749]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   88.304217][ T2749]  br_init_port (net/bridge/br_stp_if.c:39)
[   88.304219][ T2749]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   88.304220][ T2749]  br_device_event (net/bridge/br.c:120)
[   88.304223][ T2749]  ? packet_sendmsg_spkt (af_packet.c:?)
[   88.304225][ T2749]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   88.304227][ T2749]  ? addrconf_notify (net/ipv6/addrconf.c:3796)
[   88.304231][ T2749]  notifier_call_chain (kernel/notifier.c:85)
[   88.304234][ T2749]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   88.304238][ T2749]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.304239][ T2749]  ? netif_change_name (net/core/dev.c:1517)
[   88.304242][ T2749]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   88.304244][ T2749]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.304247][ T2749]  ? __kernel_text_address (kernel/extable.c:79)
[   88.304248][ T2749]  ? write_profile (profile.c:?)
[   88.304252][ T2749]  netif_change_flags (net/core/dev.c:9882)
[   88.304254][ T2749]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   88.304258][ T2749]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.304259][ T2749]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.304261][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304262][ T2749]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.304265][ T2749]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.304267][ T2749]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.304268][ T2749]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.304269][ T2749]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.304271][ T2749]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.304272][ T2749]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.304273][ T2749]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.304274][ T2749]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.304276][ T2749]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.304278][ T2749]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.304280][ T2749]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.304282][ T2749]  ? ____sys_sendmsg (net/socket.c:2713)
[   88.304284][ T2749]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.304285][ T2749]  ? __sys_sendmsg (net/socket.c:2799)
[   88.304287][ T2749]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.304291][ T2749]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.304294][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304295][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304297][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304298][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304299][ T2749]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.304301][ T2749]  ? __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)
[   88.304303][ T2749]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.304304][ T2749]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.304306][ T2749]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.304308][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304309][ T2749]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.304312][ T2749]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.304314][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304315][ T2749]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.304317][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304318][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304320][ T2749]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.304322][ T2749]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.304324][ T2749]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.304325][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304327][ T2749]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.304330][ T2749]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   88.304332][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304334][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304335][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304337][ T2749]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.304338][ T2749]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.304340][ T2749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.304341][ T2749]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.304343][ T2749]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.304345][ T2749]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.304347][ T2749]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.304349][ T2749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.304351][ T2749]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.304352][ T2749]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.304355][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304357][ T2749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.304359][ T2749]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.304361][ T2749]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.304363][ T2749]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.304366][ T2749]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.304368][ T2749]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.304370][ T2749]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.304372][ T2749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.304373][ T2749]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.304377][ T2749]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.304379][ T2749]  ____sys_sendmsg (net/socket.c:2713)
[   88.304383][ T2749]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.304385][ T2749]  ? sock_write_iter (net/socket.c:1269)
[   88.304387][ T2749]  ? move_addr_to_kernel (net/socket.c:258)
[   88.304388][ T2749]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.304391][ T2749]  ___sys_sendmsg (net/socket.c:2767)
[   88.304393][ T2749]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.304399][ T2749]  __sys_sendmsg (net/socket.c:2799)
[   88.304401][ T2749]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.304404][ T2749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.304406][ T2749]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.304407][ T2749]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.304410][ T2749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.304412][ T2749] RIP: 0033:0x7fbe8e57554e
[   88.304414][ T2749] 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
[   88.304416][ T2749] RSP: 002b:00007ffe83aec720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.304420][ T2749] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbe8e57554e
[   88.304422][ T2749] RDX: 0000000000000000 RSI: 00007ffe83aec7d0 RDI: 0000000000000005
[   88.304423][ T2749] RBP: 00007ffe83aec730 R08: 0000000000000000 R09: 0000000000000000
[   88.304424][ T2749] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159fc
[   88.304424][ T2749] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe83aecea0
| [   89.363452][ T2830] softirqs last disabled at (0): 0x0
| [   89.363453][ T2830] Preemption disabled at:
| [   89.363454][ T2830] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.363471][ T2830] Tainted: [W]=WARN
[   89.363472][ T2830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.363474][ T2830] Call Trace:
[   89.363475][ T2830]  <TASK>
[   89.363477][ T2830]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.363482][ T2830]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.363484][ T2830]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.363487][ T2830]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.363491][ T2830]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   89.363494][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363497][ T2830]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   89.363499][ T2830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.363502][ T2830]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.363507][ T2830]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.363509][ T2830]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.363514][ T2830]  put_chars (drivers/char/virtio_console.c:1176)
[   89.363516][ T2830]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.363518][ T2830]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   89.363521][ T2830]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.363525][ T2830]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.363527][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363528][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363531][ T2830]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.363534][ T2830]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.363536][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363537][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363538][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363539][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363541][ T2830]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   89.363542][ T2830]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.363545][ T2830]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.363548][ T2830]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.363550][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363551][ T2830]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.363553][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363554][ T2830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.363556][ T2830]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.363557][ T2830]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   89.363559][ T2830]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.363561][ T2830]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.363562][ T2830]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.363564][ T2830]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.363565][ T2830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.363567][ T2830]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.363570][ T2830]  _printk (kernel/printk/printk.c:2504)
[   89.363573][ T2830]  ? snapshot_read.cold (user.c:?)
[   89.363575][ T2830]  ? br_multicast_flood (??:?)
[   89.363579][ T2830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   89.363582][ T2830]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.363583][ T2830]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.363585][ T2830]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   89.363588][ T2830]  br_init_port (net/bridge/br_stp_if.c:39)
[   89.363590][ T2830]  new_nbp (net/bridge/br_if.c:449)
[   89.363593][ T2830]  br_add_if (net/bridge/br_if.c:592)
[   89.363594][ T2830]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.363597][ T2830]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.363598][ T2830]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.363602][ T2830]  do_set_master (net/core/rtnetlink.c:3071)
[   89.363603][ T2830]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   89.363605][ T2830]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.363607][ T2830]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.363608][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363609][ T2830]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.363612][ T2830]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.363614][ T2830]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.363615][ T2830]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.363616][ T2830]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.363618][ T2830]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   89.363619][ T2830]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   89.363620][ T2830]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.363621][ T2830]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.363624][ T2830]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.363625][ T2830]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.363627][ T2830]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.363629][ T2830]  ? ____sys_sendmsg (net/socket.c:2713)
[   89.363631][ T2830]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.363633][ T2830]  ? __sys_sendmsg (net/socket.c:2799)
[   89.363634][ T2830]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.363638][ T2830]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.363640][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363641][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363643][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363644][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363645][ T2830]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.363647][ T2830]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   89.363648][ T2830]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.363649][ T2830]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.363651][ T2830]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.363652][ T2830]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.363655][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363657][ T2830]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.363659][ T2830]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.363661][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363662][ T2830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.363663][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363665][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363666][ T2830]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.363667][ T2830]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.363669][ T2830]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.363670][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363671][ T2830]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   89.363674][ T2830]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   89.363677][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363678][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363679][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363680][ T2830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.363682][ T2830]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.363684][ T2830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.363685][ T2830]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.363686][ T2830]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.363689][ T2830]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.363690][ T2830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.363692][ T2830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.363693][ T2830]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.363695][ T2830]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   89.363698][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363699][ T2830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.363701][ T2830]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.363703][ T2830]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.363705][ T2830]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.363707][ T2830]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.363709][ T2830]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.363711][ T2830]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.363713][ T2830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.363714][ T2830]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.363717][ T2830]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.363719][ T2830]  ____sys_sendmsg (net/socket.c:2713)
[   89.363721][ T2830]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.363722][ T2830]  ? sock_write_iter (net/socket.c:1269)
[   89.363724][ T2830]  ? move_addr_to_kernel (net/socket.c:258)
[   89.363725][ T2830]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.363728][ T2830]  ___sys_sendmsg (net/socket.c:2767)
[   89.363730][ T2830]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.363735][ T2830]  __sys_sendmsg (net/socket.c:2799)
[   89.363737][ T2830]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.363740][ T2830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.363741][ T2830]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.363743][ T2830]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.363745][ T2830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.363746][ T2830] RIP: 0033:0x7f2a8212054e
[   89.363748][ T2830] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.363750][ T2830] RSP: 002b:00007ffd6c51e550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.363753][ T2830] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2a8212054e
[   89.363755][ T2830] RDX: 0000000000000000 RSI: 00007ffd6c51e600 RDI: 0000000000000005
[   89.363756][ T2830] RBP: 00007ffd6c51e560 R08: 0000000000000000 R09: 0000000000000000
[   89.363756][ T2830] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159fd
[   89.363757][ T2830] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6c51ecd0
| [   91.097370][ T2937] softirqs last disabled at (0): 0x0
| [   91.097372][ T2937] Preemption disabled at:
| [   91.097373][ T2937] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.097383][ T2937] Tainted: [W]=WARN
[   91.097384][ T2937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.097386][ T2937] Call Trace:
[   91.097387][ T2937]  <TASK>
[   91.097388][ T2937]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.097394][ T2937]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.097395][ T2937]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.097399][ T2937]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.097402][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097405][ T2937]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   91.097407][ T2937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.097411][ T2937]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.097415][ T2937]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   91.097417][ T2937]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.097420][ T2937]  put_chars (drivers/char/virtio_console.c:1176)
[   91.097421][ T2937]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.097422][ T2937]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   91.097424][ T2937]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   91.097427][ T2937]  ? pointer (lib/vsprintf.c:2577)
[   91.097430][ T2937]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.097435][ T2937]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.097436][ T2937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.097438][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097441][ T2937]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.097443][ T2937]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.097445][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097446][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097447][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097448][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097450][ T2937]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   91.097452][ T2937]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.097454][ T2937]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.097457][ T2937]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.097459][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097460][ T2937]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.097462][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097463][ T2937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.097465][ T2937]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   91.097466][ T2937]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   91.097467][ T2937]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.097476][ T2937]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.097478][ T2937]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.097480][ T2937]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.097481][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097482][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097484][ T2937]  _printk (kernel/printk/printk.c:2504)
[   91.097487][ T2937]  ? snapshot_read.cold (user.c:?)
[   91.097489][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097491][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097492][ T2937]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.097495][ T2937]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.097497][ T2937]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.097500][ T2937]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.097502][ T2937]  ? netdev_notice (net/core/dev.c:13194)
[   91.097504][ T2937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.097506][ T2937]  ? 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)
[   91.097508][ T2937]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.097509][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097512][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097513][ T2937]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.097516][ T2937]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   91.097518][ T2937]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   91.097519][ T2937]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.097521][ T2937]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   91.097523][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097524][ T2937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.097526][ T2937]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   91.097529][ T2937]  ? __kernel_text_address (kernel/extable.c:79)
[   91.097531][ T2937]  ? write_profile (profile.c:?)
[   91.097534][ T2937]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   91.097538][ T2937]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.097540][ T2937]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   91.097541][ T2937]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   91.097542][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097543][ T2937]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.097547][ T2937]  ? kasan_save_stack (mm/kasan/common.c:58)
[   91.097548][ T2937]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.097549][ T2937]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.097550][ T2937]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.097552][ T2937]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   91.097553][ T2937]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   91.097554][ T2937]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.097555][ T2937]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.097558][ T2937]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.097560][ T2937]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.097561][ T2937]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.097564][ T2937]  ? ____sys_sendmsg (net/socket.c:2713)
[   91.097565][ T2937]  ? ___sys_sendmsg (net/socket.c:2767)
[   91.097566][ T2937]  ? __sys_sendmsg (net/socket.c:2799)
[   91.097568][ T2937]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.097570][ T2937]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.097573][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097574][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097575][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097576][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097577][ T2937]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   91.097579][ T2937]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   91.097580][ T2937]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   91.097582][ T2937]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.097583][ T2937]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   91.097584][ T2937]  ? nla_get_range_signed (lib/nlattr.c:270)
[   91.097587][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097589][ T2937]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   91.097591][ T2937]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.097593][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097594][ T2937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.097595][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097596][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097598][ T2937]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   91.097600][ T2937]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   91.097601][ T2937]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.097603][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097604][ T2937]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   91.097607][ T2937]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   91.097609][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097610][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097612][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097613][ T2937]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.097614][ T2937]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.097616][ T2937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.097617][ T2937]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.097619][ T2937]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.097621][ T2937]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.097623][ T2937]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.097624][ T2937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.097626][ T2937]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.097627][ T2937]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   91.097630][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097631][ T2937]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.097633][ T2937]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.097635][ T2937]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.097637][ T2937]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.097639][ T2937]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.097641][ T2937]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.097643][ T2937]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.097644][ T2937]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.097646][ T2937]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   91.097649][ T2937]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.097651][ T2937]  ____sys_sendmsg (net/socket.c:2713)
[   91.097653][ T2937]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.097654][ T2937]  ? sock_write_iter (net/socket.c:1269)
[   91.097656][ T2937]  ? move_addr_to_kernel (net/socket.c:258)
[   91.097657][ T2937]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.097660][ T2937]  ___sys_sendmsg (net/socket.c:2767)
[   91.097661][ T2937]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.097666][ T2937]  __sys_sendmsg (net/socket.c:2799)
[   91.097668][ T2937]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.097671][ T2937]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.097672][ T2937]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.097674][ T2937]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.097676][ T2937]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.097677][ T2937] RIP: 0033:0x7fe62101754e
[   91.097679][ T2937] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   91.097681][ T2937] RSP: 002b:00007ffe897481a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.097684][ T2937] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe62101754e
[   91.097686][ T2937] RDX: 0000000000000000 RSI: 00007ffe89748250 RDI: 0000000000000005
[   91.097686][ T2937] RBP: 00007ffe897481b0 R08: 0000000000000000 R09: 0000000000000000
[   91.097687][ T2937] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9159ff
[   91.097688][ T2937] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe89748920
| [  102.836849][ T3272] softirqs last disabled at (0): 0x0
| [  102.836850][ T3272] Preemption disabled at:
| [  102.836851][ T3272] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.836861][ T3272] Tainted: [W]=WARN
[  102.836862][ T3272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.836864][ T3272] Call Trace:
[  102.836866][ T3272]  <TASK>
[  102.836867][ T3272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.836873][ T3272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.836874][ T3272]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.836878][ T3272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.836881][ T3272]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  102.836885][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836887][ T3272]  __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))
[  102.836890][ T3272]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.836893][ T3272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.836898][ T3272]  ? 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)
[  102.836900][ T3272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.836902][ T3272]  put_chars (drivers/char/virtio_console.c:1176)
[  102.836904][ T3272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.836905][ T3272]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  102.836908][ T3272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.836913][ T3272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.836915][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836916][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.836919][ T3272]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.836921][ T3272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.836923][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836924][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836925][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836926][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.836928][ T3272]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  102.836930][ T3272]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.836932][ T3272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.836935][ T3272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.836937][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.836939][ T3272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.836940][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836941][ T3272]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.836943][ T3272]  ? 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)
[  102.836944][ T3272]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  102.836946][ T3272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.836948][ T3272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.836949][ T3272]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.836951][ T3272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.836952][ T3272]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.836954][ T3272]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  102.836957][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.836958][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836960][ T3272]  _printk (kernel/printk/printk.c:2504)
[  102.836963][ T3272]  ? snapshot_read.cold (user.c:?)
[  102.836965][ T3272]  ? br_multicast_flood (??:?)
[  102.836968][ T3272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  102.836971][ T3272]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.836972][ T3272]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.836974][ T3272]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  102.836977][ T3272]  br_init_port (net/bridge/br_stp_if.c:39)
[  102.836979][ T3272]  new_nbp (net/bridge/br_if.c:449)
[  102.836981][ T3272]  br_add_if (net/bridge/br_if.c:592)
[  102.836983][ T3272]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  102.836985][ T3272]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  102.836986][ T3272]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  102.836990][ T3272]  do_set_master (net/core/rtnetlink.c:3071)
[  102.836991][ T3272]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  102.836993][ T3272]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  102.836994][ T3272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  102.836996][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.836997][ T3272]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  102.837000][ T3272]  ? kasan_save_stack (mm/kasan/common.c:58)
[  102.837002][ T3272]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.837003][ T3272]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.837004][ T3272]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.837005][ T3272]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  102.837006][ T3272]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  102.837007][ T3272]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.837008][ T3272]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.837011][ T3272]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.837013][ T3272]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.837014][ T3272]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.837017][ T3272]  ? ____sys_sendmsg (net/socket.c:2713)
[  102.837018][ T3272]  ? ___sys_sendmsg (net/socket.c:2767)
[  102.837019][ T3272]  ? __sys_sendmsg (net/socket.c:2799)
[  102.837021][ T3272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.837025][ T3272]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.837027][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837029][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.837030][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837031][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837032][ T3272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  102.837033][ T3272]  ? __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)
[  102.837035][ T3272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  102.837036][ T3272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.837038][ T3272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  102.837039][ T3272]  ? nla_get_range_signed (lib/nlattr.c:270)
[  102.837042][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837044][ T3272]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  102.837046][ T3272]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.837048][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837049][ T3272]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.837050][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.837052][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837053][ T3272]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  102.837054][ T3272]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  102.837055][ T3272]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  102.837057][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837058][ T3272]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  102.837061][ T3272]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  102.837063][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837064][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.837066][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837067][ T3272]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.837068][ T3272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.837070][ T3272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.837071][ T3272]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  102.837073][ T3272]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  102.837075][ T3272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.837077][ T3272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.837078][ T3272]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.837080][ T3272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.837082][ T3272]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  102.837085][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837086][ T3272]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.837088][ T3272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.837090][ T3272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.837092][ T3272]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.837094][ T3272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.837096][ T3272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.837097][ T3272]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  102.837099][ T3272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.837101][ T3272]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.837104][ T3272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.837106][ T3272]  ____sys_sendmsg (net/socket.c:2713)
[  102.837107][ T3272]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.837109][ T3272]  ? sock_write_iter (net/socket.c:1269)
[  102.837110][ T3272]  ? move_addr_to_kernel (net/socket.c:258)
[  102.837112][ T3272]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  102.837114][ T3272]  ___sys_sendmsg (net/socket.c:2767)
[  102.837116][ T3272]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.837121][ T3272]  __sys_sendmsg (net/socket.c:2799)
[  102.837123][ T3272]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.837126][ T3272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.837127][ T3272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.837129][ T3272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.837131][ T3272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.837133][ T3272] RIP: 0033:0x7f7ba3c2c54e
[  102.837135][ T3272] 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
[  102.837136][ T3272] RSP: 002b:00007ffe73b31d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.837140][ T3272] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7ba3c2c54e
[  102.837142][ T3272] RDX: 0000000000000000 RSI: 00007ffe73b31e00 RDI: 0000000000000005
[  102.837142][ T3272] RBP: 00007ffe73b31d60 R08: 0000000000000000 R09: 0000000000000000
[  102.837143][ T3272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a0b
[  102.837144][ T3272] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe73b324d0
| [  103.839271][ T3354] softirqs last disabled at (0): 0x0
| [  103.839273][ T3354] Preemption disabled at:
| [  103.839274][ T3354] vprintk_emit (kernel/printk/printk.c:2471)
| [  103.839284][ T3354] Tainted: [W]=WARN
[  103.839285][ T3354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.839287][ T3354] Call Trace:
[  103.839289][ T3354]  <TASK>
[  103.839290][ T3354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  103.839295][ T3354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  103.839297][ T3354]  __might_resched.cold (kernel/sched/core.c:9234)
[  103.839301][ T3354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  103.839304][ T3354]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  103.839307][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839310][ T3354]  __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))
[  103.839312][ T3354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  103.839315][ T3354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.839320][ T3354]  ? 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)
[  103.839322][ T3354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.839325][ T3354]  put_chars (drivers/char/virtio_console.c:1176)
[  103.839326][ T3354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  103.839328][ T3354]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  103.839330][ T3354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  103.839335][ T3354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  103.839336][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839338][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839340][ T3354]  console_emit_next_record (kernel/printk/printk.c:3183)
[  103.839343][ T3354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  103.839345][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839346][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839347][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839348][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839350][ T3354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  103.839352][ T3354]  console_flush_one_record (kernel/printk/printk.c:3268)
[  103.839354][ T3354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  103.839357][ T3354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  103.839358][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839360][ T3354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  103.839362][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839362][ T3354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.839364][ T3354]  ? 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)
[  103.839366][ T3354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  103.839367][ T3354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  103.839369][ T3354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  103.839370][ T3354]  vprintk_emit (kernel/printk/printk.c:2479)
[  103.839372][ T3354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  103.839373][ T3354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  103.839375][ T3354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  103.839378][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839379][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839380][ T3354]  _printk (kernel/printk/printk.c:2504)
[  103.839383][ T3354]  ? snapshot_read.cold (user.c:?)
[  103.839385][ T3354]  ? br_multicast_flood (??:?)
[  103.839389][ T3354]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  103.839392][ T3354]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  103.839393][ T3354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  103.839395][ T3354]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  103.839397][ T3354]  br_init_port (net/bridge/br_stp_if.c:39)
[  103.839399][ T3354]  new_nbp (net/bridge/br_if.c:449)
[  103.839401][ T3354]  br_add_if (net/bridge/br_if.c:592)
[  103.839403][ T3354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  103.839405][ T3354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  103.839406][ T3354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  103.839409][ T3354]  do_set_master (net/core/rtnetlink.c:3071)
[  103.839411][ T3354]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  103.839413][ T3354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  103.839414][ T3354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  103.839415][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839416][ T3354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  103.839420][ T3354]  ? kasan_save_stack (mm/kasan/common.c:58)
[  103.839421][ T3354]  ? kasan_save_stack (mm/kasan/common.c:57)
[  103.839422][ T3354]  ? kasan_save_track (mm/kasan/common.c:78)
[  103.839423][ T3354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  103.839424][ T3354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  103.839425][ T3354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  103.839426][ T3354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  103.839427][ T3354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  103.839430][ T3354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.839432][ T3354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  103.839433][ T3354]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  103.839436][ T3354]  ? ____sys_sendmsg (net/socket.c:2713)
[  103.839437][ T3354]  ? ___sys_sendmsg (net/socket.c:2767)
[  103.839439][ T3354]  ? __sys_sendmsg (net/socket.c:2799)
[  103.839440][ T3354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  103.839443][ T3354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.839446][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839447][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839448][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839449][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839450][ T3354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  103.839452][ T3354]  ? __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)
[  103.839453][ T3354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  103.839455][ T3354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  103.839456][ T3354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  103.839457][ T3354]  ? nla_get_range_signed (lib/nlattr.c:270)
[  103.839460][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839462][ T3354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  103.839464][ T3354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  103.839466][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839467][ T3354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  103.839468][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839469][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839471][ T3354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  103.839472][ T3354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  103.839473][ T3354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  103.839474][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839475][ T3354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  103.839478][ T3354]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  103.839480][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839482][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839483][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839484][ T3354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  103.839485][ T3354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  103.839487][ T3354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.839488][ T3354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  103.839490][ T3354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  103.839492][ T3354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  103.839493][ T3354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.839495][ T3354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.839496][ T3354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.839498][ T3354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  103.839501][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839502][ T3354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  103.839504][ T3354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.839506][ T3354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.839508][ T3354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.839511][ T3354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  103.839514][ T3354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  103.839515][ T3354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  103.839517][ T3354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.839519][ T3354]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  103.839525][ T3354]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  103.839527][ T3354]  ____sys_sendmsg (net/socket.c:2713)
[  103.839529][ T3354]  ? copy_msghdr_from_user (net/socket.c:2650)
[  103.839531][ T3354]  ? sock_write_iter (net/socket.c:1269)
[  103.839532][ T3354]  ? move_addr_to_kernel (net/socket.c:258)
[  103.839534][ T3354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  103.839536][ T3354]  ___sys_sendmsg (net/socket.c:2767)
[  103.839538][ T3354]  ? copy_msghdr_from_user (net/socket.c:2619)
[  103.839543][ T3354]  __sys_sendmsg (net/socket.c:2799)
[  103.839545][ T3354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  103.839547][ T3354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.839549][ T3354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  103.839550][ T3354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  103.839552][ T3354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.839554][ T3354] RIP: 0033:0x7f508dcd454e
[  103.839556][ T3354] 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
[  103.839558][ T3354] RSP: 002b:00007ffc0165a100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  103.839561][ T3354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f508dcd454e
[  103.839563][ T3354] RDX: 0000000000000000 RSI: 00007ffc0165a1b0 RDI: 0000000000000005
[  103.839563][ T3354] RBP: 00007ffc0165a110 R08: 0000000000000000 R09: 0000000000000000
[  103.839564][ T3354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a0c
[  103.839565][ T3354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0165a880
| [  105.102519][ T3448] softirqs last disabled at (0): 0x0
| [  105.102521][ T3448] Preemption disabled at:
| [  105.102522][ T3448] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.102538][ T3448] Tainted: [W]=WARN
[  105.102540][ T3448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.102542][ T3448] Call Trace:
[  105.102543][ T3448]  <TASK>
[  105.102545][ T3448]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.102551][ T3448]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.102552][ T3448]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.102556][ T3448]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.102559][ T3448]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  105.102562][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102565][ T3448]  __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))
[  105.102568][ T3448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.102571][ T3448]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.102576][ T3448]  ? 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)
[  105.102577][ T3448]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.102580][ T3448]  put_chars (drivers/char/virtio_console.c:1176)
[  105.102582][ T3448]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.102583][ T3448]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  105.102586][ T3448]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.102591][ T3448]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.102592][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102594][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102596][ T3448]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.102599][ T3448]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.102601][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102602][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102603][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102604][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102606][ T3448]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  105.102607][ T3448]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.102610][ T3448]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.102613][ T3448]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.102614][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102616][ T3448]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.102618][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102619][ T3448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.102620][ T3448]  ? 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)
[  105.102622][ T3448]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  105.102623][ T3448]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.102625][ T3448]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.102627][ T3448]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.102629][ T3448]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.102630][ T3448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.102631][ T3448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.102635][ T3448]  _printk (kernel/printk/printk.c:2504)
[  105.102638][ T3448]  ? snapshot_read.cold (user.c:?)
[  105.102640][ T3448]  ? br_multicast_flood (??:?)
[  105.102643][ T3448]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  105.102646][ T3448]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  105.102647][ T3448]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.102649][ T3448]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  105.102653][ T3448]  br_init_port (net/bridge/br_stp_if.c:39)
[  105.102654][ T3448]  new_nbp (net/bridge/br_if.c:449)
[  105.102656][ T3448]  br_add_if (net/bridge/br_if.c:592)
[  105.102658][ T3448]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  105.102661][ T3448]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.102662][ T3448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.102665][ T3448]  do_set_master (net/core/rtnetlink.c:3071)
[  105.102667][ T3448]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  105.102669][ T3448]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  105.102670][ T3448]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  105.102671][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102672][ T3448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.102676][ T3448]  ? kasan_save_stack (mm/kasan/common.c:58)
[  105.102678][ T3448]  ? kasan_save_stack (mm/kasan/common.c:57)
[  105.102679][ T3448]  ? kasan_save_track (mm/kasan/common.c:78)
[  105.102680][ T3448]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  105.102681][ T3448]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  105.102682][ T3448]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  105.102683][ T3448]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.102684][ T3448]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.102687][ T3448]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.102689][ T3448]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.102690][ T3448]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.102693][ T3448]  ? ____sys_sendmsg (net/socket.c:2713)
[  105.102694][ T3448]  ? ___sys_sendmsg (net/socket.c:2767)
[  105.102696][ T3448]  ? __sys_sendmsg (net/socket.c:2799)
[  105.102698][ T3448]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.102701][ T3448]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.102703][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102704][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102706][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102707][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102708][ T3448]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  105.102709][ T3448]  ? __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)
[  105.102711][ T3448]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  105.102712][ T3448]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  105.102714][ T3448]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  105.102715][ T3448]  ? nla_get_range_signed (lib/nlattr.c:270)
[  105.102718][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102719][ T3448]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  105.102721][ T3448]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  105.102723][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102725][ T3448]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  105.102726][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102727][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102729][ T3448]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  105.102730][ T3448]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.102731][ T3448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.102733][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102734][ T3448]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  105.102737][ T3448]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  105.102739][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102740][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102742][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102743][ T3448]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  105.102744][ T3448]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.102746][ T3448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.102747][ T3448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.102749][ T3448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.102751][ T3448]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.102752][ T3448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.102754][ T3448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.102755][ T3448]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.102757][ T3448]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  105.102760][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102761][ T3448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.102763][ T3448]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.102765][ T3448]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.102767][ T3448]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.102769][ T3448]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.102771][ T3448]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.102773][ T3448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.102774][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.102776][ T3448]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  105.102779][ T3448]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.102781][ T3448]  ____sys_sendmsg (net/socket.c:2713)
[  105.102782][ T3448]  ? copy_msghdr_from_user (net/socket.c:2650)
[  105.102784][ T3448]  ? sock_write_iter (net/socket.c:1269)
[  105.102786][ T3448]  ? move_addr_to_kernel (net/socket.c:258)
[  105.102787][ T3448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.102790][ T3448]  ___sys_sendmsg (net/socket.c:2767)
[  105.102792][ T3448]  ? copy_msghdr_from_user (net/socket.c:2619)
[  105.102796][ T3448]  __sys_sendmsg (net/socket.c:2799)
[  105.102798][ T3448]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  105.102801][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.102803][ T3448]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.102804][ T3448]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.102806][ T3448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.102808][ T3448] RIP: 0033:0x7f233177d54e
[  105.102810][ T3448] 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
[  105.102812][ T3448] RSP: 002b:00007ffc0ea51090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.102815][ T3448] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f233177d54e
[  105.102817][ T3448] RDX: 0000000000000000 RSI: 00007ffc0ea51140 RDI: 0000000000000005
[  105.102818][ T3448] RBP: 00007ffc0ea510a0 R08: 0000000000000000 R09: 0000000000000000
[  105.102819][ T3448] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a0d
[  105.102819][ T3448] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0ea51810
| [  106.259979][ T3518] softirqs last disabled at (0): 0x0
| [  106.259982][ T3518] Preemption disabled at:
| [  106.259983][ T3518] vprintk_emit (kernel/printk/printk.c:2471)
| [  106.259995][ T3518] Tainted: [W]=WARN
[  106.259997][ T3518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.260000][ T3518] Call Trace:
[  106.260002][ T3518]  <TASK>
[  106.260004][ T3518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  106.260010][ T3518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  106.260012][ T3518]  __might_resched.cold (kernel/sched/core.c:9234)
[  106.260017][ T3518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  106.260021][ T3518]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  106.260026][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260029][ T3518]  __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))
[  106.260033][ T3518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  106.260037][ T3518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.260043][ T3518]  ? 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)
[  106.260046][ T3518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.260050][ T3518]  put_chars (drivers/char/virtio_console.c:1176)
[  106.260052][ T3518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  106.260055][ T3518]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  106.260059][ T3518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  106.260065][ T3518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  106.260068][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260071][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260074][ T3518]  console_emit_next_record (kernel/printk/printk.c:3183)
[  106.260078][ T3518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  106.260081][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260083][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260085][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260087][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260090][ T3518]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  106.260092][ T3518]  console_flush_one_record (kernel/printk/printk.c:3268)
[  106.260096][ T3518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  106.260100][ T3518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  106.260103][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260106][ T3518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  106.260108][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260110][ T3518]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  106.260112][ T3518]  ? 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)
[  106.260115][ T3518]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  106.260117][ T3518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  106.260120][ T3518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  106.260123][ T3518]  vprintk_emit (kernel/printk/printk.c:2479)
[  106.260125][ T3518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  106.260127][ T3518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  106.260130][ T3518]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  106.260134][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260136][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260139][ T3518]  _printk (kernel/printk/printk.c:2504)
[  106.260143][ T3518]  ? snapshot_read.cold (user.c:?)
[  106.260146][ T3518]  ? br_multicast_flood (??:?)
[  106.260151][ T3518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  106.260154][ T3518]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  106.260156][ T3518]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.260159][ T3518]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  106.260163][ T3518]  br_init_port (net/bridge/br_stp_if.c:39)
[  106.260166][ T3518]  new_nbp (net/bridge/br_if.c:449)
[  106.260169][ T3518]  br_add_if (net/bridge/br_if.c:592)
[  106.260172][ T3518]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  106.260176][ T3518]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  106.260178][ T3518]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  106.260182][ T3518]  do_set_master (net/core/rtnetlink.c:3071)
[  106.260185][ T3518]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  106.260188][ T3518]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  106.260191][ T3518]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  106.260193][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260195][ T3518]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  106.260199][ T3518]  ? kasan_save_stack (mm/kasan/common.c:58)
[  106.260202][ T3518]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.260204][ T3518]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.260206][ T3518]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.260208][ T3518]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  106.260211][ T3518]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  106.260212][ T3518]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.260214][ T3518]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  106.260218][ T3518]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.260220][ T3518]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  106.260223][ T3518]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  106.260226][ T3518]  ? ____sys_sendmsg (net/socket.c:2713)
[  106.260228][ T3518]  ? ___sys_sendmsg (net/socket.c:2767)
[  106.260230][ T3518]  ? __sys_sendmsg (net/socket.c:2799)
[  106.260233][ T3518]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  106.260237][ T3518]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.260241][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260243][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260245][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260247][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260249][ T3518]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  106.260251][ T3518]  ? __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)
[  106.260254][ T3518]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  106.260256][ T3518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  106.260259][ T3518]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  106.260261][ T3518]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.260266][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260268][ T3518]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  106.260271][ T3518]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  106.260274][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260276][ T3518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.260278][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260281][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260283][ T3518]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  106.260285][ T3518]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  106.260287][ T3518]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  106.260289][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260291][ T3518]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  106.260296][ T3518]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  106.260299][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260301][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260303][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260305][ T3518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.260307][ T3518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.260310][ T3518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.260312][ T3518]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  106.260315][ T3518]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  106.260318][ T3518]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  106.260321][ T3518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.260323][ T3518]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  106.260326][ T3518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.260328][ T3518]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  106.260332][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260335][ T3518]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  106.260338][ T3518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.260341][ T3518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.260344][ T3518]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.260347][ T3518]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  106.260350][ T3518]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  106.260353][ T3518]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  106.260356][ T3518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.260358][ T3518]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  106.260363][ T3518]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  106.260366][ T3518]  ____sys_sendmsg (net/socket.c:2713)
[  106.260368][ T3518]  ? copy_msghdr_from_user (net/socket.c:2650)
[  106.260371][ T3518]  ? sock_write_iter (net/socket.c:1269)
[  106.260373][ T3518]  ? move_addr_to_kernel (net/socket.c:258)
[  106.260375][ T3518]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  106.260379][ T3518]  ___sys_sendmsg (net/socket.c:2767)
[  106.260382][ T3518]  ? copy_msghdr_from_user (net/socket.c:2619)
[  106.260391][ T3518]  __sys_sendmsg (net/socket.c:2799)
[  106.260393][ T3518]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  106.260398][ T3518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.260400][ T3518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  106.260403][ T3518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  106.260406][ T3518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.260409][ T3518] RIP: 0033:0x7fb79b62954e
[  106.260412][ T3518] 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
[  106.260415][ T3518] RSP: 002b:00007ffcc5fc2c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.260419][ T3518] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb79b62954e
[  106.260421][ T3518] RDX: 0000000000000000 RSI: 00007ffcc5fc2cb0 RDI: 0000000000000005
[  106.260423][ T3518] RBP: 00007ffcc5fc2c10 R08: 0000000000000000 R09: 0000000000000000
[  106.260424][ T3518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a0e
[  106.260425][ T3518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc5fc3380
| [  107.419158][ T3598] softirqs last disabled at (0): 0x0
| [  107.419160][ T3598] Preemption disabled at:
| [  107.419161][ T3598] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.419170][ T3598] Tainted: [W]=WARN
[  107.419171][ T3598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.419173][ T3598] Call Trace:
[  107.419175][ T3598]  <TASK>
[  107.419176][ T3598]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.419181][ T3598]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.419182][ T3598]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.419186][ T3598]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.419189][ T3598]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  107.419192][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419195][ T3598]  __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))
[  107.419197][ T3598]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  107.419200][ T3598]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.419205][ T3598]  ? 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)
[  107.419207][ T3598]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.419210][ T3598]  put_chars (drivers/char/virtio_console.c:1176)
[  107.419211][ T3598]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.419213][ T3598]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  107.419215][ T3598]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.419220][ T3598]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.419222][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419223][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419225][ T3598]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.419228][ T3598]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.419230][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419231][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419232][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419233][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419235][ T3598]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  107.419237][ T3598]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.419239][ T3598]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.419242][ T3598]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.419244][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419245][ T3598]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.419247][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419248][ T3598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.419249][ T3598]  ? 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)
[  107.419251][ T3598]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  107.419252][ T3598]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.419254][ T3598]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.419255][ T3598]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.419257][ T3598]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.419258][ T3598]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  107.419260][ T3598]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  107.419263][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419264][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419266][ T3598]  _printk (kernel/printk/printk.c:2504)
[  107.419268][ T3598]  ? snapshot_read.cold (user.c:?)
[  107.419270][ T3598]  ? br_multicast_flood (??:?)
[  107.419274][ T3598]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  107.419276][ T3598]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  107.419277][ T3598]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  107.419279][ T3598]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  107.419282][ T3598]  br_init_port (net/bridge/br_stp_if.c:39)
[  107.419284][ T3598]  new_nbp (net/bridge/br_if.c:449)
[  107.419286][ T3598]  br_add_if (net/bridge/br_if.c:592)
[  107.419288][ T3598]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  107.419290][ T3598]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  107.419292][ T3598]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  107.419295][ T3598]  do_set_master (net/core/rtnetlink.c:3071)
[  107.419296][ T3598]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  107.419298][ T3598]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  107.419299][ T3598]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  107.419300][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419302][ T3598]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  107.419305][ T3598]  ? kasan_save_stack (mm/kasan/common.c:58)
[  107.419307][ T3598]  ? kasan_save_stack (mm/kasan/common.c:57)
[  107.419308][ T3598]  ? kasan_save_track (mm/kasan/common.c:78)
[  107.419309][ T3598]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  107.419310][ T3598]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  107.419311][ T3598]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  107.419312][ T3598]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  107.419313][ T3598]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.419316][ T3598]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.419318][ T3598]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.419319][ T3598]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.419322][ T3598]  ? ____sys_sendmsg (net/socket.c:2713)
[  107.419323][ T3598]  ? ___sys_sendmsg (net/socket.c:2767)
[  107.419325][ T3598]  ? __sys_sendmsg (net/socket.c:2799)
[  107.419326][ T3598]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.419329][ T3598]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.419332][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419333][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419334][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419335][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419337][ T3598]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  107.419338][ T3598]  ? __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)
[  107.419340][ T3598]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  107.419341][ T3598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  107.419343][ T3598]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  107.419344][ T3598]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.419347][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419348][ T3598]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  107.419350][ T3598]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  107.419352][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419353][ T3598]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.419354][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419356][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419357][ T3598]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  107.419358][ T3598]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  107.419360][ T3598]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  107.419361][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419362][ T3598]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  107.419365][ T3598]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  107.419367][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419368][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419370][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419371][ T3598]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.419372][ T3598]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  107.419374][ T3598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.419375][ T3598]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  107.419377][ T3598]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  107.419379][ T3598]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.419381][ T3598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.419382][ T3598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.419384][ T3598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.419385][ T3598]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  107.419388][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419389][ T3598]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.419391][ T3598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.419393][ T3598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.419395][ T3598]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.419397][ T3598]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.419399][ T3598]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.419401][ T3598]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  107.419402][ T3598]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.419404][ T3598]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  107.419407][ T3598]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.419409][ T3598]  ____sys_sendmsg (net/socket.c:2713)
[  107.419410][ T3598]  ? copy_msghdr_from_user (net/socket.c:2650)
[  107.419412][ T3598]  ? sock_write_iter (net/socket.c:1269)
[  107.419413][ T3598]  ? move_addr_to_kernel (net/socket.c:258)
[  107.419415][ T3598]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  107.419417][ T3598]  ___sys_sendmsg (net/socket.c:2767)
[  107.419419][ T3598]  ? copy_msghdr_from_user (net/socket.c:2619)
[  107.419424][ T3598]  __sys_sendmsg (net/socket.c:2799)
[  107.419426][ T3598]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  107.419429][ T3598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.419430][ T3598]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.419432][ T3598]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.419434][ T3598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.419435][ T3598] RIP: 0033:0x7ff4fdbe254e
[  107.419437][ T3598] 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
[  107.419439][ T3598] RSP: 002b:00007fff4e01bbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.419442][ T3598] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4fdbe254e
[  107.419444][ T3598] RDX: 0000000000000000 RSI: 00007fff4e01bca0 RDI: 0000000000000005
[  107.419445][ T3598] RBP: 00007fff4e01bc00 R08: 0000000000000000 R09: 0000000000000000
[  107.419445][ T3598] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a0f
[  107.419446][ T3598] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4e01c370
| [  108.493422][ T3671] softirqs last disabled at (0): 0x0
| [  108.493424][ T3671] Preemption disabled at:
| [  108.493424][ T3671] vprintk_emit (kernel/printk/printk.c:2471)
| [  108.493435][ T3671] Tainted: [W]=WARN
[  108.493436][ T3671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.493438][ T3671] Call Trace:
[  108.493439][ T3671]  <TASK>
[  108.493441][ T3671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  108.493447][ T3671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  108.493448][ T3671]  __might_resched.cold (kernel/sched/core.c:9234)
[  108.493452][ T3671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  108.493455][ T3671]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  108.493459][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493461][ T3671]  __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))
[  108.493464][ T3671]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  108.493468][ T3671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.493473][ T3671]  ? 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)
[  108.493475][ T3671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.493478][ T3671]  put_chars (drivers/char/virtio_console.c:1176)
[  108.493479][ T3671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  108.493481][ T3671]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  108.493484][ T3671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  108.493489][ T3671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  108.493491][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493492][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493495][ T3671]  console_emit_next_record (kernel/printk/printk.c:3183)
[  108.493497][ T3671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  108.493500][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493501][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493502][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493503][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493505][ T3671]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  108.493507][ T3671]  console_flush_one_record (kernel/printk/printk.c:3268)
[  108.493509][ T3671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  108.493515][ T3671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  108.493516][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493518][ T3671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  108.493520][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493521][ T3671]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.493523][ T3671]  ? 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)
[  108.493524][ T3671]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  108.493526][ T3671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  108.493528][ T3671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  108.493530][ T3671]  vprintk_emit (kernel/printk/printk.c:2479)
[  108.493532][ T3671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  108.493533][ T3671]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  108.493535][ T3671]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  108.493538][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493539][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493546][ T3671]  _printk (kernel/printk/printk.c:2504)
[  108.493550][ T3671]  ? snapshot_read.cold (user.c:?)
[  108.493553][ T3671]  ? br_multicast_flood (??:?)
[  108.493556][ T3671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  108.493559][ T3671]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  108.493560][ T3671]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  108.493562][ T3671]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  108.493565][ T3671]  br_init_port (net/bridge/br_stp_if.c:39)
[  108.493567][ T3671]  new_nbp (net/bridge/br_if.c:449)
[  108.493569][ T3671]  br_add_if (net/bridge/br_if.c:592)
[  108.493571][ T3671]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  108.493574][ T3671]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  108.493575][ T3671]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  108.493578][ T3671]  do_set_master (net/core/rtnetlink.c:3071)
[  108.493580][ T3671]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  108.493582][ T3671]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  108.493584][ T3671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  108.493585][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493586][ T3671]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  108.493590][ T3671]  ? kasan_save_stack (mm/kasan/common.c:58)
[  108.493592][ T3671]  ? kasan_save_stack (mm/kasan/common.c:57)
[  108.493593][ T3671]  ? kasan_save_track (mm/kasan/common.c:78)
[  108.493594][ T3671]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  108.493596][ T3671]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  108.493597][ T3671]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  108.493598][ T3671]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  108.493599][ T3671]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.493602][ T3671]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.493604][ T3671]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.493605][ T3671]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.493608][ T3671]  ? ____sys_sendmsg (net/socket.c:2713)
[  108.493610][ T3671]  ? ___sys_sendmsg (net/socket.c:2767)
[  108.493611][ T3671]  ? __sys_sendmsg (net/socket.c:2799)
[  108.493613][ T3671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.493616][ T3671]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.493619][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493620][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493622][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493623][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493624][ T3671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  108.493626][ T3671]  ? __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)
[  108.493627][ T3671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  108.493629][ T3671]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  108.493630][ T3671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  108.493631][ T3671]  ? nla_get_range_signed (lib/nlattr.c:270)
[  108.493635][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493636][ T3671]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  108.493638][ T3671]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  108.493640][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493641][ T3671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  108.493643][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493644][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493646][ T3671]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  108.493647][ T3671]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  108.493648][ T3671]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  108.493650][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493651][ T3671]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  108.493654][ T3671]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  108.493657][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493658][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493659][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493661][ T3671]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  108.493662][ T3671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  108.493664][ T3671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.493665][ T3671]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  108.493667][ T3671]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  108.493669][ T3671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.493671][ T3671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.493672][ T3671]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.493674][ T3671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.493676][ T3671]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  108.493679][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493680][ T3671]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.493682][ T3671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.493684][ T3671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.493686][ T3671]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.493688][ T3671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.493691][ T3671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  108.493692][ T3671]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  108.493694][ T3671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.493696][ T3671]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  108.493699][ T3671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.493701][ T3671]  ____sys_sendmsg (net/socket.c:2713)
[  108.493703][ T3671]  ? copy_msghdr_from_user (net/socket.c:2650)
[  108.493704][ T3671]  ? sock_write_iter (net/socket.c:1269)
[  108.493706][ T3671]  ? move_addr_to_kernel (net/socket.c:258)
[  108.493708][ T3671]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  108.493710][ T3671]  ___sys_sendmsg (net/socket.c:2767)
[  108.493712][ T3671]  ? copy_msghdr_from_user (net/socket.c:2619)
[  108.493717][ T3671]  __sys_sendmsg (net/socket.c:2799)
[  108.493719][ T3671]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  108.493722][ T3671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.493724][ T3671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.493725][ T3671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  108.493728][ T3671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.493729][ T3671] RIP: 0033:0x7f0d3f27154e
[  108.493731][ T3671] 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
[  108.493733][ T3671] RSP: 002b:00007ffe24144500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.493737][ T3671] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d3f27154e
[  108.493738][ T3671] RDX: 0000000000000000 RSI: 00007ffe241445b0 RDI: 0000000000000005
[  108.493739][ T3671] RBP: 00007ffe24144510 R08: 0000000000000000 R09: 0000000000000000
[  108.493740][ T3671] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a10
[  108.493741][ T3671] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe24144c80
| [  109.954463][   T71] softirqs last disabled at (847410): dev_mc_flush (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1165 (discriminator 2))
| [  109.954466][   T71] Preemption disabled at:
| [  109.954466][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  109.954477][   T71] Tainted: [W]=WARN
[  109.954478][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.954480][   T71] Workqueue: netns cleanup_net
[  109.954485][   T71] Call Trace:
[  109.954486][   T71]  <TASK>
[  109.954488][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.954494][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  109.954495][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.954499][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  109.954501][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.954504][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954507][   T71]  __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))
[  109.954513][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.954517][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.954522][   T71]  ? 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)
[  109.954523][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.954526][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  109.954527][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.954529][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  109.954532][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.954537][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.954538][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  109.954541][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.954543][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954544][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954545][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.954554][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.954556][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954557][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954558][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954559][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.954561][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  109.954563][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.954565][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.954568][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.954570][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.954572][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.954573][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954574][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.954576][   T71]  ? 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)
[  109.954577][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  109.954579][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.954581][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.954582][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.954584][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.954585][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  109.954586][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  109.954588][   T71]  ? kthread (kernel/kthread.c:436)
[  109.954590][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  109.954593][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  109.954595][   T71]  _printk (kernel/printk/printk.c:2504)
[  109.954598][   T71]  ? snapshot_read.cold (user.c:?)
[  109.954601][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  109.954604][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  109.954606][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  109.954608][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  109.954611][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954612][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  109.954614][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  109.954617][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  109.954618][   T71]  ? 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)
[  109.954620][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  109.954622][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  109.954624][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  109.954627][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  109.954630][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  109.954632][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  109.954634][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  109.954636][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  109.954639][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  109.954641][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  109.954642][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  109.954645][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.954647][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.954648][   T71]  process_one_work (kernel/workqueue.c:3387)
[  109.954651][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  109.954653][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.954656][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  109.954658][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.954660][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  109.954662][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.954664][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.954665][   T71]  kthread (kernel/kthread.c:436)
[  109.954667][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  109.954669][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  109.954671][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  109.954672][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  109.954674][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  109.954678][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_mc_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print