======================================
| [   11.429245][  T224] softirqs last disabled at (39157): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.429247][  T224] Preemption disabled at:
| [   11.429248][  T224] 0x0
| [   11.429258][  T224] Tainted: [W]=WARN
[   11.429259][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.429261][  T224] Call Trace:
[   11.429262][  T224]  <TASK>
[   11.429264][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.429270][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.429275][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.429279][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.429284][  T224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.429286][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.429292][  T224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.429294][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.429298][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   11.429301][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.429302][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.429307][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.429311][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.429318][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.429320][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.429322][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.429326][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.429330][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.429331][  T224]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.429335][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.429337][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.429341][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.429345][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.429347][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.429352][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.429354][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.429356][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.429358][  T224]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.429362][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.429364][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.429367][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.429371][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.429374][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.429378][  T224]  _printk (kernel/printk/printk.c:2504)
[   11.429381][  T224]  ? snapshot_read.cold (user.c:?)
[   11.429384][  T224]  ? 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)
[   11.429387][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.429394][  T224]  ? 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)
[   11.429396][  T224]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.429400][  T224]  ? exit_notify (kernel/exit.c:780)
[   11.429402][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.429405][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.429409][  T224]  do_group_exit (kernel/exit.c:1151)
[   11.429412][  T224]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.429414][  T224]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.429416][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.429419][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.429422][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.429424][  T224] RIP: 0033:0x7f75debfa1b8
[   11.429426][  T224] Code: Unable to access opcode bytes at 0x7f75debfa18e.

Code starting with the faulting instruction
===========================================
[   11.429428][  T224] RSP: 002b:00007ffdb0917678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.429430][  T224] RAX: ffffffffffffffda RBX: 00007f75ded2af88 RCX: 00007f75debfa1b8
[   11.429431][  T224] RDX: 00007f75de458408 RSI: fffffffffffffe90 RDI: 0000000000000000
[   11.429432][  T224] RBP: 00007ffdb09176d0 R08: 0000000000000000 R09: 0000000000000050
[   11.429433][  T224] R10: 00007ffdb09174d0 R11: 0000000000000246 R12: 0000000000000001
[   11.429434][  T224] R13: 0000000000000000 R14: 00007f75ded29680 R15: 00007f75ded2afa0
| [   12.670341][  T266] softirqs last disabled at (19590): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.670343][  T266] Preemption disabled at:
| [   12.670344][  T266] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.670353][  T266] Tainted: [W]=WARN
[   12.670353][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.670355][  T266] Call Trace:
[   12.670357][  T266]  <TASK>
[   12.670358][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.670364][  T266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.670366][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.670371][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.670374][  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)
[   12.670379][  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))
[   12.670382][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.670387][  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)
[   12.670389][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.670396][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   12.670398][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.670402][  T266]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.670406][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.670409][  T266]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.670411][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670412][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670416][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.670418][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.670421][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670425][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.670429][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.670432][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.670434][  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))
[   12.670437][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670439][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.670443][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.670447][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.670449][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670454][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.670457][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.670458][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670461][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.670464][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.670466][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.670469][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.670473][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.670475][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.670476][  T266]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.670480][  T266]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.670484][  T266]  _printk (kernel/printk/printk.c:2504)
[   12.670487][  T266]  ? snapshot_read.cold (user.c:?)
[   12.670491][  T266]  ? br_multicast_flood (??:?) bridge
[   12.670503][  T266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.670505][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.670506][  T266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.670510][  T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.670520][  T266] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.670528][  T266] new_nbp (net/bridge/br_if.c:449) bridge
[   12.670537][  T266] br_add_if (net/bridge/br_if.c:592) bridge
[   12.670544][  T266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.670548][  T266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.670551][  T266]  ? __kernel_text_address (kernel/extable.c:79)
[   12.670555][  T266]  do_set_master (net/core/rtnetlink.c:3071)
[   12.670560][  T266]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.670563][  T266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.670566][  T266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.670567][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.670569][  T266]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.670573][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.670576][  T266]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.670577][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.670580][  T266]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.670583][  T266]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.670584][  T266]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.670587][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670589][  T266]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.670592][  T266]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.670596][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.670598][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.670601][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670603][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.670604][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670606][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670609][  T266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.670612][  T266]  ? __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)
[   12.670614][  T266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.670616][  T266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.670619][  T266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.670621][  T266]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.670625][  T266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.670630][  T266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.670635][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.670637][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670641][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.670643][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.670645][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.670647][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.670650][  T266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.670652][  T266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.670655][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.670657][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670661][  T266]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.670663][  T266]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.670666][  T266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.670668][  T266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.670671][  T266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.670676][  T266]  ? 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))
[   12.670678][  T266]  ? 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))
[   12.670682][  T266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.670686][  T266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.670688][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.670692][  T266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.670696][  T266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.670699][  T266]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.670704][  T266]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.670706][  T266]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.670709][  T266]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.670710][  T266]  ? move_addr_to_kernel (net/socket.c:258)
[   12.670717][  T266]  ___sys_sendmsg (net/socket.c:2767)
[   12.670720][  T266]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.670735][  T266]  __sys_sendmsg (net/socket.c:2799)
[   12.670738][  T266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.670744][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.670747][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.670749][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.670752][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.670755][  T266] RIP: 0033:0x7f4fc924454e
[   12.670758][  T266] 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
[   12.670760][  T266] RSP: 002b:00007ffda58bc970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.670762][  T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4fc924454e
[   12.670764][  T266] RDX: 0000000000000000 RSI: 00007ffda58bca20 RDI: 0000000000000005
[   12.670765][  T266] RBP: 00007ffda58bc980 R08: 0000000000000000 R09: 0000000000000000
[   12.670765][  T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df00
[   12.670766][  T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda58bd0e0
| [   28.018504][    C2] softirqs last disabled at (1054707): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.018505][    C2] Preemption disabled at:
| [   28.018506][    C2] 0x0
| [   28.018517][    C2] Tainted: [W]=WARN
[   28.018518][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.018520][    C2] Call Trace:
[   28.018521][    C2]  <IRQ>
[   28.018523][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.018529][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.018532][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.018535][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.018538][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.018541][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018544][    C2]  __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))
[   28.018548][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.018549][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.018553][    C2]  ? 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)
[   28.018554][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.018556][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   28.018558][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.018560][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.018563][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.018567][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.018568][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018570][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.018572][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.018574][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.018576][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018578][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018580][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.018581][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.018583][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.018585][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.018588][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.018590][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.018591][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.018593][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018594][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.018596][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.018598][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.018599][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.018601][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.018604][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.018606][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.018618][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.018619][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.018626][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.018632][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.018636][    C2]  _printk (kernel/printk/printk.c:2504)
[   28.018639][    C2]  ? snapshot_read.cold (user.c:?)
[   28.018640][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.018645][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.018647][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.018649][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.018651][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.018654][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.018655][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.018657][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.018659][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.018661][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.018667][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018669][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.018671][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.018677][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.018679][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.018685][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.018691][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.018697][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   28.018700][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.018701][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.018705][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.018707][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.018708][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018710][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.018712][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.018719][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.018721][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.018723][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.018725][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.018727][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.018729][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.018731][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018733][    C2]  handle_softirqs (kernel/softirq.c:645)
[   28.018735][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.018737][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.018738][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.018740][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   28.018742][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.018744][    C2]  </IRQ>
[   28.018745][    C2]  <TASK>
[   28.018746][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.018748][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.018751][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.018752][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   28.018755][    C2] RAX: 00000000001017f1 RBX: ff11000001bec6c0 RCX: ffffffff888f0307
[   28.018757][    C2] RDX: ff11000001bec6c0 RSI: ffffffff8b638b1c RDI: ffffffff8b08d8e0
[   28.018757][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.018758][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   28.018759][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.018761][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.018764][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.018766][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   28.018768][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.018769][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   28.018771][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.018773][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.018775][    C2]  do_idle (kernel/sched/idle.c:355)
[   28.018777][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.018778][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.018780][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.018782][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.078558][    C2]
| [   28.078619][    C2]
| [   28.078619][    C2] stack backtrace:
| [   28.078823][    C2] Tainted: [W]=WARN
[   28.078824][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.078825][    C2] Call Trace:
[   28.078827][    C2]  <IRQ>
[   28.078829][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.078833][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.078835][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.078838][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.078840][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.078842][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.078844][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.078846][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.078853][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078856][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.078858][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.078864][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.078865][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.078871][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.078877][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.078884][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   28.078886][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.078888][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.078891][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.078893][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.078895][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078897][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.078899][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.078906][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.078908][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.078910][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.078913][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.078915][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.078916][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.078919][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078920][    C2]  handle_softirqs (kernel/softirq.c:645)
[   28.078922][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.078924][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.078926][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.078927][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   28.078929][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.078930][    C2]  </IRQ>
[   28.078931][    C2]  <TASK>
[   28.078932][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.078933][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.078936][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.078937][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   28.078939][    C2] RAX: 00000000001017f1 RBX: ff11000001bec6c0 RCX: ffffffff888f0307
[   28.078940][    C2] RDX: ff11000001bec6c0 RSI: ffffffff8b638b1c RDI: ffffffff8b08d8e0
[   28.078941][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.078942][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   28.078943][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.078944][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.078946][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.078948][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   28.078950][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.078951][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   28.078953][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.078955][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.078957][    C2]  do_idle (kernel/sched/idle.c:355)
[   28.078958][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.078960][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.078961][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.078963][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   53.079862][ T2059] softirqs last disabled at (0): 0x0
| [   53.079864][ T2059] Preemption disabled at:
| [   53.079864][ T2059] 0x0
| [   53.079873][ T2059] Tainted: [W]=WARN
[   53.079874][ T2059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.079876][ T2059] Call Trace:
[   53.079877][ T2059]  <TASK>
[   53.079878][ T2059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.079883][ T2059]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.079887][ T2059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.079891][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079894][ T2059]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.079898][ T2059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   53.079901][ T2059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.079904][ T2059]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.079906][ T2059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.079908][ T2059]  put_chars (drivers/char/virtio_console.c:1176)
[   53.079910][ T2059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.079912][ T2059]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   53.079915][ T2059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.079918][ T2059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.079920][ T2059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   53.079922][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079924][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.079926][ T2059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.079928][ T2059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.079930][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079932][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079933][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079935][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.079937][ T2059]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   53.079938][ T2059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.079941][ T2059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.079943][ T2059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.079945][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.079947][ T2059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.079948][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079950][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.079951][ T2059]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.079953][ T2059]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   53.079955][ T2059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.079957][ T2059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.079959][ T2059]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.079961][ T2059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.079963][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079964][ T2059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.079967][ T2059]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   53.079969][ T2059]  _printk (kernel/printk/printk.c:2504)
[   53.079972][ T2059]  ? snapshot_read.cold (user.c:?)
[   53.079974][ T2059]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   53.079978][ T2059] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   53.079991][ T2059] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   53.079999][ T2059] br_device_event (net/bridge/br.c:111) bridge
[   53.080008][ T2059]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   53.080012][ T2059]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   53.080014][ T2059]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   53.080017][ T2059]  notifier_call_chain (kernel/notifier.c:85)
[   53.080020][ T2059]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   53.080024][ T2059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.080025][ T2059]  ? netif_change_name (net/core/dev.c:1517)
[   53.080028][ T2059]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.080029][ T2059]  ? __kernel_text_address (kernel/extable.c:79)
[   53.080032][ T2059]  ? write_profile (profile.c:?)
[   53.080034][ T2059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.080037][ T2059]  netif_change_flags (net/core/dev.c:9882)
[   53.080039][ T2059]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   53.080042][ T2059]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.080043][ T2059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.080044][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080046][ T2059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   53.080050][ T2059]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.080053][ T2059]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.080054][ T2059]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.080055][ T2059]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   53.080057][ T2059]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   53.080058][ T2059]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   53.080059][ T2059]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.080061][ T2059]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.080063][ T2059]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.080064][ T2059]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.080066][ T2059]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.080068][ T2059]  ? ___sys_sendmsg (net/socket.c:2767)
[   53.080070][ T2059]  ? __sys_sendmsg (net/socket.c:2799)
[   53.080071][ T2059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.080073][ T2059]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.080076][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080078][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.080079][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080081][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080082][ T2059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.080085][ T2059]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   53.080087][ T2059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.080088][ T2059]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.080090][ T2059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.080092][ T2059]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.080094][ T2059]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.080096][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080098][ T2059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.080099][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.080100][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080102][ T2059]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   53.080105][ T2059]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   53.080107][ T2059]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.080108][ T2059]  ? __kernel_text_address (kernel/extable.c:79)
[   53.080109][ T2059]  ? write_profile (profile.c:?)
[   53.080111][ T2059]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.080112][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080114][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080115][ T2059]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   53.080118][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.080120][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080121][ T2059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.080123][ T2059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.080124][ T2059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.080126][ T2059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   53.080127][ T2059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   53.080129][ T2059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.080131][ T2059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.080132][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.080133][ T2059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.080135][ T2059]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   53.080137][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080139][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.080141][ T2059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.080143][ T2059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.080145][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080146][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080148][ T2059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.080150][ T2059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.080152][ T2059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.080153][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080155][ T2059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.080157][ T2059]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.080158][ T2059]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.080160][ T2059]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.080162][ T2059]  ? move_addr_to_kernel (net/socket.c:258)
[   53.080163][ T2059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   53.080165][ T2059]  ___sys_sendmsg (net/socket.c:2767)
[   53.080167][ T2059]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.080172][ T2059]  __sys_sendmsg (net/socket.c:2799)
[   53.080174][ T2059]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.080176][ T2059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.080178][ T2059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.080180][ T2059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.080182][ T2059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.080183][ T2059] RIP: 0033:0x7f9bac6c354e
[   53.080185][ T2059] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.080187][ T2059] RSP: 002b:00007ffc30221b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.080191][ T2059] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9bac6c354e
[   53.080192][ T2059] RDX: 0000000000000000 RSI: 00007ffc30221c00 RDI: 0000000000000005
[   53.080193][ T2059] RBP: 00007ffc30221b60 R08: 0000000000000000 R09: 0000000000000000
[   53.080193][ T2059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df28
[   53.080194][ T2059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc302222c0
| [   91.452627][ T3881] softirqs last disabled at (0): 0x0
| [   91.452629][ T3881] Preemption disabled at:
| [   91.452630][ T3881] 0x0
| [   91.452638][ T3881] Tainted: [W]=WARN
[   91.452639][ T3881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.452641][ T3881] Call Trace:
[   91.452642][ T3881]  <TASK>
[   91.452643][ T3881]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.452649][ T3881]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.452653][ T3881]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.452657][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452660][ T3881]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   91.452664][ T3881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.452667][ T3881]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.452671][ T3881]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   91.452672][ T3881]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.452674][ T3881]  put_chars (drivers/char/virtio_console.c:1176)
[   91.452676][ T3881]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.452678][ T3881]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   91.452681][ T3881]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.452684][ T3881]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.452686][ T3881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   91.452688][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452689][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452692][ T3881]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.452694][ T3881]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.452696][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452697][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452699][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452701][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452703][ T3881]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   91.452704][ T3881]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.452707][ T3881]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.452709][ T3881]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.452711][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452712][ T3881]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.452714][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452716][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.452717][ T3881]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   91.452718][ T3881]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   91.452720][ T3881]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.452722][ T3881]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.452725][ T3881]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.452727][ T3881]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.452729][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452730][ T3881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.452733][ T3881]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   91.452734][ T3881]  _printk (kernel/printk/printk.c:2504)
[   91.452737][ T3881]  ? snapshot_read.cold (user.c:?)
[   91.452739][ T3881]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   91.452744][ T3881] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   91.452758][ T3881] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   91.452766][ T3881] br_device_event (net/bridge/br.c:111) bridge
[   91.452775][ T3881]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   91.452778][ T3881]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   91.452780][ T3881]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   91.452784][ T3881]  notifier_call_chain (kernel/notifier.c:85)
[   91.452787][ T3881]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   91.452791][ T3881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.452792][ T3881]  ? netif_change_name (net/core/dev.c:1517)
[   91.452794][ T3881]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   91.452796][ T3881]  ? __kernel_text_address (kernel/extable.c:79)
[   91.452798][ T3881]  ? write_profile (profile.c:?)
[   91.452800][ T3881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.452803][ T3881]  netif_change_flags (net/core/dev.c:9882)
[   91.452805][ T3881]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   91.452808][ T3881]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   91.452810][ T3881]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   91.452811][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452812][ T3881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.452816][ T3881]  ? kasan_save_stack (mm/kasan/common.c:58)
[   91.452819][ T3881]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.452821][ T3881]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.452822][ T3881]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.452823][ T3881]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   91.452825][ T3881]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   91.452826][ T3881]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.452827][ T3881]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.452830][ T3881]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.452831][ T3881]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.452832][ T3881]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   91.452835][ T3881]  ? ___sys_sendmsg (net/socket.c:2767)
[   91.452836][ T3881]  ? __sys_sendmsg (net/socket.c:2799)
[   91.452838][ T3881]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.452840][ T3881]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.452842][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452844][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452845][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452847][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452849][ T3881]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   91.452852][ T3881]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   91.452853][ T3881]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   91.452854][ T3881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.452856][ T3881]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   91.452858][ T3881]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   91.452860][ T3881]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.452862][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452864][ T3881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.452865][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452866][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452868][ T3881]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   91.452871][ T3881]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   91.452873][ T3881]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   91.452874][ T3881]  ? __kernel_text_address (kernel/extable.c:79)
[   91.452875][ T3881]  ? write_profile (profile.c:?)
[   91.452877][ T3881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.452878][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452880][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452881][ T3881]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   91.452885][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452886][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452888][ T3881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.452889][ T3881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.452891][ T3881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.452892][ T3881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.452893][ T3881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   91.452895][ T3881]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.452897][ T3881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.452898][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.452900][ T3881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.452901][ T3881]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   91.452903][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452905][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.452907][ T3881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.452909][ T3881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.452910][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452912][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452914][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.452915][ T3881]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.452917][ T3881]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.452919][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452921][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   91.452923][ T3881]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   91.452924][ T3881]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.452926][ T3881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   91.452927][ T3881]  ? move_addr_to_kernel (net/socket.c:258)
[   91.452929][ T3881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   91.452931][ T3881]  ___sys_sendmsg (net/socket.c:2767)
[   91.452933][ T3881]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.452938][ T3881]  __sys_sendmsg (net/socket.c:2799)
[   91.452939][ T3881]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.452942][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.452944][ T3881]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.452945][ T3881]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.452947][ T3881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.452949][ T3881] RIP: 0033:0x7f4a9f94f54e
[   91.452951][ T3881] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   91.452952][ T3881] RSP: 002b:00007ffd093abea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.452956][ T3881] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4a9f94f54e
[   91.452958][ T3881] RDX: 0000000000000000 RSI: 00007ffd093abf50 RDI: 0000000000000005
[   91.452958][ T3881] RBP: 00007ffd093abeb0 R08: 0000000000000000 R09: 0000000000000000
[   91.452959][ T3881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df4e
[   91.452960][ T3881] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd093ac610
| [  167.852030][ T7760] softirqs last disabled at (0): 0x0
| [  167.852032][ T7760] Preemption disabled at:
| [  167.852032][ T7760] 0x0
| [  167.852041][ T7760] Tainted: [W]=WARN
[  167.852042][ T7760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  167.852043][ T7760] Call Trace:
[  167.852045][ T7760]  <TASK>
[  167.852046][ T7760]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  167.852052][ T7760]  __might_resched.cold (kernel/sched/core.c:9234)
[  167.852056][ T7760]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  167.852059][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852063][ T7760]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  167.852067][ T7760]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.852069][ T7760]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.852073][ T7760]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  167.852075][ T7760]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.852077][ T7760]  put_chars (drivers/char/virtio_console.c:1176)
[  167.852079][ T7760]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  167.852080][ T7760]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  167.852084][ T7760]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  167.852087][ T7760]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  167.852089][ T7760]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.852090][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852092][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852094][ T7760]  console_emit_next_record (kernel/printk/printk.c:3183)
[  167.852097][ T7760]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  167.852099][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852101][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852102][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852104][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852106][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  167.852107][ T7760]  console_flush_one_record (kernel/printk/printk.c:3268)
[  167.852110][ T7760]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  167.852112][ T7760]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  167.852114][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852115][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  167.852117][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852118][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.852120][ T7760]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  167.852121][ T7760]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  167.852123][ T7760]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  167.852125][ T7760]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  167.852127][ T7760]  vprintk_emit (kernel/printk/printk.c:2479)
[  167.852130][ T7760]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  167.852131][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852133][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  167.852136][ T7760]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  167.852137][ T7760]  _printk (kernel/printk/printk.c:2504)
[  167.852140][ T7760]  ? snapshot_read.cold (user.c:?)
[  167.852142][ T7760]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  167.852147][ T7760] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  167.852162][ T7760] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  167.852171][ T7760] br_device_event (net/bridge/br.c:111) bridge
[  167.852181][ T7760]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  167.852184][ T7760]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  167.852187][ T7760]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  167.852191][ T7760]  notifier_call_chain (kernel/notifier.c:85)
[  167.852194][ T7760]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  167.852198][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  167.852200][ T7760]  ? netif_change_name (net/core/dev.c:1517)
[  167.852202][ T7760]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  167.852204][ T7760]  ? __kernel_text_address (kernel/extable.c:79)
[  167.852206][ T7760]  ? write_profile (profile.c:?)
[  167.852208][ T7760]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  167.852211][ T7760]  netif_change_flags (net/core/dev.c:9882)
[  167.852214][ T7760]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  167.852216][ T7760]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  167.852218][ T7760]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  167.852219][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852221][ T7760]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  167.852224][ T7760]  ? kasan_save_stack (mm/kasan/common.c:58)
[  167.852227][ T7760]  ? kasan_save_stack (mm/kasan/common.c:57)
[  167.852228][ T7760]  ? kasan_save_track (mm/kasan/common.c:78)
[  167.852230][ T7760]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  167.852231][ T7760]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  167.852233][ T7760]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  167.852234][ T7760]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.852235][ T7760]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.852238][ T7760]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.852239][ T7760]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.852240][ T7760]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  167.852243][ T7760]  ? ___sys_sendmsg (net/socket.c:2767)
[  167.852244][ T7760]  ? __sys_sendmsg (net/socket.c:2799)
[  167.852246][ T7760]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.852248][ T7760]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.852251][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852252][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852254][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852255][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852257][ T7760]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  167.852260][ T7760]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  167.852261][ T7760]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  167.852263][ T7760]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  167.852264][ T7760]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  167.852266][ T7760]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  167.852268][ T7760]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  167.852270][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852272][ T7760]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.852273][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852274][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852276][ T7760]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  167.852280][ T7760]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  167.852281][ T7760]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  167.852283][ T7760]  ? __kernel_text_address (kernel/extable.c:79)
[  167.852284][ T7760]  ? write_profile (profile.c:?)
[  167.852285][ T7760]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  167.852286][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852288][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852290][ T7760]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  167.852293][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852295][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852296][ T7760]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.852298][ T7760]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.852299][ T7760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.852301][ T7760]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  167.852302][ T7760]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  167.852304][ T7760]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.852306][ T7760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.852307][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.852309][ T7760]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  167.852310][ T7760]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  167.852312][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852314][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.852316][ T7760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.852318][ T7760]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  167.852319][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852321][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852323][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.852324][ T7760]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.852326][ T7760]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  167.852328][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852330][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.852332][ T7760]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  167.852333][ T7760]  ? copy_msghdr_from_user (net/socket.c:2650)
[  167.852335][ T7760]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  167.852336][ T7760]  ? move_addr_to_kernel (net/socket.c:258)
[  167.852338][ T7760]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  167.852340][ T7760]  ___sys_sendmsg (net/socket.c:2767)
[  167.852342][ T7760]  ? copy_msghdr_from_user (net/socket.c:2619)
[  167.852347][ T7760]  __sys_sendmsg (net/socket.c:2799)
[  167.852349][ T7760]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  167.852351][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.852353][ T7760]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.852355][ T7760]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  167.852357][ T7760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.852359][ T7760] RIP: 0033:0x7fa73b3bd54e
[  167.852361][ T7760] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  167.852362][ T7760] RSP: 002b:00007ffed08193a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  167.852366][ T7760] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa73b3bd54e
[  167.852368][ T7760] RDX: 0000000000000000 RSI: 00007ffed0819450 RDI: 0000000000000005
[  167.852368][ T7760] RBP: 00007ffed08193b0 R08: 0000000000000000 R09: 0000000000000000
[  167.852369][ T7760] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90df9b
[  167.852370][ T7760] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed0819b10
| [  173.534112][ T7810] softirqs last disabled at (0): 0x0
| [  173.534113][ T7810] Preemption disabled at:
| [  173.534114][ T7810] 0x0
| [  173.534123][ T7810] Tainted: [W]=WARN
[  173.534124][ T7810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.534126][ T7810] Call Trace:
[  173.534127][ T7810]  <TASK>
[  173.534129][ T7810]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.534135][ T7810]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.534139][ T7810]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.534143][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534147][ T7810]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.534150][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.534153][ T7810]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.534157][ T7810]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.534159][ T7810]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.534161][ T7810]  put_chars (drivers/char/virtio_console.c:1176)
[  173.534163][ T7810]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  173.534165][ T7810]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.534167][ T7810]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  173.534169][ T7810]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.534172][ T7810]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.534173][ T7810]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  173.534175][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.534177][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534178][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534180][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534182][ T7810]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.534185][ T7810]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.534187][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534188][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534190][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534192][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534194][ T7810]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  173.534195][ T7810]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.534197][ T7810]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.534200][ T7810]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.534202][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534203][ T7810]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.534205][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534207][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.534208][ T7810]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  173.534210][ T7810]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  173.534213][ T7810]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.534216][ T7810]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.534219][ T7810]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.534223][ T7810]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.534225][ T7810]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[  173.534229][ T7810]  ? debug_object_activate (lib/debugobjects.c:884)
[  173.534231][ T7810]  _printk (kernel/printk/printk.c:2504)
[  173.534235][ T7810]  ? snapshot_read.cold (user.c:?)
[  173.534237][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.534238][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534240][ T7810]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  173.534243][ T7810] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  173.534257][ T7810] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  173.534266][ T7810] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[  173.534273][ T7810] br_dev_stop (net/bridge/br_device.c:193) bridge
[  173.534282][ T7810]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  173.534285][ T7810]  __dev_close_many (net/core/dev.c:1798)
[  173.534289][ T7810]  ? netif_open (net/core/dev.c:1755)
[  173.534291][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534292][ T7810]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  173.534294][ T7810]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[  173.534297][ T7810]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  173.534299][ T7810]  ? __kernel_text_address (kernel/extable.c:79)
[  173.534301][ T7810]  ? write_profile (profile.c:?)
[  173.534303][ T7810]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  173.534306][ T7810]  netif_change_flags (net/core/dev.c:9877)
[  173.534308][ T7810]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  173.534310][ T7810]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  173.534312][ T7810]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  173.534313][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534314][ T7810]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  173.534318][ T7810]  ? kasan_save_stack (mm/kasan/common.c:58)
[  173.534320][ T7810]  ? kasan_save_stack (mm/kasan/common.c:57)
[  173.534322][ T7810]  ? kasan_save_track (mm/kasan/common.c:78)
[  173.534323][ T7810]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  173.534325][ T7810]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  173.534327][ T7810]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  173.534328][ T7810]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.534329][ T7810]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.534332][ T7810]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.534333][ T7810]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.534334][ T7810]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  173.534337][ T7810]  ? ___sys_sendmsg (net/socket.c:2767)
[  173.534338][ T7810]  ? __sys_sendmsg (net/socket.c:2799)
[  173.534340][ T7810]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.534343][ T7810]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.534345][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534347][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534348][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534350][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534352][ T7810]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  173.534355][ T7810]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  173.534357][ T7810]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  173.534358][ T7810]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  173.534360][ T7810]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  173.534362][ T7810]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  173.534364][ T7810]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.534366][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534368][ T7810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.534369][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534370][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534372][ T7810]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  173.534376][ T7810]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  173.534377][ T7810]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  173.534379][ T7810]  ? __kernel_text_address (kernel/extable.c:79)
[  173.534380][ T7810]  ? write_profile (profile.c:?)
[  173.534381][ T7810]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  173.534382][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534384][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534386][ T7810]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  173.534389][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534390][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534395][ T7810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.534397][ T7810]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.534398][ T7810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.534401][ T7810]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.534403][ T7810]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  173.534407][ T7810]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.534409][ T7810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.534410][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.534412][ T7810]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.534413][ T7810]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  173.534416][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534417][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.534419][ T7810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.534421][ T7810]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.534423][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534424][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534426][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.534428][ T7810]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.534430][ T7810]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.534432][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534434][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.534436][ T7810]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  173.534437][ T7810]  ? copy_msghdr_from_user (net/socket.c:2650)
[  173.534439][ T7810]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  173.534441][ T7810]  ? move_addr_to_kernel (net/socket.c:258)
[  173.534442][ T7810]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.534445][ T7810]  ___sys_sendmsg (net/socket.c:2767)
[  173.534446][ T7810]  ? copy_msghdr_from_user (net/socket.c:2619)
[  173.534451][ T7810]  __sys_sendmsg (net/socket.c:2799)
[  173.534453][ T7810]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  173.534456][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.534458][ T7810]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.534459][ T7810]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.534462][ T7810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.534463][ T7810] RIP: 0033:0x7fb20bfdf54e
[  173.534465][ T7810] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  173.534467][ T7810] RSP: 002b:00007ffdff782840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  173.534471][ T7810] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb20bfdf54e
[  173.534472][ T7810] RDX: 0000000000000000 RSI: 00007ffdff7828f0 RDI: 0000000000000005
[  173.534473][ T7810] RBP: 00007ffdff782850 R08: 0000000000000000 R09: 0000000000000000
[  173.534474][ T7810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dfa1


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record