======================================
| [   10.488739][  T195] softirqs last disabled at (26357): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.488742][  T195] Preemption disabled at:
| [   10.488743][  T195] 0x0
| [   10.488757][  T195] Tainted: [W]=WARN
[   10.488758][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.488760][  T195] Call Trace:
[   10.488763][  T195]  <TASK>
[   10.488765][  T195]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.488774][  T195]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.488780][  T195]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.488786][  T195]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.488793][  T195]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.488797][  T195]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.488806][  T195]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.488810][  T195]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.488815][  T195]  put_chars (drivers/char/virtio_console.c:1176)
[   10.488820][  T195]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.488822][  T195]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.488829][  T195]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.488838][  T195]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.488849][  T195]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.488853][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.488857][  T195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.488864][  T195]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.488870][  T195]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.488873][  T195]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.488878][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.488882][  T195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.488889][  T195]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.488896][  T195]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.488899][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.488909][  T195]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.488913][  T195]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.488916][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.488920][  T195]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.488926][  T195]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.488929][  T195]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.488934][  T195]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.488941][  T195]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.488947][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.488953][  T195]  _printk (kernel/printk/printk.c:2504)
[   10.488958][  T195]  ? snapshot_read.cold (user.c:?)
[   10.488963][  T195]  ? 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)
[   10.488967][  T195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.488974][  T195]  ? 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)
[   10.488978][  T195]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.488984][  T195]  ? exit_notify (kernel/exit.c:780)
[   10.488987][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.488992][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.488999][  T195]  do_group_exit (kernel/exit.c:1151)
[   10.489004][  T195]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.489007][  T195]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.489010][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.489015][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.489020][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.489023][  T195] RIP: 0033:0x7fa5736011b8
[   10.489026][  T195] Code: Unable to access opcode bytes at 0x7fa57360118e.

Code starting with the faulting instruction
===========================================
[   10.489028][  T195] RSP: 002b:00007fff53685f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.489031][  T195] RAX: ffffffffffffffda RBX: 00007fa573731f88 RCX: 00007fa5736011b8
[   10.489033][  T195] RDX: 00007fa57334bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.489035][  T195] RBP: 00007fff53685fd0 R08: 0000000000000000 R09: 0000000000008010
[   10.489037][  T195] R10: 00007fff53685d90 R11: 0000000000000246 R12: 0000000000000001
[   10.489038][  T195] R13: 0000000000000000 R14: 00007fa573730680 R15: 00007fa573731fa0
| [   12.411567][  T255] softirqs last disabled at (18374): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.411569][  T255] Preemption disabled at:
| [   12.411570][  T255] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.411580][  T255] Tainted: [W]=WARN
[   12.411580][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.411582][  T255] Call Trace:
[   12.411584][  T255]  <TASK>
[   12.411585][  T255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.411591][  T255]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.411594][  T255]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.411598][  T255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.411602][  T255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.411608][  T255]  __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))
[   12.411610][  T255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.411616][  T255]  ? 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)
[   12.411619][  T255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.411622][  T255]  put_chars (drivers/char/virtio_console.c:1176)
[   12.411625][  T255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.411629][  T255]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.411633][  T255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.411636][  T255]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.411637][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411639][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411643][  T255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.411645][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.411649][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411653][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.411657][  T255]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.411660][  T255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.411662][  T255]  ? 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))
[   12.411665][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411667][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.411672][  T255]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.411681][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.411683][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411688][  T255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.411691][  T255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.411693][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411695][  T255]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.411699][  T255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.411701][  T255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.411704][  T255]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.411708][  T255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.411711][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.411712][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.411716][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.411720][  T255]  _printk (kernel/printk/printk.c:2504)
[   12.411723][  T255]  ? snapshot_read.cold (user.c:?)
[   12.411727][  T255]  ? br_multicast_flood (??:?) bridge
[   12.411740][  T255]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.411742][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.411743][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.411748][  T255] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.411758][  T255] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.411766][  T255] new_nbp (net/bridge/br_if.c:449) bridge
[   12.411776][  T255] br_add_if (net/bridge/br_if.c:592) bridge
[   12.411784][  T255]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.411788][  T255]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.411791][  T255]  ? __kernel_text_address (kernel/extable.c:79)
[   12.411795][  T255]  do_set_master (net/core/rtnetlink.c:3071)
[   12.411800][  T255]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.411803][  T255]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.411806][  T255]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.411807][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.411810][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.411813][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.411816][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.411818][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.411820][  T255]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.411824][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.411825][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.411828][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411830][  T255]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.411833][  T255]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.411837][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.411839][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.411842][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411845][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.411846][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411848][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411850][  T255]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.411854][  T255]  ? __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)
[   12.411856][  T255]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.411858][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.411861][  T255]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.411863][  T255]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.411867][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.411872][  T255]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.411877][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.411879][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411883][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.411885][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.411887][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.411889][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.411893][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.411895][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.411897][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.411899][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411903][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.411905][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.411908][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.411910][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.411913][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.411919][  T255]  ? 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))
[   12.411920][  T255]  ? 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))
[   12.411924][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.411928][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.411930][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.411934][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.411938][  T255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.411942][  T255]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.411947][  T255]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.411949][  T255]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.411951][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.411953][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   12.411960][  T255]  ___sys_sendmsg (net/socket.c:2767)
[   12.411963][  T255]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.411978][  T255]  __sys_sendmsg (net/socket.c:2799)
[   12.411981][  T255]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.411987][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.411990][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.411993][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.411996][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.411998][  T255] RIP: 0033:0x7f59841ba54e
[   12.412001][  T255] 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
[   12.412003][  T255] RSP: 002b:00007ffc21622cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.412006][  T255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f59841ba54e
[   12.412007][  T255] RDX: 0000000000000000 RSI: 00007ffc21622d70 RDI: 0000000000000005
[   12.412008][  T255] RBP: 00007ffc21622cd0 R08: 0000000000000000 R09: 0000000000000000
[   12.412009][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9162e3
[   12.412010][  T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc21623430
| [   26.820219][  T330] softirqs last disabled at (16690): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   26.820221][  T330] Preemption disabled at:
| [   26.820222][  T330] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.820231][  T330] Tainted: [W]=WARN
[   26.820232][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.820234][  T330] Call Trace:
[   26.820236][  T330]  <TASK>
[   26.820237][  T330]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.820243][  T330]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.820245][  T330]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.820250][  T330]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.820254][  T330]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.820259][  T330]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.820261][  T330]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.820267][  T330]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.820269][  T330]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.820273][  T330]  put_chars (drivers/char/virtio_console.c:1176)
[   26.820275][  T330]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   26.820277][  T330]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.820280][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.820283][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.820287][  T330]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.820290][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820291][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820296][  T330]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.820297][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   26.820300][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820303][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.820307][  T330]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.820311][  T330]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.820313][  T330]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.820316][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820318][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.820322][  T330]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.820326][  T330]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.820328][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820333][  T330]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.820336][  T330]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.820338][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820340][  T330]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.820344][  T330]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.820345][  T330]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.820349][  T330]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.820352][  T330]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.820354][  T330]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.820356][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820358][  T330]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   26.820360][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   26.820363][  T330]  _printk (kernel/printk/printk.c:2504)
[   26.820367][  T330]  ? snapshot_read.cold (user.c:?)
[   26.820370][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.820371][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.820373][  T330]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.820377][  T330]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.820380][  T330]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.820383][  T330]  ? netdev_notice (net/core/dev.c:13194)
[   26.820387][  T330]  ? 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)
[   26.820389][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.820391][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.820394][  T330]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.820397][  T330]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   26.820402][  T330]  __dev_change_flags (net/core/dev.c:9821)
[   26.820405][  T330]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.820407][  T330]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.820410][  T330]  ? __kernel_text_address (kernel/extable.c:79)
[   26.820412][  T330]  ? write_profile (profile.c:?)
[   26.820414][  T330]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.820419][  T330]  netif_change_flags (net/core/dev.c:9877)
[   26.820423][  T330]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   26.820427][  T330]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.820429][  T330]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.820430][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.820432][  T330]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.820436][  T330]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.820438][  T330]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.820440][  T330]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.820443][  T330]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.820446][  T330]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.820447][  T330]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.820450][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820452][  T330]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   26.820455][  T330]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.820459][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.820461][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.820464][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820466][  T330]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.820468][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820469][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820472][  T330]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.820474][  T330]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.820478][  T330]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.820480][  T330]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.820483][  T330]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.820488][  T330]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.820493][  T330]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.820499][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.820501][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820505][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.820507][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.820509][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.820511][  T330]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.820514][  T330]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.820516][  T330]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.820519][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.820521][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820525][  T330]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.820527][  T330]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.820530][  T330]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.820532][  T330]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.820535][  T330]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.820541][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.820543][  T330]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.820547][  T330]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.820551][  T330]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.820553][  T330]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.820560][  T330]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.820564][  T330]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.820568][  T330]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.820573][  T330]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.820576][  T330]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.820578][  T330]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.820579][  T330]  ? move_addr_to_kernel (net/socket.c:258)
[   26.820587][  T330]  ___sys_sendmsg (net/socket.c:2767)
[   26.820589][  T330]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.820605][  T330]  __sys_sendmsg (net/socket.c:2799)
[   26.820608][  T330]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.820615][  T330]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.820618][  T330]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.820621][  T330]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.820624][  T330]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.820626][  T330] RIP: 0033:0x7f9fa93b954e
[   26.820630][  T330] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.820631][  T330] RSP: 002b:00007fff7e58e560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.820634][  T330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9fa93b954e
[   26.820636][  T330] RDX: 0000000000000000 RSI: 00007fff7e58e610 RDI: 0000000000000005
[   26.820636][  T330] RBP: 00007fff7e58e570 R08: 0000000000000000 R09: 0000000000000000
[   26.820637][  T330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9162f2
[   26.820638][  T330] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7e58ecd0
| [   28.004661][    C0] softirqs last disabled at (694877): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.004662][    C0] Preemption disabled at:
| [   28.004663][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.004672][    C0] Tainted: [W]=WARN
[   28.004673][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.004675][    C0] Call Trace:
[   28.004677][    C0]  <IRQ>
[   28.004679][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.004684][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.004685][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.004688][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.004691][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.004694][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.004697][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004701][    C0]  __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))
[   28.004704][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.004705][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.004709][    C0]  ? 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)
[   28.004710][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.004713][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.004715][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.004716][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.004720][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.004727][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.004729][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004730][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.004733][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.004735][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.004737][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004738][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004740][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.004742][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.004744][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.004746][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.004748][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.004750][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.004752][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.004753][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004755][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.004756][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.004758][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.004760][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.004762][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.004764][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.004766][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004767][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.004769][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.004773][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.004776][    C0]  ? snapshot_read.cold (user.c:?)
[   28.004778][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.004782][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.004784][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.004786][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.004788][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.004790][    C0]  ? _raw_write_unlock_irqrestore (??:?)
[   28.004793][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.004795][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.004797][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.004799][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.004800][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.004813][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004815][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.004817][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.004823][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.004825][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.004830][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.004837][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.004842][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.004846][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.004847][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.004851][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.004852][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.004854][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004856][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.004858][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.004864][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.004866][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.004869][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.004871][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.004873][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.004874][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.004877][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004878][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.004880][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.004882][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.004884][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.004885][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.004887][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.004890][    C0]  </IRQ>
[   28.004890][    C0]  <TASK>
[   28.004891][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.004892][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.004895][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.004898][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.004900][    C0] RSP: 0018:ffffffffb9407cf8 EFLAGS: 00000296
[   28.004903][    C0] RAX: 00000000000a9a5b RBX: ffffffffb941c600 RCX: ffffffffb64f0307
[   28.004904][    C0] RDX: ffffffffb941c600 RSI: ffffffffb9238b01 RDI: ffffffffb8c8d8e0
[   28.004905][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.004906][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7280fa2
[   28.004907][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.004909][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.004912][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.004913][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.004915][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.004916][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.004918][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.004919][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.004921][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.004923][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.004924][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.004926][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.004927][    C0]  rest_init (init/main.c:727)
[   28.004929][    C0]  ? __cpuidle_text_end (??:?)
[   28.004932][    C0]  ? rest_init (init/main.c:727)
[   28.004934][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.004937][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.004940][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.004942][    C0]  start_kernel (init/main.c:1185)
[   28.004944][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.004946][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.004948][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.065499][    C0]
| [   28.065572][    C0]
| [   28.065572][    C0] stack backtrace:
| [   28.065761][    C0] Tainted: [W]=WARN
[   28.065762][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.065763][    C0] Call Trace:
[   28.065764][    C0]  <IRQ>
[   28.065765][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.065769][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.065772][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.065774][    C0]  ? _raw_write_unlock_irqrestore (??:?)
[   28.065777][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.065778][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.065780][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.065782][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.065784][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.065791][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065794][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.065796][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.065802][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.065803][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.065809][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.065815][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.065821][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.065823][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.065825][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.065828][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.065830][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.065832][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065834][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.065835][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.065842][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.065844][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.065846][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.065848][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.065851][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.065852][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.065854][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065856][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.065858][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.065859][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.065861][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.065863][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.065864][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.065866][    C0]  </IRQ>
[   28.065866][    C0]  <TASK>
[   28.065867][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.065868][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.065870][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.065872][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.065873][    C0] RSP: 0018:ffffffffb9407cf8 EFLAGS: 00000296
[   28.065875][    C0] RAX: 00000000000a9a5b RBX: ffffffffb941c600 RCX: ffffffffb64f0307
[   28.065876][    C0] RDX: ffffffffb941c600 RSI: ffffffffb9238b01 RDI: ffffffffb8c8d8e0
[   28.065877][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.065878][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7280fa2
[   28.065879][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.065880][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.065882][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.065884][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.065885][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.065887][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.065889][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.065890][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.065892][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.065893][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.065895][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.065897][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.065898][    C0]  rest_init (init/main.c:727)
[   28.065900][    C0]  ? __cpuidle_text_end (??:?)
[   28.065903][    C0]  ? rest_init (init/main.c:727)
[   28.065904][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.065908][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.065911][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.065913][    C0]  start_kernel (init/main.c:1185)
[   28.065914][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.065916][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.065918][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.490030][  T354] softirqs last disabled at (0): 0x0
| [   29.490032][  T354] Preemption disabled at:
| [   29.490032][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.490043][  T354] Tainted: [W]=WARN
[   29.490044][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.490045][  T354] Call Trace:
[   29.490047][  T354]  <TASK>
[   29.490048][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.490053][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.490055][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.490059][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.490062][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490066][  T354]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.490069][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.490072][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.490076][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.490077][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.490079][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   29.490081][  T354]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.490082][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.490084][  T354]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.490086][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.490089][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.490090][  T354]  ? 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)
[   29.490092][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.490094][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490095][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490097][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490099][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.490101][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.490103][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490105][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490106][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490108][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490110][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.490111][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.490114][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.490116][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.490118][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490119][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.490121][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490123][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.490124][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.490125][  T354]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.490127][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.490129][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.490131][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.490133][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.490135][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490137][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490138][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490140][  T354]  _printk (kernel/printk/printk.c:2504)
[   29.490143][  T354]  ? snapshot_read.cold (user.c:?)
[   29.490144][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490146][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490148][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490149][  T354]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.490152][  T354]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.490154][  T354]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.490156][  T354]  ? netdev_notice (net/core/dev.c:13194)
[   29.490157][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490159][  T354]  ? 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)
[   29.490161][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.490162][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.490165][  T354]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.490167][  T354]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   29.490170][  T354]  __dev_change_flags (net/core/dev.c:9821)
[   29.490174][  T354]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.490176][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.490179][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   29.490180][  T354]  ? write_profile (profile.c:?)
[   29.490182][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.490185][  T354]  netif_change_flags (net/core/dev.c:9877)
[   29.490187][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.490190][  T354]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.490192][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.490193][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490195][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.490198][  T354]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.490201][  T354]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.490202][  T354]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.490204][  T354]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.490205][  T354]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.490207][  T354]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.490208][  T354]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.490209][  T354]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.490212][  T354]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.490213][  T354]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.490214][  T354]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.490217][  T354]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.490218][  T354]  ? __sys_sendmsg (net/socket.c:2799)
[   29.490220][  T354]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.490222][  T354]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.490224][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490226][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490227][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490229][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490231][  T354]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.490233][  T354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.490235][  T354]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.490236][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.490238][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.490240][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.490242][  T354]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.490244][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490245][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.490247][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490248][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490250][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.490253][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.490255][  T354]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.490256][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   29.490257][  T354]  ? write_profile (profile.c:?)
[   29.490259][  T354]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.490260][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490261][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490263][  T354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.490266][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490268][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490270][  T354]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.490271][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.490272][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.490274][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.490275][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.490277][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.490279][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.490280][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.490281][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.490283][  T354]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.490285][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490287][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.490289][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.490291][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.490292][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490294][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490295][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.490297][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.490299][  T354]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.490301][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490302][  T354]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.490304][  T354]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.490306][  T354]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.490307][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.490309][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   29.490310][  T354]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.490313][  T354]  ___sys_sendmsg (net/socket.c:2767)
[   29.490314][  T354]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.490319][  T354]  __sys_sendmsg (net/socket.c:2799)
[   29.490321][  T354]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.490323][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.490325][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.490326][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.490329][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.490330][  T354] RIP: 0033:0x7f169fb1854e
[   29.490332][  T354] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.490334][  T354] RSP: 002b:00007ffe503fbc70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.490337][  T354] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f169fb1854e
[   29.490339][  T354] RDX: 0000000000000000 RSI: 00007ffe503fbd20 RDI: 0000000000000005
[   29.490339][  T354] RBP: 00007ffe503fbc80 R08: 0000000000000000 R09: 0000000000000000
[   29.490340][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9162f4


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars