======================================
| [   10.037368][  T187] softirqs last disabled at (31215): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.037371][  T187] Preemption disabled at:
| [   10.037372][  T187] 0x0
| [   10.037382][  T187] Tainted: [W]=WARN
[   10.037383][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.037384][  T187] Call Trace:
[   10.037386][  T187]  <TASK>
[   10.037387][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.037393][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.037398][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.037402][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.037407][  T187]  __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))
[   10.037409][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.037415][  T187]  ? 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)
[   10.037418][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.037421][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.037424][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.037425][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.037430][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.037434][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.037441][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.037443][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.037445][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.037449][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.037453][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.037454][  T187]  ? 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))
[   10.037457][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.037460][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.037464][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.037468][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.037469][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.037474][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.037477][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.037479][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.037481][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.037485][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.037486][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.037489][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.037493][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.037496][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.037500][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.037509][  T187]  ? snapshot_read.cold (user.c:?)
[   10.037512][  T187]  ? 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)
[   10.037514][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.037518][  T187]  ? 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)
[   10.037521][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.037524][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.037526][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.037529][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.037533][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.037535][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.037537][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.037539][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.037543][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.037546][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.037548][  T187] RIP: 0033:0x7fc5cb8141b8
[   10.037550][  T187] Code: Unable to access opcode bytes at 0x7fc5cb81418e.

Code starting with the faulting instruction
===========================================
[   10.037551][  T187] RSP: 002b:00007ffd16840238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.037554][  T187] RAX: ffffffffffffffda RBX: 00007fc5cb944f88 RCX: 00007fc5cb8141b8
[   10.037555][  T187] RDX: 00007fc5cb55efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.037556][  T187] RBP: 00007ffd16840290 R08: 0000000000000000 R09: 0000000000008010
[   10.037557][  T187] R10: 00007ffd16840050 R11: 0000000000000246 R12: 0000000000000001
[   10.037558][  T187] R13: 0000000000000000 R14: 00007fc5cb943680 R15: 00007fc5cb944fa0
| [   11.494858][  T261] softirqs last disabled at (22980): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   11.494860][  T261] Preemption disabled at:
| [   11.494861][  T261] 0x0
| [   11.494872][  T261] Tainted: [W]=WARN
[   11.494873][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.494875][  T261] Call Trace:
[   11.494876][  T261]  <TASK>
[   11.494878][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.494886][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.494890][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.494895][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.494900][  T261]  __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))
[   11.494903][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.494908][  T261]  ? 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)
[   11.494911][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.494915][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   11.494918][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.494919][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.494924][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.494930][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.494936][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.494938][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.494941][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.494945][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.494949][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.494951][  T261]  ? 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))
[   11.494954][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.494957][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.494961][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.494965][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.494967][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.494972][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.494975][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.494977][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.494979][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.494983][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.494985][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.494988][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.494992][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.494996][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.494999][  T261]  _printk (kernel/printk/printk.c:2504)
[   11.495003][  T261]  ? snapshot_read.cold (user.c:?)
[   11.495006][  T261]  ? 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)
[   11.495008][  T261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.495012][  T261]  ? 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)
[   11.495015][  T261]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.495019][  T261]  ? exit_notify (kernel/exit.c:780)
[   11.495021][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.495024][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.495028][  T261]  do_group_exit (kernel/exit.c:1151)
[   11.495031][  T261]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.495033][  T261]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.495035][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.495038][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.495041][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.495043][  T261] RIP: 0033:0x7f70f6af01b8
[   11.495045][  T261] Code: Unable to access opcode bytes at 0x7f70f6af018e.

Code starting with the faulting instruction
===========================================
[   11.495047][  T261] RSP: 002b:00007fffa9476788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.495049][  T261] RAX: ffffffffffffffda RBX: 00007f70f6c20f88 RCX: 00007f70f6af01b8
[   11.495051][  T261] RDX: 00007f70f683afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.495052][  T261] RBP: 00007fffa94767e0 R08: 0000000000000000 R09: 0000000000008010
[   11.495052][  T261] R10: 00007fffa94765a0 R11: 0000000000000246 R12: 0000000000000001
[   11.495053][  T261] R13: 0000000000000000 R14: 00007f70f6c1f680 R15: 00007f70f6c20fa0
| [   13.590234][  T401] softirqs last disabled at (13900): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.590237][  T401] Preemption disabled at:
| [   13.590237][  T401] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.590247][  T401] Tainted: [W]=WARN
[   13.590247][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.590249][  T401] Call Trace:
[   13.590251][  T401]  <TASK>
[   13.590252][  T401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.590258][  T401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.590260][  T401]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.590265][  T401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.590269][  T401]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.590274][  T401]  __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))
[   13.590276][  T401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.590282][  T401]  ? 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)
[   13.590284][  T401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.590287][  T401]  put_chars (drivers/char/virtio_console.c:1176)
[   13.590290][  T401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.590294][  T401]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.590298][  T401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.590301][  T401]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.590302][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590304][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590308][  T401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.590310][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.590313][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590317][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.590321][  T401]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.590324][  T401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.590326][  T401]  ? 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))
[   13.590329][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590331][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.590335][  T401]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.590339][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.590341][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590347][  T401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.590350][  T401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.590352][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590354][  T401]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.590358][  T401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.590359][  T401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.590363][  T401]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.590367][  T401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.590369][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.590371][  T401]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.590375][  T401]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.590379][  T401]  _printk (kernel/printk/printk.c:2504)
[   13.590382][  T401]  ? snapshot_read.cold (user.c:?)
[   13.590386][  T401]  ? br_multicast_flood (??:?) bridge
[   13.590399][  T401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.590400][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.590401][  T401]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.590405][  T401] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.590415][  T401] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.590423][  T401] new_nbp (net/bridge/br_if.c:449) bridge
[   13.590432][  T401] br_add_if (net/bridge/br_if.c:592) bridge
[   13.590439][  T401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.590444][  T401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.590446][  T401]  ? __kernel_text_address (kernel/extable.c:79)
[   13.590450][  T401]  do_set_master (net/core/rtnetlink.c:3071)
[   13.590454][  T401]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.590458][  T401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.590461][  T401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.590462][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.590464][  T401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.590468][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.590470][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.590472][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.590475][  T401]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.590478][  T401]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.590479][  T401]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.590482][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590484][  T401]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.590487][  T401]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.590491][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.590493][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.590495][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590498][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.590499][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590501][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590503][  T401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.590507][  T401]  ? __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)
[   13.590509][  T401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.590511][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.590514][  T401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.590522][  T401]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.590527][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.590532][  T401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.590538][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.590539][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590544][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.590546][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.590548][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.590549][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.590553][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.590555][  T401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.590558][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.590559][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590563][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.590565][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.590569][  T401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.590570][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.590573][  T401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.590579][  T401]  ? 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))
[   13.590581][  T401]  ? 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))
[   13.590585][  T401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.590588][  T401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.590591][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.590595][  T401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.590599][  T401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.590602][  T401]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.590607][  T401]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.590610][  T401]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.590612][  T401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.590613][  T401]  ? move_addr_to_kernel (net/socket.c:258)
[   13.590621][  T401]  ___sys_sendmsg (net/socket.c:2767)
[   13.590624][  T401]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.590639][  T401]  __sys_sendmsg (net/socket.c:2799)
[   13.590642][  T401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.590648][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.590652][  T401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.590654][  T401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.590657][  T401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.590659][  T401] RIP: 0033:0x7febc29d054e
[   13.590663][  T401] 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
[   13.590665][  T401] RSP: 002b:00007fff11e5b180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.590667][  T401] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007febc29d054e
[   13.590669][  T401] RDX: 0000000000000000 RSI: 00007fff11e5b230 RDI: 0000000000000005
[   13.590670][  T401] RBP: 00007fff11e5b190 R08: 0000000000000000 R09: 0000000000000000
[   13.590670][  T401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918856
[   13.590671][  T401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff11e5b8f0
| [   29.067972][    C1] softirqs last disabled at (1013515): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.067973][    C1] Preemption disabled at:
| [   29.067974][    C1] 0x0
| [   29.067983][    C1] Tainted: [W]=WARN
[   29.067984][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.067986][    C1] Call Trace:
[   29.067988][    C1]  <IRQ>
[   29.067989][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.067994][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.067998][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.068002][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.068004][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068008][    C1]  __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))
[   29.068011][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.068014][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.068018][    C1]  ? 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)
[   29.068019][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.068021][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   29.068023][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.068025][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.068028][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.068031][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.068032][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068034][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.068036][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.068039][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.068041][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068042][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068044][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.068046][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.068048][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.068050][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.068053][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.068054][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.068056][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.068057][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068059][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.068060][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.068062][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.068064][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.068066][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.068068][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.068070][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.068081][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.068083][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.068089][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.068095][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   29.068098][    C1]  _printk (kernel/printk/printk.c:2504)
[   29.068102][    C1]  ? snapshot_read.cold (user.c:?)
[   29.068103][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.068107][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.068109][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.068111][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.068113][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.068116][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.068118][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.068120][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.068122][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.068123][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.068129][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068131][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.068133][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.068139][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.068140][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.068146][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.068152][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.068158][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   29.068161][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.068163][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.068166][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.068168][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.068170][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068172][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.068174][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.068180][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.068182][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.068185][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.068187][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.068189][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.068191][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.068193][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068195][    C1]  handle_softirqs (kernel/softirq.c:645)
[   29.068197][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.068198][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.068200][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.068201][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   29.068203][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.068206][    C1]  </IRQ>
[   29.068206][    C1]  <TASK>
[   29.068207][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.068209][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.068211][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.068213][    C1] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   29.068215][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   29.068218][    C1] RAX: 00000000000f7709 RBX: ff11000001bea380 RCX: ffffffffb0cf0307
[   29.068220][    C1] RDX: ff11000001bea380 RSI: ffffffffb3a38af6 RDI: ffffffffb348d8e0
[   29.068220][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.068221][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   29.068222][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.068223][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.068226][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.068228][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   29.068230][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.068232][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   29.068233][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.068235][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.068237][    C1]  do_idle (kernel/sched/idle.c:355)
[   29.068239][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.068241][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.068242][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.068244][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.122025][    C1]
| [   29.122089][    C1]
| [   29.122089][    C1] stack backtrace:
| [   29.122301][    C1] Tainted: [W]=WARN
[   29.122302][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.122303][    C1] Call Trace:
[   29.122304][    C1]  <IRQ>
[   29.122305][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.122310][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.122313][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.122316][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.122318][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.122319][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.122321][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.122323][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.122329][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.122332][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.122334][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.122341][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.122343][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.122349][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.122355][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.122362][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   29.122364][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.122365][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.122369][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.122371][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.122372][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.122374][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.122376][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.122382][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.122384][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.122387][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.122389][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.122391][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.122393][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.122395][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.122397][    C1]  handle_softirqs (kernel/softirq.c:645)
[   29.122399][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.122401][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.122403][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.122404][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   29.122405][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.122407][    C1]  </IRQ>
[   29.122408][    C1]  <TASK>
[   29.122408][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.122410][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.122411][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.122413][    C1] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   29.122415][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   29.122417][    C1] RAX: 00000000000f7709 RBX: ff11000001bea380 RCX: ffffffffb0cf0307
[   29.122419][    C1] RDX: ff11000001bea380 RSI: ffffffffb3a38af6 RDI: ffffffffb348d8e0
[   29.122419][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.122420][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   29.122421][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.122422][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.122425][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.122426][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   29.122428][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.122429][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   29.122431][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.122433][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.122435][    C1]  do_idle (kernel/sched/idle.c:355)
[   29.122436][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.122438][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.122439][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.122441][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.395825][  T853] softirqs last disabled at (0): 0x0
| [   30.395827][  T853] Preemption disabled at:
| [   30.395828][  T853] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.395842][  T853] Tainted: [W]=WARN
[   30.395843][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.395845][  T853] Call Trace:
[   30.395847][  T853]  <TASK>
[   30.395849][  T853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.395855][  T853]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.395857][  T853]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.395862][  T853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.395866][  T853]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.395870][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.395874][  T853]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.395878][  T853]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.395884][  T853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.395889][  T853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.395891][  T853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.395894][  T853]  put_chars (drivers/char/virtio_console.c:1176)
[   30.395897][  T853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.395900][  T853]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.395904][  T853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.395908][  T853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.395910][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.395913][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.395916][  T853]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.395920][  T853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.395923][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.395925][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.395927][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.395930][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.395932][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.395935][  T853]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.395938][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.395942][  T853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.395944][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.395947][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.395949][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.395951][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.395953][  T853]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.395956][  T853]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   30.395958][  T853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.395961][  T853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.395964][  T853]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.395967][  T853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.395969][  T853]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.395973][  T853]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.395976][  T853]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.395978][  T853]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.395981][  T853]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.395983][  T853]  ? __sys_sendmsg (net/socket.c:2799)
[   30.395986][  T853]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.395990][  T853]  _printk (kernel/printk/printk.c:2504)
[   30.395994][  T853]  ? snapshot_read.cold (user.c:?)
[   30.395998][  T853]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.396001][  T853]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.396004][  T853]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.396006][  T853]  ? netdev_notice (net/core/dev.c:13194)
[   30.396009][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396012][  T853]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   30.396014][  T853]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   30.396017][  T853]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   30.396020][  T853]  ? 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)
[   30.396023][  T853]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   30.396027][  T853]  dev_set_allmulti (net/core/dev_api.c:315)
[   30.396031][  T853] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   30.396048][  T853]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.396052][  T853]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.396056][  T853] br_del_if (net/bridge/br_if.c:732) bridge
[   30.396067][  T853]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.396070][  T853]  do_set_master (net/core/rtnetlink.c:3055)
[   30.396074][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.396077][  T853]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.396081][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.396082][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396085][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.396090][  T853]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.396093][  T853]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.396095][  T853]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.396097][  T853]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.396099][  T853]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   30.396102][  T853]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   30.396103][  T853]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.396105][  T853]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.396107][  T853]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.396109][  T853]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.396111][  T853]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.396113][  T853]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.396115][  T853]  ? __sys_sendmsg (net/socket.c:2799)
[   30.396117][  T853]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.396119][  T853]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.396123][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396125][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.396127][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396130][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396132][  T853]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.396135][  T853]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   30.396138][  T853]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.396140][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.396142][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.396144][  T853]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.396148][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.396151][  T853]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.396154][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396157][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.396159][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.396161][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396164][  T853]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   30.396166][  T853]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   30.396169][  T853]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.396171][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   30.396173][  T853]  ? write_profile (profile.c:?)
[   30.396174][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.396178][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396180][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396182][  T853]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.396187][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.396189][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396192][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.396194][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.396196][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.396198][  T853]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.396200][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   30.396204][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.396206][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.396208][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.396210][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.396212][  T853]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   30.396216][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396219][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.396221][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.396224][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.396227][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396229][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396231][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.396234][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.396237][  T853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.396240][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396242][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.396245][  T853]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.396248][  T853]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.396250][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.396252][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   30.396254][  T853]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.396259][  T853]  ___sys_sendmsg (net/socket.c:2767)
[   30.396261][  T853]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.396269][  T853]  __sys_sendmsg (net/socket.c:2799)
[   30.396272][  T853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.396276][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.396279][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.396281][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.396284][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.396286][  T853] RIP: 0033:0x7f03d957154e
[   30.396289][  T853] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.396292][  T853] RSP: 002b:00007ffe7728f7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.396296][  T853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f03d957154e
[   30.396298][  T853] RDX: 0000000000000000 RSI: 00007ffe7728f880 RDI: 0000000000000005
[   30.396300][  T853] RBP: 00007ffe7728f7e0 R08: 0000000000000000 R09: 0000000000000000
[   30.396301][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918866
[   30.396302][  T853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7728ff40
| [   48.101705][ T1392] softirqs last disabled at (0): 0x0
| [   48.101706][ T1392] Preemption disabled at:
| [   48.101707][ T1392] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.101718][ T1392] Tainted: [W]=WARN
[   48.101719][ T1392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.101720][ T1392] Call Trace:
[   48.101722][ T1392]  <TASK>
[   48.101723][ T1392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.101728][ T1392]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.101730][ T1392]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.101734][ T1392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.101737][ T1392]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   48.101740][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101743][ T1392]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.101747][ T1392]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   48.101749][ T1392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.101753][ T1392]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.101755][ T1392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.101757][ T1392]  put_chars (drivers/char/virtio_console.c:1176)
[   48.101759][ T1392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.101760][ T1392]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   48.101763][ T1392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.101766][ T1392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.101767][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101769][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101771][ T1392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.101774][ T1392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.101776][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101777][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101779][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101780][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101782][ T1392]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   48.101784][ T1392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.101786][ T1392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.101789][ T1392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.101790][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101792][ T1392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.101793][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101795][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.101796][ T1392]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.101798][ T1392]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   48.101800][ T1392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.101802][ T1392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.101804][ T1392]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.101806][ T1392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.101808][ T1392]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.101811][ T1392]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.101814][ T1392]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.101815][ T1392]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.101818][ T1392]  ? ___sys_sendmsg (net/socket.c:2767)
[   48.101819][ T1392]  ? __sys_sendmsg (net/socket.c:2799)
[   48.101821][ T1392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.101824][ T1392]  _printk (kernel/printk/printk.c:2504)
[   48.101828][ T1392]  ? snapshot_read.cold (user.c:?)
[   48.101830][ T1392]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.101833][ T1392]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.101834][ T1392]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.101836][ T1392]  ? netdev_notice (net/core/dev.c:13194)
[   48.101838][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101840][ T1392]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   48.101841][ T1392]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   48.101844][ T1392]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   48.101845][ T1392]  ? 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)
[   48.101848][ T1392]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   48.101851][ T1392]  dev_set_allmulti (net/core/dev_api.c:315)
[   48.101853][ T1392] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   48.101866][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.101869][ T1392]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.101872][ T1392] br_del_if (net/bridge/br_if.c:732) bridge
[   48.101879][ T1392]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   48.101883][ T1392]  do_set_master (net/core/rtnetlink.c:3055)
[   48.101886][ T1392]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   48.101888][ T1392]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.101890][ T1392]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.101892][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101893][ T1392]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   48.101897][ T1392]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.101900][ T1392]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.101901][ T1392]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.101903][ T1392]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.101904][ T1392]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   48.101905][ T1392]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   48.101906][ T1392]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.101908][ T1392]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.101909][ T1392]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.101910][ T1392]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.101911][ T1392]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.101913][ T1392]  ? ___sys_sendmsg (net/socket.c:2767)
[   48.101914][ T1392]  ? __sys_sendmsg (net/socket.c:2799)
[   48.101916][ T1392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.101917][ T1392]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.101919][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101921][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101922][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101924][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101926][ T1392]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.101928][ T1392]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.101930][ T1392]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.101931][ T1392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.101933][ T1392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.101934][ T1392]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.101936][ T1392]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.101938][ T1392]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.101940][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101942][ T1392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.101943][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101944][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101946][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   48.101948][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.101950][ T1392]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.101951][ T1392]  ? __kernel_text_address (kernel/extable.c:79)
[   48.101952][ T1392]  ? write_profile (profile.c:?)
[   48.101953][ T1392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.101956][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101957][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101959][ T1392]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   48.101963][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101964][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101966][ T1392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.101967][ T1392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.101969][ T1392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.101970][ T1392]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   48.101972][ T1392]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   48.101974][ T1392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.101975][ T1392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.101977][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.101978][ T1392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.101979][ T1392]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   48.101982][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101983][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.101985][ T1392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.101987][ T1392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.101989][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101990][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101992][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.101994][ T1392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.101996][ T1392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.101998][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.101999][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   48.102001][ T1392]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.102003][ T1392]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.102004][ T1392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.102006][ T1392]  ? move_addr_to_kernel (net/socket.c:258)
[   48.102007][ T1392]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   48.102010][ T1392]  ___sys_sendmsg (net/socket.c:2767)
[   48.102011][ T1392]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.102016][ T1392]  __sys_sendmsg (net/socket.c:2799)
[   48.102018][ T1392]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.102021][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.102023][ T1392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.102024][ T1392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.102026][ T1392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.102028][ T1392] RIP: 0033:0x7f1aa312f54e
[   48.102030][ T1392] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.102031][ T1392] RSP: 002b:00007ffcca0f6e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.102035][ T1392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1aa312f54e
[   48.102036][ T1392] RDX: 0000000000000000 RSI: 00007ffcca0f6f20 RDI: 0000000000000005
[   48.102037][ T1392] RBP: 00007ffcca0f6e80 R08: 0000000000000000 R09: 0000000000000000
[   48.102038][ T1392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918878
[   48.102039][ T1392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcca0f75e0
| [   63.225487][ T1905] softirqs last disabled at (0): 0x0
| [   63.225489][ T1905] Preemption disabled at:
| [   63.225489][ T1905] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.225500][ T1905] Tainted: [W]=WARN
[   63.225502][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.225503][ T1905] Call Trace:
[   63.225504][ T1905]  <TASK>
[   63.225506][ T1905]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.225511][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.225513][ T1905]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.225517][ T1905]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.225520][ T1905]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   63.225522][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225526][ T1905]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   63.225529][ T1905]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.225532][ T1905]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.225536][ T1905]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.225538][ T1905]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.225540][ T1905]  put_chars (drivers/char/virtio_console.c:1176)
[   63.225542][ T1905]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.225543][ T1905]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   63.225546][ T1905]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.225549][ T1905]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.225551][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225553][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225555][ T1905]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.225557][ T1905]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.225559][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225561][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225563][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225564][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225566][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   63.225568][ T1905]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.225570][ T1905]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.225573][ T1905]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.225575][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225576][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.225578][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225580][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.225581][ T1905]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   63.225583][ T1905]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   63.225585][ T1905]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.225587][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.225589][ T1905]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.225591][ T1905]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.225593][ T1905]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.225596][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.225599][ T1905]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.225600][ T1905]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.225603][ T1905]  ? ___sys_sendmsg (net/socket.c:2767)
[   63.225604][ T1905]  ? __sys_sendmsg (net/socket.c:2799)
[   63.225606][ T1905]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.225610][ T1905]  _printk (kernel/printk/printk.c:2504)
[   63.225614][ T1905]  ? snapshot_read.cold (user.c:?)
[   63.225616][ T1905]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.225619][ T1905]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.225621][ T1905]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.225623][ T1905]  ? netdev_notice (net/core/dev.c:13194)
[   63.225624][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225626][ T1905]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   63.225628][ T1905]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   63.225631][ T1905]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   63.225632][ T1905]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   63.225635][ T1905]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   63.225638][ T1905]  dev_set_allmulti (net/core/dev_api.c:315)
[   63.225640][ T1905] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   63.225653][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   63.225657][ T1905]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.225659][ T1905] br_del_if (net/bridge/br_if.c:732) bridge
[   63.225666][ T1905]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   63.225669][ T1905]  do_set_master (net/core/rtnetlink.c:3055)
[   63.225671][ T1905]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   63.225674][ T1905]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.225676][ T1905]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.225677][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225679][ T1905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   63.225683][ T1905]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.225686][ T1905]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.225687][ T1905]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.225689][ T1905]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.225690][ T1905]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   63.225692][ T1905]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   63.225693][ T1905]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.225694][ T1905]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.225701][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.225703][ T1905]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.225704][ T1905]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.225706][ T1905]  ? ___sys_sendmsg (net/socket.c:2767)
[   63.225707][ T1905]  ? __sys_sendmsg (net/socket.c:2799)
[   63.225709][ T1905]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.225710][ T1905]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.225712][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225714][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225716][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225717][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225719][ T1905]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.225721][ T1905]  ? __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)
[   63.225724][ T1905]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.225725][ T1905]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.225727][ T1905]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.225728][ T1905]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.225730][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.225732][ T1905]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.225734][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225736][ T1905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.225737][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225739][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225741][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   63.225743][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   63.225744][ T1905]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.225746][ T1905]  ? __kernel_text_address (kernel/extable.c:79)
[   63.225747][ T1905]  ? write_profile (profile.c:?)
[   63.225748][ T1905]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.225751][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225753][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225754][ T1905]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   63.225758][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225759][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225761][ T1905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.225762][ T1905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.225764][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.225765][ T1905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   63.225767][ T1905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   63.225769][ T1905]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.225771][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.225772][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.225773][ T1905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.225775][ T1905]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   63.225777][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225779][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.225781][ T1905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.225783][ T1905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.225785][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225786][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225788][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.225790][ T1905]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.225792][ T1905]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.225794][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225795][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.225797][ T1905]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.225799][ T1905]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.225800][ T1905]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   63.225802][ T1905]  ? move_addr_to_kernel (net/socket.c:258)
[   63.225803][ T1905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   63.225806][ T1905]  ___sys_sendmsg (net/socket.c:2767)
[   63.225808][ T1905]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.225813][ T1905]  __sys_sendmsg (net/socket.c:2799)
[   63.225815][ T1905]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.225817][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.225819][ T1905]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.225821][ T1905]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.225823][ T1905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.225824][ T1905] RIP: 0033:0x7fba839b454e
[   63.225826][ T1905] 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
[   63.225828][ T1905] RSP: 002b:00007ffe4cbb0d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.225831][ T1905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba839b454e
[   63.225833][ T1905] RDX: 0000000000000000 RSI: 00007ffe4cbb0e20 RDI: 0000000000000005
[   63.225834][ T1905] RBP: 00007ffe4cbb0d80 R08: 0000000000000000 R09: 0000000000000000
[   63.225835][ T1905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918887
[   63.225835][ T1905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4cbb14e0
| [   80.609024][ T2442] softirqs last disabled at (0): 0x0
| [   80.609025][ T2442] Preemption disabled at:
| [   80.609026][ T2442] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.609037][ T2442] Tainted: [W]=WARN
[   80.609038][ T2442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.609040][ T2442] Call Trace:
[   80.609042][ T2442]  <TASK>
[   80.609043][ T2442]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.609048][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.609050][ T2442]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.609054][ T2442]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.609057][ T2442]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   80.609060][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609064][ T2442]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   80.609067][ T2442]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.609070][ T2442]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.609074][ T2442]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   80.609076][ T2442]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.609077][ T2442]  put_chars (drivers/char/virtio_console.c:1176)
[   80.609079][ T2442]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.609081][ T2442]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.609084][ T2442]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.609087][ T2442]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.609088][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609090][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609092][ T2442]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.609095][ T2442]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.609097][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609098][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609100][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609102][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609104][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.609105][ T2442]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.609108][ T2442]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.609110][ T2442]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.609112][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609114][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.609115][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609117][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.609118][ T2442]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   80.609120][ T2442]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.609122][ T2442]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.609124][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.609126][ T2442]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.609128][ T2442]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.609130][ T2442]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.609133][ T2442]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.609136][ T2442]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.609137][ T2442]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.609140][ T2442]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.609141][ T2442]  ? __sys_sendmsg (net/socket.c:2799)
[   80.609143][ T2442]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.609146][ T2442]  _printk (kernel/printk/printk.c:2504)
[   80.609150][ T2442]  ? snapshot_read.cold (user.c:?)
[   80.609152][ T2442]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.609155][ T2442]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.609156][ T2442]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.609158][ T2442]  ? netdev_notice (net/core/dev.c:13194)
[   80.609160][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609162][ T2442]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   80.609164][ T2442]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.609166][ T2442]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   80.609168][ T2442]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   80.609171][ T2442]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   80.609173][ T2442]  dev_set_allmulti (net/core/dev_api.c:315)
[   80.609176][ T2442] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   80.609188][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.609192][ T2442]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.609195][ T2442] br_del_if (net/bridge/br_if.c:732) bridge
[   80.609202][ T2442]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   80.609204][ T2442]  do_set_master (net/core/rtnetlink.c:3055)
[   80.609206][ T2442]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   80.609209][ T2442]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   80.609212][ T2442]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   80.609213][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609215][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.609218][ T2442]  ? kasan_save_stack (mm/kasan/common.c:58)
[   80.609221][ T2442]  ? kasan_save_stack (mm/kasan/common.c:57)
[   80.609222][ T2442]  ? kasan_save_track (mm/kasan/common.c:78)
[   80.609224][ T2442]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.609225][ T2442]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   80.609226][ T2442]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   80.609228][ T2442]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.609229][ T2442]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.609230][ T2442]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.609231][ T2442]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.609233][ T2442]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.609234][ T2442]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.609235][ T2442]  ? __sys_sendmsg (net/socket.c:2799)
[   80.609237][ T2442]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.609238][ T2442]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.609240][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609242][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609244][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609245][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609247][ T2442]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   80.609249][ T2442]  ? __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)
[   80.609251][ T2442]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   80.609252][ T2442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.609254][ T2442]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   80.609255][ T2442]  ? nla_get_range_signed (lib/nlattr.c:270)
[   80.609258][ T2442]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   80.609260][ T2442]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.609261][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609263][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.609264][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609266][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609268][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   80.609269][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.609271][ T2442]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.609272][ T2442]  ? __kernel_text_address (kernel/extable.c:79)
[   80.609274][ T2442]  ? write_profile (profile.c:?)
[   80.609275][ T2442]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.609278][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609279][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609281][ T2442]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   80.609285][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609286][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609288][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.609289][ T2442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.609291][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.609292][ T2442]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.609293][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.609296][ T2442]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.609297][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.609299][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.609300][ T2442]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.609301][ T2442]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   80.609304][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609305][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.609307][ T2442]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.609309][ T2442]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.609311][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609313][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609314][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.609316][ T2442]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.609318][ T2442]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.609320][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609322][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.609323][ T2442]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.609325][ T2442]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.609327][ T2442]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   80.609328][ T2442]  ? move_addr_to_kernel (net/socket.c:258)
[   80.609330][ T2442]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.609332][ T2442]  ___sys_sendmsg (net/socket.c:2767)
[   80.609334][ T2442]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.609339][ T2442]  __sys_sendmsg (net/socket.c:2799)
[   80.609342][ T2442]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.609346][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.609348][ T2442]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.609349][ T2442]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.609352][ T2442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.609353][ T2442] RIP: 0033:0x7fe821f6254e
[   80.609355][ T2442] 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
[   80.609357][ T2442] RSP: 002b:00007ffcd94ec500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.609360][ T2442] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe821f6254e
[   80.609362][ T2442] RDX: 0000000000000000 RSI: 00007ffcd94ec5b0 RDI: 0000000000000005
[   80.609363][ T2442] RBP: 00007ffcd94ec510 R08: 0000000000000000 R09: 0000000000000000
[   80.609363][ T2442] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918899
[   80.609364][ T2442] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd94ecc70
| [   87.876862][ T2602] softirqs last disabled at (0): 0x0
| [   87.876864][ T2602] Preemption disabled at:
| [   87.876864][ T2602] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.876875][ T2602] Tainted: [W]=WARN
[   87.876876][ T2602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.876878][ T2602] Call Trace:
[   87.876879][ T2602]  <TASK>
[   87.876882][ T2602]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.876888][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.876890][ T2602]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.876893][ T2602]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.876897][ T2602]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   87.876899][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876903][ T2602]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   87.876906][ T2602]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.876909][ T2602]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.876913][ T2602]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.876915][ T2602]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.876917][ T2602]  put_chars (drivers/char/virtio_console.c:1176)
[   87.876919][ T2602]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.876920][ T2602]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   87.876923][ T2602]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.876926][ T2602]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.876927][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876929][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.876931][ T2602]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.876934][ T2602]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.876935][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876937][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876939][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876940][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.876942][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   87.876944][ T2602]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.876946][ T2602]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.876949][ T2602]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.876951][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.876952][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.876954][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876955][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.876957][ T2602]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   87.876958][ T2602]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   87.876960][ T2602]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.876962][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.876964][ T2602]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.876966][ T2602]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.876968][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.876971][ T2602]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.876974][ T2602]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.876975][ T2602]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.876977][ T2602]  ? ___sys_sendmsg (net/socket.c:2767)
[   87.876979][ T2602]  ? __sys_sendmsg (net/socket.c:2799)
[   87.876980][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.876984][ T2602]  _printk (kernel/printk/printk.c:2504)
[   87.876987][ T2602]  ? snapshot_read.cold (user.c:?)
[   87.876989][ T2602]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   87.876992][ T2602]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   87.876994][ T2602]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   87.876995][ T2602]  ? netdev_notice (net/core/dev.c:13194)
[   87.876997][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.876999][ T2602]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   87.877001][ T2602]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   87.877003][ T2602]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   87.877005][ T2602]  ? 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)
[   87.877007][ T2602]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   87.877010][ T2602]  dev_set_allmulti (net/core/dev_api.c:315)
[   87.877013][ T2602] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   87.877024][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   87.877028][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.877030][ T2602] br_del_if (net/bridge/br_if.c:732) bridge
[   87.877037][ T2602]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.877039][ T2602]  do_set_master (net/core/rtnetlink.c:3055)
[   87.877042][ T2602]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   87.877044][ T2602]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   87.877046][ T2602]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   87.877047][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877049][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.877053][ T2602]  ? kasan_save_stack (mm/kasan/common.c:58)
[   87.877055][ T2602]  ? kasan_save_stack (mm/kasan/common.c:57)
[   87.877057][ T2602]  ? kasan_save_track (mm/kasan/common.c:78)
[   87.877058][ T2602]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.877060][ T2602]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   87.877061][ T2602]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   87.877062][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.877063][ T2602]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.877064][ T2602]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.877066][ T2602]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.877067][ T2602]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.877068][ T2602]  ? ___sys_sendmsg (net/socket.c:2767)
[   87.877069][ T2602]  ? __sys_sendmsg (net/socket.c:2799)
[   87.877071][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.877072][ T2602]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.877074][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877076][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.877077][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877079][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877081][ T2602]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   87.877083][ T2602]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   87.877085][ T2602]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   87.877086][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.877088][ T2602]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   87.877089][ T2602]  ? nla_get_range_signed (lib/nlattr.c:270)
[   87.877091][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   87.877093][ T2602]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.877095][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877097][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.877098][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.877099][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877101][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   87.877103][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   87.877104][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.877105][ T2602]  ? __kernel_text_address (kernel/extable.c:79)
[   87.877107][ T2602]  ? write_profile (profile.c:?)
[   87.877108][ T2602]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.877110][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877112][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877113][ T2602]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   87.877117][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.877118][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877120][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.877121][ T2602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.877123][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.877124][ T2602]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.877125][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.877128][ T2602]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.877129][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.877130][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.877132][ T2602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.877133][ T2602]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   87.877136][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877137][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.877139][ T2602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.877141][ T2602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.877143][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877144][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877146][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.877148][ T2602]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.877150][ T2602]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.877152][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877153][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.877155][ T2602]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.877157][ T2602]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.877158][ T2602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   87.877160][ T2602]  ? move_addr_to_kernel (net/socket.c:258)
[   87.877161][ T2602]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.877163][ T2602]  ___sys_sendmsg (net/socket.c:2767)
[   87.877165][ T2602]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.877170][ T2602]  __sys_sendmsg (net/socket.c:2799)
[   87.877172][ T2602]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.877174][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.877176][ T2602]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.877178][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.877180][ T2602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.877181][ T2602] RIP: 0033:0x7fc0247e054e
[   87.877183][ T2602] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   87.877185][ T2602] RSP: 002b:00007ffd086d37f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.877188][ T2602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc0247e054e
[   87.877189][ T2602] RDX: 0000000000000000 RSI: 00007ffd086d38a0 RDI: 0000000000000005
[   87.877190][ T2602] RBP: 00007ffd086d3800 R08: 0000000000000000 R09: 0000000000000000
[   87.877191][ T2602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9188a0


Finger prints:
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
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars