======================================
| [    9.879442][  T186] softirqs last disabled at (31077): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [    9.879445][  T186] Preemption disabled at:
| [    9.879445][  T186] 0x0
| [    9.879456][  T186] Tainted: [W]=WARN
[    9.879457][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.879459][  T186] Call Trace:
[    9.879460][  T186]  <TASK>
[    9.879462][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.879469][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.879473][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.879478][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.879483][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.879485][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.879491][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.879494][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.879498][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.879501][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.879502][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.879507][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.879512][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.879519][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.879521][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.879524][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.879528][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.879532][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.879534][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.879537][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.879540][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.879544][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.879548][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.879550][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.879555][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.879558][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.879560][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.879563][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.879567][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.879568][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.879572][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.879576][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.879579][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.879583][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.879587][  T186]  ? snapshot_read.cold (user.c:?)
[    9.879590][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.879593][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.879597][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.879599][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.879603][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.879605][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.879608][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.879613][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.879617][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.879620][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.879623][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.879627][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.879631][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.879633][  T186] RIP: 0033:0x7f12cb0731b8
[    9.879635][  T186] Code: Unable to access opcode bytes at 0x7f12cb07318e.

Code starting with the faulting instruction
===========================================
[    9.879637][  T186] RSP: 002b:00007ffdc3e79468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.879639][  T186] RAX: ffffffffffffffda RBX: 00007f12cb1a3f88 RCX: 00007f12cb0731b8
[    9.879640][  T186] RDX: 00007f12cadbdfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.879641][  T186] RBP: 00007ffdc3e794c0 R08: 0000000000000000 R09: 0000000000008010
[    9.879642][  T186] R10: 00007ffdc3e79280 R11: 0000000000000246 R12: 0000000000000001
[    9.879643][  T186] R13: 0000000000000000 R14: 00007f12cb1a2680 R15: 00007f12cb1a3fa0
| [   10.895928][  T240] softirqs last disabled at (34169): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.895930][  T240] Preemption disabled at:
| [   10.895931][  T240] 0x0
| [   10.895941][  T240] Tainted: [W]=WARN
[   10.895942][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.895944][  T240] Call Trace:
[   10.895946][  T240]  <TASK>
[   10.895947][  T240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.895954][  T240]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.895958][  T240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.895963][  T240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.895968][  T240]  __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))
[   10.895970][  T240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.895976][  T240]  ? 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)
[   10.895980][  T240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.895983][  T240]  put_chars (drivers/char/virtio_console.c:1176)
[   10.895986][  T240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.895988][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.895993][  T240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.895998][  T240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.896005][  T240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.896007][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.896010][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.896014][  T240]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.896018][  T240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.896020][  T240]  ? 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))
[   10.896034][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.896037][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.896041][  T240]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.896046][  T240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.896048][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.896053][  T240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.896056][  T240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.896059][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.896061][  T240]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.896065][  T240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.896067][  T240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.896071][  T240]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.896075][  T240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.896078][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.896082][  T240]  _printk (kernel/printk/printk.c:2504)
[   10.896086][  T240]  ? snapshot_read.cold (user.c:?)
[   10.896089][  T240]  ? 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)
[   10.896092][  T240]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.896096][  T240]  ? 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)
[   10.896099][  T240]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.896103][  T240]  ? exit_notify (kernel/exit.c:780)
[   10.896105][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.896108][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.896112][  T240]  do_group_exit (kernel/exit.c:1151)
[   10.896115][  T240]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.896117][  T240]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.896120][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.896123][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.896126][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.896129][  T240] RIP: 0033:0x7f03520bc1b8
[   10.896131][  T240] Code: Unable to access opcode bytes at 0x7f03520bc18e.

Code starting with the faulting instruction
===========================================
[   10.896132][  T240] RSP: 002b:00007ffe38959f28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.896135][  T240] RAX: ffffffffffffffda RBX: 00007f03521ecf88 RCX: 00007f03520bc1b8
[   10.896136][  T240] RDX: 00007f0351e06fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.896137][  T240] RBP: 00007ffe38959f80 R08: 0000000000000000 R09: 0000000000008010
[   10.896138][  T240] R10: 00007ffe38959d40 R11: 0000000000000246 R12: 0000000000000001
[   10.896139][  T240] R13: 0000000000000000 R14: 00007f03521eb680 R15: 00007f03521ecfa0
| [   12.316264][  T345] softirqs last disabled at (18580): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.316266][  T345] Preemption disabled at:
| [   12.316267][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.316277][  T345] Tainted: [W]=WARN
[   12.316278][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.316279][  T345] Call Trace:
[   12.316281][  T345]  <TASK>
[   12.316283][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.316288][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.316291][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.316296][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.316300][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.316305][  T345]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.316308][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.316313][  T345]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.316316][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.316319][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   12.316322][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.316326][  T345]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.316330][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.316333][  T345]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.316335][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316337][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316341][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.316343][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.316346][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316350][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.316354][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.316358][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.316360][  T345]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.316363][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316366][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.316370][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.316374][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.316376][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316381][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.316384][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.316386][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316388][  T345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.316392][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.316394][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.316398][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.316401][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.316404][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.316406][  T345]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.316409][  T345]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.316413][  T345]  _printk (kernel/printk/printk.c:2504)
[   12.316417][  T345]  ? snapshot_read.cold (user.c:?)
[   12.316421][  T345]  ? br_multicast_flood (??:?) bridge
[   12.316433][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.316435][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.316436][  T345]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.316441][  T345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.316451][  T345] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.316459][  T345] new_nbp (net/bridge/br_if.c:449) bridge
[   12.316469][  T345] br_add_if (net/bridge/br_if.c:592) bridge
[   12.316476][  T345]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.316480][  T345]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.316484][  T345]  ? __kernel_text_address (kernel/extable.c:79)
[   12.316488][  T345]  do_set_master (net/core/rtnetlink.c:3071)
[   12.316492][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.316496][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.316499][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.316500][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.316503][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.316507][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.316510][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.316512][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.316514][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.316518][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.316519][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.316522][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316524][  T345]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.316527][  T345]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.316532][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.316534][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.316537][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316539][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.316541][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316543][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316545][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.316549][  T345]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.316551][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.316553][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.316557][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.316559][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.316564][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.316569][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.316574][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.316576][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316581][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.316583][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.316585][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.316587][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.316591][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.316593][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.316596][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.316598][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316602][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.316604][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.316608][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.316610][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.316613][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.316624][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.316626][  T345]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.316631][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.316635][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.316637][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.316642][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.316646][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.316650][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.316655][  T345]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.316658][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.316660][  T345]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.316662][  T345]  ? move_addr_to_kernel (net/socket.c:258)
[   12.316669][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   12.316672][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.316688][  T345]  __sys_sendmsg (net/socket.c:2799)
[   12.316691][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.316697][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.316701][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.316703][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.316706][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.316709][  T345] RIP: 0033:0x7f2a3222b54e
[   12.316712][  T345] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.316714][  T345] RSP: 002b:00007ffd4fe9f810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.316717][  T345] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2a3222b54e
[   12.316719][  T345] RDX: 0000000000000000 RSI: 00007ffd4fe9f8c0 RDI: 0000000000000005
[   12.316720][  T345] RBP: 00007ffd4fe9f820 R08: 0000000000000000 R09: 0000000000000000
[   12.316721][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91541b
[   12.316722][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4fe9ff80
| [   13.321077][  T425] softirqs last disabled at (14012): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.321080][  T425] Preemption disabled at:
| [   13.321080][  T425] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.321089][  T425] Tainted: [W]=WARN
[   13.321090][  T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.321092][  T425] Call Trace:
[   13.321094][  T425]  <TASK>
[   13.321096][  T425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.321102][  T425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.321104][  T425]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.321109][  T425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.321113][  T425]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.321118][  T425]  __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))
[   13.321121][  T425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.321126][  T425]  ? 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)
[   13.321129][  T425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.321132][  T425]  put_chars (drivers/char/virtio_console.c:1176)
[   13.321134][  T425]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.321136][  T425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.321139][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.321143][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.321146][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.321149][  T425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.321152][  T425]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.321154][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321156][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321160][  T425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.321162][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.321165][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321167][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.321171][  T425]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.321175][  T425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.321177][  T425]  ? 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))
[   13.321180][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321182][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.321186][  T425]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.321190][  T425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.321192][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321197][  T425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.321200][  T425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.321201][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321204][  T425]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.321207][  T425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.321209][  T425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.321212][  T425]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.321216][  T425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.321219][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.321222][  T425]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.321225][  T425]  _printk (kernel/printk/printk.c:2504)
[   13.321229][  T425]  ? snapshot_read.cold (user.c:?)
[   13.321233][  T425]  ? br_multicast_flood (??:?) bridge
[   13.321246][  T425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.321247][  T425]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.321249][  T425]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.321253][  T425] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.321263][  T425] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.321271][  T425] new_nbp (net/bridge/br_if.c:449) bridge
[   13.321280][  T425] br_add_if (net/bridge/br_if.c:592) bridge
[   13.321287][  T425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.321291][  T425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.321295][  T425]  ? __kernel_text_address (kernel/extable.c:79)
[   13.321299][  T425]  do_set_master (net/core/rtnetlink.c:3071)
[   13.321303][  T425]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.321306][  T425]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.321310][  T425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.321311][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.321313][  T425]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.321317][  T425]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.321319][  T425]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.321321][  T425]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.321324][  T425]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.321327][  T425]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.321329][  T425]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.321331][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321333][  T425]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.321336][  T425]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.321340][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.321342][  T425]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.321345][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321347][  T425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.321349][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321351][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321353][  T425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.321357][  T425]  ? __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)
[   13.321360][  T425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.321362][  T425]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.321365][  T425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.321367][  T425]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.321372][  T425]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.321377][  T425]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.321382][  T425]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.321384][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321388][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.321390][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.321392][  T425]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.321394][  T425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.321397][  T425]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.321399][  T425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.321402][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.321404][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321408][  T425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.321410][  T425]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.321413][  T425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.321415][  T425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.321418][  T425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.321424][  T425]  ? 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))
[   13.321425][  T425]  ? 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))
[   13.321430][  T425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.321433][  T425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.321436][  T425]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.321440][  T425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.321444][  T425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.321447][  T425]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.321453][  T425]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.321455][  T425]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.321457][  T425]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.321459][  T425]  ? move_addr_to_kernel (net/socket.c:258)
[   13.321466][  T425]  ___sys_sendmsg (net/socket.c:2767)
[   13.321469][  T425]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.321484][  T425]  __sys_sendmsg (net/socket.c:2799)
[   13.321487][  T425]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.321493][  T425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.321496][  T425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.321499][  T425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.321502][  T425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.321505][  T425] RIP: 0033:0x7f6571b5a54e
[   13.321508][  T425] 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
[   13.321510][  T425] RSP: 002b:00007ffee41e3cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.321512][  T425] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6571b5a54e
[   13.321514][  T425] RDX: 0000000000000000 RSI: 00007ffee41e3d80 RDI: 0000000000000005
[   13.321515][  T425] RBP: 00007ffee41e3ce0 R08: 0000000000000000 R09: 0000000000000000
[   13.321516][  T425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91541c
[   13.321517][  T425] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee41e4440
| [   14.336950][  T518] softirqs last disabled at (21754): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.336953][  T518] Preemption disabled at:
| [   14.336954][  T518] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.336963][  T518] Tainted: [W]=WARN
[   14.336964][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.336966][  T518] Call Trace:
[   14.336968][  T518]  <TASK>
[   14.336969][  T518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.336975][  T518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.336978][  T518]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.336982][  T518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.336987][  T518]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.336992][  T518]  __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))
[   14.336994][  T518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.337000][  T518]  ? 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)
[   14.337003][  T518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.337006][  T518]  put_chars (drivers/char/virtio_console.c:1176)
[   14.337008][  T518]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.337011][  T518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.337014][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.337018][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.337021][  T518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.337027][  T518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.337030][  T518]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.337032][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337033][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337037][  T518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.337039][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.337043][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337045][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.337055][  T518]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.337059][  T518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.337061][  T518]  ? 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))
[   14.337065][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337067][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.337071][  T518]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.337075][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.337077][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337082][  T518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.337085][  T518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.337087][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337089][  T518]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.337093][  T518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.337095][  T518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.337098][  T518]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.337102][  T518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.337104][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.337107][  T518]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.337111][  T518]  _printk (kernel/printk/printk.c:2504)
[   14.337115][  T518]  ? snapshot_read.cold (user.c:?)
[   14.337119][  T518]  ? br_multicast_flood (??:?) bridge
[   14.337131][  T518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.337133][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.337134][  T518]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.337139][  T518] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.337149][  T518] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.337158][  T518] new_nbp (net/bridge/br_if.c:449) bridge
[   14.337167][  T518] br_add_if (net/bridge/br_if.c:592) bridge
[   14.337174][  T518]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.337179][  T518]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.337182][  T518]  ? __kernel_text_address (kernel/extable.c:79)
[   14.337186][  T518]  do_set_master (net/core/rtnetlink.c:3071)
[   14.337190][  T518]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.337193][  T518]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.337197][  T518]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.337198][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.337200][  T518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.337204][  T518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.337206][  T518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.337208][  T518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.337211][  T518]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.337214][  T518]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.337216][  T518]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.337218][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337220][  T518]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.337223][  T518]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.337228][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.337230][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.337232][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337235][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.337236][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337238][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337241][  T518]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.337244][  T518]  ? __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)
[   14.337248][  T518]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.337250][  T518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.337254][  T518]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.337256][  T518]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.337261][  T518]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.337267][  T518]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.337272][  T518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.337274][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337279][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.337281][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.337283][  T518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.337285][  T518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.337289][  T518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.337291][  T518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.337296][  T518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.337297][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337302][  T518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.337304][  T518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.337307][  T518]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.337309][  T518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.337312][  T518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.337318][  T518]  ? 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))
[   14.337320][  T518]  ? 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))
[   14.337324][  T518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.337328][  T518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.337331][  T518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.337335][  T518]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.337339][  T518]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.337343][  T518]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.337349][  T518]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.337351][  T518]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.337353][  T518]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.337355][  T518]  ? move_addr_to_kernel (net/socket.c:258)
[   14.337362][  T518]  ___sys_sendmsg (net/socket.c:2767)
[   14.337365][  T518]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.337381][  T518]  __sys_sendmsg (net/socket.c:2799)
[   14.337384][  T518]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.337390][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.337394][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.337396][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.337399][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.337402][  T518] RIP: 0033:0x7ffac7b0c54e
[   14.337405][  T518] 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
[   14.337407][  T518] RSP: 002b:00007ffee5e07500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.337410][  T518] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffac7b0c54e
[   14.337411][  T518] RDX: 0000000000000000 RSI: 00007ffee5e075b0 RDI: 0000000000000005
[   14.337412][  T518] RBP: 00007ffee5e07510 R08: 0000000000000000 R09: 0000000000000000
[   14.337413][  T518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91541d
[   14.337414][  T518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee5e07c70
| [   15.622831][  T628] softirqs last disabled at (15956): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.622834][  T628] Preemption disabled at:
| [   15.622835][  T628] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.622844][  T628] Tainted: [W]=WARN
[   15.622845][  T628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.622847][  T628] Call Trace:
[   15.622849][  T628]  <TASK>
[   15.622850][  T628]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.622856][  T628]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.622859][  T628]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.622863][  T628]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.622868][  T628]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.622873][  T628]  __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))
[   15.622876][  T628]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.622881][  T628]  ? 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)
[   15.622884][  T628]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.622887][  T628]  put_chars (drivers/char/virtio_console.c:1176)
[   15.622889][  T628]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.622892][  T628]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.622895][  T628]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.622899][  T628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.622902][  T628]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.622905][  T628]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.622909][  T628]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.622911][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.622912][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.622917][  T628]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.622919][  T628]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.622922][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.622925][  T628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.622929][  T628]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.622933][  T628]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.622935][  T628]  ? 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))
[   15.622938][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.622940][  T628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.622944][  T628]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.622949][  T628]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.622951][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.622956][  T628]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.622959][  T628]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.622961][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.622963][  T628]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.622967][  T628]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.622969][  T628]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.622972][  T628]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.622977][  T628]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.622979][  T628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.622985][  T628]  _printk (kernel/printk/printk.c:2504)
[   15.622988][  T628]  ? snapshot_read.cold (user.c:?)
[   15.622992][  T628]  ? br_multicast_flood (??:?) bridge
[   15.623005][  T628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.623007][  T628]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.623008][  T628]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.623013][  T628] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.623025][  T628] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.623034][  T628] new_nbp (net/bridge/br_if.c:449) bridge
[   15.623043][  T628] br_add_if (net/bridge/br_if.c:592) bridge
[   15.623051][  T628]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.623055][  T628]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.623067][  T628]  ? __kernel_text_address (kernel/extable.c:79)
[   15.623071][  T628]  do_set_master (net/core/rtnetlink.c:3071)
[   15.623076][  T628]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.623079][  T628]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.623083][  T628]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.623084][  T628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.623086][  T628]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.623090][  T628]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.623092][  T628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.623094][  T628]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.623097][  T628]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.623100][  T628]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.623102][  T628]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.623105][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.623107][  T628]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.623111][  T628]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.623115][  T628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.623117][  T628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.623120][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.623122][  T628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.623124][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.623126][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.623128][  T628]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.623133][  T628]  ? __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)
[   15.623136][  T628]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.623138][  T628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.623141][  T628]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.623143][  T628]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.623148][  T628]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.623153][  T628]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.623159][  T628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.623161][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.623165][  T628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.623167][  T628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.623170][  T628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.623172][  T628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.623176][  T628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.623178][  T628]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.623181][  T628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.623182][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.623187][  T628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.623189][  T628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.623192][  T628]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.623194][  T628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.623197][  T628]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.623203][  T628]  ? 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))
[   15.623205][  T628]  ? 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))
[   15.623209][  T628]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.623213][  T628]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.623216][  T628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.623220][  T628]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.623224][  T628]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.623228][  T628]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.623234][  T628]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.623236][  T628]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.623238][  T628]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.623240][  T628]  ? move_addr_to_kernel (net/socket.c:258)
[   15.623247][  T628]  ___sys_sendmsg (net/socket.c:2767)
[   15.623250][  T628]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.623266][  T628]  __sys_sendmsg (net/socket.c:2799)
[   15.623269][  T628]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.623276][  T628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.623279][  T628]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.623282][  T628]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.623285][  T628]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.623287][  T628] RIP: 0033:0x7ffb8d09854e
[   15.623291][  T628] 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
[   15.623293][  T628] RSP: 002b:00007fff38687090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.623296][  T628] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffb8d09854e
[   15.623298][  T628] RDX: 0000000000000000 RSI: 00007fff38687140 RDI: 0000000000000005
[   15.623299][  T628] RBP: 00007fff386870a0 R08: 0000000000000000 R09: 0000000000000000
[   15.623299][  T628] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91541e
[   15.623300][  T628] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff38687800
| [   16.916330][   T39] softirqs last disabled at (95640): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   16.916338][   T39] Preemption disabled at:
| [   16.916339][   T39] 0x0
| [   16.916349][   T39] Tainted: [W]=WARN
[   16.916351][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.916353][   T39] Workqueue: events_unbound linkwatch_event
[   16.916356][   T39] Call Trace:
[   16.916358][   T39]  <TASK>
[   16.916360][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.916367][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.916372][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.916376][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.916381][   T39]  __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))
[   16.916384][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.916390][   T39]  ? 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)
[   16.916392][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.916396][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   16.916399][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.916402][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.916406][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.916409][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.916413][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.916416][   T39]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.916418][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.916419][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.916424][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.916425][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.916430][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.916434][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.916438][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.916440][   T39]  ? 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))
[   16.916444][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.916446][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.916451][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.916455][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.916457][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.916463][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.916466][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.916468][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.916470][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.916474][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.916476][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.916480][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.916484][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.916486][   T39]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.916489][   T39]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   16.916491][   T39]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.916494][   T39]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   16.916498][   T39]  _printk (kernel/printk/printk.c:2504)
[   16.916502][   T39]  ? snapshot_read.cold (user.c:?)
[   16.916510][   T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.916520][   T39] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.916529][   T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   16.916537][   T39] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   16.916546][   T39] br_device_event (net/bridge/br.c:101) bridge
[   16.916556][   T39]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   16.916558][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.916566][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   16.916572][   T39]  netif_state_change (net/core/dev.c:1625)
[   16.916577][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   16.916582][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   16.916584][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   16.916587][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.916590][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.916595][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   16.916597][   T39]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   16.916601][   T39]  process_one_work (kernel/workqueue.c:3387)
[   16.916608][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   16.916611][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.916624][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   16.916632][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   16.916634][   T39]  kthread (kernel/kthread.c:436)
[   16.916637][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.916640][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.916643][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   16.916648][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   16.916651][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   16.916655][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   16.916658][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.175057][   T58] softirqs last disabled at (69574): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   18.175066][   T58] Preemption disabled at:
| [   18.175066][   T58] 0x0
| [   18.175077][   T58] Tainted: [W]=WARN
[   18.175078][   T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.175086][   T58] Workqueue: events_unbound linkwatch_event
[   18.175089][   T58] Call Trace:
[   18.175090][   T58]  <TASK>
[   18.175092][   T58]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.175099][   T58]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.175104][   T58]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.175108][   T58]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.175114][   T58]  __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))
[   18.175116][   T58]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.175122][   T58]  ? 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)
[   18.175125][   T58]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.175128][   T58]  put_chars (drivers/char/virtio_console.c:1176)
[   18.175131][   T58]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.175134][   T58]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.175138][   T58]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.175141][   T58]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.175145][   T58]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.175148][   T58]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.175150][   T58]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.175152][   T58]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.175156][   T58]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.175158][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.175162][   T58]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.175167][   T58]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.175171][   T58]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.175173][   T58]  ? 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))
[   18.175176][   T58]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.175179][   T58]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.175183][   T58]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.175187][   T58]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.175189][   T58]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.175195][   T58]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.175198][   T58]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.175200][   T58]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.175202][   T58]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.175206][   T58]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.175208][   T58]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.175212][   T58]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.175216][   T58]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.175219][   T58]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.175222][   T58]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.175226][   T58]  _printk (kernel/printk/printk.c:2504)
[   18.175230][   T58]  ? snapshot_read.cold (user.c:?)
[   18.175235][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.175239][   T58] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   18.175250][   T58] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   18.175258][   T58] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   18.175266][   T58] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   18.175275][   T58] br_device_event (net/bridge/br.c:101) bridge
[   18.175284][   T58]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   18.175286][   T58]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.175293][   T58]  notifier_call_chain (kernel/notifier.c:85)
[   18.175299][   T58]  netif_state_change (net/core/dev.c:1625)
[   18.175304][   T58]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.175309][   T58]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.175311][   T58]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.175314][   T58]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.175317][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.175322][   T58]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.175324][   T58]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   18.175327][   T58]  process_one_work (kernel/workqueue.c:3387)
[   18.175334][   T58]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.175337][   T58]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.175345][   T58]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.175352][   T58]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.175354][   T58]  kthread (kernel/kthread.c:436)
[   18.175357][   T58]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.175360][   T58]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.175363][   T58]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.175367][   T58]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.175371][   T58]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.175374][   T58]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.175377][   T58]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.114172][  T923] softirqs last disabled at (10602): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   24.114174][  T923] Preemption disabled at:
| [   24.114175][  T923] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.114185][  T923] Tainted: [W]=WARN
[   24.114186][  T923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.114187][  T923] Call Trace:
[   24.114189][  T923]  <TASK>
[   24.114190][  T923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.114197][  T923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.114199][  T923]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.114204][  T923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.114208][  T923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.114213][  T923]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.114215][  T923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.114221][  T923]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.114224][  T923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.114227][  T923]  put_chars (drivers/char/virtio_console.c:1176)
[   24.114230][  T923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.114233][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.114237][  T923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.114240][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.114244][  T923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.114246][  T923]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.114248][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.114250][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.114254][  T923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.114255][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.114259][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.114263][  T923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.114267][  T923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.114269][  T923]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.114272][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.114275][  T923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.114279][  T923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.114283][  T923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.114285][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.114290][  T923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.114293][  T923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.114294][  T923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.114297][  T923]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.114300][  T923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.114302][  T923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.114305][  T923]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.114309][  T923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.114312][  T923]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.114315][  T923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.114319][  T923]  _printk (kernel/printk/printk.c:2504)
[   24.114323][  T923]  ? snapshot_read.cold (user.c:?)
[   24.114325][  T923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.114327][  T923]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.114330][  T923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.114332][  T923]  ? mpol_to_str (mm/mempolicy.c:3580)
[   24.114334][  T923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.114338][  T923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.114341][  T923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.114344][  T923]  ? netdev_notice (net/core/dev.c:13194)
[   24.114345][  T923]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   24.114349][  T923]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   24.114355][  T923]  ? 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)
[   24.114359][  T923]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   24.114364][  T923]  dev_set_allmulti (net/core/dev_api.c:315)
[   24.114368][  T923]  vif_add (net/ipv4/ipmr.c:900)
[   24.114369][  T923]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   24.114373][  T923]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.114376][  T923]  ? pim_rcv (net/ipv4/ipmr.c:2441)
[   24.114379][  T923]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.114381][  T923]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.114387][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.114390][  T923]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.114394][  T923]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   24.114398][  T923]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   24.114405][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.114410][  T923]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   24.114415][  T923]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   24.114417][  T923]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   24.114419][  T923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.114422][  T923]  ? filemap_update_page (mm/filemap.c:2607)
[   24.114426][  T923]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   24.114430][  T923]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   24.114432][  T923]  ? handle_pte_fault (mm/memory.c:6558)
[   24.114436][  T923]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   24.114440][  T923]  raw_setsockopt (net/ipv4/raw.c:851)
[   24.114444][  T923]  ? raw_bind (net/ipv4/raw.c:733)
[   24.114445][  T923]  ? __handle_mm_fault (mm/memory.c:6707)
[   24.114448][  T923]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   24.114451][  T923]  do_sock_setsockopt (net/socket.c:2397)
[   24.114456][  T923]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   24.114460][  T923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.114464][  T923]  __sys_setsockopt (net/socket.c:2422)
[   24.114469][  T923]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   24.114471][  T923]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.114474][  T923]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.114477][  T923]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   24.114478][  T923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.114480][  T923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.114482][  T923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.114485][  T923] RIP: 0033:0x7f9bd36342de
[   24.114489][  T923] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   24.114491][  T923] RSP: 002b:00007ffc95cb1aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   24.114493][  T923] RAX: ffffffffffffffda RBX: 000055598b5e42c0 RCX: 00007f9bd36342de
[   24.114495][  T923] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   24.114496][  T923] RBP: 00007ffc95cb1b60 R08: 0000000000000010 R09: 0000000000000001
[   24.114497][  T923] R10: 00007ffc95cb1ae0 R11: 0000000000000246 R12: 00005559a5d65ef4
[   24.114497][  T923] R13: 0000000000000001 R14: 00005559a5d65ee0 R15: 0000000000000000
| [   26.828005][  T989] softirqs last disabled at (21260): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   26.828008][  T989] Preemption disabled at:
| [   26.828008][  T989] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.828018][  T989] Tainted: [W]=WARN
[   26.828019][  T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.828020][  T989] Call Trace:
[   26.828024][  T989]  <TASK>
[   26.828025][  T989]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.828032][  T989]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.828034][  T989]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.828038][  T989]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.828043][  T989]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.828048][  T989]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.828051][  T989]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.828056][  T989]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.828059][  T989]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.828063][  T989]  put_chars (drivers/char/virtio_console.c:1176)
[   26.828065][  T989]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.828067][  T989]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.828072][  T989]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.828077][  T989]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.828084][  T989]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.828086][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828088][  T989]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.828093][  T989]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.828096][  T989]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.828098][  T989]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.828102][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828104][  T989]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.828108][  T989]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.828113][  T989]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.828114][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.828120][  T989]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.828123][  T989]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.828124][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828127][  T989]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.828131][  T989]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.828132][  T989]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.828136][  T989]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.828140][  T989]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.828142][  T989]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.828143][  T989]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.828153][  T989]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.828154][  T989]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.828157][  T989]  ? ___sys_sendmsg (net/socket.c:2767)
[   26.828159][  T989]  ? __sys_sendmsg (net/socket.c:2799)
[   26.828160][  T989]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.828165][  T989]  _printk (kernel/printk/printk.c:2504)
[   26.828169][  T989]  ? snapshot_read.cold (user.c:?)
[   26.828173][  T989]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.828177][  T989]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.828181][  T989]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.828183][  T989]  ? netdev_notice (net/core/dev.c:13194)
[   26.828187][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828189][  T989]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   26.828192][  T989]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   26.828194][  T989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.828196][  T989]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.828200][  T989]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   26.828204][  T989]  dev_set_allmulti (net/core/dev_api.c:315)
[   26.828208][  T989] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   26.828221][  T989]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.828227][  T989] br_del_if (net/bridge/br_if.c:732) bridge
[   26.828234][  T989]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.828238][  T989]  do_set_master (net/core/rtnetlink.c:3055)
[   26.828242][  T989]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.828246][  T989]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.828249][  T989]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.828251][  T989]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.828253][  T989]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.828257][  T989]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.828260][  T989]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.828261][  T989]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.828264][  T989]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.828267][  T989]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.828269][  T989]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.828272][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.828274][  T989]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   26.828276][  T989]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.828279][  T989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.828281][  T989]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.828284][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828286][  T989]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.828288][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828290][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828292][  T989]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.828295][  T989]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.828298][  T989]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.828300][  T989]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.828303][  T989]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.828305][  T989]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.828310][  T989]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.828316][  T989]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.828321][  T989]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.828323][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.828327][  T989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.828329][  T989]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.828331][  T989]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.828333][  T989]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.828337][  T989]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.828339][  T989]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.828342][  T989]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.828344][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.828348][  T989]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.828350][  T989]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.828353][  T989]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.828355][  T989]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.828358][  T989]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.828364][  T989]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.828365][  T989]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.828370][  T989]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.828373][  T989]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.828376][  T989]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.828380][  T989]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.828384][  T989]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.828388][  T989]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.828393][  T989]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.828396][  T989]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.828398][  T989]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.828400][  T989]  ? move_addr_to_kernel (net/socket.c:258)
[   26.828407][  T989]  ___sys_sendmsg (net/socket.c:2767)
[   26.828410][  T989]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.828425][  T989]  __sys_sendmsg (net/socket.c:2799)
[   26.828427][  T989]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.828434][  T989]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.828437][  T989]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.828439][  T989]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.828442][  T989]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.828445][  T989] RIP: 0033:0x7fd22725254e
[   26.828448][  T989] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.828450][  T989] RSP: 002b:00007ffe172cd060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.828453][  T989] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd22725254e
[   26.828454][  T989] RDX: 0000000000000000 RSI: 00007ffe172cd110 RDI: 0000000000000005
[   26.828455][  T989] RBP: 00007ffe172cd070 R08: 0000000000000000 R09: 0000000000000000
[   26.828456][  T989] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91542a
[   26.828457][  T989] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe172cd7d0
| [   29.610133][    C0] softirqs last disabled at (1311725): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.610135][    C0] Preemption disabled at:
| [   29.610136][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   29.610146][    C0] Tainted: [W]=WARN
[   29.610147][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.610149][    C0] Call Trace:
[   29.610151][    C0]  <IRQ>
[   29.610153][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.610158][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   29.610160][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.610164][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.610173][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.610176][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610180][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.610183][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.610186][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.610190][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.610191][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.610193][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   29.610195][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.610197][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.610201][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.610204][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.610206][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610207][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.610210][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.610212][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.610214][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610216][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610218][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.610220][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.610221][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.610224][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.610226][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.610228][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.610230][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.610231][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610233][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.610235][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.610236][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.610238][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.610240][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.610243][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.610245][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610247][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.610248][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   29.610253][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.610256][    C0]  ? snapshot_read.cold (user.c:?)
[   29.610258][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.610262][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.610264][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.610266][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.610269][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.610272][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.610274][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.610275][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.610278][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.610279][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.610292][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610294][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.610296][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.610302][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.610304][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.610310][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.610317][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.610323][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.610326][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.610328][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.610332][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.610334][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.610335][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610338][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.610339][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.610346][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.610348][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.610351][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.610353][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.610355][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.610357][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.610359][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610361][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.610363][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.610365][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.610367][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.610368][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.610370][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.610373][    C0]  </IRQ>
[   29.610373][    C0]  <TASK>
[   29.610374][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.610376][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.610378][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.610381][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.610383][    C0] RSP: 0018:ffffffffad407cf8 EFLAGS: 00000296
[   29.610386][    C0] RAX: 00000000001403eb RBX: ffffffffad41c600 RCX: ffffffffaa4f0307
[   29.610388][    C0] RDX: ffffffffad41c600 RSI: ffffffffad238b01 RDI: ffffffffacc8d8e0
[   29.610389][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.610390][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5a80fa2
[   29.610390][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.610392][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.610395][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.610397][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.610398][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.610400][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.610402][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.610403][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.610406][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.610408][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.610410][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.610411][    C0]  rest_init (init/main.c:727)
[   29.610413][    C0]  ? __cpuidle_text_end (??:?)
[   29.610416][    C0]  ? rest_init (init/main.c:727)
[   29.610418][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.610422][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.610425][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.610427][    C0]  start_kernel (init/main.c:1185)
[   29.610429][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.610431][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.610433][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.679455][    C0]
| [   29.679586][    C0]
| [   29.679586][    C0] stack backtrace:
| [   29.679772][    C0] Tainted: [W]=WARN
[   29.679773][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.679774][    C0] Call Trace:
[   29.679775][    C0]  <IRQ>
[   29.679776][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.679780][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.679783][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.679786][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.679788][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.679790][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.679792][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.679794][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.679801][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.679805][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.679807][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.679813][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.679814][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.679821][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.679828][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.679834][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.679836][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.679838][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.679842][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.679844][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.679845][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.679848][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.679850][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.679856][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.679858][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.679861][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.679863][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.679865][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.679867][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.679869][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.679871][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.679873][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.679875][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.679877][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.679878][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.679880][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.679882][    C0]  </IRQ>
[   29.679882][    C0]  <TASK>
[   29.679883][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.679884][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.679886][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.679888][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.679889][    C0] RSP: 0018:ffffffffad407cf8 EFLAGS: 00000296
[   29.679891][    C0] RAX: 00000000001403eb RBX: ffffffffad41c600 RCX: ffffffffaa4f0307
[   29.679892][    C0] RDX: ffffffffad41c600 RSI: ffffffffad238b01 RDI: ffffffffacc8d8e0
[   29.679893][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.679894][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5a80fa2
[   29.679895][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.679897][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.679899][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.679901][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.679902][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.679904][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.679906][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.679907][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.679909][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.679912][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.679913][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.679915][    C0]  rest_init (init/main.c:727)
[   29.679916][    C0]  ? __cpuidle_text_end (??:?)
[   29.679919][    C0]  ? rest_init (init/main.c:727)
[   29.679921][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.679925][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.679927][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.679930][    C0]  start_kernel (init/main.c:1185)
[   29.679932][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.679933][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.679935][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   33.845189][ T1225] softirqs last disabled at (0): 0x0
| [   33.845190][ T1225] Preemption disabled at:
| [   33.845191][ T1225] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.845208][ T1225] Tainted: [W]=WARN
[   33.845209][ T1225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.845211][ T1225] Call Trace:
[   33.845213][ T1225]  <TASK>
[   33.845214][ T1225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.845220][ T1225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.845222][ T1225]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.845226][ T1225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.845229][ T1225]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   33.845232][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845236][ T1225]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.845239][ T1225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.845242][ T1225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.845245][ T1225]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.845247][ T1225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.845249][ T1225]  put_chars (drivers/char/virtio_console.c:1176)
[   33.845251][ T1225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.845253][ T1225]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.845255][ T1225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.845259][ T1225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.845260][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845262][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845264][ T1225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.845267][ T1225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.845269][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845271][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845272][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845274][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845276][ T1225]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.845278][ T1225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.845280][ T1225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.845283][ T1225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.845285][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845287][ T1225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.845288][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845290][ T1225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.845291][ T1225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.845293][ T1225]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.845295][ T1225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.845297][ T1225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.845299][ T1225]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.845302][ T1225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.845303][ T1225]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.845307][ T1225]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.845310][ T1225]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.845311][ T1225]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.845314][ T1225]  ? ___sys_sendmsg (net/socket.c:2767)
[   33.845315][ T1225]  ? __sys_sendmsg (net/socket.c:2799)
[   33.845317][ T1225]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.845320][ T1225]  _printk (kernel/printk/printk.c:2504)
[   33.845323][ T1225]  ? snapshot_read.cold (user.c:?)
[   33.845326][ T1225]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.845328][ T1225]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.845330][ T1225]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.845332][ T1225]  ? netdev_notice (net/core/dev.c:13194)
[   33.845334][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845336][ T1225]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   33.845338][ T1225]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   33.845340][ T1225]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   33.845342][ T1225]  ? 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)
[   33.845344][ T1225]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   33.845347][ T1225]  dev_set_allmulti (net/core/dev_api.c:315)
[   33.845350][ T1225] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   33.845362][ T1225]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   33.845366][ T1225]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.845369][ T1225] br_del_if (net/bridge/br_if.c:732) bridge
[   33.845376][ T1225]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.845378][ T1225]  do_set_master (net/core/rtnetlink.c:3055)
[   33.845381][ T1225]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   33.845384][ T1225]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.845386][ T1225]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.845387][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845389][ T1225]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   33.845393][ T1225]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.845395][ T1225]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.845397][ T1225]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.845399][ T1225]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.845400][ T1225]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   33.845402][ T1225]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   33.845403][ T1225]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.845404][ T1225]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.845406][ T1225]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.845407][ T1225]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.845408][ T1225]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.845410][ T1225]  ? ___sys_sendmsg (net/socket.c:2767)
[   33.845411][ T1225]  ? __sys_sendmsg (net/socket.c:2799)
[   33.845412][ T1225]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.845414][ T1225]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.845416][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845418][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845420][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845421][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845423][ T1225]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.845425][ T1225]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   33.845427][ T1225]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.845429][ T1225]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.845430][ T1225]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.845432][ T1225]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.845434][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.845436][ T1225]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.845438][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845440][ T1225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.845441][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845443][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845445][ T1225]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   33.845447][ T1225]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   33.845448][ T1225]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.845450][ T1225]  ? __kernel_text_address (kernel/extable.c:79)
[   33.845451][ T1225]  ? write_profile (profile.c:?)
[   33.845452][ T1225]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.845455][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845457][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845458][ T1225]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   33.845462][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845463][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845465][ T1225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.845466][ T1225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.845468][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.845469][ T1225]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   33.845471][ T1225]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   33.845473][ T1225]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.845475][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.845476][ T1225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.845478][ T1225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.845479][ T1225]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   33.845482][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845484][ T1225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.845486][ T1225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.845488][ T1225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.845490][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845491][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845493][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.845495][ T1225]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.845497][ T1225]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.845499][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845501][ T1225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.845503][ T1225]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.845504][ T1225]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.845506][ T1225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.845508][ T1225]  ? move_addr_to_kernel (net/socket.c:258)
[   33.845509][ T1225]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   33.845512][ T1225]  ___sys_sendmsg (net/socket.c:2767)
[   33.845514][ T1225]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.845518][ T1225]  __sys_sendmsg (net/socket.c:2799)
[   33.845520][ T1225]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.845523][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.845525][ T1225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.845527][ T1225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.845529][ T1225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.845531][ T1225] RIP: 0033:0x7f71e854854e
[   33.845533][ T1225] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.845534][ T1225] RSP: 002b:00007fff0a4443e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.845538][ T1225] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f71e854854e
[   33.845540][ T1225] RDX: 0000000000000000 RSI: 00007fff0a444490 RDI: 0000000000000005
[   33.845541][ T1225] RBP: 00007fff0a4443f0 R08: 0000000000000000 R09: 0000000000000000
[   33.845542][ T1225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915431
[   33.845543][ T1225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0a444b50
| [   36.649411][ T1348] softirqs last disabled at (0): 0x0
| [   36.649413][ T1348] Preemption disabled at:
| [   36.649413][ T1348] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.649424][ T1348] Tainted: [W]=WARN
[   36.649425][ T1348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.649427][ T1348] Call Trace:
[   36.649428][ T1348]  <TASK>
[   36.649429][ T1348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.649435][ T1348]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.649437][ T1348]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.649440][ T1348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.649443][ T1348]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   36.649446][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649450][ T1348]  __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))
[   36.649453][ T1348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.649455][ T1348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.649459][ T1348]  ? 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)
[   36.649461][ T1348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.649463][ T1348]  put_chars (drivers/char/virtio_console.c:1176)
[   36.649465][ T1348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.649467][ T1348]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.649469][ T1348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.649473][ T1348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.649474][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649476][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649478][ T1348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.649481][ T1348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.649483][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649484][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649486][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649488][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649490][ T1348]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.649492][ T1348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.649494][ T1348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.649497][ T1348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.649498][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649500][ T1348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.649502][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649503][ T1348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.649505][ T1348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.649506][ T1348]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   36.649508][ T1348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.649510][ T1348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.649512][ T1348]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.649515][ T1348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.649517][ T1348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.649520][ T1348]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.649523][ T1348]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.649524][ T1348]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.649527][ T1348]  ? ___sys_sendmsg (net/socket.c:2767)
[   36.649528][ T1348]  ? __sys_sendmsg (net/socket.c:2799)
[   36.649530][ T1348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.649533][ T1348]  _printk (kernel/printk/printk.c:2504)
[   36.649536][ T1348]  ? snapshot_read.cold (user.c:?)
[   36.649539][ T1348]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.649542][ T1348]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.649543][ T1348]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.649545][ T1348]  ? netdev_notice (net/core/dev.c:13194)
[   36.649547][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649549][ T1348]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   36.649551][ T1348]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   36.649554][ T1348]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   36.649557][ T1348]  ? 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)
[   36.649560][ T1348]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   36.649564][ T1348]  dev_set_allmulti (net/core/dev_api.c:315)
[   36.649568][ T1348] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   36.649581][ T1348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   36.649585][ T1348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.649588][ T1348] br_del_if (net/bridge/br_if.c:732) bridge
[   36.649595][ T1348]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.649597][ T1348]  do_set_master (net/core/rtnetlink.c:3055)
[   36.649600][ T1348]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   36.649603][ T1348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.649605][ T1348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.649607][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649608][ T1348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.649612][ T1348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.649615][ T1348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.649616][ T1348]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.649618][ T1348]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.649620][ T1348]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   36.649621][ T1348]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   36.649623][ T1348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.649624][ T1348]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.649625][ T1348]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.649627][ T1348]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.649628][ T1348]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.649629][ T1348]  ? ___sys_sendmsg (net/socket.c:2767)
[   36.649631][ T1348]  ? __sys_sendmsg (net/socket.c:2799)
[   36.649632][ T1348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.649634][ T1348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.649636][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649638][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649639][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649641][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649643][ T1348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.649645][ T1348]  ? __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)
[   36.649647][ T1348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.649649][ T1348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.649650][ T1348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.649652][ T1348]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.649654][ T1348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.649656][ T1348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.649658][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649660][ T1348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.649661][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649663][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649665][ T1348]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   36.649667][ T1348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   36.649668][ T1348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.649670][ T1348]  ? __kernel_text_address (kernel/extable.c:79)
[   36.649671][ T1348]  ? write_profile (profile.c:?)
[   36.649672][ T1348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.649675][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649677][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649679][ T1348]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   36.649682][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649684][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649686][ T1348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.649687][ T1348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.649689][ T1348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.649690][ T1348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.649692][ T1348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.649694][ T1348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.649696][ T1348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.649697][ T1348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.649699][ T1348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.649700][ T1348]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   36.649702][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649704][ T1348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.649706][ T1348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.649708][ T1348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.649710][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649712][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649714][ T1348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.649716][ T1348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.649718][ T1348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.649720][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649721][ T1348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.649723][ T1348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.649725][ T1348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.649727][ T1348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.649728][ T1348]  ? move_addr_to_kernel (net/socket.c:258)
[   36.649730][ T1348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.649732][ T1348]  ___sys_sendmsg (net/socket.c:2767)
[   36.649734][ T1348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.649739][ T1348]  __sys_sendmsg (net/socket.c:2799)
[   36.649741][ T1348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.649744][ T1348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.649746][ T1348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.649747][ T1348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.649749][ T1348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.649751][ T1348] RIP: 0033:0x7fc0d1c9254e
[   36.649753][ T1348] 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
[   36.649754][ T1348] RSP: 002b:00007ffd3d31bc30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.649758][ T1348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc0d1c9254e
[   36.649759][ T1348] RDX: 0000000000000000 RSI: 00007ffd3d31bce0 RDI: 0000000000000005
[   36.649760][ T1348] RBP: 00007ffd3d31bc40 R08: 0000000000000000 R09: 0000000000000000
[   36.649761][ T1348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915434
[   36.649762][ T1348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3d31c3a0
| [   39.188846][ T1414] softirqs last disabled at (0): 0x0
| [   39.188848][ T1414] Preemption disabled at:
| [   39.188849][ T1414] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.188860][ T1414] Tainted: [W]=WARN
[   39.188861][ T1414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.188862][ T1414] Call Trace:
[   39.188864][ T1414]  <TASK>
[   39.188865][ T1414]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.188871][ T1414]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.188873][ T1414]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.188877][ T1414]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.188880][ T1414]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   39.188883][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188887][ T1414]  __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))
[   39.188890][ T1414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.188893][ T1414]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.188897][ T1414]  ? 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)
[   39.188899][ T1414]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.188901][ T1414]  put_chars (drivers/char/virtio_console.c:1176)
[   39.188903][ T1414]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.188904][ T1414]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   39.188907][ T1414]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.188911][ T1414]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.188912][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188914][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.188916][ T1414]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.188919][ T1414]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.188921][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188922][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188924][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188926][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.188928][ T1414]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.188929][ T1414]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.188932][ T1414]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.188935][ T1414]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.188936][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.188938][ T1414]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.188940][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188941][ T1414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.188943][ T1414]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.188944][ T1414]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.188946][ T1414]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.188948][ T1414]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.188950][ T1414]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.188953][ T1414]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.188955][ T1414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.188958][ T1414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.188961][ T1414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.188962][ T1414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.188965][ T1414]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.188967][ T1414]  ? __sys_sendmsg (net/socket.c:2799)
[   39.188968][ T1414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.188972][ T1414]  _printk (kernel/printk/printk.c:2504)
[   39.188975][ T1414]  ? snapshot_read.cold (user.c:?)
[   39.188977][ T1414]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.188980][ T1414]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.188982][ T1414]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.188984][ T1414]  ? netdev_notice (net/core/dev.c:13194)
[   39.188986][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.188988][ T1414]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   39.188989][ T1414]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.188992][ T1414]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   39.188994][ T1414]  ? 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)
[   39.188996][ T1414]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   39.188999][ T1414]  dev_set_allmulti (net/core/dev_api.c:315)
[   39.189002][ T1414] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   39.189014][ T1414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.189018][ T1414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.189021][ T1414] br_del_if (net/bridge/br_if.c:732) bridge
[   39.189030][ T1414]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.189032][ T1414]  do_set_master (net/core/rtnetlink.c:3055)
[   39.189035][ T1414]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   39.189038][ T1414]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.189040][ T1414]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.189042][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189043][ T1414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.189047][ T1414]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.189050][ T1414]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.189051][ T1414]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.189053][ T1414]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.189055][ T1414]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.189056][ T1414]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.189057][ T1414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.189059][ T1414]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.189060][ T1414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.189061][ T1414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.189063][ T1414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.189064][ T1414]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.189065][ T1414]  ? __sys_sendmsg (net/socket.c:2799)
[   39.189067][ T1414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.189068][ T1414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.189071][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189073][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189074][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189076][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189077][ T1414]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.189080][ T1414]  ? __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)
[   39.189082][ T1414]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.189083][ T1414]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.189085][ T1414]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.189086][ T1414]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.189089][ T1414]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.189091][ T1414]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.189093][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189095][ T1414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.189096][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189097][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189099][ T1414]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.189101][ T1414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.189103][ T1414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.189104][ T1414]  ? __kernel_text_address (kernel/extable.c:79)
[   39.189106][ T1414]  ? write_profile (profile.c:?)
[   39.189107][ T1414]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.189110][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189112][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189113][ T1414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.189117][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189118][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189120][ T1414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.189122][ T1414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.189123][ T1414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.189125][ T1414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.189126][ T1414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.189129][ T1414]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.189130][ T1414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.189132][ T1414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189133][ T1414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.189135][ T1414]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.189137][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189139][ T1414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189141][ T1414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.189143][ T1414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.189144][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189146][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189148][ T1414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.189150][ T1414]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.189152][ T1414]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.189154][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189155][ T1414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.189157][ T1414]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.189159][ T1414]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.189161][ T1414]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.189162][ T1414]  ? move_addr_to_kernel (net/socket.c:258)
[   39.189164][ T1414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.189167][ T1414]  ___sys_sendmsg (net/socket.c:2767)
[   39.189168][ T1414]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.189173][ T1414]  __sys_sendmsg (net/socket.c:2799)
[   39.189175][ T1414]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.189178][ T1414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.189180][ T1414]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.189182][ T1414]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.189184][ T1414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.189186][ T1414] RIP: 0033:0x7fa7bdd0e54e
[   39.189188][ T1414] 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
[   39.189189][ T1414] RSP: 002b:00007ffd190f1290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.189193][ T1414] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa7bdd0e54e
[   39.189195][ T1414] RDX: 0000000000000000 RSI: 00007ffd190f1340 RDI: 0000000000000005
[   39.189195][ T1414] RBP: 00007ffd190f12a0 R08: 0000000000000000 R09: 0000000000000000
[   39.189196][ T1414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915436
[   39.189197][ T1414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd190f1a00
| [   41.912623][ T1519] softirqs last disabled at (0): 0x0
| [   41.912625][ T1519] Preemption disabled at:
| [   41.912626][ T1519] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.912637][ T1519] Tainted: [W]=WARN
[   41.912638][ T1519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.912640][ T1519] Call Trace:
[   41.912642][ T1519]  <TASK>
[   41.912643][ T1519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.912648][ T1519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.912650][ T1519]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.912654][ T1519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.912658][ T1519]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.912660][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912664][ T1519]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.912667][ T1519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.912670][ T1519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.912674][ T1519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.912676][ T1519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.912678][ T1519]  put_chars (drivers/char/virtio_console.c:1176)
[   41.912680][ T1519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.912682][ T1519]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.912684][ T1519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.912688][ T1519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.912689][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912691][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912693][ T1519]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.912696][ T1519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.912698][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912699][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912701][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912703][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912705][ T1519]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.912707][ T1519]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.912710][ T1519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.912712][ T1519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.912714][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912716][ T1519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.912718][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912719][ T1519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.912721][ T1519]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.912722][ T1519]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.912724][ T1519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.912726][ T1519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.912729][ T1519]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.912731][ T1519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.912733][ T1519]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.912736][ T1519]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.912739][ T1519]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.912741][ T1519]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.912743][ T1519]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.912745][ T1519]  ? __sys_sendmsg (net/socket.c:2799)
[   41.912746][ T1519]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.912750][ T1519]  _printk (kernel/printk/printk.c:2504)
[   41.912753][ T1519]  ? snapshot_read.cold (user.c:?)
[   41.912755][ T1519]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.912758][ T1519]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.912760][ T1519]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.912762][ T1519]  ? netdev_notice (net/core/dev.c:13194)
[   41.912764][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912766][ T1519]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   41.912767][ T1519]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.912770][ T1519]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   41.912771][ T1519]  ? 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)
[   41.912774][ T1519]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   41.912777][ T1519]  dev_set_allmulti (net/core/dev_api.c:315)
[   41.912780][ T1519] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   41.912792][ T1519]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.912796][ T1519]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.912799][ T1519] br_del_if (net/bridge/br_if.c:732) bridge
[   41.912806][ T1519]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.912808][ T1519]  do_set_master (net/core/rtnetlink.c:3055)
[   41.912811][ T1519]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.912814][ T1519]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.912816][ T1519]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.912818][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912819][ T1519]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.912823][ T1519]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.912826][ T1519]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.912827][ T1519]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.912829][ T1519]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.912830][ T1519]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.912832][ T1519]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.912833][ T1519]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.912835][ T1519]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.912836][ T1519]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.912837][ T1519]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.912839][ T1519]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.912840][ T1519]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.912842][ T1519]  ? __sys_sendmsg (net/socket.c:2799)
[   41.912843][ T1519]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.912844][ T1519]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.912847][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912849][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912850][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912852][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912854][ T1519]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.912856][ T1519]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.912858][ T1519]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.912859][ T1519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.912861][ T1519]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.912863][ T1519]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.912865][ T1519]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.912867][ T1519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.912869][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912871][ T1519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.912872][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912874][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912876][ T1519]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.912878][ T1519]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.912879][ T1519]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.912881][ T1519]  ? __kernel_text_address (kernel/extable.c:79)
[   41.912882][ T1519]  ? write_profile (profile.c:?)
[   41.912883][ T1519]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.912886][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912888][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912890][ T1519]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.912893][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912895][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912897][ T1519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.912898][ T1519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.912900][ T1519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.912901][ T1519]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.912903][ T1519]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.912905][ T1519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.912907][ T1519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.912908][ T1519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.912909][ T1519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.912911][ T1519]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.912913][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912915][ T1519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.912917][ T1519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.912919][ T1519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.912921][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912923][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912925][ T1519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.912927][ T1519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.912929][ T1519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.912930][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912932][ T1519]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.912934][ T1519]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.912936][ T1519]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.912938][ T1519]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.912939][ T1519]  ? move_addr_to_kernel (net/socket.c:258)
[   41.912941][ T1519]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.912943][ T1519]  ___sys_sendmsg (net/socket.c:2767)
[   41.912945][ T1519]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.912950][ T1519]  __sys_sendmsg (net/socket.c:2799)
[   41.912952][ T1519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.912955][ T1519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.912957][ T1519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.912958][ T1519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.912961][ T1519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.912962][ T1519] RIP: 0033:0x7f3b011b454e
[   41.912964][ T1519] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.912966][ T1519] RSP: 002b:00007fff16192940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.912970][ T1519] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3b011b454e
[   41.912971][ T1519] RDX: 0000000000000000 RSI: 00007fff161929f0 RDI: 0000000000000005
[   41.912972][ T1519] RBP: 00007fff16192950 R08: 0000000000000000 R09: 0000000000000000
[   41.912973][ T1519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915439
[   41.912974][ T1519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff161930b0
| [   44.806438][ T1642] softirqs last disabled at (0): 0x0
| [   44.806440][ T1642] Preemption disabled at:
| [   44.806440][ T1642] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.806452][ T1642] Tainted: [W]=WARN
[   44.806452][ T1642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.806454][ T1642] Call Trace:
[   44.806456][ T1642]  <TASK>
[   44.806457][ T1642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.806462][ T1642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.806464][ T1642]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.806467][ T1642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.806471][ T1642]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   44.806473][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806477][ T1642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.806480][ T1642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.806483][ T1642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.806487][ T1642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.806489][ T1642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.806491][ T1642]  put_chars (drivers/char/virtio_console.c:1176)
[   44.806493][ T1642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.806494][ T1642]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   44.806497][ T1642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.806500][ T1642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.806502][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806504][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806506][ T1642]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.806509][ T1642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.806511][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806512][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806514][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806516][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806518][ T1642]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.806519][ T1642]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.806522][ T1642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.806525][ T1642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.806526][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806528][ T1642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.806530][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806531][ T1642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.806533][ T1642]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.806534][ T1642]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.806536][ T1642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.806538][ T1642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.806540][ T1642]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.806543][ T1642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.806545][ T1642]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.806548][ T1642]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.806550][ T1642]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.806552][ T1642]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.806555][ T1642]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.806556][ T1642]  ? __sys_sendmsg (net/socket.c:2799)
[   44.806558][ T1642]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.806561][ T1642]  _printk (kernel/printk/printk.c:2504)
[   44.806564][ T1642]  ? snapshot_read.cold (user.c:?)
[   44.806566][ T1642]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.806569][ T1642]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.806571][ T1642]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.806573][ T1642]  ? netdev_notice (net/core/dev.c:13194)
[   44.806575][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806577][ T1642]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   44.806578][ T1642]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.806581][ T1642]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   44.806582][ T1642]  ? 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)
[   44.806585][ T1642]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   44.806588][ T1642]  dev_set_allmulti (net/core/dev_api.c:315)
[   44.806590][ T1642] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   44.806603][ T1642]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.806606][ T1642]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.806609][ T1642] br_del_if (net/bridge/br_if.c:732) bridge
[   44.806618][ T1642]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.806621][ T1642]  do_set_master (net/core/rtnetlink.c:3055)
[   44.806625][ T1642]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.806629][ T1642]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.806632][ T1642]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.806634][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806636][ T1642]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.806640][ T1642]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.806643][ T1642]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.806644][ T1642]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.806646][ T1642]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.806647][ T1642]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.806649][ T1642]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.806650][ T1642]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.806651][ T1642]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.806653][ T1642]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.806654][ T1642]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.806656][ T1642]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.806657][ T1642]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.806658][ T1642]  ? __sys_sendmsg (net/socket.c:2799)
[   44.806660][ T1642]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.806661][ T1642]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.806664][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806666][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806667][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806669][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806670][ T1642]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.806673][ T1642]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.806675][ T1642]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.806676][ T1642]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.806678][ T1642]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.806679][ T1642]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.806681][ T1642]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.806683][ T1642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.806685][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806687][ T1642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.806689][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806690][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806692][ T1642]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.806694][ T1642]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.806696][ T1642]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.806698][ T1642]  ? __kernel_text_address (kernel/extable.c:79)
[   44.806699][ T1642]  ? write_profile (profile.c:?)
[   44.806700][ T1642]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.806703][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806704][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806706][ T1642]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.806710][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806711][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806713][ T1642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.806715][ T1642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.806716][ T1642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.806718][ T1642]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.806719][ T1642]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.806722][ T1642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.806723][ T1642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.806725][ T1642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.806726][ T1642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.806728][ T1642]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.806730][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806732][ T1642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.806734][ T1642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.806736][ T1642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.806738][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806739][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806741][ T1642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.806743][ T1642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.806745][ T1642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.806747][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806749][ T1642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.806751][ T1642]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.806752][ T1642]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.806754][ T1642]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.806756][ T1642]  ? move_addr_to_kernel (net/socket.c:258)
[   44.806757][ T1642]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.806760][ T1642]  ___sys_sendmsg (net/socket.c:2767)
[   44.806762][ T1642]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.806766][ T1642]  __sys_sendmsg (net/socket.c:2799)
[   44.806768][ T1642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.806771][ T1642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.806773][ T1642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.806775][ T1642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.806777][ T1642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.806779][ T1642] RIP: 0033:0x7f18b8a9554e
[   44.806780][ T1642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.806782][ T1642] RSP: 002b:00007fff96edde20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.806786][ T1642] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f18b8a9554e
[   44.806787][ T1642] RDX: 0000000000000000 RSI: 00007fff96edded0 RDI: 0000000000000005
[   44.806788][ T1642] RBP: 00007fff96edde30 R08: 0000000000000000 R09: 0000000000000000
[   44.806789][ T1642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91543c
[   44.806790][ T1642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff96ede590
| [   47.600231][ T1750] softirqs last disabled at (0): 0x0
| [   47.600232][ T1750] Preemption disabled at:
| [   47.600233][ T1750] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.600245][ T1750] Tainted: [W]=WARN
[   47.600246][ T1750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.600248][ T1750] Call Trace:
[   47.600249][ T1750]  <TASK>
[   47.600251][ T1750]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.600256][ T1750]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.600258][ T1750]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.600262][ T1750]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.600266][ T1750]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   47.600269][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600273][ T1750]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.600276][ T1750]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.600278][ T1750]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.600282][ T1750]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.600284][ T1750]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.600286][ T1750]  put_chars (drivers/char/virtio_console.c:1176)
[   47.600288][ T1750]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.600290][ T1750]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   47.600292][ T1750]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.600296][ T1750]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.600298][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600299][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600302][ T1750]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.600309][ T1750]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.600311][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600313][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600315][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600317][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600319][ T1750]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.600320][ T1750]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.600323][ T1750]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.600326][ T1750]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.600327][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600329][ T1750]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.600331][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600332][ T1750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.600334][ T1750]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.600335][ T1750]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   47.600337][ T1750]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.600339][ T1750]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.600341][ T1750]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.600344][ T1750]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.600345][ T1750]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.600349][ T1750]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.600351][ T1750]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.600353][ T1750]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.600356][ T1750]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.600357][ T1750]  ? __sys_sendmsg (net/socket.c:2799)
[   47.600359][ T1750]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.600362][ T1750]  _printk (kernel/printk/printk.c:2504)
[   47.600365][ T1750]  ? snapshot_read.cold (user.c:?)
[   47.600367][ T1750]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.600370][ T1750]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.600372][ T1750]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.600374][ T1750]  ? netdev_notice (net/core/dev.c:13194)
[   47.600376][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600378][ T1750]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   47.600379][ T1750]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   47.600382][ T1750]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   47.600383][ T1750]  ? 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)
[   47.600386][ T1750]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   47.600389][ T1750]  dev_set_allmulti (net/core/dev_api.c:315)
[   47.600392][ T1750] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   47.600404][ T1750]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.600408][ T1750]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.600411][ T1750] br_del_if (net/bridge/br_if.c:732) bridge
[   47.600418][ T1750]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.600420][ T1750]  do_set_master (net/core/rtnetlink.c:3055)
[   47.600423][ T1750]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   47.600426][ T1750]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.600429][ T1750]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.600430][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600432][ T1750]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.600435][ T1750]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.600438][ T1750]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.600439][ T1750]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.600441][ T1750]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.600443][ T1750]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   47.600444][ T1750]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   47.600445][ T1750]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.600446][ T1750]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.600448][ T1750]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.600449][ T1750]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.600450][ T1750]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.600452][ T1750]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.600453][ T1750]  ? __sys_sendmsg (net/socket.c:2799)
[   47.600455][ T1750]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.600456][ T1750]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.600458][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600460][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600462][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600463][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600465][ T1750]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.600467][ T1750]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.600469][ T1750]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.600471][ T1750]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.600472][ T1750]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.600474][ T1750]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.600476][ T1750]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.600478][ T1750]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.600480][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600482][ T1750]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.600483][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600485][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600487][ T1750]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.600489][ T1750]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.600491][ T1750]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.600492][ T1750]  ? __kernel_text_address (kernel/extable.c:79)
[   47.600493][ T1750]  ? write_profile (profile.c:?)
[   47.600494][ T1750]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.600497][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600499][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600500][ T1750]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.600504][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600506][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600507][ T1750]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.600509][ T1750]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.600511][ T1750]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.600512][ T1750]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.600513][ T1750]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.600516][ T1750]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.600517][ T1750]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.600519][ T1750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.600520][ T1750]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.600522][ T1750]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.600524][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600526][ T1750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.600528][ T1750]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.600530][ T1750]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.600532][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600533][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600535][ T1750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.600537][ T1750]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.600539][ T1750]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.600541][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600543][ T1750]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.600544][ T1750]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.600546][ T1750]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.600548][ T1750]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.600549][ T1750]  ? move_addr_to_kernel (net/socket.c:258)
[   47.600551][ T1750]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.600553][ T1750]  ___sys_sendmsg (net/socket.c:2767)
[   47.600555][ T1750]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.600560][ T1750]  __sys_sendmsg (net/socket.c:2799)
[   47.600562][ T1750]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.600565][ T1750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.600567][ T1750]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.600568][ T1750]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.600571][ T1750]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.600572][ T1750] RIP: 0033:0x7f8d2ecc554e
[   47.600574][ T1750] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.600576][ T1750] RSP: 002b:00007fff14f98090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.600580][ T1750] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8d2ecc554e
[   47.600581][ T1750] RDX: 0000000000000000 RSI: 00007fff14f98140 RDI: 0000000000000005
[   47.600582][ T1750] RBP: 00007fff14f980a0 R08: 0000000000000000 R09: 0000000000000000
[   47.600583][ T1750] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91543e
[   47.600584][ T1750] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff14f98800
| [   50.337696][ T1848] softirqs last disabled at (0): 0x0
| [   50.337698][ T1848] Preemption disabled at:
| [   50.337698][ T1848] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.337710][ T1848] Tainted: [W]=WARN
[   50.337711][ T1848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.337713][ T1848] Call Trace:
[   50.337715][ T1848]  <TASK>
[   50.337716][ T1848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.337721][ T1848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.337723][ T1848]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.337727][ T1848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.337731][ T1848]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   50.337734][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337738][ T1848]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.337741][ T1848]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.337743][ T1848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.337747][ T1848]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.337749][ T1848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.337751][ T1848]  put_chars (drivers/char/virtio_console.c:1176)
[   50.337753][ T1848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.337755][ T1848]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   50.337758][ T1848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.337761][ T1848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.337763][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337764][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.337767][ T1848]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.337769][ T1848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.337771][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337773][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337775][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337777][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.337778][ T1848]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   50.337780][ T1848]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.337783][ T1848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.337785][ T1848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.337787][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.337789][ T1848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.337790][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337792][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.337794][ T1848]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.337795][ T1848]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   50.337797][ T1848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.337799][ T1848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.337801][ T1848]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.337804][ T1848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.337806][ T1848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.337809][ T1848]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.337812][ T1848]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.337813][ T1848]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.337816][ T1848]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.337817][ T1848]  ? __sys_sendmsg (net/socket.c:2799)
[   50.337819][ T1848]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.337822][ T1848]  _printk (kernel/printk/printk.c:2504)
[   50.337826][ T1848]  ? snapshot_read.cold (user.c:?)
[   50.337828][ T1848]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.337831][ T1848]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.337833][ T1848]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.337835][ T1848]  ? netdev_notice (net/core/dev.c:13194)
[   50.337837][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337839][ T1848]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   50.337840][ T1848]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   50.337843][ T1848]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   50.337844][ T1848]  ? 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)
[   50.337847][ T1848]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   50.337850][ T1848]  dev_set_allmulti (net/core/dev_api.c:315)
[   50.337853][ T1848] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   50.337865][ T1848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.337869][ T1848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.337872][ T1848] br_del_if (net/bridge/br_if.c:732) bridge
[   50.337879][ T1848]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   50.337881][ T1848]  do_set_master (net/core/rtnetlink.c:3055)
[   50.337884][ T1848]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   50.337887][ T1848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.337889][ T1848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.337890][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337892][ T1848]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.337896][ T1848]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.337899][ T1848]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.337900][ T1848]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.337902][ T1848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.337904][ T1848]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   50.337905][ T1848]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   50.337906][ T1848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.337908][ T1848]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.337909][ T1848]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.337910][ T1848]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.337912][ T1848]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.337913][ T1848]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.337915][ T1848]  ? __sys_sendmsg (net/socket.c:2799)
[   50.337917][ T1848]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.337918][ T1848]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.337920][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337922][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.337924][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337926][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337927][ T1848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.337930][ T1848]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   50.337932][ T1848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.337933][ T1848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.337935][ T1848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.337936][ T1848]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.337939][ T1848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.337941][ T1848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.337943][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337945][ T1848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.337946][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.337948][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337950][ T1848]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   50.337951][ T1848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.337953][ T1848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.337955][ T1848]  ? __kernel_text_address (kernel/extable.c:79)
[   50.337956][ T1848]  ? write_profile (profile.c:?)
[   50.337957][ T1848]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.337960][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337962][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337963][ T1848]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.337967][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.337969][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337971][ T1848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.337972][ T1848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.337974][ T1848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.337975][ T1848]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.337977][ T1848]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.337979][ T1848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.337981][ T1848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.337982][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.337984][ T1848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.337985][ T1848]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   50.337988][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337990][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.337992][ T1848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.337994][ T1848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.337996][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337997][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.337999][ T1848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.338001][ T1848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.338003][ T1848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.338005][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.338007][ T1848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.338009][ T1848]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.338011][ T1848]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.338013][ T1848]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.338014][ T1848]  ? move_addr_to_kernel (net/socket.c:258)
[   50.338016][ T1848]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.338018][ T1848]  ___sys_sendmsg (net/socket.c:2767)
[   50.338020][ T1848]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.338027][ T1848]  __sys_sendmsg (net/socket.c:2799)
[   50.338029][ T1848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.338032][ T1848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.338034][ T1848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.338036][ T1848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.338038][ T1848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.338039][ T1848] RIP: 0033:0x7f3e66e3d54e
[   50.338041][ T1848] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.338043][ T1848] RSP: 002b:00007ffd8d2ba870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.338047][ T1848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e66e3d54e
[   50.338048][ T1848] RDX: 0000000000000000 RSI: 00007ffd8d2ba920 RDI: 0000000000000005
[   50.338049][ T1848] RBP: 00007ffd8d2ba880 R08: 0000000000000000 R09: 0000000000000000
[   50.338050][ T1848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915441
[   50.338051][ T1848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8d2bafe0
| [   53.111909][ T1961] softirqs last disabled at (0): 0x0
| [   53.111910][ T1961] Preemption disabled at:
| [   53.111911][ T1961] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.111922][ T1961] Tainted: [W]=WARN
[   53.111923][ T1961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.111925][ T1961] Call Trace:
[   53.111927][ T1961]  <TASK>
[   53.111928][ T1961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.111933][ T1961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.111935][ T1961]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.111939][ T1961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.111942][ T1961]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   53.111945][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.111950][ T1961]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.111953][ T1961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   53.111956][ T1961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.111960][ T1961]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.111962][ T1961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.111964][ T1961]  put_chars (drivers/char/virtio_console.c:1176)
[   53.111966][ T1961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.111968][ T1961]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   53.111970][ T1961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.111974][ T1961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.111975][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.111977][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.111979][ T1961]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.111982][ T1961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.111984][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.111986][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.111987][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.111989][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.111991][ T1961]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   53.111993][ T1961]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.111995][ T1961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.111998][ T1961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.112000][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.112001][ T1961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.112003][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112005][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.112006][ T1961]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.112008][ T1961]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   53.112010][ T1961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.112012][ T1961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.112014][ T1961]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.112017][ T1961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.112018][ T1961]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.112024][ T1961]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.112027][ T1961]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.112028][ T1961]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.112031][ T1961]  ? ___sys_sendmsg (net/socket.c:2767)
[   53.112033][ T1961]  ? __sys_sendmsg (net/socket.c:2799)
[   53.112034][ T1961]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.112038][ T1961]  _printk (kernel/printk/printk.c:2504)
[   53.112041][ T1961]  ? snapshot_read.cold (user.c:?)
[   53.112043][ T1961]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.112046][ T1961]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.112048][ T1961]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.112050][ T1961]  ? netdev_notice (net/core/dev.c:13194)
[   53.112052][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112054][ T1961]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   53.112056][ T1961]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   53.112058][ T1961]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   53.112060][ T1961]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.112062][ T1961]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   53.112065][ T1961]  dev_set_allmulti (net/core/dev_api.c:315)
[   53.112068][ T1961] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   53.112080][ T1961]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   53.112084][ T1961]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.112087][ T1961] br_del_if (net/bridge/br_if.c:732) bridge
[   53.112094][ T1961]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.112097][ T1961]  do_set_master (net/core/rtnetlink.c:3055)
[   53.112099][ T1961]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   53.112102][ T1961]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.112105][ T1961]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.112106][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112108][ T1961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   53.112112][ T1961]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.112114][ T1961]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.112116][ T1961]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.112118][ T1961]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   53.112119][ T1961]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   53.112121][ T1961]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   53.112122][ T1961]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.112123][ T1961]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.112125][ T1961]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.112126][ T1961]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.112127][ T1961]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.112129][ T1961]  ? ___sys_sendmsg (net/socket.c:2767)
[   53.112130][ T1961]  ? __sys_sendmsg (net/socket.c:2799)
[   53.112132][ T1961]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.112133][ T1961]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.112136][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112137][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.112139][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112141][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112142][ T1961]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.112145][ T1961]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   53.112147][ T1961]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.112149][ T1961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.112150][ T1961]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.112152][ T1961]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.112154][ T1961]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.112156][ T1961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.112159][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112161][ T1961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.112162][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.112163][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112166][ T1961]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   53.112167][ T1961]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   53.112169][ T1961]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   53.112171][ T1961]  ? __kernel_text_address (kernel/extable.c:79)
[   53.112172][ T1961]  ? write_profile (profile.c:?)
[   53.112173][ T1961]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.112176][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112178][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112179][ T1961]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   53.112183][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.112185][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112187][ T1961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.112188][ T1961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.112190][ T1961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.112191][ T1961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   53.112193][ T1961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   53.112195][ T1961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.112197][ T1961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.112198][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.112200][ T1961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.112202][ T1961]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   53.112204][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112206][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.112208][ T1961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.112210][ T1961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.112212][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112214][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112215][ T1961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.112217][ T1961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.112219][ T1961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.112221][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112223][ T1961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.112225][ T1961]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.112227][ T1961]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.112229][ T1961]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.112230][ T1961]  ? move_addr_to_kernel (net/socket.c:258)
[   53.112232][ T1961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   53.112234][ T1961]  ___sys_sendmsg (net/socket.c:2767)
[   53.112236][ T1961]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.112241][ T1961]  __sys_sendmsg (net/socket.c:2799)
[   53.112243][ T1961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.112246][ T1961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.112248][ T1961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.112250][ T1961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.112252][ T1961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.112254][ T1961] RIP: 0033:0x7f1a0a29754e
[   53.112256][ T1961] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.112258][ T1961] RSP: 002b:00007ffe9d342230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.112261][ T1961] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1a0a29754e
[   53.112263][ T1961] RDX: 0000000000000000 RSI: 00007ffe9d3422e0 RDI: 0000000000000005
[   53.112264][ T1961] RBP: 00007ffe9d342240 R08: 0000000000000000 R09: 0000000000000000
[   53.112265][ T1961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915444
[   53.112266][ T1961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d3429a0
| [   56.980626][ T2084] softirqs last disabled at (0): 0x0
| [   56.980628][ T2084] Preemption disabled at:
| [   56.980628][ T2084] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.980639][ T2084] Tainted: [W]=WARN
[   56.980641][ T2084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.980642][ T2084] Call Trace:
[   56.980644][ T2084]  <TASK>
[   56.980645][ T2084]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.980651][ T2084]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.980652][ T2084]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.980656][ T2084]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.980659][ T2084]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   56.980662][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980666][ T2084]  __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))
[   56.980670][ T2084]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.980672][ T2084]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.980676][ T2084]  ? 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)
[   56.980678][ T2084]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.980680][ T2084]  put_chars (drivers/char/virtio_console.c:1176)
[   56.980682][ T2084]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.980684][ T2084]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   56.980687][ T2084]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.980690][ T2084]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.980691][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980693][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980695][ T2084]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.980698][ T2084]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.980700][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980702][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980703][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980705][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980707][ T2084]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   56.980709][ T2084]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.980711][ T2084]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.980714][ T2084]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.980716][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980717][ T2084]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.980719][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980720][ T2084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.980722][ T2084]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.980723][ T2084]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   56.980725][ T2084]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.980727][ T2084]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.980729][ T2084]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.980732][ T2084]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.980733][ T2084]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.980737][ T2084]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.980739][ T2084]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.980741][ T2084]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.980743][ T2084]  ? ___sys_sendmsg (net/socket.c:2767)
[   56.980745][ T2084]  ? __sys_sendmsg (net/socket.c:2799)
[   56.980747][ T2084]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.980750][ T2084]  _printk (kernel/printk/printk.c:2504)
[   56.980753][ T2084]  ? snapshot_read.cold (user.c:?)
[   56.980755][ T2084]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.980758][ T2084]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.980760][ T2084]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.980762][ T2084]  ? netdev_notice (net/core/dev.c:13194)
[   56.980764][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980766][ T2084]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   56.980767][ T2084]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   56.980770][ T2084]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   56.980771][ T2084]  ? 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)
[   56.980774][ T2084]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   56.980777][ T2084]  dev_set_allmulti (net/core/dev_api.c:315)
[   56.980780][ T2084] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   56.980792][ T2084]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   56.980795][ T2084]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   56.980798][ T2084] br_del_if (net/bridge/br_if.c:732) bridge
[   56.980805][ T2084]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.980807][ T2084]  do_set_master (net/core/rtnetlink.c:3055)
[   56.980810][ T2084]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   56.980813][ T2084]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.980815][ T2084]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.980817][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980818][ T2084]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   56.980822][ T2084]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.980825][ T2084]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.980826][ T2084]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.980828][ T2084]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.980829][ T2084]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   56.980831][ T2084]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   56.980832][ T2084]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.980833][ T2084]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.980835][ T2084]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.980836][ T2084]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.980837][ T2084]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.980839][ T2084]  ? ___sys_sendmsg (net/socket.c:2767)
[   56.980840][ T2084]  ? __sys_sendmsg (net/socket.c:2799)
[   56.980842][ T2084]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.980843][ T2084]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.980845][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980847][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980848][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980850][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980852][ T2084]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.980854][ T2084]  ? __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)
[   56.980856][ T2084]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.980858][ T2084]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.980859][ T2084]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.980861][ T2084]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.980863][ T2084]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.980865][ T2084]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.980867][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980869][ T2084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.980870][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980872][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980874][ T2084]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   56.980875][ T2084]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   56.980877][ T2084]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   56.980879][ T2084]  ? __kernel_text_address (kernel/extable.c:79)
[   56.980880][ T2084]  ? write_profile (profile.c:?)
[   56.980881][ T2084]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.980884][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980886][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980887][ T2084]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   56.980891][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980892][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980894][ T2084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.980895][ T2084]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.980897][ T2084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.980898][ T2084]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   56.980900][ T2084]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   56.980902][ T2084]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.980904][ T2084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.980905][ T2084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.980906][ T2084]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.980908][ T2084]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   56.980910][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980912][ T2084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.980914][ T2084]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.980916][ T2084]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.980918][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980919][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980921][ T2084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.980923][ T2084]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.980925][ T2084]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.980927][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980928][ T2084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.980930][ T2084]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.980932][ T2084]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.980933][ T2084]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.980935][ T2084]  ? move_addr_to_kernel (net/socket.c:258)
[   56.980936][ T2084]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   56.980939][ T2084]  ___sys_sendmsg (net/socket.c:2767)
[   56.980941][ T2084]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.980946][ T2084]  __sys_sendmsg (net/socket.c:2799)
[   56.980947][ T2084]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.980950][ T2084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.980952][ T2084]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.980954][ T2084]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.980956][ T2084]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.980957][ T2084] RIP: 0033:0x7f7de527d54e
[   56.980959][ T2084] 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
[   56.980961][ T2084] RSP: 002b:00007ffe7efc4370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.980965][ T2084] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7de527d54e
[   56.980966][ T2084] RDX: 0000000000000000 RSI: 00007ffe7efc4420 RDI: 0000000000000005
[   56.980967][ T2084] RBP: 00007ffe7efc4380 R08: 0000000000000000 R09: 0000000000000000
[   56.980968][ T2084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915448
[   56.980969][ T2084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7efc4ae0
| [   59.851376][ T2207] softirqs last disabled at (0): 0x0
| [   59.851378][ T2207] Preemption disabled at:
| [   59.851379][ T2207] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.851390][ T2207] Tainted: [W]=WARN
[   59.851391][ T2207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.851393][ T2207] Call Trace:
[   59.851394][ T2207]  <TASK>
[   59.851396][ T2207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.851409][ T2207]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.851411][ T2207]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.851415][ T2207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.851418][ T2207]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   59.851421][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851425][ T2207]  __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))
[   59.851428][ T2207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.851430][ T2207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.851435][ T2207]  ? 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)
[   59.851436][ T2207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.851438][ T2207]  put_chars (drivers/char/virtio_console.c:1176)
[   59.851441][ T2207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.851442][ T2207]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.851445][ T2207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.851448][ T2207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.851450][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851452][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851454][ T2207]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.851457][ T2207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.851459][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851461][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851463][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851465][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851467][ T2207]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.851469][ T2207]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.851471][ T2207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.851474][ T2207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.851476][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851477][ T2207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.851479][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851481][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.851482][ T2207]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.851484][ T2207]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   59.851486][ T2207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.851488][ T2207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.851490][ T2207]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.851493][ T2207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.851495][ T2207]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.851498][ T2207]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.851501][ T2207]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.851502][ T2207]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.851505][ T2207]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.851506][ T2207]  ? __sys_sendmsg (net/socket.c:2799)
[   59.851508][ T2207]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.851511][ T2207]  _printk (kernel/printk/printk.c:2504)
[   59.851515][ T2207]  ? snapshot_read.cold (user.c:?)
[   59.851517][ T2207]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.851520][ T2207]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.851522][ T2207]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.851524][ T2207]  ? netdev_notice (net/core/dev.c:13194)
[   59.851526][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851528][ T2207]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   59.851529][ T2207]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   59.851532][ T2207]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   59.851534][ T2207]  ? 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)
[   59.851537][ T2207]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   59.851540][ T2207]  dev_set_allmulti (net/core/dev_api.c:315)
[   59.851543][ T2207] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   59.851555][ T2207]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.851559][ T2207]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.851562][ T2207] br_del_if (net/bridge/br_if.c:732) bridge
[   59.851569][ T2207]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.851572][ T2207]  do_set_master (net/core/rtnetlink.c:3055)
[   59.851575][ T2207]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   59.851578][ T2207]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.851581][ T2207]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.851582][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851584][ T2207]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.851588][ T2207]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.851590][ T2207]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.851592][ T2207]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.851593][ T2207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.851595][ T2207]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   59.851597][ T2207]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   59.851598][ T2207]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.851599][ T2207]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.851601][ T2207]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.851602][ T2207]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.851604][ T2207]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.851605][ T2207]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.851607][ T2207]  ? __sys_sendmsg (net/socket.c:2799)
[   59.851608][ T2207]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.851609][ T2207]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.851612][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851615][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851617][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851619][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851622][ T2207]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.851625][ T2207]  ? __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)
[   59.851628][ T2207]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.851630][ T2207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.851632][ T2207]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.851634][ T2207]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.851636][ T2207]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.851639][ T2207]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.851641][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851643][ T2207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.851644][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851646][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851648][ T2207]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   59.851650][ T2207]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.851652][ T2207]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.851653][ T2207]  ? __kernel_text_address (kernel/extable.c:79)
[   59.851655][ T2207]  ? write_profile (profile.c:?)
[   59.851656][ T2207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.851659][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851660][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851662][ T2207]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   59.851666][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851667][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851669][ T2207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.851671][ T2207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.851673][ T2207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.851674][ T2207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.851676][ T2207]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.851678][ T2207]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.851680][ T2207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.851681][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.851683][ T2207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.851684][ T2207]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   59.851687][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851689][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.851691][ T2207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.851693][ T2207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.851695][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851697][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851698][ T2207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.851700][ T2207]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.851702][ T2207]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.851704][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851706][ T2207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.851708][ T2207]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.851710][ T2207]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.851712][ T2207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.851713][ T2207]  ? move_addr_to_kernel (net/socket.c:258)
[   59.851715][ T2207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.851718][ T2207]  ___sys_sendmsg (net/socket.c:2767)
[   59.851720][ T2207]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.851725][ T2207]  __sys_sendmsg (net/socket.c:2799)
[   59.851727][ T2207]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.851730][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.851732][ T2207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.851733][ T2207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.851736][ T2207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.851738][ T2207] RIP: 0033:0x7f48d425354e
[   59.851740][ T2207] 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
[   59.851741][ T2207] RSP: 002b:00007ffcda00f4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.851745][ T2207] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48d425354e
[   59.851747][ T2207] RDX: 0000000000000000 RSI: 00007ffcda00f580 RDI: 0000000000000005
[   59.851748][ T2207] RBP: 00007ffcda00f4e0 R08: 0000000000000000 R09: 0000000000000000
[   59.851748][ T2207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91544b
[   59.851749][ T2207] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcda00fc40
| [   62.430834][ T2273] softirqs last disabled at (0): 0x0
| [   62.430836][ T2273] Preemption disabled at:
| [   62.430837][ T2273] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.430847][ T2273] Tainted: [W]=WARN
[   62.430848][ T2273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.430850][ T2273] Call Trace:
[   62.430852][ T2273]  <TASK>
[   62.430853][ T2273]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.430858][ T2273]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.430860][ T2273]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.430864][ T2273]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.430867][ T2273]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   62.430870][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430874][ T2273]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   62.430877][ T2273]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.430880][ T2273]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.430884][ T2273]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.430886][ T2273]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.430888][ T2273]  put_chars (drivers/char/virtio_console.c:1176)
[   62.430890][ T2273]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.430892][ T2273]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   62.430894][ T2273]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.430898][ T2273]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.430899][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430901][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.430903][ T2273]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.430906][ T2273]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.430908][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430910][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430911][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430913][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.430915][ T2273]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   62.430917][ T2273]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.430919][ T2273]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.430922][ T2273]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.430923][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.430925][ T2273]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.430927][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430928][ T2273]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.430930][ T2273]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.430931][ T2273]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   62.430933][ T2273]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.430935][ T2273]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.430937][ T2273]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.430940][ T2273]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.430942][ T2273]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.430945][ T2273]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.430948][ T2273]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.430949][ T2273]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.430952][ T2273]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.430953][ T2273]  ? __sys_sendmsg (net/socket.c:2799)
[   62.430955][ T2273]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.430958][ T2273]  _printk (kernel/printk/printk.c:2504)
[   62.430962][ T2273]  ? snapshot_read.cold (user.c:?)
[   62.430964][ T2273]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.430967][ T2273]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.430969][ T2273]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.430971][ T2273]  ? netdev_notice (net/core/dev.c:13194)
[   62.430973][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.430974][ T2273]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   62.430976][ T2273]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   62.430979][ T2273]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   62.430980][ T2273]  ? 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)
[   62.430983][ T2273]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   62.430986][ T2273]  dev_set_allmulti (net/core/dev_api.c:315)
[   62.430989][ T2273] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   62.431002][ T2273]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.431005][ T2273]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.431008][ T2273] br_del_if (net/bridge/br_if.c:732) bridge
[   62.431015][ T2273]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.431018][ T2273]  do_set_master (net/core/rtnetlink.c:3055)
[   62.431020][ T2273]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.431025][ T2273]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.431028][ T2273]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.431029][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431031][ T2273]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.431035][ T2273]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.431038][ T2273]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.431039][ T2273]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.431041][ T2273]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.431043][ T2273]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   62.431044][ T2273]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   62.431045][ T2273]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.431047][ T2273]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.431048][ T2273]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.431049][ T2273]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.431051][ T2273]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.431052][ T2273]  ? ___sys_sendmsg (net/socket.c:2767)
[   62.431053][ T2273]  ? __sys_sendmsg (net/socket.c:2799)
[   62.431055][ T2273]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.431056][ T2273]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.431059][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431060][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.431062][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431064][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431065][ T2273]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.431067][ T2273]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   62.431070][ T2273]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.431071][ T2273]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.431073][ T2273]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.431074][ T2273]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.431076][ T2273]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.431078][ T2273]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.431080][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431082][ T2273]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.431084][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.431085][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431087][ T2273]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   62.431089][ T2273]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.431091][ T2273]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.431092][ T2273]  ? __kernel_text_address (kernel/extable.c:79)
[   62.431093][ T2273]  ? write_profile (profile.c:?)
[   62.431094][ T2273]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.431097][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431099][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431101][ T2273]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   62.431104][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.431105][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431107][ T2273]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.431109][ T2273]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.431110][ T2273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.431112][ T2273]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.431113][ T2273]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   62.431116][ T2273]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.431117][ T2273]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.431118][ T2273]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.431120][ T2273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.431121][ T2273]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   62.431124][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431126][ T2273]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.431128][ T2273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.431129][ T2273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.431131][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431133][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431135][ T2273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.431136][ T2273]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.431138][ T2273]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.431140][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431142][ T2273]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.431144][ T2273]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.431146][ T2273]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.431147][ T2273]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.431149][ T2273]  ? move_addr_to_kernel (net/socket.c:258)
[   62.431150][ T2273]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   62.431153][ T2273]  ___sys_sendmsg (net/socket.c:2767)
[   62.431155][ T2273]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.431159][ T2273]  __sys_sendmsg (net/socket.c:2799)
[   62.431161][ T2273]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.431164][ T2273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.431166][ T2273]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.431167][ T2273]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.431170][ T2273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.431171][ T2273] RIP: 0033:0x7f301760c54e
[   62.431173][ T2273] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.431175][ T2273] RSP: 002b:00007ffe808818f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.431179][ T2273] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f301760c54e
[   62.431181][ T2273] RDX: 0000000000000000 RSI: 00007ffe808819a0 RDI: 0000000000000005
[   62.431181][ T2273] RBP: 00007ffe80881900 R08: 0000000000000000 R09: 0000000000000000
[   62.431182][ T2273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91544d
[   62.431183][ T2273] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe80882060
| [   65.134831][ T2378] softirqs last disabled at (0): 0x0
| [   65.134832][ T2378] Preemption disabled at:
| [   65.134833][ T2378] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.134844][ T2378] Tainted: [W]=WARN
[   65.134845][ T2378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.134847][ T2378] Call Trace:
[   65.134849][ T2378]  <TASK>
[   65.134850][ T2378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.134856][ T2378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.134858][ T2378]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.134862][ T2378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.134865][ T2378]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   65.134868][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134872][ T2378]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.134875][ T2378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.134877][ T2378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.134881][ T2378]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.134883][ T2378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.134885][ T2378]  put_chars (drivers/char/virtio_console.c:1176)
[   65.134887][ T2378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.134889][ T2378]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   65.134892][ T2378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.134895][ T2378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.134897][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134899][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.134901][ T2378]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.134904][ T2378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.134906][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134908][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134909][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134911][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.134913][ T2378]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   65.134915][ T2378]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.134917][ T2378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.134920][ T2378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.134922][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.134924][ T2378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.134925][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134927][ T2378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.134929][ T2378]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.134930][ T2378]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   65.134933][ T2378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.134935][ T2378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.134937][ T2378]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.134939][ T2378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.134941][ T2378]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.134945][ T2378]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.134947][ T2378]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.134949][ T2378]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.134952][ T2378]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.134953][ T2378]  ? __sys_sendmsg (net/socket.c:2799)
[   65.134955][ T2378]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.134958][ T2378]  _printk (kernel/printk/printk.c:2504)
[   65.134961][ T2378]  ? snapshot_read.cold (user.c:?)
[   65.134964][ T2378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.134967][ T2378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.134969][ T2378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.134971][ T2378]  ? netdev_notice (net/core/dev.c:13194)
[   65.134973][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.134975][ T2378]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.134976][ T2378]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   65.134979][ T2378]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.134980][ T2378]  ? 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)
[   65.134983][ T2378]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.134986][ T2378]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.134989][ T2378] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   65.135003][ T2378]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.135006][ T2378]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.135009][ T2378] br_del_if (net/bridge/br_if.c:732) bridge
[   65.135016][ T2378]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   65.135019][ T2378]  do_set_master (net/core/rtnetlink.c:3055)
[   65.135024][ T2378]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.135027][ T2378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.135030][ T2378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.135031][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135033][ T2378]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.135037][ T2378]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.135040][ T2378]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.135041][ T2378]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.135043][ T2378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.135044][ T2378]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   65.135046][ T2378]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   65.135047][ T2378]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.135048][ T2378]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.135050][ T2378]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.135051][ T2378]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.135053][ T2378]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.135054][ T2378]  ? ___sys_sendmsg (net/socket.c:2767)
[   65.135055][ T2378]  ? __sys_sendmsg (net/socket.c:2799)
[   65.135057][ T2378]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.135058][ T2378]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.135061][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135063][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.135064][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135066][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135068][ T2378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.135070][ T2378]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   65.135073][ T2378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.135074][ T2378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.135076][ T2378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.135077][ T2378]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.135080][ T2378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.135082][ T2378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.135084][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135086][ T2378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.135087][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.135089][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135091][ T2378]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   65.135093][ T2378]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.135094][ T2378]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.135096][ T2378]  ? __kernel_text_address (kernel/extable.c:79)
[   65.135097][ T2378]  ? write_profile (profile.c:?)
[   65.135099][ T2378]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.135101][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135103][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135105][ T2378]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.135109][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.135111][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135113][ T2378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.135114][ T2378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.135116][ T2378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.135117][ T2378]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.135119][ T2378]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   65.135122][ T2378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.135123][ T2378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.135125][ T2378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.135126][ T2378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.135128][ T2378]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   65.135130][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135132][ T2378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.135134][ T2378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.135136][ T2378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.135138][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135140][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135142][ T2378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.135144][ T2378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.135146][ T2378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.135148][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135150][ T2378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   65.135151][ T2378]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.135153][ T2378]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.135155][ T2378]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.135157][ T2378]  ? move_addr_to_kernel (net/socket.c:258)
[   65.135158][ T2378]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   65.135161][ T2378]  ___sys_sendmsg (net/socket.c:2767)
[   65.135163][ T2378]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.135168][ T2378]  __sys_sendmsg (net/socket.c:2799)
[   65.135170][ T2378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.135173][ T2378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.135175][ T2378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.135176][ T2378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.135179][ T2378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.135180][ T2378] RIP: 0033:0x7f0d5e81d54e
[   65.135182][ T2378] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.135184][ T2378] RSP: 002b:00007ffce1d1ba40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.135188][ T2378] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d5e81d54e
[   65.135189][ T2378] RDX: 0000000000000000 RSI: 00007ffce1d1baf0 RDI: 0000000000000005
[   65.135190][ T2378] RBP: 00007ffce1d1ba50 R08: 0000000000000000 R09: 0000000000000000
[   65.135191][ T2378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915450
[   65.135192][ T2378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce1d1c1b0
| [   68.050723][ T2506] softirqs last disabled at (0): 0x0
| [   68.050725][ T2506] Preemption disabled at:
| [   68.050726][ T2506] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.050737][ T2506] Tainted: [W]=WARN
[   68.050738][ T2506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.050740][ T2506] Call Trace:
[   68.050741][ T2506]  <TASK>
[   68.050743][ T2506]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.050748][ T2506]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.050750][ T2506]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.050754][ T2506]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.050757][ T2506]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   68.050760][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050764][ T2506]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   68.050768][ T2506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.050770][ T2506]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.050774][ T2506]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.050776][ T2506]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.050778][ T2506]  put_chars (drivers/char/virtio_console.c:1176)
[   68.050780][ T2506]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.050782][ T2506]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   68.050785][ T2506]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.050788][ T2506]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.050789][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050791][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.050793][ T2506]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.050796][ T2506]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.050798][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050800][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050802][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050803][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.050805][ T2506]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   68.050807][ T2506]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.050810][ T2506]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.050812][ T2506]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.050814][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.050816][ T2506]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.050817][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050819][ T2506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.050821][ T2506]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.050822][ T2506]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   68.050824][ T2506]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.050826][ T2506]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.050829][ T2506]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.050831][ T2506]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.050833][ T2506]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.050836][ T2506]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.050839][ T2506]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.050840][ T2506]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.050843][ T2506]  ? ___sys_sendmsg (net/socket.c:2767)
[   68.050845][ T2506]  ? __sys_sendmsg (net/socket.c:2799)
[   68.050846][ T2506]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.050850][ T2506]  _printk (kernel/printk/printk.c:2504)
[   68.050853][ T2506]  ? snapshot_read.cold (user.c:?)
[   68.050856][ T2506]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.050859][ T2506]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.050860][ T2506]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.050862][ T2506]  ? netdev_notice (net/core/dev.c:13194)
[   68.050864][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050866][ T2506]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   68.050868][ T2506]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   68.050870][ T2506]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   68.050872][ T2506]  ? 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)
[   68.050874][ T2506]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   68.050877][ T2506]  dev_set_allmulti (net/core/dev_api.c:315)
[   68.050880][ T2506] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   68.050893][ T2506]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.050896][ T2506]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   68.050899][ T2506] br_del_if (net/bridge/br_if.c:732) bridge
[   68.050907][ T2506]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.050909][ T2506]  do_set_master (net/core/rtnetlink.c:3055)
[   68.050912][ T2506]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.050914][ T2506]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.050917][ T2506]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.050918][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050920][ T2506]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   68.050924][ T2506]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.050927][ T2506]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.050928][ T2506]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.050930][ T2506]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.050932][ T2506]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   68.050933][ T2506]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   68.050934][ T2506]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.050936][ T2506]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.050937][ T2506]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.050939][ T2506]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.050940][ T2506]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.050941][ T2506]  ? ___sys_sendmsg (net/socket.c:2767)
[   68.050943][ T2506]  ? __sys_sendmsg (net/socket.c:2799)
[   68.050944][ T2506]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.050946][ T2506]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.050948][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050950][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.050952][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050953][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050955][ T2506]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.050957][ T2506]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   68.050960][ T2506]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.050961][ T2506]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.050963][ T2506]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.050964][ T2506]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.050967][ T2506]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.050969][ T2506]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.050971][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050973][ T2506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.050974][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.050976][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050978][ T2506]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   68.050979][ T2506]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.050981][ T2506]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   68.050983][ T2506]  ? __kernel_text_address (kernel/extable.c:79)
[   68.050984][ T2506]  ? write_profile (profile.c:?)
[   68.050985][ T2506]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   68.050988][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050990][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050992][ T2506]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   68.050995][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.050997][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.050999][ T2506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.051000][ T2506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.051002][ T2506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.051003][ T2506]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   68.051005][ T2506]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   68.051008][ T2506]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.051009][ T2506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.051011][ T2506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.051012][ T2506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.051014][ T2506]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   68.051016][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.051018][ T2506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.051020][ T2506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.051024][ T2506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.051026][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.051028][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.051030][ T2506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.051032][ T2506]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.051034][ T2506]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.051036][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.051037][ T2506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.051039][ T2506]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.051041][ T2506]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.051043][ T2506]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.051044][ T2506]  ? move_addr_to_kernel (net/socket.c:258)
[   68.051046][ T2506]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   68.051049][ T2506]  ___sys_sendmsg (net/socket.c:2767)
[   68.051050][ T2506]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.051056][ T2506]  __sys_sendmsg (net/socket.c:2799)
[   68.051058][ T2506]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.051061][ T2506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.051063][ T2506]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.051065][ T2506]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.051067][ T2506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.051068][ T2506] RIP: 0033:0x7fa578ce754e
[   68.051070][ T2506] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.051072][ T2506] RSP: 002b:00007ffe1a793620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.051076][ T2506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa578ce754e
[   68.051078][ T2506] RDX: 0000000000000000 RSI: 00007ffe1a7936d0 RDI: 0000000000000005
[   68.051079][ T2506] RBP: 00007ffe1a793630 R08: 0000000000000000 R09: 0000000000000000
[   68.051080][ T2506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915453
[   68.051081][ T2506] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1a793d90
| [   72.615181][ T2564] softirqs last disabled at (0): 0x0
| [   72.615183][ T2564] Preemption disabled at:
| [   72.615183][ T2564] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.615194][ T2564] Tainted: [W]=WARN
[   72.615195][ T2564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.615197][ T2564] Call Trace:
[   72.615199][ T2564]  <TASK>
[   72.615200][ T2564]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.615205][ T2564]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.615207][ T2564]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.615211][ T2564]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.615214][ T2564]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   72.615217][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615221][ T2564]  __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))
[   72.615224][ T2564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.615227][ T2564]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.615230][ T2564]  ? 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)
[   72.615232][ T2564]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.615234][ T2564]  put_chars (drivers/char/virtio_console.c:1176)
[   72.615236][ T2564]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.615238][ T2564]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.615240][ T2564]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.615243][ T2564]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.615245][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615247][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615249][ T2564]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.615251][ T2564]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.615253][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615255][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615257][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615258][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615260][ T2564]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.615262][ T2564]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.615264][ T2564]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.615267][ T2564]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.615269][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615270][ T2564]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.615272][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615273][ T2564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.615275][ T2564]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.615276][ T2564]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.615278][ T2564]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.615280][ T2564]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.615282][ T2564]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.615285][ T2564]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.615287][ T2564]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.615289][ T2564]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.615292][ T2564]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.615294][ T2564]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.615296][ T2564]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.615298][ T2564]  ? __sys_sendmsg (net/socket.c:2799)
[   72.615300][ T2564]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.615303][ T2564]  _printk (kernel/printk/printk.c:2504)
[   72.615306][ T2564]  ? snapshot_read.cold (user.c:?)
[   72.615308][ T2564]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.615311][ T2564]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.615313][ T2564]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.615315][ T2564]  ? netdev_notice (net/core/dev.c:13194)
[   72.615317][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615319][ T2564]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   72.615320][ T2564]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   72.615323][ T2564]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   72.615324][ T2564]  ? 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)
[   72.615327][ T2564]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   72.615330][ T2564]  dev_set_allmulti (net/core/dev_api.c:315)
[   72.615333][ T2564] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   72.615345][ T2564]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.615348][ T2564]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.615351][ T2564] br_del_if (net/bridge/br_if.c:732) bridge
[   72.615358][ T2564]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   72.615361][ T2564]  do_set_master (net/core/rtnetlink.c:3055)
[   72.615363][ T2564]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   72.615366][ T2564]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.615369][ T2564]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.615370][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615372][ T2564]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.615376][ T2564]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.615378][ T2564]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.615380][ T2564]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.615381][ T2564]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.615383][ T2564]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   72.615384][ T2564]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   72.615386][ T2564]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.615387][ T2564]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.615388][ T2564]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.615389][ T2564]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.615391][ T2564]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.615392][ T2564]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.615393][ T2564]  ? __sys_sendmsg (net/socket.c:2799)
[   72.615395][ T2564]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.615396][ T2564]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.615398][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615400][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615402][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615403][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615405][ T2564]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.615407][ T2564]  ? __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)
[   72.615409][ T2564]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.615411][ T2564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.615412][ T2564]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.615414][ T2564]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.615416][ T2564]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.615418][ T2564]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.615420][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615422][ T2564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.615423][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615425][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615427][ T2564]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.615428][ T2564]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.615430][ T2564]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.615432][ T2564]  ? __kernel_text_address (kernel/extable.c:79)
[   72.615433][ T2564]  ? write_profile (profile.c:?)
[   72.615434][ T2564]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.615437][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615438][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615440][ T2564]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.615443][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615445][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615447][ T2564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.615448][ T2564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.615450][ T2564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.615451][ T2564]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.615453][ T2564]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.615455][ T2564]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.615457][ T2564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.615458][ T2564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.615460][ T2564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.615461][ T2564]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.615464][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615465][ T2564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.615468][ T2564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.615469][ T2564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.615471][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615473][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615475][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.615476][ T2564]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.615478][ T2564]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.615480][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615482][ T2564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.615484][ T2564]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.615486][ T2564]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.615488][ T2564]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.615489][ T2564]  ? move_addr_to_kernel (net/socket.c:258)
[   72.615491][ T2564]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.615493][ T2564]  ___sys_sendmsg (net/socket.c:2767)
[   72.615495][ T2564]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.615508][ T2564]  __sys_sendmsg (net/socket.c:2799)
[   72.615510][ T2564]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.615512][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.615515][ T2564]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.615516][ T2564]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.615518][ T2564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.615520][ T2564] RIP: 0033:0x7f17ed8ea54e
[   72.615522][ T2564] 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
[   72.615523][ T2564] RSP: 002b:00007ffe0f880710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.615527][ T2564] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17ed8ea54e
[   72.615528][ T2564] RDX: 0000000000000000 RSI: 00007ffe0f8807c0 RDI: 0000000000000005
[   72.615529][ T2564] RBP: 00007ffe0f880720 R08: 0000000000000000 R09: 0000000000000000
[   72.615530][ T2564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915457
[   72.615531][ T2564] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0f880e80
| [   75.215719][ T2660] softirqs last disabled at (0): 0x0
| [   75.215722][ T2660] Preemption disabled at:
| [   75.215723][ T2660] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.215738][ T2660] Tainted: [W]=WARN
[   75.215739][ T2660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.215742][ T2660] Call Trace:
[   75.215744][ T2660]  <TASK>
[   75.215746][ T2660]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.215752][ T2660]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.215756][ T2660]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.215761][ T2660]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.215765][ T2660]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   75.215769][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215774][ T2660]  __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))
[   75.215778][ T2660]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   75.215781][ T2660]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.215787][ T2660]  ? 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)
[   75.215789][ T2660]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.215792][ T2660]  put_chars (drivers/char/virtio_console.c:1176)
[   75.215796][ T2660]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.215798][ T2660]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   75.215802][ T2660]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.215808][ T2660]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.215810][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215813][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.215816][ T2660]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.215820][ T2660]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.215823][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215825][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215828][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215830][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.215834][ T2660]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   75.215836][ T2660]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.215840][ T2660]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.215844][ T2660]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.215847][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.215850][ T2660]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.215852][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215855][ T2660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.215857][ T2660]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   75.215859][ T2660]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   75.215863][ T2660]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.215866][ T2660]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.215869][ T2660]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.215872][ T2660]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.215875][ T2660]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.215879][ T2660]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.215883][ T2660]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.215885][ T2660]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.215888][ T2660]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.215890][ T2660]  ? __sys_sendmsg (net/socket.c:2799)
[   75.215893][ T2660]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.215897][ T2660]  _printk (kernel/printk/printk.c:2504)
[   75.215902][ T2660]  ? snapshot_read.cold (user.c:?)
[   75.215905][ T2660]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.215909][ T2660]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.215913][ T2660]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.215916][ T2660]  ? netdev_notice (net/core/dev.c:13194)
[   75.215919][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.215922][ T2660]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   75.215924][ T2660]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   75.215928][ T2660]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   75.215930][ T2660]  ? 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)
[   75.215934][ T2660]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   75.215938][ T2660]  dev_set_allmulti (net/core/dev_api.c:315)
[   75.215942][ T2660] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   75.215960][ T2660]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.215964][ T2660]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.215968][ T2660] br_del_if (net/bridge/br_if.c:732) bridge
[   75.215980][ T2660]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   75.215984][ T2660]  do_set_master (net/core/rtnetlink.c:3055)
[   75.215987][ T2660]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   75.215992][ T2660]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.215996][ T2660]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.215998][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216000][ T2660]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.216006][ T2660]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.216010][ T2660]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.216012][ T2660]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.216014][ T2660]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.216017][ T2660]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   75.216019][ T2660]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   75.216021][ T2660]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.216025][ T2660]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.216027][ T2660]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.216029][ T2660]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.216031][ T2660]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.216034][ T2660]  ? ___sys_sendmsg (net/socket.c:2767)
[   75.216036][ T2660]  ? __sys_sendmsg (net/socket.c:2799)
[   75.216038][ T2660]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.216040][ T2660]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.216045][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216048][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.216050][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216052][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216055][ T2660]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.216058][ T2660]  ? __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)
[   75.216061][ T2660]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.216063][ T2660]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.216067][ T2660]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.216069][ T2660]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.216073][ T2660]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.216076][ T2660]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.216080][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216083][ T2660]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.216085][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.216087][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216090][ T2660]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   75.216093][ T2660]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   75.216096][ T2660]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   75.216098][ T2660]  ? __kernel_text_address (kernel/extable.c:79)
[   75.216100][ T2660]  ? write_profile (profile.c:?)
[   75.216102][ T2660]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   75.216106][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216108][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216111][ T2660]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   75.216115][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.216118][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216120][ T2660]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.216123][ T2660]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.216125][ T2660]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.216128][ T2660]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.216130][ T2660]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   75.216135][ T2660]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.216137][ T2660]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.216139][ T2660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.216142][ T2660]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.216144][ T2660]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   75.216148][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216151][ T2660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.216154][ T2660]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.216158][ T2660]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.216160][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216163][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216165][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.216169][ T2660]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.216172][ T2660]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.216176][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216178][ T2660]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   75.216181][ T2660]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   75.216184][ T2660]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.216187][ T2660]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   75.216189][ T2660]  ? move_addr_to_kernel (net/socket.c:258)
[   75.216192][ T2660]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   75.216196][ T2660]  ___sys_sendmsg (net/socket.c:2767)
[   75.216199][ T2660]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.216208][ T2660]  __sys_sendmsg (net/socket.c:2799)
[   75.216211][ T2660]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.216215][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.216219][ T2660]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.216221][ T2660]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.216224][ T2660]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.216227][ T2660] RIP: 0033:0x7f9cf1ea054e
[   75.216229][ T2660] 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
[   75.216232][ T2660] RSP: 002b:00007ffe0ffbe160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.216238][ T2660] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9cf1ea054e
[   75.216240][ T2660] RDX: 0000000000000000 RSI: 00007ffe0ffbe210 RDI: 0000000000000005
[   75.216242][ T2660] RBP: 00007ffe0ffbe170 R08: 0000000000000000 R09: 0000000000000000
[   75.216244][ T2660] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91545a
[   75.216245][ T2660] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ffbe8d0
| [   77.986810][ T2771] softirqs last disabled at (0): 0x0
| [   77.986812][ T2771] Preemption disabled at:
| [   77.986813][ T2771] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.986825][ T2771] Tainted: [W]=WARN
[   77.986825][ T2771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.986827][ T2771] Call Trace:
[   77.986829][ T2771]  <TASK>
[   77.986830][ T2771]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.986836][ T2771]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.986838][ T2771]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.986841][ T2771]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.986845][ T2771]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   77.986848][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986852][ T2771]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   77.986855][ T2771]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.986857][ T2771]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.986862][ T2771]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.986863][ T2771]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.986865][ T2771]  put_chars (drivers/char/virtio_console.c:1176)
[   77.986867][ T2771]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.986869][ T2771]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   77.986872][ T2771]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.986875][ T2771]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.986876][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986878][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.986880][ T2771]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.986883][ T2771]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.986885][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986887][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986889][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986890][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.986892][ T2771]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   77.986894][ T2771]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.986896][ T2771]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.986899][ T2771]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.986901][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.986902][ T2771]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.986904][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986906][ T2771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.986907][ T2771]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   77.986909][ T2771]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   77.986911][ T2771]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.986913][ T2771]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.986915][ T2771]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.986917][ T2771]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.986919][ T2771]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.986922][ T2771]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.986925][ T2771]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.986926][ T2771]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.986929][ T2771]  ? ___sys_sendmsg (net/socket.c:2767)
[   77.986930][ T2771]  ? __sys_sendmsg (net/socket.c:2799)
[   77.986932][ T2771]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.986935][ T2771]  _printk (kernel/printk/printk.c:2504)
[   77.986939][ T2771]  ? snapshot_read.cold (user.c:?)
[   77.986941][ T2771]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.986944][ T2771]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.986946][ T2771]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.986948][ T2771]  ? netdev_notice (net/core/dev.c:13194)
[   77.986950][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.986952][ T2771]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   77.986953][ T2771]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   77.986956][ T2771]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   77.986958][ T2771]  ? 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)
[   77.986961][ T2771]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   77.986964][ T2771]  dev_set_allmulti (net/core/dev_api.c:315)
[   77.986967][ T2771] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   77.986980][ T2771]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.986984][ T2771]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   77.986986][ T2771] br_del_if (net/bridge/br_if.c:732) bridge
[   77.986996][ T2771]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   77.986999][ T2771]  do_set_master (net/core/rtnetlink.c:3055)
[   77.987001][ T2771]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   77.987004][ T2771]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.987007][ T2771]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.987008][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987010][ T2771]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.987014][ T2771]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.987017][ T2771]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.987018][ T2771]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.987020][ T2771]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.987021][ T2771]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   77.987025][ T2771]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   77.987026][ T2771]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.987027][ T2771]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.987029][ T2771]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.987030][ T2771]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.987031][ T2771]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.987033][ T2771]  ? ___sys_sendmsg (net/socket.c:2767)
[   77.987034][ T2771]  ? __sys_sendmsg (net/socket.c:2799)
[   77.987036][ T2771]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.987037][ T2771]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.987040][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987041][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.987043][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987044][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987046][ T2771]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.987048][ T2771]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   77.987051][ T2771]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.987052][ T2771]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.987054][ T2771]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.987055][ T2771]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.987058][ T2771]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.987060][ T2771]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.987062][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987064][ T2771]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.987065][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.987066][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987068][ T2771]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   77.987070][ T2771]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.987072][ T2771]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   77.987073][ T2771]  ? __kernel_text_address (kernel/extable.c:79)
[   77.987075][ T2771]  ? write_profile (profile.c:?)
[   77.987076][ T2771]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   77.987079][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987081][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987082][ T2771]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   77.987086][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.987087][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987089][ T2771]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.987091][ T2771]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.987092][ T2771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.987094][ T2771]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.987095][ T2771]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.987098][ T2771]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.987099][ T2771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.987100][ T2771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.987102][ T2771]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.987103][ T2771]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   77.987106][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987108][ T2771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.987110][ T2771]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.987112][ T2771]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.987113][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987115][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987117][ T2771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.987119][ T2771]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.987121][ T2771]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.987122][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987124][ T2771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.987126][ T2771]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.987128][ T2771]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.987130][ T2771]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   77.987131][ T2771]  ? move_addr_to_kernel (net/socket.c:258)
[   77.987133][ T2771]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.987135][ T2771]  ___sys_sendmsg (net/socket.c:2767)
[   77.987137][ T2771]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.987142][ T2771]  __sys_sendmsg (net/socket.c:2799)
[   77.987144][ T2771]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.987147][ T2771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.987149][ T2771]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.987150][ T2771]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.987152][ T2771]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.987154][ T2771] RIP: 0033:0x7f164898154e
[   77.987156][ T2771] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.987158][ T2771] RSP: 002b:00007ffcd2aad9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.987162][ T2771] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f164898154e
[   77.987163][ T2771] RDX: 0000000000000000 RSI: 00007ffcd2aada60 RDI: 0000000000000005
[   77.987164][ T2771] RBP: 00007ffcd2aad9c0 R08: 0000000000000000 R09: 0000000000000000
[   77.987165][ T2771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91545d
[   77.987166][ T2771] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd2aae120
| [   80.767347][ T2897] softirqs last disabled at (0): 0x0
| [   80.767350][ T2897] Preemption disabled at:
| [   80.767351][ T2897] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.767366][ T2897] Tainted: [W]=WARN
[   80.767368][ T2897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.767370][ T2897] Call Trace:
[   80.767372][ T2897]  <TASK>
[   80.767374][ T2897]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.767381][ T2897]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.767384][ T2897]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.767389][ T2897]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.767394][ T2897]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   80.767398][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767403][ T2897]  __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))
[   80.767407][ T2897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.767410][ T2897]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.767416][ T2897]  ? 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)
[   80.767418][ T2897]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.767421][ T2897]  put_chars (drivers/char/virtio_console.c:1176)
[   80.767424][ T2897]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.767427][ T2897]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.767431][ T2897]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.767436][ T2897]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.767439][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767442][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767445][ T2897]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.767449][ T2897]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.767452][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767454][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767457][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767460][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767463][ T2897]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.767465][ T2897]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.767469][ T2897]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.767473][ T2897]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.767476][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767478][ T2897]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.767481][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767483][ T2897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.767486][ T2897]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   80.767488][ T2897]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.767491][ T2897]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.767494][ T2897]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.767497][ T2897]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.767501][ T2897]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.767503][ T2897]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.767507][ T2897]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.767511][ T2897]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.767513][ T2897]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.767516][ T2897]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.767518][ T2897]  ? __sys_sendmsg (net/socket.c:2799)
[   80.767521][ T2897]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.767525][ T2897]  _printk (kernel/printk/printk.c:2504)
[   80.767529][ T2897]  ? snapshot_read.cold (user.c:?)
[   80.767533][ T2897]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.767537][ T2897]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.767540][ T2897]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.767543][ T2897]  ? netdev_notice (net/core/dev.c:13194)
[   80.767546][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767549][ T2897]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   80.767551][ T2897]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   80.767555][ T2897]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   80.767557][ T2897]  ? 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)
[   80.767567][ T2897]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   80.767571][ T2897]  dev_set_allmulti (net/core/dev_api.c:315)
[   80.767576][ T2897] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   80.767594][ T2897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.767599][ T2897]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.767603][ T2897] br_del_if (net/bridge/br_if.c:732) bridge
[   80.767615][ T2897]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   80.767619][ T2897]  do_set_master (net/core/rtnetlink.c:3055)
[   80.767623][ T2897]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   80.767627][ T2897]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   80.767631][ T2897]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   80.767633][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767636][ T2897]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.767641][ T2897]  ? kasan_save_stack (mm/kasan/common.c:58)
[   80.767645][ T2897]  ? kasan_save_stack (mm/kasan/common.c:57)
[   80.767648][ T2897]  ? kasan_save_track (mm/kasan/common.c:78)
[   80.767650][ T2897]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.767652][ T2897]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   80.767655][ T2897]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   80.767657][ T2897]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.767659][ T2897]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.767662][ T2897]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.767664][ T2897]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.767666][ T2897]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.767668][ T2897]  ? ___sys_sendmsg (net/socket.c:2767)
[   80.767671][ T2897]  ? __sys_sendmsg (net/socket.c:2799)
[   80.767673][ T2897]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.767675][ T2897]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.767679][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767682][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767684][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767687][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767690][ T2897]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   80.767693][ T2897]  ? __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)
[   80.767696][ T2897]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   80.767698][ T2897]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.767701][ T2897]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   80.767703][ T2897]  ? nla_get_range_signed (lib/nlattr.c:270)
[   80.767707][ T2897]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   80.767711][ T2897]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.767714][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767717][ T2897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.767719][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767721][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767725][ T2897]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   80.767727][ T2897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.767730][ T2897]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   80.767733][ T2897]  ? __kernel_text_address (kernel/extable.c:79)
[   80.767735][ T2897]  ? write_profile (profile.c:?)
[   80.767737][ T2897]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.767741][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767744][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767746][ T2897]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   80.767751][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767753][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767756][ T2897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.767758][ T2897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.767761][ T2897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.767763][ T2897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.767766][ T2897]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.767770][ T2897]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.767773][ T2897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.767775][ T2897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.767778][ T2897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.767780][ T2897]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   80.767784][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767787][ T2897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.767791][ T2897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.767794][ T2897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.767797][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767799][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767802][ T2897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.767805][ T2897]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.767808][ T2897]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.767812][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767815][ T2897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.767818][ T2897]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.767821][ T2897]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.767823][ T2897]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   80.767826][ T2897]  ? move_addr_to_kernel (net/socket.c:258)
[   80.767828][ T2897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.767833][ T2897]  ___sys_sendmsg (net/socket.c:2767)
[   80.767836][ T2897]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.767844][ T2897]  __sys_sendmsg (net/socket.c:2799)
[   80.767847][ T2897]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.767852][ T2897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.767855][ T2897]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.767857][ T2897]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.767861][ T2897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.767863][ T2897] RIP: 0033:0x7ff78a50154e
[   80.767866][ T2897] 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
[   80.767869][ T2897] RSP: 002b:00007fff7e328890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.767874][ T2897] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff78a50154e
[   80.767876][ T2897] RDX: 0000000000000000 RSI: 00007fff7e328940 RDI: 0000000000000005
[   80.767878][ T2897] RBP: 00007fff7e3288a0 R08: 0000000000000000 R09: 0000000000000000
[   80.767880][ T2897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915460
[   80.767881][ T2897] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7e329000
| [   83.825447][ T3027] softirqs last disabled at (0): 0x0
| [   83.825449][ T3027] Preemption disabled at:
| [   83.825450][ T3027] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.825465][ T3027] Tainted: [W]=WARN
[   83.825466][ T3027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.825468][ T3027] Call Trace:
[   83.825470][ T3027]  <TASK>
[   83.825472][ T3027]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.825478][ T3027]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.825481][ T3027]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.825486][ T3027]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.825490][ T3027]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   83.825493][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825498][ T3027]  __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))
[   83.825502][ T3027]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   83.825505][ T3027]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.825514][ T3027]  ? 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)
[   83.825517][ T3027]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.825524][ T3027]  put_chars (drivers/char/virtio_console.c:1176)
[   83.825528][ T3027]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.825531][ T3027]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   83.825535][ T3027]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.825540][ T3027]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.825545][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825549][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825553][ T3027]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.825557][ T3027]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.825560][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825563][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825565][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825568][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825571][ T3027]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   83.825574][ T3027]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.825577][ T3027]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.825582][ T3027]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.825593][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825595][ T3027]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.825598][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825600][ T3027]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.825602][ T3027]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   83.825604][ T3027]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   83.825607][ T3027]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.825610][ T3027]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.825613][ T3027]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.825616][ T3027]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.825618][ T3027]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.825622][ T3027]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.825626][ T3027]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.825628][ T3027]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.825631][ T3027]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.825633][ T3027]  ? __sys_sendmsg (net/socket.c:2799)
[   83.825635][ T3027]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.825640][ T3027]  _printk (kernel/printk/printk.c:2504)
[   83.825643][ T3027]  ? snapshot_read.cold (user.c:?)
[   83.825647][ T3027]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.825650][ T3027]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.825653][ T3027]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.825655][ T3027]  ? netdev_notice (net/core/dev.c:13194)
[   83.825658][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825661][ T3027]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   83.825663][ T3027]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   83.825666][ T3027]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   83.825668][ T3027]  ? 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)
[   83.825672][ T3027]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   83.825675][ T3027]  dev_set_allmulti (net/core/dev_api.c:315)
[   83.825679][ T3027] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   83.825696][ T3027]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.825701][ T3027]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.825704][ T3027] br_del_if (net/bridge/br_if.c:732) bridge
[   83.825725][ T3027]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   83.825730][ T3027]  do_set_master (net/core/rtnetlink.c:3055)
[   83.825734][ T3027]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   83.825740][ T3027]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.825746][ T3027]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.825749][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825752][ T3027]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   83.825757][ T3027]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.825760][ T3027]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.825763][ T3027]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.825765][ T3027]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.825768][ T3027]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   83.825770][ T3027]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   83.825772][ T3027]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.825774][ T3027]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.825777][ T3027]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.825779][ T3027]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.825781][ T3027]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.825783][ T3027]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.825785][ T3027]  ? __sys_sendmsg (net/socket.c:2799)
[   83.825787][ T3027]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.825789][ T3027]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.825793][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825796][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825798][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825800][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825803][ T3027]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.825806][ T3027]  ? __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)
[   83.825808][ T3027]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.825810][ T3027]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.825813][ T3027]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.825815][ T3027]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.825818][ T3027]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.825822][ T3027]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.825825][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825828][ T3027]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.825830][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825832][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825835][ T3027]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   83.825840][ T3027]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.825844][ T3027]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.825848][ T3027]  ? __kernel_text_address (kernel/extable.c:79)
[   83.825853][ T3027]  ? write_profile (profile.c:?)
[   83.825855][ T3027]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.825859][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825862][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825864][ T3027]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   83.825868][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825875][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825878][ T3027]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.825880][ T3027]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.825883][ T3027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.825886][ T3027]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   83.825888][ T3027]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   83.825892][ T3027]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.825895][ T3027]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.825897][ T3027]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.825899][ T3027]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.825902][ T3027]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   83.825906][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825908][ T3027]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.825911][ T3027]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.825914][ T3027]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.825917][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825919][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825921][ T3027]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.825924][ T3027]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.825927][ T3027]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.825930][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825933][ T3027]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   83.825935][ T3027]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.825938][ T3027]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.825940][ T3027]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   83.825942][ T3027]  ? move_addr_to_kernel (net/socket.c:258)
[   83.825944][ T3027]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   83.825948][ T3027]  ___sys_sendmsg (net/socket.c:2767)
[   83.825951][ T3027]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.825959][ T3027]  __sys_sendmsg (net/socket.c:2799)
[   83.825962][ T3027]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.825966][ T3027]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.825969][ T3027]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.825971][ T3027]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.825974][ T3027]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.825976][ T3027] RIP: 0033:0x7fc34d11054e
[   83.825980][ T3027] 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
[   83.825982][ T3027] RSP: 002b:00007ffd41baa130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.825987][ T3027] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc34d11054e
[   83.825989][ T3027] RDX: 0000000000000000 RSI: 00007ffd41baa1e0 RDI: 0000000000000005
[   83.825991][ T3027] RBP: 00007ffd41baa140 R08: 0000000000000000 R09: 0000000000000000
[   83.825992][ T3027] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915463
[   83.825993][ T3027] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd41baa8a0
| [   88.426963][ T3087] softirqs last disabled at (0): 0x0
| [   88.426964][ T3087] Preemption disabled at:
| [   88.426965][ T3087] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.426977][ T3087] Tainted: [W]=WARN
[   88.426978][ T3087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.426980][ T3087] Call Trace:
[   88.426981][ T3087]  <TASK>
[   88.426982][ T3087]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.426988][ T3087]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.426990][ T3087]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.426993][ T3087]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.426997][ T3087]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   88.427000][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427004][ T3087]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.427007][ T3087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.427009][ T3087]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.427013][ T3087]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.427015][ T3087]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.427017][ T3087]  put_chars (drivers/char/virtio_console.c:1176)
[   88.427019][ T3087]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.427021][ T3087]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.427025][ T3087]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.427029][ T3087]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.427030][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427032][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427035][ T3087]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.427037][ T3087]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.427040][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427041][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427043][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427045][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427047][ T3087]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.427049][ T3087]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.427051][ T3087]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.427054][ T3087]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.427056][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427058][ T3087]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.427059][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427061][ T3087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.427063][ T3087]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.427064][ T3087]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.427066][ T3087]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.427068][ T3087]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.427070][ T3087]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.427072][ T3087]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.427074][ T3087]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.427078][ T3087]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.427080][ T3087]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.427082][ T3087]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.427085][ T3087]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.427086][ T3087]  ? __sys_sendmsg (net/socket.c:2799)
[   88.427088][ T3087]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.427091][ T3087]  _printk (kernel/printk/printk.c:2504)
[   88.427095][ T3087]  ? snapshot_read.cold (user.c:?)
[   88.427097][ T3087]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   88.427100][ T3087]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   88.427102][ T3087]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   88.427104][ T3087]  ? netdev_notice (net/core/dev.c:13194)
[   88.427106][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427108][ T3087]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   88.427109][ T3087]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   88.427112][ T3087]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   88.427114][ T3087]  ? 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)
[   88.427116][ T3087]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   88.427119][ T3087]  dev_set_allmulti (net/core/dev_api.c:315)
[   88.427122][ T3087] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   88.427135][ T3087]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.427138][ T3087]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.427141][ T3087] br_del_if (net/bridge/br_if.c:732) bridge
[   88.427148][ T3087]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.427151][ T3087]  do_set_master (net/core/rtnetlink.c:3055)
[   88.427153][ T3087]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   88.427156][ T3087]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.427159][ T3087]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.427160][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427162][ T3087]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.427166][ T3087]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.427168][ T3087]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.427170][ T3087]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.427172][ T3087]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.427173][ T3087]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.427175][ T3087]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.427176][ T3087]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.427177][ T3087]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.427179][ T3087]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.427180][ T3087]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.427181][ T3087]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.427183][ T3087]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.427184][ T3087]  ? __sys_sendmsg (net/socket.c:2799)
[   88.427186][ T3087]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.427187][ T3087]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.427190][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427192][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427193][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427195][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427197][ T3087]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.427199][ T3087]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   88.427201][ T3087]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.427202][ T3087]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.427204][ T3087]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.427206][ T3087]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.427208][ T3087]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.427210][ T3087]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.427212][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427214][ T3087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.427215][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427217][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427219][ T3087]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.427221][ T3087]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.427223][ T3087]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.427224][ T3087]  ? __kernel_text_address (kernel/extable.c:79)
[   88.427225][ T3087]  ? write_profile (profile.c:?)
[   88.427227][ T3087]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.427229][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427231][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427233][ T3087]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.427236][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427238][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427240][ T3087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.427241][ T3087]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.427243][ T3087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.427245][ T3087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.427246][ T3087]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.427249][ T3087]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.427250][ T3087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.427252][ T3087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.427254][ T3087]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.427255][ T3087]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.427258][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427259][ T3087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.427261][ T3087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.427263][ T3087]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.427265][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427267][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427269][ T3087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.427271][ T3087]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.427273][ T3087]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.427275][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427277][ T3087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.427279][ T3087]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.427280][ T3087]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.427282][ T3087]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.427284][ T3087]  ? move_addr_to_kernel (net/socket.c:258)
[   88.427285][ T3087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.427288][ T3087]  ___sys_sendmsg (net/socket.c:2767)
[   88.427290][ T3087]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.427295][ T3087]  __sys_sendmsg (net/socket.c:2799)
[   88.427297][ T3087]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.427300][ T3087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.427302][ T3087]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.427303][ T3087]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.427305][ T3087]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.427307][ T3087] RIP: 0033:0x7f8de396354e
[   88.427309][ T3087] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.427311][ T3087] RSP: 002b:00007ffd85582f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.427314][ T3087] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8de396354e
[   88.427316][ T3087] RDX: 0000000000000000 RSI: 00007ffd85582fc0 RDI: 0000000000000005
[   88.427317][ T3087] RBP: 00007ffd85582f20 R08: 0000000000000000 R09: 0000000000000000
[   88.427318][ T3087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915467
[   88.427319][ T3087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd85583680
| [   90.976561][ T3183] softirqs last disabled at (0): 0x0
| [   90.976563][ T3183] Preemption disabled at:
| [   90.976564][ T3183] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.976576][ T3183] Tainted: [W]=WARN
[   90.976578][ T3183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.976579][ T3183] Call Trace:
[   90.976581][ T3183]  <TASK>
[   90.976582][ T3183]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.976588][ T3183]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.976590][ T3183]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.976594][ T3183]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.976597][ T3183]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   90.976601][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976604][ T3183]  __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))
[   90.976608][ T3183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   90.976610][ T3183]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.976614][ T3183]  ? 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)
[   90.976616][ T3183]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.976618][ T3183]  put_chars (drivers/char/virtio_console.c:1176)
[   90.976621][ T3183]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.976622][ T3183]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   90.976625][ T3183]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.976629][ T3183]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.976630][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976632][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976634][ T3183]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.976637][ T3183]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.976645][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976647][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976648][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976650][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976652][ T3183]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   90.976654][ T3183]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.976657][ T3183]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.976660][ T3183]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.976662][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976663][ T3183]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.976665][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976667][ T3183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.976668][ T3183]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   90.976670][ T3183]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   90.976672][ T3183]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.976674][ T3183]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.976676][ T3183]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.976679][ T3183]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.976680][ T3183]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.976684][ T3183]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.976686][ T3183]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.976688][ T3183]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.976693][ T3183]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.976694][ T3183]  ? __sys_sendmsg (net/socket.c:2799)
[   90.976696][ T3183]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.976699][ T3183]  _printk (kernel/printk/printk.c:2504)
[   90.976703][ T3183]  ? snapshot_read.cold (user.c:?)
[   90.976705][ T3183]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.976708][ T3183]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.976710][ T3183]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.976712][ T3183]  ? netdev_notice (net/core/dev.c:13194)
[   90.976714][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976716][ T3183]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   90.976718][ T3183]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   90.976720][ T3183]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   90.976722][ T3183]  ? 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)
[   90.976725][ T3183]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   90.976728][ T3183]  dev_set_allmulti (net/core/dev_api.c:315)
[   90.976730][ T3183] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   90.976743][ T3183]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.976746][ T3183]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.976749][ T3183] br_del_if (net/bridge/br_if.c:732) bridge
[   90.976756][ T3183]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   90.976759][ T3183]  do_set_master (net/core/rtnetlink.c:3055)
[   90.976761][ T3183]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   90.976764][ T3183]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   90.976767][ T3183]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   90.976768][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976770][ T3183]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.976774][ T3183]  ? kasan_save_stack (mm/kasan/common.c:58)
[   90.976777][ T3183]  ? kasan_save_stack (mm/kasan/common.c:57)
[   90.976778][ T3183]  ? kasan_save_track (mm/kasan/common.c:78)
[   90.976780][ T3183]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.976782][ T3183]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   90.976784][ T3183]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   90.976785][ T3183]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.976786][ T3183]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.976788][ T3183]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.976789][ T3183]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.976790][ T3183]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.976792][ T3183]  ? ___sys_sendmsg (net/socket.c:2767)
[   90.976793][ T3183]  ? __sys_sendmsg (net/socket.c:2799)
[   90.976795][ T3183]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.976796][ T3183]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.976799][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976801][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976802][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976804][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976806][ T3183]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   90.976808][ T3183]  ? __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)
[   90.976810][ T3183]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   90.976811][ T3183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   90.976813][ T3183]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   90.976814][ T3183]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.976817][ T3183]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   90.976819][ T3183]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   90.976821][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976823][ T3183]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.976824][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976826][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976828][ T3183]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   90.976830][ T3183]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   90.976832][ T3183]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   90.976833][ T3183]  ? __kernel_text_address (kernel/extable.c:79)
[   90.976834][ T3183]  ? write_profile (profile.c:?)
[   90.976836][ T3183]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.976838][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976840][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976842][ T3183]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   90.976845][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976847][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976849][ T3183]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.976850][ T3183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.976852][ T3183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.976853][ T3183]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.976855][ T3183]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   90.976858][ T3183]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.976859][ T3183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.976861][ T3183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.976862][ T3183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.976864][ T3183]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   90.976866][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976868][ T3183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.976870][ T3183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.976872][ T3183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.976874][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976876][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976878][ T3183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.976879][ T3183]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.976881][ T3183]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.976883][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976885][ T3183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   90.976887][ T3183]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   90.976889][ T3183]  ? copy_msghdr_from_user (net/socket.c:2650)
[   90.976891][ T3183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   90.976893][ T3183]  ? move_addr_to_kernel (net/socket.c:258)
[   90.976894][ T3183]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   90.976897][ T3183]  ___sys_sendmsg (net/socket.c:2767)
[   90.976899][ T3183]  ? copy_msghdr_from_user (net/socket.c:2619)
[   90.976904][ T3183]  __sys_sendmsg (net/socket.c:2799)
[   90.976906][ T3183]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   90.976908][ T3183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.976911][ T3183]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.976912][ T3183]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.976914][ T3183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.976916][ T3183] RIP: 0033:0x7f3c0b7ee54e
[   90.976918][ T3183] 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
[   90.976920][ T3183] RSP: 002b:00007fffedfa3000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.976924][ T3183] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c0b7ee54e
[   90.976925][ T3183] RDX: 0000000000000000 RSI: 00007fffedfa30b0 RDI: 0000000000000005
[   90.976926][ T3183] RBP: 00007fffedfa3010 R08: 0000000000000000 R09: 0000000000000000
[   90.976927][ T3183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91546a
[   90.976928][ T3183] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffedfa3770
| [   93.742698][ T3297] softirqs last disabled at (0): 0x0
| [   93.742700][ T3297] Preemption disabled at:
| [   93.742701][ T3297] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.742712][ T3297] Tainted: [W]=WARN
[   93.742713][ T3297] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.742715][ T3297] Call Trace:
[   93.742716][ T3297]  <TASK>
[   93.742717][ T3297]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.742723][ T3297]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.742725][ T3297]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.742728][ T3297]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.742731][ T3297]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   93.742734][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742738][ T3297]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.742741][ T3297]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.742744][ T3297]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.742748][ T3297]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.742749][ T3297]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.742751][ T3297]  put_chars (drivers/char/virtio_console.c:1176)
[   93.742753][ T3297]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.742755][ T3297]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.742758][ T3297]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.742761][ T3297]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.742762][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742764][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.742766][ T3297]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.742769][ T3297]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.742771][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742773][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742775][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742776][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.742778][ T3297]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.742780][ T3297]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.742782][ T3297]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.742785][ T3297]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.742787][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.742789][ T3297]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.742790][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742792][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.742794][ T3297]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   93.742795][ T3297]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   93.742797][ T3297]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.742799][ T3297]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.742801][ T3297]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.742804][ T3297]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.742806][ T3297]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.742808][ T3297]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.742811][ T3297]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.742812][ T3297]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.742815][ T3297]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.742817][ T3297]  ? __sys_sendmsg (net/socket.c:2799)
[   93.742818][ T3297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.742821][ T3297]  _printk (kernel/printk/printk.c:2504)
[   93.742824][ T3297]  ? snapshot_read.cold (user.c:?)
[   93.742827][ T3297]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.742830][ T3297]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.742832][ T3297]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.742833][ T3297]  ? netdev_notice (net/core/dev.c:13194)
[   93.742835][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742837][ T3297]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   93.742839][ T3297]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   93.742842][ T3297]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   93.742843][ T3297]  ? 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)
[   93.742846][ T3297]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   93.742849][ T3297]  dev_set_allmulti (net/core/dev_api.c:315)
[   93.742851][ T3297] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   93.742863][ T3297]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.742867][ T3297]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.742870][ T3297] br_del_if (net/bridge/br_if.c:732) bridge
[   93.742877][ T3297]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   93.742880][ T3297]  do_set_master (net/core/rtnetlink.c:3055)
[   93.742882][ T3297]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   93.742885][ T3297]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   93.742888][ T3297]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   93.742889][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742891][ T3297]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.742894][ T3297]  ? kasan_save_stack (mm/kasan/common.c:58)
[   93.742897][ T3297]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.742899][ T3297]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.742900][ T3297]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.742902][ T3297]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   93.742903][ T3297]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   93.742905][ T3297]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.742906][ T3297]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.742907][ T3297]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.742909][ T3297]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.742910][ T3297]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.742911][ T3297]  ? ___sys_sendmsg (net/socket.c:2767)
[   93.742913][ T3297]  ? __sys_sendmsg (net/socket.c:2799)
[   93.742914][ T3297]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.742916][ T3297]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.742918][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742920][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.742922][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742923][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742925][ T3297]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   93.742927][ T3297]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   93.742929][ T3297]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   93.742933][ T3297]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.742935][ T3297]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   93.742936][ T3297]  ? nla_get_range_signed (lib/nlattr.c:270)
[   93.742939][ T3297]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   93.742941][ T3297]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.742943][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742945][ T3297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.742946][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.742947][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742950][ T3297]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   93.742951][ T3297]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.742953][ T3297]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   93.742955][ T3297]  ? __kernel_text_address (kernel/extable.c:79)
[   93.742956][ T3297]  ? write_profile (profile.c:?)
[   93.742957][ T3297]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.742960][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742962][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742964][ T3297]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   93.742967][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.742969][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742971][ T3297]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.742972][ T3297]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.742974][ T3297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.742975][ T3297]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.742977][ T3297]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.742979][ T3297]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.742981][ T3297]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.742982][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.742984][ T3297]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.742985][ T3297]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   93.742987][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742989][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.742991][ T3297]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.742993][ T3297]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.742995][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742997][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.742999][ T3297]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.743000][ T3297]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.743002][ T3297]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.743004][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.743006][ T3297]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.743008][ T3297]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   93.743010][ T3297]  ? copy_msghdr_from_user (net/socket.c:2650)
[   93.743011][ T3297]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   93.743013][ T3297]  ? move_addr_to_kernel (net/socket.c:258)
[   93.743015][ T3297]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.743017][ T3297]  ___sys_sendmsg (net/socket.c:2767)
[   93.743019][ T3297]  ? copy_msghdr_from_user (net/socket.c:2619)
[   93.743024][ T3297]  __sys_sendmsg (net/socket.c:2799)
[   93.743026][ T3297]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   93.743029][ T3297]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.743031][ T3297]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.743032][ T3297]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.743034][ T3297]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.743036][ T3297] RIP: 0033:0x7fb38fcab54e
[   93.743038][ T3297] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   93.743040][ T3297] RSP: 002b:00007ffeaf723de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.743044][ T3297] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb38fcab54e
[   93.743046][ T3297] RDX: 0000000000000000 RSI: 00007ffeaf723e90 RDI: 0000000000000005
[   93.743047][ T3297] RBP: 00007ffeaf723df0 R08: 0000000000000000 R09: 0000000000000000
[   93.743047][ T3297] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91546d
[   93.743048][ T3297] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaf724550
| [   96.561440][ T3423] softirqs last disabled at (0): 0x0
| [   96.561442][ T3423] Preemption disabled at:
| [   96.561443][ T3423] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.561453][ T3423] Tainted: [W]=WARN
[   96.561454][ T3423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.561456][ T3423] Call Trace:
[   96.561458][ T3423]  <TASK>
[   96.561459][ T3423]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.561464][ T3423]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.561466][ T3423]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.561469][ T3423]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.561473][ T3423]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   96.561476][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561480][ T3423]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   96.561483][ T3423]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   96.561485][ T3423]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.561489][ T3423]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   96.561491][ T3423]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.561493][ T3423]  put_chars (drivers/char/virtio_console.c:1176)
[   96.561495][ T3423]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.561497][ T3423]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   96.561499][ T3423]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.561502][ T3423]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.561504][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561506][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561508][ T3423]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.561511][ T3423]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.561513][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561515][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561517][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561518][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561520][ T3423]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   96.561522][ T3423]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.561525][ T3423]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.561527][ T3423]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.561529][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561531][ T3423]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.561533][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561535][ T3423]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.561536][ T3423]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   96.561538][ T3423]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   96.561540][ T3423]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.561542][ T3423]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.561544][ T3423]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.561547][ T3423]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.561549][ T3423]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.561552][ T3423]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.561554][ T3423]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.561557][ T3423]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   96.561560][ T3423]  ? ___sys_sendmsg (net/socket.c:2767)
[   96.561562][ T3423]  ? __sys_sendmsg (net/socket.c:2799)
[   96.561565][ T3423]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.561568][ T3423]  _printk (kernel/printk/printk.c:2504)
[   96.561572][ T3423]  ? snapshot_read.cold (user.c:?)
[   96.561575][ T3423]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   96.561578][ T3423]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   96.561580][ T3423]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   96.561582][ T3423]  ? netdev_notice (net/core/dev.c:13194)
[   96.561584][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561586][ T3423]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   96.561587][ T3423]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   96.561590][ T3423]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   96.561592][ T3423]  ? 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)
[   96.561594][ T3423]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   96.561597][ T3423]  dev_set_allmulti (net/core/dev_api.c:315)
[   96.561600][ T3423] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   96.561613][ T3423]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   96.561617][ T3423]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.561619][ T3423] br_del_if (net/bridge/br_if.c:732) bridge
[   96.561627][ T3423]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   96.561630][ T3423]  do_set_master (net/core/rtnetlink.c:3055)
[   96.561632][ T3423]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   96.561635][ T3423]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   96.561638][ T3423]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   96.561639][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561641][ T3423]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   96.561645][ T3423]  ? kasan_save_stack (mm/kasan/common.c:58)
[   96.561647][ T3423]  ? kasan_save_stack (mm/kasan/common.c:57)
[   96.561649][ T3423]  ? kasan_save_track (mm/kasan/common.c:78)
[   96.561651][ T3423]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   96.561652][ T3423]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   96.561654][ T3423]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   96.561655][ T3423]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.561656][ T3423]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.561658][ T3423]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.561659][ T3423]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.561661][ T3423]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   96.561662][ T3423]  ? ___sys_sendmsg (net/socket.c:2767)
[   96.561664][ T3423]  ? __sys_sendmsg (net/socket.c:2799)
[   96.561665][ T3423]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.561667][ T3423]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.561669][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561671][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561673][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561675][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561676][ T3423]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   96.561679][ T3423]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   96.561687][ T3423]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   96.561688][ T3423]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   96.561690][ T3423]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   96.561692][ T3423]  ? nla_get_range_signed (lib/nlattr.c:270)
[   96.561694][ T3423]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   96.561696][ T3423]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.561698][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561701][ T3423]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.561702][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561703][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561706][ T3423]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   96.561707][ T3423]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   96.561709][ T3423]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   96.561711][ T3423]  ? __kernel_text_address (kernel/extable.c:79)
[   96.561712][ T3423]  ? write_profile (profile.c:?)
[   96.561714][ T3423]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   96.561716][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561718][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561720][ T3423]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   96.561724][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561725][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561727][ T3423]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.561729][ T3423]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.561731][ T3423]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.561732][ T3423]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.561734][ T3423]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   96.561736][ T3423]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.561738][ T3423]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.561739][ T3423]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.561741][ T3423]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.561742][ T3423]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   96.561745][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561747][ T3423]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.561749][ T3423]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.561751][ T3423]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.561753][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561755][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561757][ T3423]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.561759][ T3423]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.561761][ T3423]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.561763][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561765][ T3423]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   96.561767][ T3423]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   96.561768][ T3423]  ? copy_msghdr_from_user (net/socket.c:2650)
[   96.561770][ T3423]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   96.561772][ T3423]  ? move_addr_to_kernel (net/socket.c:258)
[   96.561773][ T3423]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   96.561776][ T3423]  ___sys_sendmsg (net/socket.c:2767)
[   96.561778][ T3423]  ? copy_msghdr_from_user (net/socket.c:2619)
[   96.561783][ T3423]  __sys_sendmsg (net/socket.c:2799)
[   96.561785][ T3423]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   96.561788][ T3423]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.561790][ T3423]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.561792][ T3423]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.561794][ T3423]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.561796][ T3423] RIP: 0033:0x7ff88551454e
[   96.561797][ T3423] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   96.561800][ T3423] RSP: 002b:00007ffd0ad48c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.561804][ T3423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff88551454e
[   96.561805][ T3423] RDX: 0000000000000000 RSI: 00007ffd0ad48d40 RDI: 0000000000000005
[   96.561806][ T3423] RBP: 00007ffd0ad48ca0 R08: 0000000000000000 R09: 0000000000000000
[   96.561807][ T3423] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91546f
[   96.561808][ T3423] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0ad49400
| [   97.604883][ T3509] softirqs last disabled at (0): 0x0
| [   97.604884][ T3509] Preemption disabled at:
| [   97.604885][ T3509] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.604896][ T3509] Tainted: [W]=WARN
[   97.604897][ T3509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.604899][ T3509] Call Trace:
[   97.604901][ T3509]  <TASK>
[   97.604902][ T3509]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.604908][ T3509]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.604910][ T3509]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.604914][ T3509]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.604917][ T3509]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   97.604920][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.604924][ T3509]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   97.604928][ T3509]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   97.604931][ T3509]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.604935][ T3509]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   97.604937][ T3509]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.604939][ T3509]  put_chars (drivers/char/virtio_console.c:1176)
[   97.604941][ T3509]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.604943][ T3509]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   97.604946][ T3509]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.604949][ T3509]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.604951][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.604952][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.604954][ T3509]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.604957][ T3509]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.604959][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.604961][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.604962][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.604964][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.604966][ T3509]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   97.604968][ T3509]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.604971][ T3509]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.604973][ T3509]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.604975][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.604977][ T3509]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.604979][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.604980][ T3509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.604982][ T3509]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   97.604983][ T3509]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   97.604985][ T3509]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.604987][ T3509]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.604989][ T3509]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.604992][ T3509]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.604994][ T3509]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.604997][ T3509]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.605000][ T3509]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.605001][ T3509]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   97.605004][ T3509]  ? ___sys_sendmsg (net/socket.c:2767)
[   97.605005][ T3509]  ? __sys_sendmsg (net/socket.c:2799)
[   97.605007][ T3509]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.605010][ T3509]  _printk (kernel/printk/printk.c:2504)
[   97.605013][ T3509]  ? snapshot_read.cold (user.c:?)
[   97.605016][ T3509]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   97.605019][ T3509]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   97.605021][ T3509]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   97.605022][ T3509]  ? netdev_notice (net/core/dev.c:13194)
[   97.605024][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605026][ T3509]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   97.605028][ T3509]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   97.605030][ T3509]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   97.605032][ T3509]  ? 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)
[   97.605034][ T3509]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   97.605037][ T3509]  dev_set_allmulti (net/core/dev_api.c:315)
[   97.605040][ T3509] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   97.605052][ T3509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   97.605056][ T3509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   97.605059][ T3509] br_del_if (net/bridge/br_if.c:732) bridge
[   97.605066][ T3509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.605068][ T3509]  do_set_master (net/core/rtnetlink.c:3055)
[   97.605071][ T3509]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   97.605073][ T3509]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   97.605076][ T3509]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   97.605077][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605079][ T3509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   97.605083][ T3509]  ? kasan_save_stack (mm/kasan/common.c:58)
[   97.605086][ T3509]  ? kasan_save_stack (mm/kasan/common.c:57)
[   97.605087][ T3509]  ? kasan_save_track (mm/kasan/common.c:78)
[   97.605089][ T3509]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   97.605090][ T3509]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   97.605092][ T3509]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   97.605093][ T3509]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.605094][ T3509]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.605096][ T3509]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.605097][ T3509]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.605099][ T3509]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   97.605100][ T3509]  ? ___sys_sendmsg (net/socket.c:2767)
[   97.605101][ T3509]  ? __sys_sendmsg (net/socket.c:2799)
[   97.605103][ T3509]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.605104][ T3509]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.605107][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605109][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.605110][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605112][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605114][ T3509]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   97.605116][ T3509]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   97.605118][ T3509]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   97.605119][ T3509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.605121][ T3509]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   97.605122][ T3509]  ? nla_get_range_signed (lib/nlattr.c:270)
[   97.605125][ T3509]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   97.605127][ T3509]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.605129][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605131][ T3509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.605132][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.605133][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605136][ T3509]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   97.605137][ T3509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   97.605139][ T3509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   97.605141][ T3509]  ? __kernel_text_address (kernel/extable.c:79)
[   97.605142][ T3509]  ? write_profile (profile.c:?)
[   97.605143][ T3509]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   97.605146][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605148][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605150][ T3509]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   97.605153][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.605155][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605157][ T3509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.605158][ T3509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.605160][ T3509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.605161][ T3509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   97.605163][ T3509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   97.605165][ T3509]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.605167][ T3509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.605168][ T3509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.605170][ T3509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.605171][ T3509]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   97.605174][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605176][ T3509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.605178][ T3509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.605180][ T3509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.605181][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605183][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605185][ T3509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.605187][ T3509]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.605189][ T3509]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.605191][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605193][ T3509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.605195][ T3509]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   97.605196][ T3509]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.605198][ T3509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   97.605200][ T3509]  ? move_addr_to_kernel (net/socket.c:258)
[   97.605201][ T3509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   97.605204][ T3509]  ___sys_sendmsg (net/socket.c:2767)
[   97.605206][ T3509]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.605211][ T3509]  __sys_sendmsg (net/socket.c:2799)
[   97.605213][ T3509]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.605215][ T3509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.605217][ T3509]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.605219][ T3509]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.605221][ T3509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.605223][ T3509] RIP: 0033:0x7f627493a54e
[   97.605225][ T3509] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   97.605227][ T3509] RSP: 002b:00007fffc67ce8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.605230][ T3509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f627493a54e
[   97.605232][ T3509] RDX: 0000000000000000 RSI: 00007fffc67ce9a0 RDI: 0000000000000005
[   97.605233][ T3509] RBP: 00007fffc67ce900 R08: 0000000000000000 R09: 0000000000000000
[   97.605234][ T3509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915470


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