======================================
| [   11.049981][  T224] softirqs last disabled at (18933): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.049983][  T224] Preemption disabled at:
| [   11.049983][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.049993][  T224] Tainted: [W]=WARN
[   11.049994][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.049996][  T224] Call Trace:
[   11.049997][  T224]  <TASK>
[   11.049999][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.050004][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.050007][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.050011][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.050015][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.050020][  T224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.050022][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.050028][  T224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.050031][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.050034][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   11.050037][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.050038][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.050043][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.050045][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.050049][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.050052][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.050057][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.050059][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.050064][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.050068][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.050069][  T224]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.050072][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.050075][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.050078][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.050082][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.050084][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.050089][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.050092][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.050094][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.050096][  T224]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.050100][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.050101][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.050104][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.050108][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.050114][  T224]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.050117][  T224]  _printk (kernel/printk/printk.c:2504)
[   11.050121][  T224]  ? snapshot_read.cold (user.c:?)
[   11.050127][  T224]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.050130][  T224] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.050133][  T224]  do_one_initcall (init/main.c:1357)
[   11.050135][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.050140][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.050143][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.050147][  T224]  do_init_module (kernel/module/main.c:3117)
[   11.050151][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.050156][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.050159][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.050162][  T224]  load_module (kernel/module/main.c:3593)
[   11.050169][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.050173][  T224]  ? __ia32_sys_fsconfig (??:?)
[   11.050176][  T224]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.050180][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.050181][  T224]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.050185][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.050189][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   11.050192][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.050199][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.050203][  T224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.050206][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   11.050209][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.050215][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.050217][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.050223][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.050225][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.050229][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.050231][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.050233][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.050236][  T224] RIP: 0033:0x7f787c53c37d
[   11.050239][  T224] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.050240][  T224] RSP: 002b:00007fff07d113f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.050243][  T224] RAX: ffffffffffffffda RBX: 000055dd6a39b810 RCX: 00007f787c53c37d
[   11.050245][  T224] RDX: 0000000000000000 RSI: 000055dd411e2ffd RDI: 0000000000000000
[   11.050246][  T224] RBP: 00007fff07d11490 R08: 0000000000000000 R09: 0000000000000000
[   11.050246][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd411e2ffd
[   11.050247][  T224] R13: 000055dd6a39b960 R14: 0000000000040000 R15: 0000000000000000
| [   12.432107][  T269] softirqs last disabled at (15016): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.432110][  T269] Preemption disabled at:
| [   12.432111][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.432123][  T269] Tainted: [W]=WARN
[   12.432124][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.432127][  T269] Call Trace:
[   12.432129][  T269]  <TASK>
[   12.432131][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.432139][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.432142][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.432148][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.432154][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.432162][  T269]  __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))
[   12.432165][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.432173][  T269]  ? 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)
[   12.432177][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.432182][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   12.432186][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.432194][  T269]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.432200][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.432204][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.432207][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432209][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432216][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.432219][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.432225][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432230][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.432237][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.432243][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.432245][  T269]  ? 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))
[   12.432250][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432254][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.432261][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.432268][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.432270][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432279][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.432284][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.432287][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432290][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.432296][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.432299][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.432304][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.432311][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.432315][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.432317][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.432327][  T269]  _printk (kernel/printk/printk.c:2504)
[   12.432332][  T269]  ? snapshot_read.cold (user.c:?)
[   12.432339][  T269]  ? br_multicast_flood (??:?) bridge
[   12.432358][  T269]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.432360][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.432362][  T269]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.432370][  T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.432387][  T269] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.432401][  T269] new_nbp (net/bridge/br_if.c:449) bridge
[   12.432417][  T269] br_add_if (net/bridge/br_if.c:592) bridge
[   12.432435][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.432441][  T269]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.432445][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   12.432452][  T269]  do_set_master (net/core/rtnetlink.c:3071)
[   12.432460][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.432465][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.432469][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.432471][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.432475][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.432480][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.432484][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.432487][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.432491][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.432495][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.432497][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.432502][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432504][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.432508][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.432515][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.432518][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.432523][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432527][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.432529][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432532][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432535][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.432541][  T269]  ? __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)
[   12.432543][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.432547][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.432552][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.432555][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.432564][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.432573][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.432583][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.432586][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432594][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.432597][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.432600][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.432603][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.432610][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.432613][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.432619][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.432621][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432629][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.432632][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.432638][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.432641][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.432646][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.432657][  T269]  ? 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))
[   12.432659][  T269]  ? 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))
[   12.432667][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.432673][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.432678][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.432685][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.432691][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.432698][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.432707][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.432711][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.432714][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.432717][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.432730][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   12.432735][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.432764][  T269]  __sys_sendmsg (net/socket.c:2799)
[   12.432768][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.432779][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.432786][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.432789][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.432794][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.432798][  T269] RIP: 0033:0x7fccb254f54e
[   12.432802][  T269] 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
[   12.432805][  T269] RSP: 002b:00007ffe436b5e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.432809][  T269] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fccb254f54e
[   12.432810][  T269] RDX: 0000000000000000 RSI: 00007ffe436b5f10 RDI: 0000000000000005
[   12.432812][  T269] RBP: 00007ffe436b5e70 R08: 0000000000000000 R09: 0000000000000000
[   12.432813][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbd4
[   12.432815][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe436b65d0
| [   22.848194][  T351] softirqs last disabled at (19334): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.848196][  T351] Preemption disabled at:
| [   22.848197][  T351] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.848206][  T351] Tainted: [W]=WARN
[   22.848207][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.848209][  T351] Call Trace:
[   22.848210][  T351]  <TASK>
[   22.848212][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.848218][  T351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.848220][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.848224][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.848228][  T351]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.848233][  T351]  __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))
[   22.848236][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.848241][  T351]  ? 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)
[   22.848244][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.848247][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   22.848250][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.848251][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.848256][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.848261][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.848267][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.848269][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848272][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.848276][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.848279][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.848281][  T351]  ? 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))
[   22.848284][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848287][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.848290][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.848295][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.848296][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.848301][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.848304][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.848306][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848308][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.848312][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.848313][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.848317][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.848320][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.848322][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.848324][  T351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.848327][  T351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.848328][  T351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.848330][  T351]  ? ___sys_sendmsg (net/socket.c:2767)
[   22.848332][  T351]  ? __sys_sendmsg (net/socket.c:2799)
[   22.848334][  T351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.848338][  T351]  _printk (kernel/printk/printk.c:2504)
[   22.848348][  T351]  ? snapshot_read.cold (user.c:?)
[   22.848354][  T351]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.848357][  T351]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.848361][  T351]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.848363][  T351]  ? netdev_notice (net/core/dev.c:13194)
[   22.848367][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848369][  T351]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   22.848372][  T351]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   22.848373][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.848375][  T351]  ? 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)
[   22.848379][  T351]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   22.848384][  T351]  dev_set_allmulti (net/core/dev_api.c:315)
[   22.848387][  T351] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   22.848400][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.848406][  T351] br_del_if (net/bridge/br_if.c:732) bridge
[   22.848413][  T351]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   22.848416][  T351]  do_set_master (net/core/rtnetlink.c:3055)
[   22.848420][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.848423][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.848426][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.848428][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.848430][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.848433][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.848436][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.848438][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.848440][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.848443][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.848445][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.848447][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.848449][  T351]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.848451][  T351]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.848454][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.848456][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.848459][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848461][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.848463][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848464][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848467][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.848469][  T351]  ? __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)
[   22.848472][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.848474][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.848477][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.848479][  T351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.848483][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.848488][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.848493][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.848495][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.848499][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.848501][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.848503][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.848505][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.848508][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.848510][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.848513][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.848515][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.848519][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.848521][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.848524][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.848525][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.848528][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.848534][  T351]  ? 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))
[   22.848535][  T351]  ? 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))
[   22.848539][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.848543][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.848546][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.848549][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.848553][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.848557][  T351]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.848562][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.848564][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.848566][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.848568][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   22.848574][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   22.848577][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.848592][  T351]  __sys_sendmsg (net/socket.c:2799)
[   22.848595][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.848601][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.848604][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.848606][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.848608][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.848611][  T351] RIP: 0033:0x7efe4d45354e
[   22.848614][  T351] 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
[   22.848616][  T351] RSP: 002b:00007ffd21524530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.848619][  T351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efe4d45354e
[   22.848620][  T351] RDX: 0000000000000000 RSI: 00007ffd215245e0 RDI: 0000000000000005
[   22.848621][  T351] RBP: 00007ffd21524540 R08: 0000000000000000 R09: 0000000000000000
[   22.848622][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbdf
[   22.848623][  T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd21524ca0
| [   24.984262][  T355] softirqs last disabled at (13432): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   24.984265][  T355] Preemption disabled at:
| [   24.984266][  T355] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.984275][  T355] Tainted: [W]=WARN
[   24.984276][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.984278][  T355] Call Trace:
[   24.984280][  T355]  <TASK>
[   24.984282][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.984288][  T355]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.984290][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.984295][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.984299][  T355]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.984304][  T355]  __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))
[   24.984306][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.984312][  T355]  ? 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)
[   24.984315][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.984318][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   24.984320][  T355]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   24.984322][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.984332][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.984337][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.984339][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.984343][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.984346][  T355]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.984347][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984349][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984353][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.984355][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.984358][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984360][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.984364][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.984368][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.984370][  T355]  ? 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))
[   24.984373][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984375][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.984379][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.984383][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.984384][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984389][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.984392][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.984394][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984396][  T355]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.984399][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.984401][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.984404][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.984408][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.984411][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.984415][  T355]  _printk (kernel/printk/printk.c:2504)
[   24.984419][  T355]  ? snapshot_read.cold (user.c:?)
[   24.984423][  T355]  ? br_multicast_flood (??:?) bridge
[   24.984436][  T355]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.984438][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.984439][  T355]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.984443][  T355] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   24.984454][  T355] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   24.984462][  T355] new_nbp (net/bridge/br_if.c:449) bridge
[   24.984472][  T355] br_add_if (net/bridge/br_if.c:592) bridge
[   24.984478][  T355]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.984483][  T355]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.984486][  T355]  ? __kernel_text_address (kernel/extable.c:79)
[   24.984489][  T355]  do_set_master (net/core/rtnetlink.c:3071)
[   24.984494][  T355]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.984497][  T355]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.984500][  T355]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.984501][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.984503][  T355]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.984506][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.984509][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.984510][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.984513][  T355]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.984516][  T355]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.984518][  T355]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.984520][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984522][  T355]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   24.984525][  T355]  ? ___sys_sendmsg (net/socket.c:2757)
[   24.984530][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.984532][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.984534][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984536][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.984538][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984540][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984542][  T355]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.984546][  T355]  ? __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)
[   24.984549][  T355]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.984551][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.984554][  T355]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.984556][  T355]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.984560][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.984565][  T355]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.984571][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.984572][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984577][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.984578][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.984580][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.984582][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.984586][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.984588][  T355]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.984591][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.984592][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984596][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.984598][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.984601][  T355]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.984603][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.984606][  T355]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.984612][  T355]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.984613][  T355]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.984618][  T355]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.984621][  T355]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.984624][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.984628][  T355]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.984631][  T355]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.984635][  T355]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.984640][  T355]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.984642][  T355]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.984644][  T355]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.984646][  T355]  ? move_addr_to_kernel (net/socket.c:258)
[   24.984653][  T355]  ___sys_sendmsg (net/socket.c:2767)
[   24.984656][  T355]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.984671][  T355]  __sys_sendmsg (net/socket.c:2799)
[   24.984674][  T355]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.984680][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.984683][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.984686][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.984689][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.984691][  T355] RIP: 0033:0x7f1cac16154e
[   24.984694][  T355] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.984696][  T355] RSP: 002b:00007ffccaac1dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.984699][  T355] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1cac16154e
[   24.984700][  T355] RDX: 0000000000000000 RSI: 00007ffccaac1e80 RDI: 0000000000000005
[   24.984701][  T355] RBP: 00007ffccaac1de0 R08: 0000000000000000 R09: 0000000000000000
[   24.984702][  T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbe1
[   24.984703][  T355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccaac2540
| [   29.669902][  T408] softirqs last disabled at (12660): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   29.669905][  T408] Preemption disabled at:
| [   29.669905][  T408] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.669915][  T408] Tainted: [W]=WARN
[   29.669916][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.669917][  T408] Call Trace:
[   29.669919][  T408]  <TASK>
[   29.669921][  T408]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.669926][  T408]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.669929][  T408]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.669933][  T408]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.669937][  T408]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.669943][  T408]  __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))
[   29.669945][  T408]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.669950][  T408]  ? 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)
[   29.669953][  T408]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.669956][  T408]  put_chars (drivers/char/virtio_console.c:1176)
[   29.669959][  T408]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.669961][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.669966][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.669971][  T408]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.669977][  T408]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.669979][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.669981][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.669985][  T408]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.669989][  T408]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.669991][  T408]  ? 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))
[   29.669994][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.669996][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.670000][  T408]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.670004][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.670006][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.670011][  T408]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.670014][  T408]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.670015][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.670018][  T408]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.670021][  T408]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.670023][  T408]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.670026][  T408]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.670030][  T408]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.670032][  T408]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.670034][  T408]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.670036][  T408]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.670038][  T408]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.670040][  T408]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.670042][  T408]  ? __sys_sendmsg (net/socket.c:2799)
[   29.670044][  T408]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.670048][  T408]  _printk (kernel/printk/printk.c:2504)
[   29.670052][  T408]  ? snapshot_read.cold (user.c:?)
[   29.670056][  T408]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.670059][  T408]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.670063][  T408]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.670065][  T408]  ? netdev_notice (net/core/dev.c:13194)
[   29.670069][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.670071][  T408]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.670074][  T408]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.670075][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.670077][  T408]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.670081][  T408]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.670085][  T408]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.670089][  T408] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.670102][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.670108][  T408] br_del_if (net/bridge/br_if.c:732) bridge
[   29.670115][  T408]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.670118][  T408]  do_set_master (net/core/rtnetlink.c:3055)
[   29.670122][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.670126][  T408]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.670129][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.670130][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.670132][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.670136][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.670138][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.670140][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.670142][  T408]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.670145][  T408]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.670146][  T408]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.670149][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.670151][  T408]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.670153][  T408]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.670156][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.670158][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.670161][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.670163][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.670165][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.670166][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.670169][  T408]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.670171][  T408]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.670174][  T408]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.670176][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.670179][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.670181][  T408]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.670186][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.670191][  T408]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.670196][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.670198][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.670202][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.670204][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.670206][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.670208][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.670211][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.670213][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.670216][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.670217][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.670222][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.670224][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.670227][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.670229][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.670231][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.670237][  T408]  ? 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))
[   29.670239][  T408]  ? 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))
[   29.670243][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.670246][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.670249][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.670253][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.670256][  T408]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.670260][  T408]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.670265][  T408]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.670267][  T408]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.670270][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.670271][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   29.670278][  T408]  ___sys_sendmsg (net/socket.c:2767)
[   29.670281][  T408]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.670301][  T408]  __sys_sendmsg (net/socket.c:2799)
[   29.670304][  T408]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.670310][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.670314][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.670315][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.670318][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.670320][  T408] RIP: 0033:0x7ff3183e154e
[   29.670324][  T408] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.670325][  T408] RSP: 002b:00007ffe138e1190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.670328][  T408] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3183e154e
[   29.670330][  T408] RDX: 0000000000000000 RSI: 00007ffe138e1240 RDI: 0000000000000005
[   29.670331][  T408] RBP: 00007ffe138e11a0 R08: 0000000000000000 R09: 0000000000000000
[   29.670331][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbe5


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars