======================================
| [    9.741091][  T200] softirqs last disabled at (18499): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.741093][  T200] Preemption disabled at:
| [    9.741094][  T200] 0x0
| [    9.741104][  T200] Tainted: [W]=WARN
[    9.741105][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.741106][  T200] Call Trace:
[    9.741108][  T200]  <TASK>
[    9.741109][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.741116][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.741120][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.741124][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.741128][  T200]  __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))
[    9.741130][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.741136][  T200]  ? 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)
[    9.741139][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.741143][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[    9.741145][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.741147][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.741150][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.741156][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.741163][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.741165][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.741167][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.741171][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.741175][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.741177][  T200]  ? 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))
[    9.741180][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.741182][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.741186][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.741190][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.741191][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.741197][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.741199][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.741201][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.741203][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.741206][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.741208][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.741211][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.741214][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.741217][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.741220][  T200]  _printk (kernel/printk/printk.c:2504)
[    9.741224][  T200]  ? snapshot_read.cold (user.c:?)
[    9.741227][  T200]  ? 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)
[    9.741229][  T200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.741233][  T200]  ? 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)
[    9.741236][  T200]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.741239][  T200]  ? exit_notify (kernel/exit.c:780)
[    9.741241][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.741244][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.741247][  T200]  do_group_exit (kernel/exit.c:1151)
[    9.741250][  T200]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.741252][  T200]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.741254][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.741258][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.741261][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.741263][  T200] RIP: 0033:0x7f8e1ea371b8
[    9.741265][  T200] Code: Unable to access opcode bytes at 0x7f8e1ea3718e.

Code starting with the faulting instruction
===========================================
[    9.741266][  T200] RSP: 002b:00007ffec7b048d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.741269][  T200] RAX: ffffffffffffffda RBX: 00007f8e1eb67f88 RCX: 00007f8e1ea371b8
[    9.741270][  T200] RDX: 00007f8e1e781fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.741271][  T200] RBP: 00007ffec7b04930 R08: 0000000000000000 R09: 0000000000000050
[    9.741272][  T200] R10: 00007ffec7b046f0 R11: 0000000000000246 R12: 0000000000000001
[    9.741273][  T200] R13: 0000000000000000 R14: 00007f8e1eb66680 R15: 00007f8e1eb67fa0
| [   10.911413][  T229] softirqs last disabled at (45019): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.911415][  T229] Preemption disabled at:
| [   10.911416][  T229] 0x0
| [   10.911426][  T229] Tainted: [W]=WARN
[   10.911427][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.911428][  T229] Call Trace:
[   10.911430][  T229]  <TASK>
[   10.911436][  T229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.911443][  T229]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.911448][  T229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.911453][  T229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.911458][  T229]  __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))
[   10.911460][  T229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.911467][  T229]  ? 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)
[   10.911469][  T229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.911473][  T229]  put_chars (drivers/char/virtio_console.c:1176)
[   10.911475][  T229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.911476][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.911480][  T229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.911485][  T229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.911493][  T229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.911495][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.911497][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.911501][  T229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.911505][  T229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.911507][  T229]  ? 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))
[   10.911510][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.911512][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.911516][  T229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.911520][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.911522][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.911527][  T229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.911530][  T229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.911532][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.911533][  T229]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.911537][  T229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.911539][  T229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.911541][  T229]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.911544][  T229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.911547][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.911551][  T229]  _printk (kernel/printk/printk.c:2504)
[   10.911554][  T229]  ? snapshot_read.cold (user.c:?)
[   10.911557][  T229]  ? 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)
[   10.911560][  T229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.911563][  T229]  ? 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)
[   10.911568][  T229]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.911571][  T229]  ? exit_notify (kernel/exit.c:780)
[   10.911573][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.911576][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.911579][  T229]  do_group_exit (kernel/exit.c:1151)
[   10.911582][  T229]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.911584][  T229]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.911586][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.911590][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.911593][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.911595][  T229] RIP: 0033:0x7fc4f62091b8
[   10.911598][  T229] Code: Unable to access opcode bytes at 0x7fc4f620918e.

Code starting with the faulting instruction
===========================================
[   10.911599][  T229] RSP: 002b:00007ffcff93dcb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.911601][  T229] RAX: ffffffffffffffda RBX: 00007fc4f6339f88 RCX: 00007fc4f62091b8
[   10.911602][  T229] RDX: 00007fc4f5f53fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.911603][  T229] RBP: 00007ffcff93dd10 R08: 0000000000000000 R09: 0000000000008010
[   10.911604][  T229] R10: 00007ffcff93dad0 R11: 0000000000000246 R12: 0000000000000001
[   10.911605][  T229] R13: 0000000000000000 R14: 00007fc4f6338680 R15: 00007fc4f6339fa0
| [   12.307962][  T257] softirqs last disabled at (39046): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.307965][  T257] Preemption disabled at:
| [   12.307965][  T257] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.307974][  T257] Tainted: [W]=WARN
[   12.307975][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.307978][  T257] Call Trace:
[   12.307979][  T257]  <TASK>
[   12.307981][  T257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.307987][  T257]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.307988][  T257]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.307993][  T257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.307997][  T257]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.308001][  T257]  __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))
[   12.308003][  T257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.308010][  T257]  ? 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)
[   12.308013][  T257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.308017][  T257]  put_chars (drivers/char/virtio_console.c:1176)
[   12.308020][  T257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.308026][  T257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.308034][  T257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.308037][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.308041][  T257]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.308045][  T257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.308047][  T257]  ? 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))
[   12.308050][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308053][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.308057][  T257]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.308061][  T257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.308063][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.308068][  T257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.308071][  T257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.308073][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308075][  T257]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.308078][  T257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.308080][  T257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.308083][  T257]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.308086][  T257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.308088][  T257]  ? save_trace (kernel/locking/lockdep.c:589)
[   12.308093][  T257]  _printk (kernel/printk/printk.c:2504)
[   12.308096][  T257]  ? snapshot_read.cold (user.c:?)
[   12.308100][  T257]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.308102][  T257]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.308105][  T257]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.308108][  T257]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.308111][  T257]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.308113][  T257]  ? netdev_notice (net/core/dev.c:13194)
[   12.308116][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.308119][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.308121][  T257]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.308125][  T257]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.308127][  T257]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.308129][  T257]  ? register_netdev (net/core/dev.c:11618)
[   12.308130][  T257]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   12.308135][  T257]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.308138][  T257]  ? __kernel_text_address (kernel/extable.c:79)
[   12.308141][  T257]  ? write_profile (profile.c:?)
[   12.308145][  T257]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.308150][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.308154][  T257]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.308156][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.308157][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.308160][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.308163][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.308165][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.308167][  T257]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.308169][  T257]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.308171][  T257]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.308172][  T257]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.308173][  T257]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.308176][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.308178][  T257]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.308181][  T257]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.308184][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.308186][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.308189][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308191][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.308192][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308193][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308195][  T257]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.308197][  T257]  ? __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)
[   12.308200][  T257]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.308202][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.308205][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.308206][  T257]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.308211][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308213][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.308218][  T257]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.308224][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.308225][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.308230][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.308232][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.308233][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.308235][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.308239][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.308241][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.308244][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.308245][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.308250][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.308252][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.308255][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.308258][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.308261][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.308267][  T257]  ? 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))
[   12.308269][  T257]  ? 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))
[   12.308274][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.308278][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.308280][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.308284][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.308288][  T257]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.308292][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.308294][  T257]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.308299][  T257]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.308302][  T257]  ____sys_sendmsg (net/socket.c:2713)
[   12.308304][  T257]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.308306][  T257]  ? sock_write_iter (net/socket.c:1269)
[   12.308308][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.308315][  T257]  ___sys_sendmsg (net/socket.c:2767)
[   12.308318][  T257]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.308333][  T257]  __sys_sendmsg (net/socket.c:2799)
[   12.308336][  T257]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.308342][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.308345][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.308348][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.308351][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.308353][  T257] RIP: 0033:0x7f63748da54e
[   12.308357][  T257] 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
[   12.308359][  T257] RSP: 002b:00007ffd34d3d2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.308362][  T257] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f63748da54e
[   12.308363][  T257] RDX: 0000000000000000 RSI: 00007ffd34d3d390 RDI: 0000000000000005
[   12.308364][  T257] RBP: 00007ffd34d3d2f0 R08: 0000000000000000 R09: 0000000000000000
[   12.308365][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91068a
[   12.308366][  T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd34d3da50
| [   13.557342][  T275] softirqs last disabled at (36622): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.557346][  T275] Preemption disabled at:
| [   13.557346][  T275] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.557358][  T275] Tainted: [W]=WARN
[   13.557359][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.557361][  T275] Call Trace:
[   13.557364][  T275]  <TASK>
[   13.557366][  T275]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.557374][  T275]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.557377][  T275]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.557383][  T275]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.557389][  T275]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.557396][  T275]  __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))
[   13.557399][  T275]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.557409][  T275]  ? 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)
[   13.557412][  T275]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.557418][  T275]  put_chars (drivers/char/virtio_console.c:1176)
[   13.557422][  T275]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.557434][  T275]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.557451][  T275]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.557456][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.557464][  T275]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.557471][  T275]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.557473][  T275]  ? 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))
[   13.557479][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557483][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.557489][  T275]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.557496][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.557499][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.557509][  T275]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.557513][  T275]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.557516][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557519][  T275]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.557525][  T275]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.557528][  T275]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.557533][  T275]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.557538][  T275]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.557543][  T275]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   13.557551][  T275]  _printk (kernel/printk/printk.c:2504)
[   13.557556][  T275]  ? snapshot_read.cold (user.c:?)
[   13.557559][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.557567][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.557571][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.557575][  T275]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.557580][  T275]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.557584][  T275]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.557588][  T275]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.557593][  T275]  ? netdev_notice (net/core/dev.c:13194)
[   13.557597][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557602][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.557606][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.557612][  T275]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.557616][  T275]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.557619][  T275]  ? register_netdev (net/core/dev.c:11618)
[   13.557622][  T275]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   13.557630][  T275]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.557634][  T275]  ? __kernel_text_address (kernel/extable.c:79)
[   13.557637][  T275]  ? write_profile (profile.c:?)
[   13.557643][  T275]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.557652][  T275]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.557658][  T275]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.557662][  T275]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.557664][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.557667][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.557672][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.557675][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.557678][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.557682][  T275]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.557685][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.557687][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.557689][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.557693][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.557696][  T275]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.557700][  T275]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.557707][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.557710][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.557715][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557718][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.557720][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557722][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557725][  T275]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.557728][  T275]  ? __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)
[   13.557731][  T275]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.557734][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.557740][  T275]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.557742][  T275]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.557749][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557753][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.557763][  T275]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.557773][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.557776][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.557784][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.557787][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557790][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.557793][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.557800][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.557803][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.557808][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.557810][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.557817][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.557820][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557826][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.557831][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.557836][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.557847][  T275]  ? 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))
[   13.557850][  T275]  ? 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))
[   13.557857][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.557864][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.557868][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.557875][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.557882][  T275]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.557889][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.557891][  T275]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.557900][  T275]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.557904][  T275]  ____sys_sendmsg (net/socket.c:2713)
[   13.557908][  T275]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.557912][  T275]  ? sock_write_iter (net/socket.c:1269)
[   13.557914][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   13.557928][  T275]  ___sys_sendmsg (net/socket.c:2767)
[   13.557932][  T275]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.557962][  T275]  __sys_sendmsg (net/socket.c:2799)
[   13.557966][  T275]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.557977][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.557983][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.557987][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.557992][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.557995][  T275] RIP: 0033:0x7f263ad8d54e
[   13.557999][  T275] 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
[   13.558002][  T275] RSP: 002b:00007fff38486f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.558006][  T275] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f263ad8d54e
[   13.558008][  T275] RDX: 0000000000000000 RSI: 00007fff38486fd0 RDI: 0000000000000005
[   13.558009][  T275] RBP: 00007fff38486f30 R08: 0000000000000000 R09: 0000000000000000
[   13.558011][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91068b
[   13.558012][  T275] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff38487690
| [   18.644810][   T70] softirqs last disabled at (29726): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   18.644813][   T70] Preemption disabled at:
| [   18.644814][   T70] 0x0
| [   18.644828][   T70] Tainted: [W]=WARN
[   18.644829][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.644831][   T70] Workqueue: netns cleanup_net
[   18.644836][   T70] Call Trace:
[   18.644838][   T70]  <TASK>
[   18.644841][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.644849][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.644856][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.644861][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.644867][   T70]  __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))
[   18.644870][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.644879][   T70]  ? 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)
[   18.644882][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.644888][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   18.644892][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.644902][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.644913][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.644918][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.644925][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.644931][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.644934][   T70]  ? 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))
[   18.644939][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.644942][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.644948][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.644955][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.644957][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.644966][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.644970][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.644972][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.644975][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.644981][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.644983][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.644988][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.644993][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.644994][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.645003][   T70]  _printk (kernel/printk/printk.c:2504)
[   18.645008][   T70]  ? snapshot_read.cold (user.c:?)
[   18.645023][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.645030][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   18.645036][   T70]  br_device_event (net/bridge/br.c:111)
[   18.645039][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   18.645045][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.645056][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   18.645066][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   18.645071][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   18.645076][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   18.645082][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   18.645089][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   18.645094][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   18.645097][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.645100][   T70]  ? kthread (kernel/kthread.c:436)
[   18.645103][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   18.645107][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   18.645111][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   18.645126][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   18.645132][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   18.645137][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.645141][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   18.645148][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   18.645154][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.645159][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   18.645161][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.645166][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   18.645174][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   18.645179][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   18.645186][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.645189][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.645195][   T70]  process_one_work (kernel/workqueue.c:3387)
[   18.645208][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.645213][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.645227][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.645235][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.645238][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.645243][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.645247][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.645250][   T70]  kthread (kernel/kthread.c:436)
[   18.645253][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.645258][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.645263][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.645267][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.645273][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.645278][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.645283][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.594274][  T397] softirqs last disabled at (47560): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.594276][  T397] Preemption disabled at:
| [   22.594277][  T397] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.594286][  T397] Tainted: [W]=WARN
[   22.594286][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.594288][  T397] Call Trace:
[   22.594290][  T397]  <TASK>
[   22.594291][  T397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.594297][  T397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.594299][  T397]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.594303][  T397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.594307][  T397]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.594312][  T397]  __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))
[   22.594314][  T397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.594320][  T397]  ? 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)
[   22.594323][  T397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.594327][  T397]  put_chars (drivers/char/virtio_console.c:1176)
[   22.594329][  T397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.594335][  T397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.594343][  T397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.594346][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.594350][  T397]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.594354][  T397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.594356][  T397]  ? 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))
[   22.594359][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594361][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.594365][  T397]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.594369][  T397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.594371][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.594376][  T397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.594379][  T397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.594381][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594382][  T397]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.594386][  T397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.594388][  T397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.594390][  T397]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.594393][  T397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.594396][  T397]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.594401][  T397]  _printk (kernel/printk/printk.c:2504)
[   22.594405][  T397]  ? snapshot_read.cold (user.c:?)
[   22.594406][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.594409][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.594412][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.594414][  T397]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.594418][  T397]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.594420][  T397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.594422][  T397]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.594425][  T397]  ? netdev_notice (net/core/dev.c:13194)
[   22.594428][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.594431][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.594433][  T397]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.594437][  T397]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.594439][  T397]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.594441][  T397]  ? register_netdev (net/core/dev.c:11618)
[   22.594442][  T397]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   22.594448][  T397]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.594450][  T397]  ? __kernel_text_address (kernel/extable.c:79)
[   22.594453][  T397]  ? write_profile (profile.c:?)
[   22.594457][  T397]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.594468][  T397]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.594472][  T397]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.594474][  T397]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.594475][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.594477][  T397]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.594481][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.594482][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.594484][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.594486][  T397]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.594488][  T397]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.594490][  T397]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.594491][  T397]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.594493][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.594495][  T397]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.594498][  T397]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.594502][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.594504][  T397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.594506][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594508][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.594509][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594510][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594512][  T397]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.594514][  T397]  ? __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)
[   22.594515][  T397]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.594517][  T397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.594520][  T397]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.594521][  T397]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.594526][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594528][  T397]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.594533][  T397]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.594538][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.594540][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.594544][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.594546][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.594548][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.594550][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.594553][  T397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.594555][  T397]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.594558][  T397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.594559][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.594566][  T397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.594568][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.594571][  T397]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.594574][  T397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.594577][  T397]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.594583][  T397]  ? 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))
[   22.594585][  T397]  ? 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))
[   22.594589][  T397]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.594593][  T397]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.594596][  T397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.594600][  T397]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.594604][  T397]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.594607][  T397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.594609][  T397]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.594614][  T397]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.594617][  T397]  ____sys_sendmsg (net/socket.c:2713)
[   22.594619][  T397]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.594621][  T397]  ? sock_write_iter (net/socket.c:1269)
[   22.594623][  T397]  ? move_addr_to_kernel (net/socket.c:258)
[   22.594630][  T397]  ___sys_sendmsg (net/socket.c:2767)
[   22.594633][  T397]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.594648][  T397]  __sys_sendmsg (net/socket.c:2799)
[   22.594651][  T397]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.594657][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.594660][  T397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.594663][  T397]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.594666][  T397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.594668][  T397] RIP: 0033:0x7f19c8ff254e
[   22.594672][  T397] 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
[   22.594674][  T397] RSP: 002b:00007ffe15186d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.594677][  T397] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f19c8ff254e
[   22.594678][  T397] RDX: 0000000000000000 RSI: 00007ffe15186df0 RDI: 0000000000000005
[   22.594679][  T397] RBP: 00007ffe15186d50 R08: 0000000000000000 R09: 0000000000000000
[   22.594680][  T397] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910694
[   22.594680][  T397] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe151874b0
| [   23.611312][  T415] softirqs last disabled at (46766): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.611315][  T415] Preemption disabled at:
| [   23.611315][  T415] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.611324][  T415] Tainted: [W]=WARN
[   23.611325][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.611326][  T415] Call Trace:
[   23.611328][  T415]  <TASK>
[   23.611329][  T415]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.611335][  T415]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.611337][  T415]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.611341][  T415]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.611346][  T415]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.611350][  T415]  __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))
[   23.611352][  T415]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.611359][  T415]  ? 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)
[   23.611362][  T415]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.611365][  T415]  put_chars (drivers/char/virtio_console.c:1176)
[   23.611368][  T415]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.611374][  T415]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.611382][  T415]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.611385][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.611389][  T415]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.611394][  T415]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.611396][  T415]  ? 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))
[   23.611399][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611401][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.611405][  T415]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.611410][  T415]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.611412][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.611417][  T415]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.611420][  T415]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.611422][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611423][  T415]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.611427][  T415]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.611429][  T415]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.611431][  T415]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.611434][  T415]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.611437][  T415]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   23.611442][  T415]  _printk (kernel/printk/printk.c:2504)
[   23.611446][  T415]  ? snapshot_read.cold (user.c:?)
[   23.611448][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.611451][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.611453][  T415]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.611455][  T415]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.611459][  T415]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.611466][  T415]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.611469][  T415]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.611472][  T415]  ? netdev_notice (net/core/dev.c:13194)
[   23.611474][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.611478][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.611480][  T415]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.611484][  T415]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.611486][  T415]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.611488][  T415]  ? register_netdev (net/core/dev.c:11618)
[   23.611489][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   23.611495][  T415]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.611497][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   23.611500][  T415]  ? write_profile (profile.c:?)
[   23.611504][  T415]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.611510][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.611513][  T415]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.611515][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.611517][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.611519][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.611522][  T415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.611524][  T415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.611526][  T415]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.611528][  T415]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.611530][  T415]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.611531][  T415]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.611533][  T415]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.611535][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.611537][  T415]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.611540][  T415]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.611544][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.611546][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.611549][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611551][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.611552][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611553][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611555][  T415]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.611557][  T415]  ? __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)
[   23.611558][  T415]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.611560][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.611563][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.611567][  T415]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.611572][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611575][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.611580][  T415]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.611585][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.611587][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.611591][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.611593][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.611595][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.611597][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.611601][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.611603][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.611606][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.611607][  T415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.611612][  T415]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.611614][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.611617][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.611620][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.611623][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.611630][  T415]  ? 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))
[   23.611632][  T415]  ? 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))
[   23.611636][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.611640][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.611643][  T415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.611647][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.611651][  T415]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.611655][  T415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.611656][  T415]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.611662][  T415]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.611665][  T415]  ____sys_sendmsg (net/socket.c:2713)
[   23.611667][  T415]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.611669][  T415]  ? sock_write_iter (net/socket.c:1269)
[   23.611671][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   23.611678][  T415]  ___sys_sendmsg (net/socket.c:2767)
[   23.611681][  T415]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.611697][  T415]  __sys_sendmsg (net/socket.c:2799)
[   23.611699][  T415]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.611706][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.611709][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.611712][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.611715][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.611717][  T415] RIP: 0033:0x7f513865654e
[   23.611721][  T415] 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
[   23.611723][  T415] RSP: 002b:00007ffc5263f740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.611726][  T415] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f513865654e
[   23.611727][  T415] RDX: 0000000000000000 RSI: 00007ffc5263f7f0 RDI: 0000000000000005
[   23.611728][  T415] RBP: 00007ffc5263f750 R08: 0000000000000000 R09: 0000000000000000
[   23.611729][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910695
[   23.611730][  T415] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5263feb0
| [   28.544961][   T70] softirqs last disabled at (194398): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   28.544964][   T70] Preemption disabled at:
| [   28.544964][   T70] 0x0
| [   28.544975][   T70] Tainted: [W]=WARN
[   28.544976][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.544978][   T70] Workqueue: netns cleanup_net
[   28.544981][   T70] Call Trace:
[   28.544983][   T70]  <TASK>
[   28.544984][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.544991][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.544995][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.545000][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.545004][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.545006][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.545013][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.545016][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.545020][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   28.545022][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.545029][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.545036][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.545040][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.545044][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.545048][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.545050][   T70]  ? 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))
[   28.545053][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.545056][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.545060][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.545065][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.545067][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.545072][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.545075][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.545077][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.545079][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.545083][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.545084][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.545087][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.545090][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.545092][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.545094][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.545096][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.545101][   T70]  _printk (kernel/printk/printk.c:2504)
[   28.545105][   T70]  ? snapshot_read.cold (user.c:?)
[   28.545113][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.545117][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   28.545121][   T70]  br_device_event (net/bridge/br.c:111)
[   28.545123][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   28.545127][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.545133][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   28.545139][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   28.545142][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   28.545146][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   28.545149][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   28.545153][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   28.545156][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   28.545158][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.545160][   T70]  ? kthread (kernel/kthread.c:436)
[   28.545162][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   28.545165][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   28.545168][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   28.545175][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   28.545179][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   28.545181][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.545184][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   28.545188][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   28.545192][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.545195][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   28.545196][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.545199][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   28.545204][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   28.545207][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   28.545211][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.545213][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.545216][   T70]  process_one_work (kernel/workqueue.c:3387)
[   28.545223][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.545226][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.545234][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.545238][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.545240][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.545243][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.545246][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.545248][   T70]  kthread (kernel/kthread.c:436)
[   28.545250][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.545253][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.545256][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.545259][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.545262][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.545266][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.545269][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   31.579247][  T522] softirqs last disabled at (47738): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.579249][  T522] Preemption disabled at:
| [   31.579250][  T522] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.579258][  T522] Tainted: [W]=WARN
[   31.579259][  T522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.579260][  T522] Call Trace:
[   31.579262][  T522]  <TASK>
[   31.579264][  T522]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.579269][  T522]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.579271][  T522]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.579276][  T522]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.579280][  T522]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.579284][  T522]  __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))
[   31.579286][  T522]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.579292][  T522]  ? 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)
[   31.579295][  T522]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.579299][  T522]  put_chars (drivers/char/virtio_console.c:1176)
[   31.579302][  T522]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.579308][  T522]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.579316][  T522]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.579319][  T522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.579323][  T522]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.579327][  T522]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.579329][  T522]  ? 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))
[   31.579332][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579335][  T522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.579339][  T522]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.579343][  T522]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.579344][  T522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.579350][  T522]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.579352][  T522]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.579354][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579356][  T522]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   31.579359][  T522]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.579361][  T522]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.579364][  T522]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.579367][  T522]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.579370][  T522]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   31.579375][  T522]  _printk (kernel/printk/printk.c:2504)
[   31.579378][  T522]  ? snapshot_read.cold (user.c:?)
[   31.579380][  T522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.579383][  T522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.579386][  T522]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.579388][  T522]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.579391][  T522]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.579394][  T522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.579396][  T522]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.579399][  T522]  ? netdev_notice (net/core/dev.c:13194)
[   31.579402][  T522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.579405][  T522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.579408][  T522]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.579411][  T522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.579413][  T522]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.579415][  T522]  ? register_netdev (net/core/dev.c:11618)
[   31.579417][  T522]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   31.579422][  T522]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.579424][  T522]  ? __kernel_text_address (kernel/extable.c:79)
[   31.579427][  T522]  ? write_profile (profile.c:?)
[   31.579431][  T522]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.579437][  T522]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.579440][  T522]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.579442][  T522]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.579444][  T522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.579446][  T522]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.579449][  T522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.579451][  T522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.579453][  T522]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.579455][  T522]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.579457][  T522]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.579458][  T522]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.579460][  T522]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.579462][  T522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.579464][  T522]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.579467][  T522]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.579471][  T522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.579473][  T522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.579475][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579477][  T522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.579484][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579485][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579486][  T522]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.579489][  T522]  ? __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)
[   31.579490][  T522]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.579492][  T522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.579495][  T522]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.579496][  T522]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.579501][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579504][  T522]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.579509][  T522]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.579514][  T522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.579516][  T522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.579520][  T522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.579522][  T522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.579524][  T522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.579526][  T522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.579529][  T522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.579531][  T522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.579534][  T522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.579536][  T522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.579540][  T522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.579542][  T522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.579545][  T522]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.579548][  T522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.579551][  T522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.579557][  T522]  ? 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))
[   31.579559][  T522]  ? 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))
[   31.579566][  T522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.579570][  T522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.579573][  T522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.579577][  T522]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.579581][  T522]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.579585][  T522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.579586][  T522]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.579591][  T522]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.579594][  T522]  ____sys_sendmsg (net/socket.c:2713)
[   31.579596][  T522]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.579599][  T522]  ? sock_write_iter (net/socket.c:1269)
[   31.579600][  T522]  ? move_addr_to_kernel (net/socket.c:258)
[   31.579607][  T522]  ___sys_sendmsg (net/socket.c:2767)
[   31.579610][  T522]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.579626][  T522]  __sys_sendmsg (net/socket.c:2799)
[   31.579628][  T522]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.579634][  T522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.579637][  T522]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.579640][  T522]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.579643][  T522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.579645][  T522] RIP: 0033:0x7f6d941a854e
[   31.579649][  T522] 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
[   31.579651][  T522] RSP: 002b:00007ffc0cd09b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.579654][  T522] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6d941a854e
[   31.579655][  T522] RDX: 0000000000000000 RSI: 00007ffc0cd09bd0 RDI: 0000000000000005
[   31.579656][  T522] RBP: 00007ffc0cd09b30 R08: 0000000000000000 R09: 0000000000000000
[   31.579657][  T522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91069d
[   31.579657][  T522] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0cd0a290
| [   37.538892][  T582] softirqs last disabled at (39768): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.538895][  T582] Preemption disabled at:
| [   37.538896][  T582] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.538904][  T582] Tainted: [W]=WARN
[   37.538905][  T582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.538907][  T582] Call Trace:
[   37.538909][  T582]  <TASK>
[   37.538910][  T582]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.538917][  T582]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.538918][  T582]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.538923][  T582]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.538927][  T582]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.538931][  T582]  __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))
[   37.538933][  T582]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.538940][  T582]  ? 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)
[   37.538943][  T582]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.538946][  T582]  put_chars (drivers/char/virtio_console.c:1176)
[   37.538949][  T582]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.538955][  T582]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.538963][  T582]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.538966][  T582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.538971][  T582]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.538975][  T582]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.538977][  T582]  ? 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))
[   37.538980][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.538982][  T582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.538986][  T582]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.538991][  T582]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.538993][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.538998][  T582]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.539001][  T582]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.539003][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.539004][  T582]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   37.539008][  T582]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.539010][  T582]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.539012][  T582]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.539016][  T582]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.539017][  T582]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   37.539019][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.539021][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.539025][  T582]  _printk (kernel/printk/printk.c:2504)
[   37.539029][  T582]  ? snapshot_read.cold (user.c:?)
[   37.539030][  T582]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.539033][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.539036][  T582]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.539038][  T582]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.539042][  T582]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.539044][  T582]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.539047][  T582]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.539049][  T582]  ? netdev_notice (net/core/dev.c:13194)
[   37.539052][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.539055][  T582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.539057][  T582]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.539061][  T582]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.539063][  T582]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.539066][  T582]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   37.539070][  T582]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.539074][  T582]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.539080][  T582]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.539083][  T582]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.539087][  T582]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.539088][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.539090][  T582]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.539093][  T582]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.539095][  T582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.539097][  T582]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.539099][  T582]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.539101][  T582]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.539102][  T582]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.539104][  T582]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.539106][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.539108][  T582]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.539111][  T582]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.539115][  T582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.539117][  T582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.539119][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.539121][  T582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.539122][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.539123][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.539125][  T582]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.539127][  T582]  ? __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)
[   37.539130][  T582]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.539132][  T582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.539136][  T582]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.539137][  T582]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.539142][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.539144][  T582]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.539150][  T582]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.539155][  T582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.539157][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.539161][  T582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.539163][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.539165][  T582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.539167][  T582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.539171][  T582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.539173][  T582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.539176][  T582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.539177][  T582]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.539182][  T582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.539184][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.539187][  T582]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.539190][  T582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.539193][  T582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.539199][  T582]  ? 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))
[   37.539202][  T582]  ? 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))
[   37.539206][  T582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.539210][  T582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.539213][  T582]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.539217][  T582]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.539221][  T582]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.539225][  T582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.539227][  T582]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.539232][  T582]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.539235][  T582]  ____sys_sendmsg (net/socket.c:2713)
[   37.539237][  T582]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.539239][  T582]  ? sock_write_iter (net/socket.c:1269)
[   37.539241][  T582]  ? move_addr_to_kernel (net/socket.c:258)
[   37.539248][  T582]  ___sys_sendmsg (net/socket.c:2767)
[   37.539251][  T582]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.539268][  T582]  __sys_sendmsg (net/socket.c:2799)
[   37.539270][  T582]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.539277][  T582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.539280][  T582]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.539283][  T582]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.539286][  T582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.539288][  T582] RIP: 0033:0x7fb5fa92b54e
[   37.539292][  T582] 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
[   37.539294][  T582] RSP: 002b:00007fff436097a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.539297][  T582] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb5fa92b54e
[   37.539298][  T582] RDX: 0000000000000000 RSI: 00007fff43609850 RDI: 0000000000000005
[   37.539299][  T582] RBP: 00007fff436097b0 R08: 0000000000000000 R09: 0000000000000000
[   37.539300][  T582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106a3
[   37.539300][  T582] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff43609f10
| [   38.728342][  T629] softirqs last disabled at (44786): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.728345][  T629] Preemption disabled at:
| [   38.728346][  T629] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.728354][  T629] Tainted: [W]=WARN
[   38.728355][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.728357][  T629] Call Trace:
[   38.728359][  T629]  <TASK>
[   38.728360][  T629]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.728366][  T629]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.728368][  T629]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.728372][  T629]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.728376][  T629]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.728381][  T629]  __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))
[   38.728383][  T629]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.728389][  T629]  ? 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)
[   38.728392][  T629]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.728396][  T629]  put_chars (drivers/char/virtio_console.c:1176)
[   38.728399][  T629]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.728406][  T629]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.728414][  T629]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.728417][  T629]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.728422][  T629]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.728426][  T629]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.728428][  T629]  ? 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))
[   38.728432][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728434][  T629]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.728438][  T629]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.728444][  T629]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.728447][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.728452][  T629]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.728455][  T629]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.728457][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728459][  T629]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.728465][  T629]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.728468][  T629]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.728472][  T629]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.728477][  T629]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.728480][  T629]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   38.728483][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.728486][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.728490][  T629]  _printk (kernel/printk/printk.c:2504)
[   38.728500][  T629]  ? snapshot_read.cold (user.c:?)
[   38.728502][  T629]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.728504][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.728507][  T629]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.728509][  T629]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.728513][  T629]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.728516][  T629]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.728519][  T629]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.728522][  T629]  ? netdev_notice (net/core/dev.c:13194)
[   38.728525][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.728527][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.728530][  T629]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.728534][  T629]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.728536][  T629]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.728539][  T629]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   38.728543][  T629]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.728547][  T629]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.728553][  T629]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.728556][  T629]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.728560][  T629]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.728561][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.728563][  T629]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.728569][  T629]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.728571][  T629]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.728573][  T629]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.728575][  T629]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.728577][  T629]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.728579][  T629]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.728580][  T629]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.728582][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.728584][  T629]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.728587][  T629]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.728592][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.728594][  T629]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.728596][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728598][  T629]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.728600][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728601][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728602][  T629]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.728605][  T629]  ? __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)
[   38.728608][  T629]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.728610][  T629]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.728613][  T629]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.728614][  T629]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.728619][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728622][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.728627][  T629]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.728632][  T629]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.728634][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.728639][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.728641][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.728643][  T629]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.728645][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.728648][  T629]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.728651][  T629]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.728656][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.728658][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.728665][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.728667][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.728670][  T629]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.728673][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.728676][  T629]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.728683][  T629]  ? 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))
[   38.728685][  T629]  ? 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))
[   38.728690][  T629]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.728694][  T629]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.728696][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.728701][  T629]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.728705][  T629]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.728709][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.728710][  T629]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.728716][  T629]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.728719][  T629]  ____sys_sendmsg (net/socket.c:2713)
[   38.728721][  T629]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.728724][  T629]  ? sock_write_iter (net/socket.c:1269)
[   38.728725][  T629]  ? move_addr_to_kernel (net/socket.c:258)
[   38.728733][  T629]  ___sys_sendmsg (net/socket.c:2767)
[   38.728736][  T629]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.728752][  T629]  __sys_sendmsg (net/socket.c:2799)
[   38.728755][  T629]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.728761][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.728764][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.728767][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.728770][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.728773][  T629] RIP: 0033:0x7fd27c94b54e
[   38.728776][  T629] 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
[   38.728778][  T629] RSP: 002b:00007fff04a7e430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.728781][  T629] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd27c94b54e
[   38.728783][  T629] RDX: 0000000000000000 RSI: 00007fff04a7e4e0 RDI: 0000000000000005
[   38.728783][  T629] RBP: 00007fff04a7e440 R08: 0000000000000000 R09: 0000000000000000
[   38.728784][  T629] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106a5
[   38.728785][  T629] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff04a7eba0
| [   40.037264][  T676] softirqs last disabled at (40634): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.037266][  T676] Preemption disabled at:
| [   40.037267][  T676] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.037276][  T676] Tainted: [W]=WARN
[   40.037277][  T676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.037278][  T676] Call Trace:
[   40.037280][  T676]  <TASK>
[   40.037281][  T676]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.037287][  T676]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.037289][  T676]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.037293][  T676]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.037298][  T676]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.037302][  T676]  __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))
[   40.037304][  T676]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.037310][  T676]  ? 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)
[   40.037313][  T676]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.037317][  T676]  put_chars (drivers/char/virtio_console.c:1176)
[   40.037319][  T676]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.037325][  T676]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.037333][  T676]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.037336][  T676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.037341][  T676]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.037344][  T676]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.037346][  T676]  ? 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))
[   40.037349][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037352][  T676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.037356][  T676]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.037360][  T676]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.037362][  T676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.037367][  T676]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.037370][  T676]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.037372][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037374][  T676]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.037377][  T676]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.037379][  T676]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.037382][  T676]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.037385][  T676]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.037386][  T676]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.037388][  T676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.037390][  T676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.037394][  T676]  _printk (kernel/printk/printk.c:2504)
[   40.037398][  T676]  ? snapshot_read.cold (user.c:?)
[   40.037399][  T676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.037402][  T676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.037404][  T676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.037407][  T676]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.037411][  T676]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.037413][  T676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.037416][  T676]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.037418][  T676]  ? netdev_notice (net/core/dev.c:13194)
[   40.037421][  T676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.037424][  T676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.037426][  T676]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.037430][  T676]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.037432][  T676]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.037434][  T676]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   40.037438][  T676]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.037442][  T676]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.037448][  T676]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.037452][  T676]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.037455][  T676]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.037456][  T676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.037458][  T676]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.037462][  T676]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.037464][  T676]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.037465][  T676]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.037468][  T676]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.037470][  T676]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.037471][  T676]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.037472][  T676]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   40.037474][  T676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.037476][  T676]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   40.037479][  T676]  ? ___sys_sendmsg (net/socket.c:2758)
[   40.037483][  T676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.037485][  T676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.037488][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037489][  T676]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.037491][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037492][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037493][  T676]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.037496][  T676]  ? __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)
[   40.037505][  T676]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.037508][  T676]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.037511][  T676]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.037512][  T676]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.037517][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037519][  T676]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.037524][  T676]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.037530][  T676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.037531][  T676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.037536][  T676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.037538][  T676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.037540][  T676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.037541][  T676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.037545][  T676]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.037547][  T676]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.037550][  T676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.037551][  T676]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.037556][  T676]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.037558][  T676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.037561][  T676]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.037566][  T676]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.037569][  T676]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.037575][  T676]  ? 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))
[   40.037577][  T676]  ? 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))
[   40.037582][  T676]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.037586][  T676]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.037588][  T676]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.037592][  T676]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.037596][  T676]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.037600][  T676]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.037602][  T676]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.037607][  T676]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.037610][  T676]  ____sys_sendmsg (net/socket.c:2713)
[   40.037612][  T676]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.037614][  T676]  ? sock_write_iter (net/socket.c:1269)
[   40.037616][  T676]  ? move_addr_to_kernel (net/socket.c:258)
[   40.037623][  T676]  ___sys_sendmsg (net/socket.c:2767)
[   40.037626][  T676]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.037641][  T676]  __sys_sendmsg (net/socket.c:2799)
[   40.037644][  T676]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.037650][  T676]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.037653][  T676]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.037656][  T676]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.037659][  T676]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.037661][  T676] RIP: 0033:0x7f2b5a5ae54e
[   40.037665][  T676] 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
[   40.037667][  T676] RSP: 002b:00007ffcb37bb690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.037670][  T676] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2b5a5ae54e
[   40.037671][  T676] RDX: 0000000000000000 RSI: 00007ffcb37bb740 RDI: 0000000000000005
[   40.037672][  T676] RBP: 00007ffcb37bb6a0 R08: 0000000000000000 R09: 0000000000000000
[   40.037673][  T676] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106a6
[   40.037674][  T676] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb37bbe00
| [   41.219737][  T723] softirqs last disabled at (43040): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   41.219740][  T723] Preemption disabled at:
| [   41.219740][  T723] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.219749][  T723] Tainted: [W]=WARN
[   41.219750][  T723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.219751][  T723] Call Trace:
[   41.219753][  T723]  <TASK>
[   41.219754][  T723]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.219760][  T723]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.219761][  T723]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.219766][  T723]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.219770][  T723]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.219774][  T723]  __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))
[   41.219776][  T723]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.219782][  T723]  ? 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)
[   41.219785][  T723]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.219788][  T723]  put_chars (drivers/char/virtio_console.c:1176)
[   41.219791][  T723]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.219797][  T723]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.219805][  T723]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.219808][  T723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.219812][  T723]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.219816][  T723]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.219818][  T723]  ? 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))
[   41.219821][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.219824][  T723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.219827][  T723]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.219832][  T723]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.219833][  T723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.219839][  T723]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.219841][  T723]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.219843][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.219845][  T723]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.219848][  T723]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.219850][  T723]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.219853][  T723]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.219856][  T723]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.219857][  T723]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.219859][  T723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.219861][  T723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.219865][  T723]  _printk (kernel/printk/printk.c:2504)
[   41.219868][  T723]  ? snapshot_read.cold (user.c:?)
[   41.219870][  T723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.219873][  T723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.219876][  T723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.219878][  T723]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.219882][  T723]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.219884][  T723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.219887][  T723]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.219889][  T723]  ? netdev_notice (net/core/dev.c:13194)
[   41.219892][  T723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.219895][  T723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.219897][  T723]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.219901][  T723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.219903][  T723]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   41.219906][  T723]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   41.219909][  T723]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   41.219914][  T723]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.219919][  T723]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.219922][  T723]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.219926][  T723]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.219927][  T723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.219929][  T723]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.219933][  T723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.219934][  T723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.219936][  T723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.219939][  T723]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.219940][  T723]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.219942][  T723]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.219943][  T723]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.219945][  T723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.219947][  T723]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   41.219950][  T723]  ? ___sys_sendmsg (net/socket.c:2758)
[   41.219954][  T723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.219956][  T723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.219958][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.219960][  T723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.219961][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.219962][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.219964][  T723]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.219966][  T723]  ? __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)
[   41.219969][  T723]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.219971][  T723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.219974][  T723]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.219975][  T723]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.219980][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.219982][  T723]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.219987][  T723]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.219992][  T723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.219994][  T723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.219999][  T723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.220000][  T723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.220002][  T723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.220004][  T723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.220008][  T723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.220010][  T723]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.220013][  T723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.220014][  T723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.220018][  T723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.220020][  T723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.220024][  T723]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.220027][  T723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.220030][  T723]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.220036][  T723]  ? 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))
[   41.220038][  T723]  ? 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))
[   41.220042][  T723]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.220046][  T723]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.220049][  T723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.220053][  T723]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.220057][  T723]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.220060][  T723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.220062][  T723]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.220067][  T723]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.220070][  T723]  ____sys_sendmsg (net/socket.c:2713)
[   41.220072][  T723]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.220075][  T723]  ? sock_write_iter (net/socket.c:1269)
[   41.220076][  T723]  ? move_addr_to_kernel (net/socket.c:258)
[   41.220083][  T723]  ___sys_sendmsg (net/socket.c:2767)
[   41.220086][  T723]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.220101][  T723]  __sys_sendmsg (net/socket.c:2799)
[   41.220104][  T723]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.220110][  T723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.220113][  T723]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.220116][  T723]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.220118][  T723]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.220121][  T723] RIP: 0033:0x7f3ac61ee54e
[   41.220124][  T723] 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
[   41.220126][  T723] RSP: 002b:00007ffe51fe9e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.220129][  T723] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3ac61ee54e
[   41.220130][  T723] RDX: 0000000000000000 RSI: 00007ffe51fe9f30 RDI: 0000000000000005
[   41.220131][  T723] RBP: 00007ffe51fe9e90 R08: 0000000000000000 R09: 0000000000000000
[   41.220132][  T723] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106a7
[   41.220133][  T723] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe51fea5f0
| [   44.270367][  T820] softirqs last disabled at (40426): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.270370][  T820] Preemption disabled at:
| [   44.270370][  T820] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.270379][  T820] Tainted: [W]=WARN
[   44.270380][  T820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.270382][  T820] Call Trace:
[   44.270383][  T820]  <TASK>
[   44.270385][  T820]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.270391][  T820]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.270392][  T820]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.270397][  T820]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.270401][  T820]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.270406][  T820]  __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))
[   44.270408][  T820]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.270414][  T820]  ? 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)
[   44.270417][  T820]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.270421][  T820]  put_chars (drivers/char/virtio_console.c:1176)
[   44.270423][  T820]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.270430][  T820]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.270438][  T820]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.270441][  T820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.270447][  T820]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.270452][  T820]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.270454][  T820]  ? 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))
[   44.270457][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270460][  T820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.270464][  T820]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.270468][  T820]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.270470][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.270475][  T820]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.270478][  T820]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.270480][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270482][  T820]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   44.270486][  T820]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.270487][  T820]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.270490][  T820]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.270493][  T820]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.270496][  T820]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   44.270501][  T820]  _printk (kernel/printk/printk.c:2504)
[   44.270505][  T820]  ? snapshot_read.cold (user.c:?)
[   44.270507][  T820]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.270515][  T820]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.270518][  T820]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.270520][  T820]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.270524][  T820]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.270527][  T820]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.270529][  T820]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.270532][  T820]  ? netdev_notice (net/core/dev.c:13194)
[   44.270534][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.270538][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.270540][  T820]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.270544][  T820]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.270546][  T820]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.270548][  T820]  ? register_netdev (net/core/dev.c:11618)
[   44.270550][  T820]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   44.270555][  T820]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.270557][  T820]  ? __kernel_text_address (kernel/extable.c:79)
[   44.270560][  T820]  ? write_profile (profile.c:?)
[   44.270567][  T820]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.270573][  T820]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.270576][  T820]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.270578][  T820]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.270580][  T820]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.270582][  T820]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.270585][  T820]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.270587][  T820]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.270589][  T820]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.270591][  T820]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.270593][  T820]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.270594][  T820]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.270595][  T820]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.270598][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.270600][  T820]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   44.270603][  T820]  ? ___sys_sendmsg (net/socket.c:2758)
[   44.270607][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.270609][  T820]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.270611][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270613][  T820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.270615][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270616][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270617][  T820]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.270620][  T820]  ? __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)
[   44.270621][  T820]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.270623][  T820]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.270626][  T820]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.270628][  T820]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.270632][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270635][  T820]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.270640][  T820]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.270645][  T820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.270647][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.270652][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.270654][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.270655][  T820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.270657][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.270661][  T820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.270663][  T820]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.270666][  T820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.270668][  T820]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.270672][  T820]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.270674][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.270678][  T820]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.270681][  T820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.270684][  T820]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.270690][  T820]  ? 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))
[   44.270692][  T820]  ? 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))
[   44.270697][  T820]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.270701][  T820]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.270703][  T820]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.270708][  T820]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.270712][  T820]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.270715][  T820]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.270717][  T820]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.270722][  T820]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.270725][  T820]  ____sys_sendmsg (net/socket.c:2713)
[   44.270727][  T820]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.270730][  T820]  ? sock_write_iter (net/socket.c:1269)
[   44.270731][  T820]  ? move_addr_to_kernel (net/socket.c:258)
[   44.270739][  T820]  ___sys_sendmsg (net/socket.c:2767)
[   44.270741][  T820]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.270757][  T820]  __sys_sendmsg (net/socket.c:2799)
[   44.270760][  T820]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.270766][  T820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.270769][  T820]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.270772][  T820]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.270775][  T820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.270778][  T820] RIP: 0033:0x7fbf4029d54e
[   44.270782][  T820] 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
[   44.270784][  T820] RSP: 002b:00007ffc7591a680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.270786][  T820] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbf4029d54e
[   44.270788][  T820] RDX: 0000000000000000 RSI: 00007ffc7591a730 RDI: 0000000000000005
[   44.270789][  T820] RBP: 00007ffc7591a690 R08: 0000000000000000 R09: 0000000000000000
[   44.270790][  T820] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106aa
[   44.270790][  T820] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7591adf0
| [   52.242445][  T922] softirqs last disabled at (47534): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.242448][  T922] Preemption disabled at:
| [   52.242449][  T922] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.242457][  T922] Tainted: [W]=WARN
[   52.242458][  T922] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.242460][  T922] Call Trace:
[   52.242462][  T922]  <TASK>
[   52.242464][  T922]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.242469][  T922]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.242471][  T922]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.242476][  T922]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.242480][  T922]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.242485][  T922]  __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))
[   52.242486][  T922]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.242493][  T922]  ? 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)
[   52.242496][  T922]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.242500][  T922]  put_chars (drivers/char/virtio_console.c:1176)
[   52.242502][  T922]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.242508][  T922]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.242516][  T922]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.242519][  T922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.242523][  T922]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.242533][  T922]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.242535][  T922]  ? 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))
[   52.242538][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242541][  T922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.242545][  T922]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.242549][  T922]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.242551][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.242557][  T922]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.242559][  T922]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.242561][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242563][  T922]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.242569][  T922]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.242571][  T922]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.242574][  T922]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.242577][  T922]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.242579][  T922]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   52.242585][  T922]  _printk (kernel/printk/printk.c:2504)
[   52.242588][  T922]  ? snapshot_read.cold (user.c:?)
[   52.242590][  T922]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.242592][  T922]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.242595][  T922]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.242597][  T922]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.242601][  T922]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.242604][  T922]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.242606][  T922]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.242609][  T922]  ? netdev_notice (net/core/dev.c:13194)
[   52.242611][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.242614][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.242617][  T922]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.242620][  T922]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.242622][  T922]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.242624][  T922]  ? register_netdev (net/core/dev.c:11618)
[   52.242626][  T922]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   52.242631][  T922]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.242634][  T922]  ? __kernel_text_address (kernel/extable.c:79)
[   52.242636][  T922]  ? write_profile (profile.c:?)
[   52.242640][  T922]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.242646][  T922]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.242650][  T922]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.242652][  T922]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.242653][  T922]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.242655][  T922]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.242658][  T922]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.242660][  T922]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.242662][  T922]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.242664][  T922]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.242666][  T922]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.242667][  T922]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.242668][  T922]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.242671][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.242673][  T922]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   52.242676][  T922]  ? ___sys_sendmsg (net/socket.c:2758)
[   52.242679][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.242681][  T922]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.242684][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242686][  T922]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.242687][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242688][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242690][  T922]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.242692][  T922]  ? __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)
[   52.242693][  T922]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.242695][  T922]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.242699][  T922]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.242700][  T922]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.242704][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242707][  T922]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.242712][  T922]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.242717][  T922]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.242719][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.242723][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.242725][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.242727][  T922]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.242729][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.242733][  T922]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.242735][  T922]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.242738][  T922]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.242739][  T922]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.242743][  T922]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.242745][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.242749][  T922]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.242752][  T922]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.242755][  T922]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.242761][  T922]  ? 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))
[   52.242763][  T922]  ? 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))
[   52.242767][  T922]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.242771][  T922]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.242774][  T922]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.242778][  T922]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.242782][  T922]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.242786][  T922]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.242787][  T922]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.242793][  T922]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.242795][  T922]  ____sys_sendmsg (net/socket.c:2713)
[   52.242798][  T922]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.242800][  T922]  ? sock_write_iter (net/socket.c:1269)
[   52.242802][  T922]  ? move_addr_to_kernel (net/socket.c:258)
[   52.242809][  T922]  ___sys_sendmsg (net/socket.c:2767)
[   52.242812][  T922]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.242827][  T922]  __sys_sendmsg (net/socket.c:2799)
[   52.242830][  T922]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.242836][  T922]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.242839][  T922]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.242842][  T922]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.242845][  T922]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.242847][  T922] RIP: 0033:0x7f544634a54e
[   52.242851][  T922] 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
[   52.242853][  T922] RSP: 002b:00007ffcc6f5cbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.242855][  T922] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f544634a54e
[   52.242857][  T922] RDX: 0000000000000000 RSI: 00007ffcc6f5cca0 RDI: 0000000000000005
[   52.242858][  T922] RBP: 00007ffcc6f5cc00 R08: 0000000000000000 R09: 0000000000000000
[   52.242859][  T922] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106b2
[   52.242859][  T922] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc6f5d360
| [   59.954186][ T1032] softirqs last disabled at (47630): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   59.954188][ T1032] Preemption disabled at:
| [   59.954189][ T1032] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.954198][ T1032] Tainted: [W]=WARN
[   59.954199][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.954201][ T1032] Call Trace:
[   59.954203][ T1032]  <TASK>
[   59.954204][ T1032]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.954210][ T1032]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.954212][ T1032]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.954216][ T1032]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.954221][ T1032]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.954225][ T1032]  __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))
[   59.954227][ T1032]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.954234][ T1032]  ? 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)
[   59.954236][ T1032]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.954240][ T1032]  put_chars (drivers/char/virtio_console.c:1176)
[   59.954243][ T1032]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.954249][ T1032]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.954257][ T1032]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.954260][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.954264][ T1032]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.954268][ T1032]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.954270][ T1032]  ? 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))
[   59.954273][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954276][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.954280][ T1032]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.954284][ T1032]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.954286][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.954292][ T1032]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.954294][ T1032]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.954296][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954298][ T1032]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   59.954301][ T1032]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.954303][ T1032]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.954306][ T1032]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.954309][ T1032]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.954312][ T1032]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   59.954317][ T1032]  _printk (kernel/printk/printk.c:2504)
[   59.954320][ T1032]  ? snapshot_read.cold (user.c:?)
[   59.954322][ T1032]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.954324][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.954327][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.954329][ T1032]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.954333][ T1032]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.954336][ T1032]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.954338][ T1032]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.954341][ T1032]  ? netdev_notice (net/core/dev.c:13194)
[   59.954343][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.954346][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.954349][ T1032]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.954352][ T1032]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.954354][ T1032]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   59.954357][ T1032]  ? register_netdev (net/core/dev.c:11618)
[   59.954358][ T1032]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   59.954363][ T1032]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   59.954366][ T1032]  ? __kernel_text_address (kernel/extable.c:79)
[   59.954369][ T1032]  ? write_profile (profile.c:?)
[   59.954373][ T1032]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.954378][ T1032]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.954382][ T1032]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.954384][ T1032]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.954385][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.954387][ T1032]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.954390][ T1032]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.954392][ T1032]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.954394][ T1032]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.954396][ T1032]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.954398][ T1032]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.954400][ T1032]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.954401][ T1032]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.954403][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.954405][ T1032]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   59.954408][ T1032]  ? ___sys_sendmsg (net/socket.c:2758)
[   59.954412][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.954414][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.954417][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954418][ T1032]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.954420][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954421][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954423][ T1032]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.954425][ T1032]  ? __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)
[   59.954426][ T1032]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.954428][ T1032]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.954431][ T1032]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.954432][ T1032]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.954438][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954440][ T1032]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.954446][ T1032]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.954451][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.954453][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.954457][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.954459][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.954461][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.954463][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.954467][ T1032]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.954469][ T1032]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.954472][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.954473][ T1032]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.954477][ T1032]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.954479][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.954483][ T1032]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.954486][ T1032]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.954489][ T1032]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.954495][ T1032]  ? 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))
[   59.954497][ T1032]  ? 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))
[   59.954502][ T1032]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.954506][ T1032]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.954508][ T1032]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.954512][ T1032]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.954516][ T1032]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.954520][ T1032]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.954522][ T1032]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   59.954527][ T1032]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   59.954530][ T1032]  ____sys_sendmsg (net/socket.c:2713)
[   59.954532][ T1032]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.954534][ T1032]  ? sock_write_iter (net/socket.c:1269)
[   59.954536][ T1032]  ? move_addr_to_kernel (net/socket.c:258)
[   59.954548][ T1032]  ___sys_sendmsg (net/socket.c:2767)
[   59.954551][ T1032]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.954570][ T1032]  __sys_sendmsg (net/socket.c:2799)
[   59.954573][ T1032]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.954580][ T1032]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.954583][ T1032]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.954586][ T1032]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.954589][ T1032]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.954591][ T1032] RIP: 0033:0x7fac956ed54e
[   59.954594][ T1032] 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
[   59.954596][ T1032] RSP: 002b:00007ffd0b561410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.954599][ T1032] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fac956ed54e
[   59.954600][ T1032] RDX: 0000000000000000 RSI: 00007ffd0b5614c0 RDI: 0000000000000005
[   59.954601][ T1032] RBP: 00007ffd0b561420 R08: 0000000000000000 R09: 0000000000000000
[   59.954602][ T1032] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106ba
[   59.954603][ T1032] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0b561b80
| [   66.036376][ T1094] softirqs last disabled at (33822): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   66.036379][ T1094] Preemption disabled at:
| [   66.036379][ T1094] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.036387][ T1094] Tainted: [W]=WARN
[   66.036388][ T1094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.036390][ T1094] Call Trace:
[   66.036391][ T1094]  <TASK>
[   66.036393][ T1094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.036399][ T1094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.036400][ T1094]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.036405][ T1094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.036409][ T1094]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.036414][ T1094]  __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))
[   66.036415][ T1094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.036422][ T1094]  ? 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)
[   66.036425][ T1094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.036429][ T1094]  put_chars (drivers/char/virtio_console.c:1176)
[   66.036431][ T1094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.036437][ T1094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.036447][ T1094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.036450][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.036455][ T1094]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.036459][ T1094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.036461][ T1094]  ? 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))
[   66.036464][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036467][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.036471][ T1094]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.036475][ T1094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.036477][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.036482][ T1094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.036485][ T1094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.036486][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036488][ T1094]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   66.036492][ T1094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.036493][ T1094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.036496][ T1094]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.036499][ T1094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.036501][ T1094]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.036503][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.036505][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.036509][ T1094]  _printk (kernel/printk/printk.c:2504)
[   66.036512][ T1094]  ? snapshot_read.cold (user.c:?)
[   66.036514][ T1094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.036516][ T1094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.036519][ T1094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.036521][ T1094]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.036525][ T1094]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.036528][ T1094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.036530][ T1094]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.036533][ T1094]  ? netdev_notice (net/core/dev.c:13194)
[   66.036536][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.036538][ T1094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.036541][ T1094]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   66.036544][ T1094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.036546][ T1094]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   66.036549][ T1094]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   66.036553][ T1094]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   66.036563][ T1094]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.036570][ T1094]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.036574][ T1094]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   66.036577][ T1094]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   66.036579][ T1094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.036581][ T1094]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.036584][ T1094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.036586][ T1094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.036588][ T1094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.036590][ T1094]  ? kasan_save_stack (mm/kasan/common.c:58)
[   66.036592][ T1094]  ? kasan_save_stack (mm/kasan/common.c:57)
[   66.036593][ T1094]  ? kasan_save_track (mm/kasan/common.c:78)
[   66.036595][ T1094]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   66.036597][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.036599][ T1094]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   66.036602][ T1094]  ? ___sys_sendmsg (net/socket.c:2758)
[   66.036606][ T1094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.036608][ T1094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.036610][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036612][ T1094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.036613][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036614][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036616][ T1094]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.036618][ T1094]  ? __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)
[   66.036621][ T1094]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.036623][ T1094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.036626][ T1094]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.036627][ T1094]  ? nla_get_range_signed (lib/nlattr.c:270)
[   66.036632][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036635][ T1094]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   66.036640][ T1094]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.036645][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.036647][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.036651][ T1094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.036653][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.036655][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.036657][ T1094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.036661][ T1094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.036663][ T1094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.036666][ T1094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.036667][ T1094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.036672][ T1094]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.036673][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.036677][ T1094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.036680][ T1094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.036683][ T1094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.036689][ T1094]  ? 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))
[   66.036691][ T1094]  ? 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))
[   66.036695][ T1094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.036699][ T1094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.036702][ T1094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.036706][ T1094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.036710][ T1094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.036714][ T1094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.036715][ T1094]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.036721][ T1094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.036724][ T1094]  ____sys_sendmsg (net/socket.c:2713)
[   66.036726][ T1094]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.036728][ T1094]  ? sock_write_iter (net/socket.c:1269)
[   66.036730][ T1094]  ? move_addr_to_kernel (net/socket.c:258)
[   66.036737][ T1094]  ___sys_sendmsg (net/socket.c:2767)
[   66.036739][ T1094]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.036755][ T1094]  __sys_sendmsg (net/socket.c:2799)
[   66.036758][ T1094]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.036764][ T1094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.036767][ T1094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.036770][ T1094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.036773][ T1094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.036775][ T1094] RIP: 0033:0x7f2ccc48d54e
[   66.036779][ T1094] 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
[   66.036781][ T1094] RSP: 002b:00007fff12b03860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.036783][ T1094] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2ccc48d54e
[   66.036785][ T1094] RDX: 0000000000000000 RSI: 00007fff12b03910 RDI: 0000000000000005
[   66.036785][ T1094] RBP: 00007fff12b03870 R08: 0000000000000000 R09: 0000000000000000
[   66.036786][ T1094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106c0
[   66.036787][ T1094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff12b03fd0
| [   67.413692][ T1143] softirqs last disabled at (35570): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   67.413694][ T1143] Preemption disabled at:
| [   67.413695][ T1143] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.413704][ T1143] Tainted: [W]=WARN
[   67.413704][ T1143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.413706][ T1143] Call Trace:
[   67.413708][ T1143]  <TASK>
[   67.413709][ T1143]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.413715][ T1143]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.413717][ T1143]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.413721][ T1143]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.413725][ T1143]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.413730][ T1143]  __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))
[   67.413731][ T1143]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.413738][ T1143]  ? 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)
[   67.413741][ T1143]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.413745][ T1143]  put_chars (drivers/char/virtio_console.c:1176)
[   67.413747][ T1143]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.413753][ T1143]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.413761][ T1143]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.413765][ T1143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.413769][ T1143]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.413773][ T1143]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.413775][ T1143]  ? 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))
[   67.413778][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.413781][ T1143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.413785][ T1143]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.413789][ T1143]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.413791][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.413796][ T1143]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.413799][ T1143]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.413801][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.413802][ T1143]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   67.413806][ T1143]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.413808][ T1143]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.413810][ T1143]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.413814][ T1143]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.413815][ T1143]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.413817][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.413819][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.413823][ T1143]  _printk (kernel/printk/printk.c:2504)
[   67.413827][ T1143]  ? snapshot_read.cold (user.c:?)
[   67.413829][ T1143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.413831][ T1143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.413834][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.413836][ T1143]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   67.413840][ T1143]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   67.413843][ T1143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.413845][ T1143]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   67.413848][ T1143]  ? netdev_notice (net/core/dev.c:13194)
[   67.413851][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.413853][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.413856][ T1143]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   67.413859][ T1143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.413861][ T1143]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   67.413864][ T1143]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   67.413868][ T1143]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   67.413872][ T1143]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.413878][ T1143]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.413882][ T1143]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   67.413885][ T1143]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   67.413887][ T1143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.413888][ T1143]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.413892][ T1143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.413894][ T1143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.413896][ T1143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.413898][ T1143]  ? kasan_save_stack (mm/kasan/common.c:58)
[   67.413900][ T1143]  ? kasan_save_stack (mm/kasan/common.c:57)
[   67.413901][ T1143]  ? kasan_save_track (mm/kasan/common.c:78)
[   67.413902][ T1143]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.413905][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.413906][ T1143]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   67.413910][ T1143]  ? ___sys_sendmsg (net/socket.c:2758)
[   67.413913][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.413915][ T1143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.413918][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.413920][ T1143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.413921][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.413922][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.413924][ T1143]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   67.413926][ T1143]  ? __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)
[   67.413929][ T1143]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   67.413931][ T1143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.413934][ T1143]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   67.413936][ T1143]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.413941][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.413943][ T1143]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   67.413948][ T1143]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.413953][ T1143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.413955][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.413959][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.413961][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.413963][ T1143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.413965][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.413969][ T1143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.413971][ T1143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.413974][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.413975][ T1143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.413980][ T1143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.413982][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.413985][ T1143]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.413989][ T1143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.413991][ T1143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.413998][ T1143]  ? 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))
[   67.414000][ T1143]  ? 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))
[   67.414004][ T1143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.414008][ T1143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.414011][ T1143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.414015][ T1143]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.414019][ T1143]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.414023][ T1143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.414024][ T1143]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   67.414030][ T1143]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   67.414032][ T1143]  ____sys_sendmsg (net/socket.c:2713)
[   67.414035][ T1143]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.414037][ T1143]  ? sock_write_iter (net/socket.c:1269)
[   67.414038][ T1143]  ? move_addr_to_kernel (net/socket.c:258)
[   67.414046][ T1143]  ___sys_sendmsg (net/socket.c:2767)
[   67.414048][ T1143]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.414064][ T1143]  __sys_sendmsg (net/socket.c:2799)
[   67.414067][ T1143]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.414073][ T1143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.414076][ T1143]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.414079][ T1143]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.414082][ T1143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.414084][ T1143] RIP: 0033:0x7f28dbc9c54e
[   67.414088][ T1143] 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
[   67.414089][ T1143] RSP: 002b:00007fff80777090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.414092][ T1143] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f28dbc9c54e
[   67.414094][ T1143] RDX: 0000000000000000 RSI: 00007fff80777140 RDI: 0000000000000005
[   67.414094][ T1143] RBP: 00007fff807770a0 R08: 0000000000000000 R09: 0000000000000000
[   67.414095][ T1143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106c1
[   67.414096][ T1143] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff80777800
| [   68.645092][ T1192] softirqs last disabled at (31746): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   68.645095][ T1192] Preemption disabled at:
| [   68.645096][ T1192] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.645104][ T1192] Tainted: [W]=WARN
[   68.645105][ T1192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.645107][ T1192] Call Trace:
[   68.645109][ T1192]  <TASK>
[   68.645110][ T1192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.645116][ T1192]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.645118][ T1192]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.645122][ T1192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.645127][ T1192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.645131][ T1192]  __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))
[   68.645133][ T1192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.645140][ T1192]  ? 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)
[   68.645143][ T1192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.645147][ T1192]  put_chars (drivers/char/virtio_console.c:1176)
[   68.645149][ T1192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.645155][ T1192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.645163][ T1192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.645167][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.645171][ T1192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.645175][ T1192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.645177][ T1192]  ? 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))
[   68.645180][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645183][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.645187][ T1192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.645192][ T1192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.645194][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.645199][ T1192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.645202][ T1192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.645204][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645205][ T1192]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   68.645209][ T1192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.645211][ T1192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.645213][ T1192]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.645216][ T1192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.645218][ T1192]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.645220][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.645222][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.645226][ T1192]  _printk (kernel/printk/printk.c:2504)
[   68.645230][ T1192]  ? snapshot_read.cold (user.c:?)
[   68.645231][ T1192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.645234][ T1192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.645237][ T1192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.645239][ T1192]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.645243][ T1192]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.645246][ T1192]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.645248][ T1192]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.645251][ T1192]  ? netdev_notice (net/core/dev.c:13194)
[   68.645254][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.645256][ T1192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.645259][ T1192]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.645262][ T1192]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.645265][ T1192]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   68.645268][ T1192]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   68.645272][ T1192]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   68.645276][ T1192]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.645282][ T1192]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.645285][ T1192]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.645289][ T1192]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.645290][ T1192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.645292][ T1192]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.645295][ T1192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.645297][ T1192]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.645299][ T1192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.645301][ T1192]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.645303][ T1192]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.645305][ T1192]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.645306][ T1192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.645308][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.645310][ T1192]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   68.645313][ T1192]  ? ___sys_sendmsg (net/socket.c:2758)
[   68.645317][ T1192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.645319][ T1192]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.645322][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645323][ T1192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.645325][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645326][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645328][ T1192]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.645330][ T1192]  ? __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)
[   68.645333][ T1192]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.645335][ T1192]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.645338][ T1192]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.645339][ T1192]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.645345][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645347][ T1192]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.645352][ T1192]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.645357][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.645359][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.645364][ T1192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.645366][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.645367][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.645369][ T1192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.645373][ T1192]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.645375][ T1192]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.645378][ T1192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.645379][ T1192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.645384][ T1192]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.645386][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.645389][ T1192]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.645393][ T1192]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.645396][ T1192]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.645402][ T1192]  ? 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))
[   68.645404][ T1192]  ? 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))
[   68.645409][ T1192]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.645413][ T1192]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.645415][ T1192]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.645419][ T1192]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.645423][ T1192]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.645427][ T1192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.645429][ T1192]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   68.645434][ T1192]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   68.645437][ T1192]  ____sys_sendmsg (net/socket.c:2713)
[   68.645439][ T1192]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.645442][ T1192]  ? sock_write_iter (net/socket.c:1269)
[   68.645443][ T1192]  ? move_addr_to_kernel (net/socket.c:258)
[   68.645451][ T1192]  ___sys_sendmsg (net/socket.c:2767)
[   68.645454][ T1192]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.645470][ T1192]  __sys_sendmsg (net/socket.c:2799)
[   68.645473][ T1192]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.645480][ T1192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.645483][ T1192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.645486][ T1192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.645489][ T1192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.645491][ T1192] RIP: 0033:0x7f90cf4e454e
[   68.645495][ T1192] 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
[   68.645496][ T1192] RSP: 002b:00007ffd083e3fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.645499][ T1192] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f90cf4e454e
[   68.645501][ T1192] RDX: 0000000000000000 RSI: 00007ffd083e4080 RDI: 0000000000000005
[   68.645501][ T1192] RBP: 00007ffd083e3fe0 R08: 0000000000000000 R09: 0000000000000000
[   68.645502][ T1192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106c2
[   68.645503][ T1192] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd083e4740
| [   69.912991][ T1241] softirqs last disabled at (35934): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   69.912994][ T1241] Preemption disabled at:
| [   69.912995][ T1241] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.913004][ T1241] Tainted: [W]=WARN
[   69.913005][ T1241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.913006][ T1241] Call Trace:
[   69.913008][ T1241]  <TASK>
[   69.913009][ T1241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.913016][ T1241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.913017][ T1241]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.913022][ T1241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.913026][ T1241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.913030][ T1241]  __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))
[   69.913032][ T1241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.913039][ T1241]  ? 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)
[   69.913041][ T1241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.913045][ T1241]  put_chars (drivers/char/virtio_console.c:1176)
[   69.913048][ T1241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.913054][ T1241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.913062][ T1241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.913065][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.913070][ T1241]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.913074][ T1241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.913076][ T1241]  ? 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))
[   69.913079][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913082][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.913086][ T1241]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.913090][ T1241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.913092][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.913098][ T1241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.913100][ T1241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.913102][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913104][ T1241]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   69.913108][ T1241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.913109][ T1241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.913112][ T1241]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.913115][ T1241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.913117][ T1241]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.913119][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.913121][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.913125][ T1241]  _printk (kernel/printk/printk.c:2504)
[   69.913128][ T1241]  ? snapshot_read.cold (user.c:?)
[   69.913130][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.913132][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.913135][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.913137][ T1241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.913141][ T1241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.913144][ T1241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.913146][ T1241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.913149][ T1241]  ? netdev_notice (net/core/dev.c:13194)
[   69.913152][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.913155][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.913157][ T1241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   69.913161][ T1241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.913163][ T1241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   69.913166][ T1241]  ? netif_set_mtu_ext (net/core/dev.c:2350 net/core/dev.c:9952)
[   69.913170][ T1241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   69.913174][ T1241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.913180][ T1241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.913183][ T1241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   69.913187][ T1241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   69.913188][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.913190][ T1241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.913194][ T1241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.913195][ T1241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.913197][ T1241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.913200][ T1241]  ? kasan_save_stack (mm/kasan/common.c:58)
[   69.913201][ T1241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   69.913203][ T1241]  ? kasan_save_track (mm/kasan/common.c:78)
[   69.913204][ T1241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.913206][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.913208][ T1241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   69.913211][ T1241]  ? ___sys_sendmsg (net/socket.c:2758)
[   69.913215][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.913217][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.913220][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913222][ T1241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.913223][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913224][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913226][ T1241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.913228][ T1241]  ? __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)
[   69.913231][ T1241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.913233][ T1241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.913236][ T1241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.913238][ T1241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.913243][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913245][ T1241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   69.913250][ T1241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.913256][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.913257][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.913262][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.913264][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.913266][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.913268][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.913271][ T1241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.913273][ T1241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.913277][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.913278][ T1241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.913283][ T1241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.913284][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.913288][ T1241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.913291][ T1241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.913294][ T1241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.913301][ T1241]  ? 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))
[   69.913303][ T1241]  ? 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))
[   69.913307][ T1241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.913311][ T1241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.913314][ T1241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.913318][ T1241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.913322][ T1241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.913326][ T1241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.913327][ T1241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   69.913333][ T1241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.913336][ T1241]  ____sys_sendmsg (net/socket.c:2713)
[   69.913338][ T1241]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.913340][ T1241]  ? sock_write_iter (net/socket.c:1269)
[   69.913342][ T1241]  ? move_addr_to_kernel (net/socket.c:258)
[   69.913349][ T1241]  ___sys_sendmsg (net/socket.c:2767)
[   69.913352][ T1241]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.913368][ T1241]  __sys_sendmsg (net/socket.c:2799)
[   69.913371][ T1241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.913377][ T1241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.913380][ T1241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.913383][ T1241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.913386][ T1241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.913388][ T1241] RIP: 0033:0x7f34794af54e
[   69.913392][ T1241] 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
[   69.913394][ T1241] RSP: 002b:00007ffddfb75b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.913396][ T1241] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f34794af54e
[   69.913398][ T1241] RDX: 0000000000000000 RSI: 00007ffddfb75c20 RDI: 0000000000000005
[   69.913398][ T1241] RBP: 00007ffddfb75b80 R08: 0000000000000000 R09: 0000000000000000
[   69.913399][ T1241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9106c4


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars