======================================
| [   13.278704][  T243] softirqs last disabled at (54975): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.278706][  T243] Preemption disabled at:
| [   13.278707][  T243] 0x0
| [   13.278717][  T243] Tainted: [W]=WARN
[   13.278718][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.278720][  T243] Call Trace:
[   13.278721][  T243]  <TASK>
[   13.278723][  T243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.278730][  T243]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.278734][  T243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.278739][  T243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.278744][  T243]  __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))
[   13.278746][  T243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.278753][  T243]  ? 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)
[   13.278756][  T243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.278761][  T243]  put_chars (drivers/char/virtio_console.c:1176)
[   13.278763][  T243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.278765][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.278769][  T243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.278775][  T243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.278784][  T243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.278787][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.278789][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.278794][  T243]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.278799][  T243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.278801][  T243]  ? 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))
[   13.278805][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.278806][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.278811][  T243]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.278816][  T243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.278818][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.278825][  T243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.278828][  T243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.278830][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.278832][  T243]  ? 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)
[   13.278836][  T243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.278838][  T243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.278842][  T243]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.278845][  T243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.278849][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.278853][  T243]  _printk (kernel/printk/printk.c:2504)
[   13.278857][  T243]  ? snapshot_read.cold (user.c:?)
[   13.278860][  T243]  ? 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)
[   13.278863][  T243]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.278868][  T243]  ? 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)
[   13.278871][  T243]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   13.278875][  T243]  ? exit_notify (kernel/exit.c:780)
[   13.278877][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.278880][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.278884][  T243]  do_group_exit (kernel/exit.c:1151)
[   13.278888][  T243]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   13.278889][  T243]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   13.278892][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.278896][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.278899][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.278902][  T243] RIP: 0033:0x7f8a0e7701b8
[   13.278904][  T243] Code: Unable to access opcode bytes at 0x7f8a0e77018e.

Code starting with the faulting instruction
===========================================
[   13.278905][  T243] RSP: 002b:00007ffce993b628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   13.278908][  T243] RAX: ffffffffffffffda RBX: 00007f8a0e8a0f88 RCX: 00007f8a0e7701b8
[   13.278909][  T243] RDX: 00007f8a0e4bafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   13.278910][  T243] RBP: 00007ffce993b680 R08: 0000000000000000 R09: 0000000000008010
[   13.278911][  T243] R10: 00007ffce993b440 R11: 0000000000000246 R12: 0000000000000001
[   13.278912][  T243] R13: 0000000000000000 R14: 00007f8a0e89f680 R15: 00007f8a0e8a0fa0
| [   31.567204][  T577] softirqs last disabled at (36245): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   31.567207][  T577] Preemption disabled at:
| [   31.567208][  T577] 0x0
| [   31.567221][  T577] Tainted: [W]=WARN
[   31.567223][  T577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.567225][  T577] Call Trace:
[   31.567227][  T577]  <TASK>
[   31.567229][  T577]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.567245][  T577]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.567252][  T577]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.567258][  T577]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.567265][  T577]  __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))
[   31.567268][  T577]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.567279][  T577]  ? 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)
[   31.567283][  T577]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.567289][  T577]  put_chars (drivers/char/virtio_console.c:1176)
[   31.567294][  T577]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.567296][  T577]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.567301][  T577]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.567312][  T577]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.567325][  T577]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.567330][  T577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.567333][  T577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.567341][  T577]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.567348][  T577]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.567351][  T577]  ? 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))
[   31.567356][  T577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.567359][  T577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.567367][  T577]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.567375][  T577]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.567378][  T577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.567392][  T577]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.567397][  T577]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.567399][  T577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.567403][  T577]  ? 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)
[   31.567410][  T577]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.567413][  T577]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.567418][  T577]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.567424][  T577]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.567430][  T577]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.567437][  T577]  _printk (kernel/printk/printk.c:2504)
[   31.567442][  T577]  ? snapshot_read.cold (user.c:?)
[   31.567447][  T577]  ? 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)
[   31.567452][  T577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.567459][  T577]  ? 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)
[   31.567464][  T577]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   31.567470][  T577]  ? exit_notify (kernel/exit.c:780)
[   31.567472][  T577]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.567477][  T577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.567484][  T577]  do_group_exit (kernel/exit.c:1151)
[   31.567490][  T577]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   31.567493][  T577]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   31.567497][  T577]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.567501][  T577]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.567507][  T577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.567510][  T577] RIP: 0033:0x7fbe6112f1b8
[   31.567513][  T577] Code: Unable to access opcode bytes at 0x7fbe6112f18e.

Code starting with the faulting instruction
===========================================
[   31.567515][  T577] RSP: 002b:00007ffcb1806648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   31.567518][  T577] RAX: ffffffffffffffda RBX: 00007fbe6125ff88 RCX: 00007fbe6112f1b8
[   31.567520][  T577] RDX: 00007fbe60e79fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   31.567522][  T577] RBP: 00007ffcb18066a0 R08: 0000000000000000 R09: 0000000000000050
[   31.567523][  T577] R10: 00007ffcb1806460 R11: 0000000000000246 R12: 0000000000000001
[   31.567524][  T577] R13: 0000000000000000 R14: 00007fbe6125e680 R15: 00007fbe6125ffa0
| [   33.683335][  T641] softirqs last disabled at (25396): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.683337][  T641] Preemption disabled at:
| [   33.683338][  T641] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.683347][  T641] Tainted: [W]=WARN
[   33.683348][  T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.683350][  T641] Call Trace:
[   33.683351][  T641]  <TASK>
[   33.683353][  T641]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.683359][  T641]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.683361][  T641]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.683366][  T641]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.683370][  T641]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.683375][  T641]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.683377][  T641]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.683388][  T641]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.683390][  T641]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.683395][  T641]  put_chars (drivers/char/virtio_console.c:1176)
[   33.683398][  T641]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.683406][  T641]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.683415][  T641]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.683419][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.683424][  T641]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.683429][  T641]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.683431][  T641]  ? 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))
[   33.683435][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683438][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.683442][  T641]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.683447][  T641]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.683449][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.683456][  T641]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.683459][  T641]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.683461][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683463][  T641]  ? 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)
[   33.683467][  T641]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.683469][  T641]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.683473][  T641]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.683476][  T641]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.683479][  T641]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   33.683485][  T641]  _printk (kernel/printk/printk.c:2504)
[   33.683489][  T641]  ? snapshot_read.cold (user.c:?)
[   33.683491][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.683494][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.683497][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.683499][  T641]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.683503][  T641]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.683506][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.683509][  T641]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.683512][  T641]  ? netdev_notice (net/core/dev.c:13194)
[   33.683515][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.683519][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.683521][  T641]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.683526][  T641]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.683528][  T641]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.683530][  T641]  ? register_netdev (net/core/dev.c:11618)
[   33.683532][  T641]  ? 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))
[   33.683538][  T641]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.683540][  T641]  ? __kernel_text_address (kernel/extable.c:79)
[   33.683543][  T641]  ? write_profile (profile.c:?)
[   33.683547][  T641]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.683554][  T641]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.683558][  T641]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.683561][  T641]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.683562][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.683564][  T641]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.683568][  T641]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.683570][  T641]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.683572][  T641]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.683574][  T641]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.683576][  T641]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.683578][  T641]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.683579][  T641]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.683582][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.683584][  T641]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   33.683587][  T641]  ? ___sys_sendmsg (net/socket.c:2758)
[   33.683591][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.683593][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.683597][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683598][  T641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.683600][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683601][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683603][  T641]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.683606][  T641]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   33.683607][  T641]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.683609][  T641]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.683613][  T641]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.683614][  T641]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.683620][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683623][  T641]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.683629][  T641]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.683636][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.683638][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.683643][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.683646][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.683648][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.683650][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.683654][  T641]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.683657][  T641]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.683660][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.683662][  T641]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.683667][  T641]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.683669][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.683673][  T641]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.683677][  T641]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.683680][  T641]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.683688][  T641]  ? 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))
[   33.683690][  T641]  ? 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))
[   33.683696][  T641]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.683701][  T641]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.683703][  T641]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.683709][  T641]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.683713][  T641]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.683718][  T641]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.683720][  T641]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.683726][  T641]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.683729][  T641]  ____sys_sendmsg (net/socket.c:2713)
[   33.683732][  T641]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.683734][  T641]  ? sock_write_iter (net/socket.c:1269)
[   33.683736][  T641]  ? move_addr_to_kernel (net/socket.c:258)
[   33.683745][  T641]  ___sys_sendmsg (net/socket.c:2767)
[   33.683748][  T641]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.683769][  T641]  __sys_sendmsg (net/socket.c:2799)
[   33.683773][  T641]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.683780][  T641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.683784][  T641]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.683787][  T641]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.683790][  T641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.683792][  T641] RIP: 0033:0x7f7f31e8254e
[   33.683797][  T641] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.683798][  T641] RSP: 002b:00007fff682383c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.683801][  T641] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7f31e8254e
[   33.683803][  T641] RDX: 0000000000000000 RSI: 00007fff68238470 RDI: 0000000000000005
[   33.683803][  T641] RBP: 00007fff682383d0 R08: 0000000000000000 R09: 0000000000000000
[   33.683804][  T641] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913925
[   33.683805][  T641] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff68238b40
| [   53.078994][ T1035] softirqs last disabled at (30436): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.078997][ T1035] Preemption disabled at:
| [   53.078998][ T1035] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.079006][ T1035] Tainted: [W]=WARN
[   53.079007][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.079009][ T1035] Call Trace:
[   53.079011][ T1035]  <TASK>
[   53.079012][ T1035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.079018][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.079020][ T1035]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.079025][ T1035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.079030][ T1035]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.079034][ T1035]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.079037][ T1035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.079044][ T1035]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.079047][ T1035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.079051][ T1035]  put_chars (drivers/char/virtio_console.c:1176)
[   53.079054][ T1035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.079062][ T1035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.079071][ T1035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.079074][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.079080][ T1035]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.079084][ T1035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.079086][ T1035]  ? 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))
[   53.079090][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079093][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.079098][ T1035]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.079103][ T1035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.079105][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.079111][ T1035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.079114][ T1035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.079116][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079118][ T1035]  ? 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)
[   53.079123][ T1035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.079124][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.079128][ T1035]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.079131][ T1035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.079135][ T1035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   53.079140][ T1035]  _printk (kernel/printk/printk.c:2504)
[   53.079144][ T1035]  ? snapshot_read.cold (user.c:?)
[   53.079146][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.079149][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.079152][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.079154][ T1035]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.079158][ T1035]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.079162][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.079164][ T1035]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.079167][ T1035]  ? netdev_notice (net/core/dev.c:13194)
[   53.079170][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.079174][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.079177][ T1035]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.079181][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.079183][ T1035]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.079186][ T1035]  ? register_netdev (net/core/dev.c:11618)
[   53.079187][ T1035]  ? 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))
[   53.079193][ T1035]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.079196][ T1035]  ? __kernel_text_address (kernel/extable.c:79)
[   53.079198][ T1035]  ? write_profile (profile.c:?)
[   53.079203][ T1035]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.079210][ T1035]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.079214][ T1035]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.079216][ T1035]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.079217][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.079219][ T1035]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.079223][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.079225][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.079227][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.079230][ T1035]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.079231][ T1035]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.079233][ T1035]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.079234][ T1035]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   53.079237][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.079239][ T1035]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   53.079242][ T1035]  ? ___sys_sendmsg (net/socket.c:2758)
[   53.079246][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.079248][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.079252][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079254][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.079255][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079256][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079258][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.079261][ T1035]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   53.079262][ T1035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.079264][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.079268][ T1035]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.079269][ T1035]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.079275][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079278][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.079284][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.079291][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.079293][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.079299][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.079301][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.079303][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.079305][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.079315][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.079317][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.079321][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.079322][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.079328][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.079330][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.079334][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.079337][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.079341][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.079349][ T1035]  ? 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))
[   53.079351][ T1035]  ? 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))
[   53.079356][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.079361][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.079364][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.079369][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.079374][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.079378][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.079380][ T1035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   53.079388][ T1035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.079391][ T1035]  ____sys_sendmsg (net/socket.c:2713)
[   53.079394][ T1035]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.079396][ T1035]  ? sock_write_iter (net/socket.c:1269)
[   53.079398][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   53.079407][ T1035]  ___sys_sendmsg (net/socket.c:2767)
[   53.079411][ T1035]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.079431][ T1035]  __sys_sendmsg (net/socket.c:2799)
[   53.079434][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.079442][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.079446][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.079449][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.079452][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.079454][ T1035] RIP: 0033:0x7f999883954e
[   53.079458][ T1035] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.079460][ T1035] RSP: 002b:00007ffd7badde20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.079462][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f999883954e
[   53.079464][ T1035] RDX: 0000000000000000 RSI: 00007ffd7badded0 RDI: 0000000000000005
[   53.079465][ T1035] RBP: 00007ffd7badde30 R08: 0000000000000000 R09: 0000000000000000
[   53.079465][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913939
[   53.079466][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7bade5a0
| [   72.756498][ T1428] softirqs last disabled at (22984): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   72.756501][ T1428] Preemption disabled at:
| [   72.756502][ T1428] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.756510][ T1428] Tainted: [W]=WARN
[   72.756511][ T1428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.756512][ T1428] Call Trace:
[   72.756514][ T1428]  <TASK>
[   72.756515][ T1428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.756522][ T1428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.756523][ T1428]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.756528][ T1428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.756533][ T1428]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.756538][ T1428]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.756540][ T1428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.756548][ T1428]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.756551][ T1428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.756555][ T1428]  put_chars (drivers/char/virtio_console.c:1176)
[   72.756558][ T1428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.756566][ T1428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.756575][ T1428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.756579][ T1428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.756585][ T1428]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.756589][ T1428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.756591][ T1428]  ? 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))
[   72.756595][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756598][ T1428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.756603][ T1428]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.756608][ T1428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.756610][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.756617][ T1428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.756620][ T1428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.756622][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756624][ T1428]  ? 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)
[   72.756629][ T1428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.756631][ T1428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.756634][ T1428]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.756638][ T1428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.756641][ T1428]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.756647][ T1428]  _printk (kernel/printk/printk.c:2504)
[   72.756651][ T1428]  ? snapshot_read.cold (user.c:?)
[   72.756653][ T1428]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.756656][ T1428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.756659][ T1428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.756661][ T1428]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.756665][ T1428]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.756669][ T1428]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.756671][ T1428]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.756674][ T1428]  ? netdev_notice (net/core/dev.c:13194)
[   72.756678][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.756681][ T1428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.756684][ T1428]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   72.756688][ T1428]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.756691][ T1428]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   72.756693][ T1428]  ? register_netdev (net/core/dev.c:11618)
[   72.756695][ T1428]  ? 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))
[   72.756701][ T1428]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   72.756704][ T1428]  ? __kernel_text_address (kernel/extable.c:79)
[   72.756706][ T1428]  ? write_profile (profile.c:?)
[   72.756711][ T1428]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   72.756718][ T1428]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.756722][ T1428]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.756724][ T1428]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.756726][ T1428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.756728][ T1428]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.756731][ T1428]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.756734][ T1428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.756735][ T1428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.756738][ T1428]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.756740][ T1428]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.756741][ T1428]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.756743][ T1428]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.756745][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.756747][ T1428]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   72.756751][ T1428]  ? ___sys_sendmsg (net/socket.c:2758)
[   72.756755][ T1428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.756757][ T1428]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.756761][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756762][ T1428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.756764][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756765][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756767][ T1428]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.756770][ T1428]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   72.756771][ T1428]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.756773][ T1428]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.756778][ T1428]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.756779][ T1428]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.756785][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756787][ T1428]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.756794][ T1428]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.756801][ T1428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.756803][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.756809][ T1428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.756811][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.756813][ T1428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.756815][ T1428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.756820][ T1428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.756822][ T1428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.756826][ T1428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.756827][ T1428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.756833][ T1428]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.756835][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.756840][ T1428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.756843][ T1428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.756847][ T1428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.756855][ T1428]  ? 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))
[   72.756857][ T1428]  ? 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))
[   72.756863][ T1428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.756868][ T1428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.756870][ T1428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.756876][ T1428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.756881][ T1428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.756885][ T1428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.756887][ T1428]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.756894][ T1428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.756897][ T1428]  ____sys_sendmsg (net/socket.c:2713)
[   72.756900][ T1428]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.756902][ T1428]  ? sock_write_iter (net/socket.c:1269)
[   72.756904][ T1428]  ? move_addr_to_kernel (net/socket.c:258)
[   72.756913][ T1428]  ___sys_sendmsg (net/socket.c:2767)
[   72.756916][ T1428]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.756938][ T1428]  __sys_sendmsg (net/socket.c:2799)
[   72.756941][ T1428]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.756949][ T1428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.756953][ T1428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.756956][ T1428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.756960][ T1428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.756962][ T1428] RIP: 0033:0x7f4bee0eb54e
[   72.756966][ T1428] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.756968][ T1428] RSP: 002b:00007ffd3d1e9e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.756970][ T1428] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4bee0eb54e
[   72.756972][ T1428] RDX: 0000000000000000 RSI: 00007ffd3d1e9f10 RDI: 0000000000000005
[   72.756973][ T1428] RBP: 00007ffd3d1e9e70 R08: 0000000000000000 R09: 0000000000000000
[   72.756973][ T1428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91394c
[   72.756974][ T1428] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3d1ea5e0
| [   89.007371][ T1837] softirqs last disabled at (27220): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   89.007374][ T1837] Preemption disabled at:
| [   89.007375][ T1837] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.007383][ T1837] Tainted: [W]=WARN
[   89.007387][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.007388][ T1837] Call Trace:
[   89.007390][ T1837]  <TASK>
[   89.007392][ T1837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.007398][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.007400][ T1837]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.007404][ T1837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.007409][ T1837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.007414][ T1837]  __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))
[   89.007416][ T1837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.007423][ T1837]  ? 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)
[   89.007426][ T1837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.007430][ T1837]  put_chars (drivers/char/virtio_console.c:1176)
[   89.007433][ T1837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.007445][ T1837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.007454][ T1837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.007458][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.007463][ T1837]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.007468][ T1837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.007470][ T1837]  ? 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))
[   89.007474][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007477][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.007481][ T1837]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.007486][ T1837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.007488][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.007495][ T1837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.007498][ T1837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.007500][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007502][ T1837]  ? 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)
[   89.007506][ T1837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.007508][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.007511][ T1837]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.007515][ T1837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.007518][ T1837]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   89.007524][ T1837]  _printk (kernel/printk/printk.c:2504)
[   89.007528][ T1837]  ? snapshot_read.cold (user.c:?)
[   89.007530][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.007533][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.007536][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.007539][ T1837]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.007543][ T1837]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.007546][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.007549][ T1837]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.007552][ T1837]  ? netdev_notice (net/core/dev.c:13194)
[   89.007555][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.007558][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.007561][ T1837]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   89.007565][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.007567][ T1837]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   89.007570][ T1837]  ? register_netdev (net/core/dev.c:11618)
[   89.007571][ T1837]  ? 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))
[   89.007577][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   89.007580][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[   89.007583][ T1837]  ? write_profile (profile.c:?)
[   89.007587][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   89.007594][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.007598][ T1837]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.007600][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.007602][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.007604][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.007607][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.007609][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.007611][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.007614][ T1837]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.007615][ T1837]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.007617][ T1837]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.007618][ T1837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.007621][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.007623][ T1837]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   89.007626][ T1837]  ? ___sys_sendmsg (net/socket.c:2758)
[   89.007630][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.007632][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.007635][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007637][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.007639][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007640][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007642][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.007645][ T1837]  ? __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)
[   89.007646][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.007648][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.007652][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.007654][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.007659][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007662][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.007668][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.007675][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.007677][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.007682][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.007685][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.007687][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.007689][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.007693][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.007695][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.007699][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.007700][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.007706][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.007708][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.007712][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.007715][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.007719][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.007727][ T1837]  ? 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))
[   89.007729][ T1837]  ? 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))
[   89.007734][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.007739][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.007742][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.007747][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.007752][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.007756][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.007758][ T1837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.007764][ T1837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.007767][ T1837]  ____sys_sendmsg (net/socket.c:2713)
[   89.007770][ T1837]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.007772][ T1837]  ? sock_write_iter (net/socket.c:1269)
[   89.007774][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[   89.007783][ T1837]  ___sys_sendmsg (net/socket.c:2767)
[   89.007786][ T1837]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.007806][ T1837]  __sys_sendmsg (net/socket.c:2799)
[   89.007809][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.007817][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.007821][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.007824][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.007827][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.007829][ T1837] RIP: 0033:0x7fb60fa8854e
[   89.007833][ T1837] 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
[   89.007835][ T1837] RSP: 002b:00007ffdd60d26c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.007838][ T1837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb60fa8854e
[   89.007839][ T1837] RDX: 0000000000000000 RSI: 00007ffdd60d2770 RDI: 0000000000000005
[   89.007840][ T1837] RBP: 00007ffdd60d26d0 R08: 0000000000000000 R09: 0000000000000000
[   89.007841][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91395d
[   89.007841][ T1837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd60d2e40
| [  106.275243][ T2246] softirqs last disabled at (21176): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  106.275245][ T2246] Preemption disabled at:
| [  106.275246][ T2246] vprintk_emit (kernel/printk/printk.c:2471)
| [  106.275254][ T2246] Tainted: [W]=WARN
[  106.275255][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.275257][ T2246] Call Trace:
[  106.275259][ T2246]  <TASK>
[  106.275260][ T2246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  106.275266][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  106.275268][ T2246]  __might_resched.cold (kernel/sched/core.c:9234)
[  106.275273][ T2246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  106.275277][ T2246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  106.275282][ T2246]  __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))
[  106.275284][ T2246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.275292][ T2246]  ? 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)
[  106.275295][ T2246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.275299][ T2246]  put_chars (drivers/char/virtio_console.c:1176)
[  106.275302][ T2246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  106.275310][ T2246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  106.275318][ T2246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  106.275322][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.275327][ T2246]  console_emit_next_record (kernel/printk/printk.c:3183)
[  106.275332][ T2246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  106.275334][ T2246]  ? 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))
[  106.275337][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275340][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.275345][ T2246]  console_flush_one_record (kernel/printk/printk.c:3268)
[  106.275349][ T2246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  106.275351][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.275358][ T2246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  106.275361][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  106.275363][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275365][ T2246]  ? 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)
[  106.275369][ T2246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  106.275371][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  106.275374][ T2246]  vprintk_emit (kernel/printk/printk.c:2479)
[  106.275378][ T2246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  106.275381][ T2246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  106.275390][ T2246]  _printk (kernel/printk/printk.c:2504)
[  106.275394][ T2246]  ? snapshot_read.cold (user.c:?)
[  106.275395][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  106.275398][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.275401][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  106.275403][ T2246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  106.275407][ T2246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  106.275410][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  106.275413][ T2246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  106.275416][ T2246]  ? netdev_notice (net/core/dev.c:13194)
[  106.275419][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  106.275423][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.275425][ T2246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  106.275429][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  106.275432][ T2246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  106.275434][ T2246]  ? register_netdev (net/core/dev.c:11618)
[  106.275435][ T2246]  ? 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))
[  106.275441][ T2246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  106.275444][ T2246]  ? __kernel_text_address (kernel/extable.c:79)
[  106.275446][ T2246]  ? write_profile (profile.c:?)
[  106.275451][ T2246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  106.275457][ T2246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  106.275461][ T2246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  106.275464][ T2246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  106.275465][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  106.275467][ T2246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  106.275471][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  106.275473][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.275475][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  106.275477][ T2246]  ? kasan_save_stack (mm/kasan/common.c:58)
[  106.275479][ T2246]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.275481][ T2246]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.275482][ T2246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.275485][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.275487][ T2246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  106.275490][ T2246]  ? ___sys_sendmsg (net/socket.c:2758)
[  106.275494][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  106.275502][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  106.275505][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275507][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.275508][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275510][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275511][ T2246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  106.275514][ T2246]  ? __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)
[  106.275515][ T2246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  106.275517][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  106.275521][ T2246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  106.275522][ T2246]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.275528][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275530][ T2246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  106.275537][ T2246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  106.275543][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.275545][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.275551][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  106.275553][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  106.275555][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.275557][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.275561][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.275564][ T2246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.275567][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.275569][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.275574][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  106.275576][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  106.275580][ T2246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  106.275583][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.275587][ T2246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.275594][ T2246]  ? 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))
[  106.275596][ T2246]  ? 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))
[  106.275602][ T2246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.275606][ T2246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.275609][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  106.275614][ T2246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  106.275619][ T2246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  106.275623][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.275625][ T2246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  106.275631][ T2246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  106.275634][ T2246]  ____sys_sendmsg (net/socket.c:2713)
[  106.275637][ T2246]  ? copy_msghdr_from_user (net/socket.c:2650)
[  106.275639][ T2246]  ? sock_write_iter (net/socket.c:1269)
[  106.275641][ T2246]  ? move_addr_to_kernel (net/socket.c:258)
[  106.275650][ T2246]  ___sys_sendmsg (net/socket.c:2767)
[  106.275653][ T2246]  ? copy_msghdr_from_user (net/socket.c:2619)
[  106.275673][ T2246]  __sys_sendmsg (net/socket.c:2799)
[  106.275676][ T2246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  106.275683][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.275687][ T2246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  106.275690][ T2246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  106.275693][ T2246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.275696][ T2246] RIP: 0033:0x7f8671e1754e
[  106.275699][ T2246] 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
[  106.275701][ T2246] RSP: 002b:00007ffe974a19a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.275704][ T2246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8671e1754e
[  106.275705][ T2246] RDX: 0000000000000000 RSI: 00007ffe974a1a50 RDI: 0000000000000005
[  106.275706][ T2246] RBP: 00007ffe974a19b0 R08: 0000000000000000 R09: 0000000000000000
[  106.275707][ T2246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91396e
[  106.275708][ T2246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe974a2120
| [  236.588661][ T3723] softirqs last disabled at (21709): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  236.588664][ T3723] Preemption disabled at:
| [  236.588665][ T3723] vprintk_emit (kernel/printk/printk.c:2471)
| [  236.588673][ T3723] Tainted: [W]=WARN
[  236.588674][ T3723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.588676][ T3723] Call Trace:
[  236.588677][ T3723]  <TASK>
[  236.588679][ T3723]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.588686][ T3723]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  236.588687][ T3723]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.588693][ T3723]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.588697][ T3723]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  236.588702][ T3723]  __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))
[  236.588704][ T3723]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.588711][ T3723]  ? 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)
[  236.588714][ T3723]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.588718][ T3723]  put_chars (drivers/char/virtio_console.c:1176)
[  236.588721][ T3723]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.588729][ T3723]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.588738][ T3723]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.588742][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.588747][ T3723]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.588752][ T3723]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.588754][ T3723]  ? 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))
[  236.588758][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.588761][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.588765][ T3723]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.588771][ T3723]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.588773][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.588779][ T3723]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.588782][ T3723]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.588784][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.588786][ T3723]  ? 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)
[  236.588791][ T3723]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.588793][ T3723]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.588796][ T3723]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.588799][ T3723]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.588803][ T3723]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  236.588808][ T3723]  _printk (kernel/printk/printk.c:2504)
[  236.588812][ T3723]  ? snapshot_read.cold (user.c:?)
[  236.588814][ T3723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.588817][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  236.588820][ T3723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.588823][ T3723]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  236.588826][ T3723]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  236.588830][ T3723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  236.588832][ T3723]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  236.588835][ T3723]  ? netdev_notice (net/core/dev.c:13194)
[  236.588838][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.588842][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.588845][ T3723]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  236.588849][ T3723]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  236.588852][ T3723]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  236.588854][ T3723]  ? register_netdev (net/core/dev.c:11618)
[  236.588856][ T3723]  ? 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))
[  236.588862][ T3723]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  236.588866][ T3723]  ? __kernel_text_address (kernel/extable.c:79)
[  236.588868][ T3723]  ? write_profile (profile.c:?)
[  236.588873][ T3723]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  236.588880][ T3723]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  236.588884][ T3723]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  236.588886][ T3723]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  236.588887][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  236.588889][ T3723]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  236.588893][ T3723]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.588895][ T3723]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  236.588897][ T3723]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.588900][ T3723]  ? kasan_save_stack (mm/kasan/common.c:58)
[  236.588902][ T3723]  ? kasan_save_stack (mm/kasan/common.c:57)
[  236.588903][ T3723]  ? kasan_save_track (mm/kasan/common.c:78)
[  236.588904][ T3723]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  236.588907][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.588909][ T3723]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  236.588912][ T3723]  ? ___sys_sendmsg (net/socket.c:2758)
[  236.588917][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.588919][ T3723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.588922][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.588924][ T3723]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.588926][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.588927][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.588929][ T3723]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  236.588931][ T3723]  ? __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)
[  236.588933][ T3723]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  236.588935][ T3723]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.588939][ T3723]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  236.588940][ T3723]  ? nla_get_range_signed (lib/nlattr.c:270)
[  236.588946][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.588949][ T3723]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  236.588955][ T3723]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  236.588966][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.588968][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.588974][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.588976][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.588978][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.588980][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.588985][ T3723]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.588987][ T3723]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.588991][ T3723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.588992][ T3723]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.588998][ T3723]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.589000][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.589004][ T3723]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.589008][ T3723]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.589011][ T3723]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  236.589019][ T3723]  ? 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))
[  236.589021][ T3723]  ? 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))
[  236.589027][ T3723]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.589032][ T3723]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  236.589035][ T3723]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.589040][ T3723]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.589045][ T3723]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  236.589050][ T3723]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.589051][ T3723]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  236.589057][ T3723]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  236.589061][ T3723]  ____sys_sendmsg (net/socket.c:2713)
[  236.589063][ T3723]  ? copy_msghdr_from_user (net/socket.c:2650)
[  236.589066][ T3723]  ? sock_write_iter (net/socket.c:1269)
[  236.589067][ T3723]  ? move_addr_to_kernel (net/socket.c:258)
[  236.589077][ T3723]  ___sys_sendmsg (net/socket.c:2767)
[  236.589080][ T3723]  ? copy_msghdr_from_user (net/socket.c:2619)
[  236.589101][ T3723]  __sys_sendmsg (net/socket.c:2799)
[  236.589104][ T3723]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  236.589112][ T3723]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.589116][ T3723]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.589119][ T3723]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  236.589122][ T3723]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.589125][ T3723] RIP: 0033:0x7f0d0330454e
[  236.589128][ T3723] 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
[  236.589130][ T3723] RSP: 002b:00007fff575b8820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  236.589133][ T3723] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0d0330454e
[  236.589134][ T3723] RDX: 0000000000000000 RSI: 00007fff575b88d0 RDI: 0000000000000005
[  236.589135][ T3723] RBP: 00007fff575b8830 R08: 0000000000000000 R09: 0000000000000000
[  236.589136][ T3723] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139f0
[  236.589137][ T3723] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff575b8fa0
| [  244.481228][ T3940] softirqs last disabled at (26214): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  244.481230][ T3940] Preemption disabled at:
| [  244.481231][ T3940] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.481239][ T3940] Tainted: [W]=WARN
[  244.481240][ T3940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.481241][ T3940] Call Trace:
[  244.481243][ T3940]  <TASK>
[  244.481245][ T3940]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.481250][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.481252][ T3940]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.481257][ T3940]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.481261][ T3940]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  244.481266][ T3940]  __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))
[  244.481268][ T3940]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.481275][ T3940]  ? 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)
[  244.481278][ T3940]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.481282][ T3940]  put_chars (drivers/char/virtio_console.c:1176)
[  244.481285][ T3940]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.481293][ T3940]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.481302][ T3940]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.481305][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.481310][ T3940]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.481315][ T3940]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.481317][ T3940]  ? 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))
[  244.481320][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481323][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.481328][ T3940]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.481333][ T3940]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.481334][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.481341][ T3940]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.481344][ T3940]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.481346][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481348][ T3940]  ? 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)
[  244.481352][ T3940]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.481354][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.481357][ T3940]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.481361][ T3940]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.481363][ T3940]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  244.481369][ T3940]  _printk (kernel/printk/printk.c:2504)
[  244.481373][ T3940]  ? snapshot_read.cold (user.c:?)
[  244.481375][ T3940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  244.481378][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.481381][ T3940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.481383][ T3940]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  244.481390][ T3940]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  244.481393][ T3940]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  244.481395][ T3940]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  244.481398][ T3940]  ? netdev_notice (net/core/dev.c:13194)
[  244.481401][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.481405][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.481407][ T3940]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  244.481411][ T3940]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  244.481414][ T3940]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  244.481416][ T3940]  ? register_netdev (net/core/dev.c:11618)
[  244.481418][ T3940]  ? 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))
[  244.481424][ T3940]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  244.481426][ T3940]  ? __kernel_text_address (kernel/extable.c:79)
[  244.481429][ T3940]  ? write_profile (profile.c:?)
[  244.481433][ T3940]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  244.481440][ T3940]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  244.481444][ T3940]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  244.481446][ T3940]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  244.481447][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  244.481449][ T3940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  244.481453][ T3940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  244.481455][ T3940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  244.481457][ T3940]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  244.481460][ T3940]  ? kasan_save_stack (mm/kasan/common.c:58)
[  244.481462][ T3940]  ? kasan_save_stack (mm/kasan/common.c:57)
[  244.481463][ T3940]  ? kasan_save_track (mm/kasan/common.c:78)
[  244.481464][ T3940]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  244.481467][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.481469][ T3940]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  244.481472][ T3940]  ? ___sys_sendmsg (net/socket.c:2758)
[  244.481476][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.481478][ T3940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  244.481481][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481483][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.481485][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481486][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481488][ T3940]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  244.481490][ T3940]  ? __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)
[  244.481491][ T3940]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  244.481494][ T3940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  244.481498][ T3940]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  244.481499][ T3940]  ? nla_get_range_signed (lib/nlattr.c:270)
[  244.481504][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481507][ T3940]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  244.481513][ T3940]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.481520][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.481522][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.481527][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.481529][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.481531][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.481533][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.481538][ T3940]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.481540][ T3940]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  244.481543][ T3940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.481545][ T3940]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  244.481550][ T3940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  244.481552][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.481556][ T3940]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.481559][ T3940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.481563][ T3940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.481571][ T3940]  ? 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))
[  244.481573][ T3940]  ? 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))
[  244.481578][ T3940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.481583][ T3940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.481586][ T3940]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  244.481591][ T3940]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.481595][ T3940]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.481600][ T3940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  244.481601][ T3940]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  244.481607][ T3940]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.481610][ T3940]  ____sys_sendmsg (net/socket.c:2713)
[  244.481613][ T3940]  ? copy_msghdr_from_user (net/socket.c:2650)
[  244.481615][ T3940]  ? sock_write_iter (net/socket.c:1269)
[  244.481617][ T3940]  ? move_addr_to_kernel (net/socket.c:258)
[  244.481626][ T3940]  ___sys_sendmsg (net/socket.c:2767)
[  244.481629][ T3940]  ? copy_msghdr_from_user (net/socket.c:2619)
[  244.481649][ T3940]  __sys_sendmsg (net/socket.c:2799)
[  244.481652][ T3940]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  244.481660][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.481663][ T3940]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.481666][ T3940]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  244.481669][ T3940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.481672][ T3940] RIP: 0033:0x7fee2385554e
[  244.481676][ T3940] 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
[  244.481678][ T3940] RSP: 002b:00007ffc0586a280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  244.481680][ T3940] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fee2385554e
[  244.481682][ T3940] RDX: 0000000000000000 RSI: 00007ffc0586a330 RDI: 0000000000000005
[  244.481683][ T3940] RBP: 00007ffc0586a290 R08: 0000000000000000 R09: 0000000000000000
[  244.481683][ T3940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9139f8
[  244.481684][ T3940] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0586aa00
| [  324.895021][ T4927] softirqs last disabled at (18316): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  324.895024][ T4927] Preemption disabled at:
| [  324.895024][ T4927] vprintk_emit (kernel/printk/printk.c:2471)
| [  324.895032][ T4927] Tainted: [W]=WARN
[  324.895034][ T4927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  324.895035][ T4927] Call Trace:
[  324.895037][ T4927]  <TASK>
[  324.895038][ T4927]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  324.895044][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  324.895046][ T4927]  __might_resched.cold (kernel/sched/core.c:9234)
[  324.895050][ T4927]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  324.895055][ T4927]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  324.895059][ T4927]  __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))
[  324.895061][ T4927]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.895069][ T4927]  ? 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)
[  324.895072][ T4927]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.895076][ T4927]  put_chars (drivers/char/virtio_console.c:1176)
[  324.895079][ T4927]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  324.895086][ T4927]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  324.895095][ T4927]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  324.895099][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.895104][ T4927]  console_emit_next_record (kernel/printk/printk.c:3183)
[  324.895108][ T4927]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  324.895110][ T4927]  ? 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))
[  324.895114][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895117][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.895121][ T4927]  console_flush_one_record (kernel/printk/printk.c:3268)
[  324.895126][ T4927]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  324.895128][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.895134][ T4927]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  324.895137][ T4927]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  324.895139][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895141][ T4927]  ? 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)
[  324.895145][ T4927]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  324.895147][ T4927]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  324.895150][ T4927]  vprintk_emit (kernel/printk/printk.c:2479)
[  324.895154][ T4927]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  324.895157][ T4927]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  324.895163][ T4927]  _printk (kernel/printk/printk.c:2504)
[  324.895167][ T4927]  ? snapshot_read.cold (user.c:?)
[  324.895168][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.895171][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.895174][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.895176][ T4927]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  324.895180][ T4927]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  324.895183][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  324.895186][ T4927]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  324.895189][ T4927]  ? netdev_notice (net/core/dev.c:13194)
[  324.895192][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.895195][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.895198][ T4927]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  324.895202][ T4927]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  324.895204][ T4927]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  324.895206][ T4927]  ? register_netdev (net/core/dev.c:11618)
[  324.895208][ T4927]  ? 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))
[  324.895214][ T4927]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  324.895216][ T4927]  ? __kernel_text_address (kernel/extable.c:79)
[  324.895219][ T4927]  ? write_profile (profile.c:?)
[  324.895223][ T4927]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  324.895230][ T4927]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  324.895234][ T4927]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  324.895236][ T4927]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  324.895238][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  324.895239][ T4927]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  324.895243][ T4927]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.895245][ T4927]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.895247][ T4927]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.895250][ T4927]  ? kasan_save_stack (mm/kasan/common.c:58)
[  324.895251][ T4927]  ? kasan_save_stack (mm/kasan/common.c:57)
[  324.895253][ T4927]  ? kasan_save_track (mm/kasan/common.c:78)
[  324.895254][ T4927]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  324.895256][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.895258][ T4927]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  324.895262][ T4927]  ? ___sys_sendmsg (net/socket.c:2758)
[  324.895266][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.895272][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  324.895275][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895277][ T4927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.895279][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895280][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895282][ T4927]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  324.895284][ T4927]  ? __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)
[  324.895286][ T4927]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  324.895288][ T4927]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  324.895292][ T4927]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  324.895293][ T4927]  ? nla_get_range_signed (lib/nlattr.c:270)
[  324.895298][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895301][ T4927]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  324.895307][ T4927]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  324.895314][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  324.895316][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.895321][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.895323][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.895325][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  324.895327][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.895332][ T4927]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  324.895334][ T4927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  324.895338][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  324.895339][ T4927]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.895344][ T4927]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.895346][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.895350][ T4927]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  324.895353][ T4927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  324.895357][ T4927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  324.895365][ T4927]  ? 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))
[  324.895367][ T4927]  ? 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))
[  324.895372][ T4927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  324.895377][ T4927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  324.895379][ T4927]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.895387][ T4927]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  324.895392][ T4927]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  324.895396][ T4927]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.895398][ T4927]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  324.895404][ T4927]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  324.895407][ T4927]  ____sys_sendmsg (net/socket.c:2713)
[  324.895409][ T4927]  ? copy_msghdr_from_user (net/socket.c:2650)
[  324.895412][ T4927]  ? sock_write_iter (net/socket.c:1269)
[  324.895413][ T4927]  ? move_addr_to_kernel (net/socket.c:258)
[  324.895422][ T4927]  ___sys_sendmsg (net/socket.c:2767)
[  324.895426][ T4927]  ? copy_msghdr_from_user (net/socket.c:2619)
[  324.895446][ T4927]  __sys_sendmsg (net/socket.c:2799)
[  324.895449][ T4927]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  324.895456][ T4927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.895460][ T4927]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  324.895463][ T4927]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  324.895466][ T4927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  324.895469][ T4927] RIP: 0033:0x7f831701f54e
[  324.895472][ T4927] 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
[  324.895474][ T4927] RSP: 002b:00007fffe7fad9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  324.895477][ T4927] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f831701f54e
[  324.895478][ T4927] RDX: 0000000000000000 RSI: 00007fffe7fada80 RDI: 0000000000000005
[  324.895479][ T4927] RBP: 00007fffe7fad9e0 R08: 0000000000000000 R09: 0000000000000000
[  324.895480][ T4927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a49
[  324.895481][ T4927] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe7fae150
| [  441.956586][ T6554] softirqs last disabled at (20278): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  441.956590][ T6554] Preemption disabled at:
| [  441.956591][ T6554] vprintk_emit (kernel/printk/printk.c:2471)
| [  441.956602][ T6554] Tainted: [W]=WARN
[  441.956603][ T6554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.956606][ T6554] Call Trace:
[  441.956608][ T6554]  <TASK>
[  441.956610][ T6554]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  441.956617][ T6554]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  441.956620][ T6554]  __might_resched.cold (kernel/sched/core.c:9234)
[  441.956626][ T6554]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  441.956632][ T6554]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  441.956639][ T6554]  __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))
[  441.956642][ T6554]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.956652][ T6554]  ? 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)
[  441.956655][ T6554]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.956661][ T6554]  put_chars (drivers/char/virtio_console.c:1176)
[  441.956666][ T6554]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  441.956678][ T6554]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  441.956694][ T6554]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  441.956700][ T6554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.956708][ T6554]  console_emit_next_record (kernel/printk/printk.c:3183)
[  441.956714][ T6554]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  441.956717][ T6554]  ? 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))
[  441.956722][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.956726][ T6554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.956733][ T6554]  console_flush_one_record (kernel/printk/printk.c:3268)
[  441.956741][ T6554]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  441.956744][ T6554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.956754][ T6554]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  441.956758][ T6554]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  441.956761][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.956764][ T6554]  ? 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)
[  441.956771][ T6554]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  441.956774][ T6554]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  441.956779][ T6554]  vprintk_emit (kernel/printk/printk.c:2479)
[  441.956784][ T6554]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  441.956789][ T6554]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  441.956798][ T6554]  _printk (kernel/printk/printk.c:2504)
[  441.956803][ T6554]  ? snapshot_read.cold (user.c:?)
[  441.956805][ T6554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.956810][ T6554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.956814][ T6554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.956817][ T6554]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  441.956822][ T6554]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  441.956827][ T6554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.956831][ T6554]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  441.956836][ T6554]  ? netdev_notice (net/core/dev.c:13194)
[  441.956840][ T6554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.956846][ T6554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.956850][ T6554]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  441.956856][ T6554]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.956860][ T6554]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  441.956863][ T6554]  ? register_netdev (net/core/dev.c:11618)
[  441.956865][ T6554]  ? 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))
[  441.956874][ T6554]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  441.956878][ T6554]  ? __kernel_text_address (kernel/extable.c:79)
[  441.956881][ T6554]  ? write_profile (profile.c:?)
[  441.956887][ T6554]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  441.956897][ T6554]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  441.956903][ T6554]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  441.956907][ T6554]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  441.956909][ T6554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  441.956912][ T6554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  441.956917][ T6554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  441.956920][ T6554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  441.956923][ T6554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  441.956927][ T6554]  ? kasan_save_stack (mm/kasan/common.c:58)
[  441.956930][ T6554]  ? kasan_save_stack (mm/kasan/common.c:57)
[  441.956932][ T6554]  ? kasan_save_track (mm/kasan/common.c:78)
[  441.956934][ T6554]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  441.956938][ T6554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.956941][ T6554]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  441.956945][ T6554]  ? ___sys_sendmsg (net/socket.c:2758)
[  441.956952][ T6554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.956955][ T6554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  441.956960][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.956963][ T6554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.956965][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.956967][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.956970][ T6554]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  441.956974][ T6554]  ? __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)
[  441.956977][ T6554]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  441.956980][ T6554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  441.956987][ T6554]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  441.956989][ T6554]  ? nla_get_range_signed (lib/nlattr.c:270)
[  441.956997][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.957001][ T6554]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  441.957011][ T6554]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  441.957022][ T6554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.957025][ T6554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.957033][ T6554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.957036][ T6554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.957040][ T6554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.957043][ T6554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.957050][ T6554]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  441.957054][ T6554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  441.957059][ T6554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  441.957062][ T6554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  441.957070][ T6554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  441.957073][ T6554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.957080][ T6554]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  441.957084][ T6554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  441.957089][ T6554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  441.957101][ T6554]  ? 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))
[  441.957104][ T6554]  ? 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))
[  441.957113][ T6554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  441.957120][ T6554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  441.957124][ T6554]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  441.957133][ T6554]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  441.957140][ T6554]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  441.957147][ T6554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  441.957149][ T6554]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  441.957158][ T6554]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  441.957164][ T6554]  ____sys_sendmsg (net/socket.c:2713)
[  441.957167][ T6554]  ? copy_msghdr_from_user (net/socket.c:2650)
[  441.957171][ T6554]  ? sock_write_iter (net/socket.c:1269)
[  441.957174][ T6554]  ? move_addr_to_kernel (net/socket.c:258)
[  441.957188][ T6554]  ___sys_sendmsg (net/socket.c:2767)
[  441.957193][ T6554]  ? copy_msghdr_from_user (net/socket.c:2619)
[  441.957226][ T6554]  __sys_sendmsg (net/socket.c:2799)
[  441.957231][ T6554]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  441.957243][ T6554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.957249][ T6554]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  441.957253][ T6554]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  441.957257][ T6554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  441.957261][ T6554] RIP: 0033:0x7f5f21b3a54e
[  441.957266][ T6554] 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
[  441.957268][ T6554] RSP: 002b:00007ffdd73c5c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  441.957272][ T6554] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5f21b3a54e
[  441.957274][ T6554] RDX: 0000000000000000 RSI: 00007ffdd73c5d20 RDI: 0000000000000005
[  441.957275][ T6554] RBP: 00007ffdd73c5c80 R08: 0000000000000000 R09: 0000000000000000
[  441.957277][ T6554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913abe
[  441.957278][ T6554] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd73c63f0
| [  466.783140][ T7367] softirqs last disabled at (22734): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  466.783142][ T7367] Preemption disabled at:
| [  466.783143][ T7367] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.783151][ T7367] Tainted: [W]=WARN
[  466.783152][ T7367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.783153][ T7367] Call Trace:
[  466.783155][ T7367]  <TASK>
[  466.783156][ T7367]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.783162][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.783164][ T7367]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.783168][ T7367]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.783173][ T7367]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.783178][ T7367]  __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))
[  466.783180][ T7367]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.783187][ T7367]  ? 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)
[  466.783190][ T7367]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.783194][ T7367]  put_chars (drivers/char/virtio_console.c:1176)
[  466.783197][ T7367]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.783204][ T7367]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.783213][ T7367]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.783216][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.783222][ T7367]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.783226][ T7367]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.783228][ T7367]  ? 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))
[  466.783231][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783234][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.783239][ T7367]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.783244][ T7367]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.783245][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.783252][ T7367]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.783255][ T7367]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.783257][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783258][ T7367]  ? 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)
[  466.783263][ T7367]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.783264][ T7367]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.783267][ T7367]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.783271][ T7367]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.783274][ T7367]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  466.783280][ T7367]  _printk (kernel/printk/printk.c:2504)
[  466.783284][ T7367]  ? snapshot_read.cold (user.c:?)
[  466.783285][ T7367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.783288][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.783291][ T7367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.783293][ T7367]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.783297][ T7367]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.783300][ T7367]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.783302][ T7367]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.783305][ T7367]  ? netdev_notice (net/core/dev.c:13194)
[  466.783308][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.783312][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.783314][ T7367]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  466.783318][ T7367]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.783320][ T7367]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  466.783323][ T7367]  ? register_netdev (net/core/dev.c:11618)
[  466.783324][ T7367]  ? 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))
[  466.783330][ T7367]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  466.783333][ T7367]  ? __kernel_text_address (kernel/extable.c:79)
[  466.783335][ T7367]  ? write_profile (profile.c:?)
[  466.783340][ T7367]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  466.783346][ T7367]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.783350][ T7367]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  466.783352][ T7367]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  466.783353][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  466.783355][ T7367]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  466.783359][ T7367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.783361][ T7367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.783362][ T7367]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.783365][ T7367]  ? kasan_save_stack (mm/kasan/common.c:58)
[  466.783367][ T7367]  ? kasan_save_stack (mm/kasan/common.c:57)
[  466.783368][ T7367]  ? kasan_save_track (mm/kasan/common.c:78)
[  466.783369][ T7367]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  466.783372][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.783374][ T7367]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  466.783377][ T7367]  ? ___sys_sendmsg (net/socket.c:2758)
[  466.783381][ T7367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.783383][ T7367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.783389][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783391][ T7367]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.783393][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783394][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783395][ T7367]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  466.783398][ T7367]  ? __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)
[  466.783399][ T7367]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  466.783402][ T7367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.783405][ T7367]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  466.783407][ T7367]  ? nla_get_range_signed (lib/nlattr.c:270)
[  466.783412][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783415][ T7367]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  466.783421][ T7367]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.783427][ T7367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.783429][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.783435][ T7367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.783437][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.783439][ T7367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.783441][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.783445][ T7367]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.783447][ T7367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  466.783451][ T7367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.783452][ T7367]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.783457][ T7367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.783459][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.783463][ T7367]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.783467][ T7367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.783470][ T7367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.783478][ T7367]  ? 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))
[  466.783480][ T7367]  ? 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))
[  466.783485][ T7367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.783490][ T7367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.783492][ T7367]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.783497][ T7367]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.783502][ T7367]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.783506][ T7367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.783508][ T7367]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  466.783514][ T7367]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.783517][ T7367]  ____sys_sendmsg (net/socket.c:2713)
[  466.783519][ T7367]  ? copy_msghdr_from_user (net/socket.c:2650)
[  466.783522][ T7367]  ? sock_write_iter (net/socket.c:1269)
[  466.783523][ T7367]  ? move_addr_to_kernel (net/socket.c:258)
[  466.783532][ T7367]  ___sys_sendmsg (net/socket.c:2767)
[  466.783536][ T7367]  ? copy_msghdr_from_user (net/socket.c:2619)
[  466.783556][ T7367]  __sys_sendmsg (net/socket.c:2799)
[  466.783559][ T7367]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  466.783566][ T7367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.783570][ T7367]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.783573][ T7367]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.783576][ T7367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.783578][ T7367] RIP: 0033:0x7f14da2fa54e
[  466.783582][ T7367] 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
[  466.783584][ T7367] RSP: 002b:00007ffcf9c4e130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  466.783586][ T7367] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f14da2fa54e
[  466.783587][ T7367] RDX: 0000000000000000 RSI: 00007ffcf9c4e1e0 RDI: 0000000000000005
[  466.783588][ T7367] RBP: 00007ffcf9c4e140 R08: 0000000000000000 R09: 0000000000000000
[  466.783589][ T7367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ad7
[  466.783590][ T7367] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf9c4e8b0
| [  475.667265][ T7615] softirqs last disabled at (26728): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  475.667268][ T7615] Preemption disabled at:
| [  475.667268][ T7615] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.667277][ T7615] Tainted: [W]=WARN
[  475.667278][ T7615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.667279][ T7615] Call Trace:
[  475.667281][ T7615]  <TASK>
[  475.667282][ T7615]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.667288][ T7615]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.667290][ T7615]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.667295][ T7615]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.667299][ T7615]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  475.667304][ T7615]  __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))
[  475.667306][ T7615]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.667313][ T7615]  ? 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)
[  475.667316][ T7615]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.667321][ T7615]  put_chars (drivers/char/virtio_console.c:1176)
[  475.667323][ T7615]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.667331][ T7615]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.667340][ T7615]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.667343][ T7615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.667348][ T7615]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.667353][ T7615]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.667355][ T7615]  ? 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))
[  475.667358][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667361][ T7615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.667366][ T7615]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.667371][ T7615]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.667372][ T7615]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.667379][ T7615]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.667382][ T7615]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.667387][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667389][ T7615]  ? 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)
[  475.667393][ T7615]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.667395][ T7615]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.667398][ T7615]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.667402][ T7615]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.667405][ T7615]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  475.667411][ T7615]  _printk (kernel/printk/printk.c:2504)
[  475.667415][ T7615]  ? snapshot_read.cold (user.c:?)
[  475.667416][ T7615]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.667419][ T7615]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.667422][ T7615]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.667424][ T7615]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.667429][ T7615]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.667432][ T7615]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.667434][ T7615]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.667437][ T7615]  ? netdev_notice (net/core/dev.c:13194)
[  475.667440][ T7615]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.667444][ T7615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.667446][ T7615]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  475.667450][ T7615]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.667453][ T7615]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  475.667455][ T7615]  ? register_netdev (net/core/dev.c:11618)
[  475.667456][ T7615]  ? 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))
[  475.667462][ T7615]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  475.667465][ T7615]  ? __kernel_text_address (kernel/extable.c:79)
[  475.667467][ T7615]  ? write_profile (profile.c:?)
[  475.667472][ T7615]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  475.667479][ T7615]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.667483][ T7615]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  475.667485][ T7615]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  475.667486][ T7615]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  475.667488][ T7615]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  475.667492][ T7615]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.667494][ T7615]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.667495][ T7615]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.667498][ T7615]  ? kasan_save_stack (mm/kasan/common.c:58)
[  475.667500][ T7615]  ? kasan_save_stack (mm/kasan/common.c:57)
[  475.667501][ T7615]  ? kasan_save_track (mm/kasan/common.c:78)
[  475.667502][ T7615]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  475.667505][ T7615]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.667507][ T7615]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  475.667510][ T7615]  ? ___sys_sendmsg (net/socket.c:2758)
[  475.667515][ T7615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.667517][ T7615]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.667520][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667522][ T7615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.667523][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667524][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667526][ T7615]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  475.667529][ T7615]  ? __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)
[  475.667530][ T7615]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  475.667532][ T7615]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.667536][ T7615]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  475.667537][ T7615]  ? nla_get_range_signed (lib/nlattr.c:270)
[  475.667543][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667545][ T7615]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  475.667552][ T7615]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.667558][ T7615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.667560][ T7615]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.667566][ T7615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.667568][ T7615]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.667570][ T7615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.667572][ T7615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.667576][ T7615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.667578][ T7615]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  475.667582][ T7615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.667583][ T7615]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.667589][ T7615]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.667591][ T7615]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.667595][ T7615]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.667598][ T7615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.667601][ T7615]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.667609][ T7615]  ? 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))
[  475.667611][ T7615]  ? 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))
[  475.667617][ T7615]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.667621][ T7615]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.667624][ T7615]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.667629][ T7615]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.667634][ T7615]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.667638][ T7615]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.667640][ T7615]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  475.667646][ T7615]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.667649][ T7615]  ____sys_sendmsg (net/socket.c:2713)
[  475.667651][ T7615]  ? copy_msghdr_from_user (net/socket.c:2650)
[  475.667654][ T7615]  ? sock_write_iter (net/socket.c:1269)
[  475.667655][ T7615]  ? move_addr_to_kernel (net/socket.c:258)
[  475.667664][ T7615]  ___sys_sendmsg (net/socket.c:2767)
[  475.667667][ T7615]  ? copy_msghdr_from_user (net/socket.c:2619)
[  475.667687][ T7615]  __sys_sendmsg (net/socket.c:2799)
[  475.667690][ T7615]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  475.667698][ T7615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.667701][ T7615]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.667704][ T7615]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  475.667708][ T7615]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.667710][ T7615] RIP: 0033:0x7f8e2a5c154e
[  475.667714][ T7615] 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
[  475.667715][ T7615] RSP: 002b:00007fffbfb05e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  475.667718][ T7615] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e2a5c154e
[  475.667719][ T7615] RDX: 0000000000000000 RSI: 00007fffbfb05f40 RDI: 0000000000000005
[  475.667720][ T7615] RBP: 00007fffbfb05ea0 R08: 0000000000000000 R09: 0000000000000000
[  475.667721][ T7615] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913adf
[  475.667722][ T7615] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbfb06610
| [  488.319221][ T7966] softirqs last disabled at (19828): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  488.319224][ T7966] Preemption disabled at:
| [  488.319224][ T7966] vprintk_emit (kernel/printk/printk.c:2471)
| [  488.319232][ T7966] Tainted: [W]=WARN
[  488.319233][ T7966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  488.319235][ T7966] Call Trace:
[  488.319236][ T7966]  <TASK>
[  488.319238][ T7966]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  488.319244][ T7966]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  488.319246][ T7966]  __might_resched.cold (kernel/sched/core.c:9234)
[  488.319250][ T7966]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  488.319255][ T7966]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  488.319259][ T7966]  __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))
[  488.319261][ T7966]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  488.319268][ T7966]  ? 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)
[  488.319271][ T7966]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  488.319275][ T7966]  put_chars (drivers/char/virtio_console.c:1176)
[  488.319278][ T7966]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  488.319286][ T7966]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  488.319294][ T7966]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  488.319298][ T7966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.319303][ T7966]  console_emit_next_record (kernel/printk/printk.c:3183)
[  488.319308][ T7966]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  488.319309][ T7966]  ? 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))
[  488.319313][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319316][ T7966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.319321][ T7966]  console_flush_one_record (kernel/printk/printk.c:3268)
[  488.319326][ T7966]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  488.319327][ T7966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  488.319334][ T7966]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  488.319337][ T7966]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  488.319339][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319340][ T7966]  ? 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)
[  488.319345][ T7966]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  488.319347][ T7966]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  488.319350][ T7966]  vprintk_emit (kernel/printk/printk.c:2479)
[  488.319353][ T7966]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  488.319356][ T7966]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  488.319362][ T7966]  _printk (kernel/printk/printk.c:2504)
[  488.319366][ T7966]  ? snapshot_read.cold (user.c:?)
[  488.319368][ T7966]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  488.319370][ T7966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  488.319373][ T7966]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  488.319375][ T7966]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  488.319379][ T7966]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  488.319383][ T7966]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  488.319388][ T7966]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  488.319391][ T7966]  ? netdev_notice (net/core/dev.c:13194)
[  488.319394][ T7966]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  488.319398][ T7966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  488.319400][ T7966]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  488.319404][ T7966]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  488.319407][ T7966]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  488.319409][ T7966]  ? register_netdev (net/core/dev.c:11618)
[  488.319411][ T7966]  ? 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))
[  488.319416][ T7966]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  488.319419][ T7966]  ? __kernel_text_address (kernel/extable.c:79)
[  488.319422][ T7966]  ? write_profile (profile.c:?)
[  488.319426][ T7966]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  488.319433][ T7966]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  488.319436][ T7966]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  488.319439][ T7966]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  488.319440][ T7966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  488.319442][ T7966]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  488.319445][ T7966]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  488.319447][ T7966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  488.319449][ T7966]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  488.319452][ T7966]  ? kasan_save_stack (mm/kasan/common.c:58)
[  488.319454][ T7966]  ? kasan_save_stack (mm/kasan/common.c:57)
[  488.319455][ T7966]  ? kasan_save_track (mm/kasan/common.c:78)
[  488.319456][ T7966]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  488.319459][ T7966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  488.319461][ T7966]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  488.319464][ T7966]  ? ___sys_sendmsg (net/socket.c:2758)
[  488.319468][ T7966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  488.319471][ T7966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  488.319473][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319475][ T7966]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.319477][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319478][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319480][ T7966]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  488.319482][ T7966]  ? __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)
[  488.319484][ T7966]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  488.319486][ T7966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  488.319490][ T7966]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  488.319491][ T7966]  ? nla_get_range_signed (lib/nlattr.c:270)
[  488.319496][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319499][ T7966]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  488.319505][ T7966]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  488.319511][ T7966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  488.319513][ T7966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  488.319519][ T7966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  488.319520][ T7966]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  488.319523][ T7966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  488.319524][ T7966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  488.319529][ T7966]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  488.319531][ T7966]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  488.319535][ T7966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  488.319536][ T7966]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  488.319541][ T7966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  488.319543][ T7966]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  488.319547][ T7966]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  488.319550][ T7966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  488.319553][ T7966]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  488.319561][ T7966]  ? 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))
[  488.319563][ T7966]  ? 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))
[  488.319568][ T7966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  488.319573][ T7966]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  488.319575][ T7966]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  488.319580][ T7966]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  488.319585][ T7966]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  488.319589][ T7966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  488.319591][ T7966]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  488.319597][ T7966]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  488.319600][ T7966]  ____sys_sendmsg (net/socket.c:2713)
[  488.319602][ T7966]  ? copy_msghdr_from_user (net/socket.c:2650)
[  488.319605][ T7966]  ? sock_write_iter (net/socket.c:1269)
[  488.319606][ T7966]  ? move_addr_to_kernel (net/socket.c:258)
[  488.319615][ T7966]  ___sys_sendmsg (net/socket.c:2767)
[  488.319618][ T7966]  ? copy_msghdr_from_user (net/socket.c:2619)
[  488.319638][ T7966]  __sys_sendmsg (net/socket.c:2799)
[  488.319641][ T7966]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  488.319649][ T7966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.319652][ T7966]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  488.319655][ T7966]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  488.319658][ T7966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  488.319661][ T7966] RIP: 0033:0x7f3f3798854e
[  488.319665][ T7966] 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
[  488.319666][ T7966] RSP: 002b:00007fffaf2dc060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  488.319669][ T7966] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f3798854e
[  488.319670][ T7966] RDX: 0000000000000000 RSI: 00007fffaf2dc110 RDI: 0000000000000005
[  488.319671][ T7966] RBP: 00007fffaf2dc070 R08: 0000000000000000 R09: 0000000000000000
[  488.319672][ T7966] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913aec
[  488.319673][ T7966] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaf2dc7e0
| [  497.204051][ T8103] softirqs last disabled at (19074): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  497.204053][ T8103] Preemption disabled at:
| [  497.204054][ T8103] vprintk_emit (kernel/printk/printk.c:2471)
| [  497.204062][ T8103] Tainted: [W]=WARN
[  497.204063][ T8103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  497.204064][ T8103] Call Trace:
[  497.204066][ T8103]  <TASK>
[  497.204067][ T8103]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  497.204073][ T8103]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  497.204075][ T8103]  __might_resched.cold (kernel/sched/core.c:9234)
[  497.204079][ T8103]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  497.204084][ T8103]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  497.204088][ T8103]  __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))
[  497.204090][ T8103]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.204097][ T8103]  ? 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)
[  497.204100][ T8103]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.204104][ T8103]  put_chars (drivers/char/virtio_console.c:1176)
[  497.204107][ T8103]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  497.204115][ T8103]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  497.204123][ T8103]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  497.204127][ T8103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.204132][ T8103]  console_emit_next_record (kernel/printk/printk.c:3183)
[  497.204137][ T8103]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  497.204138][ T8103]  ? 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))
[  497.204142][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204145][ T8103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.204149][ T8103]  console_flush_one_record (kernel/printk/printk.c:3268)
[  497.204154][ T8103]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  497.204156][ T8103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  497.204163][ T8103]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  497.204166][ T8103]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  497.204167][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204169][ T8103]  ? 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)
[  497.204174][ T8103]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  497.204175][ T8103]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  497.204178][ T8103]  vprintk_emit (kernel/printk/printk.c:2479)
[  497.204182][ T8103]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  497.204185][ T8103]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  497.204191][ T8103]  _printk (kernel/printk/printk.c:2504)
[  497.204195][ T8103]  ? snapshot_read.cold (user.c:?)
[  497.204196][ T8103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  497.204199][ T8103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  497.204202][ T8103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  497.204205][ T8103]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  497.204208][ T8103]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  497.204212][ T8103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  497.204214][ T8103]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  497.204217][ T8103]  ? netdev_notice (net/core/dev.c:13194)
[  497.204220][ T8103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  497.204223][ T8103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  497.204226][ T8103]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  497.204230][ T8103]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  497.204233][ T8103]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  497.204235][ T8103]  ? register_netdev (net/core/dev.c:11618)
[  497.204236][ T8103]  ? 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))
[  497.204242][ T8103]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  497.204245][ T8103]  ? __kernel_text_address (kernel/extable.c:79)
[  497.204247][ T8103]  ? write_profile (profile.c:?)
[  497.204252][ T8103]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  497.204258][ T8103]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  497.204262][ T8103]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  497.204264][ T8103]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  497.204265][ T8103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  497.204267][ T8103]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  497.204271][ T8103]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  497.204273][ T8103]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  497.204275][ T8103]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  497.204277][ T8103]  ? kasan_save_stack (mm/kasan/common.c:58)
[  497.204279][ T8103]  ? kasan_save_stack (mm/kasan/common.c:57)
[  497.204281][ T8103]  ? kasan_save_track (mm/kasan/common.c:78)
[  497.204282][ T8103]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  497.204284][ T8103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  497.204286][ T8103]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  497.204289][ T8103]  ? ___sys_sendmsg (net/socket.c:2758)
[  497.204294][ T8103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  497.204296][ T8103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  497.204299][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204301][ T8103]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.204302][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204303][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204305][ T8103]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  497.204308][ T8103]  ? __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)
[  497.204309][ T8103]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  497.204311][ T8103]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  497.204315][ T8103]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  497.204316][ T8103]  ? nla_get_range_signed (lib/nlattr.c:270)
[  497.204322][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204324][ T8103]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  497.204330][ T8103]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  497.204337][ T8103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.204339][ T8103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  497.204344][ T8103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  497.204346][ T8103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  497.204348][ T8103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.204350][ T8103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  497.204354][ T8103]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.204356][ T8103]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  497.204360][ T8103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  497.204361][ T8103]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  497.204367][ T8103]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  497.204369][ T8103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  497.204373][ T8103]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  497.204376][ T8103]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  497.204379][ T8103]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  497.204390][ T8103]  ? 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))
[  497.204392][ T8103]  ? 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))
[  497.204397][ T8103]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  497.204402][ T8103]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  497.204405][ T8103]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  497.204410][ T8103]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  497.204415][ T8103]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  497.204419][ T8103]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  497.204421][ T8103]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  497.204427][ T8103]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  497.204430][ T8103]  ____sys_sendmsg (net/socket.c:2713)
[  497.204432][ T8103]  ? copy_msghdr_from_user (net/socket.c:2650)
[  497.204434][ T8103]  ? sock_write_iter (net/socket.c:1269)
[  497.204436][ T8103]  ? move_addr_to_kernel (net/socket.c:258)
[  497.204445][ T8103]  ___sys_sendmsg (net/socket.c:2767)
[  497.204448][ T8103]  ? copy_msghdr_from_user (net/socket.c:2619)
[  497.204468][ T8103]  __sys_sendmsg (net/socket.c:2799)
[  497.204471][ T8103]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  497.204478][ T8103]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.204482][ T8103]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  497.204485][ T8103]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  497.204488][ T8103]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  497.204490][ T8103] RIP: 0033:0x7feef677f54e
[  497.204494][ T8103] 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
[  497.204496][ T8103] RSP: 002b:00007fffb7558d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  497.204499][ T8103] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feef677f54e
[  497.204500][ T8103] RDX: 0000000000000000 RSI: 00007fffb7558e40 RDI: 0000000000000005
[  497.204501][ T8103] RBP: 00007fffb7558da0 R08: 0000000000000000 R09: 0000000000000000
[  497.204502][ T8103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913af5
[  497.204502][ T8103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb7559510
| [  506.316046][ T8239] softirqs last disabled at (24456): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  506.316048][ T8239] Preemption disabled at:
| [  506.316049][ T8239] vprintk_emit (kernel/printk/printk.c:2471)
| [  506.316057][ T8239] Tainted: [W]=WARN
[  506.316058][ T8239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  506.316059][ T8239] Call Trace:
[  506.316061][ T8239]  <TASK>
[  506.316062][ T8239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  506.316068][ T8239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  506.316070][ T8239]  __might_resched.cold (kernel/sched/core.c:9234)
[  506.316075][ T8239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  506.316079][ T8239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  506.316084][ T8239]  __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))
[  506.316086][ T8239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.316093][ T8239]  ? 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)
[  506.316096][ T8239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.316100][ T8239]  put_chars (drivers/char/virtio_console.c:1176)
[  506.316103][ T8239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  506.316111][ T8239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  506.316119][ T8239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  506.316123][ T8239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.316128][ T8239]  console_emit_next_record (kernel/printk/printk.c:3183)
[  506.316132][ T8239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  506.316134][ T8239]  ? 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))
[  506.316138][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316140][ T8239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.316145][ T8239]  console_flush_one_record (kernel/printk/printk.c:3268)
[  506.316150][ T8239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  506.316152][ T8239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.316158][ T8239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  506.316161][ T8239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  506.316163][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316165][ T8239]  ? 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)
[  506.316169][ T8239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  506.316171][ T8239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  506.316174][ T8239]  vprintk_emit (kernel/printk/printk.c:2479)
[  506.316178][ T8239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  506.316181][ T8239]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  506.316187][ T8239]  _printk (kernel/printk/printk.c:2504)
[  506.316191][ T8239]  ? snapshot_read.cold (user.c:?)
[  506.316192][ T8239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  506.316196][ T8239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  506.316198][ T8239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  506.316201][ T8239]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  506.316205][ T8239]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  506.316208][ T8239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.316210][ T8239]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  506.316213][ T8239]  ? netdev_notice (net/core/dev.c:13194)
[  506.316216][ T8239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.316219][ T8239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  506.316222][ T8239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  506.316226][ T8239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.316229][ T8239]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  506.316231][ T8239]  ? register_netdev (net/core/dev.c:11618)
[  506.316232][ T8239]  ? 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))
[  506.316238][ T8239]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  506.316241][ T8239]  ? __kernel_text_address (kernel/extable.c:79)
[  506.316243][ T8239]  ? write_profile (profile.c:?)
[  506.316248][ T8239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  506.316254][ T8239]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.316258][ T8239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  506.316260][ T8239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  506.316262][ T8239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  506.316264][ T8239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  506.316267][ T8239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  506.316269][ T8239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  506.316271][ T8239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  506.316274][ T8239]  ? kasan_save_stack (mm/kasan/common.c:58)
[  506.316276][ T8239]  ? kasan_save_stack (mm/kasan/common.c:57)
[  506.316277][ T8239]  ? kasan_save_track (mm/kasan/common.c:78)
[  506.316278][ T8239]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  506.316281][ T8239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.316283][ T8239]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  506.316286][ T8239]  ? ___sys_sendmsg (net/socket.c:2758)
[  506.316290][ T8239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  506.316292][ T8239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  506.316295][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316297][ T8239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.316299][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316300][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316302][ T8239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  506.316304][ T8239]  ? __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)
[  506.316305][ T8239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  506.316307][ T8239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  506.316311][ T8239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  506.316313][ T8239]  ? nla_get_range_signed (lib/nlattr.c:270)
[  506.316318][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316321][ T8239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  506.316327][ T8239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.316333][ T8239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.316335][ T8239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.316341][ T8239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  506.316343][ T8239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.316345][ T8239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.316347][ T8239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  506.316351][ T8239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.316353][ T8239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  506.316357][ T8239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.316358][ T8239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  506.316363][ T8239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  506.316365][ T8239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.316369][ T8239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  506.316373][ T8239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.316376][ T8239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  506.316387][ T8239]  ? 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))
[  506.316389][ T8239]  ? 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))
[  506.316394][ T8239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  506.316399][ T8239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  506.316402][ T8239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  506.316407][ T8239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  506.316411][ T8239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  506.316416][ T8239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  506.316417][ T8239]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  506.316423][ T8239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  506.316427][ T8239]  ____sys_sendmsg (net/socket.c:2713)
[  506.316429][ T8239]  ? copy_msghdr_from_user (net/socket.c:2650)
[  506.316431][ T8239]  ? sock_write_iter (net/socket.c:1269)
[  506.316433][ T8239]  ? move_addr_to_kernel (net/socket.c:258)
[  506.316442][ T8239]  ___sys_sendmsg (net/socket.c:2767)
[  506.316445][ T8239]  ? copy_msghdr_from_user (net/socket.c:2619)
[  506.316465][ T8239]  __sys_sendmsg (net/socket.c:2799)
[  506.316468][ T8239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  506.316476][ T8239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.316479][ T8239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  506.316482][ T8239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  506.316486][ T8239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.316488][ T8239] RIP: 0033:0x7f7ffd66254e
[  506.316492][ T8239] 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
[  506.316493][ T8239] RSP: 002b:00007fffe53d80a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  506.316496][ T8239] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7ffd66254e
[  506.316498][ T8239] RDX: 0000000000000000 RSI: 00007fffe53d8150 RDI: 0000000000000005
[  506.316498][ T8239] RBP: 00007fffe53d80b0 R08: 0000000000000000 R09: 0000000000000000
[  506.316499][ T8239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913afe
[  506.316500][ T8239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe53d8820
| [  515.279080][ T8375] softirqs last disabled at (23886): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  515.279082][ T8375] Preemption disabled at:
| [  515.279083][ T8375] vprintk_emit (kernel/printk/printk.c:2471)
| [  515.279091][ T8375] Tainted: [W]=WARN
[  515.279092][ T8375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  515.279094][ T8375] Call Trace:
[  515.279096][ T8375]  <TASK>
[  515.279097][ T8375]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  515.279103][ T8375]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  515.279105][ T8375]  __might_resched.cold (kernel/sched/core.c:9234)
[  515.279109][ T8375]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  515.279114][ T8375]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  515.279118][ T8375]  __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))
[  515.279120][ T8375]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.279128][ T8375]  ? 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)
[  515.279130][ T8375]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.279134][ T8375]  put_chars (drivers/char/virtio_console.c:1176)
[  515.279137][ T8375]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  515.279145][ T8375]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  515.279153][ T8375]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  515.279157][ T8375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.279162][ T8375]  console_emit_next_record (kernel/printk/printk.c:3183)
[  515.279166][ T8375]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  515.279168][ T8375]  ? 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))
[  515.279172][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279175][ T8375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.279179][ T8375]  console_flush_one_record (kernel/printk/printk.c:3268)
[  515.279184][ T8375]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  515.279186][ T8375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.279192][ T8375]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  515.279195][ T8375]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  515.279197][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279199][ T8375]  ? 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)
[  515.279203][ T8375]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  515.279205][ T8375]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  515.279208][ T8375]  vprintk_emit (kernel/printk/printk.c:2479)
[  515.279212][ T8375]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  515.279215][ T8375]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  515.279220][ T8375]  _printk (kernel/printk/printk.c:2504)
[  515.279225][ T8375]  ? snapshot_read.cold (user.c:?)
[  515.279226][ T8375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  515.279229][ T8375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  515.279232][ T8375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  515.279234][ T8375]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  515.279238][ T8375]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  515.279241][ T8375]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  515.279244][ T8375]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  515.279247][ T8375]  ? netdev_notice (net/core/dev.c:13194)
[  515.279250][ T8375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.279253][ T8375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.279256][ T8375]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  515.279260][ T8375]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  515.279262][ T8375]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  515.279264][ T8375]  ? register_netdev (net/core/dev.c:11618)
[  515.279266][ T8375]  ? 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))
[  515.279271][ T8375]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  515.279274][ T8375]  ? __kernel_text_address (kernel/extable.c:79)
[  515.279277][ T8375]  ? write_profile (profile.c:?)
[  515.279281][ T8375]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  515.279287][ T8375]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  515.279291][ T8375]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  515.279293][ T8375]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  515.279295][ T8375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  515.279297][ T8375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  515.279300][ T8375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  515.279302][ T8375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  515.279304][ T8375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  515.279307][ T8375]  ? kasan_save_stack (mm/kasan/common.c:58)
[  515.279309][ T8375]  ? kasan_save_stack (mm/kasan/common.c:57)
[  515.279310][ T8375]  ? kasan_save_track (mm/kasan/common.c:78)
[  515.279311][ T8375]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  515.279314][ T8375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.279316][ T8375]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  515.279319][ T8375]  ? ___sys_sendmsg (net/socket.c:2758)
[  515.279323][ T8375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  515.279325][ T8375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  515.279328][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279330][ T8375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.279331][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279332][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279334][ T8375]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  515.279337][ T8375]  ? __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)
[  515.279338][ T8375]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  515.279340][ T8375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  515.279344][ T8375]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  515.279345][ T8375]  ? nla_get_range_signed (lib/nlattr.c:270)
[  515.279350][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279353][ T8375]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  515.279359][ T8375]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  515.279365][ T8375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  515.279367][ T8375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.279373][ T8375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  515.279375][ T8375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.279377][ T8375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  515.279379][ T8375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.279383][ T8375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  515.279388][ T8375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  515.279392][ T8375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  515.279393][ T8375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  515.279398][ T8375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  515.279400][ T8375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.279405][ T8375]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  515.279407][ T8375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  515.279411][ T8375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  515.279418][ T8375]  ? 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))
[  515.279420][ T8375]  ? 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))
[  515.279426][ T8375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  515.279430][ T8375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  515.279433][ T8375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.279438][ T8375]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  515.279443][ T8375]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  515.279447][ T8375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  515.279449][ T8375]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  515.279455][ T8375]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  515.279458][ T8375]  ____sys_sendmsg (net/socket.c:2713)
[  515.279460][ T8375]  ? copy_msghdr_from_user (net/socket.c:2650)
[  515.279463][ T8375]  ? sock_write_iter (net/socket.c:1269)
[  515.279464][ T8375]  ? move_addr_to_kernel (net/socket.c:258)
[  515.279473][ T8375]  ___sys_sendmsg (net/socket.c:2767)
[  515.279476][ T8375]  ? copy_msghdr_from_user (net/socket.c:2619)
[  515.279496][ T8375]  __sys_sendmsg (net/socket.c:2799)
[  515.279499][ T8375]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  515.279507][ T8375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.279510][ T8375]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  515.279513][ T8375]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  515.279516][ T8375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  515.279519][ T8375] RIP: 0033:0x7f982750354e
[  515.279523][ T8375] 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
[  515.279524][ T8375] RSP: 002b:00007ffc5c47e400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  515.279527][ T8375] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f982750354e
[  515.279528][ T8375] RDX: 0000000000000000 RSI: 00007ffc5c47e4b0 RDI: 0000000000000005
[  515.279529][ T8375] RBP: 00007ffc5c47e410 R08: 0000000000000000 R09: 0000000000000000
[  515.279530][ T8375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b07
[  515.279530][ T8375] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5c47eb80
| [  524.197166][ T8518] softirqs last disabled at (23002): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  524.197169][ T8518] Preemption disabled at:
| [  524.197169][ T8518] vprintk_emit (kernel/printk/printk.c:2471)
| [  524.197177][ T8518] Tainted: [W]=WARN
[  524.197178][ T8518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  524.197180][ T8518] Call Trace:
[  524.197182][ T8518]  <TASK>
[  524.197183][ T8518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  524.197189][ T8518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  524.197191][ T8518]  __might_resched.cold (kernel/sched/core.c:9234)
[  524.197196][ T8518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  524.197200][ T8518]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  524.197205][ T8518]  __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))
[  524.197207][ T8518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.197214][ T8518]  ? 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)
[  524.197217][ T8518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.197221][ T8518]  put_chars (drivers/char/virtio_console.c:1176)
[  524.197223][ T8518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  524.197231][ T8518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  524.197240][ T8518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  524.197243][ T8518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.197248][ T8518]  console_emit_next_record (kernel/printk/printk.c:3183)
[  524.197253][ T8518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  524.197254][ T8518]  ? 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))
[  524.197258][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197261][ T8518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.197265][ T8518]  console_flush_one_record (kernel/printk/printk.c:3268)
[  524.197270][ T8518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  524.197272][ T8518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.197278][ T8518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  524.197281][ T8518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  524.197283][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197285][ T8518]  ? 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)
[  524.197289][ T8518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  524.197291][ T8518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  524.197294][ T8518]  vprintk_emit (kernel/printk/printk.c:2479)
[  524.197298][ T8518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  524.197301][ T8518]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  524.197306][ T8518]  _printk (kernel/printk/printk.c:2504)
[  524.197310][ T8518]  ? snapshot_read.cold (user.c:?)
[  524.197312][ T8518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  524.197315][ T8518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  524.197317][ T8518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  524.197320][ T8518]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  524.197324][ T8518]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  524.197327][ T8518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  524.197329][ T8518]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  524.197332][ T8518]  ? netdev_notice (net/core/dev.c:13194)
[  524.197335][ T8518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.197338][ T8518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.197341][ T8518]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  524.197345][ T8518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  524.197347][ T8518]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  524.197350][ T8518]  ? register_netdev (net/core/dev.c:11618)
[  524.197351][ T8518]  ? 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))
[  524.197357][ T8518]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  524.197359][ T8518]  ? __kernel_text_address (kernel/extable.c:79)
[  524.197362][ T8518]  ? write_profile (profile.c:?)
[  524.197366][ T8518]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  524.197373][ T8518]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  524.197377][ T8518]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  524.197379][ T8518]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  524.197380][ T8518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  524.197382][ T8518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  524.197388][ T8518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  524.197390][ T8518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  524.197392][ T8518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  524.197395][ T8518]  ? kasan_save_stack (mm/kasan/common.c:58)
[  524.197397][ T8518]  ? kasan_save_stack (mm/kasan/common.c:57)
[  524.197398][ T8518]  ? kasan_save_track (mm/kasan/common.c:78)
[  524.197399][ T8518]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  524.197402][ T8518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.197404][ T8518]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  524.197407][ T8518]  ? ___sys_sendmsg (net/socket.c:2758)
[  524.197412][ T8518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  524.197415][ T8518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  524.197420][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197423][ T8518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.197425][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197426][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197428][ T8518]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  524.197430][ T8518]  ? __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)
[  524.197432][ T8518]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  524.197434][ T8518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  524.197438][ T8518]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  524.197439][ T8518]  ? nla_get_range_signed (lib/nlattr.c:270)
[  524.197444][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197447][ T8518]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  524.197453][ T8518]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  524.197460][ T8518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.197462][ T8518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.197467][ T8518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  524.197469][ T8518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.197471][ T8518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.197473][ T8518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.197477][ T8518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  524.197480][ T8518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  524.197483][ T8518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  524.197484][ T8518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.197490][ T8518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  524.197492][ T8518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.197496][ T8518]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  524.197499][ T8518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  524.197502][ T8518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  524.197510][ T8518]  ? 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))
[  524.197512][ T8518]  ? 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))
[  524.197517][ T8518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  524.197522][ T8518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  524.197525][ T8518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.197530][ T8518]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  524.197534][ T8518]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  524.197541][ T8518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.197543][ T8518]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  524.197550][ T8518]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  524.197553][ T8518]  ____sys_sendmsg (net/socket.c:2713)
[  524.197555][ T8518]  ? copy_msghdr_from_user (net/socket.c:2650)
[  524.197558][ T8518]  ? sock_write_iter (net/socket.c:1269)
[  524.197559][ T8518]  ? move_addr_to_kernel (net/socket.c:258)
[  524.197568][ T8518]  ___sys_sendmsg (net/socket.c:2767)
[  524.197571][ T8518]  ? copy_msghdr_from_user (net/socket.c:2619)
[  524.197591][ T8518]  __sys_sendmsg (net/socket.c:2799)
[  524.197594][ T8518]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  524.197601][ T8518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.197605][ T8518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  524.197608][ T8518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  524.197611][ T8518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  524.197613][ T8518] RIP: 0033:0x7f73a771154e
[  524.197617][ T8518] 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
[  524.197619][ T8518] RSP: 002b:00007ffca40f39e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  524.197621][ T8518] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f73a771154e
[  524.197623][ T8518] RDX: 0000000000000000 RSI: 00007ffca40f3a90 RDI: 0000000000000005
[  524.197624][ T8518] RBP: 00007ffca40f39f0 R08: 0000000000000000 R09: 0000000000000000
[  524.197625][ T8518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b10
[  524.197625][ T8518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca40f4160
| [  533.141339][ T8661] softirqs last disabled at (25180): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  533.141342][ T8661] Preemption disabled at:
| [  533.141342][ T8661] vprintk_emit (kernel/printk/printk.c:2471)
| [  533.141350][ T8661] Tainted: [W]=WARN
[  533.141351][ T8661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.141352][ T8661] Call Trace:
[  533.141354][ T8661]  <TASK>
[  533.141356][ T8661]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  533.141361][ T8661]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  533.141363][ T8661]  __might_resched.cold (kernel/sched/core.c:9234)
[  533.141367][ T8661]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  533.141372][ T8661]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  533.141377][ T8661]  __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))
[  533.141379][ T8661]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.141389][ T8661]  ? 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)
[  533.141392][ T8661]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.141396][ T8661]  put_chars (drivers/char/virtio_console.c:1176)
[  533.141400][ T8661]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  533.141409][ T8661]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  533.141418][ T8661]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  533.141422][ T8661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.141427][ T8661]  console_emit_next_record (kernel/printk/printk.c:3183)
[  533.141431][ T8661]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  533.141433][ T8661]  ? 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))
[  533.141437][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141440][ T8661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.141444][ T8661]  console_flush_one_record (kernel/printk/printk.c:3268)
[  533.141449][ T8661]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  533.141451][ T8661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.141457][ T8661]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  533.141461][ T8661]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  533.141462][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141464][ T8661]  ? 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)
[  533.141469][ T8661]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  533.141470][ T8661]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  533.141473][ T8661]  vprintk_emit (kernel/printk/printk.c:2479)
[  533.141477][ T8661]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  533.141480][ T8661]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  533.141486][ T8661]  _printk (kernel/printk/printk.c:2504)
[  533.141489][ T8661]  ? snapshot_read.cold (user.c:?)
[  533.141491][ T8661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  533.141496][ T8661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  533.141499][ T8661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  533.141502][ T8661]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  533.141505][ T8661]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  533.141508][ T8661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  533.141511][ T8661]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  533.141514][ T8661]  ? netdev_notice (net/core/dev.c:13194)
[  533.141517][ T8661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.141520][ T8661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.141523][ T8661]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  533.141527][ T8661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  533.141529][ T8661]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  533.141532][ T8661]  ? register_netdev (net/core/dev.c:11618)
[  533.141533][ T8661]  ? 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))
[  533.141539][ T8661]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  533.141542][ T8661]  ? __kernel_text_address (kernel/extable.c:79)
[  533.141544][ T8661]  ? write_profile (profile.c:?)
[  533.141549][ T8661]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  533.141555][ T8661]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  533.141559][ T8661]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  533.141561][ T8661]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  533.141562][ T8661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  533.141564][ T8661]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  533.141568][ T8661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  533.141570][ T8661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  533.141572][ T8661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  533.141574][ T8661]  ? kasan_save_stack (mm/kasan/common.c:58)
[  533.141576][ T8661]  ? kasan_save_stack (mm/kasan/common.c:57)
[  533.141578][ T8661]  ? kasan_save_track (mm/kasan/common.c:78)
[  533.141579][ T8661]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  533.141581][ T8661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.141584][ T8661]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  533.141589][ T8661]  ? ___sys_sendmsg (net/socket.c:2758)
[  533.141594][ T8661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.141596][ T8661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  533.141599][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141600][ T8661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.141602][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141603][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141605][ T8661]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  533.141607][ T8661]  ? __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)
[  533.141609][ T8661]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  533.141611][ T8661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  533.141615][ T8661]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  533.141616][ T8661]  ? nla_get_range_signed (lib/nlattr.c:270)
[  533.141621][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141624][ T8661]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  533.141630][ T8661]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  533.141636][ T8661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.141638][ T8661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.141644][ T8661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.141646][ T8661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.141648][ T8661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.141650][ T8661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.141654][ T8661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.141656][ T8661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  533.141660][ T8661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.141661][ T8661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  533.141666][ T8661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  533.141668][ T8661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.141672][ T8661]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  533.141675][ T8661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.141678][ T8661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  533.141686][ T8661]  ? 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))
[  533.141688][ T8661]  ? 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))
[  533.141693][ T8661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  533.141698][ T8661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  533.141701][ T8661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  533.141706][ T8661]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  533.141710][ T8661]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  533.141715][ T8661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  533.141716][ T8661]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  533.141722][ T8661]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  533.141725][ T8661]  ____sys_sendmsg (net/socket.c:2713)
[  533.141727][ T8661]  ? copy_msghdr_from_user (net/socket.c:2650)
[  533.141730][ T8661]  ? sock_write_iter (net/socket.c:1269)
[  533.141731][ T8661]  ? move_addr_to_kernel (net/socket.c:258)
[  533.141740][ T8661]  ___sys_sendmsg (net/socket.c:2767)
[  533.141744][ T8661]  ? copy_msghdr_from_user (net/socket.c:2619)
[  533.141763][ T8661]  __sys_sendmsg (net/socket.c:2799)
[  533.141766][ T8661]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  533.141774][ T8661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.141777][ T8661]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  533.141780][ T8661]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  533.141783][ T8661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  533.141786][ T8661] RIP: 0033:0x7f33eab8d54e
[  533.141789][ T8661] 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
[  533.141791][ T8661] RSP: 002b:00007fff6cf49580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  533.141794][ T8661] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f33eab8d54e
[  533.141795][ T8661] RDX: 0000000000000000 RSI: 00007fff6cf49630 RDI: 0000000000000005
[  533.141796][ T8661] RBP: 00007fff6cf49590 R08: 0000000000000000 R09: 0000000000000000
[  533.141797][ T8661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b19
[  533.141797][ T8661] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6cf49d00
| [  541.985999][ T8804] softirqs last disabled at (23548): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  541.986001][ T8804] Preemption disabled at:
| [  541.986002][ T8804] vprintk_emit (kernel/printk/printk.c:2471)
| [  541.986010][ T8804] Tainted: [W]=WARN
[  541.986011][ T8804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  541.986013][ T8804] Call Trace:
[  541.986015][ T8804]  <TASK>
[  541.986016][ T8804]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  541.986022][ T8804]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  541.986024][ T8804]  __might_resched.cold (kernel/sched/core.c:9234)
[  541.986029][ T8804]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  541.986033][ T8804]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  541.986041][ T8804]  __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))
[  541.986044][ T8804]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.986051][ T8804]  ? 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)
[  541.986053][ T8804]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.986057][ T8804]  put_chars (drivers/char/virtio_console.c:1176)
[  541.986060][ T8804]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  541.986067][ T8804]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  541.986076][ T8804]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  541.986080][ T8804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.986085][ T8804]  console_emit_next_record (kernel/printk/printk.c:3183)
[  541.986089][ T8804]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  541.986091][ T8804]  ? 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))
[  541.986095][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986097][ T8804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.986102][ T8804]  console_flush_one_record (kernel/printk/printk.c:3268)
[  541.986107][ T8804]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  541.986109][ T8804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.986115][ T8804]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  541.986118][ T8804]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  541.986120][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986122][ T8804]  ? 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)
[  541.986126][ T8804]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  541.986128][ T8804]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  541.986131][ T8804]  vprintk_emit (kernel/printk/printk.c:2479)
[  541.986135][ T8804]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  541.986138][ T8804]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  541.986143][ T8804]  _printk (kernel/printk/printk.c:2504)
[  541.986147][ T8804]  ? snapshot_read.cold (user.c:?)
[  541.986149][ T8804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  541.986152][ T8804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  541.986154][ T8804]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  541.986157][ T8804]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  541.986161][ T8804]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  541.986164][ T8804]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  541.986166][ T8804]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  541.986169][ T8804]  ? netdev_notice (net/core/dev.c:13194)
[  541.986172][ T8804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  541.986175][ T8804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  541.986178][ T8804]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  541.986182][ T8804]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  541.986184][ T8804]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  541.986186][ T8804]  ? register_netdev (net/core/dev.c:11618)
[  541.986188][ T8804]  ? 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))
[  541.986194][ T8804]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  541.986196][ T8804]  ? __kernel_text_address (kernel/extable.c:79)
[  541.986199][ T8804]  ? write_profile (profile.c:?)
[  541.986203][ T8804]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  541.986209][ T8804]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  541.986213][ T8804]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  541.986215][ T8804]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  541.986217][ T8804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  541.986219][ T8804]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  541.986222][ T8804]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  541.986224][ T8804]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  541.986226][ T8804]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  541.986229][ T8804]  ? kasan_save_stack (mm/kasan/common.c:58)
[  541.986231][ T8804]  ? kasan_save_stack (mm/kasan/common.c:57)
[  541.986232][ T8804]  ? kasan_save_track (mm/kasan/common.c:78)
[  541.986233][ T8804]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  541.986236][ T8804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.986238][ T8804]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  541.986241][ T8804]  ? ___sys_sendmsg (net/socket.c:2758)
[  541.986245][ T8804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  541.986247][ T8804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  541.986250][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986252][ T8804]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.986253][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986254][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986256][ T8804]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  541.986259][ T8804]  ? __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)
[  541.986260][ T8804]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  541.986262][ T8804]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  541.986266][ T8804]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  541.986267][ T8804]  ? nla_get_range_signed (lib/nlattr.c:270)
[  541.986272][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986275][ T8804]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  541.986281][ T8804]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  541.986288][ T8804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  541.986290][ T8804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.986295][ T8804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  541.986297][ T8804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  541.986299][ T8804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  541.986301][ T8804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  541.986305][ T8804]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  541.986308][ T8804]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  541.986311][ T8804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  541.986312][ T8804]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.986318][ T8804]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  541.986320][ T8804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  541.986324][ T8804]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  541.986327][ T8804]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  541.986330][ T8804]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  541.986338][ T8804]  ? 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))
[  541.986340][ T8804]  ? 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))
[  541.986345][ T8804]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  541.986349][ T8804]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  541.986352][ T8804]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  541.986357][ T8804]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  541.986362][ T8804]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  541.986366][ T8804]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  541.986368][ T8804]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  541.986373][ T8804]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  541.986377][ T8804]  ____sys_sendmsg (net/socket.c:2713)
[  541.986379][ T8804]  ? copy_msghdr_from_user (net/socket.c:2650)
[  541.986381][ T8804]  ? sock_write_iter (net/socket.c:1269)
[  541.986383][ T8804]  ? move_addr_to_kernel (net/socket.c:258)
[  541.986395][ T8804]  ___sys_sendmsg (net/socket.c:2767)
[  541.986398][ T8804]  ? copy_msghdr_from_user (net/socket.c:2619)
[  541.986417][ T8804]  __sys_sendmsg (net/socket.c:2799)
[  541.986420][ T8804]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  541.986428][ T8804]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.986431][ T8804]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  541.986434][ T8804]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  541.986438][ T8804]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  541.986440][ T8804] RIP: 0033:0x7f58df94654e
[  541.986443][ T8804] 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
[  541.986445][ T8804] RSP: 002b:00007ffdc60677f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  541.986448][ T8804] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f58df94654e
[  541.986449][ T8804] RDX: 0000000000000000 RSI: 00007ffdc60678a0 RDI: 0000000000000005
[  541.986450][ T8804] RBP: 00007ffdc6067800 R08: 0000000000000000 R09: 0000000000000000
[  541.986451][ T8804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b22
[  541.986451][ T8804] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc6067f70
| [  550.891218][ T8947] softirqs last disabled at (19790): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  550.891221][ T8947] Preemption disabled at:
| [  550.891221][ T8947] vprintk_emit (kernel/printk/printk.c:2471)
| [  550.891229][ T8947] Tainted: [W]=WARN
[  550.891230][ T8947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  550.891232][ T8947] Call Trace:
[  550.891234][ T8947]  <TASK>
[  550.891235][ T8947]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  550.891241][ T8947]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  550.891242][ T8947]  __might_resched.cold (kernel/sched/core.c:9234)
[  550.891247][ T8947]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  550.891251][ T8947]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  550.891256][ T8947]  __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))
[  550.891258][ T8947]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  550.891265][ T8947]  ? 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)
[  550.891268][ T8947]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  550.891272][ T8947]  put_chars (drivers/char/virtio_console.c:1176)
[  550.891275][ T8947]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  550.891282][ T8947]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  550.891291][ T8947]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  550.891294][ T8947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.891299][ T8947]  console_emit_next_record (kernel/printk/printk.c:3183)
[  550.891304][ T8947]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  550.891306][ T8947]  ? 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))
[  550.891309][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891312][ T8947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.891316][ T8947]  console_flush_one_record (kernel/printk/printk.c:3268)
[  550.891321][ T8947]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  550.891323][ T8947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  550.891329][ T8947]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  550.891332][ T8947]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  550.891334][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891336][ T8947]  ? 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)
[  550.891340][ T8947]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  550.891342][ T8947]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  550.891345][ T8947]  vprintk_emit (kernel/printk/printk.c:2479)
[  550.891348][ T8947]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  550.891351][ T8947]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  550.891357][ T8947]  _printk (kernel/printk/printk.c:2504)
[  550.891361][ T8947]  ? snapshot_read.cold (user.c:?)
[  550.891362][ T8947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  550.891365][ T8947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  550.891368][ T8947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  550.891370][ T8947]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  550.891374][ T8947]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  550.891377][ T8947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  550.891380][ T8947]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  550.891382][ T8947]  ? netdev_notice (net/core/dev.c:13194)
[  550.891388][ T8947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  550.891392][ T8947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  550.891394][ T8947]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  550.891398][ T8947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  550.891401][ T8947]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  550.891403][ T8947]  ? register_netdev (net/core/dev.c:11618)
[  550.891404][ T8947]  ? 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))
[  550.891410][ T8947]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  550.891413][ T8947]  ? __kernel_text_address (kernel/extable.c:79)
[  550.891415][ T8947]  ? write_profile (profile.c:?)
[  550.891420][ T8947]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  550.891426][ T8947]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  550.891430][ T8947]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  550.891432][ T8947]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  550.891433][ T8947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  550.891435][ T8947]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  550.891439][ T8947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  550.891441][ T8947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  550.891442][ T8947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  550.891445][ T8947]  ? kasan_save_stack (mm/kasan/common.c:58)
[  550.891447][ T8947]  ? kasan_save_stack (mm/kasan/common.c:57)
[  550.891448][ T8947]  ? kasan_save_track (mm/kasan/common.c:78)
[  550.891449][ T8947]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  550.891452][ T8947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  550.891454][ T8947]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  550.891457][ T8947]  ? ___sys_sendmsg (net/socket.c:2758)
[  550.891461][ T8947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  550.891463][ T8947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  550.891466][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891468][ T8947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.891469][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891471][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891472][ T8947]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  550.891475][ T8947]  ? __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)
[  550.891476][ T8947]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  550.891478][ T8947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  550.891482][ T8947]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  550.891483][ T8947]  ? nla_get_range_signed (lib/nlattr.c:270)
[  550.891488][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891491][ T8947]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  550.891497][ T8947]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  550.891503][ T8947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  550.891505][ T8947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  550.891511][ T8947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  550.891513][ T8947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  550.891515][ T8947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  550.891517][ T8947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  550.891521][ T8947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  550.891523][ T8947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  550.891527][ T8947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  550.891528][ T8947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  550.891533][ T8947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  550.891535][ T8947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  550.891539][ T8947]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  550.891542][ T8947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  550.891546][ T8947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  550.891553][ T8947]  ? 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))
[  550.891555][ T8947]  ? 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))
[  550.891561][ T8947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  550.891565][ T8947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  550.891568][ T8947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  550.891573][ T8947]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  550.891578][ T8947]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  550.891582][ T8947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  550.891584][ T8947]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  550.891590][ T8947]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  550.891593][ T8947]  ____sys_sendmsg (net/socket.c:2713)
[  550.891595][ T8947]  ? copy_msghdr_from_user (net/socket.c:2650)
[  550.891598][ T8947]  ? sock_write_iter (net/socket.c:1269)
[  550.891599][ T8947]  ? move_addr_to_kernel (net/socket.c:258)
[  550.891608][ T8947]  ___sys_sendmsg (net/socket.c:2767)
[  550.891611][ T8947]  ? copy_msghdr_from_user (net/socket.c:2619)
[  550.891631][ T8947]  __sys_sendmsg (net/socket.c:2799)
[  550.891634][ T8947]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  550.891641][ T8947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.891645][ T8947]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  550.891648][ T8947]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  550.891651][ T8947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  550.891653][ T8947] RIP: 0033:0x7fb3cfc3954e
[  550.891657][ T8947] 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
[  550.891659][ T8947] RSP: 002b:00007ffdb35702a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  550.891661][ T8947] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb3cfc3954e
[  550.891663][ T8947] RDX: 0000000000000000 RSI: 00007ffdb3570350 RDI: 0000000000000005
[  550.891663][ T8947] RBP: 00007ffdb35702b0 R08: 0000000000000000 R09: 0000000000000000
[  550.891664][ T8947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b2b
[  550.891665][ T8947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb3570a20
| [  559.780146][ T9090] softirqs last disabled at (19354): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  559.780148][ T9090] Preemption disabled at:
| [  559.780149][ T9090] vprintk_emit (kernel/printk/printk.c:2471)
| [  559.780157][ T9090] Tainted: [W]=WARN
[  559.780158][ T9090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  559.780159][ T9090] Call Trace:
[  559.780161][ T9090]  <TASK>
[  559.780162][ T9090]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  559.780168][ T9090]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  559.780170][ T9090]  __might_resched.cold (kernel/sched/core.c:9234)
[  559.780175][ T9090]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  559.780179][ T9090]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  559.780184][ T9090]  __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))
[  559.780186][ T9090]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  559.780193][ T9090]  ? 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)
[  559.780195][ T9090]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  559.780199][ T9090]  put_chars (drivers/char/virtio_console.c:1176)
[  559.780202][ T9090]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  559.780210][ T9090]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  559.780219][ T9090]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  559.780222][ T9090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  559.780227][ T9090]  console_emit_next_record (kernel/printk/printk.c:3183)
[  559.780232][ T9090]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  559.780233][ T9090]  ? 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))
[  559.780237][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780240][ T9090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  559.780244][ T9090]  console_flush_one_record (kernel/printk/printk.c:3268)
[  559.780249][ T9090]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  559.780251][ T9090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  559.780257][ T9090]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  559.780260][ T9090]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  559.780262][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780264][ T9090]  ? 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)
[  559.780268][ T9090]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  559.780270][ T9090]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  559.780273][ T9090]  vprintk_emit (kernel/printk/printk.c:2479)
[  559.780276][ T9090]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  559.780279][ T9090]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  559.780285][ T9090]  _printk (kernel/printk/printk.c:2504)
[  559.780288][ T9090]  ? snapshot_read.cold (user.c:?)
[  559.780290][ T9090]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  559.780293][ T9090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  559.780296][ T9090]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  559.780298][ T9090]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  559.780302][ T9090]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  559.780305][ T9090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  559.780307][ T9090]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  559.780311][ T9090]  ? netdev_notice (net/core/dev.c:13194)
[  559.780314][ T9090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  559.780317][ T9090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  559.780320][ T9090]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  559.780324][ T9090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  559.780326][ T9090]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  559.780328][ T9090]  ? register_netdev (net/core/dev.c:11618)
[  559.780329][ T9090]  ? 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))
[  559.780336][ T9090]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  559.780338][ T9090]  ? __kernel_text_address (kernel/extable.c:79)
[  559.780341][ T9090]  ? write_profile (profile.c:?)
[  559.780345][ T9090]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  559.780352][ T9090]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  559.780355][ T9090]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  559.780358][ T9090]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  559.780359][ T9090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  559.780361][ T9090]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  559.780364][ T9090]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  559.780366][ T9090]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  559.780368][ T9090]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  559.780371][ T9090]  ? kasan_save_stack (mm/kasan/common.c:58)
[  559.780373][ T9090]  ? kasan_save_stack (mm/kasan/common.c:57)
[  559.780374][ T9090]  ? kasan_save_track (mm/kasan/common.c:78)
[  559.780375][ T9090]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  559.780378][ T9090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  559.780380][ T9090]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  559.780383][ T9090]  ? ___sys_sendmsg (net/socket.c:2758)
[  559.780390][ T9090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  559.780392][ T9090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  559.780395][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780397][ T9090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  559.780398][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780400][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780401][ T9090]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  559.780404][ T9090]  ? __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)
[  559.780405][ T9090]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  559.780407][ T9090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  559.780411][ T9090]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  559.780412][ T9090]  ? nla_get_range_signed (lib/nlattr.c:270)
[  559.780418][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780420][ T9090]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  559.780427][ T9090]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  559.780433][ T9090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  559.780435][ T9090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  559.780440][ T9090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  559.780442][ T9090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  559.780444][ T9090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  559.780446][ T9090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  559.780451][ T9090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  559.780453][ T9090]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  559.780456][ T9090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  559.780458][ T9090]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  559.780463][ T9090]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  559.780465][ T9090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  559.780469][ T9090]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  559.780472][ T9090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  559.780475][ T9090]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  559.780483][ T9090]  ? 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))
[  559.780485][ T9090]  ? 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))
[  559.780490][ T9090]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  559.780495][ T9090]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  559.780498][ T9090]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  559.780503][ T9090]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  559.780507][ T9090]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  559.780512][ T9090]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  559.780513][ T9090]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  559.780519][ T9090]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  559.780522][ T9090]  ____sys_sendmsg (net/socket.c:2713)
[  559.780525][ T9090]  ? copy_msghdr_from_user (net/socket.c:2650)
[  559.780527][ T9090]  ? sock_write_iter (net/socket.c:1269)
[  559.780529][ T9090]  ? move_addr_to_kernel (net/socket.c:258)
[  559.780538][ T9090]  ___sys_sendmsg (net/socket.c:2767)
[  559.780541][ T9090]  ? copy_msghdr_from_user (net/socket.c:2619)
[  559.780561][ T9090]  __sys_sendmsg (net/socket.c:2799)
[  559.780564][ T9090]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  559.780571][ T9090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  559.780575][ T9090]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  559.780578][ T9090]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  559.780581][ T9090]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  559.780583][ T9090] RIP: 0033:0x7f09bb7fa54e
[  559.780587][ T9090] 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
[  559.780589][ T9090] RSP: 002b:00007ffd42932920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  559.780591][ T9090] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f09bb7fa54e
[  559.780593][ T9090] RDX: 0000000000000000 RSI: 00007ffd429329d0 RDI: 0000000000000005
[  559.780594][ T9090] RBP: 00007ffd42932930 R08: 0000000000000000 R09: 0000000000000000
[  559.780594][ T9090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b34
[  559.780595][ T9090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd429330a0
| [  568.695223][ T9233] softirqs last disabled at (19404): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  568.695225][ T9233] Preemption disabled at:
| [  568.695226][ T9233] vprintk_emit (kernel/printk/printk.c:2471)
| [  568.695234][ T9233] Tainted: [W]=WARN
[  568.695235][ T9233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  568.695236][ T9233] Call Trace:
[  568.695238][ T9233]  <TASK>
[  568.695239][ T9233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  568.695245][ T9233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  568.695247][ T9233]  __might_resched.cold (kernel/sched/core.c:9234)
[  568.695251][ T9233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  568.695256][ T9233]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  568.695261][ T9233]  __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))
[  568.695263][ T9233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  568.695270][ T9233]  ? 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)
[  568.695273][ T9233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  568.695277][ T9233]  put_chars (drivers/char/virtio_console.c:1176)
[  568.695279][ T9233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  568.695287][ T9233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  568.695296][ T9233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  568.695299][ T9233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.695304][ T9233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  568.695308][ T9233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  568.695310][ T9233]  ? 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))
[  568.695314][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695317][ T9233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.695321][ T9233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  568.695326][ T9233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  568.695328][ T9233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.695334][ T9233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  568.695337][ T9233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  568.695339][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695341][ T9233]  ? 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)
[  568.695345][ T9233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  568.695347][ T9233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  568.695350][ T9233]  vprintk_emit (kernel/printk/printk.c:2479)
[  568.695353][ T9233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  568.695356][ T9233]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  568.695362][ T9233]  _printk (kernel/printk/printk.c:2504)
[  568.695366][ T9233]  ? snapshot_read.cold (user.c:?)
[  568.695368][ T9233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  568.695371][ T9233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  568.695373][ T9233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  568.695375][ T9233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  568.695379][ T9233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  568.695382][ T9233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.695387][ T9233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  568.695390][ T9233]  ? netdev_notice (net/core/dev.c:13194)
[  568.695393][ T9233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.695396][ T9233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  568.695399][ T9233]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  568.695403][ T9233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.695405][ T9233]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  568.695408][ T9233]  ? register_netdev (net/core/dev.c:11618)
[  568.695409][ T9233]  ? 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))
[  568.695415][ T9233]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  568.695418][ T9233]  ? __kernel_text_address (kernel/extable.c:79)
[  568.695420][ T9233]  ? write_profile (profile.c:?)
[  568.695425][ T9233]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  568.695431][ T9233]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.695435][ T9233]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  568.695437][ T9233]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  568.695439][ T9233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  568.695441][ T9233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  568.695444][ T9233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  568.695446][ T9233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  568.695448][ T9233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  568.695451][ T9233]  ? kasan_save_stack (mm/kasan/common.c:58)
[  568.695452][ T9233]  ? kasan_save_stack (mm/kasan/common.c:57)
[  568.695454][ T9233]  ? kasan_save_track (mm/kasan/common.c:78)
[  568.695455][ T9233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  568.695457][ T9233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.695459][ T9233]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  568.695462][ T9233]  ? ___sys_sendmsg (net/socket.c:2758)
[  568.695467][ T9233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  568.695469][ T9233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  568.695472][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695474][ T9233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.695475][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695477][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695478][ T9233]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  568.695481][ T9233]  ? __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)
[  568.695482][ T9233]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  568.695484][ T9233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  568.695488][ T9233]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  568.695490][ T9233]  ? nla_get_range_signed (lib/nlattr.c:270)
[  568.695495][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695497][ T9233]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  568.695504][ T9233]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  568.695510][ T9233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.695512][ T9233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.695517][ T9233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  568.695519][ T9233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.695521][ T9233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.695523][ T9233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  568.695528][ T9233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.695530][ T9233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  568.695533][ T9233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  568.695535][ T9233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  568.695540][ T9233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  568.695542][ T9233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.695546][ T9233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  568.695549][ T9233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  568.695553][ T9233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  568.695560][ T9233]  ? 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))
[  568.695562][ T9233]  ? 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))
[  568.695567][ T9233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  568.695572][ T9233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  568.695575][ T9233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  568.695580][ T9233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  568.695584][ T9233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  568.695589][ T9233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  568.695590][ T9233]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  568.695596][ T9233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  568.695599][ T9233]  ____sys_sendmsg (net/socket.c:2713)
[  568.695602][ T9233]  ? copy_msghdr_from_user (net/socket.c:2650)
[  568.695604][ T9233]  ? sock_write_iter (net/socket.c:1269)
[  568.695606][ T9233]  ? move_addr_to_kernel (net/socket.c:258)
[  568.695615][ T9233]  ___sys_sendmsg (net/socket.c:2767)
[  568.695618][ T9233]  ? copy_msghdr_from_user (net/socket.c:2619)
[  568.695638][ T9233]  __sys_sendmsg (net/socket.c:2799)
[  568.695641][ T9233]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  568.695648][ T9233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.695652][ T9233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  568.695655][ T9233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  568.695658][ T9233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  568.695660][ T9233] RIP: 0033:0x7ff636bac54e
[  568.695664][ T9233] 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
[  568.695666][ T9233] RSP: 002b:00007fff192cf430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  568.695668][ T9233] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff636bac54e
[  568.695669][ T9233] RDX: 0000000000000000 RSI: 00007fff192cf4e0 RDI: 0000000000000005
[  568.695670][ T9233] RBP: 00007fff192cf440 R08: 0000000000000000 R09: 0000000000000000
[  568.695671][ T9233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b3c
[  568.695672][ T9233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff192cfbb0
| [  577.618062][ T9376] softirqs last disabled at (17810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  577.618064][ T9376] Preemption disabled at:
| [  577.618065][ T9376] vprintk_emit (kernel/printk/printk.c:2471)
| [  577.618073][ T9376] Tainted: [W]=WARN
[  577.618074][ T9376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  577.618075][ T9376] Call Trace:
[  577.618077][ T9376]  <TASK>
[  577.618078][ T9376]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  577.618084][ T9376]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  577.618086][ T9376]  __might_resched.cold (kernel/sched/core.c:9234)
[  577.618091][ T9376]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  577.618095][ T9376]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  577.618100][ T9376]  __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))
[  577.618102][ T9376]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.618109][ T9376]  ? 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)
[  577.618112][ T9376]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.618116][ T9376]  put_chars (drivers/char/virtio_console.c:1176)
[  577.618118][ T9376]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  577.618126][ T9376]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  577.618135][ T9376]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  577.618138][ T9376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.618143][ T9376]  console_emit_next_record (kernel/printk/printk.c:3183)
[  577.618148][ T9376]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  577.618150][ T9376]  ? 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))
[  577.618153][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618156][ T9376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.618165][ T9376]  console_flush_one_record (kernel/printk/printk.c:3268)
[  577.618170][ T9376]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  577.618171][ T9376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.618178][ T9376]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  577.618181][ T9376]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  577.618183][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618185][ T9376]  ? 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)
[  577.618189][ T9376]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  577.618191][ T9376]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  577.618194][ T9376]  vprintk_emit (kernel/printk/printk.c:2479)
[  577.618197][ T9376]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  577.618200][ T9376]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  577.618206][ T9376]  _printk (kernel/printk/printk.c:2504)
[  577.618210][ T9376]  ? snapshot_read.cold (user.c:?)
[  577.618212][ T9376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  577.618215][ T9376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  577.618218][ T9376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  577.618220][ T9376]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  577.618224][ T9376]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  577.618227][ T9376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.618230][ T9376]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  577.618233][ T9376]  ? netdev_notice (net/core/dev.c:13194)
[  577.618236][ T9376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.618239][ T9376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  577.618242][ T9376]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  577.618246][ T9376]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.618248][ T9376]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  577.618251][ T9376]  ? register_netdev (net/core/dev.c:11618)
[  577.618252][ T9376]  ? 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))
[  577.618258][ T9376]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  577.618261][ T9376]  ? __kernel_text_address (kernel/extable.c:79)
[  577.618263][ T9376]  ? write_profile (profile.c:?)
[  577.618268][ T9376]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  577.618274][ T9376]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.618278][ T9376]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  577.618280][ T9376]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  577.618282][ T9376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  577.618284][ T9376]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  577.618287][ T9376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  577.618290][ T9376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  577.618291][ T9376]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  577.618294][ T9376]  ? kasan_save_stack (mm/kasan/common.c:58)
[  577.618296][ T9376]  ? kasan_save_stack (mm/kasan/common.c:57)
[  577.618297][ T9376]  ? kasan_save_track (mm/kasan/common.c:78)
[  577.618298][ T9376]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  577.618301][ T9376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.618303][ T9376]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  577.618306][ T9376]  ? ___sys_sendmsg (net/socket.c:2758)
[  577.618311][ T9376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  577.618313][ T9376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  577.618316][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618318][ T9376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.618319][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618320][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618322][ T9376]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  577.618325][ T9376]  ? __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)
[  577.618326][ T9376]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  577.618328][ T9376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  577.618332][ T9376]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  577.618333][ T9376]  ? nla_get_range_signed (lib/nlattr.c:270)
[  577.618339][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618341][ T9376]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  577.618348][ T9376]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.618354][ T9376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.618356][ T9376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.618362][ T9376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  577.618364][ T9376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.618366][ T9376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.618368][ T9376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  577.618372][ T9376]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.618374][ T9376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  577.618378][ T9376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.618379][ T9376]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  577.618387][ T9376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  577.618389][ T9376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.618393][ T9376]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  577.618396][ T9376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.618400][ T9376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  577.618408][ T9376]  ? 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))
[  577.618410][ T9376]  ? 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))
[  577.618415][ T9376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  577.618420][ T9376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  577.618423][ T9376]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  577.618428][ T9376]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  577.618433][ T9376]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  577.618437][ T9376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  577.618439][ T9376]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  577.618445][ T9376]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  577.618448][ T9376]  ____sys_sendmsg (net/socket.c:2713)
[  577.618450][ T9376]  ? copy_msghdr_from_user (net/socket.c:2650)
[  577.618452][ T9376]  ? sock_write_iter (net/socket.c:1269)
[  577.618454][ T9376]  ? move_addr_to_kernel (net/socket.c:258)
[  577.618463][ T9376]  ___sys_sendmsg (net/socket.c:2767)
[  577.618466][ T9376]  ? copy_msghdr_from_user (net/socket.c:2619)
[  577.618486][ T9376]  __sys_sendmsg (net/socket.c:2799)
[  577.618489][ T9376]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  577.618497][ T9376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.618501][ T9376]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  577.618503][ T9376]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  577.618507][ T9376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.618509][ T9376] RIP: 0033:0x7f6c9e28d54e
[  577.618513][ T9376] 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
[  577.618514][ T9376] RSP: 002b:00007ffc33023be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  577.618517][ T9376] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6c9e28d54e
[  577.618518][ T9376] RDX: 0000000000000000 RSI: 00007ffc33023c90 RDI: 0000000000000005
[  577.618519][ T9376] RBP: 00007ffc33023bf0 R08: 0000000000000000 R09: 0000000000000000
[  577.618520][ T9376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b45
[  577.618521][ T9376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc33024360
| [  586.583118][ T9519] softirqs last disabled at (17502): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  586.583120][ T9519] Preemption disabled at:
| [  586.583121][ T9519] vprintk_emit (kernel/printk/printk.c:2471)
| [  586.583129][ T9519] Tainted: [W]=WARN
[  586.583130][ T9519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  586.583131][ T9519] Call Trace:
[  586.583133][ T9519]  <TASK>
[  586.583135][ T9519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  586.583141][ T9519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  586.583142][ T9519]  __might_resched.cold (kernel/sched/core.c:9234)
[  586.583147][ T9519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  586.583151][ T9519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  586.583156][ T9519]  __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))
[  586.583158][ T9519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.583165][ T9519]  ? 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)
[  586.583168][ T9519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.583172][ T9519]  put_chars (drivers/char/virtio_console.c:1176)
[  586.583174][ T9519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  586.583182][ T9519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  586.583191][ T9519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  586.583199][ T9519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.583205][ T9519]  console_emit_next_record (kernel/printk/printk.c:3183)
[  586.583209][ T9519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  586.583211][ T9519]  ? 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))
[  586.583214][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583217][ T9519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.583222][ T9519]  console_flush_one_record (kernel/printk/printk.c:3268)
[  586.583227][ T9519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  586.583229][ T9519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.583235][ T9519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  586.583238][ T9519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  586.583240][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583242][ T9519]  ? 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)
[  586.583246][ T9519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  586.583248][ T9519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  586.583251][ T9519]  vprintk_emit (kernel/printk/printk.c:2479)
[  586.583255][ T9519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  586.583258][ T9519]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  586.583263][ T9519]  _printk (kernel/printk/printk.c:2504)
[  586.583267][ T9519]  ? snapshot_read.cold (user.c:?)
[  586.583269][ T9519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  586.583272][ T9519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  586.583274][ T9519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  586.583277][ T9519]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  586.583281][ T9519]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  586.583284][ T9519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.583286][ T9519]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  586.583289][ T9519]  ? netdev_notice (net/core/dev.c:13194)
[  586.583292][ T9519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.583296][ T9519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.583299][ T9519]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  586.583303][ T9519]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.583305][ T9519]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  586.583307][ T9519]  ? register_netdev (net/core/dev.c:11618)
[  586.583309][ T9519]  ? 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))
[  586.583314][ T9519]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  586.583317][ T9519]  ? __kernel_text_address (kernel/extable.c:79)
[  586.583319][ T9519]  ? write_profile (profile.c:?)
[  586.583324][ T9519]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  586.583330][ T9519]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  586.583334][ T9519]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  586.583336][ T9519]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  586.583338][ T9519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  586.583340][ T9519]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  586.583343][ T9519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  586.583345][ T9519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  586.583347][ T9519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  586.583349][ T9519]  ? kasan_save_stack (mm/kasan/common.c:58)
[  586.583351][ T9519]  ? kasan_save_stack (mm/kasan/common.c:57)
[  586.583353][ T9519]  ? kasan_save_track (mm/kasan/common.c:78)
[  586.583354][ T9519]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  586.583356][ T9519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.583358][ T9519]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  586.583361][ T9519]  ? ___sys_sendmsg (net/socket.c:2758)
[  586.583366][ T9519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.583368][ T9519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.583371][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583373][ T9519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.583374][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583375][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583377][ T9519]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  586.583380][ T9519]  ? __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)
[  586.583381][ T9519]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  586.583383][ T9519]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  586.583390][ T9519]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  586.583391][ T9519]  ? nla_get_range_signed (lib/nlattr.c:270)
[  586.583396][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583399][ T9519]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  586.583405][ T9519]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  586.583412][ T9519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.583414][ T9519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.583419][ T9519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.583421][ T9519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.583423][ T9519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.583425][ T9519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.583429][ T9519]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.583431][ T9519]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  586.583435][ T9519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.583436][ T9519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  586.583442][ T9519]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  586.583444][ T9519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.583448][ T9519]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  586.583451][ T9519]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.583454][ T9519]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  586.583462][ T9519]  ? 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))
[  586.583464][ T9519]  ? 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))
[  586.583470][ T9519]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  586.583474][ T9519]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  586.583477][ T9519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  586.583482][ T9519]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  586.583487][ T9519]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  586.583491][ T9519]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  586.583493][ T9519]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  586.583498][ T9519]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  586.583502][ T9519]  ____sys_sendmsg (net/socket.c:2713)
[  586.583504][ T9519]  ? copy_msghdr_from_user (net/socket.c:2650)
[  586.583506][ T9519]  ? sock_write_iter (net/socket.c:1269)
[  586.583508][ T9519]  ? move_addr_to_kernel (net/socket.c:258)
[  586.583517][ T9519]  ___sys_sendmsg (net/socket.c:2767)
[  586.583520][ T9519]  ? copy_msghdr_from_user (net/socket.c:2619)
[  586.583540][ T9519]  __sys_sendmsg (net/socket.c:2799)
[  586.583543][ T9519]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  586.583550][ T9519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.583554][ T9519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  586.583557][ T9519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  586.583560][ T9519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.583562][ T9519] RIP: 0033:0x7f3a6a6c754e
[  586.583566][ T9519] 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
[  586.583568][ T9519] RSP: 002b:00007ffe05d2a170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  586.583570][ T9519] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3a6a6c754e
[  586.583571][ T9519] RDX: 0000000000000000 RSI: 00007ffe05d2a220 RDI: 0000000000000005
[  586.583572][ T9519] RBP: 00007ffe05d2a180 R08: 0000000000000000 R09: 0000000000000000
[  586.583573][ T9519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b4e
[  586.583574][ T9519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe05d2a8f0
| [  595.520257][ T9662] softirqs last disabled at (28830): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  595.520259][ T9662] Preemption disabled at:
| [  595.520260][ T9662] vprintk_emit (kernel/printk/printk.c:2471)
| [  595.520268][ T9662] Tainted: [W]=WARN
[  595.520269][ T9662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  595.520270][ T9662] Call Trace:
[  595.520272][ T9662]  <TASK>
[  595.520273][ T9662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  595.520279][ T9662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  595.520281][ T9662]  __might_resched.cold (kernel/sched/core.c:9234)
[  595.520285][ T9662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  595.520290][ T9662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  595.520295][ T9662]  __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))
[  595.520297][ T9662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.520304][ T9662]  ? 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)
[  595.520306][ T9662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.520310][ T9662]  put_chars (drivers/char/virtio_console.c:1176)
[  595.520313][ T9662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  595.520321][ T9662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  595.520329][ T9662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  595.520333][ T9662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.520338][ T9662]  console_emit_next_record (kernel/printk/printk.c:3183)
[  595.520343][ T9662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  595.520344][ T9662]  ? 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))
[  595.520348][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520351][ T9662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.520356][ T9662]  console_flush_one_record (kernel/printk/printk.c:3268)
[  595.520360][ T9662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  595.520362][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.520368][ T9662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  595.520372][ T9662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  595.520373][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520375][ T9662]  ? 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)
[  595.520379][ T9662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  595.520381][ T9662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  595.520387][ T9662]  vprintk_emit (kernel/printk/printk.c:2479)
[  595.520391][ T9662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  595.520394][ T9662]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  595.520399][ T9662]  _printk (kernel/printk/printk.c:2504)
[  595.520403][ T9662]  ? snapshot_read.cold (user.c:?)
[  595.520405][ T9662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  595.520408][ T9662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  595.520410][ T9662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  595.520413][ T9662]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  595.520416][ T9662]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  595.520420][ T9662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  595.520422][ T9662]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  595.520425][ T9662]  ? netdev_notice (net/core/dev.c:13194)
[  595.520428][ T9662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.520431][ T9662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  595.520434][ T9662]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  595.520438][ T9662]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  595.520440][ T9662]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  595.520442][ T9662]  ? register_netdev (net/core/dev.c:11618)
[  595.520444][ T9662]  ? 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))
[  595.520450][ T9662]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  595.520452][ T9662]  ? __kernel_text_address (kernel/extable.c:79)
[  595.520455][ T9662]  ? write_profile (profile.c:?)
[  595.520459][ T9662]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  595.520466][ T9662]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  595.520470][ T9662]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  595.520472][ T9662]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  595.520473][ T9662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  595.520475][ T9662]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  595.520479][ T9662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  595.520481][ T9662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  595.520482][ T9662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  595.520485][ T9662]  ? kasan_save_stack (mm/kasan/common.c:58)
[  595.520487][ T9662]  ? kasan_save_stack (mm/kasan/common.c:57)
[  595.520488][ T9662]  ? kasan_save_track (mm/kasan/common.c:78)
[  595.520490][ T9662]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  595.520492][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.520494][ T9662]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  595.520497][ T9662]  ? ___sys_sendmsg (net/socket.c:2758)
[  595.520502][ T9662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  595.520504][ T9662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  595.520507][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520509][ T9662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.520510][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520511][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520513][ T9662]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  595.520516][ T9662]  ? __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)
[  595.520517][ T9662]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  595.520519][ T9662]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  595.520523][ T9662]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  595.520524][ T9662]  ? nla_get_range_signed (lib/nlattr.c:270)
[  595.520530][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520532][ T9662]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  595.520538][ T9662]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  595.520545][ T9662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.520547][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.520553][ T9662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  595.520554][ T9662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.520557][ T9662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.520559][ T9662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  595.520563][ T9662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.520565][ T9662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  595.520569][ T9662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.520570][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  595.520575][ T9662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  595.520577][ T9662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.520581][ T9662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  595.520585][ T9662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.520588][ T9662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  595.520596][ T9662]  ? 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))
[  595.520598][ T9662]  ? 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))
[  595.520603][ T9662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  595.520608][ T9662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  595.520610][ T9662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  595.520615][ T9662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  595.520620][ T9662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  595.520624][ T9662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  595.520626][ T9662]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  595.520632][ T9662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  595.520635][ T9662]  ____sys_sendmsg (net/socket.c:2713)
[  595.520637][ T9662]  ? copy_msghdr_from_user (net/socket.c:2650)
[  595.520640][ T9662]  ? sock_write_iter (net/socket.c:1269)
[  595.520641][ T9662]  ? move_addr_to_kernel (net/socket.c:258)
[  595.520650][ T9662]  ___sys_sendmsg (net/socket.c:2767)
[  595.520654][ T9662]  ? copy_msghdr_from_user (net/socket.c:2619)
[  595.520674][ T9662]  __sys_sendmsg (net/socket.c:2799)
[  595.520677][ T9662]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  595.520684][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.520688][ T9662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  595.520690][ T9662]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  595.520694][ T9662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  595.520696][ T9662] RIP: 0033:0x7f346584154e
[  595.520699][ T9662] 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
[  595.520701][ T9662] RSP: 002b:00007ffdc82e64c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  595.520704][ T9662] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f346584154e
[  595.520705][ T9662] RDX: 0000000000000000 RSI: 00007ffdc82e6570 RDI: 0000000000000005
[  595.520706][ T9662] RBP: 00007ffdc82e64d0 R08: 0000000000000000 R09: 0000000000000000
[  595.520707][ T9662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b57
[  595.520707][ T9662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc82e6c40
| [  604.442702][ T9805] softirqs last disabled at (33346): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  604.442705][ T9805] Preemption disabled at:
| [  604.442705][ T9805] vprintk_emit (kernel/printk/printk.c:2471)
| [  604.442713][ T9805] Tainted: [W]=WARN
[  604.442714][ T9805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  604.442716][ T9805] Call Trace:
[  604.442718][ T9805]  <TASK>
[  604.442719][ T9805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  604.442725][ T9805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  604.442727][ T9805]  __might_resched.cold (kernel/sched/core.c:9234)
[  604.442731][ T9805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  604.442736][ T9805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  604.442741][ T9805]  __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))
[  604.442743][ T9805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  604.442750][ T9805]  ? 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)
[  604.442753][ T9805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  604.442757][ T9805]  put_chars (drivers/char/virtio_console.c:1176)
[  604.442759][ T9805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  604.442767][ T9805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  604.442776][ T9805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  604.442779][ T9805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.442784][ T9805]  console_emit_next_record (kernel/printk/printk.c:3183)
[  604.442789][ T9805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  604.442790][ T9805]  ? 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))
[  604.442794][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.442797][ T9805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.442802][ T9805]  console_flush_one_record (kernel/printk/printk.c:3268)
[  604.442806][ T9805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  604.442808][ T9805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  604.442814][ T9805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  604.442817][ T9805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  604.442819][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.442821][ T9805]  ? 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)
[  604.442826][ T9805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  604.442827][ T9805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  604.442830][ T9805]  vprintk_emit (kernel/printk/printk.c:2479)
[  604.442834][ T9805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  604.442837][ T9805]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  604.442843][ T9805]  _printk (kernel/printk/printk.c:2504)
[  604.442847][ T9805]  ? snapshot_read.cold (user.c:?)
[  604.442848][ T9805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  604.442851][ T9805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  604.442854][ T9805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  604.442856][ T9805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  604.442860][ T9805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  604.442863][ T9805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  604.442866][ T9805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  604.442868][ T9805]  ? netdev_notice (net/core/dev.c:13194)
[  604.442871][ T9805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  604.442875][ T9805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  604.442878][ T9805]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  604.442882][ T9805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  604.442884][ T9805]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  604.442886][ T9805]  ? register_netdev (net/core/dev.c:11618)
[  604.442887][ T9805]  ? 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))
[  604.442893][ T9805]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  604.442896][ T9805]  ? __kernel_text_address (kernel/extable.c:79)
[  604.442898][ T9805]  ? write_profile (profile.c:?)
[  604.442903][ T9805]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  604.442909][ T9805]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  604.442913][ T9805]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  604.442915][ T9805]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  604.442917][ T9805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  604.442919][ T9805]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  604.442922][ T9805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  604.442924][ T9805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  604.442926][ T9805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  604.442929][ T9805]  ? kasan_save_stack (mm/kasan/common.c:58)
[  604.442931][ T9805]  ? kasan_save_stack (mm/kasan/common.c:57)
[  604.442932][ T9805]  ? kasan_save_track (mm/kasan/common.c:78)
[  604.442933][ T9805]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  604.442936][ T9805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  604.442938][ T9805]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  604.442941][ T9805]  ? ___sys_sendmsg (net/socket.c:2758)
[  604.442945][ T9805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  604.442947][ T9805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  604.442950][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.442952][ T9805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.442954][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.442955][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.442957][ T9805]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  604.442959][ T9805]  ? __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)
[  604.442960][ T9805]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  604.442962][ T9805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  604.442966][ T9805]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  604.442967][ T9805]  ? nla_get_range_signed (lib/nlattr.c:270)
[  604.442973][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.442975][ T9805]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  604.442982][ T9805]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  604.442988][ T9805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  604.442990][ T9805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  604.442995][ T9805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  604.442997][ T9805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  604.442999][ T9805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  604.443001][ T9805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  604.443006][ T9805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  604.443008][ T9805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  604.443011][ T9805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  604.443013][ T9805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  604.443018][ T9805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  604.443020][ T9805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  604.443024][ T9805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  604.443027][ T9805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  604.443031][ T9805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  604.443038][ T9805]  ? 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))
[  604.443040][ T9805]  ? 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))
[  604.443046][ T9805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  604.443050][ T9805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  604.443053][ T9805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  604.443058][ T9805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  604.443063][ T9805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  604.443067][ T9805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  604.443069][ T9805]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  604.443074][ T9805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  604.443078][ T9805]  ____sys_sendmsg (net/socket.c:2713)
[  604.443080][ T9805]  ? copy_msghdr_from_user (net/socket.c:2650)
[  604.443082][ T9805]  ? sock_write_iter (net/socket.c:1269)
[  604.443084][ T9805]  ? move_addr_to_kernel (net/socket.c:258)
[  604.443093][ T9805]  ___sys_sendmsg (net/socket.c:2767)
[  604.443096][ T9805]  ? copy_msghdr_from_user (net/socket.c:2619)
[  604.443116][ T9805]  __sys_sendmsg (net/socket.c:2799)
[  604.443119][ T9805]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  604.443127][ T9805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.443130][ T9805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  604.443133][ T9805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  604.443137][ T9805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  604.443139][ T9805] RIP: 0033:0x7fc9be76e54e
[  604.443143][ T9805] 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
[  604.443145][ T9805] RSP: 002b:00007ffdeadbf1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  604.443147][ T9805] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc9be76e54e
[  604.443149][ T9805] RDX: 0000000000000000 RSI: 00007ffdeadbf260 RDI: 0000000000000005
[  604.443149][ T9805] RBP: 00007ffdeadbf1c0 R08: 0000000000000000 R09: 0000000000000000
[  604.443150][ T9805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b60
[  604.443151][ T9805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdeadbf930
| [  613.333145][ T9948] softirqs last disabled at (16438): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  613.333148][ T9948] Preemption disabled at:
| [  613.333148][ T9948] vprintk_emit (kernel/printk/printk.c:2471)
| [  613.333157][ T9948] Tainted: [W]=WARN
[  613.333157][ T9948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  613.333159][ T9948] Call Trace:
[  613.333161][ T9948]  <TASK>
[  613.333162][ T9948]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  613.333168][ T9948]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  613.333170][ T9948]  __might_resched.cold (kernel/sched/core.c:9234)
[  613.333174][ T9948]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  613.333178][ T9948]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  613.333183][ T9948]  __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))
[  613.333185][ T9948]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.333192][ T9948]  ? 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)
[  613.333195][ T9948]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.333199][ T9948]  put_chars (drivers/char/virtio_console.c:1176)
[  613.333202][ T9948]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  613.333209][ T9948]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  613.333218][ T9948]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  613.333221][ T9948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.333226][ T9948]  console_emit_next_record (kernel/printk/printk.c:3183)
[  613.333231][ T9948]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  613.333233][ T9948]  ? 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))
[  613.333236][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333239][ T9948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.333244][ T9948]  console_flush_one_record (kernel/printk/printk.c:3268)
[  613.333249][ T9948]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  613.333250][ T9948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.333257][ T9948]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  613.333260][ T9948]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  613.333262][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333264][ T9948]  ? 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)
[  613.333268][ T9948]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  613.333269][ T9948]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  613.333273][ T9948]  vprintk_emit (kernel/printk/printk.c:2479)
[  613.333276][ T9948]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  613.333279][ T9948]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  613.333285][ T9948]  _printk (kernel/printk/printk.c:2504)
[  613.333293][ T9948]  ? snapshot_read.cold (user.c:?)
[  613.333295][ T9948]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  613.333297][ T9948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  613.333300][ T9948]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  613.333303][ T9948]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  613.333306][ T9948]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  613.333309][ T9948]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.333312][ T9948]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  613.333315][ T9948]  ? netdev_notice (net/core/dev.c:13194)
[  613.333318][ T9948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.333321][ T9948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  613.333324][ T9948]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  613.333328][ T9948]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.333330][ T9948]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  613.333332][ T9948]  ? register_netdev (net/core/dev.c:11618)
[  613.333334][ T9948]  ? 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))
[  613.333340][ T9948]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  613.333342][ T9948]  ? __kernel_text_address (kernel/extable.c:79)
[  613.333345][ T9948]  ? write_profile (profile.c:?)
[  613.333349][ T9948]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  613.333356][ T9948]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.333360][ T9948]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  613.333362][ T9948]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  613.333363][ T9948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  613.333365][ T9948]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  613.333369][ T9948]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  613.333371][ T9948]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  613.333372][ T9948]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  613.333375][ T9948]  ? kasan_save_stack (mm/kasan/common.c:58)
[  613.333377][ T9948]  ? kasan_save_stack (mm/kasan/common.c:57)
[  613.333378][ T9948]  ? kasan_save_track (mm/kasan/common.c:78)
[  613.333379][ T9948]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  613.333382][ T9948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.333384][ T9948]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  613.333390][ T9948]  ? ___sys_sendmsg (net/socket.c:2758)
[  613.333394][ T9948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  613.333396][ T9948]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  613.333399][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333401][ T9948]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.333403][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333404][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333406][ T9948]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  613.333408][ T9948]  ? __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)
[  613.333409][ T9948]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  613.333411][ T9948]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  613.333415][ T9948]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  613.333416][ T9948]  ? nla_get_range_signed (lib/nlattr.c:270)
[  613.333421][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333424][ T9948]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  613.333430][ T9948]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.333437][ T9948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.333439][ T9948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.333444][ T9948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  613.333446][ T9948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.333448][ T9948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.333450][ T9948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  613.333454][ T9948]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.333456][ T9948]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.333460][ T9948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.333461][ T9948]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  613.333466][ T9948]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  613.333468][ T9948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.333472][ T9948]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.333475][ T9948]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.333478][ T9948]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  613.333486][ T9948]  ? 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))
[  613.333488][ T9948]  ? 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))
[  613.333493][ T9948]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.333498][ T9948]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  613.333501][ T9948]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  613.333506][ T9948]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.333510][ T9948]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  613.333515][ T9948]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  613.333516][ T9948]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  613.333522][ T9948]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.333525][ T9948]  ____sys_sendmsg (net/socket.c:2713)
[  613.333528][ T9948]  ? copy_msghdr_from_user (net/socket.c:2650)
[  613.333530][ T9948]  ? sock_write_iter (net/socket.c:1269)
[  613.333532][ T9948]  ? move_addr_to_kernel (net/socket.c:258)
[  613.333541][ T9948]  ___sys_sendmsg (net/socket.c:2767)
[  613.333544][ T9948]  ? copy_msghdr_from_user (net/socket.c:2619)
[  613.333564][ T9948]  __sys_sendmsg (net/socket.c:2799)
[  613.333567][ T9948]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  613.333574][ T9948]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.333578][ T9948]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.333581][ T9948]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  613.333584][ T9948]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.333586][ T9948] RIP: 0033:0x7f1bd942a54e
[  613.333589][ T9948] 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
[  613.333591][ T9948] RSP: 002b:00007ffc557b7340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  613.333594][ T9948] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1bd942a54e
[  613.333595][ T9948] RDX: 0000000000000000 RSI: 00007ffc557b73f0 RDI: 0000000000000005
[  613.333596][ T9948] RBP: 00007ffc557b7350 R08: 0000000000000000 R09: 0000000000000000
[  613.333597][ T9948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b69
[  613.333598][ T9948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc557b7ac0
| [  622.254636][T10091] softirqs last disabled at (32348): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  622.254639][T10091] Preemption disabled at:
| [  622.254639][T10091] vprintk_emit (kernel/printk/printk.c:2471)
| [  622.254647][T10091] Tainted: [W]=WARN
[  622.254648][T10091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  622.254650][T10091] Call Trace:
[  622.254652][T10091]  <TASK>
[  622.254653][T10091]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  622.254659][T10091]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  622.254660][T10091]  __might_resched.cold (kernel/sched/core.c:9234)
[  622.254665][T10091]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  622.254669][T10091]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  622.254674][T10091]  __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))
[  622.254676][T10091]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.254683][T10091]  ? 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)
[  622.254686][T10091]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.254690][T10091]  put_chars (drivers/char/virtio_console.c:1176)
[  622.254693][T10091]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  622.254701][T10091]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  622.254709][T10091]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  622.254713][T10091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.254718][T10091]  console_emit_next_record (kernel/printk/printk.c:3183)
[  622.254722][T10091]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  622.254724][T10091]  ? 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))
[  622.254727][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.254730][T10091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.254735][T10091]  console_flush_one_record (kernel/printk/printk.c:3268)
[  622.254740][T10091]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  622.254741][T10091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.254748][T10091]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  622.254751][T10091]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  622.254752][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.254754][T10091]  ? 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)
[  622.254759][T10091]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  622.254760][T10091]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  622.254763][T10091]  vprintk_emit (kernel/printk/printk.c:2479)
[  622.254767][T10091]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  622.254770][T10091]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  622.254776][T10091]  _printk (kernel/printk/printk.c:2504)
[  622.254779][T10091]  ? snapshot_read.cold (user.c:?)
[  622.254781][T10091]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  622.254784][T10091]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  622.254787][T10091]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  622.254789][T10091]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  622.254793][T10091]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  622.254796][T10091]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.254798][T10091]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  622.254801][T10091]  ? netdev_notice (net/core/dev.c:13194)
[  622.254804][T10091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.254807][T10091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.254810][T10091]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  622.254814][T10091]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.254817][T10091]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  622.254819][T10091]  ? register_netdev (net/core/dev.c:11618)
[  622.254820][T10091]  ? 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))
[  622.254826][T10091]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  622.254829][T10091]  ? __kernel_text_address (kernel/extable.c:79)
[  622.254831][T10091]  ? write_profile (profile.c:?)
[  622.254836][T10091]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  622.254842][T10091]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  622.254846][T10091]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  622.254848][T10091]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  622.254849][T10091]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  622.254851][T10091]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  622.254854][T10091]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  622.254857][T10091]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  622.254858][T10091]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  622.254861][T10091]  ? kasan_save_stack (mm/kasan/common.c:58)
[  622.254863][T10091]  ? kasan_save_stack (mm/kasan/common.c:57)
[  622.254864][T10091]  ? kasan_save_track (mm/kasan/common.c:78)
[  622.254865][T10091]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  622.254868][T10091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.254870][T10091]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  622.254873][T10091]  ? ___sys_sendmsg (net/socket.c:2758)
[  622.254877][T10091]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.254879][T10091]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  622.254882][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.254884][T10091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.254885][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.254886][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.254888][T10091]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  622.254890][T10091]  ? __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)
[  622.254891][T10091]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  622.254894][T10091]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  622.254897][T10091]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  622.254899][T10091]  ? nla_get_range_signed (lib/nlattr.c:270)
[  622.254904][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.254906][T10091]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  622.254913][T10091]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  622.254919][T10091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.254921][T10091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.254926][T10091]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.254928][T10091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.254930][T10091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.254932][T10091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.254936][T10091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  622.254939][T10091]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  622.254942][T10091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.254943][T10091]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  622.254949][T10091]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  622.254951][T10091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.254955][T10091]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  622.254958][T10091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  622.254961][T10091]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  622.254969][T10091]  ? 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))
[  622.254971][T10091]  ? 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))
[  622.254976][T10091]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  622.254981][T10091]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  622.254984][T10091]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  622.254989][T10091]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  622.254993][T10091]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  622.254997][T10091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  622.254999][T10091]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  622.255005][T10091]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  622.255008][T10091]  ____sys_sendmsg (net/socket.c:2713)
[  622.255010][T10091]  ? copy_msghdr_from_user (net/socket.c:2650)
[  622.255013][T10091]  ? sock_write_iter (net/socket.c:1269)
[  622.255014][T10091]  ? move_addr_to_kernel (net/socket.c:258)
[  622.255023][T10091]  ___sys_sendmsg (net/socket.c:2767)
[  622.255026][T10091]  ? copy_msghdr_from_user (net/socket.c:2619)
[  622.255047][T10091]  __sys_sendmsg (net/socket.c:2799)
[  622.255049][T10091]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  622.255057][T10091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.255060][T10091]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  622.255063][T10091]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  622.255066][T10091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  622.255069][T10091] RIP: 0033:0x7fa87d09454e
[  622.255072][T10091] 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
[  622.255074][T10091] RSP: 002b:00007ffd69ea7860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  622.255077][T10091] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa87d09454e
[  622.255078][T10091] RDX: 0000000000000000 RSI: 00007ffd69ea7910 RDI: 0000000000000005
[  622.255079][T10091] RBP: 00007ffd69ea7870 R08: 0000000000000000 R09: 0000000000000000
[  622.255080][T10091] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b72
[  622.255081][T10091] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd69ea7fe0
| [  631.156247][T10234] softirqs last disabled at (20132): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  631.156249][T10234] Preemption disabled at:
| [  631.156250][T10234] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.156258][T10234] Tainted: [W]=WARN
[  631.156259][T10234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.156261][T10234] Call Trace:
[  631.156262][T10234]  <TASK>
[  631.156264][T10234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.156270][T10234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.156272][T10234]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.156276][T10234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.156280][T10234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  631.156285][T10234]  __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))
[  631.156287][T10234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.156294][T10234]  ? 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)
[  631.156297][T10234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.156302][T10234]  put_chars (drivers/char/virtio_console.c:1176)
[  631.156304][T10234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.156312][T10234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.156321][T10234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.156324][T10234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.156329][T10234]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.156334][T10234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.156336][T10234]  ? 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))
[  631.156339][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156342][T10234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.156347][T10234]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.156356][T10234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.156358][T10234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.156364][T10234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.156367][T10234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.156369][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156371][T10234]  ? 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)
[  631.156375][T10234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.156377][T10234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.156380][T10234]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.156383][T10234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.156389][T10234]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  631.156395][T10234]  _printk (kernel/printk/printk.c:2504)
[  631.156399][T10234]  ? snapshot_read.cold (user.c:?)
[  631.156401][T10234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.156404][T10234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.156407][T10234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.156409][T10234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  631.156413][T10234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  631.156416][T10234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.156418][T10234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  631.156421][T10234]  ? netdev_notice (net/core/dev.c:13194)
[  631.156424][T10234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.156428][T10234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.156430][T10234]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  631.156434][T10234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.156437][T10234]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  631.156439][T10234]  ? register_netdev (net/core/dev.c:11618)
[  631.156440][T10234]  ? 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))
[  631.156446][T10234]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  631.156449][T10234]  ? __kernel_text_address (kernel/extable.c:79)
[  631.156451][T10234]  ? write_profile (profile.c:?)
[  631.156455][T10234]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  631.156462][T10234]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  631.156466][T10234]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  631.156468][T10234]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  631.156469][T10234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  631.156471][T10234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  631.156475][T10234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  631.156477][T10234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  631.156478][T10234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  631.156481][T10234]  ? kasan_save_stack (mm/kasan/common.c:58)
[  631.156483][T10234]  ? kasan_save_stack (mm/kasan/common.c:57)
[  631.156484][T10234]  ? kasan_save_track (mm/kasan/common.c:78)
[  631.156485][T10234]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  631.156488][T10234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.156490][T10234]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  631.156493][T10234]  ? ___sys_sendmsg (net/socket.c:2758)
[  631.156498][T10234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.156500][T10234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.156503][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156504][T10234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.156506][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156507][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156509][T10234]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  631.156511][T10234]  ? __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)
[  631.156512][T10234]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  631.156514][T10234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  631.156518][T10234]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  631.156520][T10234]  ? nla_get_range_signed (lib/nlattr.c:270)
[  631.156525][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156527][T10234]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  631.156534][T10234]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.156540][T10234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.156542][T10234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.156548][T10234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.156550][T10234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.156552][T10234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.156554][T10234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.156558][T10234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.156560][T10234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.156564][T10234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.156565][T10234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  631.156570][T10234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  631.156572][T10234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.156576][T10234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.156580][T10234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.156583][T10234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.156591][T10234]  ? 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))
[  631.156593][T10234]  ? 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))
[  631.156598][T10234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.156603][T10234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.156605][T10234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  631.156610][T10234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.156615][T10234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.156619][T10234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  631.156621][T10234]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.156627][T10234]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.156630][T10234]  ____sys_sendmsg (net/socket.c:2713)
[  631.156633][T10234]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.156635][T10234]  ? sock_write_iter (net/socket.c:1269)
[  631.156637][T10234]  ? move_addr_to_kernel (net/socket.c:258)
[  631.156646][T10234]  ___sys_sendmsg (net/socket.c:2767)
[  631.156649][T10234]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.156669][T10234]  __sys_sendmsg (net/socket.c:2799)
[  631.156672][T10234]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.156679][T10234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.156683][T10234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.156686][T10234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.156689][T10234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.156691][T10234] RIP: 0033:0x7f790de7354e
[  631.156695][T10234] 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
[  631.156696][T10234] RSP: 002b:00007ffea49b2b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.156699][T10234] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f790de7354e
[  631.156700][T10234] RDX: 0000000000000000 RSI: 00007ffea49b2bb0 RDI: 0000000000000005
[  631.156701][T10234] RBP: 00007ffea49b2b10 R08: 0000000000000000 R09: 0000000000000000
[  631.156702][T10234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b7b
[  631.156703][T10234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea49b3280
| [  640.056057][T10378] softirqs last disabled at (21564): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  640.056060][T10378] Preemption disabled at:
| [  640.056061][T10378] vprintk_emit (kernel/printk/printk.c:2471)
| [  640.056069][T10378] Tainted: [W]=WARN
[  640.056070][T10378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  640.056072][T10378] Call Trace:
[  640.056074][T10378]  <TASK>
[  640.056075][T10378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  640.056081][T10378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  640.056083][T10378]  __might_resched.cold (kernel/sched/core.c:9234)
[  640.056087][T10378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  640.056092][T10378]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  640.056097][T10378]  __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))
[  640.056099][T10378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.056106][T10378]  ? 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)
[  640.056109][T10378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.056113][T10378]  put_chars (drivers/char/virtio_console.c:1176)
[  640.056115][T10378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  640.056123][T10378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  640.056132][T10378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  640.056135][T10378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.056141][T10378]  console_emit_next_record (kernel/printk/printk.c:3183)
[  640.056145][T10378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  640.056147][T10378]  ? 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))
[  640.056151][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056153][T10378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.056158][T10378]  console_flush_one_record (kernel/printk/printk.c:3268)
[  640.056163][T10378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  640.056165][T10378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  640.056171][T10378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  640.056174][T10378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  640.056176][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056178][T10378]  ? 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)
[  640.056182][T10378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  640.056184][T10378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  640.056187][T10378]  vprintk_emit (kernel/printk/printk.c:2479)
[  640.056191][T10378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  640.056194][T10378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  640.056200][T10378]  _printk (kernel/printk/printk.c:2504)
[  640.056203][T10378]  ? snapshot_read.cold (user.c:?)
[  640.056205][T10378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  640.056208][T10378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  640.056211][T10378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  640.056213][T10378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  640.056217][T10378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  640.056220][T10378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.056222][T10378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  640.056225][T10378]  ? netdev_notice (net/core/dev.c:13194)
[  640.056228][T10378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  640.056232][T10378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  640.056235][T10378]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  640.056239][T10378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.056241][T10378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  640.056243][T10378]  ? register_netdev (net/core/dev.c:11618)
[  640.056245][T10378]  ? 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))
[  640.056251][T10378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  640.056253][T10378]  ? __kernel_text_address (kernel/extable.c:79)
[  640.056256][T10378]  ? write_profile (profile.c:?)
[  640.056260][T10378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  640.056266][T10378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.056270][T10378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  640.056273][T10378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  640.056274][T10378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  640.056276][T10378]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  640.056279][T10378]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  640.056281][T10378]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  640.056283][T10378]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  640.056286][T10378]  ? kasan_save_stack (mm/kasan/common.c:58)
[  640.056287][T10378]  ? kasan_save_stack (mm/kasan/common.c:57)
[  640.056289][T10378]  ? kasan_save_track (mm/kasan/common.c:78)
[  640.056290][T10378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  640.056292][T10378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  640.056295][T10378]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  640.056298][T10378]  ? ___sys_sendmsg (net/socket.c:2758)
[  640.056302][T10378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  640.056304][T10378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  640.056307][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056309][T10378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.056310][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056311][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056313][T10378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  640.056315][T10378]  ? __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)
[  640.056317][T10378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  640.056319][T10378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  640.056323][T10378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  640.056324][T10378]  ? nla_get_range_signed (lib/nlattr.c:270)
[  640.056329][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056332][T10378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  640.056338][T10378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  640.056345][T10378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.056347][T10378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  640.056352][T10378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  640.056354][T10378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  640.056356][T10378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.056358][T10378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  640.056363][T10378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.056365][T10378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.056368][T10378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.056370][T10378]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  640.056375][T10378]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  640.056377][T10378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  640.056388][T10378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.056391][T10378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.056394][T10378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  640.056402][T10378]  ? 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))
[  640.056404][T10378]  ? 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))
[  640.056410][T10378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.056414][T10378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  640.056417][T10378]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  640.056422][T10378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.056427][T10378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  640.056431][T10378]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  640.056433][T10378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  640.056439][T10378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.056442][T10378]  ____sys_sendmsg (net/socket.c:2713)
[  640.056445][T10378]  ? copy_msghdr_from_user (net/socket.c:2650)
[  640.056447][T10378]  ? sock_write_iter (net/socket.c:1269)
[  640.056449][T10378]  ? move_addr_to_kernel (net/socket.c:258)
[  640.056458][T10378]  ___sys_sendmsg (net/socket.c:2767)
[  640.056461][T10378]  ? copy_msghdr_from_user (net/socket.c:2619)
[  640.056481][T10378]  __sys_sendmsg (net/socket.c:2799)
[  640.056484][T10378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  640.056492][T10378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.056495][T10378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.056498][T10378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  640.056501][T10378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.056503][T10378] RIP: 0033:0x7f2bd300154e
[  640.056507][T10378] 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
[  640.056509][T10378] RSP: 002b:00007ffda1ccecd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  640.056512][T10378] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2bd300154e
[  640.056513][T10378] RDX: 0000000000000000 RSI: 00007ffda1cced80 RDI: 0000000000000005
[  640.056514][T10378] RBP: 00007ffda1ccece0 R08: 0000000000000000 R09: 0000000000000000
[  640.056515][T10378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b84
[  640.056516][T10378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda1ccf450
| [  648.997314][T10521] softirqs last disabled at (22352): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  648.997316][T10521] Preemption disabled at:
| [  648.997317][T10521] vprintk_emit (kernel/printk/printk.c:2471)
| [  648.997325][T10521] Tainted: [W]=WARN
[  648.997326][T10521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  648.997327][T10521] Call Trace:
[  648.997329][T10521]  <TASK>
[  648.997331][T10521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  648.997337][T10521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  648.997338][T10521]  __might_resched.cold (kernel/sched/core.c:9234)
[  648.997343][T10521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  648.997347][T10521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  648.997352][T10521]  __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))
[  648.997354][T10521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.997361][T10521]  ? 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)
[  648.997364][T10521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.997368][T10521]  put_chars (drivers/char/virtio_console.c:1176)
[  648.997371][T10521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  648.997378][T10521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  648.997389][T10521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  648.997393][T10521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.997398][T10521]  console_emit_next_record (kernel/printk/printk.c:3183)
[  648.997403][T10521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  648.997405][T10521]  ? 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))
[  648.997408][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997416][T10521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.997420][T10521]  console_flush_one_record (kernel/printk/printk.c:3268)
[  648.997425][T10521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  648.997427][T10521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.997434][T10521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  648.997437][T10521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  648.997439][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997441][T10521]  ? 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)
[  648.997445][T10521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  648.997447][T10521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  648.997450][T10521]  vprintk_emit (kernel/printk/printk.c:2479)
[  648.997454][T10521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  648.997457][T10521]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  648.997463][T10521]  _printk (kernel/printk/printk.c:2504)
[  648.997467][T10521]  ? snapshot_read.cold (user.c:?)
[  648.997469][T10521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  648.997472][T10521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  648.997475][T10521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  648.997477][T10521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  648.997481][T10521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  648.997484][T10521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.997487][T10521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  648.997490][T10521]  ? netdev_notice (net/core/dev.c:13194)
[  648.997493][T10521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.997496][T10521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.997499][T10521]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  648.997503][T10521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.997505][T10521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  648.997508][T10521]  ? register_netdev (net/core/dev.c:11618)
[  648.997509][T10521]  ? 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))
[  648.997515][T10521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  648.997518][T10521]  ? __kernel_text_address (kernel/extable.c:79)
[  648.997520][T10521]  ? write_profile (profile.c:?)
[  648.997525][T10521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  648.997531][T10521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.997535][T10521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  648.997538][T10521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  648.997539][T10521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  648.997541][T10521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  648.997544][T10521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  648.997547][T10521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  648.997548][T10521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  648.997551][T10521]  ? kasan_save_stack (mm/kasan/common.c:58)
[  648.997553][T10521]  ? kasan_save_stack (mm/kasan/common.c:57)
[  648.997554][T10521]  ? kasan_save_track (mm/kasan/common.c:78)
[  648.997556][T10521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  648.997558][T10521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.997560][T10521]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  648.997563][T10521]  ? ___sys_sendmsg (net/socket.c:2758)
[  648.997568][T10521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.997570][T10521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.997573][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997575][T10521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.997576][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997578][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997579][T10521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  648.997582][T10521]  ? __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)
[  648.997583][T10521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  648.997585][T10521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.997589][T10521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  648.997591][T10521]  ? nla_get_range_signed (lib/nlattr.c:270)
[  648.997596][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997599][T10521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  648.997605][T10521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  648.997612][T10521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.997614][T10521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.997619][T10521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.997621][T10521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.997623][T10521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.997625][T10521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.997630][T10521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.997632][T10521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  648.997636][T10521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.997637][T10521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  648.997642][T10521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  648.997644][T10521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.997648][T10521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  648.997652][T10521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.997655][T10521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  648.997663][T10521]  ? 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))
[  648.997665][T10521]  ? 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))
[  648.997670][T10521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  648.997675][T10521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  648.997678][T10521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  648.997683][T10521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  648.997688][T10521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  648.997692][T10521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  648.997694][T10521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  648.997700][T10521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  648.997703][T10521]  ____sys_sendmsg (net/socket.c:2713)
[  648.997705][T10521]  ? copy_msghdr_from_user (net/socket.c:2650)
[  648.997708][T10521]  ? sock_write_iter (net/socket.c:1269)
[  648.997709][T10521]  ? move_addr_to_kernel (net/socket.c:258)
[  648.997719][T10521]  ___sys_sendmsg (net/socket.c:2767)
[  648.997722][T10521]  ? copy_msghdr_from_user (net/socket.c:2619)
[  648.997742][T10521]  __sys_sendmsg (net/socket.c:2799)
[  648.997745][T10521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  648.997752][T10521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.997756][T10521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  648.997759][T10521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  648.997762][T10521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  648.997765][T10521] RIP: 0033:0x7fb05f87a54e
[  648.997769][T10521] 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
[  648.997771][T10521] RSP: 002b:00007fff9c165cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  648.997773][T10521] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb05f87a54e
[  648.997775][T10521] RDX: 0000000000000000 RSI: 00007fff9c165da0 RDI: 0000000000000005
[  648.997776][T10521] RBP: 00007fff9c165d00 R08: 0000000000000000 R09: 0000000000000000
[  648.997777][T10521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b8d
[  648.997777][T10521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9c166470
| [  657.937022][T10664] softirqs last disabled at (22844): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  657.937024][T10664] Preemption disabled at:
| [  657.937025][T10664] vprintk_emit (kernel/printk/printk.c:2471)
| [  657.937033][T10664] Tainted: [W]=WARN
[  657.937034][T10664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  657.937036][T10664] Call Trace:
[  657.937037][T10664]  <TASK>
[  657.937039][T10664]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  657.937045][T10664]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  657.937047][T10664]  __might_resched.cold (kernel/sched/core.c:9234)
[  657.937051][T10664]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  657.937056][T10664]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  657.937061][T10664]  __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))
[  657.937063][T10664]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.937070][T10664]  ? 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)
[  657.937073][T10664]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.937077][T10664]  put_chars (drivers/char/virtio_console.c:1176)
[  657.937080][T10664]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  657.937087][T10664]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  657.937096][T10664]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  657.937100][T10664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.937105][T10664]  console_emit_next_record (kernel/printk/printk.c:3183)
[  657.937109][T10664]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  657.937111][T10664]  ? 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))
[  657.937115][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937117][T10664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.937122][T10664]  console_flush_one_record (kernel/printk/printk.c:3268)
[  657.937127][T10664]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  657.937129][T10664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.937135][T10664]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  657.937138][T10664]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  657.937140][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937142][T10664]  ? 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)
[  657.937146][T10664]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  657.937148][T10664]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  657.937151][T10664]  vprintk_emit (kernel/printk/printk.c:2479)
[  657.937155][T10664]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  657.937158][T10664]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  657.937164][T10664]  _printk (kernel/printk/printk.c:2504)
[  657.937168][T10664]  ? snapshot_read.cold (user.c:?)
[  657.937169][T10664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  657.937172][T10664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  657.937175][T10664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  657.937177][T10664]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  657.937181][T10664]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  657.937184][T10664]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.937186][T10664]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  657.937189][T10664]  ? netdev_notice (net/core/dev.c:13194)
[  657.937193][T10664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.937196][T10664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.937199][T10664]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  657.937203][T10664]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.937205][T10664]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  657.937208][T10664]  ? register_netdev (net/core/dev.c:11618)
[  657.937209][T10664]  ? 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))
[  657.937215][T10664]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  657.937218][T10664]  ? __kernel_text_address (kernel/extable.c:79)
[  657.937220][T10664]  ? write_profile (profile.c:?)
[  657.937225][T10664]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  657.937231][T10664]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  657.937235][T10664]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  657.937237][T10664]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  657.937239][T10664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  657.937241][T10664]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  657.937244][T10664]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  657.937246][T10664]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  657.937248][T10664]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  657.937251][T10664]  ? kasan_save_stack (mm/kasan/common.c:58)
[  657.937253][T10664]  ? kasan_save_stack (mm/kasan/common.c:57)
[  657.937254][T10664]  ? kasan_save_track (mm/kasan/common.c:78)
[  657.937255][T10664]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  657.937258][T10664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.937260][T10664]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  657.937263][T10664]  ? ___sys_sendmsg (net/socket.c:2758)
[  657.937267][T10664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.937269][T10664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  657.937272][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937274][T10664]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.937276][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937277][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937279][T10664]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  657.937281][T10664]  ? __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)
[  657.937283][T10664]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  657.937285][T10664]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  657.937289][T10664]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  657.937290][T10664]  ? nla_get_range_signed (lib/nlattr.c:270)
[  657.937295][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937298][T10664]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  657.937304][T10664]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  657.937310][T10664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.937313][T10664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.937318][T10664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.937320][T10664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.937322][T10664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.937324][T10664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.937328][T10664]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.937330][T10664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  657.937334][T10664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.937336][T10664]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  657.937341][T10664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  657.937343][T10664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.937347][T10664]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  657.937350][T10664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.937353][T10664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  657.937361][T10664]  ? 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))
[  657.937363][T10664]  ? 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))
[  657.937368][T10664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  657.937373][T10664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  657.937376][T10664]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  657.937381][T10664]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  657.937388][T10664]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  657.937393][T10664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  657.937394][T10664]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  657.937400][T10664]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  657.937404][T10664]  ____sys_sendmsg (net/socket.c:2713)
[  657.937406][T10664]  ? copy_msghdr_from_user (net/socket.c:2650)
[  657.937408][T10664]  ? sock_write_iter (net/socket.c:1269)
[  657.937410][T10664]  ? move_addr_to_kernel (net/socket.c:258)
[  657.937419][T10664]  ___sys_sendmsg (net/socket.c:2767)
[  657.937422][T10664]  ? copy_msghdr_from_user (net/socket.c:2619)
[  657.937442][T10664]  __sys_sendmsg (net/socket.c:2799)
[  657.937449][T10664]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  657.937456][T10664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.937460][T10664]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  657.937463][T10664]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  657.937466][T10664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  657.937468][T10664] RIP: 0033:0x7f73a5cd754e
[  657.937472][T10664] 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
[  657.937474][T10664] RSP: 002b:00007fff230c9470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  657.937476][T10664] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f73a5cd754e
[  657.937478][T10664] RDX: 0000000000000000 RSI: 00007fff230c9520 RDI: 0000000000000005
[  657.937479][T10664] RBP: 00007fff230c9480 R08: 0000000000000000 R09: 0000000000000000
[  657.937480][T10664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b96
[  657.937480][T10664] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff230c9bf0
| [  666.867014][T10807] softirqs last disabled at (17384): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  666.867017][T10807] Preemption disabled at:
| [  666.867017][T10807] vprintk_emit (kernel/printk/printk.c:2471)
| [  666.867026][T10807] Tainted: [W]=WARN
[  666.867027][T10807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  666.867029][T10807] Call Trace:
[  666.867031][T10807]  <TASK>
[  666.867032][T10807]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  666.867038][T10807]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  666.867039][T10807]  __might_resched.cold (kernel/sched/core.c:9234)
[  666.867044][T10807]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  666.867048][T10807]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  666.867053][T10807]  __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))
[  666.867055][T10807]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.867062][T10807]  ? 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)
[  666.867065][T10807]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.867069][T10807]  put_chars (drivers/char/virtio_console.c:1176)
[  666.867072][T10807]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  666.867079][T10807]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  666.867088][T10807]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  666.867092][T10807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.867097][T10807]  console_emit_next_record (kernel/printk/printk.c:3183)
[  666.867101][T10807]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  666.867103][T10807]  ? 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))
[  666.867107][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867110][T10807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.867114][T10807]  console_flush_one_record (kernel/printk/printk.c:3268)
[  666.867119][T10807]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  666.867121][T10807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  666.867128][T10807]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  666.867131][T10807]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  666.867133][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867134][T10807]  ? 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)
[  666.867139][T10807]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  666.867141][T10807]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  666.867144][T10807]  vprintk_emit (kernel/printk/printk.c:2479)
[  666.867147][T10807]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  666.867150][T10807]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  666.867156][T10807]  _printk (kernel/printk/printk.c:2504)
[  666.867160][T10807]  ? snapshot_read.cold (user.c:?)
[  666.867162][T10807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  666.867165][T10807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  666.867168][T10807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  666.867170][T10807]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  666.867174][T10807]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  666.867177][T10807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  666.867179][T10807]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  666.867182][T10807]  ? netdev_notice (net/core/dev.c:13194)
[  666.867186][T10807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  666.867189][T10807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  666.867192][T10807]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  666.867196][T10807]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  666.867198][T10807]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  666.867200][T10807]  ? register_netdev (net/core/dev.c:11618)
[  666.867202][T10807]  ? 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))
[  666.867207][T10807]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  666.867210][T10807]  ? __kernel_text_address (kernel/extable.c:79)
[  666.867212][T10807]  ? write_profile (profile.c:?)
[  666.867217][T10807]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  666.867223][T10807]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  666.867227][T10807]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  666.867229][T10807]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  666.867231][T10807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  666.867233][T10807]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  666.867236][T10807]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  666.867238][T10807]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  666.867240][T10807]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  666.867243][T10807]  ? kasan_save_stack (mm/kasan/common.c:58)
[  666.867245][T10807]  ? kasan_save_stack (mm/kasan/common.c:57)
[  666.867246][T10807]  ? kasan_save_track (mm/kasan/common.c:78)
[  666.867247][T10807]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  666.867250][T10807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  666.867252][T10807]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  666.867255][T10807]  ? ___sys_sendmsg (net/socket.c:2758)
[  666.867259][T10807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  666.867261][T10807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  666.867264][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867266][T10807]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.867267][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867269][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867270][T10807]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  666.867273][T10807]  ? __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)
[  666.867274][T10807]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  666.867276][T10807]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  666.867280][T10807]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  666.867281][T10807]  ? nla_get_range_signed (lib/nlattr.c:270)
[  666.867287][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867289][T10807]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  666.867296][T10807]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  666.867302][T10807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.867304][T10807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  666.867309][T10807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  666.867311][T10807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  666.867313][T10807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.867315][T10807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  666.867320][T10807]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.867322][T10807]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  666.867326][T10807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  666.867327][T10807]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  666.867332][T10807]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  666.867334][T10807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  666.867338][T10807]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  666.867341][T10807]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  666.867345][T10807]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  666.867353][T10807]  ? 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))
[  666.867354][T10807]  ? 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))
[  666.867360][T10807]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  666.867364][T10807]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  666.867367][T10807]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  666.867372][T10807]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  666.867377][T10807]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  666.867381][T10807]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  666.867383][T10807]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  666.867392][T10807]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  666.867395][T10807]  ____sys_sendmsg (net/socket.c:2713)
[  666.867398][T10807]  ? copy_msghdr_from_user (net/socket.c:2650)
[  666.867400][T10807]  ? sock_write_iter (net/socket.c:1269)
[  666.867402][T10807]  ? move_addr_to_kernel (net/socket.c:258)
[  666.867410][T10807]  ___sys_sendmsg (net/socket.c:2767)
[  666.867413][T10807]  ? copy_msghdr_from_user (net/socket.c:2619)
[  666.867433][T10807]  __sys_sendmsg (net/socket.c:2799)
[  666.867436][T10807]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  666.867444][T10807]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.867447][T10807]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  666.867450][T10807]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  666.867453][T10807]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  666.867456][T10807] RIP: 0033:0x7f1b733bc54e
[  666.867459][T10807] 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
[  666.867461][T10807] RSP: 002b:00007fffcc92f5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  666.867464][T10807] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1b733bc54e
[  666.867465][T10807] RDX: 0000000000000000 RSI: 00007fffcc92f680 RDI: 0000000000000005
[  666.867466][T10807] RBP: 00007fffcc92f5e0 R08: 0000000000000000 R09: 0000000000000000
[  666.867467][T10807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913b9f
[  666.867468][T10807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcc92fd50
| [  675.849114][T10950] softirqs last disabled at (28144): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  675.849117][T10950] Preemption disabled at:
| [  675.849117][T10950] vprintk_emit (kernel/printk/printk.c:2471)
| [  675.849126][T10950] Tainted: [W]=WARN
[  675.849127][T10950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  675.849128][T10950] Call Trace:
[  675.849129][T10950]  <TASK>
[  675.849131][T10950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  675.849137][T10950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  675.849138][T10950]  __might_resched.cold (kernel/sched/core.c:9234)
[  675.849143][T10950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  675.849147][T10950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  675.849152][T10950]  __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))
[  675.849154][T10950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.849161][T10950]  ? 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)
[  675.849164][T10950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.849168][T10950]  put_chars (drivers/char/virtio_console.c:1176)
[  675.849171][T10950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  675.849179][T10950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  675.849188][T10950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  675.849192][T10950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.849197][T10950]  console_emit_next_record (kernel/printk/printk.c:3183)
[  675.849201][T10950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  675.849203][T10950]  ? 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))
[  675.849207][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849210][T10950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.849214][T10950]  console_flush_one_record (kernel/printk/printk.c:3268)
[  675.849219][T10950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  675.849221][T10950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.849227][T10950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  675.849230][T10950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  675.849232][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849234][T10950]  ? 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)
[  675.849238][T10950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  675.849240][T10950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  675.849243][T10950]  vprintk_emit (kernel/printk/printk.c:2479)
[  675.849247][T10950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  675.849250][T10950]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  675.849256][T10950]  _printk (kernel/printk/printk.c:2504)
[  675.849259][T10950]  ? snapshot_read.cold (user.c:?)
[  675.849261][T10950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  675.849264][T10950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  675.849267][T10950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  675.849269][T10950]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  675.849273][T10950]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  675.849276][T10950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.849278][T10950]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  675.849281][T10950]  ? netdev_notice (net/core/dev.c:13194)
[  675.849284][T10950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.849288][T10950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  675.849291][T10950]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  675.849295][T10950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.849297][T10950]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  675.849299][T10950]  ? register_netdev (net/core/dev.c:11618)
[  675.849301][T10950]  ? 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))
[  675.849307][T10950]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  675.849309][T10950]  ? __kernel_text_address (kernel/extable.c:79)
[  675.849312][T10950]  ? write_profile (profile.c:?)
[  675.849316][T10950]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  675.849323][T10950]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.849327][T10950]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  675.849329][T10950]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  675.849330][T10950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  675.849332][T10950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  675.849336][T10950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  675.849338][T10950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  675.849340][T10950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  675.849342][T10950]  ? kasan_save_stack (mm/kasan/common.c:58)
[  675.849344][T10950]  ? kasan_save_stack (mm/kasan/common.c:57)
[  675.849345][T10950]  ? kasan_save_track (mm/kasan/common.c:78)
[  675.849347][T10950]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  675.849349][T10950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.849351][T10950]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  675.849354][T10950]  ? ___sys_sendmsg (net/socket.c:2758)
[  675.849359][T10950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  675.849361][T10950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  675.849364][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849366][T10950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.849367][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849368][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849370][T10950]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  675.849373][T10950]  ? __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)
[  675.849374][T10950]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  675.849376][T10950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  675.849380][T10950]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  675.849381][T10950]  ? nla_get_range_signed (lib/nlattr.c:270)
[  675.849390][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849393][T10950]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  675.849399][T10950]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  675.849406][T10950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.849408][T10950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.849413][T10950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  675.849415][T10950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.849417][T10950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.849419][T10950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  675.849424][T10950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.849426][T10950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  675.849429][T10950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  675.849431][T10950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  675.849436][T10950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  675.849438][T10950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.849442][T10950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  675.849445][T10950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  675.849449][T10950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  675.849457][T10950]  ? 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))
[  675.849459][T10950]  ? 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))
[  675.849464][T10950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  675.849469][T10950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  675.849471][T10950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  675.849476][T10950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  675.849481][T10950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  675.849485][T10950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  675.849487][T10950]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  675.849493][T10950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  675.849496][T10950]  ____sys_sendmsg (net/socket.c:2713)
[  675.849499][T10950]  ? copy_msghdr_from_user (net/socket.c:2650)
[  675.849501][T10950]  ? sock_write_iter (net/socket.c:1269)
[  675.849503][T10950]  ? move_addr_to_kernel (net/socket.c:258)
[  675.849515][T10950]  ___sys_sendmsg (net/socket.c:2767)
[  675.849518][T10950]  ? copy_msghdr_from_user (net/socket.c:2619)
[  675.849538][T10950]  __sys_sendmsg (net/socket.c:2799)
[  675.849541][T10950]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  675.849549][T10950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.849553][T10950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  675.849556][T10950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  675.849559][T10950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  675.849561][T10950] RIP: 0033:0x7f02d711854e
[  675.849565][T10950] 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
[  675.849567][T10950] RSP: 002b:00007ffd3b3f6e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  675.849569][T10950] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f02d711854e
[  675.849571][T10950] RDX: 0000000000000000 RSI: 00007ffd3b3f6f30 RDI: 0000000000000005
[  675.849572][T10950] RBP: 00007ffd3b3f6e90 R08: 0000000000000000 R09: 0000000000000000
[  675.849572][T10950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ba8
[  675.849573][T10950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3b3f7600
| [  684.756051][T11093] softirqs last disabled at (29944): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  684.756053][T11093] Preemption disabled at:
| [  684.756054][T11093] vprintk_emit (kernel/printk/printk.c:2471)
| [  684.756062][T11093] Tainted: [W]=WARN
[  684.756063][T11093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  684.756065][T11093] Call Trace:
[  684.756066][T11093]  <TASK>
[  684.756068][T11093]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  684.756074][T11093]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  684.756075][T11093]  __might_resched.cold (kernel/sched/core.c:9234)
[  684.756080][T11093]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  684.756084][T11093]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  684.756089][T11093]  __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))
[  684.756091][T11093]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.756098][T11093]  ? 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)
[  684.756101][T11093]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.756105][T11093]  put_chars (drivers/char/virtio_console.c:1176)
[  684.756108][T11093]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  684.756115][T11093]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  684.756124][T11093]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  684.756128][T11093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.756133][T11093]  console_emit_next_record (kernel/printk/printk.c:3183)
[  684.756137][T11093]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  684.756139][T11093]  ? 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))
[  684.756143][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756145][T11093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.756150][T11093]  console_flush_one_record (kernel/printk/printk.c:3268)
[  684.756155][T11093]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  684.756157][T11093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.756163][T11093]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  684.756167][T11093]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  684.756168][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756170][T11093]  ? 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)
[  684.756175][T11093]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  684.756176][T11093]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  684.756179][T11093]  vprintk_emit (kernel/printk/printk.c:2479)
[  684.756183][T11093]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  684.756186][T11093]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  684.756192][T11093]  _printk (kernel/printk/printk.c:2504)
[  684.756196][T11093]  ? snapshot_read.cold (user.c:?)
[  684.756198][T11093]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  684.756201][T11093]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  684.756203][T11093]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  684.756206][T11093]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  684.756210][T11093]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  684.756213][T11093]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.756215][T11093]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  684.756218][T11093]  ? netdev_notice (net/core/dev.c:13194)
[  684.756221][T11093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.756225][T11093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  684.756227][T11093]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  684.756231][T11093]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.756234][T11093]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  684.756236][T11093]  ? register_netdev (net/core/dev.c:11618)
[  684.756238][T11093]  ? 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))
[  684.756243][T11093]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  684.756246][T11093]  ? __kernel_text_address (kernel/extable.c:79)
[  684.756249][T11093]  ? write_profile (profile.c:?)
[  684.756253][T11093]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  684.756260][T11093]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.756263][T11093]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  684.756266][T11093]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  684.756267][T11093]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  684.756269][T11093]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  684.756273][T11093]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  684.756275][T11093]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  684.756277][T11093]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  684.756279][T11093]  ? kasan_save_stack (mm/kasan/common.c:58)
[  684.756281][T11093]  ? kasan_save_stack (mm/kasan/common.c:57)
[  684.756283][T11093]  ? kasan_save_track (mm/kasan/common.c:78)
[  684.756284][T11093]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  684.756286][T11093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.756289][T11093]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  684.756292][T11093]  ? ___sys_sendmsg (net/socket.c:2758)
[  684.756296][T11093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  684.756298][T11093]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  684.756301][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756303][T11093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.756304][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756306][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756307][T11093]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  684.756310][T11093]  ? __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)
[  684.756311][T11093]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  684.756313][T11093]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  684.756317][T11093]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  684.756319][T11093]  ? nla_get_range_signed (lib/nlattr.c:270)
[  684.756324][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756327][T11093]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  684.756333][T11093]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  684.756339][T11093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.756341][T11093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.756347][T11093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  684.756349][T11093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.756351][T11093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.756353][T11093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  684.756357][T11093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.756360][T11093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  684.756363][T11093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.756364][T11093]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  684.756370][T11093]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  684.756372][T11093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.756376][T11093]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  684.756379][T11093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.756383][T11093]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  684.756394][T11093]  ? 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))
[  684.756396][T11093]  ? 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))
[  684.756401][T11093]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  684.756406][T11093]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  684.756408][T11093]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  684.756414][T11093]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  684.756418][T11093]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  684.756423][T11093]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  684.756424][T11093]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  684.756430][T11093]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  684.756433][T11093]  ____sys_sendmsg (net/socket.c:2713)
[  684.756436][T11093]  ? copy_msghdr_from_user (net/socket.c:2650)
[  684.756438][T11093]  ? sock_write_iter (net/socket.c:1269)
[  684.756440][T11093]  ? move_addr_to_kernel (net/socket.c:258)
[  684.756449][T11093]  ___sys_sendmsg (net/socket.c:2767)
[  684.756452][T11093]  ? copy_msghdr_from_user (net/socket.c:2619)
[  684.756472][T11093]  __sys_sendmsg (net/socket.c:2799)
[  684.756475][T11093]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  684.756482][T11093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.756486][T11093]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  684.756489][T11093]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  684.756492][T11093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.756494][T11093] RIP: 0033:0x7f06dc47754e
[  684.756498][T11093] 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
[  684.756500][T11093] RSP: 002b:00007ffc0a358280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  684.756503][T11093] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f06dc47754e
[  684.756504][T11093] RDX: 0000000000000000 RSI: 00007ffc0a358330 RDI: 0000000000000005
[  684.756505][T11093] RBP: 00007ffc0a358290 R08: 0000000000000000 R09: 0000000000000000
[  684.756506][T11093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bb0
[  684.756507][T11093] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0a358a00
| [  693.847348][T11236] softirqs last disabled at (24332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  693.847350][T11236] Preemption disabled at:
| [  693.847351][T11236] vprintk_emit (kernel/printk/printk.c:2471)
| [  693.847359][T11236] Tainted: [W]=WARN
[  693.847360][T11236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  693.847361][T11236] Call Trace:
[  693.847363][T11236]  <TASK>
[  693.847365][T11236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  693.847371][T11236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  693.847373][T11236]  __might_resched.cold (kernel/sched/core.c:9234)
[  693.847377][T11236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  693.847382][T11236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  693.847389][T11236]  __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))
[  693.847391][T11236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.847398][T11236]  ? 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)
[  693.847401][T11236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  693.847405][T11236]  put_chars (drivers/char/virtio_console.c:1176)
[  693.847408][T11236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  693.847415][T11236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  693.847424][T11236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  693.847427][T11236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.847433][T11236]  console_emit_next_record (kernel/printk/printk.c:3183)
[  693.847437][T11236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  693.847439][T11236]  ? 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))
[  693.847443][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847445][T11236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.847450][T11236]  console_flush_one_record (kernel/printk/printk.c:3268)
[  693.847455][T11236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  693.847457][T11236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.847463][T11236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  693.847466][T11236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  693.847468][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847470][T11236]  ? 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)
[  693.847474][T11236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  693.847476][T11236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  693.847479][T11236]  vprintk_emit (kernel/printk/printk.c:2479)
[  693.847483][T11236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  693.847486][T11236]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  693.847492][T11236]  _printk (kernel/printk/printk.c:2504)
[  693.847495][T11236]  ? snapshot_read.cold (user.c:?)
[  693.847497][T11236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  693.847500][T11236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  693.847503][T11236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  693.847505][T11236]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  693.847509][T11236]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  693.847512][T11236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.847514][T11236]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  693.847517][T11236]  ? netdev_notice (net/core/dev.c:13194)
[  693.847520][T11236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.847524][T11236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.847527][T11236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  693.847531][T11236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.847533][T11236]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  693.847535][T11236]  ? register_netdev (net/core/dev.c:11618)
[  693.847537][T11236]  ? 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))
[  693.847543][T11236]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  693.847545][T11236]  ? __kernel_text_address (kernel/extable.c:79)
[  693.847548][T11236]  ? write_profile (profile.c:?)
[  693.847552][T11236]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  693.847559][T11236]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  693.847563][T11236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  693.847565][T11236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  693.847566][T11236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  693.847568][T11236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  693.847575][T11236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  693.847577][T11236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  693.847579][T11236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  693.847582][T11236]  ? kasan_save_stack (mm/kasan/common.c:58)
[  693.847584][T11236]  ? kasan_save_stack (mm/kasan/common.c:57)
[  693.847585][T11236]  ? kasan_save_track (mm/kasan/common.c:78)
[  693.847587][T11236]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  693.847589][T11236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.847591][T11236]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  693.847594][T11236]  ? ___sys_sendmsg (net/socket.c:2758)
[  693.847599][T11236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.847601][T11236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  693.847604][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847606][T11236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  693.847608][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847609][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847611][T11236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  693.847613][T11236]  ? __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)
[  693.847615][T11236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  693.847617][T11236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  693.847621][T11236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  693.847622][T11236]  ? nla_get_range_signed (lib/nlattr.c:270)
[  693.847627][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847630][T11236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  693.847636][T11236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  693.847643][T11236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.847645][T11236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.847650][T11236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.847652][T11236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.847654][T11236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.847656][T11236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.847661][T11236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  693.847663][T11236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  693.847667][T11236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  693.847668][T11236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  693.847674][T11236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  693.847676][T11236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.847680][T11236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  693.847683][T11236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  693.847686][T11236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  693.847694][T11236]  ? 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))
[  693.847696][T11236]  ? 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))
[  693.847701][T11236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  693.847706][T11236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  693.847709][T11236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  693.847714][T11236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  693.847719][T11236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  693.847723][T11236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  693.847725][T11236]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  693.847731][T11236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  693.847734][T11236]  ____sys_sendmsg (net/socket.c:2713)
[  693.847737][T11236]  ? copy_msghdr_from_user (net/socket.c:2650)
[  693.847739][T11236]  ? sock_write_iter (net/socket.c:1269)
[  693.847741][T11236]  ? move_addr_to_kernel (net/socket.c:258)
[  693.847750][T11236]  ___sys_sendmsg (net/socket.c:2767)
[  693.847753][T11236]  ? copy_msghdr_from_user (net/socket.c:2619)
[  693.847773][T11236]  __sys_sendmsg (net/socket.c:2799)
[  693.847776][T11236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  693.847784][T11236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  693.847787][T11236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  693.847791][T11236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  693.847794][T11236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  693.847796][T11236] RIP: 0033:0x7f8dc18a954e
[  693.847800][T11236] 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
[  693.847802][T11236] RSP: 002b:00007ffd39031d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  693.847804][T11236] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8dc18a954e
[  693.847806][T11236] RDX: 0000000000000000 RSI: 00007ffd39031dd0 RDI: 0000000000000005
[  693.847807][T11236] RBP: 00007ffd39031d30 R08: 0000000000000000 R09: 0000000000000000
[  693.847807][T11236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bba
[  693.847809][T11236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd390324a0
| [  702.869067][T11379] softirqs last disabled at (20914): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  702.869070][T11379] Preemption disabled at:
| [  702.869070][T11379] vprintk_emit (kernel/printk/printk.c:2471)
| [  702.869078][T11379] Tainted: [W]=WARN
[  702.869079][T11379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  702.869081][T11379] Call Trace:
[  702.869082][T11379]  <TASK>
[  702.869084][T11379]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  702.869090][T11379]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  702.869092][T11379]  __might_resched.cold (kernel/sched/core.c:9234)
[  702.869096][T11379]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  702.869101][T11379]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  702.869105][T11379]  __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))
[  702.869107][T11379]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.869114][T11379]  ? 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)
[  702.869117][T11379]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  702.869121][T11379]  put_chars (drivers/char/virtio_console.c:1176)
[  702.869124][T11379]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  702.869131][T11379]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  702.869140][T11379]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  702.869144][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.869149][T11379]  console_emit_next_record (kernel/printk/printk.c:3183)
[  702.869153][T11379]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  702.869155][T11379]  ? 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))
[  702.869159][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869161][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.869166][T11379]  console_flush_one_record (kernel/printk/printk.c:3268)
[  702.869171][T11379]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  702.869173][T11379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.869179][T11379]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  702.869182][T11379]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  702.869184][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869186][T11379]  ? 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)
[  702.869190][T11379]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  702.869192][T11379]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  702.869195][T11379]  vprintk_emit (kernel/printk/printk.c:2479)
[  702.869199][T11379]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  702.869202][T11379]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  702.869208][T11379]  _printk (kernel/printk/printk.c:2504)
[  702.869212][T11379]  ? snapshot_read.cold (user.c:?)
[  702.869214][T11379]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  702.869216][T11379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  702.869219][T11379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  702.869221][T11379]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  702.869225][T11379]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  702.869228][T11379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.869231][T11379]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  702.869234][T11379]  ? netdev_notice (net/core/dev.c:13194)
[  702.869237][T11379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.869240][T11379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.869243][T11379]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  702.869247][T11379]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.869249][T11379]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  702.869251][T11379]  ? register_netdev (net/core/dev.c:11618)
[  702.869253][T11379]  ? 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))
[  702.869259][T11379]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  702.869261][T11379]  ? __kernel_text_address (kernel/extable.c:79)
[  702.869264][T11379]  ? write_profile (profile.c:?)
[  702.869268][T11379]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  702.869275][T11379]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  702.869279][T11379]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  702.869281][T11379]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  702.869282][T11379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  702.869284][T11379]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  702.869288][T11379]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  702.869290][T11379]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  702.869292][T11379]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  702.869294][T11379]  ? kasan_save_stack (mm/kasan/common.c:58)
[  702.869296][T11379]  ? kasan_save_stack (mm/kasan/common.c:57)
[  702.869297][T11379]  ? kasan_save_track (mm/kasan/common.c:78)
[  702.869299][T11379]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  702.869301][T11379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.869303][T11379]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  702.869306][T11379]  ? ___sys_sendmsg (net/socket.c:2758)
[  702.869311][T11379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.869313][T11379]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.869316][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869318][T11379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  702.869319][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869321][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869322][T11379]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  702.869325][T11379]  ? __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)
[  702.869326][T11379]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  702.869328][T11379]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  702.869332][T11379]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  702.869333][T11379]  ? nla_get_range_signed (lib/nlattr.c:270)
[  702.869339][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869341][T11379]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  702.869348][T11379]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  702.869354][T11379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.869356][T11379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.869362][T11379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.869364][T11379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.869366][T11379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.869368][T11379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.869372][T11379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  702.869374][T11379]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  702.869378][T11379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.869379][T11379]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  702.869388][T11379]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  702.869390][T11379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.869394][T11379]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  702.869397][T11379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  702.869400][T11379]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  702.869408][T11379]  ? 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))
[  702.869410][T11379]  ? 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))
[  702.869415][T11379]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  702.869420][T11379]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  702.869423][T11379]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  702.869428][T11379]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  702.869432][T11379]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  702.869437][T11379]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  702.869439][T11379]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  702.869444][T11379]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  702.869447][T11379]  ____sys_sendmsg (net/socket.c:2713)
[  702.869450][T11379]  ? copy_msghdr_from_user (net/socket.c:2650)
[  702.869452][T11379]  ? sock_write_iter (net/socket.c:1269)
[  702.869454][T11379]  ? move_addr_to_kernel (net/socket.c:258)
[  702.869463][T11379]  ___sys_sendmsg (net/socket.c:2767)
[  702.869466][T11379]  ? copy_msghdr_from_user (net/socket.c:2619)
[  702.869486][T11379]  __sys_sendmsg (net/socket.c:2799)
[  702.869489][T11379]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  702.869497][T11379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  702.869500][T11379]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  702.869503][T11379]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  702.869507][T11379]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  702.869509][T11379] RIP: 0033:0x7f533c66254e
[  702.869512][T11379] 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
[  702.869514][T11379] RSP: 002b:00007ffeb7acfa00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  702.869517][T11379] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f533c66254e
[  702.869518][T11379] RDX: 0000000000000000 RSI: 00007ffeb7acfab0 RDI: 0000000000000005
[  702.869519][T11379] RBP: 00007ffeb7acfa10 R08: 0000000000000000 R09: 0000000000000000
[  702.869520][T11379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bc3
[  702.869521][T11379] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb7ad0180
| [  711.908258][T11522] softirqs last disabled at (17606): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  711.908260][T11522] Preemption disabled at:
| [  711.908261][T11522] vprintk_emit (kernel/printk/printk.c:2471)
| [  711.908269][T11522] Tainted: [W]=WARN
[  711.908270][T11522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  711.908271][T11522] Call Trace:
[  711.908273][T11522]  <TASK>
[  711.908275][T11522]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  711.908281][T11522]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  711.908282][T11522]  __might_resched.cold (kernel/sched/core.c:9234)
[  711.908287][T11522]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  711.908291][T11522]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  711.908296][T11522]  __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))
[  711.908298][T11522]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.908305][T11522]  ? 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)
[  711.908308][T11522]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.908312][T11522]  put_chars (drivers/char/virtio_console.c:1176)
[  711.908315][T11522]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  711.908323][T11522]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  711.908331][T11522]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  711.908335][T11522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.908340][T11522]  console_emit_next_record (kernel/printk/printk.c:3183)
[  711.908345][T11522]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  711.908346][T11522]  ? 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))
[  711.908350][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908353][T11522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.908358][T11522]  console_flush_one_record (kernel/printk/printk.c:3268)
[  711.908362][T11522]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  711.908364][T11522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.908371][T11522]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  711.908374][T11522]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  711.908376][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908378][T11522]  ? 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)
[  711.908382][T11522]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  711.908387][T11522]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  711.908390][T11522]  vprintk_emit (kernel/printk/printk.c:2479)
[  711.908394][T11522]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  711.908397][T11522]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  711.908403][T11522]  _printk (kernel/printk/printk.c:2504)
[  711.908406][T11522]  ? snapshot_read.cold (user.c:?)
[  711.908408][T11522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  711.908411][T11522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  711.908414][T11522]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  711.908416][T11522]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  711.908420][T11522]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  711.908423][T11522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.908425][T11522]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  711.908428][T11522]  ? netdev_notice (net/core/dev.c:13194)
[  711.908431][T11522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.908435][T11522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  711.908438][T11522]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  711.908442][T11522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.908444][T11522]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  711.908446][T11522]  ? register_netdev (net/core/dev.c:11618)
[  711.908448][T11522]  ? 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))
[  711.908454][T11522]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  711.908457][T11522]  ? __kernel_text_address (kernel/extable.c:79)
[  711.908459][T11522]  ? write_profile (profile.c:?)
[  711.908464][T11522]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  711.908470][T11522]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  711.908474][T11522]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  711.908477][T11522]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  711.908478][T11522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  711.908480][T11522]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  711.908483][T11522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  711.908485][T11522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  711.908487][T11522]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  711.908490][T11522]  ? kasan_save_stack (mm/kasan/common.c:58)
[  711.908492][T11522]  ? kasan_save_stack (mm/kasan/common.c:57)
[  711.908493][T11522]  ? kasan_save_track (mm/kasan/common.c:78)
[  711.908494][T11522]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  711.908497][T11522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.908499][T11522]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  711.908502][T11522]  ? ___sys_sendmsg (net/socket.c:2758)
[  711.908506][T11522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  711.908508][T11522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  711.908512][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908513][T11522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.908515][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908516][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908518][T11522]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  711.908521][T11522]  ? __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)
[  711.908522][T11522]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  711.908524][T11522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  711.908528][T11522]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  711.908529][T11522]  ? nla_get_range_signed (lib/nlattr.c:270)
[  711.908535][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908537][T11522]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  711.908543][T11522]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.908550][T11522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.908552][T11522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.908557][T11522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  711.908559][T11522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.908561][T11522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.908563][T11522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  711.908568][T11522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.908570][T11522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  711.908574][T11522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.908575][T11522]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  711.908580][T11522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  711.908582][T11522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.908586][T11522]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  711.908590][T11522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.908593][T11522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  711.908601][T11522]  ? 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))
[  711.908603][T11522]  ? 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))
[  711.908608][T11522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  711.908613][T11522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  711.908616][T11522]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  711.908621][T11522]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  711.908625][T11522]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  711.908630][T11522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  711.908631][T11522]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  711.908641][T11522]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  711.908645][T11522]  ____sys_sendmsg (net/socket.c:2713)
[  711.908647][T11522]  ? copy_msghdr_from_user (net/socket.c:2650)
[  711.908650][T11522]  ? sock_write_iter (net/socket.c:1269)
[  711.908651][T11522]  ? move_addr_to_kernel (net/socket.c:258)
[  711.908660][T11522]  ___sys_sendmsg (net/socket.c:2767)
[  711.908663][T11522]  ? copy_msghdr_from_user (net/socket.c:2619)
[  711.908683][T11522]  __sys_sendmsg (net/socket.c:2799)
[  711.908686][T11522]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  711.908694][T11522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.908697][T11522]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  711.908700][T11522]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  711.908704][T11522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.908706][T11522] RIP: 0033:0x7f62b6e2254e
[  711.908709][T11522] 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
[  711.908711][T11522] RSP: 002b:00007ffe9391f840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  711.908714][T11522] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f62b6e2254e
[  711.908716][T11522] RDX: 0000000000000000 RSI: 00007ffe9391f8f0 RDI: 0000000000000005
[  711.908717][T11522] RBP: 00007ffe9391f850 R08: 0000000000000000 R09: 0000000000000000
[  711.908717][T11522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bcc
[  711.908718][T11522] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9391ffc0
| [  721.242217][T11668] softirqs last disabled at (17012): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  721.242220][T11668] Preemption disabled at:
| [  721.242220][T11668] vprintk_emit (kernel/printk/printk.c:2471)
| [  721.242228][T11668] Tainted: [W]=WARN
[  721.242229][T11668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  721.242231][T11668] Call Trace:
[  721.242232][T11668]  <TASK>
[  721.242234][T11668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  721.242240][T11668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  721.242241][T11668]  __might_resched.cold (kernel/sched/core.c:9234)
[  721.242246][T11668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  721.242251][T11668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  721.242255][T11668]  __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))
[  721.242257][T11668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.242264][T11668]  ? 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)
[  721.242267][T11668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.242272][T11668]  put_chars (drivers/char/virtio_console.c:1176)
[  721.242274][T11668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  721.242282][T11668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  721.242291][T11668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  721.242294][T11668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.242300][T11668]  console_emit_next_record (kernel/printk/printk.c:3183)
[  721.242304][T11668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  721.242306][T11668]  ? 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))
[  721.242310][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242313][T11668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.242317][T11668]  console_flush_one_record (kernel/printk/printk.c:3268)
[  721.242322][T11668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  721.242324][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.242330][T11668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  721.242333][T11668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  721.242335][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242337][T11668]  ? 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)
[  721.242341][T11668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  721.242343][T11668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  721.242346][T11668]  vprintk_emit (kernel/printk/printk.c:2479)
[  721.242349][T11668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  721.242352][T11668]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  721.242358][T11668]  _printk (kernel/printk/printk.c:2504)
[  721.242362][T11668]  ? snapshot_read.cold (user.c:?)
[  721.242363][T11668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  721.242366][T11668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  721.242369][T11668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  721.242371][T11668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  721.242375][T11668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  721.242378][T11668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.242381][T11668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  721.242386][T11668]  ? netdev_notice (net/core/dev.c:13194)
[  721.242390][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.242393][T11668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.242396][T11668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  721.242400][T11668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.242402][T11668]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  721.242405][T11668]  ? register_netdev (net/core/dev.c:11618)
[  721.242406][T11668]  ? 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))
[  721.242412][T11668]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  721.242415][T11668]  ? __kernel_text_address (kernel/extable.c:79)
[  721.242417][T11668]  ? write_profile (profile.c:?)
[  721.242422][T11668]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  721.242428][T11668]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.242432][T11668]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  721.242434][T11668]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  721.242435][T11668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  721.242438][T11668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  721.242441][T11668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  721.242443][T11668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  721.242445][T11668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  721.242448][T11668]  ? kasan_save_stack (mm/kasan/common.c:58)
[  721.242450][T11668]  ? kasan_save_stack (mm/kasan/common.c:57)
[  721.242451][T11668]  ? kasan_save_track (mm/kasan/common.c:78)
[  721.242452][T11668]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  721.242455][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.242457][T11668]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  721.242460][T11668]  ? ___sys_sendmsg (net/socket.c:2758)
[  721.242464][T11668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.242466][T11668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.242469][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242471][T11668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.242473][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242474][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242476][T11668]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  721.242478][T11668]  ? __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)
[  721.242479][T11668]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  721.242482][T11668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.242485][T11668]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  721.242487][T11668]  ? nla_get_range_signed (lib/nlattr.c:270)
[  721.242492][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242495][T11668]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  721.242501][T11668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.242507][T11668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.242509][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.242515][T11668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.242517][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.242519][T11668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.242521][T11668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.242525][T11668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.242528][T11668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.242531][T11668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.242532][T11668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.242538][T11668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.242540][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.242544][T11668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.242547][T11668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.242551][T11668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  721.242558][T11668]  ? 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))
[  721.242560][T11668]  ? 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))
[  721.242566][T11668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.242570][T11668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  721.242573][T11668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.242578][T11668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.242583][T11668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  721.242587][T11668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.242589][T11668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  721.242594][T11668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.242598][T11668]  ____sys_sendmsg (net/socket.c:2713)
[  721.242600][T11668]  ? copy_msghdr_from_user (net/socket.c:2650)
[  721.242602][T11668]  ? sock_write_iter (net/socket.c:1269)
[  721.242604][T11668]  ? move_addr_to_kernel (net/socket.c:258)
[  721.242613][T11668]  ___sys_sendmsg (net/socket.c:2767)
[  721.242616][T11668]  ? copy_msghdr_from_user (net/socket.c:2619)
[  721.242636][T11668]  __sys_sendmsg (net/socket.c:2799)
[  721.242639][T11668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  721.242647][T11668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.242650][T11668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.242653][T11668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  721.242656][T11668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.242659][T11668] RIP: 0033:0x7f331b89e54e
[  721.242662][T11668] 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
[  721.242664][T11668] RSP: 002b:00007ffcbd9d4ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  721.242672][T11668] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f331b89e54e
[  721.242674][T11668] RDX: 0000000000000000 RSI: 00007ffcbd9d50a0 RDI: 0000000000000005
[  721.242675][T11668] RBP: 00007ffcbd9d5000 R08: 0000000000000000 R09: 0000000000000000
[  721.242676][T11668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bd5
[  721.242676][T11668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbd9d5770
| [  730.293128][T11811] softirqs last disabled at (23804): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  730.293131][T11811] Preemption disabled at:
| [  730.293132][T11811] vprintk_emit (kernel/printk/printk.c:2471)
| [  730.293140][T11811] Tainted: [W]=WARN
[  730.293141][T11811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  730.293142][T11811] Call Trace:
[  730.293144][T11811]  <TASK>
[  730.293145][T11811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  730.293151][T11811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  730.293153][T11811]  __might_resched.cold (kernel/sched/core.c:9234)
[  730.293158][T11811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  730.293162][T11811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  730.293167][T11811]  __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))
[  730.293169][T11811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.293176][T11811]  ? 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)
[  730.293179][T11811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.293183][T11811]  put_chars (drivers/char/virtio_console.c:1176)
[  730.293186][T11811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  730.293194][T11811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  730.293202][T11811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  730.293206][T11811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.293211][T11811]  console_emit_next_record (kernel/printk/printk.c:3183)
[  730.293215][T11811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  730.293217][T11811]  ? 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))
[  730.293221][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293224][T11811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.293228][T11811]  console_flush_one_record (kernel/printk/printk.c:3268)
[  730.293233][T11811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  730.293235][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.293241][T11811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  730.293245][T11811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  730.293246][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293248][T11811]  ? 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)
[  730.293253][T11811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  730.293254][T11811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  730.293258][T11811]  vprintk_emit (kernel/printk/printk.c:2479)
[  730.293261][T11811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  730.293264][T11811]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  730.293270][T11811]  _printk (kernel/printk/printk.c:2504)
[  730.293274][T11811]  ? snapshot_read.cold (user.c:?)
[  730.293276][T11811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  730.293279][T11811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  730.293282][T11811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  730.293284][T11811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  730.293288][T11811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  730.293291][T11811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.293294][T11811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  730.293297][T11811]  ? netdev_notice (net/core/dev.c:13194)
[  730.293300][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.293303][T11811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.293306][T11811]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  730.293310][T11811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.293312][T11811]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  730.293315][T11811]  ? register_netdev (net/core/dev.c:11618)
[  730.293316][T11811]  ? 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))
[  730.293323][T11811]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  730.293325][T11811]  ? __kernel_text_address (kernel/extable.c:79)
[  730.293328][T11811]  ? write_profile (profile.c:?)
[  730.293332][T11811]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  730.293339][T11811]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.293343][T11811]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  730.293345][T11811]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  730.293346][T11811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  730.293348][T11811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  730.293352][T11811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  730.293354][T11811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  730.293356][T11811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  730.293359][T11811]  ? kasan_save_stack (mm/kasan/common.c:58)
[  730.293361][T11811]  ? kasan_save_stack (mm/kasan/common.c:57)
[  730.293362][T11811]  ? kasan_save_track (mm/kasan/common.c:78)
[  730.293363][T11811]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  730.293366][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.293368][T11811]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  730.293371][T11811]  ? ___sys_sendmsg (net/socket.c:2758)
[  730.293375][T11811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.293377][T11811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  730.293380][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293382][T11811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.293383][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293387][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293389][T11811]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  730.293392][T11811]  ? __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)
[  730.293393][T11811]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  730.293395][T11811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  730.293399][T11811]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  730.293400][T11811]  ? nla_get_range_signed (lib/nlattr.c:270)
[  730.293406][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293408][T11811]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  730.293414][T11811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  730.293421][T11811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.293423][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.293428][T11811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.293430][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.293432][T11811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.293434][T11811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.293439][T11811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.293441][T11811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  730.293445][T11811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.293446][T11811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.293451][T11811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.293453][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.293457][T11811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  730.293460][T11811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.293463][T11811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  730.293471][T11811]  ? 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))
[  730.293474][T11811]  ? 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))
[  730.293479][T11811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  730.293483][T11811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  730.293486][T11811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.293491][T11811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  730.293496][T11811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  730.293500][T11811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.293502][T11811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  730.293508][T11811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  730.293511][T11811]  ____sys_sendmsg (net/socket.c:2713)
[  730.293513][T11811]  ? copy_msghdr_from_user (net/socket.c:2650)
[  730.293516][T11811]  ? sock_write_iter (net/socket.c:1269)
[  730.293517][T11811]  ? move_addr_to_kernel (net/socket.c:258)
[  730.293526][T11811]  ___sys_sendmsg (net/socket.c:2767)
[  730.293529][T11811]  ? copy_msghdr_from_user (net/socket.c:2619)
[  730.293550][T11811]  __sys_sendmsg (net/socket.c:2799)
[  730.293552][T11811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  730.293560][T11811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.293564][T11811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  730.293566][T11811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  730.293570][T11811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  730.293572][T11811] RIP: 0033:0x7f5114d7354e
[  730.293576][T11811] 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
[  730.293577][T11811] RSP: 002b:00007ffc6f90f6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  730.293580][T11811] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5114d7354e
[  730.293581][T11811] RDX: 0000000000000000 RSI: 00007ffc6f90f790 RDI: 0000000000000005
[  730.293582][T11811] RBP: 00007ffc6f90f6f0 R08: 0000000000000000 R09: 0000000000000000
[  730.293583][T11811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bde
[  730.293584][T11811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6f90fe60
| [  739.346015][T11954] softirqs last disabled at (24096): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  739.346017][T11954] Preemption disabled at:
| [  739.346018][T11954] vprintk_emit (kernel/printk/printk.c:2471)
| [  739.346026][T11954] Tainted: [W]=WARN
[  739.346027][T11954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  739.346028][T11954] Call Trace:
[  739.346030][T11954]  <TASK>
[  739.346032][T11954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  739.346038][T11954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  739.346040][T11954]  __might_resched.cold (kernel/sched/core.c:9234)
[  739.346044][T11954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  739.346049][T11954]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  739.346054][T11954]  __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))
[  739.346056][T11954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  739.346063][T11954]  ? 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)
[  739.346065][T11954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  739.346069][T11954]  put_chars (drivers/char/virtio_console.c:1176)
[  739.346072][T11954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  739.346080][T11954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  739.346088][T11954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  739.346092][T11954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.346097][T11954]  console_emit_next_record (kernel/printk/printk.c:3183)
[  739.346102][T11954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  739.346103][T11954]  ? 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))
[  739.346107][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346110][T11954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.346115][T11954]  console_flush_one_record (kernel/printk/printk.c:3268)
[  739.346119][T11954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  739.346122][T11954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  739.346128][T11954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  739.346131][T11954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  739.346133][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346135][T11954]  ? 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)
[  739.346139][T11954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  739.346141][T11954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  739.346144][T11954]  vprintk_emit (kernel/printk/printk.c:2479)
[  739.346148][T11954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  739.346151][T11954]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  739.346156][T11954]  _printk (kernel/printk/printk.c:2504)
[  739.346160][T11954]  ? snapshot_read.cold (user.c:?)
[  739.346162][T11954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  739.346165][T11954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  739.346168][T11954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  739.346170][T11954]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  739.346174][T11954]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  739.346177][T11954]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  739.346179][T11954]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  739.346182][T11954]  ? netdev_notice (net/core/dev.c:13194)
[  739.346186][T11954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  739.346189][T11954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  739.346192][T11954]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  739.346196][T11954]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  739.346198][T11954]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  739.346200][T11954]  ? register_netdev (net/core/dev.c:11618)
[  739.346202][T11954]  ? 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))
[  739.346208][T11954]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  739.346211][T11954]  ? __kernel_text_address (kernel/extable.c:79)
[  739.346213][T11954]  ? write_profile (profile.c:?)
[  739.346217][T11954]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  739.346224][T11954]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  739.346228][T11954]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  739.346230][T11954]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  739.346231][T11954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  739.346233][T11954]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  739.346237][T11954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  739.346239][T11954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  739.346241][T11954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  739.346243][T11954]  ? kasan_save_stack (mm/kasan/common.c:58)
[  739.346245][T11954]  ? kasan_save_stack (mm/kasan/common.c:57)
[  739.346247][T11954]  ? kasan_save_track (mm/kasan/common.c:78)
[  739.346248][T11954]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  739.346250][T11954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  739.346252][T11954]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  739.346256][T11954]  ? ___sys_sendmsg (net/socket.c:2758)
[  739.346260][T11954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  739.346262][T11954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  739.346265][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346267][T11954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  739.346269][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346270][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346272][T11954]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  739.346274][T11954]  ? __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)
[  739.346276][T11954]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  739.346278][T11954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  739.346282][T11954]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  739.346283][T11954]  ? nla_get_range_signed (lib/nlattr.c:270)
[  739.346288][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346291][T11954]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  739.346297][T11954]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  739.346304][T11954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  739.346306][T11954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  739.346311][T11954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  739.346313][T11954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  739.346315][T11954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  739.346317][T11954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  739.346322][T11954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  739.346324][T11954]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  739.346328][T11954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  739.346329][T11954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  739.346335][T11954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  739.346337][T11954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  739.346341][T11954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  739.346344][T11954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  739.346347][T11954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  739.346355][T11954]  ? 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))
[  739.346357][T11954]  ? 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))
[  739.346362][T11954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  739.346367][T11954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  739.346370][T11954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  739.346375][T11954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  739.346380][T11954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  739.346387][T11954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  739.346389][T11954]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  739.346395][T11954]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  739.346398][T11954]  ____sys_sendmsg (net/socket.c:2713)
[  739.346401][T11954]  ? copy_msghdr_from_user (net/socket.c:2650)
[  739.346403][T11954]  ? sock_write_iter (net/socket.c:1269)
[  739.346405][T11954]  ? move_addr_to_kernel (net/socket.c:258)
[  739.346414][T11954]  ___sys_sendmsg (net/socket.c:2767)
[  739.346417][T11954]  ? copy_msghdr_from_user (net/socket.c:2619)
[  739.346437][T11954]  __sys_sendmsg (net/socket.c:2799)
[  739.346440][T11954]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  739.346447][T11954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  739.346451][T11954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  739.346454][T11954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  739.346457][T11954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  739.346459][T11954] RIP: 0033:0x7fb6bd7cd54e
[  739.346463][T11954] 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
[  739.346465][T11954] RSP: 002b:00007fff12e6b560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  739.346467][T11954] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb6bd7cd54e
[  739.346469][T11954] RDX: 0000000000000000 RSI: 00007fff12e6b610 RDI: 0000000000000005
[  739.346470][T11954] RBP: 00007fff12e6b570 R08: 0000000000000000 R09: 0000000000000000
[  739.346471][T11954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913be7
[  739.346471][T11954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff12e6bce0
| [  748.478970][T12097] softirqs last disabled at (23666): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  748.478973][T12097] Preemption disabled at:
| [  748.478973][T12097] vprintk_emit (kernel/printk/printk.c:2471)
| [  748.478982][T12097] Tainted: [W]=WARN
[  748.478982][T12097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  748.478984][T12097] Call Trace:
[  748.478986][T12097]  <TASK>
[  748.478987][T12097]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  748.478993][T12097]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  748.478995][T12097]  __might_resched.cold (kernel/sched/core.c:9234)
[  748.479000][T12097]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  748.479004][T12097]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  748.479009][T12097]  __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))
[  748.479011][T12097]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  748.479018][T12097]  ? 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)
[  748.479021][T12097]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  748.479025][T12097]  put_chars (drivers/char/virtio_console.c:1176)
[  748.479028][T12097]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  748.479036][T12097]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  748.479044][T12097]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  748.479048][T12097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.479053][T12097]  console_emit_next_record (kernel/printk/printk.c:3183)
[  748.479058][T12097]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  748.479059][T12097]  ? 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))
[  748.479063][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479066][T12097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.479071][T12097]  console_flush_one_record (kernel/printk/printk.c:3268)
[  748.479075][T12097]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  748.479077][T12097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  748.479084][T12097]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  748.479087][T12097]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  748.479089][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479091][T12097]  ? 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)
[  748.479095][T12097]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  748.479097][T12097]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  748.479100][T12097]  vprintk_emit (kernel/printk/printk.c:2479)
[  748.479104][T12097]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  748.479107][T12097]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  748.479113][T12097]  _printk (kernel/printk/printk.c:2504)
[  748.479116][T12097]  ? snapshot_read.cold (user.c:?)
[  748.479118][T12097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  748.479121][T12097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  748.479124][T12097]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  748.479127][T12097]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  748.479130][T12097]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  748.479133][T12097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  748.479136][T12097]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  748.479139][T12097]  ? netdev_notice (net/core/dev.c:13194)
[  748.479142][T12097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  748.479146][T12097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  748.479148][T12097]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  748.479152][T12097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  748.479155][T12097]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  748.479157][T12097]  ? register_netdev (net/core/dev.c:11618)
[  748.479158][T12097]  ? 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))
[  748.479164][T12097]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  748.479167][T12097]  ? __kernel_text_address (kernel/extable.c:79)
[  748.479170][T12097]  ? write_profile (profile.c:?)
[  748.479174][T12097]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  748.479181][T12097]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  748.479185][T12097]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  748.479187][T12097]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  748.479188][T12097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  748.479190][T12097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  748.479194][T12097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  748.479196][T12097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  748.479198][T12097]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  748.479201][T12097]  ? kasan_save_stack (mm/kasan/common.c:58)
[  748.479203][T12097]  ? kasan_save_stack (mm/kasan/common.c:57)
[  748.479204][T12097]  ? kasan_save_track (mm/kasan/common.c:78)
[  748.479205][T12097]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  748.479208][T12097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  748.479210][T12097]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  748.479213][T12097]  ? ___sys_sendmsg (net/socket.c:2758)
[  748.479217][T12097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  748.479219][T12097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  748.479222][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479224][T12097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.479226][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479227][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479229][T12097]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  748.479231][T12097]  ? __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)
[  748.479233][T12097]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  748.479235][T12097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  748.479239][T12097]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  748.479240][T12097]  ? nla_get_range_signed (lib/nlattr.c:270)
[  748.479245][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479248][T12097]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  748.479255][T12097]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  748.479261][T12097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  748.479263][T12097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  748.479269][T12097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  748.479271][T12097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  748.479273][T12097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  748.479275][T12097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  748.479279][T12097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  748.479282][T12097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  748.479285][T12097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  748.479287][T12097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  748.479292][T12097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  748.479294][T12097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  748.479298][T12097]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  748.479301][T12097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  748.479305][T12097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  748.479313][T12097]  ? 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))
[  748.479315][T12097]  ? 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))
[  748.479320][T12097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  748.479325][T12097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  748.479328][T12097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  748.479333][T12097]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  748.479337][T12097]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  748.479342][T12097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  748.479344][T12097]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  748.479350][T12097]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  748.479353][T12097]  ____sys_sendmsg (net/socket.c:2713)
[  748.479355][T12097]  ? copy_msghdr_from_user (net/socket.c:2650)
[  748.479358][T12097]  ? sock_write_iter (net/socket.c:1269)
[  748.479359][T12097]  ? move_addr_to_kernel (net/socket.c:258)
[  748.479368][T12097]  ___sys_sendmsg (net/socket.c:2767)
[  748.479372][T12097]  ? copy_msghdr_from_user (net/socket.c:2619)
[  748.479395][T12097]  __sys_sendmsg (net/socket.c:2799)
[  748.479398][T12097]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  748.479405][T12097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.479409][T12097]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  748.479412][T12097]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  748.479415][T12097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  748.479417][T12097] RIP: 0033:0x7fc64b78b54e
[  748.479421][T12097] 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
[  748.479423][T12097] RSP: 002b:00007ffd7aa703f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  748.479426][T12097] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc64b78b54e
[  748.479428][T12097] RDX: 0000000000000000 RSI: 00007ffd7aa704a0 RDI: 0000000000000005
[  748.479428][T12097] RBP: 00007ffd7aa70400 R08: 0000000000000000 R09: 0000000000000000
[  748.479429][T12097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bf0
[  748.479430][T12097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7aa70b70
| [  757.729690][T12241] softirqs last disabled at (26288): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  757.729693][T12241] Preemption disabled at:
| [  757.729693][T12241] vprintk_emit (kernel/printk/printk.c:2471)
| [  757.729701][T12241] Tainted: [W]=WARN
[  757.729702][T12241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  757.729704][T12241] Call Trace:
[  757.729705][T12241]  <TASK>
[  757.729707][T12241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  757.729712][T12241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  757.729714][T12241]  __might_resched.cold (kernel/sched/core.c:9234)
[  757.729719][T12241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  757.729723][T12241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  757.729728][T12241]  __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))
[  757.729730][T12241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.729737][T12241]  ? 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)
[  757.729740][T12241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.729744][T12241]  put_chars (drivers/char/virtio_console.c:1176)
[  757.729747][T12241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  757.729755][T12241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  757.729763][T12241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  757.729767][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.729772][T12241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  757.729776][T12241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  757.729778][T12241]  ? 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))
[  757.729782][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.729785][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.729790][T12241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  757.729799][T12241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  757.729800][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.729807][T12241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  757.729810][T12241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  757.729812][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.729814][T12241]  ? 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)
[  757.729818][T12241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  757.729820][T12241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  757.729823][T12241]  vprintk_emit (kernel/printk/printk.c:2479)
[  757.729827][T12241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  757.729830][T12241]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  757.729835][T12241]  _printk (kernel/printk/printk.c:2504)
[  757.729840][T12241]  ? snapshot_read.cold (user.c:?)
[  757.729841][T12241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  757.729845][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  757.729847][T12241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  757.729850][T12241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  757.729853][T12241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  757.729857][T12241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  757.729859][T12241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  757.729862][T12241]  ? netdev_notice (net/core/dev.c:13194)
[  757.729865][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.729869][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  757.729871][T12241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  757.729875][T12241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  757.729878][T12241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  757.729880][T12241]  ? register_netdev (net/core/dev.c:11618)
[  757.729881][T12241]  ? 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))
[  757.729888][T12241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  757.729890][T12241]  ? __kernel_text_address (kernel/extable.c:79)
[  757.729893][T12241]  ? write_profile (profile.c:?)
[  757.729897][T12241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  757.729904][T12241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  757.729908][T12241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  757.729910][T12241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  757.729911][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  757.729913][T12241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  757.729917][T12241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  757.729919][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  757.729921][T12241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  757.729923][T12241]  ? kasan_save_stack (mm/kasan/common.c:58)
[  757.729925][T12241]  ? kasan_save_stack (mm/kasan/common.c:57)
[  757.729927][T12241]  ? kasan_save_track (mm/kasan/common.c:78)
[  757.729928][T12241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  757.729931][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.729933][T12241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  757.729936][T12241]  ? ___sys_sendmsg (net/socket.c:2758)
[  757.729940][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  757.729942][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  757.729945][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.729947][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.729949][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.729950][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.729952][T12241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  757.729954][T12241]  ? __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)
[  757.729955][T12241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  757.729957][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  757.729961][T12241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  757.729963][T12241]  ? nla_get_range_signed (lib/nlattr.c:270)
[  757.729968][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.729970][T12241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  757.729977][T12241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.729983][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.729985][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.729991][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  757.729993][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.729995][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.729997][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  757.730001][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.730004][T12241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  757.730007][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.730009][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  757.730014][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  757.730016][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.730020][T12241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  757.730023][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.730026][T12241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  757.730034][T12241]  ? 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))
[  757.730036][T12241]  ? 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))
[  757.730042][T12241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  757.730046][T12241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  757.730049][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  757.730054][T12241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  757.730059][T12241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  757.730063][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  757.730065][T12241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  757.730071][T12241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  757.730074][T12241]  ____sys_sendmsg (net/socket.c:2713)
[  757.730076][T12241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  757.730079][T12241]  ? sock_write_iter (net/socket.c:1269)
[  757.730080][T12241]  ? move_addr_to_kernel (net/socket.c:258)
[  757.730089][T12241]  ___sys_sendmsg (net/socket.c:2767)
[  757.730093][T12241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  757.730113][T12241]  __sys_sendmsg (net/socket.c:2799)
[  757.730116][T12241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  757.730123][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.730127][T12241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  757.730130][T12241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  757.730133][T12241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  757.730135][T12241] RIP: 0033:0x7f60b05fe54e
[  757.730139][T12241] 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
[  757.730141][T12241] RSP: 002b:00007ffe031c0800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  757.730144][T12241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f60b05fe54e
[  757.730145][T12241] RDX: 0000000000000000 RSI: 00007ffe031c08b0 RDI: 0000000000000005
[  757.730146][T12241] RBP: 00007ffe031c0810 R08: 0000000000000000 R09: 0000000000000000
[  757.730147][T12241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913bf9
[  757.730148][T12241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe031c0f80
| [  766.830167][T12384] softirqs last disabled at (24424): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  766.830170][T12384] Preemption disabled at:
| [  766.830170][T12384] vprintk_emit (kernel/printk/printk.c:2471)
| [  766.830178][T12384] Tainted: [W]=WARN
[  766.830179][T12384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  766.830181][T12384] Call Trace:
[  766.830183][T12384]  <TASK>
[  766.830185][T12384]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  766.830190][T12384]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  766.830192][T12384]  __might_resched.cold (kernel/sched/core.c:9234)
[  766.830197][T12384]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  766.830202][T12384]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  766.830207][T12384]  __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))
[  766.830209][T12384]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.830216][T12384]  ? 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)
[  766.830219][T12384]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.830223][T12384]  put_chars (drivers/char/virtio_console.c:1176)
[  766.830226][T12384]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  766.830234][T12384]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  766.830243][T12384]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  766.830246][T12384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.830252][T12384]  console_emit_next_record (kernel/printk/printk.c:3183)
[  766.830256][T12384]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  766.830258][T12384]  ? 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))
[  766.830262][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830265][T12384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.830270][T12384]  console_flush_one_record (kernel/printk/printk.c:3268)
[  766.830275][T12384]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  766.830277][T12384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  766.830283][T12384]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  766.830286][T12384]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  766.830288][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830290][T12384]  ? 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)
[  766.830294][T12384]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  766.830296][T12384]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  766.830299][T12384]  vprintk_emit (kernel/printk/printk.c:2479)
[  766.830303][T12384]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  766.830306][T12384]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  766.830312][T12384]  _printk (kernel/printk/printk.c:2504)
[  766.830316][T12384]  ? snapshot_read.cold (user.c:?)
[  766.830318][T12384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  766.830321][T12384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  766.830324][T12384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  766.830326][T12384]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  766.830330][T12384]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  766.830334][T12384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  766.830336][T12384]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  766.830339][T12384]  ? netdev_notice (net/core/dev.c:13194)
[  766.830343][T12384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  766.830346][T12384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  766.830349][T12384]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  766.830353][T12384]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  766.830356][T12384]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  766.830358][T12384]  ? register_netdev (net/core/dev.c:11618)
[  766.830359][T12384]  ? 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))
[  766.830366][T12384]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  766.830368][T12384]  ? __kernel_text_address (kernel/extable.c:79)
[  766.830371][T12384]  ? write_profile (profile.c:?)
[  766.830376][T12384]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  766.830382][T12384]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  766.830389][T12384]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  766.830392][T12384]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  766.830393][T12384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  766.830395][T12384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  766.830399][T12384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  766.830401][T12384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  766.830403][T12384]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  766.830406][T12384]  ? kasan_save_stack (mm/kasan/common.c:58)
[  766.830407][T12384]  ? kasan_save_stack (mm/kasan/common.c:57)
[  766.830409][T12384]  ? kasan_save_track (mm/kasan/common.c:78)
[  766.830410][T12384]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  766.830413][T12384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  766.830415][T12384]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  766.830418][T12384]  ? ___sys_sendmsg (net/socket.c:2758)
[  766.830422][T12384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  766.830424][T12384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  766.830427][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830429][T12384]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.830431][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830432][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830434][T12384]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  766.830436][T12384]  ? __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)
[  766.830438][T12384]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  766.830440][T12384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  766.830444][T12384]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  766.830446][T12384]  ? nla_get_range_signed (lib/nlattr.c:270)
[  766.830451][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830454][T12384]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  766.830461][T12384]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  766.830467][T12384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  766.830469][T12384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  766.830475][T12384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  766.830477][T12384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  766.830479][T12384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  766.830481][T12384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  766.830485][T12384]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  766.830488][T12384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  766.830491][T12384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  766.830493][T12384]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  766.830498][T12384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  766.830500][T12384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  766.830504][T12384]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  766.830508][T12384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  766.830511][T12384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  766.830519][T12384]  ? 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))
[  766.830521][T12384]  ? 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))
[  766.830526][T12384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  766.830531][T12384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  766.830534][T12384]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  766.830540][T12384]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  766.830544][T12384]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  766.830549][T12384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  766.830551][T12384]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  766.830557][T12384]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  766.830560][T12384]  ____sys_sendmsg (net/socket.c:2713)
[  766.830563][T12384]  ? copy_msghdr_from_user (net/socket.c:2650)
[  766.830565][T12384]  ? sock_write_iter (net/socket.c:1269)
[  766.830567][T12384]  ? move_addr_to_kernel (net/socket.c:258)
[  766.830576][T12384]  ___sys_sendmsg (net/socket.c:2767)
[  766.830579][T12384]  ? copy_msghdr_from_user (net/socket.c:2619)
[  766.830600][T12384]  __sys_sendmsg (net/socket.c:2799)
[  766.830603][T12384]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  766.830611][T12384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.830615][T12384]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  766.830618][T12384]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  766.830621][T12384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  766.830623][T12384] RIP: 0033:0x7feeae29f54e
[  766.830627][T12384] 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
[  766.830629][T12384] RSP: 002b:00007ffce4336540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  766.830632][T12384] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feeae29f54e
[  766.830633][T12384] RDX: 0000000000000000 RSI: 00007ffce43365f0 RDI: 0000000000000005
[  766.830634][T12384] RBP: 00007ffce4336550 R08: 0000000000000000 R09: 0000000000000000
[  766.830635][T12384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913c03


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