======================================
| [    9.019709][  T187] softirqs last disabled at (33187): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.019712][  T187] Preemption disabled at:
| [    9.019712][  T187] 0x0
| [    9.019722][  T187] Tainted: [W]=WARN
[    9.019723][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.019724][  T187] Call Trace:
[    9.019726][  T187]  <TASK>
[    9.019728][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.019734][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.019739][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.019742][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.019747][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.019750][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.019755][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.019758][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.019761][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.019764][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.019765][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.019770][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.019775][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.019781][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.019783][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.019785][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.019789][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.019793][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.019794][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.019798][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.019800][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.019804][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.019808][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.019809][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.019814][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.019817][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.019819][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.019821][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.019825][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.019826][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.019829][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.019833][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.019836][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.019840][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.019843][  T187]  ? snapshot_read.cold (user.c:?)
[    9.019846][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.019848][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.019852][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.019855][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.019859][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.019860][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.019863][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.019867][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.019870][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.019872][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.019874][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.019877][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.019880][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.019882][  T187] RIP: 0033:0x7fcb958171b8
[    9.019884][  T187] Code: Unable to access opcode bytes at 0x7fcb9581718e.

Code starting with the faulting instruction
===========================================
[    9.019885][  T187] RSP: 002b:00007ffde6360b48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.019887][  T187] RAX: ffffffffffffffda RBX: 00007fcb95947f88 RCX: 00007fcb958171b8
[    9.019889][  T187] RDX: 00007fcb95561fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.019890][  T187] RBP: 00007ffde6360ba0 R08: 0000000000000000 R09: 0000000000008010
[    9.019891][  T187] R10: 00007ffde6360960 R11: 0000000000000246 R12: 0000000000000001
[    9.019892][  T187] R13: 0000000000000000 R14: 00007fcb95946680 R15: 00007fcb95947fa0
| [   10.123808][  T227] softirqs last disabled at (15174): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.123811][  T227] Preemption disabled at:
| [   10.123811][  T227] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.123820][  T227] Tainted: [W]=WARN
[   10.123821][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.123822][  T227] Call Trace:
[   10.123824][  T227]  <TASK>
[   10.123825][  T227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.123831][  T227]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.123833][  T227]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.123838][  T227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.123842][  T227]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.123847][  T227]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.123849][  T227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.123855][  T227]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.123858][  T227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.123861][  T227]  put_chars (drivers/char/virtio_console.c:1176)
[   10.123864][  T227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.123868][  T227]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.123871][  T227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.123874][  T227]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.123876][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.123877][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.123881][  T227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.123883][  T227]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.123886][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.123890][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.123894][  T227]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.123898][  T227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.123899][  T227]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.123902][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.123905][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.123909][  T227]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.123913][  T227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.123914][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.123919][  T227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.123922][  T227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.123924][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.123926][  T227]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.123930][  T227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.123931][  T227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.123935][  T227]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.123938][  T227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.123941][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.123942][  T227]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.123946][  T227]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.123950][  T227]  _printk (kernel/printk/printk.c:2504)
[   10.123953][  T227]  ? snapshot_read.cold (user.c:?)
[   10.123957][  T227]  ? br_multicast_flood (??:?) bridge
[   10.123968][  T227]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.123970][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.123971][  T227]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.123975][  T227] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.123985][  T227] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.123993][  T227] new_nbp (net/bridge/br_if.c:449) bridge
[   10.124002][  T227] br_add_if (net/bridge/br_if.c:592) bridge
[   10.124009][  T227]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.124013][  T227]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.124016][  T227]  ? __kernel_text_address (kernel/extable.c:79)
[   10.124024][  T227]  do_set_master (net/core/rtnetlink.c:3071)
[   10.124029][  T227]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.124032][  T227]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.124035][  T227]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.124036][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.124038][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.124042][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.124044][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.124046][  T227]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.124048][  T227]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.124052][  T227]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.124053][  T227]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.124056][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.124058][  T227]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.124061][  T227]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.124065][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.124067][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.124069][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.124071][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.124073][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.124075][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.124077][  T227]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.124081][  T227]  ? __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)
[   10.124082][  T227]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.124084][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.124087][  T227]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.124089][  T227]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.124094][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.124099][  T227]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.124104][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.124105][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.124110][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.124112][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.124114][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.124116][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.124119][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.124121][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.124124][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.124125][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.124130][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.124131][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.124135][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.124136][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.124139][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.124145][  T227]  ? 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))
[   10.124146][  T227]  ? 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))
[   10.124150][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.124154][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.124156][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.124160][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.124164][  T227]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.124168][  T227]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.124173][  T227]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.124175][  T227]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.124177][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.124179][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   10.124186][  T227]  ___sys_sendmsg (net/socket.c:2767)
[   10.124188][  T227]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.124203][  T227]  __sys_sendmsg (net/socket.c:2799)
[   10.124206][  T227]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.124212][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.124215][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.124217][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.124220][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.124222][  T227] RIP: 0033:0x7ff53e91054e
[   10.124226][  T227] 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
[   10.124228][  T227] RSP: 002b:00007ffc8142c3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.124230][  T227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff53e91054e
[   10.124231][  T227] RDX: 0000000000000000 RSI: 00007ffc8142c490 RDI: 0000000000000005
[   10.124232][  T227] RBP: 00007ffc8142c3f0 R08: 0000000000000000 R09: 0000000000000000
[   10.124233][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915feb
[   10.124234][  T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8142cb50
| [   17.762191][  T281] softirqs last disabled at (23810): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2))
| [   17.762194][  T281] Preemption disabled at:
| [   17.762195][  T281] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.762204][  T281] Tainted: [W]=WARN
[   17.762205][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.762207][  T281] Call Trace:
[   17.762209][  T281]  <TASK>
[   17.762210][  T281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.762216][  T281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.762219][  T281]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.762223][  T281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.762228][  T281]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.762233][  T281]  __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))
[   17.762235][  T281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.762241][  T281]  ? 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)
[   17.762244][  T281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.762247][  T281]  put_chars (drivers/char/virtio_console.c:1176)
[   17.762249][  T281]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.762251][  T281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.762254][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.762258][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.762262][  T281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.762265][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762267][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762272][  T281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.762273][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.762276][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762279][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.762283][  T281]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.762287][  T281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.762289][  T281]  ? 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))
[   17.762292][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762295][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.762299][  T281]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.762303][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.762305][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762310][  T281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.762313][  T281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.762315][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762317][  T281]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.762321][  T281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.762323][  T281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.762327][  T281]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.762331][  T281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.762333][  T281]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.762335][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762336][  T281]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   17.762338][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   17.762342][  T281]  _printk (kernel/printk/printk.c:2504)
[   17.762346][  T281]  ? snapshot_read.cold (user.c:?)
[   17.762349][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.762351][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.762353][  T281]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.762357][  T281]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.762360][  T281]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.762363][  T281]  ? netdev_notice (net/core/dev.c:13194)
[   17.762367][  T281]  ? 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)
[   17.762369][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.762372][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.762378][  T281]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   17.762382][  T281]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   17.762387][  T281]  __dev_change_flags (net/core/dev.c:9821)
[   17.762390][  T281]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.762397][  T281]  netif_change_flags (net/core/dev.c:9877)
[   17.762401][  T281]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.762405][  T281]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.762408][  T281]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.762409][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.762411][  T281]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.762415][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.762417][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.762419][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.762422][  T281]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.762425][  T281]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.762426][  T281]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.762429][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762431][  T281]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.762434][  T281]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.762439][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.762441][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.762444][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762446][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.762448][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762450][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762452][  T281]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.762455][  T281]  ? __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)
[   17.762458][  T281]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.762460][  T281]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.762464][  T281]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.762469][  T281]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.762475][  T281]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.762480][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.762482][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762487][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.762489][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.762491][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.762493][  T281]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.762496][  T281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.762498][  T281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.762502][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.762503][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762508][  T281]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.762510][  T281]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.762513][  T281]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.762515][  T281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.762518][  T281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.762525][  T281]  ? 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))
[   17.762526][  T281]  ? 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))
[   17.762531][  T281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.762535][  T281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.762537][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.762542][  T281]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.762546][  T281]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.762550][  T281]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.762556][  T281]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.762558][  T281]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.762560][  T281]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.762562][  T281]  ? move_addr_to_kernel (net/socket.c:258)
[   17.762570][  T281]  ___sys_sendmsg (net/socket.c:2767)
[   17.762573][  T281]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.762589][  T281]  __sys_sendmsg (net/socket.c:2799)
[   17.762592][  T281]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.762599][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.762603][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.762605][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.762609][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.762611][  T281] RIP: 0033:0x7f956eccb54e
[   17.762615][  T281] 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
[   17.762617][  T281] RSP: 002b:00007ffd4fb4c270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.762620][  T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f956eccb54e
[   17.762622][  T281] RDX: 0000000000000000 RSI: 00007ffd4fb4c320 RDI: 0000000000000005
[   17.762622][  T281] RBP: 00007ffd4fb4c280 R08: 0000000000000000 R09: 0000000000000000
[   17.762623][  T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ff3
[   17.762624][  T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4fb4c9e0
| [   25.465123][    C0] softirqs last disabled at (638961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.465124][    C0] Preemption disabled at:
| [   25.465125][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   25.465135][    C0] Tainted: [W]=WARN
[   25.465136][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.465137][    C0] Call Trace:
[   25.465139][    C0]  <IRQ>
[   25.465140][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.465146][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   25.465147][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.465151][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.465154][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   25.465157][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465161][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.465164][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.465166][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.465170][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.465172][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.465174][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   25.465175][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.465177][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   25.465181][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.465184][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.465185][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465187][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.465189][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.465191][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.465193][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465195][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465196][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.465198][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   25.465200][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.465202][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.465204][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.465206][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.465208][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.465209][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465211][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.465212][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.465214][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.465216][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.465218][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.465220][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.465222][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465223][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.465225][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   25.465229][    C0]  _printk (kernel/printk/printk.c:2504)
[   25.465232][    C0]  ? snapshot_read.cold (user.c:?)
[   25.465234][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   25.465238][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.465240][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   25.465242][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   25.465244][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   25.465247][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   25.465249][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   25.465251][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   25.465253][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.465255][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.465267][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465269][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.465270][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.465277][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   25.465278][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.465284][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.465290][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.465296][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   25.465300][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   25.465301][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   25.465305][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.465307][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.465308][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465311][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   25.465312][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.465319][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   25.465321][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.465324][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.465326][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   25.465328][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   25.465329][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.465332][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465333][    C0]  handle_softirqs (kernel/softirq.c:645)
[   25.465335][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.465337][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   25.465339][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   25.465340][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   25.465342][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   25.465345][    C0]  </IRQ>
[   25.465345][    C0]  <TASK>
[   25.465346][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   25.465347][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   25.465350][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   25.465352][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   25.465354][    C0] RSP: 0018:ffffffffb0807cf8 EFLAGS: 00000296
[   25.465357][    C0] RAX: 000000000009bfef RBX: ffffffffb081c600 RCX: ffffffffad8f0307
[   25.465359][    C0] RDX: ffffffffb081c600 RSI: ffffffffb0638b01 RDI: ffffffffb008d8e0
[   25.465360][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   25.465361][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6100fa2
[   25.465361][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   25.465363][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   25.465366][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.465368][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   25.465369][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   25.465371][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   25.465372][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   25.465374][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   25.465376][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.465378][    C0]  do_idle (kernel/sched/idle.c:355)
[   25.465380][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   25.465381][    C0]  rest_init (init/main.c:727)
[   25.465383][    C0]  ? __cpuidle_text_end (??:?)
[   25.465386][    C0]  ? rest_init (init/main.c:727)
[   25.465387][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   25.465391][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   25.465394][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   25.465396][    C0]  start_kernel (init/main.c:1185)
[   25.465398][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   25.465406][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   25.465408][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   25.532232][    C0]
| [   25.532354][    C0]
| [   25.532354][    C0] stack backtrace:
| [   25.532545][    C0] Tainted: [W]=WARN
[   25.532545][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.532547][    C0] Call Trace:
[   25.532548][    C0]  <IRQ>
[   25.532548][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.532553][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   25.532555][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   25.532558][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   25.532560][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   25.532561][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   25.532564][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.532565][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.532572][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.532575][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.532576][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.532582][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   25.532584][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.532590][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   25.532596][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.532602][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   25.532604][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   25.532606][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   25.532609][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.532610][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.532612][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.532614][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   25.532616][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   25.532622][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   25.532624][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.532627][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.532629][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   25.532631][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   25.532633][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.532635][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.532636][    C0]  handle_softirqs (kernel/softirq.c:645)
[   25.532638][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.532639][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   25.532642][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   25.532643][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   25.532644][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   25.532646][    C0]  </IRQ>
[   25.532647][    C0]  <TASK>
[   25.532647][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   25.532649][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   25.532651][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   25.532653][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   25.532654][    C0] RSP: 0018:ffffffffb0807cf8 EFLAGS: 00000296
[   25.532656][    C0] RAX: 000000000009bfef RBX: ffffffffb081c600 RCX: ffffffffad8f0307
[   25.532658][    C0] RDX: ffffffffb081c600 RSI: ffffffffb0638b01 RDI: ffffffffb008d8e0
[   25.532658][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   25.532659][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6100fa2
[   25.532660][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   25.532662][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   25.532664][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.532665][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   25.532667][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   25.532669][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   25.532670][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   25.532672][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   25.532674][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.532676][    C0]  do_idle (kernel/sched/idle.c:355)
[   25.532677][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   25.532679][    C0]  rest_init (init/main.c:727)
[   25.532681][    C0]  ? __cpuidle_text_end (??:?)
[   25.532683][    C0]  ? rest_init (init/main.c:727)
[   25.532685][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   25.532688][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   25.532691][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   25.532693][    C0]  start_kernel (init/main.c:1185)
[   25.532695][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   25.532697][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   25.532698][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   42.457544][  T316] softirqs last disabled at (0): 0x0
| [   42.457545][  T316] Preemption disabled at:
| [   42.457546][  T316] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.457557][  T316] Tainted: [W]=WARN
[   42.457558][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.457560][  T316] Call Trace:
[   42.457561][  T316]  <TASK>
[   42.457563][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.457569][  T316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.457571][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.457575][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.457578][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457582][  T316]  __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))
[   42.457585][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.457588][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.457592][  T316]  ? 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)
[   42.457593][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.457595][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   42.457597][  T316]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   42.457599][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.457600][  T316]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   42.457603][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.457606][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.457607][  T316]  ? 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)
[   42.457609][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.457610][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457612][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457613][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457615][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.457618][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.457620][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457621][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457623][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457624][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457626][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   42.457628][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.457630][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.457633][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.457634][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457636][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.457637][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457639][  T316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.457640][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.457642][  T316]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   42.457644][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.457645][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.457647][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.457650][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.457651][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457653][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457655][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457657][  T316]  _printk (kernel/printk/printk.c:2504)
[   42.457660][  T316]  ? snapshot_read.cold (user.c:?)
[   42.457662][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457663][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457665][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457666][  T316]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.457669][  T316]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.457671][  T316]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.457673][  T316]  ? netdev_notice (net/core/dev.c:13194)
[   42.457674][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457677][  T316]  ? 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)
[   42.457678][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.457680][  T316]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.457682][  T316]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.457685][  T316]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   42.457688][  T316]  __dev_change_flags (net/core/dev.c:9821)
[   42.457692][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   42.457694][  T316]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.457696][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   42.457697][  T316]  ? write_profile (profile.c:?)
[   42.457700][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.457703][  T316]  netif_change_flags (net/core/dev.c:9877)
[   42.457705][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   42.457709][  T316]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.457710][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.457711][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457713][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.457716][  T316]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.457719][  T316]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.457721][  T316]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.457722][  T316]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.457724][  T316]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   42.457725][  T316]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   42.457726][  T316]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.457727][  T316]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.457730][  T316]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.457731][  T316]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.457733][  T316]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.457735][  T316]  ? ___sys_sendmsg (net/socket.c:2767)
[   42.457736][  T316]  ? __sys_sendmsg (net/socket.c:2799)
[   42.457738][  T316]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.457741][  T316]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.457743][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457744][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457746][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457747][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457749][  T316]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.457751][  T316]  ? __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)
[   42.457753][  T316]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.457754][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.457756][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.457758][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.457760][  T316]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.457762][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457763][  T316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.457765][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457766][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457768][  T316]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   42.457771][  T316]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   42.457773][  T316]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   42.457774][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   42.457775][  T316]  ? write_profile (profile.c:?)
[   42.457777][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   42.457778][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457779][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457781][  T316]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   42.457784][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457786][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457788][  T316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.457789][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.457790][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.457792][  T316]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.457793][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.457795][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.457797][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.457798][  T316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.457799][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.457801][  T316]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   42.457803][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457805][  T316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.457807][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.457809][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.457810][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457812][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457813][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.457815][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.457817][  T316]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.457819][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457820][  T316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.457822][  T316]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.457824][  T316]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.457825][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.457827][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   42.457828][  T316]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.457830][  T316]  ___sys_sendmsg (net/socket.c:2767)
[   42.457832][  T316]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.457837][  T316]  __sys_sendmsg (net/socket.c:2799)
[   42.457838][  T316]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.457841][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.457843][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.457844][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.457846][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.457848][  T316] RIP: 0033:0x7f9e17db654e
[   42.457850][  T316] 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
[   42.457851][  T316] RSP: 002b:00007fff942db920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.457855][  T316] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9e17db654e
[   42.457857][  T316] RDX: 0000000000000000 RSI: 00007fff942db9d0 RDI: 0000000000000005
[   42.457858][  T316] RBP: 00007fff942db930 R08: 0000000000000000 R09: 0000000000000000
[   42.457858][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91600b
[   42.457859][  T316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff942dc090
| [   43.708387][  T337] softirqs last disabled at (0): 0x0
| [   43.708389][  T337] Preemption disabled at:
| [   43.708390][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.708401][  T337] Tainted: [W]=WARN
[   43.708402][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.708404][  T337] Call Trace:
[   43.708405][  T337]  <TASK>
[   43.708407][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.708412][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.708414][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.708417][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.708421][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708425][  T337]  __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))
[   43.708428][  T337]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.708431][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.708435][  T337]  ? 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)
[   43.708437][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.708438][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   43.708440][  T337]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   43.708442][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.708444][  T337]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.708446][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.708449][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.708450][  T337]  ? 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)
[   43.708452][  T337]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.708454][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708455][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708457][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708459][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.708467][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.708469][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708471][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708472][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708474][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708476][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.708478][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.708480][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.708482][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.708484][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708486][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.708487][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708489][  T337]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.708490][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.708491][  T337]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.708493][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.708495][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.708497][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.708500][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.708502][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708503][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708505][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708507][  T337]  _printk (kernel/printk/printk.c:2504)
[   43.708510][  T337]  ? snapshot_read.cold (user.c:?)
[   43.708512][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708513][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708515][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708516][  T337]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.708519][  T337]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.708521][  T337]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.708523][  T337]  ? netdev_notice (net/core/dev.c:13194)
[   43.708524][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708526][  T337]  ? 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)
[   43.708528][  T337]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.708530][  T337]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.708531][  T337]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.708534][  T337]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.708537][  T337]  __dev_change_flags (net/core/dev.c:9821)
[   43.708542][  T337]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   43.708543][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.708546][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   43.708547][  T337]  ? write_profile (profile.c:?)
[   43.708549][  T337]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.708552][  T337]  netif_change_flags (net/core/dev.c:9877)
[   43.708555][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   43.708558][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.708560][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.708561][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708562][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.708566][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.708569][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.708570][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.708572][  T337]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.708573][  T337]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.708575][  T337]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.708576][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.708577][  T337]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.708579][  T337]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.708581][  T337]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.708582][  T337]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.708584][  T337]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.708586][  T337]  ? __sys_sendmsg (net/socket.c:2799)
[   43.708587][  T337]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.708590][  T337]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.708592][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708593][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708595][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708596][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708598][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.708600][  T337]  ? __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)
[   43.708602][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.708603][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.708605][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.708607][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.708609][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.708611][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708613][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.708614][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708615][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708617][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.708621][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.708622][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.708624][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   43.708625][  T337]  ? write_profile (profile.c:?)
[   43.708626][  T337]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.708627][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708629][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708631][  T337]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.708634][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708636][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708638][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.708639][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.708641][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.708642][  T337]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.708643][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.708646][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.708647][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.708648][  T337]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.708650][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.708651][  T337]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.708654][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708655][  T337]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.708657][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.708659][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.708661][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708662][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708664][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.708666][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.708667][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.708669][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708671][  T337]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.708673][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.708674][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.708676][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.708677][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   43.708679][  T337]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.708681][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   43.708683][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.708688][  T337]  __sys_sendmsg (net/socket.c:2799)
[   43.708689][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.708692][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.708694][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.708695][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.708698][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.708699][  T337] RIP: 0033:0x7f50520da54e
[   43.708701][  T337] 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
[   43.708703][  T337] RSP: 002b:00007ffd96c7eac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.708707][  T337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f50520da54e
[   43.708708][  T337] RDX: 0000000000000000 RSI: 00007ffd96c7eb70 RDI: 0000000000000005
[   43.708709][  T337] RBP: 00007ffd96c7ead0 R08: 0000000000000000 R09: 0000000000000000
[   43.708710][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91600d
[   43.708711][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd96c7f230
| [   44.938311][  T348] softirqs last disabled at (0): 0x0
| [   44.938313][  T348] Preemption disabled at:
| [   44.938313][  T348] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.938324][  T348] Tainted: [W]=WARN
[   44.938325][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.938327][  T348] Call Trace:
[   44.938328][  T348]  <TASK>
[   44.938329][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.938335][  T348]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.938336][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.938340][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.938343][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938347][  T348]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.938351][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.938353][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.938357][  T348]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.938358][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.938360][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   44.938362][  T348]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   44.938364][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.938366][  T348]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   44.938368][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.938371][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.938372][  T348]  ? 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)
[   44.938374][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.938375][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938377][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938379][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938381][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.938383][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.938385][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938387][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938388][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938390][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938392][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.938393][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.938396][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.938398][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.938400][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938401][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.938403][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938405][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.938406][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.938407][  T348]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   44.938409][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.938411][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.938413][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.938415][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.938417][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938419][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938421][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938423][  T348]  _printk (kernel/printk/printk.c:2504)
[   44.938426][  T348]  ? snapshot_read.cold (user.c:?)
[   44.938427][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938429][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938430][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938432][  T348]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.938435][  T348]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.938437][  T348]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.938438][  T348]  ? netdev_notice (net/core/dev.c:13194)
[   44.938440][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938442][  T348]  ? 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)
[   44.938444][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.938445][  T348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.938447][  T348]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.938450][  T348]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   44.938453][  T348]  __dev_change_flags (net/core/dev.c:9821)
[   44.938458][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   44.938459][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.938462][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   44.938463][  T348]  ? write_profile (profile.c:?)
[   44.938471][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.938474][  T348]  netif_change_flags (net/core/dev.c:9877)
[   44.938476][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   44.938480][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.938482][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.938483][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938485][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.938488][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.938491][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.938492][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.938494][  T348]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.938495][  T348]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   44.938497][  T348]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   44.938498][  T348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.938499][  T348]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.938502][  T348]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.938503][  T348]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.938504][  T348]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.938507][  T348]  ? ___sys_sendmsg (net/socket.c:2767)
[   44.938508][  T348]  ? __sys_sendmsg (net/socket.c:2799)
[   44.938510][  T348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.938513][  T348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.938515][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938516][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938518][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938519][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938521][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.938523][  T348]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.938525][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.938526][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.938528][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.938530][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.938532][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.938534][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938536][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.938537][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938538][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938540][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   44.938544][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.938546][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.938547][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   44.938548][  T348]  ? write_profile (profile.c:?)
[   44.938549][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.938551][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938552][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938554][  T348]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   44.938557][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938559][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938561][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.938562][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.938564][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.938565][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.938566][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.938569][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.938570][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.938572][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.938573][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.938574][  T348]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   44.938577][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938578][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.938580][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.938582][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.938584][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938585][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938587][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.938589][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.938591][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.938592][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938594][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.938596][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.938597][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.938599][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.938601][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   44.938602][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.938604][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   44.938606][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.938611][  T348]  __sys_sendmsg (net/socket.c:2799)
[   44.938613][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.938615][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.938617][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.938619][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.938621][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.938622][  T348] RIP: 0033:0x7fbe6769c54e
[   44.938624][  T348] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.938626][  T348] RSP: 002b:00007ffd2098da60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.938630][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbe6769c54e
[   44.938631][  T348] RDX: 0000000000000000 RSI: 00007ffd2098db10 RDI: 0000000000000005
[   44.938632][  T348] RBP: 00007ffd2098da70 R08: 0000000000000000 R09: 0000000000000000
[   44.938633][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91600e
[   44.938634][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2098e1d0
| [   46.202463][  T360] softirqs last disabled at (0): 0x0
| [   46.202465][  T360] Preemption disabled at:
| [   46.202465][  T360] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.202484][  T360] Tainted: [W]=WARN
[   46.202485][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.202487][  T360] Call Trace:
[   46.202488][  T360]  <TASK>
[   46.202489][  T360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.202495][  T360]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.202497][  T360]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.202500][  T360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.202504][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202507][  T360]  __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))
[   46.202511][  T360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.202513][  T360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.202517][  T360]  ? 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)
[   46.202519][  T360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.202521][  T360]  put_chars (drivers/char/virtio_console.c:1176)
[   46.202523][  T360]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   46.202524][  T360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.202526][  T360]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   46.202528][  T360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.202532][  T360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.202533][  T360]  ? 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)
[   46.202534][  T360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.202536][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202537][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202539][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202541][  T360]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.202544][  T360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.202546][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202547][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202549][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202550][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202552][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.202554][  T360]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.202556][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.202559][  T360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.202560][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202562][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.202564][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202565][  T360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.202566][  T360]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.202568][  T360]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.202570][  T360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.202571][  T360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.202573][  T360]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.202575][  T360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.202577][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202579][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202580][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202582][  T360]  _printk (kernel/printk/printk.c:2504)
[   46.202585][  T360]  ? snapshot_read.cold (user.c:?)
[   46.202587][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202589][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202590][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202592][  T360]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.202595][  T360]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.202596][  T360]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.202598][  T360]  ? netdev_notice (net/core/dev.c:13194)
[   46.202599][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202601][  T360]  ? 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)
[   46.202603][  T360]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.202605][  T360]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.202606][  T360]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.202610][  T360]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   46.202613][  T360]  __dev_change_flags (net/core/dev.c:9821)
[   46.202617][  T360]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.202619][  T360]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.202621][  T360]  ? __kernel_text_address (kernel/extable.c:79)
[   46.202622][  T360]  ? write_profile (profile.c:?)
[   46.202624][  T360]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.202627][  T360]  netif_change_flags (net/core/dev.c:9877)
[   46.202629][  T360]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.202633][  T360]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.202634][  T360]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.202635][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202637][  T360]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.202641][  T360]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.202643][  T360]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.202645][  T360]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.202646][  T360]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.202648][  T360]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.202650][  T360]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   46.202651][  T360]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.202652][  T360]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.202655][  T360]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.202656][  T360]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.202657][  T360]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.202660][  T360]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.202661][  T360]  ? __sys_sendmsg (net/socket.c:2799)
[   46.202663][  T360]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.202666][  T360]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.202667][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202669][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202670][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202672][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202674][  T360]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.202676][  T360]  ? __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)
[   46.202678][  T360]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.202679][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.202681][  T360]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.202683][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.202685][  T360]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.202687][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202688][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.202689][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202691][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202693][  T360]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   46.202696][  T360]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.202698][  T360]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.202699][  T360]  ? __kernel_text_address (kernel/extable.c:79)
[   46.202700][  T360]  ? write_profile (profile.c:?)
[   46.202701][  T360]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.202703][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202704][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202706][  T360]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.202709][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202711][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202712][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.202714][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.202715][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.202716][  T360]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.202718][  T360]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.202720][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.202722][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.202723][  T360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.202724][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.202726][  T360]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.202728][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202730][  T360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.202732][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.202734][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.202735][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202737][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202738][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.202740][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.202742][  T360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.202744][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202746][  T360]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.202747][  T360]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.202749][  T360]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.202751][  T360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.202752][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   46.202753][  T360]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.202756][  T360]  ___sys_sendmsg (net/socket.c:2767)
[   46.202757][  T360]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.202762][  T360]  __sys_sendmsg (net/socket.c:2799)
[   46.202764][  T360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.202767][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.202769][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.202770][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.202772][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.202774][  T360] RIP: 0033:0x7f80b112054e
[   46.202776][  T360] 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
[   46.202778][  T360] RSP: 002b:00007ffcfcc5f660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.202781][  T360] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f80b112054e
[   46.202783][  T360] RDX: 0000000000000000 RSI: 00007ffcfcc5f710 RDI: 0000000000000005
[   46.202784][  T360] RBP: 00007ffcfcc5f670 R08: 0000000000000000 R09: 0000000000000000
[   46.202784][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91600f
[   46.202785][  T360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfcc5fdd0
| [   47.442226][  T371] softirqs last disabled at (0): 0x0
| [   47.442228][  T371] Preemption disabled at:
| [   47.442228][  T371] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.442239][  T371] Tainted: [W]=WARN
[   47.442240][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.442242][  T371] Call Trace:
[   47.442243][  T371]  <TASK>
[   47.442245][  T371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.442250][  T371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.442252][  T371]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.442256][  T371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.442259][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442263][  T371]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.442267][  T371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.442269][  T371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.442273][  T371]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.442274][  T371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.442276][  T371]  put_chars (drivers/char/virtio_console.c:1176)
[   47.442278][  T371]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   47.442280][  T371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.442282][  T371]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   47.442284][  T371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.442287][  T371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.442288][  T371]  ? 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)
[   47.442290][  T371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.442292][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442293][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442295][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442297][  T371]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.442299][  T371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.442301][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442303][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442304][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442306][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442308][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.442310][  T371]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.442312][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.442314][  T371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.442316][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442318][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.442319][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442321][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.442322][  T371]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.442323][  T371]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   47.442326][  T371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.442327][  T371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.442329][  T371]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.442331][  T371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.442333][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442335][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442336][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442338][  T371]  _printk (kernel/printk/printk.c:2504)
[   47.442341][  T371]  ? snapshot_read.cold (user.c:?)
[   47.442343][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442345][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442346][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442348][  T371]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.442351][  T371]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.442353][  T371]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.442354][  T371]  ? netdev_notice (net/core/dev.c:13194)
[   47.442356][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442358][  T371]  ? 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)
[   47.442359][  T371]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.442361][  T371]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.442363][  T371]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.442366][  T371]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   47.442369][  T371]  __dev_change_flags (net/core/dev.c:9821)
[   47.442373][  T371]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   47.442375][  T371]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.442378][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   47.442379][  T371]  ? write_profile (profile.c:?)
[   47.442381][  T371]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.442384][  T371]  netif_change_flags (net/core/dev.c:9877)
[   47.442386][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   47.442390][  T371]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.442391][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.442393][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442394][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.442398][  T371]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.442401][  T371]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.442402][  T371]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.442404][  T371]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.442405][  T371]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   47.442407][  T371]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   47.442408][  T371]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.442409][  T371]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.442412][  T371]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.442413][  T371]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.442414][  T371]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.442417][  T371]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.442418][  T371]  ? __sys_sendmsg (net/socket.c:2799)
[   47.442420][  T371]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.442422][  T371]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.442424][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442426][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442427][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442429][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442431][  T371]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.442433][  T371]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.442435][  T371]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.442436][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.442438][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.442440][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.442442][  T371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.442444][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442445][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.442447][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442448][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442450][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.442453][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.442455][  T371]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.442456][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   47.442457][  T371]  ? write_profile (profile.c:?)
[   47.442459][  T371]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.442460][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442461][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442463][  T371]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.442466][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442468][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442470][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.442471][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.442478][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.442479][  T371]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.442481][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.442483][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.442485][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.442486][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.442487][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.442489][  T371]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.442491][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442493][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.442495][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.442496][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.442498][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442500][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442501][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.442503][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.442505][  T371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.442507][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442508][  T371]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.442510][  T371]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.442512][  T371]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.442514][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.442515][  T371]  ? move_addr_to_kernel (net/socket.c:258)
[   47.442516][  T371]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.442519][  T371]  ___sys_sendmsg (net/socket.c:2767)
[   47.442521][  T371]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.442525][  T371]  __sys_sendmsg (net/socket.c:2799)
[   47.442527][  T371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.442530][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.442532][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.442533][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.442535][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.442537][  T371] RIP: 0033:0x7f321b1ce54e
[   47.442539][  T371] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.442541][  T371] RSP: 002b:00007fff2c4165e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.442545][  T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f321b1ce54e
[   47.442546][  T371] RDX: 0000000000000000 RSI: 00007fff2c416690 RDI: 0000000000000005
[   47.442547][  T371] RBP: 00007fff2c4165f0 R08: 0000000000000000 R09: 0000000000000000
[   47.442548][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916010
[   47.442549][  T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2c416d50
| [   51.570688][  T409] softirqs last disabled at (0): 0x0
| [   51.570690][  T409] Preemption disabled at:
| [   51.570691][  T409] 0x0
| [   51.570699][  T409] Tainted: [W]=WARN
[   51.570700][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.570702][  T409] Call Trace:
[   51.570703][  T409]  <TASK>
[   51.570704][  T409]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.570710][  T409]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.570714][  T409]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.570718][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570722][  T409]  __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))
[   51.570725][  T409]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.570728][  T409]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.570733][  T409]  ? 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)
[   51.570734][  T409]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.570736][  T409]  put_chars (drivers/char/virtio_console.c:1176)
[   51.570738][  T409]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.570740][  T409]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   51.570743][  T409]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.570747][  T409]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.570749][  T409]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.570750][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570752][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570754][  T409]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.570756][  T409]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.570758][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570760][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570762][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570763][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570765][  T409]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   51.570767][  T409]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.570769][  T409]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.570772][  T409]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.570773][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570775][  T409]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.570776][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570778][  T409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.570780][  T409]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   51.570781][  T409]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   51.570783][  T409]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.570785][  T409]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.570787][  T409]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.570789][  T409]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.570791][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570792][  T409]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.570795][  T409]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   51.570796][  T409]  _printk (kernel/printk/printk.c:2504)
[   51.570799][  T409]  ? snapshot_read.cold (user.c:?)
[   51.570802][  T409]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   51.570806][  T409] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   51.570819][  T409] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   51.570827][  T409] br_device_event (net/bridge/br.c:111) bridge
[   51.570835][  T409]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   51.570839][  T409]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   51.570841][  T409]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   51.570844][  T409]  notifier_call_chain (kernel/notifier.c:85)
[   51.570847][  T409]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   51.570851][  T409]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.570852][  T409]  ? netif_change_name (net/core/dev.c:1517)
[   51.570854][  T409]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   51.570856][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   51.570859][  T409]  ? write_profile (profile.c:?)
[   51.570861][  T409]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.570864][  T409]  netif_change_flags (net/core/dev.c:9882)
[   51.570866][  T409]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   51.570869][  T409]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.570870][  T409]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.570871][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570873][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.570877][  T409]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.570880][  T409]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.570881][  T409]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.570882][  T409]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.570884][  T409]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   51.570885][  T409]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   51.570887][  T409]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.570888][  T409]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.570891][  T409]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.570892][  T409]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.570893][  T409]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.570896][  T409]  ? ___sys_sendmsg (net/socket.c:2767)
[   51.570897][  T409]  ? __sys_sendmsg (net/socket.c:2799)
[   51.570899][  T409]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.570901][  T409]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.570903][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570905][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570906][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570908][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570909][  T409]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.570912][  T409]  ? __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)
[   51.570914][  T409]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.570915][  T409]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.570917][  T409]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.570919][  T409]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.570921][  T409]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.570923][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570924][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.570925][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570927][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570929][  T409]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   51.570932][  T409]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   51.570934][  T409]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   51.570935][  T409]  ? __kernel_text_address (kernel/extable.c:79)
[   51.570936][  T409]  ? write_profile (profile.c:?)
[   51.570937][  T409]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.570938][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570940][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570942][  T409]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   51.570945][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570947][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570948][  T409]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.570950][  T409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.570951][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.570953][  T409]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.570954][  T409]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.570956][  T409]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.570958][  T409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.570959][  T409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.570960][  T409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.570962][  T409]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   51.570964][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570966][  T409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.570968][  T409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.570970][  T409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.570971][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570973][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570974][  T409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.570976][  T409]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.570978][  T409]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.570980][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.570982][  T409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.570983][  T409]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   51.570985][  T409]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.570987][  T409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   51.570988][  T409]  ? move_addr_to_kernel (net/socket.c:258)
[   51.570989][  T409]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.570992][  T409]  ___sys_sendmsg (net/socket.c:2767)
[   51.570994][  T409]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.570998][  T409]  __sys_sendmsg (net/socket.c:2799)
[   51.571000][  T409]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.571003][  T409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.571005][  T409]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.571006][  T409]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.571008][  T409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.571010][  T409] RIP: 0033:0x7f198c6d154e
[   51.571011][  T409] 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
[   51.571013][  T409] RSP: 002b:00007ffff43116f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.571017][  T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f198c6d154e
[   51.571018][  T409] RDX: 0000000000000000 RSI: 00007ffff43117a0 RDI: 0000000000000005
[   51.571019][  T409] RBP: 00007ffff4311700 R08: 0000000000000000 R09: 0000000000000000
[   51.571020][  T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916015


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars