====================================== | [ 9.246533][ T188] softirqs last disabled at (38309): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.246536][ T188] Preemption disabled at: | [ 9.246536][ T188] 0x0 | [ 9.246547][ T188] Tainted: [W]=WARN [ 9.246548][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.246549][ T188] Call Trace: [ 9.246551][ T188] [ 9.246552][ T188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.246559][ T188] __might_resched.cold (kernel/sched/core.c:9234) [ 9.246563][ T188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.246568][ T188] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.246573][ T188] __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)) [ 9.246575][ T188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.246581][ T188] ? 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) [ 9.246584][ T188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.246587][ T188] put_chars (drivers/char/virtio_console.c:1176) [ 9.246590][ T188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.246591][ T188] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.246596][ T188] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.246601][ T188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.246608][ T188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.246610][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.246612][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.246616][ T188] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.246620][ T188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.246622][ T188] ? 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)) [ 9.246625][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.246627][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.246631][ T188] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.246635][ T188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.246637][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.246642][ T188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.246645][ T188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.246647][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.246649][ T188] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.246653][ T188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.246655][ T188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.246658][ T188] vprintk_emit (kernel/printk/printk.c:2479) [ 9.246662][ T188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.246665][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.246673][ T188] _printk (kernel/printk/printk.c:2504) [ 9.246676][ T188] ? snapshot_read.cold (user.c:?) [ 9.246679][ T188] ? 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) [ 9.246682][ T188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.246686][ T188] ? 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) [ 9.246688][ T188] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.246692][ T188] ? exit_notify (kernel/exit.c:780) [ 9.246694][ T188] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.246697][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.246701][ T188] do_group_exit (kernel/exit.c:1151) [ 9.246704][ T188] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.246705][ T188] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.246708][ T188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.246711][ T188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.246714][ T188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.246716][ T188] RIP: 0033:0x7f5f2606f1b8 [ 9.246719][ T188] Code: Unable to access opcode bytes at 0x7f5f2606f18e. Code starting with the faulting instruction =========================================== [ 9.246720][ T188] RSP: 002b:00007fff8be496d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.246722][ T188] RAX: ffffffffffffffda RBX: 00007f5f2619ff88 RCX: 00007f5f2606f1b8 [ 9.246724][ T188] RDX: 00007f5f25db9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.246724][ T188] RBP: 00007fff8be49730 R08: 0000000000000000 R09: 0000000000008010 [ 9.246725][ T188] R10: 00007fff8be494f0 R11: 0000000000000246 R12: 0000000000000001 [ 9.246726][ T188] R13: 0000000000000000 R14: 00007f5f2619e680 R15: 00007f5f2619ffa0 | [ 15.545830][ T266] softirqs last disabled at (16166): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 15.545838][ T266] Preemption disabled at: | [ 15.545838][ T266] 0x0 | [ 15.545848][ T266] Tainted: [W]=WARN [ 15.545849][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.545851][ T266] Call Trace: [ 15.545852][ T266] [ 15.545854][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.545860][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 15.545865][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.545869][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.545874][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.545877][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.545882][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.545885][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.545888][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 15.545891][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.545892][ T266] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.545896][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.545900][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.545902][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.545904][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.545906][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.545910][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.545911][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.545915][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.545921][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.545925][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.545927][ T266] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.545930][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.545934][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.545938][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.545942][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.545944][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.545949][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.545952][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.545953][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.545956][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.545959][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.545961][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.545964][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 15.545968][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.545970][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.545972][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.545975][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.545979][ T266] _printk (kernel/printk/printk.c:2504) [ 15.545983][ T266] ? snapshot_read.cold (user.c:?) [ 15.545991][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.546003][ T266] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 15.546012][ T266] br_device_event (net/bridge/br.c:111) bridge [ 15.546020][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.546024][ T266] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.546029][ T266] notifier_call_chain (kernel/notifier.c:85) [ 15.546035][ T266] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 15.546040][ T266] ? netif_change_name (net/core/dev.c:1517) [ 15.546044][ T266] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.546047][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 15.546049][ T266] ? write_profile (profile.c:?) [ 15.546051][ T266] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.546056][ T266] netif_change_flags (net/core/dev.c:9882) [ 15.546060][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.546063][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.546065][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.546067][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.546068][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.546072][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.546074][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.546076][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.546079][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.546081][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.546083][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 15.546086][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.546088][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.546091][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 15.546095][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.546097][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.546100][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.546102][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.546104][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.546106][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.546108][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.546112][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 15.546113][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.546116][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.546119][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.546124][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.546129][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.546134][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.546136][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.546140][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.546142][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.546144][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.546146][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.546150][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.546152][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.546155][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.546156][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.546160][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.546162][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.546165][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.546167][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.546170][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.546176][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 15.546177][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 15.546181][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.546185][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.546188][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.546192][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.546195][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.546199][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.546205][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.546207][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.546209][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.546211][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 15.546218][ T266] ___sys_sendmsg (net/socket.c:2767) [ 15.546221][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.546236][ T266] __sys_sendmsg (net/socket.c:2799) [ 15.546239][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.546245][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.546249][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.546251][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.546254][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.546257][ T266] RIP: 0033:0x7fc8f99f154e [ 15.546259][ T266] 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 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.546261][ T266] RSP: 002b:00007ffc0feaad80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.546263][ T266] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8f99f154e [ 15.546265][ T266] RDX: 0000000000000000 RSI: 00007ffc0feaae30 RDI: 0000000000000005 [ 15.546266][ T266] RBP: 00007ffc0feaad90 R08: 0000000000000000 R09: 0000000000000000 [ 15.546266][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ef7 Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print