====================================== | [ 10.074318][ T187] softirqs last disabled at (35019): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.074321][ T187] Preemption disabled at: | [ 10.074321][ T187] 0x0 | [ 10.074332][ T187] Tainted: [W]=WARN [ 10.074333][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.074334][ T187] Call Trace: [ 10.074336][ T187] [ 10.074338][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.074345][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.074350][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.074354][ 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) [ 10.074359][ 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)) [ 10.074362][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.074368][ 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) [ 10.074371][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.074374][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.074377][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.074378][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.074383][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.074388][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.074395][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.074397][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074399][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.074404][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.074407][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.074409][ 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)) [ 10.074413][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074415][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.074419][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.074423][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.074425][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074431][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.074433][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.074435][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074438][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.074441][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.074443][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.074447][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.074451][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.074454][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.074458][ T187] _printk (kernel/printk/printk.c:2504) [ 10.074462][ T187] ? snapshot_read.cold (user.c:?) [ 10.074464][ 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) [ 10.074467][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.074471][ 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) [ 10.074474][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.074478][ T187] ? exit_notify (kernel/exit.c:780) [ 10.074480][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.074483][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.074487][ T187] do_group_exit (kernel/exit.c:1151) [ 10.074490][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.074492][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.074494][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.074497][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.074500][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.074502][ T187] RIP: 0033:0x7fa88cba81b8 [ 10.074505][ T187] Code: Unable to access opcode bytes at 0x7fa88cba818e. Code starting with the faulting instruction =========================================== [ 10.074506][ T187] RSP: 002b:00007ffff161c098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.074509][ T187] RAX: ffffffffffffffda RBX: 00007fa88ccd8f88 RCX: 00007fa88cba81b8 [ 10.074510][ T187] RDX: 00007fa88c8f2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.074511][ T187] RBP: 00007ffff161c0f0 R08: 0000000000000000 R09: 0000000000008010 [ 10.074512][ T187] R10: 00007ffff161beb0 R11: 0000000000000246 R12: 0000000000000001 [ 10.074513][ T187] R13: 0000000000000000 R14: 00007fa88ccd7680 R15: 00007fa88ccd8fa0 | [ 16.547210][ T265] softirqs last disabled at (21736): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 16.547218][ T265] Preemption disabled at: | [ 16.547219][ T265] 0x0 | [ 16.547229][ T265] Tainted: [W]=WARN [ 16.547230][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.547231][ T265] Call Trace: [ 16.547233][ T265] [ 16.547234][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.547241][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 16.547245][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.547249][ T265] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.547254][ T265] __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)) [ 16.547257][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.547262][ T265] ? 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) [ 16.547265][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.547268][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 16.547271][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.547272][ T265] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 16.547276][ T265] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 16.547279][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.547282][ T265] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.547284][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547285][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547289][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.547290][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.547295][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.547298][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.547302][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.547304][ T265] ? 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)) [ 16.547307][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.547311][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.547315][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.547319][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.547321][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547325][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.547328][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.547330][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.547332][ T265] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.547336][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.547337][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.547341][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 16.547345][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.547347][ T265] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.547349][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.547352][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.547356][ T265] _printk (kernel/printk/printk.c:2504) [ 16.547359][ T265] ? snapshot_read.cold (user.c:?) [ 16.547367][ T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.547378][ T265] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 16.547387][ T265] br_device_event (net/bridge/br.c:111) bridge [ 16.547394][ T265] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.547398][ T265] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 16.547404][ T265] notifier_call_chain (kernel/notifier.c:85) [ 16.547410][ T265] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 16.547414][ T265] ? netif_change_name (net/core/dev.c:1517) [ 16.547418][ T265] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 16.547421][ T265] ? __kernel_text_address (kernel/extable.c:79) [ 16.547423][ T265] ? write_profile (profile.c:?) [ 16.547425][ T265] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 16.547430][ T265] netif_change_flags (net/core/dev.c:9882) [ 16.547434][ T265] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 16.547437][ T265] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.547439][ T265] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.547440][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.547442][ T265] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.547446][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.547448][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.547450][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.547452][ T265] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.547456][ T265] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.547457][ T265] ? kasan_save_track (mm/kasan/common.c:78) [ 16.547460][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547462][ T265] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.547464][ T265] ? ___sys_sendmsg (net/socket.c:2757) [ 16.547469][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.547471][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.547473][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.547476][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.547477][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.547479][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.547481][ T265] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.547485][ T265] ? __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) [ 16.547487][ T265] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.547489][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.547492][ T265] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.547497][ T265] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.547502][ T265] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.547507][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.547509][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547513][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.547515][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.547517][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.547519][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.547523][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.547525][ T265] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.547528][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.547529][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547533][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.547535][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.547539][ T265] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.547540][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.547543][ T265] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.547549][ T265] ? 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)) [ 16.547551][ T265] ? 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)) [ 16.547555][ T265] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.547558][ T265] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.547561][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.547565][ T265] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.547569][ T265] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.547572][ T265] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.547578][ T265] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.547580][ T265] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.547582][ T265] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.547584][ T265] ? move_addr_to_kernel (net/socket.c:258) [ 16.547591][ T265] ___sys_sendmsg (net/socket.c:2767) [ 16.547594][ T265] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.547609][ T265] __sys_sendmsg (net/socket.c:2799) [ 16.547612][ T265] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.547618][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.547622][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.547624][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.547627][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.547630][ T265] RIP: 0033:0x7f49b6c0a54e [ 16.547632][ T265] 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 [ 16.547634][ T265] RSP: 002b:00007ffe5cc09a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.547636][ T265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49b6c0a54e [ 16.547638][ T265] RDX: 0000000000000000 RSI: 00007ffe5cc09b10 RDI: 0000000000000005 [ 16.547638][ T265] RBP: 00007ffe5cc09a70 R08: 0000000000000000 R09: 0000000000000000 [ 16.547639][ T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915a7d 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