====================================== | [ 9.489618][ T187] softirqs last disabled at (29010): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.489620][ T187] Preemption disabled at: | [ 9.489621][ T187] 0x0 | [ 9.489631][ T187] Tainted: [W]=WARN [ 9.489632][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.489634][ T187] Call Trace: [ 9.489635][ T187] [ 9.489637][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.489643][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.489648][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.489652][ 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) [ 9.489657][ 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)) [ 9.489659][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.489665][ 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) [ 9.489667][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.489670][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.489673][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.489675][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.489680][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.489685][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.489691][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.489693][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.489696][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.489699][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.489703][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.489705][ 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)) [ 9.489708][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.489711][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.489715][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.489719][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.489721][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.489726][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.489729][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.489730][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.489733][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.489736][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.489738][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.489742][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.489745][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.489749][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.489752][ T187] _printk (kernel/printk/printk.c:2504) [ 9.489756][ T187] ? snapshot_read.cold (user.c:?) [ 9.489759][ 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) [ 9.489762][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.489765][ 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) [ 9.489768][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.489772][ T187] ? exit_notify (kernel/exit.c:780) [ 9.489774][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.489777][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.489781][ T187] do_group_exit (kernel/exit.c:1151) [ 9.489784][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.489786][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.489788][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.489791][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.489794][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.489796][ T187] RIP: 0033:0x7f3f2f18a1b8 [ 9.489798][ T187] Code: Unable to access opcode bytes at 0x7f3f2f18a18e. Code starting with the faulting instruction =========================================== [ 9.489799][ T187] RSP: 002b:00007ffc2fd668b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.489802][ T187] RAX: ffffffffffffffda RBX: 00007f3f2f2baf88 RCX: 00007f3f2f18a1b8 [ 9.489803][ T187] RDX: 00007f3f2eed4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.489804][ T187] RBP: 00007ffc2fd66910 R08: 0000000000000000 R09: 0000000000008010 [ 9.489805][ T187] R10: 00007ffc2fd666d0 R11: 0000000000000246 R12: 0000000000000001 [ 9.489805][ T187] R13: 0000000000000000 R14: 00007f3f2f2b9680 R15: 00007f3f2f2bafa0 | [ 15.986885][ T265] softirqs last disabled at (17602): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 15.986894][ T265] Preemption disabled at: | [ 15.986894][ T265] 0x0 | [ 15.986904][ T265] Tainted: [W]=WARN [ 15.986905][ T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.986907][ T265] Call Trace: [ 15.986909][ T265] [ 15.986910][ T265] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.986917][ T265] __might_resched.cold (kernel/sched/core.c:9234) [ 15.986921][ T265] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.986926][ 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) [ 15.986931][ 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)) [ 15.986933][ T265] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.986939][ 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) [ 15.986942][ T265] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.986946][ T265] put_chars (drivers/char/virtio_console.c:1176) [ 15.986948][ T265] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.986950][ T265] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.986954][ T265] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.986958][ T265] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.986960][ T265] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.986962][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.986964][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.986968][ T265] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.986969][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.986974][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.986978][ T265] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.986982][ T265] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.986984][ 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)) [ 15.986988][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.986992][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.986996][ T265] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.987000][ T265] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.987002][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.987007][ T265] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.987010][ T265] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.987012][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.987015][ T265] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.987018][ T265] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.987020][ T265] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.987024][ T265] vprintk_emit (kernel/printk/printk.c:2479) [ 15.987028][ T265] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.987030][ T265] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.987032][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.987035][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.987039][ T265] _printk (kernel/printk/printk.c:2504) [ 15.987043][ T265] ? snapshot_read.cold (user.c:?) [ 15.987051][ T265] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.987062][ T265] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 15.987072][ T265] br_device_event (net/bridge/br.c:111) bridge [ 15.987080][ T265] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.987085][ T265] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.987091][ T265] notifier_call_chain (kernel/notifier.c:85) [ 15.987096][ T265] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 15.987101][ T265] ? netif_change_name (net/core/dev.c:1517) [ 15.987105][ T265] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.987108][ T265] ? __kernel_text_address (kernel/extable.c:79) [ 15.987111][ T265] ? write_profile (profile.c:?) [ 15.987113][ T265] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.987118][ T265] netif_change_flags (net/core/dev.c:9882) [ 15.987122][ T265] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.987126][ T265] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.987128][ T265] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.987129][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.987131][ T265] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.987135][ T265] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.987137][ T265] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.987139][ T265] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.987142][ T265] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.987145][ T265] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.987147][ T265] ? kasan_save_track (mm/kasan/common.c:78) [ 15.987150][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.987152][ T265] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.987155][ T265] ? ___sys_sendmsg (net/socket.c:2757) [ 15.987160][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.987162][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.987165][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.987167][ T265] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.987169][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.987170][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.987173][ T265] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.987177][ 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) [ 15.987179][ T265] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.987181][ T265] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.987184][ T265] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.987190][ T265] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.987195][ T265] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.987200][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.987202][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.987207][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.987209][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.987211][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.987213][ T265] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.987217][ T265] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.987219][ T265] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.987222][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.987224][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.987228][ T265] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.987230][ T265] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.987234][ T265] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.987236][ T265] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.987239][ T265] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.987245][ 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)) [ 15.987247][ 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)) [ 15.987251][ T265] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.987255][ T265] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.987258][ T265] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.987262][ T265] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.987266][ T265] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.987270][ T265] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.987276][ T265] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.987278][ T265] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.987281][ T265] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.987282][ T265] ? move_addr_to_kernel (net/socket.c:258) [ 15.987290][ T265] ___sys_sendmsg (net/socket.c:2767) [ 15.987293][ T265] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.987309][ T265] __sys_sendmsg (net/socket.c:2799) [ 15.987312][ T265] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.987325][ T265] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.987329][ T265] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.987331][ T265] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.987334][ T265] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.987337][ T265] RIP: 0033:0x7f68f9f7754e [ 15.987339][ 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 [ 15.987341][ T265] RSP: 002b:00007fff693b4330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.987344][ T265] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f68f9f7754e [ 15.987345][ T265] RDX: 0000000000000000 RSI: 00007fff693b43e0 RDI: 0000000000000005 [ 15.987346][ T265] RBP: 00007fff693b4340 R08: 0000000000000000 R09: 0000000000000000 [ 15.987347][ T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91648b Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print