====================================== | [ 9.671138][ T187] softirqs last disabled at (39362): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.671141][ T187] Preemption disabled at: | [ 9.671141][ T187] 0x0 | [ 9.671152][ T187] Tainted: [W]=WARN [ 9.671153][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.671155][ T187] Call Trace: [ 9.671157][ T187] [ 9.671158][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.671164][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.671169][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.671173][ 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) [ 9.671178][ 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)) [ 9.671181][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.671186][ 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) [ 9.671189][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.671192][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.671195][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.671196][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.671201][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.671206][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.671212][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.671215][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.671217][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.671221][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.671225][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.671227][ 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)) [ 9.671230][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.671232][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.671236][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.671241][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.671243][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.671248][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.671251][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.671252][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.671255][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.671258][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.671260][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.671264][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.671267][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.671271][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.671275][ T187] _printk (kernel/printk/printk.c:2504) [ 9.671278][ T187] ? snapshot_read.cold (user.c:?) [ 9.671281][ 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) [ 9.671284][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.671288][ 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) [ 9.671291][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.671294][ T187] ? exit_notify (kernel/exit.c:780) [ 9.671296][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.671299][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.671303][ T187] do_group_exit (kernel/exit.c:1151) [ 9.671306][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.671308][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.671310][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.671313][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.671316][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.671319][ T187] RIP: 0033:0x7f0e831451b8 [ 9.671321][ T187] Code: Unable to access opcode bytes at 0x7f0e8314518e. Code starting with the faulting instruction =========================================== [ 9.671322][ T187] RSP: 002b:00007fff9f9610f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.671325][ T187] RAX: ffffffffffffffda RBX: 00007f0e83275f88 RCX: 00007f0e831451b8 [ 9.671326][ T187] RDX: 00007f0e82e8ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.671327][ T187] RBP: 00007fff9f961150 R08: 0000000000000000 R09: 0000000000008010 [ 9.671328][ T187] R10: 00007fff9f960f10 R11: 0000000000000246 R12: 0000000000000001 [ 9.671329][ T187] R13: 0000000000000000 R14: 00007f0e83274680 R15: 00007f0e83275fa0 | [ 15.910725][ T253] softirqs last disabled at (30276): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 15.910732][ T253] Preemption disabled at: | [ 15.910733][ T253] 0x0 | [ 15.910743][ T253] Tainted: [W]=WARN [ 15.910744][ T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.910746][ T253] Call Trace: [ 15.910747][ T253] [ 15.910749][ T253] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.910755][ T253] __might_resched.cold (kernel/sched/core.c:9234) [ 15.910760][ T253] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.910765][ T253] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.910770][ T253] __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)) [ 15.910772][ T253] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.910777][ T253] ? 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) [ 15.910780][ T253] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.910783][ T253] put_chars (drivers/char/virtio_console.c:1176) [ 15.910786][ T253] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.910787][ T253] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.910791][ T253] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.910795][ T253] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.910798][ T253] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.910799][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.910801][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.910805][ T253] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.910806][ T253] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.910811][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.910814][ T253] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.910818][ T253] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.910820][ T253] ? 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)) [ 15.910823][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.910827][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.910831][ T253] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.910835][ T253] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.910837][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.910842][ T253] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.910845][ T253] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.910847][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.910849][ T253] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.910853][ T253] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.910854][ T253] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.910858][ T253] vprintk_emit (kernel/printk/printk.c:2479) [ 15.910862][ T253] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.910864][ T253] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.910866][ T253] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.910869][ T253] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.910873][ T253] _printk (kernel/printk/printk.c:2504) [ 15.910877][ T253] ? snapshot_read.cold (user.c:?) [ 15.910885][ T253] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.910896][ T253] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 15.910905][ T253] br_device_event (net/bridge/br.c:111) bridge [ 15.910912][ T253] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.910916][ T253] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.910922][ T253] notifier_call_chain (kernel/notifier.c:85) [ 15.910928][ T253] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 15.910932][ T253] ? netif_change_name (net/core/dev.c:1517) [ 15.910936][ T253] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.910939][ T253] ? __kernel_text_address (kernel/extable.c:79) [ 15.910941][ T253] ? write_profile (profile.c:?) [ 15.910944][ T253] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.910949][ T253] netif_change_flags (net/core/dev.c:9882) [ 15.910953][ T253] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.910956][ T253] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.910958][ T253] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.910959][ T253] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.910961][ T253] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.910965][ T253] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.910967][ T253] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.910969][ T253] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.910972][ T253] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.910975][ T253] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.910976][ T253] ? kasan_save_track (mm/kasan/common.c:78) [ 15.910979][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.910981][ T253] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.910984][ T253] ? ___sys_sendmsg (net/socket.c:2757) [ 15.910988][ T253] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.910990][ T253] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.910993][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.910995][ T253] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.910997][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.910999][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911001][ T253] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.911005][ T253] ? __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) [ 15.911006][ T253] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.911008][ T253] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.911012][ T253] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.911017][ T253] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.911022][ T253] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.911027][ T253] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.911029][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.911034][ T253] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.911036][ T253] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.911038][ T253] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.911040][ T253] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.911043][ T253] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.911045][ T253] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.911049][ T253] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.911050][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.911054][ T253] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.911056][ T253] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.911060][ T253] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.911061][ T253] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.911064][ T253] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.911070][ T253] ? 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)) [ 15.911072][ T253] ? 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)) [ 15.911076][ T253] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.911080][ T253] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.911083][ T253] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.911087][ T253] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.911090][ T253] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.911094][ T253] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.911100][ T253] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.911102][ T253] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.911105][ T253] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.911106][ T253] ? move_addr_to_kernel (net/socket.c:258) [ 15.911114][ T253] ___sys_sendmsg (net/socket.c:2767) [ 15.911116][ T253] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.911132][ T253] __sys_sendmsg (net/socket.c:2799) [ 15.911135][ T253] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.911141][ T253] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.911145][ T253] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.911147][ T253] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.911151][ T253] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.911153][ T253] RIP: 0033:0x7f9b6384654e [ 15.911155][ T253] 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 [ 15.911157][ T253] RSP: 002b:00007ffe2a378500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.911159][ T253] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b6384654e [ 15.911161][ T253] RDX: 0000000000000000 RSI: 00007ffe2a3785b0 RDI: 0000000000000005 [ 15.911162][ T253] RBP: 00007ffe2a378510 R08: 0000000000000000 R09: 0000000000000000 [ 15.911162][ T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91109c 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