====================================== | [ 9.664007][ T186] softirqs last disabled at (45726): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.664009][ T186] Preemption disabled at: | [ 9.664010][ T186] 0x0 | [ 9.664020][ T186] Tainted: [W]=WARN [ 9.664021][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.664022][ T186] Call Trace: [ 9.664023][ T186] [ 9.664025][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.664031][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.664036][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.664040][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.664045][ T186] __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)) [ 9.664047][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.664053][ T186] ? 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) [ 9.664055][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.664058][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.664061][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.664062][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.664067][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.664072][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.664078][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.664080][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.664083][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.664087][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.664091][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.664092][ T186] ? 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)) [ 9.664096][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.664098][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.664102][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.664106][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.664107][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.664112][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.664115][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.664117][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.664119][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.664123][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.664124][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.664128][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.664131][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.664135][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.664138][ T186] _printk (kernel/printk/printk.c:2504) [ 9.664142][ T186] ? snapshot_read.cold (user.c:?) [ 9.664145][ T186] ? 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) [ 9.664147][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.664151][ T186] ? 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) [ 9.664153][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.664157][ T186] ? exit_notify (kernel/exit.c:780) [ 9.664159][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.664162][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.664166][ T186] do_group_exit (kernel/exit.c:1151) [ 9.664168][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.664170][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.664172][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.664175][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.664178][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.664180][ T186] RIP: 0033:0x7facaadbd1b8 [ 9.664183][ T186] Code: Unable to access opcode bytes at 0x7facaadbd18e. Code starting with the faulting instruction =========================================== [ 9.664184][ T186] RSP: 002b:00007ffd4dfb1e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.664186][ T186] RAX: ffffffffffffffda RBX: 00007facaaeedf88 RCX: 00007facaadbd1b8 [ 9.664188][ T186] RDX: 00007facaab07fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.664189][ T186] RBP: 00007ffd4dfb1ed0 R08: 0000000000000000 R09: 0000000000008010 [ 9.664189][ T186] R10: 00007ffd4dfb1c90 R11: 0000000000000246 R12: 0000000000000001 [ 9.664190][ T186] R13: 0000000000000000 R14: 00007facaaeec680 R15: 00007facaaeedfa0 | [ 15.957328][ T251] softirqs last disabled at (14492): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 15.957336][ T251] Preemption disabled at: | [ 15.957336][ T251] 0x0 | [ 15.957346][ T251] Tainted: [W]=WARN [ 15.957347][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.957348][ T251] Call Trace: [ 15.957350][ T251] [ 15.957351][ T251] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.957357][ T251] __might_resched.cold (kernel/sched/core.c:9234) [ 15.957362][ T251] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.957366][ T251] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.957372][ T251] __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)) [ 15.957374][ T251] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.957380][ T251] ? 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) [ 15.957383][ T251] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.957386][ T251] put_chars (drivers/char/virtio_console.c:1176) [ 15.957389][ T251] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.957390][ T251] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 15.957394][ T251] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 15.957398][ T251] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.957401][ T251] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.957402][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957404][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957408][ T251] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.957409][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.957414][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.957418][ T251] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.957422][ T251] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.957423][ T251] ? 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)) [ 15.957427][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957431][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.957435][ T251] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.957439][ T251] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.957441][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957446][ T251] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.957449][ T251] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.957451][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957453][ T251] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.957457][ T251] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.957459][ T251] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.957462][ T251] vprintk_emit (kernel/printk/printk.c:2479) [ 15.957466][ T251] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.957468][ T251] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.957471][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.957473][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.957478][ T251] _printk (kernel/printk/printk.c:2504) [ 15.957481][ T251] ? snapshot_read.cold (user.c:?) [ 15.957489][ T251] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.957501][ T251] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 15.957510][ T251] br_device_event (net/bridge/br.c:111) bridge [ 15.957518][ T251] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.957522][ T251] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.957528][ T251] notifier_call_chain (kernel/notifier.c:85) [ 15.957534][ T251] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 15.957539][ T251] ? netif_change_name (net/core/dev.c:1517) [ 15.957543][ T251] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.957546][ T251] ? __kernel_text_address (kernel/extable.c:79) [ 15.957548][ T251] ? write_profile (profile.c:?) [ 15.957550][ T251] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.957556][ T251] netif_change_flags (net/core/dev.c:9882) [ 15.957559][ T251] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.957563][ T251] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.957565][ T251] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.957566][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.957568][ T251] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.957572][ T251] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.957574][ T251] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.957576][ T251] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.957579][ T251] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.957582][ T251] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.957583][ T251] ? kasan_save_track (mm/kasan/common.c:78) [ 15.957586][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957588][ T251] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.957591][ T251] ? ___sys_sendmsg (net/socket.c:2757) [ 15.957595][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.957597][ T251] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.957600][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957602][ T251] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.957604][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957606][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957608][ T251] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.957612][ T251] ? __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) [ 15.957614][ T251] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.957616][ T251] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.957619][ T251] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.957625][ T251] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.957630][ T251] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.957635][ T251] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.957637][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957642][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.957644][ T251] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.957646][ T251] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.957647][ T251] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.957651][ T251] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.957653][ T251] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.957656][ T251] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.957658][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957662][ T251] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.957664][ T251] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.957667][ T251] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.957669][ T251] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.957672][ T251] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.957678][ T251] ? 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)) [ 15.957680][ T251] ? 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)) [ 15.957684][ T251] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.957688][ T251] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.957690][ T251] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.957695][ T251] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.957699][ T251] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.957702][ T251] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.957708][ T251] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.957710][ T251] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.957713][ T251] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.957714][ T251] ? move_addr_to_kernel (net/socket.c:258) [ 15.957722][ T251] ___sys_sendmsg (net/socket.c:2767) [ 15.957725][ T251] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.957740][ T251] __sys_sendmsg (net/socket.c:2799) [ 15.957743][ T251] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.957750][ T251] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.957753][ T251] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.957756][ T251] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.957759][ T251] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.957761][ T251] RIP: 0033:0x7f0e2ea1f54e [ 15.957764][ T251] 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 [ 15.957765][ T251] RSP: 002b:00007fffe413e940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.957768][ T251] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0e2ea1f54e [ 15.957769][ T251] RDX: 0000000000000000 RSI: 00007fffe413e9f0 RDI: 0000000000000005 [ 15.957770][ T251] RBP: 00007fffe413e950 R08: 0000000000000000 R09: 0000000000000000 [ 15.957771][ T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af1f 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