====================================== | [ 10.807564][ T187] softirqs last disabled at (41598): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.807566][ T187] Preemption disabled at: | [ 10.807567][ T187] 0x0 | [ 10.807577][ T187] Tainted: [W]=WARN [ 10.807578][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.807580][ T187] Call Trace: [ 10.807582][ T187] [ 10.807583][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.807590][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.807594][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.807598][ 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) [ 10.807604][ 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)) [ 10.807606][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.807611][ 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) [ 10.807614][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.807617][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.807620][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.807621][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.807626][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.807631][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.807637][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.807639][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807641][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.807645][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.807649][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.807651][ 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)) [ 10.807654][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807656][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.807660][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.807664][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.807666][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.807671][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.807673][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.807675][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807678][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.807681][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.807683][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.807686][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.807690][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.807693][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.807696][ T187] _printk (kernel/printk/printk.c:2504) [ 10.807700][ T187] ? snapshot_read.cold (user.c:?) [ 10.807703][ 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) [ 10.807706][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.807709][ 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) [ 10.807712][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.807715][ T187] ? exit_notify (kernel/exit.c:780) [ 10.807717][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.807720][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.807726][ T187] do_group_exit (kernel/exit.c:1151) [ 10.807728][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.807730][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.807732][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.807735][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.807738][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.807741][ T187] RIP: 0033:0x7fb6a3fd91b8 [ 10.807743][ T187] Code: Unable to access opcode bytes at 0x7fb6a3fd918e. Code starting with the faulting instruction =========================================== [ 10.807744][ T187] RSP: 002b:00007ffc97eb96a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.807746][ T187] RAX: ffffffffffffffda RBX: 00007fb6a4109f88 RCX: 00007fb6a3fd91b8 [ 10.807748][ T187] RDX: 00007fb6a3d23fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.807749][ T187] RBP: 00007ffc97eb9700 R08: 0000000000000000 R09: 0000000000008010 [ 10.807750][ T187] R10: 00007ffc97eb94c0 R11: 0000000000000246 R12: 0000000000000001 [ 10.807750][ T187] R13: 0000000000000000 R14: 00007fb6a4108680 R15: 00007fb6a4109fa0 | [ 17.027267][ T252] softirqs last disabled at (16644): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 17.027275][ T252] Preemption disabled at: | [ 17.027276][ T252] 0x0 | [ 17.027286][ T252] Tainted: [W]=WARN [ 17.027287][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.027288][ T252] Call Trace: [ 17.027290][ T252] [ 17.027291][ T252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.027297][ T252] __might_resched.cold (kernel/sched/core.c:9234) [ 17.027302][ T252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.027306][ T252] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.027311][ T252] __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)) [ 17.027313][ T252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.027319][ T252] ? 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) [ 17.027322][ T252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.027324][ T252] put_chars (drivers/char/virtio_console.c:1176) [ 17.027327][ T252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.027329][ T252] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 17.027333][ T252] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 17.027336][ T252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.027339][ T252] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.027340][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027342][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027346][ T252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.027347][ T252] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.027351][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.027355][ T252] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.027359][ T252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.027361][ T252] ? 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)) [ 17.027364][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.027368][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.027372][ T252] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.027376][ T252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.027377][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027382][ T252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.027385][ T252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.027387][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.027389][ T252] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.027393][ T252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.027394][ T252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.027398][ T252] vprintk_emit (kernel/printk/printk.c:2479) [ 17.027406][ T252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.027408][ T252] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 17.027411][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.027413][ T252] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.027417][ T252] _printk (kernel/printk/printk.c:2504) [ 17.027421][ T252] ? snapshot_read.cold (user.c:?) [ 17.027428][ T252] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 17.027439][ T252] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 17.027449][ T252] br_device_event (net/bridge/br.c:111) bridge [ 17.027456][ T252] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.027460][ T252] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 17.027466][ T252] notifier_call_chain (kernel/notifier.c:85) [ 17.027471][ T252] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 17.027476][ T252] ? netif_change_name (net/core/dev.c:1517) [ 17.027480][ T252] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 17.027483][ T252] ? __kernel_text_address (kernel/extable.c:79) [ 17.027485][ T252] ? write_profile (profile.c:?) [ 17.027487][ T252] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 17.027492][ T252] netif_change_flags (net/core/dev.c:9882) [ 17.027496][ T252] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.027499][ T252] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.027501][ T252] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.027503][ T252] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 17.027504][ T252] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 17.027508][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.027510][ T252] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.027512][ T252] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.027515][ T252] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.027518][ T252] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.027519][ T252] ? kasan_save_track (mm/kasan/common.c:78) [ 17.027522][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027524][ T252] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 17.027527][ T252] ? ___sys_sendmsg (net/socket.c:2757) [ 17.027531][ T252] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.027533][ T252] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.027536][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.027538][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.027539][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.027541][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.027544][ T252] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.027548][ T252] ? __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) [ 17.027549][ T252] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.027551][ T252] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.027555][ T252] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.027560][ T252] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.027565][ T252] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.027570][ T252] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.027572][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027576][ T252] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.027578][ T252] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.027580][ T252] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.027581][ T252] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.027585][ T252] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.027587][ T252] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.027590][ T252] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.027591][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027595][ T252] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.027597][ T252] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.027601][ T252] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.027602][ T252] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.027605][ T252] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.027611][ T252] ? 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)) [ 17.027613][ T252] ? 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)) [ 17.027617][ T252] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.027621][ T252] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.027623][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.027627][ T252] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.027631][ T252] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.027635][ T252] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.027640][ T252] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.027642][ T252] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.027645][ T252] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.027646][ T252] ? move_addr_to_kernel (net/socket.c:258) [ 17.027653][ T252] ___sys_sendmsg (net/socket.c:2767) [ 17.027656][ T252] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.027671][ T252] __sys_sendmsg (net/socket.c:2799) [ 17.027674][ T252] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.027680][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.027684][ T252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.027686][ T252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.027689][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.027692][ T252] RIP: 0033:0x7fe599e3a54e [ 17.027694][ T252] 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 [ 17.027696][ T252] RSP: 002b:00007ffd4af763b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.027698][ T252] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe599e3a54e [ 17.027700][ T252] RDX: 0000000000000000 RSI: 00007ffd4af76460 RDI: 0000000000000005 [ 17.027701][ T252] RBP: 00007ffd4af763c0 R08: 0000000000000000 R09: 0000000000000000 [ 17.027702][ T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918525 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