====================================== | [ 19.717824][ T710] softirqs last disabled at (20000): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 19.717826][ T710] Preemption disabled at: | [ 19.717827][ T710] 0x0 | [ 19.717836][ T710] Tainted: [W]=WARN [ 19.717837][ T710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.717839][ T710] Call Trace: [ 19.717840][ T710] [ 19.717842][ T710] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.717848][ T710] __might_resched.cold (kernel/sched/core.c:9234) [ 19.717852][ T710] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.717856][ T710] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.717861][ T710] __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)) [ 19.717862][ T710] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.717869][ T710] ? 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) [ 19.717871][ T710] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.717875][ T710] put_chars (drivers/char/virtio_console.c:1176) [ 19.717878][ T710] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.717879][ T710] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.717883][ T710] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.717888][ T710] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.717895][ T710] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.717898][ T710] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.717900][ T710] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.717904][ T710] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.717908][ T710] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.717910][ T710] ? 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)) [ 19.717913][ T710] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.717914][ T710] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.717918][ T710] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.717922][ T710] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.717924][ T710] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.717929][ T710] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.717932][ T710] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.717934][ T710] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.717935][ T710] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 19.717939][ T710] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.717941][ T710] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.717944][ T710] vprintk_emit (kernel/printk/printk.c:2479) [ 19.717947][ T710] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.717949][ T710] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.717953][ T710] _printk (kernel/printk/printk.c:2504) [ 19.717956][ T710] ? snapshot_read.cold (user.c:?) [ 19.717959][ T710] ? 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) [ 19.717962][ T710] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.717965][ T710] ? 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) [ 19.717968][ T710] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.717972][ T710] ? exit_notify (kernel/exit.c:780) [ 19.717973][ T710] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.717976][ T710] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.717979][ T710] do_group_exit (kernel/exit.c:1151) [ 19.717982][ T710] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.717984][ T710] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.717986][ T710] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.717990][ T710] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.717993][ T710] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.717995][ T710] RIP: 0033:0x7f3252e2f1b8 [ 19.717997][ T710] Code: Unable to access opcode bytes at 0x7f3252e2f18e. Code starting with the faulting instruction =========================================== [ 19.717998][ T710] RSP: 002b:00007ffec5f53ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.718000][ T710] RAX: ffffffffffffffda RBX: 00007f3252f5ff88 RCX: 00007f3252e2f1b8 [ 19.718001][ T710] RDX: 00007f3252b79fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 19.718002][ T710] RBP: 00007ffec5f53b30 R08: 0000000000000000 R09: 0000000000000050 [ 19.718003][ T710] R10: 00007ffec5f538f0 R11: 0000000000000246 R12: 0000000000000001 [ 19.718004][ T710] R13: 0000000000000000 R14: 00007f3252f5e680 R15: 00007f3252f5ffa0 | [ 33.886302][ T1380] softirqs last disabled at (16700): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 33.886304][ T1380] Preemption disabled at: | [ 33.886305][ T1380] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.886313][ T1380] Tainted: [W]=WARN [ 33.886314][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.886316][ T1380] Call Trace: [ 33.886317][ T1380] [ 33.886319][ T1380] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.886325][ T1380] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.886326][ T1380] __might_resched.cold (kernel/sched/core.c:9234) [ 33.886330][ T1380] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.886335][ T1380] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.886339][ T1380] __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)) [ 33.886341][ T1380] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.886347][ T1380] ? 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) [ 33.886350][ T1380] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.886354][ T1380] put_chars (drivers/char/virtio_console.c:1176) [ 33.886356][ T1380] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.886359][ T1380] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 33.886364][ T1380] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.886372][ T1380] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.886374][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886377][ T1380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.886381][ T1380] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.886387][ T1380] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.886389][ T1380] ? 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)) [ 33.886392][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886394][ T1380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.886398][ T1380] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.886402][ T1380] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.886404][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.886409][ T1380] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.886412][ T1380] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.886419][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886421][ T1380] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 33.886424][ T1380] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.886426][ T1380] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.886429][ T1380] vprintk_emit (kernel/printk/printk.c:2479) [ 33.886432][ T1380] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.886434][ T1380] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.886435][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 33.886439][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 33.886443][ T1380] _printk (kernel/printk/printk.c:2504) [ 33.886446][ T1380] ? snapshot_read.cold (user.c:?) [ 33.886450][ T1380] ? br_multicast_flood (??:?) [ 33.886453][ T1380] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 33.886454][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 33.886455][ T1380] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 33.886460][ T1380] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.886464][ T1380] br_init_port (net/bridge/br_stp_if.c:39) [ 33.886466][ T1380] new_nbp (net/bridge/br_if.c:449) [ 33.886470][ T1380] br_add_if (net/bridge/br_if.c:592) [ 33.886473][ T1380] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 33.886476][ T1380] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.886481][ T1380] do_set_master (net/core/rtnetlink.c:3071) [ 33.886485][ T1380] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 33.886488][ T1380] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 33.886491][ T1380] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 33.886493][ T1380] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 33.886495][ T1380] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 33.886498][ T1380] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.886501][ T1380] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.886502][ T1380] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.886505][ T1380] ? kasan_save_stack (mm/kasan/common.c:58) [ 33.886507][ T1380] ? kasan_save_stack (mm/kasan/common.c:57) [ 33.886508][ T1380] ? kasan_save_track (mm/kasan/common.c:78) [ 33.886509][ T1380] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 33.886511][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.886513][ T1380] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 33.886516][ T1380] ? ___sys_sendmsg (net/socket.c:2758) [ 33.886520][ T1380] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.886522][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 33.886524][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886526][ T1380] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.886528][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886529][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886530][ T1380] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 33.886533][ T1380] ? __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) [ 33.886534][ T1380] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 33.886536][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 33.886539][ T1380] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 33.886540][ T1380] ? nla_get_range_signed (lib/nlattr.c:270) [ 33.886545][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886547][ T1380] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 33.886552][ T1380] rtnl_newlink (net/core/rtnetlink.c:4215) [ 33.886557][ T1380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.886559][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.886563][ T1380] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.886565][ T1380] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.886567][ T1380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.886569][ T1380] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.886573][ T1380] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 33.886575][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 33.886578][ T1380] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 33.886579][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.886584][ T1380] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.886585][ T1380] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.886589][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.886592][ T1380] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 33.886594][ T1380] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.886601][ T1380] ? 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)) [ 33.886603][ T1380] ? 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)) [ 33.886607][ T1380] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.886611][ T1380] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.886613][ T1380] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.886618][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.886621][ T1380] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.886625][ T1380] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.886627][ T1380] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 33.886632][ T1380] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 33.886635][ T1380] ____sys_sendmsg (net/socket.c:2713) [ 33.886637][ T1380] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.886639][ T1380] ? sock_write_iter (net/socket.c:1269) [ 33.886641][ T1380] ? move_addr_to_kernel (net/socket.c:258) [ 33.886648][ T1380] ___sys_sendmsg (net/socket.c:2767) [ 33.886651][ T1380] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.886666][ T1380] __sys_sendmsg (net/socket.c:2799) [ 33.886669][ T1380] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.886675][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.886678][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.886680][ T1380] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.886683][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.886685][ T1380] RIP: 0033:0x7f744fdea54e [ 33.886689][ T1380] 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 [ 33.886691][ T1380] RSP: 002b:00007fff9516de50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.886693][ T1380] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f744fdea54e [ 33.886695][ T1380] RDX: 0000000000000000 RSI: 00007fff9516df00 RDI: 0000000000000005 [ 33.886696][ T1380] RBP: 00007fff9516de60 R08: 0000000000000000 R09: 0000000000000000 [ 33.886696][ T1380] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917174 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars