====================================== | [ 8.652461][ T180] softirqs last disabled at (21561): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.652464][ T180] Preemption disabled at: | [ 8.652464][ T180] 0x0 | [ 8.652474][ T180] Tainted: [W]=WARN [ 8.652475][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.652476][ T180] Call Trace: [ 8.652478][ T180] [ 8.652479][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.652485][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 8.652490][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.652493][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.652498][ T180] __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)) [ 8.652501][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.652507][ T180] ? 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) [ 8.652509][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.652513][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 8.652516][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.652518][ T180] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.652521][ T180] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.652525][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.652529][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.652533][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.652535][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.652539][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.652543][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.652545][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.652549][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.652552][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.652556][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.652558][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.652562][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.652566][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.652567][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.652572][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.652574][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.652576][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.652578][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.652581][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.652583][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.652586][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 8.652589][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.652592][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.652596][ T180] _printk (kernel/printk/printk.c:2504) [ 8.652599][ T180] ? snapshot_read.cold (user.c:?) [ 8.652602][ T180] ? 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) [ 8.652604][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.652607][ T180] ? 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) [ 8.652609][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.652613][ T180] ? exit_notify (kernel/exit.c:780) [ 8.652614][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.652617][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.652620][ T180] do_group_exit (kernel/exit.c:1151) [ 8.652623][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.652625][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.652628][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.652631][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.652634][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.652636][ T180] RIP: 0033:0x7f6b27c971b8 [ 8.652638][ T180] Code: Unable to access opcode bytes at 0x7f6b27c9718e. Code starting with the faulting instruction =========================================== [ 8.652639][ T180] RSP: 002b:00007ffd74bd22c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.652642][ T180] RAX: ffffffffffffffda RBX: 00007f6b27dc7f88 RCX: 00007f6b27c971b8 [ 8.652643][ T180] RDX: 00007f6b279e1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.652644][ T180] RBP: 00007ffd74bd2320 R08: 0000000000000000 R09: 0000000000000050 [ 8.652645][ T180] R10: 00007ffd74bd20e0 R11: 0000000000000246 R12: 0000000000000001 [ 8.652645][ T180] R13: 0000000000000000 R14: 00007f6b27dc6680 R15: 00007f6b27dc7fa0 | [ 10.076728][ T264] softirqs last disabled at (15384): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.076730][ T264] Preemption disabled at: | [ 10.076730][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.076739][ T264] Tainted: [W]=WARN [ 10.076740][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.076741][ T264] Call Trace: [ 10.076743][ T264] [ 10.076744][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.076749][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.076751][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 10.076755][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.076759][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.076764][ T264] __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)) [ 10.076767][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.076773][ T264] ? 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) [ 10.076775][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.076779][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 10.076782][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.076786][ T264] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.076791][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.076794][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.076799][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.076802][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.076810][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.076813][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.076817][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.076819][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.076823][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.076826][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.076828][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.076833][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.076835][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.076836][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.076838][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.076842][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.076844][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.076847][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 10.076850][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.076852][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.076854][ T264] ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1)) [ 10.076859][ T264] _printk (kernel/printk/printk.c:2504) [ 10.076862][ T264] ? snapshot_read.cold (user.c:?) [ 10.076866][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.076868][ T264] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.076871][ T264] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.076874][ T264] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.076876][ T264] ? netdev_notice (net/core/dev.c:13194) [ 10.076881][ T264] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.076883][ T264] ? bond_ipsec_del_sa_all (drivers/net/bonding/bond_main.c:603 (discriminator 3)) [ 10.076889][ T264] bond_change_active_slave.cold (drivers/net/bonding/bond_main.c:1301) [ 10.076893][ T264] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.076894][ T264] ? bond_choose_primary_or_current (drivers/net/bonding/bond_main.c:1102 (discriminator 2)) [ 10.076897][ T264] ? bond_peer_notify_work_rearm (drivers/net/bonding/bond_main.c:1211) [ 10.076900][ T264] ? static_key_slow_inc_cpuslocked (./include/linux/mutex.h:253 kernel/jump_label.c:165 kernel/jump_label.c:151) [ 10.076906][ T264] bond_select_active_slave (drivers/net/bonding/bond_main.c:1379) [ 10.076909][ T264] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1824) [ 10.076915][ T264] ? static_key_slow_inc (kernel/jump_label.c:192) [ 10.076916][ T264] bond_enslave (drivers/net/bonding/bond_main.c:2298) [ 10.076922][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.076924][ T264] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.076926][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.076928][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.076929][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.076934][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.076941][ T264] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.076944][ T264] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.076950][ T264] do_set_master (net/core/rtnetlink.c:3071) [ 10.076954][ T264] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.076958][ T264] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.076961][ T264] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.076963][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.076966][ T264] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.076969][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.076971][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.076973][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.076976][ T264] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.076978][ T264] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.076979][ T264] ? kasan_save_track (mm/kasan/common.c:78) [ 10.076981][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.076984][ T264] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 10.076987][ T264] ? ___sys_sendmsg (net/socket.c:2757) [ 10.076991][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.076993][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.076996][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.076998][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.076999][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.077001][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.077003][ T264] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.077005][ T264] ? __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) [ 10.077008][ T264] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.077010][ T264] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.077014][ T264] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.077015][ T264] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.077021][ T264] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.077027][ T264] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.077038][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.077040][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.077045][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.077047][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.077049][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.077051][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.077055][ T264] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.077057][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.077061][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.077063][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.077067][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.077069][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.077073][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.077075][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.077078][ T264] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.077084][ T264] ? 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)) [ 10.077085][ T264] ? 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)) [ 10.077090][ T264] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.077093][ T264] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.077096][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.077100][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.077104][ T264] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.077107][ T264] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.077113][ T264] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.077115][ T264] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.077117][ T264] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.077118][ T264] ? move_addr_to_kernel (net/socket.c:258) [ 10.077125][ T264] ___sys_sendmsg (net/socket.c:2767) [ 10.077127][ T264] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.077142][ T264] __sys_sendmsg (net/socket.c:2799) [ 10.077145][ T264] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.077151][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.077154][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.077156][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.077159][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.077161][ T264] RIP: 0033:0x7fb949cb954e [ 10.077165][ T264] 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 [ 10.077167][ T264] RSP: 002b:00007ffe8421e400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.077169][ T264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb949cb954e [ 10.077170][ T264] RDX: 0000000000000000 RSI: 00007ffe8421e4b0 RDI: 0000000000000005 [ 10.077171][ T264] RBP: 00007ffe8421e410 R08: 0000000000000000 R09: 0000000000000000 [ 10.077172][ T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90eaeb Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars