====================================== | [ 8.704153][ T181] softirqs last disabled at (19685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.704155][ T181] Preemption disabled at: | [ 8.704156][ T181] 0x0 | [ 8.704166][ T181] Tainted: [W]=WARN [ 8.704167][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.704168][ T181] Call Trace: [ 8.704170][ T181] [ 8.704172][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.704177][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 8.704182][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.704186][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.704191][ T181] __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)) [ 8.704193][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.704200][ T181] ? 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) [ 8.704202][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.704205][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 8.704209][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.704211][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.704214][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.704218][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.704222][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.704226][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.704228][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.704233][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.704236][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.704238][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.704243][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.704246][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.704250][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.704252][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.704256][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.704260][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.704261][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.704266][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.704268][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.704270][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.704272][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.704275][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.704277][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.704280][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 8.704284][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.704287][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.704291][ T181] _printk (kernel/printk/printk.c:2504) [ 8.704294][ T181] ? snapshot_read.cold (user.c:?) [ 8.704297][ T181] ? 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) [ 8.704299][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.704302][ T181] ? 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) [ 8.704305][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.704308][ T181] ? exit_notify (kernel/exit.c:780) [ 8.704310][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.704313][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.704316][ T181] do_group_exit (kernel/exit.c:1151) [ 8.704319][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.704321][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.704324][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.704327][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.704330][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.704332][ T181] RIP: 0033:0x7f14869261b8 [ 8.704334][ T181] Code: Unable to access opcode bytes at 0x7f148692618e. Code starting with the faulting instruction =========================================== [ 8.704335][ T181] RSP: 002b:00007ffe6c0e6158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.704338][ T181] RAX: ffffffffffffffda RBX: 00007f1486a56f88 RCX: 00007f14869261b8 [ 8.704339][ T181] RDX: 00007f1486670fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.704340][ T181] RBP: 00007ffe6c0e61b0 R08: 0000000000000000 R09: 0000000000000050 [ 8.704341][ T181] R10: 00007ffe6c0e5f70 R11: 0000000000000246 R12: 0000000000000001 [ 8.704341][ T181] R13: 0000000000000000 R14: 00007f1486a55680 R15: 00007f1486a56fa0 | [ 10.118889][ T267] softirqs last disabled at (23220): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.118891][ T267] Preemption disabled at: | [ 10.118892][ T267] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.118900][ T267] Tainted: [W]=WARN [ 10.118901][ T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.118902][ T267] Call Trace: [ 10.118904][ T267] [ 10.118905][ T267] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.118910][ T267] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.118912][ T267] __might_resched.cold (kernel/sched/core.c:9234) [ 10.118917][ T267] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.118920][ T267] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.118926][ T267] __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)) [ 10.118928][ T267] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.118934][ T267] ? 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) [ 10.118937][ T267] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.118940][ T267] put_chars (drivers/char/virtio_console.c:1176) [ 10.118943][ T267] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.118947][ T267] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.118952][ T267] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.118956][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.118961][ T267] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.118964][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.118970][ T267] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.118973][ T267] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.118977][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.118978][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.118982][ T267] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.118986][ T267] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.118987][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.118992][ T267] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.118995][ T267] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.118996][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.118998][ T267] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.119002][ T267] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.119004][ T267] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.119006][ T267] vprintk_emit (kernel/printk/printk.c:2479) [ 10.119009][ T267] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.119012][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.119014][ T267] ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1)) [ 10.119018][ T267] _printk (kernel/printk/printk.c:2504) [ 10.119021][ T267] ? snapshot_read.cold (user.c:?) [ 10.119025][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.119027][ T267] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.119030][ T267] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.119034][ T267] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.119035][ T267] ? netdev_notice (net/core/dev.c:13194) [ 10.119040][ T267] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.119042][ T267] ? bond_ipsec_del_sa_all (drivers/net/bonding/bond_main.c:603 (discriminator 3)) [ 10.119048][ T267] bond_change_active_slave.cold (drivers/net/bonding/bond_main.c:1301) [ 10.119051][ T267] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.119053][ T267] ? bond_choose_primary_or_current (drivers/net/bonding/bond_main.c:1102 (discriminator 2)) [ 10.119056][ T267] ? bond_peer_notify_work_rearm (drivers/net/bonding/bond_main.c:1211) [ 10.119059][ T267] ? static_key_slow_inc_cpuslocked (./include/linux/mutex.h:253 kernel/jump_label.c:165 kernel/jump_label.c:151) [ 10.119065][ T267] bond_select_active_slave (drivers/net/bonding/bond_main.c:1379) [ 10.119068][ T267] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1824) [ 10.119073][ T267] ? static_key_slow_inc (kernel/jump_label.c:192) [ 10.119075][ T267] bond_enslave (drivers/net/bonding/bond_main.c:2298) [ 10.119081][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.119083][ T267] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.119084][ T267] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.119087][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119088][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.119093][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.119100][ T267] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.119103][ T267] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.119109][ T267] do_set_master (net/core/rtnetlink.c:3071) [ 10.119113][ T267] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.119117][ T267] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.119120][ T267] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.119122][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.119125][ T267] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.119128][ T267] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.119130][ T267] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.119132][ T267] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.119135][ T267] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.119137][ T267] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.119138][ T267] ? kasan_save_track (mm/kasan/common.c:78) [ 10.119141][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119143][ T267] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 10.119146][ T267] ? ___sys_sendmsg (net/socket.c:2757) [ 10.119150][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.119152][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.119155][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119157][ T267] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.119158][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119160][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119162][ T267] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.119164][ T267] ? __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) [ 10.119167][ T267] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.119169][ T267] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.119173][ T267] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.119174][ T267] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.119181][ T267] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.119186][ T267] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.119192][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.119194][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119198][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.119201][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.119203][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.119205][ T267] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.119209][ T267] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.119211][ T267] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.119215][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.119217][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119221][ T267] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.119223][ T267] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.119227][ T267] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.119229][ T267] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.119232][ T267] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.119238][ T267] ? 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)) [ 10.119240][ T267] ? 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)) [ 10.119244][ T267] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.119247][ T267] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.119250][ T267] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119254][ T267] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.119258][ T267] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.119262][ T267] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.119267][ T267] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.119269][ T267] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.119271][ T267] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.119272][ T267] ? move_addr_to_kernel (net/socket.c:258) [ 10.119279][ T267] ___sys_sendmsg (net/socket.c:2767) [ 10.119282][ T267] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.119296][ T267] __sys_sendmsg (net/socket.c:2799) [ 10.119299][ T267] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.119305][ T267] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119308][ T267] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.119310][ T267] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.119313][ T267] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.119315][ T267] RIP: 0033:0x7f4cd84c754e [ 10.119319][ T267] 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 [ 10.119321][ T267] RSP: 002b:00007fff83004a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.119323][ T267] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4cd84c754e [ 10.119325][ T267] RDX: 0000000000000000 RSI: 00007fff83004ac0 RDI: 0000000000000005 [ 10.119326][ T267] RBP: 00007fff83004a20 R08: 0000000000000000 R09: 0000000000000000 [ 10.119327][ T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911203 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