====================================== | [ 9.174112][ T181] softirqs last disabled at (40725): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.174115][ T181] Preemption disabled at: | [ 9.174115][ T181] 0x0 | [ 9.174126][ T181] Tainted: [W]=WARN [ 9.174127][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.174128][ T181] Call Trace: [ 9.174130][ T181] [ 9.174132][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.174138][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 9.174142][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.174146][ 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) [ 9.174151][ 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)) [ 9.174154][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.174161][ 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) [ 9.174163][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.174167][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 9.174170][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.174172][ T181] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.174175][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.174179][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.174184][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.174188][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.174189][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.174194][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.174198][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.174200][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.174205][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.174208][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.174212][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.174214][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.174218][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.174222][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.174224][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.174229][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.174232][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.174233][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.174235][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.174239][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.174241][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.174244][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 9.174248][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.174251][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.174255][ T181] _printk (kernel/printk/printk.c:2504) [ 9.174259][ T181] ? snapshot_read.cold (user.c:?) [ 9.174261][ 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) [ 9.174264][ T181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.174267][ 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) [ 9.174269][ T181] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.174273][ T181] ? exit_notify (kernel/exit.c:780) [ 9.174275][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.174278][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.174282][ T181] do_group_exit (kernel/exit.c:1151) [ 9.174285][ T181] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.174287][ T181] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.174290][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.174293][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.174296][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.174298][ T181] RIP: 0033:0x7fe890a1b1b8 [ 9.174300][ T181] Code: Unable to access opcode bytes at 0x7fe890a1b18e. Code starting with the faulting instruction =========================================== [ 9.174302][ T181] RSP: 002b:00007fff0ba954a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.174304][ T181] RAX: ffffffffffffffda RBX: 00007fe890b4bf88 RCX: 00007fe890a1b1b8 [ 9.174305][ T181] RDX: 00007fe890765fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.174306][ T181] RBP: 00007fff0ba95500 R08: 0000000000000000 R09: 0000000000000050 [ 9.174307][ T181] R10: 00007fff0ba952c0 R11: 0000000000000246 R12: 0000000000000001 [ 9.174308][ T181] R13: 0000000000000000 R14: 00007fe890b4a680 R15: 00007fe890b4bfa0 | [ 10.756040][ T266] softirqs last disabled at (21970): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.756043][ T266] Preemption disabled at: | [ 10.756043][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.756052][ T266] Tainted: [W]=WARN [ 10.756053][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.756054][ T266] Call Trace: [ 10.756056][ T266] [ 10.756057][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.756063][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.756065][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 10.756069][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.756073][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.756079][ T266] __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)) [ 10.756082][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.756088][ T266] ? 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) [ 10.756090][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.756094][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 10.756098][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.756102][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.756108][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.756111][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756117][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.756120][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756127][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.756131][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.756135][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756137][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.756142][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.756146][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.756147][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756153][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.756156][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.756157][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756159][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.756163][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.756165][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.756168][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 10.756172][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.756175][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.756176][ T266] ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1)) [ 10.756182][ T266] _printk (kernel/printk/printk.c:2504) [ 10.756185][ T266] ? snapshot_read.cold (user.c:?) [ 10.756189][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.756191][ T266] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.756194][ T266] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.756198][ T266] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.756200][ T266] ? netdev_notice (net/core/dev.c:13194) [ 10.756205][ T266] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.756208][ T266] ? bond_ipsec_del_sa_all (drivers/net/bonding/bond_main.c:603 (discriminator 3)) [ 10.756214][ T266] bond_change_active_slave.cold (drivers/net/bonding/bond_main.c:1301) [ 10.756218][ T266] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.756219][ T266] ? bond_choose_primary_or_current (drivers/net/bonding/bond_main.c:1102 (discriminator 2)) [ 10.756222][ T266] ? bond_peer_notify_work_rearm (drivers/net/bonding/bond_main.c:1211) [ 10.756226][ T266] ? static_key_slow_inc_cpuslocked (./include/linux/mutex.h:253 kernel/jump_label.c:165 kernel/jump_label.c:151) [ 10.756232][ T266] bond_select_active_slave (drivers/net/bonding/bond_main.c:1379) [ 10.756236][ T266] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1824) [ 10.756241][ T266] ? static_key_slow_inc (kernel/jump_label.c:192) [ 10.756243][ T266] bond_enslave (drivers/net/bonding/bond_main.c:2298) [ 10.756250][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.756252][ T266] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.756254][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.756256][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756258][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.756263][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.756271][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.756274][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.756280][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 10.756284][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.756288][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.756292][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.756294][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.756297][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.756301][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.756303][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.756305][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.756308][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.756311][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.756312][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 10.756314][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756316][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 10.756319][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 10.756324][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.756326][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.756329][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756333][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.756335][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756336][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756338][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.756341][ T266] ? __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) [ 10.756344][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.756346][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.756350][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.756352][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.756358][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.756364][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.756370][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.756372][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756377][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.756379][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.756382][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.756384][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.756388][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.756391][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.756395][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.756397][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756401][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.756404][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.756407][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.756409][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.756413][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.756419][ T266] ? 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)) [ 10.756421][ T266] ? 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)) [ 10.756425][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.756429][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.756432][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756437][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.756441][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.756445][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.756450][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.756452][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.756454][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.756456][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 10.756463][ T266] ___sys_sendmsg (net/socket.c:2767) [ 10.756466][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.756482][ T266] __sys_sendmsg (net/socket.c:2799) [ 10.756485][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.756491][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756494][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.756496][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.756500][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.756502][ T266] RIP: 0033:0x7f6cc383454e [ 10.756506][ T266] 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 [ 10.756508][ T266] RSP: 002b:00007fffba5cb2a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.756510][ T266] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6cc383454e [ 10.756512][ T266] RDX: 0000000000000000 RSI: 00007fffba5cb350 RDI: 0000000000000005 [ 10.756513][ T266] RBP: 00007fffba5cb2b0 R08: 0000000000000000 R09: 0000000000000000 [ 10.756514][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bb4c 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