====================================== | [ 9.256089][ T188] softirqs last disabled at (25265): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.256092][ T188] Preemption disabled at: | [ 9.256092][ T188] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.256101][ T188] Tainted: [W]=WARN [ 9.256102][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.256103][ T188] Call Trace: [ 9.256105][ T188] [ 9.256106][ T188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.256111][ T188] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.256113][ T188] __might_resched.cold (kernel/sched/core.c:9234) [ 9.256117][ T188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.256121][ T188] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.256126][ T188] __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)) [ 9.256129][ T188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.256135][ T188] ? 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) [ 9.256137][ T188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.256140][ T188] put_chars (drivers/char/virtio_console.c:1176) [ 9.256143][ T188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.256147][ T188] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.256150][ T188] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.256153][ T188] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.256157][ T188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.256161][ T188] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.256163][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.256165][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.256169][ T188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.256172][ T188] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 9.256174][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.256176][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.256180][ T188] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.256184][ T188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.256187][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.256189][ T188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.256193][ T188] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.256197][ T188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.256198][ T188] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.256203][ T188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.256205][ T188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.256207][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.256209][ T188] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.256212][ T188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.256214][ T188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.256217][ T188] vprintk_emit (kernel/printk/printk.c:2479) [ 9.256221][ T188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.256225][ T188] ? vlan_netlink_fini (./include/linux/etherdevice.h:305 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 9.256229][ T188] _printk (kernel/printk/printk.c:2504) [ 9.256233][ T188] ? snapshot_read.cold (user.c:?) [ 9.256239][ T188] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 9.256242][ T188] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 9.256245][ T188] do_one_initcall (init/main.c:1357) [ 9.256248][ T188] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 9.256252][ T188] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 9.256255][ T188] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 9.256260][ T188] do_init_module (kernel/module/main.c:3117) [ 9.256263][ T188] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.256267][ T188] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 9.256269][ T188] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 9.256274][ T188] load_module (kernel/module/main.c:3593) [ 9.256280][ T188] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 9.256283][ T188] ? __ia32_sys_fsconfig (??:?) [ 9.256286][ T188] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 9.256292][ T188] init_module_from_file (kernel/module/main.c:3790) [ 9.256294][ T188] ? __do_sys_init_module (kernel/module/main.c:3664) [ 9.256301][ T188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.256304][ T188] ? 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) [ 9.256307][ T188] idempotent_init_module (kernel/module/main.c:3802) [ 9.256310][ T188] ? init_module_from_file (kernel/module/main.c:3791) [ 9.256315][ T188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.256317][ T188] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.256323][ T188] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 9.256325][ T188] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.256328][ T188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.256330][ T188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.256333][ T188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.256335][ T188] RIP: 0033:0x7fe2a875337d [ 9.256338][ T188] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 9.256340][ T188] RSP: 002b:00007fff9cfc4198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 9.256342][ T188] RAX: ffffffffffffffda RBX: 000055624324a810 RCX: 00007fe2a875337d [ 9.256343][ T188] RDX: 0000000000000000 RSI: 00005562385dcffd RDI: 0000000000000000 [ 9.256344][ T188] RBP: 00007fff9cfc4230 R08: 0000000000000000 R09: 0000000000000000 [ 9.256345][ T188] R10: 0000000000000000 R11: 0000000000000246 R12: 00005562385dcffd [ 9.256346][ T188] R13: 000055624324a940 R14: 0000000000040000 R15: 0000000000000000 | [ 10.678444][ T268] softirqs last disabled at (19660): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 10.678447][ T268] Preemption disabled at: | [ 10.678448][ T268] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.678456][ T268] Tainted: [W]=WARN [ 10.678457][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.678459][ T268] Call Trace: [ 10.678460][ T268] [ 10.678462][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.678467][ T268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.678469][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 10.678473][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.678477][ T268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.678482][ T268] __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)) [ 10.678485][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.678490][ T268] ? 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) [ 10.678492][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.678498][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 10.678501][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.678505][ T268] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.678510][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.678513][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678519][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.678522][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678528][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.678531][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.678535][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678537][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.678541][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.678545][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.678546][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678551][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.678554][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.678555][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678557][ T268] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.678561][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.678562][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.678565][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 10.678568][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.678571][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.678572][ T268] ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1)) [ 10.678577][ T268] _printk (kernel/printk/printk.c:2504) [ 10.678580][ T268] ? snapshot_read.cold (user.c:?) [ 10.678584][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.678586][ T268] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.678589][ T268] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.678592][ T268] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.678594][ T268] ? netdev_notice (net/core/dev.c:13194) [ 10.678599][ T268] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.678601][ T268] ? bond_ipsec_del_sa_all (drivers/net/bonding/bond_main.c:603 (discriminator 3)) [ 10.678607][ T268] bond_change_active_slave.cold (drivers/net/bonding/bond_main.c:1301) [ 10.678611][ T268] ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182) [ 10.678612][ T268] ? bond_choose_primary_or_current (drivers/net/bonding/bond_main.c:1102 (discriminator 2)) [ 10.678615][ T268] ? bond_peer_notify_work_rearm (drivers/net/bonding/bond_main.c:1211) [ 10.678618][ T268] ? static_key_slow_inc_cpuslocked (./include/linux/mutex.h:253 kernel/jump_label.c:165 kernel/jump_label.c:151) [ 10.678624][ T268] bond_select_active_slave (drivers/net/bonding/bond_main.c:1379) [ 10.678627][ T268] ? bond_change_active_slave (drivers/net/bonding/bond_main.c:1824) [ 10.678632][ T268] ? static_key_slow_inc (kernel/jump_label.c:192) [ 10.678634][ T268] bond_enslave (drivers/net/bonding/bond_main.c:2298) [ 10.678640][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.678642][ T268] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) [ 10.678644][ T268] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.678646][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678647][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3)) [ 10.678652][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.678659][ T268] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.678662][ T268] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.678667][ T268] do_set_master (net/core/rtnetlink.c:3071) [ 10.678671][ T268] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.678675][ T268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.678679][ T268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.678680][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.678683][ T268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.678686][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.678689][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.678691][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.678693][ T268] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.678695][ T268] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.678697][ T268] ? kasan_save_track (mm/kasan/common.c:78) [ 10.678699][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678701][ T268] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 10.678704][ T268] ? ___sys_sendmsg (net/socket.c:2757) [ 10.678707][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.678709][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.678712][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678714][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.678716][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678717][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678719][ T268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.678721][ T268] ? __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) [ 10.678724][ T268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.678726][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.678730][ T268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.678732][ T268] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.678738][ T268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.678743][ T268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.678749][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.678751][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678756][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.678758][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.678760][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.678762][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.678766][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.678768][ T268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.678772][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.678774][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678778][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.678780][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.678784][ T268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.678785][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.678789][ T268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.678795][ T268] ? 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)) [ 10.678796][ T268] ? 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)) [ 10.678800][ T268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.678804][ T268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.678806][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.678811][ T268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.678814][ T268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.678818][ T268] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.678823][ T268] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.678825][ T268] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.678827][ T268] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.678828][ T268] ? move_addr_to_kernel (net/socket.c:258) [ 10.678835][ T268] ___sys_sendmsg (net/socket.c:2767) [ 10.678838][ T268] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.678853][ T268] __sys_sendmsg (net/socket.c:2799) [ 10.678855][ T268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.678861][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.678864][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.678866][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.678869][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.678871][ T268] RIP: 0033:0x7f421cfd154e [ 10.678875][ T268] 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 [ 10.678877][ T268] RSP: 002b:00007ffdf86471c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.678879][ T268] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f421cfd154e [ 10.678881][ T268] RDX: 0000000000000000 RSI: 00007ffdf8647270 RDI: 0000000000000005 [ 10.678882][ T268] RBP: 00007ffdf86471d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.678882][ T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91679e Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars