====================================== | [ 11.106597][ T173] softirqs last disabled at (112109): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.106599][ T173] Preemption disabled at: | [ 11.106600][ T173] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.106610][ T173] Tainted: [W]=WARN [ 11.106610][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.106612][ T173] Call Trace: [ 11.106614][ T173] [ 11.106615][ T173] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.106620][ T173] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.106622][ T173] __might_resched.cold (kernel/sched/core.c:9234) [ 11.106626][ T173] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.106629][ T173] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.106635][ T173] __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)) [ 11.106637][ T173] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.106644][ T173] ? 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) [ 11.106646][ T173] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.106650][ T173] put_chars (drivers/char/virtio_console.c:1176) [ 11.106653][ T173] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.106654][ T173] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.106658][ T173] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.106661][ T173] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.106668][ T173] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.106671][ T173] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.106676][ T173] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.106679][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.106684][ T173] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.106687][ T173] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.106689][ T173] ? 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)) [ 11.106691][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.106693][ T173] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.106697][ T173] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.106701][ T173] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.106702][ T173] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.106708][ T173] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.106710][ T173] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.106712][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.106713][ T173] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.106717][ T173] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.106719][ T173] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.106722][ T173] vprintk_emit (kernel/printk/printk.c:2479) [ 11.106726][ T173] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.106727][ T173] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.106732][ T173] ? lookup_object_or_alloc.part.0 (lib/debugobjects.c:696) [ 11.106739][ T173] _printk (kernel/printk/printk.c:2504) [ 11.106742][ T173] ? snapshot_read.cold (user.c:?) [ 11.106746][ T173] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 11.106749][ T173] ? __rhashtable_init_noprof (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 lib/rhashtable.c:1224) [ 11.106754][ T173] sctp_init (net/sctp/sm_statetable.c:1037 net/sctp/sm_statetable.c:73) sctp [ 11.106769][ T173] ? sctp_exit (net/sctp/sm_statetable.c:78 (discriminator 7)) sctp [ 11.106776][ T173] do_one_initcall (init/main.c:1357) [ 11.106780][ T173] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.106785][ T173] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.106787][ T173] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.106792][ T173] do_init_module (kernel/module/main.c:3117) [ 11.106795][ T173] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.106798][ T173] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.106800][ T173] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.106804][ T173] load_module (kernel/module/main.c:3593) [ 11.106811][ T173] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.106816][ T173] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.106819][ T173] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.106823][ T173] init_module_from_file (kernel/module/main.c:3790) [ 11.106825][ T173] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 11.106833][ T173] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.106837][ T173] ? 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) [ 11.106840][ T173] idempotent_init_module (kernel/module/main.c:3802) [ 11.106843][ T173] ? init_module_from_file (kernel/module/main.c:3791) [ 11.106849][ T173] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.106851][ T173] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.106856][ T173] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.106857][ T173] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.106861][ T173] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.106863][ T173] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.106866][ T173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.106869][ T173] RIP: 0033:0x7fd6e161637d [ 11.106872][ T173] 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 [ 11.106874][ T173] RSP: 002b:00007ffe56783268 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.106876][ T173] RAX: ffffffffffffffda RBX: 0000563f666019c0 RCX: 00007fd6e161637d [ 11.106877][ T173] RDX: 0000000000000000 RSI: 0000563f44ff1ffd RDI: 0000000000000007 [ 11.106878][ T173] RBP: 00007ffe56783300 R08: 0000000000000000 R09: 0000000000000000 [ 11.106879][ T173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f44ff1ffd [ 11.106880][ T173] R13: 0000563f66601ae0 R14: 0000000000040000 R15: 0000000000000000 | [ 32.373133][ C0] | [ 32.373134][ C0] | [ 32.373134][ C0] stack backtrace: | [ 32.373140][ C0] Tainted: [W]=WARN [ 32.373141][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.373142][ C0] Call Trace: [ 32.373144][ C0] [ 32.373145][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.373148][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 32.373151][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 32.373154][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 32.373156][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 32.373158][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 32.373160][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373162][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 32.373164][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373167][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.373169][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 32.373170][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 32.373171][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 32.373173][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.373174][ C0] ? 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)) [ 32.373176][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373177][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.373179][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.373181][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.373182][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373184][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.373186][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.373187][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373188][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.373190][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.373193][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.373194][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 32.373196][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.373197][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.373200][ C0] _printk (kernel/printk/printk.c:2504) [ 32.373201][ C0] ? snapshot_read.cold (user.c:?) [ 32.373203][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 32.373206][ C0] ? idr_get_free (??:?) [ 32.373208][ C0] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 32.373210][ C0] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 32.373212][ C0] ? reuseport_select_sock (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock_reuseport.c:606 (discriminator 2)) [ 32.373215][ C0] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 32.373217][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373219][ C0] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.373221][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373223][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373225][ C0] ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6)) [ 32.373227][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373229][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.373231][ C0] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.373232][ C0] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.373234][ C0] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 32.373236][ C0] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 32.373238][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 32.373240][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.373242][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.373244][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373245][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 32.373247][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 32.373249][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373251][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 32.373252][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 32.373254][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 32.373256][ C0] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 32.373257][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.373259][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373261][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 32.373262][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 32.373264][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373265][ C0] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 32.373267][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373268][ C0] ? perf_trace_rcu_grace_period_init (./include/trace/events/rcu.h:147 (discriminator 24) ./include/trace/events/rcu.h:147 (discriminator 24)) [ 32.373271][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373273][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 32.373274][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373276][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373278][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 32.373279][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373281][ C0] process_backlog (net/core/dev.c:6728) [ 32.373284][ C0] __napi_poll (net/core/dev.c:7787) [ 32.373286][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 32.373288][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373290][ C0] ? __napi_poll (./include/net/gro.h:507) [ 32.373293][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 32.373297][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.373299][ C0] handle_softirqs (kernel/softirq.c:645) [ 32.373301][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 32.373303][ C0] ? 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) [ 32.373305][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373306][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.373308][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 32.373310][ C0] [ 32.373310][ C0] [ 32.373311][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 32.373313][ C0] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.373316][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 32.373317][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373319][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.373321][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.373323][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373324][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.373326][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 32.373328][ C0] ? neigh_hh_output (./include/net/neighbour.h:525) [ 32.373330][ C0] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 32.373332][ C0] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 32.373334][ C0] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 32.373336][ C0] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 32.373338][ C0] ? ip_finish_output (./include/linux/cgroup.h:915) [ 32.373339][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.373341][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 32.373343][ C0] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 32.373345][ C0] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 32.373347][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 32.373350][ C0] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 32.373352][ C0] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 32.373354][ C0] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 32.373356][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.373358][ C0] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 32.373360][ C0] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 32.373362][ C0] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 32.373364][ C0] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 32.373367][ C0] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 32.373369][ C0] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 32.373371][ C0] ? 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) [ 32.373373][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.373375][ C0] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 32.373377][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.373379][ C0] inet_stream_connect (net/ipv4/af_inet.c:761) [ 32.373381][ C0] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 32.373383][ C0] ? do_fcntl (fs/fcntl.c:477) [ 32.373386][ C0] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 32.373389][ C0] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 32.373391][ C0] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 32.373393][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.373395][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 32.373396][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.373397][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.373399][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.373401][ C0] RIP: 0033:0x7fc97a71c54e [ 32.373404][ C0] 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 [ 32.373406][ C0] RSP: 002b:00007ffeae6c9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 32.373408][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc97a71c54e [ 32.373410][ C0] RDX: 0000000000000010 RSI: 00007ffeae6c9a20 RDI: 0000000000000005 [ 32.373411][ C0] RBP: 00007ffeae6c99a0 R08: 0000000000000000 R09: 0000000000000000 [ 32.373411][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeae6c9b98 [ 32.373412][ C0] R13: 0000000000000005 R14: 00007fc97a8ed000 R15: 0000000000402e00 | [ 32.373430][ C0] softirqs last disabled at (18807): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 32.373431][ C0] Preemption disabled at: | [ 32.373432][ C0] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 32.373437][ C0] Tainted: [W]=WARN [ 32.373437][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.373438][ C0] Call Trace: [ 32.373439][ C0] [ 32.373439][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.373441][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 32.373443][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 32.373445][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.373448][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373449][ C0] __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)) [ 32.373451][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.373453][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.373455][ C0] ? 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) [ 32.373457][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.373459][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 32.373461][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.373464][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.373465][ C0] ? mark_usage (kernel/locking/lockdep.c:4658) [ 32.373467][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 32.373469][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.373471][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373473][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373474][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.373476][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.373478][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.373479][ C0] ? 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)) [ 32.373480][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373482][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.373484][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.373485][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.373487][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373489][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.373490][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.373491][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373493][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.373495][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.373497][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.373498][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 32.373500][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.373501][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.373503][ C0] _printk (kernel/printk/printk.c:2504) [ 32.373505][ C0] ? snapshot_read.cold (user.c:?) [ 32.373507][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 32.373509][ C0] ? idr_get_free (??:?) [ 32.373511][ C0] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 32.373513][ C0] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 32.373515][ C0] ? reuseport_select_sock (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock_reuseport.c:606 (discriminator 2)) [ 32.373517][ C0] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 32.373519][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373520][ C0] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.373522][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373524][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373526][ C0] ? save_trace (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:577 (discriminator 6)) [ 32.373529][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373530][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.373532][ C0] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.373534][ C0] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.373535][ C0] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 32.373537][ C0] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 32.373538][ C0] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 32.373541][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.373542][ C0] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.373544][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373546][ C0] ? ip_local_deliver_finish (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/ipv4/ip_input.c:240 (discriminator 2)) [ 32.373548][ C0] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 32.373550][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373551][ C0] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 32.373553][ C0] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 32.373554][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 32.373556][ C0] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 32.373557][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.373560][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373561][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 32.373567][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 32.373568][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373570][ C0] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 32.373571][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373573][ C0] ? perf_trace_rcu_grace_period_init (./include/trace/events/rcu.h:147 (discriminator 24) ./include/trace/events/rcu.h:147 (discriminator 24)) [ 32.373575][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373576][ C0] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 32.373578][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373580][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.373581][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 32.373583][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373585][ C0] process_backlog (net/core/dev.c:6728) [ 32.373587][ C0] __napi_poll (net/core/dev.c:7787) [ 32.373590][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 32.373592][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.373594][ C0] ? __napi_poll (./include/net/gro.h:507) [ 32.373597][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 32.373599][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.373601][ C0] handle_softirqs (kernel/softirq.c:645) [ 32.373604][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 32.373605][ C0] ? 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) [ 32.373607][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373608][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.373610][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 32.373612][ C0] [ 32.373612][ C0] [ 32.373613][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 32.373615][ C0] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.373618][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 32.373619][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.373621][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.373623][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.373624][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.373626][ C0] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.373627][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 32.373629][ C0] ? neigh_hh_output (./include/net/neighbour.h:525) [ 32.373631][ C0] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 32.373633][ C0] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 32.373634][ C0] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 32.373637][ C0] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 32.373638][ C0] ? ip_finish_output (./include/linux/cgroup.h:915) [ 32.373640][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.373642][ C0] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 32.373643][ C0] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 32.373645][ C0] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 32.373648][ C0] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 32.373650][ C0] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 32.373652][ C0] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 32.373654][ C0] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 32.373656][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.373658][ C0] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 32.373659][ C0] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 32.373661][ C0] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 32.373663][ C0] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 32.373666][ C0] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 32.373668][ C0] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 32.373669][ C0] ? 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) [ 32.373671][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.373673][ C0] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 32.373675][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.373677][ C0] inet_stream_connect (net/ipv4/af_inet.c:761) [ 32.373679][ C0] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 32.373681][ C0] ? do_fcntl (fs/fcntl.c:477) [ 32.373683][ C0] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 32.373686][ C0] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 32.373687][ C0] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 32.373689][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 32.373691][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 32.373692][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.373694][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.373696][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.373697][ C0] RIP: 0033:0x7fc97a71c54e [ 32.373698][ C0] 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 [ 32.373699][ C0] RSP: 002b:00007ffeae6c9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 32.373701][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc97a71c54e [ 32.373701][ C0] RDX: 0000000000000010 RSI: 00007ffeae6c9a20 RDI: 0000000000000005 [ 32.373702][ C0] RBP: 00007ffeae6c99a0 R08: 0000000000000000 R09: 0000000000000000 [ 32.373703][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeae6c9b98 [ 32.373704][ C0] R13: 0000000000000005 R14: 00007fc97a8ed000 R15: 0000000000402e00 | [ 33.586586][ C1] softirqs last disabled at (18807): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 33.586589][ C1] Preemption disabled at: | [ 33.586590][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 33.586600][ C1] Tainted: [W]=WARN [ 33.586601][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.586603][ C1] Call Trace: [ 33.586604][ C1] [ 33.586606][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.586610][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 33.586612][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 33.586616][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.586618][ C1] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 33.586620][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586623][ C1] __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)) [ 33.586627][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.586630][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.586634][ C1] ? 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) [ 33.586636][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.586638][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 33.586640][ C1] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 33.586642][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.586644][ C1] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 33.586646][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.586650][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.586651][ C1] ? 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) [ 33.586653][ C1] ? vsnprintf (lib/vsprintf.c:2900) [ 33.586656][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.586658][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586659][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586662][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.586664][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.586666][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586667][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586668][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586669][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586671][ C1] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.586672][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.586674][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.586676][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.586678][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586679][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.586680][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586681][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.586683][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.586685][ C1] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 33.586686][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.586688][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.586690][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 33.586691][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.586693][ C1] ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123) [ 33.586695][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586696][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586698][ C1] _printk (kernel/printk/printk.c:2504) [ 33.586701][ C1] ? snapshot_read.cold (user.c:?) [ 33.586703][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 33.586705][ C1] ? idr_get_free (??:?) [ 33.586707][ C1] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 33.586711][ C1] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 33.586714][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.586717][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586718][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586720][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.586721][ C1] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 33.586725][ C1] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.586727][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586729][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586731][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586733][ C1] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 33.586734][ C1] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 33.586736][ C1] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 33.586738][ C1] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 33.586740][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 33.586743][ C1] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.586745][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586746][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.586748][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 33.586751][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.586753][ C1] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 33.586754][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.586756][ C1] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 33.586757][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 33.586759][ C1] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 33.586760][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586762][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.586764][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 33.586765][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 33.586766][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586768][ C1] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 33.586770][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 33.586771][ C1] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 33.586773][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 33.586775][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586777][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586778][ C1] process_backlog (net/core/dev.c:6728) [ 33.586781][ C1] __napi_poll (net/core/dev.c:7787) [ 33.586783][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 33.586785][ C1] ? __napi_poll (./include/net/gro.h:507) [ 33.586787][ C1] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 33.586790][ C1] ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:88 (discriminator 3) kernel/locking/spinlock_debug.c:115 (discriminator 3)) [ 33.586792][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586793][ C1] ? timerqueue_linked_add (./include/linux/rbtree.h:239 ./include/linux/rbtree.h:281 lib/timerqueue.c:96) [ 33.586796][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 33.586799][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586801][ C1] handle_softirqs (kernel/softirq.c:645) [ 33.586803][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586804][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 33.586806][ C1] ? 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) [ 33.586808][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586809][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 33.586811][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 33.586812][ C1] [ 33.586813][ C1] [ 33.586814][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 33.586816][ C1] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 33.586818][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 33.586821][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586822][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586823][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586825][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 33.586827][ C1] ? neigh_hh_output (./include/net/neighbour.h:525) [ 33.586830][ C1] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 33.586831][ C1] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:850 ./include/net/ip.h:475) [ 33.586833][ C1] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 33.586835][ C1] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 33.586836][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586838][ C1] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 33.586840][ C1] ? ip_finish_output (./include/linux/cgroup.h:915) [ 33.586841][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586843][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 33.586845][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.586846][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586848][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.586850][ C1] __ip_queue_xmit (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:533 (discriminator 4)) [ 33.586852][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 33.586855][ C1] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 33.586857][ C1] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 33.586859][ C1] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 33.586861][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.586862][ C1] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 33.586864][ C1] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 33.586867][ C1] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 33.586869][ C1] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 33.586872][ C1] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 33.586873][ C1] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 33.586875][ C1] ? 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) [ 33.586877][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.586879][ C1] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 33.586882][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.586883][ C1] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 33.586885][ C1] inet_stream_connect (net/ipv4/af_inet.c:761) [ 33.586887][ C1] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 33.586890][ C1] ? do_fcntl (fs/fcntl.c:477) [ 33.586893][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.586894][ C1] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 33.586897][ C1] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 33.586899][ C1] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 33.586901][ C1] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 33.586902][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.586904][ C1] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.586907][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.586909][ C1] RIP: 0033:0x7fc97a71c54e [ 33.586912][ C1] 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 [ 33.586914][ C1] RSP: 002b:00007ffeae6c9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 33.586917][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc97a71c54e [ 33.586919][ C1] RDX: 0000000000000010 RSI: 00007ffeae6c9a20 RDI: 0000000000000005 [ 33.586920][ C1] RBP: 00007ffeae6c99a0 R08: 0000000000000000 R09: 0000000000000000 [ 33.586920][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeae6c9b98 [ 33.586921][ C1] R13: 0000000000000005 R14: 00007fc97a8ed000 R15: 0000000000402e00 | [ 86.637855][ T997] softirqs last disabled at (0): 0x0 | [ 86.637857][ T997] Preemption disabled at: | [ 86.637857][ T997] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.637868][ T997] Tainted: [W]=WARN [ 86.637869][ T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.637871][ T997] Call Trace: [ 86.637872][ T997] [ 86.637873][ T997] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.637878][ T997] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.637879][ T997] __might_resched.cold (kernel/sched/core.c:9234) [ 86.637883][ T997] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.637885][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637889][ T997] __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)) [ 86.637892][ T997] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.637895][ T997] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.637900][ T997] ? 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) [ 86.637902][ T997] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.637904][ T997] put_chars (drivers/char/virtio_console.c:1176) [ 86.637906][ T997] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.637908][ T997] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 86.637910][ T997] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.637914][ T997] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.637915][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637916][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637918][ T997] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.637920][ T997] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.637922][ T997] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.637924][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637925][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637926][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637927][ T997] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.637929][ T997] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 86.637930][ T997] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.637932][ T997] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.637934][ T997] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.637935][ T997] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.637937][ T997] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.637938][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.637939][ T997] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.637941][ T997] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 86.637942][ T997] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 86.637944][ T997] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.637946][ T997] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.637948][ T997] vprintk_emit (kernel/printk/printk.c:2479) [ 86.637950][ T997] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.637951][ T997] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 86.637956][ T997] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 86.637959][ T997] _printk (kernel/printk/printk.c:2504) [ 86.637962][ T997] ? snapshot_read.cold (user.c:?) [ 86.637964][ T997] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 86.637966][ T997] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 86.637968][ T997] ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021) [ 86.637970][ T997] br_init (bridge.mod.c:?) bridge [ 86.637985][ T997] do_one_initcall (init/main.c:1357) [ 86.637987][ T997] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 86.637990][ T997] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 86.637992][ T997] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 86.637995][ T997] do_init_module (kernel/module/main.c:3117) [ 86.637997][ T997] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 86.637999][ T997] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 86.638001][ T997] load_module (kernel/module/main.c:3593) [ 86.638004][ T997] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 86.638006][ T997] ? backing_file_read_iter (fs/backing-file.c:211) [ 86.638010][ T997] init_module_from_file (kernel/module/main.c:3790) [ 86.638011][ T997] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 86.638013][ T997] ? ovl_mmap (fs/overlayfs/file.c:477) [ 86.638017][ T997] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.638019][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.638021][ T997] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.638022][ T997] ? 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) [ 86.638024][ T997] idempotent_init_module (kernel/module/main.c:3802) [ 86.638026][ T997] ? init_module_from_file (kernel/module/main.c:3791) [ 86.638028][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.638030][ T997] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 86.638032][ T997] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 86.638034][ T997] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.638037][ T997] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 86.638039][ T997] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 86.638041][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 86.638044][ T997] RIP: 0033:0x7fabebd7137d [ 86.638046][ T997] 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 [ 86.638048][ T997] RSP: 002b:00007ffcf0f414c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 86.638051][ T997] RAX: ffffffffffffffda RBX: 00005638c0f11810 RCX: 00007fabebd7137d [ 86.638053][ T997] RDX: 0000000000000000 RSI: 000056388a575ffd RDI: 0000000000000002 [ 86.638053][ T997] RBP: 00007ffcf0f41560 R08: 0000000000000000 R09: 0000000000000000 [ 86.638054][ T997] R10: 0000000000000000 R11: 0000000000000246 R12: 000056388a575ffd [ 86.638055][ T997] R13: 00005638c0f119c0 R14: 0000000000040000 R15: 0000000000000000 | [ 92.541180][ T1021] softirqs last disabled at (0): 0x0 | [ 92.541182][ T1021] Preemption disabled at: | [ 92.541183][ T1021] 0x0 | [ 92.541191][ T1021] Tainted: [W]=WARN [ 92.541192][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.541194][ T1021] Call Trace: [ 92.541195][ T1021] [ 92.541197][ T1021] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.541202][ T1021] __might_resched.cold (kernel/sched/core.c:9234) [ 92.541206][ T1021] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.541208][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.541212][ T1021] __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)) [ 92.541215][ T1021] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.541218][ T1021] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.541222][ T1021] ? 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) [ 92.541224][ T1021] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.541226][ T1021] put_chars (drivers/char/virtio_console.c:1176) [ 92.541228][ T1021] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.541230][ T1021] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 92.541232][ T1021] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.541234][ T1021] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.541238][ T1021] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.541239][ T1021] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.541241][ T1021] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.541244][ T1021] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.541246][ T1021] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.541247][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.541248][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.541250][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.541251][ T1021] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.541253][ T1021] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.541254][ T1021] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.541255][ T1021] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.541257][ T1021] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.541259][ T1021] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.541260][ T1021] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.541261][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.541262][ T1021] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.541264][ T1021] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 92.541265][ T1021] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 92.541267][ T1021] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.541269][ T1021] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.541271][ T1021] vprintk_emit (kernel/printk/printk.c:2479) [ 92.541273][ T1021] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.541274][ T1021] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 92.541276][ T1021] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 92.541278][ T1021] _printk (kernel/printk/printk.c:2504) [ 92.541281][ T1021] ? snapshot_read.cold (user.c:?) [ 92.541283][ T1021] ? 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) [ 92.541284][ T1021] ? 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) [ 92.541286][ T1021] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.541289][ T1021] ? 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) [ 92.541291][ T1021] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 92.541294][ T1021] ? exit_notify (kernel/exit.c:780) [ 92.541295][ T1021] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 92.541298][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.541299][ T1021] do_group_exit (kernel/exit.c:1151) [ 92.541301][ T1021] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 92.541303][ T1021] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 92.541305][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 92.541309][ T1021] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 92.541311][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.541313][ T1021] RIP: 0033:0x7fba88c931b8 [ 92.541315][ T1021] Code: Unable to access opcode bytes at 0x7fba88c9318e. Code starting with the faulting instruction =========================================== [ 92.541316][ T1021] RSP: 002b:00007fffcb0b1ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 92.541319][ T1021] RAX: ffffffffffffffda RBX: 00007fba88dc3f88 RCX: 00007fba88c931b8 [ 92.541321][ T1021] RDX: 00007fba88bd0a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 92.541322][ T1021] RBP: 00007fffcb0b1b10 R08: 0000000000000000 R09: 0000000000000000 [ 92.541322][ T1021] R10: 00007fffcb0b1950 R11: 0000000000000246 R12: 0000000000000001 [ 92.541323][ T1021] R13: 0000000000000000 R14: 00007fba88dc2680 R15: 00007fba88dc3fa0 | [ 98.394515][ T12] softirqs last disabled at (6168): instance_destroy_work (./include/linux/spinlock.h:353 net/netfilter/nfnetlink_queue.c:540 net/netfilter/nfnetlink_queue.c:198) nfnetlink_queue | [ 98.394518][ T12] Preemption disabled at: | [ 98.394518][ T12] 0x0 | [ 98.394528][ T12] Tainted: [W]=WARN [ 98.394529][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 98.394531][ T12] Workqueue: netns cleanup_net [ 98.394538][ T12] Call Trace: [ 98.394540][ T12] [ 98.394541][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 98.394547][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 98.394551][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 98.394554][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394557][ T12] __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)) [ 98.394561][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.394564][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.394568][ T12] ? 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) [ 98.394570][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 98.394572][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 98.394574][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 98.394576][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 98.394578][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 98.394580][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 98.394584][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 98.394586][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.394588][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.394590][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 98.394592][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 98.394594][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394595][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394596][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394597][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.394599][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 98.394600][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 98.394602][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 98.394604][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 98.394605][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.394607][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 98.394608][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394609][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.394611][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 98.394613][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 98.394614][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 98.394617][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 98.394618][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 98.394621][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 98.394623][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394624][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 98.394627][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 98.394629][ T12] _printk (kernel/printk/printk.c:2504) [ 98.394632][ T12] ? snapshot_read.cold (user.c:?) [ 98.394634][ T12] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 98.394638][ T12] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 98.394651][ T12] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 98.394659][ T12] br_device_event (net/bridge/br.c:111) bridge [ 98.394667][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 98.394669][ T12] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 98.394671][ T12] ? nfqnl_dev_drop (./include/linux/rcupdate.h:850 net/netfilter/nfnetlink_queue.c:1533) nfnetlink_queue [ 98.394673][ T12] ? nfqnl_dev_drop (net/netfilter/nfnetlink_queue.c:541 net/netfilter/nfnetlink_queue.c:1540) nfnetlink_queue [ 98.394675][ T12] notifier_call_chain (kernel/notifier.c:85) [ 98.394679][ T12] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 98.394682][ T12] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 98.394684][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.394686][ T12] ? __dev_close_many (net/core/dev.c:1804) [ 98.394688][ T12] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 98.394690][ T12] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 98.394693][ T12] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 98.394695][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 98.394697][ T12] ? kthread (kernel/kthread.c:436) [ 98.394699][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 98.394702][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 98.394705][ T12] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 98.394707][ T12] ? get_rps_cpu (net/core/dev.c:5240) [ 98.394709][ T12] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 98.394712][ T12] ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3)) [ 98.394714][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 98.394715][ T12] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 98.394718][ T12] ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1)) [ 98.394720][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 98.394723][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 98.394725][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 98.394726][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 98.394729][ T12] cleanup_net (net/core/net_namespace.c:706) [ 98.394731][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 98.394732][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 98.394735][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 98.394736][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 98.394744][ T12] process_one_work (kernel/workqueue.c:3387) [ 98.394746][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 98.394748][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 98.394750][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 98.394752][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 98.394755][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 98.394756][ T12] kthread (kernel/kthread.c:436) [ 98.394757][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 98.394759][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 98.394761][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 98.394763][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 98.394765][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 98.394767][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record instance_destroy_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable