====================================== | [ 10.424889][ T175] softirqs last disabled at (90097): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.424892][ T175] Preemption disabled at: | [ 10.424892][ T175] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.424901][ T175] Tainted: [W]=WARN [ 10.424902][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.424903][ T175] Call Trace: [ 10.424905][ T175] [ 10.424906][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.424911][ T175] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.424913][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 10.424918][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.424921][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.424926][ T175] __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)) [ 10.424928][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.424934][ T175] ? 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) [ 10.424937][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.424940][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 10.424943][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.424945][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.424949][ T175] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.424951][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.424956][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.424959][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.424965][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.424967][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.424972][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.424976][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.424977][ T175] ? 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)) [ 10.424979][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.424981][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.424985][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.424989][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.424990][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.424995][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.424998][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.424999][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.425001][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.425004][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.425006][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.425009][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 10.425012][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.425014][ T175] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.425019][ T175] ? lookup_object_or_alloc.part.0 (lib/debugobjects.c:696) [ 10.425025][ T175] _printk (kernel/printk/printk.c:2504) [ 10.425028][ T175] ? snapshot_read.cold (user.c:?) [ 10.425032][ T175] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 10.425035][ T175] ? __rhashtable_init_noprof (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 lib/rhashtable.c:1224) [ 10.425040][ T175] sctp_init (net/sctp/sm_statetable.c:1037 net/sctp/sm_statetable.c:73) sctp [ 10.425054][ T175] ? sctp_exit (net/sctp/sm_statetable.c:78 (discriminator 6)) sctp [ 10.425061][ T175] do_one_initcall (init/main.c:1357) [ 10.425064][ T175] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.425069][ T175] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.425072][ T175] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.425076][ T175] do_init_module (kernel/module/main.c:3117) [ 10.425080][ T175] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.425082][ T175] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.425085][ T175] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.425089][ T175] load_module (kernel/module/main.c:3593) [ 10.425096][ T175] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.425100][ T175] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.425104][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.425107][ T175] init_module_from_file (kernel/module/main.c:3790) [ 10.425110][ T175] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 10.425117][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.425124][ T175] ? 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) [ 10.425127][ T175] idempotent_init_module (kernel/module/main.c:3802) [ 10.425130][ T175] ? init_module_from_file (kernel/module/main.c:3791) [ 10.425136][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.425137][ T175] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.425142][ T175] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.425144][ T175] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.425148][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.425150][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.425153][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.425156][ T175] RIP: 0033:0x7f64ea73537d [ 10.425160][ T175] 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 [ 10.425162][ T175] RSP: 002b:00007ffe3ac96168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.425164][ T175] RAX: ffffffffffffffda RBX: 000055c012da19c0 RCX: 00007f64ea73537d [ 10.425166][ T175] RDX: 0000000000000000 RSI: 000055c00d55fffd RDI: 0000000000000007 [ 10.425167][ T175] RBP: 00007ffe3ac96200 R08: 0000000000000000 R09: 0000000000000000 [ 10.425168][ T175] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c00d55fffd [ 10.425168][ T175] R13: 000055c012da1ae0 R14: 0000000000040000 R15: 0000000000000000 | [ 30.941756][ C3] | [ 30.941756][ C3] | [ 30.941756][ C3] stack backtrace: | [ 30.941762][ C3] Tainted: [W]=WARN [ 30.941763][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.941765][ C3] Call Trace: [ 30.941766][ C3] [ 30.941767][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.941770][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 30.941773][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 30.941776][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 30.941778][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 30.941780][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 30.941782][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.941784][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 30.941786][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941788][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.941790][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 30.941792][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 30.941793][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 30.941794][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.941795][ C3] ? 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)) [ 30.941797][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941798][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.941800][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.941802][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.941803][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.941805][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.941807][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.941808][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941809][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.941811][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.941813][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.941815][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 30.941816][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.941818][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.941820][ C3] _printk (kernel/printk/printk.c:2504) [ 30.941822][ C3] ? snapshot_read.cold (user.c:?) [ 30.941823][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 30.941826][ C3] ? idr_get_free (??:?) [ 30.941828][ C3] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 30.941830][ C3] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 30.941832][ C3] ? 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)) [ 30.941835][ C3] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 30.941837][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.941839][ C3] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.941841][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.941843][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.941844][ C3] ? 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)) [ 30.941847][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941848][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.941850][ C3] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 30.941852][ C3] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 30.941853][ C3] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 30.941855][ C3] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 30.941856][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 30.941859][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.941860][ C3] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.941862][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.941864][ C3] ? 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)) [ 30.941866][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 30.941867][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.941869][ C3] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 30.941871][ C3] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 30.941872][ C3] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 30.941874][ C3] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 30.941875][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.941877][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.941878][ C3] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 30.941880][ C3] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 30.941881][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941883][ C3] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 30.941884][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.941886][ C3] ? perf_trace_rcu_grace_period_init (./include/trace/events/rcu.h:147 (discriminator 24) ./include/trace/events/rcu.h:147 (discriminator 24)) [ 30.941888][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.941890][ C3] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 30.941891][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.941893][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.941895][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 30.941896][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941898][ C3] process_backlog (net/core/dev.c:6728) [ 30.941901][ C3] __napi_poll (net/core/dev.c:7787) [ 30.941902][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 30.941905][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.941906][ C3] ? __napi_poll (./include/net/gro.h:507) [ 30.941910][ C3] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 30.941913][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.941915][ C3] handle_softirqs (kernel/softirq.c:645) [ 30.941917][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 30.941919][ C3] ? 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) [ 30.941921][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941922][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 30.941924][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 30.941925][ C3] [ 30.941926][ C3] [ 30.941926][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 30.941928][ C3] __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)) [ 30.941931][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 30.941933][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.941934][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.941936][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.941944][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.941946][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.941948][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 30.941950][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 30.941952][ C3] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 30.941954][ C3] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 30.941956][ C3] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 30.941958][ C3] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 30.941959][ C3] ? ip_finish_output (./include/linux/cgroup.h:915) [ 30.941961][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.941963][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 30.941964][ C3] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 30.941966][ C3] __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)) [ 30.941968][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 30.941971][ C3] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 30.941973][ C3] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 30.941975][ C3] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 30.941977][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.941979][ C3] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 30.941980][ C3] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 30.941983][ C3] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 30.941985][ C3] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 30.941987][ C3] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 30.941990][ C3] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 30.941991][ C3] ? 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) [ 30.941993][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.941995][ C3] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 30.941997][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.941999][ C3] inet_stream_connect (net/ipv4/af_inet.c:761) [ 30.942001][ C3] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 30.942002][ C3] ? do_fcntl (fs/fcntl.c:477) [ 30.942005][ C3] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 30.942008][ C3] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 30.942010][ C3] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 30.942012][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.942014][ C3] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 30.942015][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.942016][ C3] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.942018][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.942020][ C3] RIP: 0033:0x7f74200e054e [ 30.942023][ C3] 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 [ 30.942025][ C3] RSP: 002b:00007ffdcea2d7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 30.942027][ C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74200e054e [ 30.942028][ C3] RDX: 0000000000000010 RSI: 00007ffdcea2d840 RDI: 0000000000000005 [ 30.942029][ C3] RBP: 00007ffdcea2d7c0 R08: 0000000000000000 R09: 0000000000000000 [ 30.942030][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcea2d9b8 [ 30.942031][ C3] R13: 0000000000000005 R14: 00007f74202b1000 R15: 0000000000402e00 | [ 30.942048][ C3] softirqs last disabled at (72479): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 30.942050][ C3] Preemption disabled at: | [ 30.942051][ C3] __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)) | [ 30.942055][ C3] Tainted: [W]=WARN [ 30.942056][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.942056][ C3] Call Trace: [ 30.942057][ C3] [ 30.942057][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.942059][ C3] ? __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)) [ 30.942061][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 30.942063][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.942066][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942067][ C3] __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)) [ 30.942069][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.942071][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.942073][ C3] ? 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) [ 30.942074][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.942076][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 30.942078][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.942081][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.942083][ C3] ? mark_usage (kernel/locking/lockdep.c:4658) [ 30.942085][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 30.942087][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.942088][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.942090][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942091][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.942093][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.942095][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.942096][ C3] ? 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)) [ 30.942097][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942099][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.942101][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.942102][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.942103][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.942106][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.942107][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.942108][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942109][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.942111][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.942113][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.942115][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 30.942116][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.942117][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.942122][ C3] _printk (kernel/printk/printk.c:2504) [ 30.942123][ C3] ? snapshot_read.cold (user.c:?) [ 30.942125][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 30.942127][ C3] ? idr_get_free (??:?) [ 30.942129][ C3] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 30.942131][ C3] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 30.942133][ C3] ? 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)) [ 30.942135][ C3] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 30.942137][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.942138][ C3] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.942140][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.942142][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.942144][ C3] ? 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)) [ 30.942146][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942147][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.942149][ C3] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 30.942151][ C3] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 30.942153][ C3] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 30.942155][ C3] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 30.942157][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 30.942160][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.942161][ C3] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.942163][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.942165][ C3] ? 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)) [ 30.942167][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 30.942168][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.942170][ C3] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 30.942171][ C3] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 30.942173][ C3] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 30.942174][ C3] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 30.942176][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.942178][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.942179][ C3] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 30.942181][ C3] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 30.942182][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942183][ C3] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 30.942185][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.942186][ C3] ? perf_trace_rcu_grace_period_init (./include/trace/events/rcu.h:147 (discriminator 24) ./include/trace/events/rcu.h:147 (discriminator 24)) [ 30.942188][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.942189][ C3] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 30.942191][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.942193][ C3] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 30.942194][ C3] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 30.942196][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942198][ C3] process_backlog (net/core/dev.c:6728) [ 30.942200][ C3] __napi_poll (net/core/dev.c:7787) [ 30.942202][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 30.942204][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.942206][ C3] ? __napi_poll (./include/net/gro.h:507) [ 30.942209][ C3] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 30.942211][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.942213][ C3] handle_softirqs (kernel/softirq.c:645) [ 30.942215][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 30.942217][ C3] ? 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) [ 30.942219][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942220][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 30.942222][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 30.942223][ C3] [ 30.942224][ C3] [ 30.942224][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 30.942226][ C3] __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)) [ 30.942229][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 30.942230][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.942232][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.942234][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.942235][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.942236][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.942238][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 30.942239][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 30.942241][ C3] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 30.942243][ C3] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 30.942245][ C3] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 30.942247][ C3] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 30.942249][ C3] ? ip_finish_output (./include/linux/cgroup.h:915) [ 30.942250][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.942252][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 30.942253][ C3] ? ip4_dst_hoplimit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/route.h:397 (discriminator 2)) [ 30.942255][ C3] __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)) [ 30.942257][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 30.942260][ C3] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 30.942261][ C3] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 30.942263][ C3] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 30.942265][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.942267][ C3] ? ktime_get (./include/linux/seqlock.h:75 (discriminator 6) kernel/time/timekeeping.c:1002 (discriminator 6)) [ 30.942268][ C3] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 30.942270][ C3] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 30.942272][ C3] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 30.942274][ C3] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 30.942276][ C3] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 30.942278][ C3] ? 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) [ 30.942279][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.942281][ C3] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 30.942283][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.942285][ C3] inet_stream_connect (net/ipv4/af_inet.c:761) [ 30.942287][ C3] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 30.942289][ C3] ? do_fcntl (fs/fcntl.c:477) [ 30.942291][ C3] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 30.942293][ C3] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 30.942295][ C3] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 30.942297][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.942298][ C3] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 30.942299][ C3] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.942301][ C3] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.942303][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.942304][ C3] RIP: 0033:0x7f74200e054e [ 30.942305][ C3] 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 [ 30.942306][ C3] RSP: 002b:00007ffdcea2d7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 30.942307][ C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74200e054e [ 30.942308][ C3] RDX: 0000000000000010 RSI: 00007ffdcea2d840 RDI: 0000000000000005 [ 30.942309][ C3] RBP: 00007ffdcea2d7c0 R08: 0000000000000000 R09: 0000000000000000 [ 30.942310][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcea2d9b8 [ 30.942310][ C3] R13: 0000000000000005 R14: 00007f74202b1000 R15: 0000000000402e00 | [ 32.256976][ C2] softirqs last disabled at (72479): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 32.256980][ C2] Preemption disabled at: | [ 32.256981][ C2] __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)) | [ 32.256991][ C2] Tainted: [W]=WARN [ 32.256991][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.256993][ C2] Call Trace: [ 32.256995][ C2] [ 32.256996][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.257001][ C2] ? __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)) [ 32.257003][ C2] __might_resched.cold (kernel/sched/core.c:9234) [ 32.257007][ C2] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.257009][ C2] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 32.257011][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257014][ C2] __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)) [ 32.257017][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.257020][ C2] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.257024][ C2] ? 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) [ 32.257026][ C2] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.257028][ C2] put_chars (drivers/char/virtio_console.c:1176) [ 32.257030][ C2] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.257031][ C2] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.257033][ C2] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.257035][ C2] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.257039][ C2] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.257041][ C2] ? 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) [ 32.257042][ C2] ? vsnprintf (lib/vsprintf.c:2900) [ 32.257046][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.257048][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257049][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257051][ C2] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.257054][ C2] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.257055][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257056][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257057][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257058][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257060][ C2] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.257061][ C2] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.257063][ C2] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.257065][ C2] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.257066][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257068][ C2] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.257069][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257070][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.257072][ C2] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.257073][ C2] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.257075][ C2] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.257076][ C2] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.257078][ C2] vprintk_emit (kernel/printk/printk.c:2479) [ 32.257079][ C2] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.257081][ C2] ? 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) [ 32.257083][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257084][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257086][ C2] _printk (kernel/printk/printk.c:2504) [ 32.257089][ C2] ? snapshot_read.cold (user.c:?) [ 32.257090][ C2] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 32.257093][ C2] ? idr_get_free (??:?) [ 32.257094][ C2] tcp_syn_flood_action.cold (net/ipv4/tcp_input.c:7562 (discriminator 3)) [ 32.257098][ C2] tcp_conn_request (net/ipv4/tcp_input.c:7659) [ 32.257101][ C2] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 32.257104][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257106][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257107][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.257109][ C2] ? reuseport_select_sock (net/core/sock_reuseport.c:586 (discriminator 3)) [ 32.257112][ C2] ? tcp_get_syncookie_mss (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.257114][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257116][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257117][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257121][ C2] ? tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.257123][ C2] tcp_rcv_listen_state_process (net/ipv4/tcp_input.c:7167) [ 32.257125][ C2] tcp_v4_rcv_listen.constprop.0.isra.0 (net/ipv4/tcp_ipv4.c:1930) [ 32.257127][ C2] ? tcp_v4_fill_cb (net/ipv4/tcp_ipv4.c:2099) [ 32.257129][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2286) [ 32.257131][ C2] ? tcp_add_backlog (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.257134][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257135][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.257137][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207) [ 32.257140][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.257141][ C2] ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1)) [ 32.257142][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.257144][ C2] ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262) [ 32.257146][ C2] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 32.257147][ C2] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:213 (discriminator 42)) [ 32.257148][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257150][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.257152][ C2] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 32.257153][ C2] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 32.257155][ C2] ? __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)) [ 32.257156][ C2] ? ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 32.257158][ C2] ? ip_rcv_finish_core (net/ipv4/ip_input.c:390 (discriminator 3)) [ 32.257159][ C2] ? trace_pelt_se_tp (./include/trace/events/sched.h:853 (discriminator 22)) [ 32.257162][ C2] ? 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) [ 32.257164][ C2] ? __update_load_avg_se (kernel/sched/pelt.c:314) [ 32.257166][ C2] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 32.257168][ C2] __netif_receive_skb_one_core (net/core/dev.c:6264) [ 32.257170][ C2] ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687) [ 32.257172][ C2] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 32.257173][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257175][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257176][ C2] process_backlog (net/core/dev.c:6728) [ 32.257178][ C2] __napi_poll (net/core/dev.c:7787) [ 32.257180][ C2] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 32.257183][ C2] ? __napi_poll (./include/net/gro.h:507) [ 32.257185][ C2] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 32.257188][ C2] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 32.257191][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257192][ C2] handle_softirqs (kernel/softirq.c:645) [ 32.257194][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257196][ C2] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 32.257197][ C2] ? 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) [ 32.257199][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257200][ C2] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 32.257202][ C2] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 32.257203][ C2] [ 32.257204][ C2] [ 32.257204][ C2] __local_bh_enable_ip (kernel/softirq.c:473) [ 32.257206][ C2] __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)) [ 32.257209][ C2] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 32.257211][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257212][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257214][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257215][ C2] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 32.257218][ C2] ? neigh_hh_output (./include/net/neighbour.h:525) [ 32.257220][ C2] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 32.257221][ C2] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:850 ./include/net/ip.h:475) [ 32.257223][ C2] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 32.257224][ C2] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 32.257226][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257228][ C2] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 32.257229][ C2] ? ip_finish_output (./include/linux/cgroup.h:915) [ 32.257231][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257232][ C2] ? __ip_finish_output (./include/linux/skbuff.h:1165) [ 32.257234][ C2] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.257236][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257237][ C2] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.257239][ C2] __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)) [ 32.257241][ C2] __tcp_transmit_skb (net/ipv4/tcp_output.c:1716) [ 32.257244][ C2] ? tcp_call_bpf (./include/net/tcp.h:2911) [ 32.257245][ C2] ? tcp_clone_payload (./include/linux/skbuff.h:1725) [ 32.257247][ C2] ? __tcp_select_window (./arch/x86/include/asm/atomic.h:23) [ 32.257249][ C2] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.257252][ C2] ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1)) [ 32.257253][ C2] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 32.257255][ C2] tcp_connect (net/ipv4/tcp_output.c:1734 net/ipv4/tcp_output.c:4383) [ 32.257258][ C2] tcp_v4_connect (net/ipv4/tcp_ipv4.c:345) [ 32.257260][ C2] ? established_get_first (net/ipv4/tcp_ipv4.c:2614 (discriminator 1)) [ 32.257262][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989) [ 32.257263][ C2] ? 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) [ 32.257265][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.257267][ C2] __inet_stream_connect (net/ipv4/af_inet.c:690) [ 32.257270][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.257271][ C2] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 32.257273][ C2] inet_stream_connect (net/ipv4/af_inet.c:761) [ 32.257275][ C2] __sys_connect (net/socket.c:2141 (discriminator 3) net/socket.c:2166 (discriminator 3) net/socket.c:2183 (discriminator 3)) [ 32.257278][ C2] ? do_fcntl (fs/fcntl.c:477) [ 32.257281][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.257282][ C2] ? __sys_connect_file (net/socket.c:2141 (discriminator 3)) [ 32.257285][ C2] ? fdget_raw (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1214) [ 32.257287][ C2] __x64_sys_connect (net/socket.c:2189 net/socket.c:2186 net/socket.c:2186) [ 32.257289][ C2] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.257290][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.257292][ C2] ? irq_exit_rcu (kernel/softirq.c:786) [ 32.257294][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.257296][ C2] RIP: 0033:0x7f74200e054e [ 32.257299][ C2] 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 [ 32.257301][ C2] RSP: 002b:00007ffdcea2d7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 32.257305][ C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f74200e054e [ 32.257307][ C2] RDX: 0000000000000010 RSI: 00007ffdcea2d840 RDI: 0000000000000005 [ 32.257307][ C2] RBP: 00007ffdcea2d7c0 R08: 0000000000000000 R09: 0000000000000000 [ 32.257308][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdcea2d9b8 [ 32.257309][ C2] R13: 0000000000000005 R14: 00007f74202b1000 R15: 0000000000402e00 | [ 85.405305][ T983] softirqs last disabled at (0): 0x0 | [ 85.405307][ T983] Preemption disabled at: | [ 85.405307][ T983] vprintk_emit (kernel/printk/printk.c:2471) | [ 85.405318][ T983] Tainted: [W]=WARN [ 85.405319][ T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.405321][ T983] Call Trace: [ 85.405322][ T983] [ 85.405323][ T983] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.405327][ T983] ? vprintk_emit (kernel/printk/printk.c:2471) [ 85.405329][ T983] __might_resched.cold (kernel/sched/core.c:9234) [ 85.405332][ T983] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.405334][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405337][ T983] __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)) [ 85.405341][ T983] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.405344][ T983] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.405348][ T983] ? 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) [ 85.405350][ T983] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.405352][ T983] put_chars (drivers/char/virtio_console.c:1176) [ 85.405354][ T983] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.405356][ T983] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 85.405358][ T983] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.405362][ T983] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.405363][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405364][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405366][ T983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.405368][ T983] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.405370][ T983] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.405372][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405373][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405374][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405375][ T983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.405377][ T983] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 85.405378][ T983] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.405380][ T983] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.405382][ T983] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.405383][ T983] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.405385][ T983] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.405386][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405387][ T983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 85.405388][ T983] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 85.405390][ T983] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 85.405391][ T983] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.405394][ T983] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.405395][ T983] vprintk_emit (kernel/printk/printk.c:2479) [ 85.405397][ T983] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.405399][ T983] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 85.405404][ T983] ? 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 [ 85.405408][ T983] _printk (kernel/printk/printk.c:2504) [ 85.405412][ T983] ? snapshot_read.cold (user.c:?) [ 85.405413][ T983] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 85.405416][ T983] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 85.405418][ T983] ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021) [ 85.405420][ T983] br_init (bridge.mod.c:?) bridge [ 85.405432][ T983] do_one_initcall (init/main.c:1357) [ 85.405435][ T983] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 85.405437][ T983] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 85.405440][ T983] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 85.405443][ T983] do_init_module (kernel/module/main.c:3117) [ 85.405445][ T983] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 85.405446][ T983] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 85.405448][ T983] load_module (kernel/module/main.c:3593) [ 85.405451][ T983] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 85.405453][ T983] ? backing_file_read_iter (fs/backing-file.c:211) [ 85.405457][ T983] init_module_from_file (kernel/module/main.c:3790) [ 85.405458][ T983] ? __ia32_sys_init_module (kernel/module/main.c:3647) [ 85.405460][ T983] ? ovl_mmap (fs/overlayfs/file.c:477) [ 85.405465][ T983] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.405466][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405468][ T983] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 85.405469][ T983] ? 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) [ 85.405471][ T983] idempotent_init_module (kernel/module/main.c:3802) [ 85.405473][ T983] ? init_module_from_file (kernel/module/main.c:3791) [ 85.405475][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.405477][ T983] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 85.405479][ T983] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 85.405481][ T983] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.405484][ T983] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 85.405486][ T983] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 85.405488][ T983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 85.405490][ T983] RIP: 0033:0x7fda3c7d137d [ 85.405492][ T983] 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 [ 85.405494][ T983] RSP: 002b:00007ffc430893b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 85.405497][ T983] RAX: ffffffffffffffda RBX: 0000562d00ef2810 RCX: 00007fda3c7d137d [ 85.405499][ T983] RDX: 0000000000000000 RSI: 0000562cc1c77ffd RDI: 0000000000000002 [ 85.405500][ T983] RBP: 00007ffc43089450 R08: 0000000000000000 R09: 0000000000000000 [ 85.405500][ T983] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562cc1c77ffd [ 85.405501][ T983] R13: 0000562d00ef29c0 R14: 0000000000040000 R15: 0000000000000000 | [ 91.514080][ T1007] softirqs last disabled at (0): 0x0 | [ 91.514082][ T1007] Preemption disabled at: | [ 91.514083][ T1007] 0x0 | [ 91.514092][ T1007] Tainted: [W]=WARN [ 91.514093][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.514094][ T1007] Call Trace: [ 91.514096][ T1007] [ 91.514097][ T1007] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 91.514102][ T1007] __might_resched.cold (kernel/sched/core.c:9234) [ 91.514106][ T1007] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.514108][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.514112][ T1007] __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)) [ 91.514115][ T1007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.514121][ T1007] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.514125][ T1007] ? 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) [ 91.514127][ T1007] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.514130][ T1007] put_chars (drivers/char/virtio_console.c:1176) [ 91.514132][ T1007] ? __send_to_port (drivers/char/virtio_console.c:654) [ 91.514134][ T1007] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 91.514137][ T1007] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 91.514139][ T1007] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 91.514144][ T1007] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 91.514145][ T1007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.514148][ T1007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.514151][ T1007] console_emit_next_record (kernel/printk/printk.c:3183) [ 91.514154][ T1007] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 91.514155][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.514156][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.514157][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.514164][ T1007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.514166][ T1007] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 91.514167][ T1007] console_flush_one_record (kernel/printk/printk.c:3268) [ 91.514169][ T1007] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 91.514171][ T1007] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 91.514172][ T1007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.514174][ T1007] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 91.514175][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.514177][ T1007] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 91.514178][ T1007] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 91.514180][ T1007] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 91.514182][ T1007] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 91.514184][ T1007] ? vprintk_emit (kernel/printk/printk.c:2478) [ 91.514186][ T1007] vprintk_emit (kernel/printk/printk.c:2479) [ 91.514187][ T1007] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 91.514189][ T1007] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 91.514191][ T1007] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 91.514193][ T1007] _printk (kernel/printk/printk.c:2504) [ 91.514196][ T1007] ? snapshot_read.cold (user.c:?) [ 91.514198][ T1007] ? 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) [ 91.514200][ T1007] ? 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) [ 91.514202][ T1007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 91.514205][ T1007] ? 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) [ 91.514207][ T1007] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 91.514210][ T1007] ? exit_notify (kernel/exit.c:780) [ 91.514212][ T1007] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 91.514214][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.514216][ T1007] do_group_exit (kernel/exit.c:1151) [ 91.514218][ T1007] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 91.514220][ T1007] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 91.514222][ T1007] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 91.514226][ T1007] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 91.514228][ T1007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 91.514230][ T1007] RIP: 0033:0x7fab4aa3c1b8 [ 91.514232][ T1007] Code: Unable to access opcode bytes at 0x7fab4aa3c18e. Code starting with the faulting instruction =========================================== [ 91.514233][ T1007] RSP: 002b:00007ffc77a51738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.514236][ T1007] RAX: ffffffffffffffda RBX: 00007fab4ab6cf88 RCX: 00007fab4aa3c1b8 [ 91.514238][ T1007] RDX: 00007fab4a979a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 91.514239][ T1007] RBP: 00007ffc77a51790 R08: 0000000000000000 R09: 0000000000000000 [ 91.514240][ T1007] R10: 00007ffc77a515d0 R11: 0000000000000246 R12: 0000000000000001 [ 91.514240][ T1007] R13: 0000000000000000 R14: 00007fab4ab6b680 R15: 00007fab4ab6cfa0 | [ 97.140774][ T1026] softirqs last disabled at (0): 0x0 | [ 97.140776][ T1026] Preemption disabled at: | [ 97.140777][ T1026] 0x0 | [ 97.140785][ T1026] Tainted: [W]=WARN [ 97.140786][ T1026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.140788][ T1026] Call Trace: [ 97.140789][ T1026] [ 97.140790][ T1026] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 97.140795][ T1026] __might_resched.cold (kernel/sched/core.c:9234) [ 97.140799][ T1026] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 97.140802][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.140805][ T1026] __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)) [ 97.140808][ T1026] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.140811][ T1026] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.140815][ T1026] ? 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) [ 97.140817][ T1026] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.140819][ T1026] put_chars (drivers/char/virtio_console.c:1176) [ 97.140821][ T1026] ? __send_to_port (drivers/char/virtio_console.c:654) [ 97.140822][ T1026] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 97.140824][ T1026] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 97.140826][ T1026] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 97.140830][ T1026] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 97.140831][ T1026] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.140833][ T1026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.140836][ T1026] console_emit_next_record (kernel/printk/printk.c:3183) [ 97.140838][ T1026] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 97.140839][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.140840][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.140841][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.140843][ T1026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.140845][ T1026] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 97.140846][ T1026] console_flush_one_record (kernel/printk/printk.c:3268) [ 97.140847][ T1026] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 97.140849][ T1026] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 97.140851][ T1026] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.140852][ T1026] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 97.140853][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.140855][ T1026] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.140856][ T1026] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 97.140858][ T1026] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 97.140859][ T1026] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 97.140862][ T1026] ? vprintk_emit (kernel/printk/printk.c:2478) [ 97.140863][ T1026] vprintk_emit (kernel/printk/printk.c:2479) [ 97.140865][ T1026] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 97.140866][ T1026] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 97.140868][ T1026] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 97.140870][ T1026] _printk (kernel/printk/printk.c:2504) [ 97.140873][ T1026] ? snapshot_read.cold (user.c:?) [ 97.140875][ T1026] ? 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) [ 97.140876][ T1026] ? 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) [ 97.140878][ T1026] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.140881][ T1026] ? 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) [ 97.140882][ T1026] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 97.140885][ T1026] ? exit_notify (kernel/exit.c:780) [ 97.140887][ T1026] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 97.140889][ T1026] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.140891][ T1026] do_group_exit (kernel/exit.c:1151) [ 97.140893][ T1026] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 97.140894][ T1026] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 97.140897][ T1026] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.140900][ T1026] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 97.140902][ T1026] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.140904][ T1026] RIP: 0033:0x7f76fab221b8 [ 97.140906][ T1026] Code: Unable to access opcode bytes at 0x7f76fab2218e. Code starting with the faulting instruction =========================================== [ 97.140907][ T1026] RSP: 002b:00007fffbad4d968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 97.140910][ T1026] RAX: ffffffffffffffda RBX: 00007f76fac52f88 RCX: 00007f76fab221b8 [ 97.140912][ T1026] RDX: 00007f76faa5fa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 97.140913][ T1026] RBP: 00007fffbad4d9c0 R08: 0000000000000000 R09: 0000000000000000 [ 97.140914][ T1026] R10: 00007fffbad4d800 R11: 0000000000000246 R12: 0000000000000001 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 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