====================================== | [ 9.727344][ T203] softirqs last disabled at (19457): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.727346][ T203] Preemption disabled at: | [ 9.727347][ T203] 0x0 | [ 9.727356][ T203] Tainted: [W]=WARN [ 9.727357][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.727359][ T203] Call Trace: [ 9.727360][ T203] [ 9.727362][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.727368][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 9.727372][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.727376][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.727381][ T203] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.727382][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.727389][ T203] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.727392][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.727395][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 9.727398][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.727399][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.727402][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.727408][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.727415][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.727418][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.727420][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.727424][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.727428][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.727429][ T203] ? 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)) [ 9.727433][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.727434][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.727438][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.727442][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.727444][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.727449][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.727452][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.727454][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.727456][ T203] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.727460][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.727463][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.727466][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 9.727469][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.727472][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.727476][ T203] _printk (kernel/printk/printk.c:2504) [ 9.727479][ T203] ? snapshot_read.cold (user.c:?) [ 9.727482][ T203] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.727485][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.727489][ T203] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.727491][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.727495][ T203] ? exit_notify (kernel/exit.c:780) [ 9.727496][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.727499][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.727502][ T203] do_group_exit (kernel/exit.c:1151) [ 9.727505][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.727507][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.727509][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.727513][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.727516][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.727518][ T203] RIP: 0033:0x7f35c91411b8 [ 9.727520][ T203] Code: Unable to access opcode bytes at 0x7f35c914118e. Code starting with the faulting instruction =========================================== [ 9.727521][ T203] RSP: 002b:00007ffe721a0a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.727524][ T203] RAX: ffffffffffffffda RBX: 00007f35c9271f88 RCX: 00007f35c91411b8 [ 9.727525][ T203] RDX: 00007f35c8e8bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.727526][ T203] RBP: 00007ffe721a0a60 R08: 0000000000000000 R09: 0000000000000050 [ 9.727527][ T203] R10: 00007ffe721a0820 R11: 0000000000000246 R12: 0000000000000001 [ 9.727527][ T203] R13: 0000000000000000 R14: 00007f35c9270680 R15: 00007f35c9271fa0 | [ 15.400736][ C1] | [ 15.400737][ C1] | [ 15.400737][ C1] stack backtrace: | [ 15.400742][ C1] Tainted: [W]=WARN [ 15.400743][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.400744][ C1] Call Trace: [ 15.400745][ C1] [ 15.400747][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.400751][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 15.400753][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 15.400756][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 15.400758][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 15.400760][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.400762][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.400763][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.400766][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400768][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.400770][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.400771][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.400773][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.400775][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.400777][ C1] ? 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)) [ 15.400779][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400780][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.400782][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.400784][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.400785][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.400788][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.400789][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.400791][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400792][ C1] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 15.400794][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.400796][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.400797][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 15.400798][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.400800][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.400802][ C1] _printk (kernel/printk/printk.c:2504) [ 15.400804][ C1] ? snapshot_read.cold (user.c:?) [ 15.400805][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.400808][ C1] ? idr_get_free (??:?) [ 15.400810][ C1] ip_frag_reasm.constprop.0.cold (net/ipv4/ip_fragment.c:463 (discriminator 3)) [ 15.400812][ C1] ip_frag_queue (net/ipv4/ip_fragment.c:364) [ 15.400814][ C1] ip_defrag (net/ipv4/ip_fragment.c:488) [ 15.400815][ C1] ? ip4_obj_hashfn (./include/linux/jhash.h:126 (discriminator 32768)) [ 15.400817][ C1] ? ip_route_input_noref (./include/linux/rcupdate.h:882 net/ipv4/route.c:2584) [ 15.400819][ C1] ? ip_route_input_slow (./include/linux/inetdevice.h:64 (discriminator 4)) [ 15.400821][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.400823][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400825][ C1] ip_local_deliver (net/ipv4/ip_input.c:258) [ 15.400826][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 15.400827][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 15.400828][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.400832][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 15.400833][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 15.400834][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2650) [ 15.400836][ C1] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.400839][ C1] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.400840][ C1] ? __kernel_text_address (kernel/extable.c:79) [ 15.400842][ C1] ? write_profile (profile.c:?) [ 15.400844][ C1] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.400847][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:2533 net/core/dev.c:6221) [ 15.400849][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.400851][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.400853][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.400855][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.400856][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.400858][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 15.400860][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.400861][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.400863][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.400865][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.400866][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.400867][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.400869][ C1] ? sock_def_readable (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock.c:3663 (discriminator 2)) [ 15.400871][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.400872][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.400874][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.400876][ C1] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 15.400877][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.400879][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.400880][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 15.400882][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400884][ C1] process_backlog (net/core/dev.c:6728) [ 15.400886][ C1] __napi_poll (net/core/dev.c:7787) [ 15.400888][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.400890][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.400892][ C1] ? __napi_poll (./include/net/gro.h:507) [ 15.400895][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 15.400898][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400899][ C1] handle_softirqs (kernel/softirq.c:645) [ 15.400901][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.400902][ 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) [ 15.400905][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.400906][ 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)) [ 15.400907][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.400909][ C1] [ 15.400909][ C1] [ 15.400910][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.400912][ 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)) [ 15.400913][ C1] ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272) [ 15.400917][ C1] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.400918][ C1] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.400920][ C1] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.400922][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.400924][ C1] ? __virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:105) [ 15.400926][ C1] ? alloc_pg_vec.isra.0 (net/packet/af_packet.c:4493 (discriminator 10)) [ 15.400927][ C1] ? packet_rcv_spkt (./include/net/dst.h:285) [ 15.400929][ C1] packet_snd (net/packet/af_packet.c:3110) [ 15.400931][ C1] ? kasan_addr_to_slab (./include/linux/page-flags.h:250 mm/kasan/../slab.h:176 mm/kasan/../slab.h:210 mm/kasan/common.c:48) [ 15.400934][ C1] ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1)) [ 15.400935][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.400937][ C1] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.400938][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.400939][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.400941][ C1] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.400943][ C1] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 15.400946][ C1] __sys_sendto (net/socket.c:2281) [ 15.400948][ C1] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.400951][ C1] ? fput_close_sync (fs/file_table.c:617) [ 15.400954][ C1] ? alloc_file_clone (fs/file_table.c:479) [ 15.400956][ C1] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.400958][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.400960][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.400962][ C1] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.400963][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.400965][ C1] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.400966][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.400968][ C1] RIP: 0033:0x7f19864b754e [ 15.400970][ 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 [ 15.400972][ C1] RSP: 002b:00007ffdaff49fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.400975][ C1] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f19864b754e [ 15.400976][ C1] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 15.400977][ C1] RBP: 00007ffdaff49fb0 R08: 00007ffdaff4a010 R09: 0000000000000014 [ 15.400978][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 15.400979][ C1] R13: 0000000000000006 R14: 00007f1986688000 R15: 0000000000404e00 | [ 15.400995][ C1] softirqs last disabled at (25309): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 15.400997][ C1] Preemption disabled at: | [ 15.400998][ 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)) | [ 15.401002][ C1] Tainted: [W]=WARN [ 15.401003][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.401003][ C1] Call Trace: [ 15.401004][ C1] [ 15.401004][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.401006][ 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)) [ 15.401008][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 15.401011][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.401014][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401015][ 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)) [ 15.401016][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.401018][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.401020][ 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) [ 15.401022][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.401024][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 15.401026][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.401028][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.401030][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.401032][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.401034][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401035][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.401037][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.401039][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.401041][ C1] ? 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)) [ 15.401043][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401044][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.401046][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.401048][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.401049][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.401051][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.401053][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.401055][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401056][ C1] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 15.401058][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.401059][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.401061][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 15.401062][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.401063][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.401065][ C1] _printk (kernel/printk/printk.c:2504) [ 15.401067][ C1] ? snapshot_read.cold (user.c:?) [ 15.401068][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.401070][ C1] ? idr_get_free (??:?) [ 15.401072][ C1] ip_frag_reasm.constprop.0.cold (net/ipv4/ip_fragment.c:463 (discriminator 3)) [ 15.401074][ C1] ip_frag_queue (net/ipv4/ip_fragment.c:364) [ 15.401076][ C1] ip_defrag (net/ipv4/ip_fragment.c:488) [ 15.401077][ C1] ? ip4_obj_hashfn (./include/linux/jhash.h:126 (discriminator 32768)) [ 15.401079][ C1] ? ip_route_input_noref (./include/linux/rcupdate.h:882 net/ipv4/route.c:2584) [ 15.401080][ C1] ? ip_route_input_slow (./include/linux/inetdevice.h:64 (discriminator 4)) [ 15.401082][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.401083][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401085][ C1] ip_local_deliver (net/ipv4/ip_input.c:258) [ 15.401086][ C1] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 15.401087][ C1] ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2)) [ 15.401088][ C1] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.401091][ C1] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 15.401092][ C1] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 15.401093][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2650) [ 15.401094][ C1] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.401095][ C1] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.401097][ C1] ? __kernel_text_address (kernel/extable.c:79) [ 15.401098][ C1] ? write_profile (profile.c:?) [ 15.401099][ C1] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.401101][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:2533 net/core/dev.c:6221) [ 15.401103][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.401104][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.401106][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.401107][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.401109][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.401111][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 15.401112][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.401114][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.401115][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.401117][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.401118][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.401120][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.401121][ C1] ? sock_def_readable (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock.c:3663 (discriminator 2)) [ 15.401122][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.401124][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.401126][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.401127][ C1] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 15.401129][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.401130][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.401132][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 15.401134][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401135][ C1] process_backlog (net/core/dev.c:6728) [ 15.401138][ C1] __napi_poll (net/core/dev.c:7787) [ 15.401140][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.401142][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.401143][ C1] ? __napi_poll (./include/net/gro.h:507) [ 15.401147][ C1] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 15.401148][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401150][ C1] handle_softirqs (kernel/softirq.c:645) [ 15.401152][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.401153][ 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) [ 15.401155][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.401156][ 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)) [ 15.401157][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.401159][ C1] [ 15.401159][ C1] [ 15.401160][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.401161][ 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)) [ 15.401163][ C1] ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272) [ 15.401165][ C1] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.401166][ C1] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.401168][ C1] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.401169][ C1] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.401171][ C1] ? __virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:105) [ 15.401176][ C1] ? alloc_pg_vec.isra.0 (net/packet/af_packet.c:4493 (discriminator 10)) [ 15.401177][ C1] ? packet_rcv_spkt (./include/net/dst.h:285) [ 15.401179][ C1] packet_snd (net/packet/af_packet.c:3110) [ 15.401182][ C1] ? kasan_addr_to_slab (./include/linux/page-flags.h:250 mm/kasan/../slab.h:176 mm/kasan/../slab.h:210 mm/kasan/common.c:48) [ 15.401183][ C1] ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1)) [ 15.401184][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.401186][ C1] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.401187][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.401188][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.401190][ C1] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.401192][ C1] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 15.401194][ C1] __sys_sendto (net/socket.c:2281) [ 15.401195][ C1] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.401199][ C1] ? fput_close_sync (fs/file_table.c:617) [ 15.401200][ C1] ? alloc_file_clone (fs/file_table.c:479) [ 15.401202][ C1] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.401204][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.401205][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.401207][ C1] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.401208][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.401210][ C1] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.401211][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.401212][ C1] RIP: 0033:0x7f19864b754e [ 15.401213][ 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 [ 15.401214][ C1] RSP: 002b:00007ffdaff49fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.401215][ C1] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f19864b754e [ 15.401216][ C1] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 15.401217][ C1] RBP: 00007ffdaff49fb0 R08: 00007ffdaff4a010 R09: 0000000000000014 [ 15.401218][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars