====================================== | [ 9.253716][ T195] softirqs last disabled at (25802): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.253719][ T195] Preemption disabled at: | [ 9.253719][ T195] 0x0 | [ 9.253729][ T195] Tainted: [W]=WARN [ 9.253730][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.253732][ T195] Call Trace: [ 9.253733][ T195] [ 9.253735][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.253742][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 9.253746][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.253750][ T195] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.253754][ T195] __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)) [ 9.253756][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.253763][ T195] ? 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) [ 9.253765][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.253768][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 9.253771][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.253772][ T195] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.253775][ T195] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.253780][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.253787][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.253790][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.253792][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.253796][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.253800][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.253801][ T195] ? 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)) [ 9.253804][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.253806][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.253810][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.253814][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.253816][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.253821][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.253824][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.253825][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.253827][ T195] ? 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) [ 9.253831][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.253832][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.253835][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 9.253838][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.253841][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.253844][ T195] _printk (kernel/printk/printk.c:2504) [ 9.253848][ T195] ? snapshot_read.cold (user.c:?) [ 9.253851][ T195] ? 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) [ 9.253853][ T195] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.253857][ T195] ? 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) [ 9.253860][ T195] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.253863][ T195] ? exit_notify (kernel/exit.c:780) [ 9.253865][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.253867][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.253871][ T195] do_group_exit (kernel/exit.c:1151) [ 9.253873][ T195] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.253875][ T195] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.253877][ T195] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.253881][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.253884][ T195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.253886][ T195] RIP: 0033:0x7f98337391b8 [ 9.253893][ T195] Code: Unable to access opcode bytes at 0x7f983373918e. Code starting with the faulting instruction =========================================== [ 9.253894][ T195] RSP: 002b:00007ffdab1463c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.253896][ T195] RAX: ffffffffffffffda RBX: 00007f9833869f88 RCX: 00007f98337391b8 [ 9.253898][ T195] RDX: 00007f9833483fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.253898][ T195] RBP: 00007ffdab146420 R08: 0000000000000000 R09: 0000000000000050 [ 9.253899][ T195] R10: 00007ffdab1461e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.253900][ T195] R13: 0000000000000000 R14: 00007f9833868680 R15: 00007f9833869fa0 | [ 15.277785][ C0] | [ 15.277786][ C0] | [ 15.277786][ C0] stack backtrace: | [ 15.277791][ C0] Tainted: [W]=WARN [ 15.277792][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.277794][ C0] Call Trace: [ 15.277795][ C0] [ 15.277796][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.277800][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 15.277802][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 15.277805][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 15.277807][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 15.277808][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.277811][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.277812][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.277815][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277817][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.277819][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.277820][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.277822][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.277824][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.277826][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.277828][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277829][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.277831][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.277833][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.277835][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.277837][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.277839][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.277840][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277842][ C0] ? 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) [ 15.277843][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.277845][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.277847][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 15.277848][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.277849][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.277852][ C0] _printk (kernel/printk/printk.c:2504) [ 15.277853][ C0] ? snapshot_read.cold (user.c:?) [ 15.277855][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.277858][ C0] ? idr_get_free (??:?) [ 15.277860][ C0] ip_frag_reasm.constprop.0.cold (net/ipv4/ip_fragment.c:463 (discriminator 3)) [ 15.277862][ C0] ip_frag_queue (net/ipv4/ip_fragment.c:364) [ 15.277864][ C0] ip_defrag (net/ipv4/ip_fragment.c:488) [ 15.277866][ C0] ? ip4_obj_hashfn (./include/linux/jhash.h:126 (discriminator 32768)) [ 15.277867][ C0] ? ip_route_input_noref (./include/linux/rcupdate.h:882 net/ipv4/route.c:2584) [ 15.277869][ C0] ? ip_route_input_slow (./include/linux/inetdevice.h:64 (discriminator 4)) [ 15.277871][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.277873][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277875][ C0] ip_local_deliver (net/ipv4/ip_input.c:258) [ 15.277876][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 15.277877][ C0] ? 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)) [ 15.277879][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.277882][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 15.277884][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.277886][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 15.277887][ C0] ? trace_pelt_cfs_tp (./include/trace/events/sched.h:833 (discriminator 22)) [ 15.277890][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.277892][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:2533 net/core/dev.c:6221) [ 15.277894][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.277896][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.277897][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.277899][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.277901][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.277903][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 15.277905][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.277906][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.277908][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.277909][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.277911][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.277912][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.277914][ C0] ? sock_def_readable (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock.c:3663 (discriminator 2)) [ 15.277915][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.277917][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.277924][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.277926][ C0] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 15.277927][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.277929][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.277931][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 15.277933][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277934][ C0] process_backlog (net/core/dev.c:6728) [ 15.277940][ C0] __napi_poll (net/core/dev.c:7787) [ 15.277942][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.277944][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.277946][ C0] ? __napi_poll (./include/net/gro.h:507) [ 15.277949][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 15.277953][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277954][ C0] handle_softirqs (kernel/softirq.c:645) [ 15.277956][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.277957][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.277960][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.277961][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.277962][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.277964][ C0] [ 15.277964][ C0] [ 15.277965][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.277967][ C0] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.277968][ C0] ? _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) [ 15.277971][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.277973][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.277975][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.277977][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.277979][ C0] ? __virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:105) [ 15.277981][ C0] ? alloc_pg_vec.isra.0 (net/packet/af_packet.c:4493 (discriminator 10)) [ 15.277982][ C0] ? packet_rcv_spkt (./include/net/dst.h:285) [ 15.277984][ C0] packet_snd (net/packet/af_packet.c:3110) [ 15.277986][ C0] ? 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) [ 15.277989][ C0] ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1)) [ 15.277990][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.277992][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.277993][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.277994][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.277996][ C0] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.277998][ C0] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 15.278001][ C0] __sys_sendto (net/socket.c:2281) [ 15.278003][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.278006][ C0] ? fput_close_sync (fs/file_table.c:617) [ 15.278009][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 15.278011][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.278013][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.278015][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.278017][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.278019][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.278020][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.278022][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.278023][ C0] RIP: 0033:0x7f5ba60ee54e [ 15.278026][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.278028][ C0] RSP: 002b:00007ffcfe2d1750 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.278030][ C0] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f5ba60ee54e [ 15.278032][ C0] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 15.278032][ C0] RBP: 00007ffcfe2d1760 R08: 00007ffcfe2d17c0 R09: 0000000000000014 [ 15.278034][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 15.278034][ C0] R13: 0000000000000006 R14: 00007f5ba62bf000 R15: 0000000000404e00 | [ 15.278051][ C0] softirqs last disabled at (29791): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 15.278053][ C0] Preemption disabled at: | [ 15.278053][ C0] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 15.278058][ C0] Tainted: [W]=WARN [ 15.278058][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.278059][ C0] Call Trace: [ 15.278059][ C0] [ 15.278060][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.278062][ C0] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 15.278064][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 15.278066][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.278069][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278071][ C0] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.278072][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.278073][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.278076][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.278078][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.278080][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 15.278081][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.278083][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.278086][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.278088][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.278090][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278091][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.278093][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.278095][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.278097][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.278099][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278100][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.278102][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.278104][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.278106][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.278108][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.278110][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.278111][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278113][ C0] ? 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) [ 15.278114][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.278116][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.278117][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 15.278119][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.278120][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.278122][ C0] _printk (kernel/printk/printk.c:2504) [ 15.278124][ C0] ? snapshot_read.cold (user.c:?) [ 15.278125][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.278127][ C0] ? idr_get_free (??:?) [ 15.278129][ C0] ip_frag_reasm.constprop.0.cold (net/ipv4/ip_fragment.c:463 (discriminator 3)) [ 15.278131][ C0] ip_frag_queue (net/ipv4/ip_fragment.c:364) [ 15.278133][ C0] ip_defrag (net/ipv4/ip_fragment.c:488) [ 15.278134][ C0] ? ip4_obj_hashfn (./include/linux/jhash.h:126 (discriminator 32768)) [ 15.278136][ C0] ? ip_route_input_noref (./include/linux/rcupdate.h:882 net/ipv4/route.c:2584) [ 15.278138][ C0] ? ip_route_input_slow (./include/linux/inetdevice.h:64 (discriminator 4)) [ 15.278139][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.278141][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278142][ C0] ip_local_deliver (net/ipv4/ip_input.c:258) [ 15.278143][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 15.278145][ C0] ? 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)) [ 15.278146][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.278148][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 15.278149][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.278151][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 15.278152][ C0] ? trace_pelt_cfs_tp (./include/trace/events/sched.h:833 (discriminator 22)) [ 15.278154][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.278156][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:2533 net/core/dev.c:6221) [ 15.278158][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.278159][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.278161][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.278162][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.278164][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.278166][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 15.278167][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.278169][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.278170][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.278172][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.278173][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.278175][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.278176][ C0] ? sock_def_readable (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock.c:3663 (discriminator 2)) [ 15.278178][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.278179][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.278181][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.278183][ C0] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 15.278184][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.278186][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 15.278188][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 15.278189][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278191][ C0] process_backlog (net/core/dev.c:6728) [ 15.278193][ C0] __napi_poll (net/core/dev.c:7787) [ 15.278195][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.278198][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.278199][ C0] ? __napi_poll (./include/net/gro.h:507) [ 15.278203][ C0] ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859) [ 15.278204][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278206][ C0] handle_softirqs (kernel/softirq.c:645) [ 15.278208][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.278209][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.278211][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.278212][ C0] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.278214][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.278215][ C0] [ 15.278216][ C0] [ 15.278216][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.278218][ C0] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.278219][ C0] ? _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) [ 15.278221][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.278223][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 15.278224][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.278225][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.278227][ C0] ? __virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:105) [ 15.278229][ C0] ? alloc_pg_vec.isra.0 (net/packet/af_packet.c:4493 (discriminator 10)) [ 15.278230][ C0] ? packet_rcv_spkt (./include/net/dst.h:285) [ 15.278232][ C0] packet_snd (net/packet/af_packet.c:3110) [ 15.278234][ C0] ? 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) [ 15.278236][ C0] ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1)) [ 15.278237][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.278239][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.278240][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.278241][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.278243][ C0] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.278245][ C0] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 15.278246][ C0] __sys_sendto (net/socket.c:2281) [ 15.278248][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 15.278252][ C0] ? fput_close_sync (fs/file_table.c:617) [ 15.278253][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 15.278255][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 15.278257][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.278258][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 15.278260][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 15.278261][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.278263][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.278264][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.278265][ C0] RIP: 0033:0x7f5ba60ee54e [ 15.278267][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.278267][ C0] RSP: 002b:00007ffcfe2d1750 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 15.278269][ C0] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f5ba60ee54e [ 15.278269][ C0] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 15.278270][ C0] RBP: 00007ffcfe2d1760 R08: 00007ffcfe2d17c0 R09: 0000000000000014 [ 15.278271][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 Finger prints: netlink_release: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