====================================== | [ 10.798870][ T203] softirqs last disabled at (20543): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.798873][ T203] Preemption disabled at: | [ 10.798873][ T203] 0x0 | [ 10.798884][ T203] Tainted: [W]=WARN [ 10.798885][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.798887][ T203] Call Trace: [ 10.798889][ T203] [ 10.798890][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.798897][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 10.798902][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.798906][ 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) [ 10.798911][ 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)) [ 10.798913][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.798919][ 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) [ 10.798922][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.798927][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 10.798929][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.798930][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.798934][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.798940][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.798948][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.798950][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.798952][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.798957][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.798961][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.798963][ 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)) [ 10.798966][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.798968][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.798972][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.798976][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.798978][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.798984][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.798987][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.798989][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.798990][ 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) [ 10.798994][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.798996][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.798999][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 10.799002][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.799005][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.799009][ T203] _printk (kernel/printk/printk.c:2504) [ 10.799013][ T203] ? snapshot_read.cold (user.c:?) [ 10.799016][ 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) [ 10.799019][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.799023][ 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) [ 10.799026][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.799030][ T203] ? exit_notify (kernel/exit.c:780) [ 10.799031][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.799034][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.799038][ T203] do_group_exit (kernel/exit.c:1151) [ 10.799041][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.799043][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.799045][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.799049][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.799052][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.799055][ T203] RIP: 0033:0x7f7d305381b8 [ 10.799057][ T203] Code: Unable to access opcode bytes at 0x7f7d3053818e. Code starting with the faulting instruction =========================================== [ 10.799058][ T203] RSP: 002b:00007ffff48065b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.799061][ T203] RAX: ffffffffffffffda RBX: 00007f7d30668f88 RCX: 00007f7d305381b8 [ 10.799062][ T203] RDX: 00007f7d30282fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.799063][ T203] RBP: 00007ffff4806610 R08: 0000000000000000 R09: 0000000000000050 [ 10.799064][ T203] R10: 00007ffff48063d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.799064][ T203] R13: 0000000000000000 R14: 00007f7d30667680 R15: 00007f7d30668fa0 | [ 17.265286][ C0] | [ 17.265286][ C0] | [ 17.265286][ C0] stack backtrace: | [ 17.265292][ C0] Tainted: [W]=WARN [ 17.265293][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.265295][ C0] Call Trace: [ 17.265296][ C0] [ 17.265297][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.265302][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.265305][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.265307][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 17.265309][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 17.265311][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.265319][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265321][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.265323][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265326][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.265328][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.265329][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.265331][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.265333][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.265335][ 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)) [ 17.265337][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265338][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.265340][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.265342][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.265344][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265346][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.265348][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.265350][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265351][ 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) [ 17.265353][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.265355][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.265356][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 17.265358][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.265359][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.265361][ C0] _printk (kernel/printk/printk.c:2504) [ 17.265363][ C0] ? snapshot_read.cold (user.c:?) [ 17.265365][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.265368][ C0] ? idr_get_free (??:?) [ 17.265370][ C0] ip_frag_reasm.constprop.0.cold (net/ipv4/ip_fragment.c:463 (discriminator 3)) [ 17.265372][ C0] ip_frag_queue (net/ipv4/ip_fragment.c:364) [ 17.265374][ C0] ip_defrag (net/ipv4/ip_fragment.c:488) [ 17.265376][ C0] ? ip4_obj_hashfn (./include/linux/jhash.h:126 (discriminator 32768)) [ 17.265377][ C0] ? ip_route_input_noref (./include/linux/rcupdate.h:882 net/ipv4/route.c:2584) [ 17.265380][ C0] ? ip_route_input_slow (./include/linux/inetdevice.h:64 (discriminator 4)) [ 17.265381][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.265384][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265385][ C0] ip_local_deliver (net/ipv4/ip_input.c:258) [ 17.265387][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 17.265388][ 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)) [ 17.265389][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.265393][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 17.265394][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.265397][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 17.265398][ C0] ? _raw_write_unlock_irqrestore (??:?) [ 17.265400][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265402][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:2533 net/core/dev.c:6221) [ 17.265404][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.265406][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.265407][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.265409][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.265410][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265412][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 17.265414][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265416][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.265418][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.265419][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.265421][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.265422][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.265423][ 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)) [ 17.265425][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.265427][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265429][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.265430][ C0] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 17.265432][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265434][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.265435][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 17.265437][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265439][ C0] process_backlog (net/core/dev.c:6728) [ 17.265441][ C0] ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1847 kernel/time/timer.c:1865) [ 17.265444][ C0] __napi_poll (net/core/dev.c:7787) [ 17.265446][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.265449][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265450][ C0] ? __napi_poll (./include/net/gro.h:507) [ 17.265452][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.265455][ C0] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 17.265456][ C0] ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 17.265458][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.265460][ C0] handle_softirqs (kernel/softirq.c:645) [ 17.265462][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.265464][ 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) [ 17.265466][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265467][ 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)) [ 17.265469][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.265470][ C0] [ 17.265471][ C0] [ 17.265471][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.265473][ 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)) [ 17.265475][ 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) [ 17.265478][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 17.265480][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 17.265481][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.265484][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265485][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 17.265487][ C0] ? __virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:105) [ 17.265489][ C0] ? alloc_pg_vec.isra.0 (net/packet/af_packet.c:4493 (discriminator 10)) [ 17.265490][ C0] ? packet_rcv_spkt (./include/net/dst.h:285) [ 17.265492][ C0] packet_snd (net/packet/af_packet.c:3110) [ 17.265494][ 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) [ 17.265497][ C0] ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1)) [ 17.265498][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265500][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.265501][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.265502][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.265504][ C0] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 17.265506][ C0] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 17.265509][ C0] __sys_sendto (net/socket.c:2281) [ 17.265510][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 17.265514][ C0] ? fput_close_sync (fs/file_table.c:617) [ 17.265517][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 17.265519][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 17.265520][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.265524][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.265525][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 17.265527][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.265528][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.265530][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.265531][ C0] RIP: 0033:0x7fcb1cb3e54e [ 17.265534][ 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 [ 17.265536][ C0] RSP: 002b:00007ffe7b614aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.265539][ C0] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007fcb1cb3e54e [ 17.265540][ C0] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 17.265541][ C0] RBP: 00007ffe7b614ab0 R08: 00007ffe7b614b10 R09: 0000000000000014 [ 17.265542][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 17.265543][ C0] R13: 0000000000000006 R14: 00007fcb1cd0f000 R15: 0000000000404e00 | [ 17.265560][ C0] softirqs last disabled at (27031): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 17.265562][ C0] Preemption disabled at: | [ 17.265562][ 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)) | [ 17.265567][ C0] Tainted: [W]=WARN [ 17.265567][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.265568][ C0] Call Trace: [ 17.265568][ C0] [ 17.265569][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.265571][ 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)) [ 17.265573][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 17.265576][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.265579][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265580][ 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)) [ 17.265582][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.265583][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.265586][ 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) [ 17.265587][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.265590][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 17.265591][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.265593][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.265596][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.265598][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.265600][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265601][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.265603][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.265605][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.265607][ 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)) [ 17.265609][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265610][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.265612][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.265614][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.265616][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265618][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.265620][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.265622][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265623][ 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) [ 17.265625][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.265626][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.265628][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 17.265629][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.265630][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.265632][ C0] _printk (kernel/printk/printk.c:2504) [ 17.265634][ C0] ? snapshot_read.cold (user.c:?) [ 17.265636][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.265638][ C0] ? idr_get_free (??:?) [ 17.265640][ C0] ip_frag_reasm.constprop.0.cold (net/ipv4/ip_fragment.c:463 (discriminator 3)) [ 17.265642][ C0] ip_frag_queue (net/ipv4/ip_fragment.c:364) [ 17.265644][ C0] ip_defrag (net/ipv4/ip_fragment.c:488) [ 17.265645][ C0] ? ip4_obj_hashfn (./include/linux/jhash.h:126 (discriminator 32768)) [ 17.265646][ C0] ? ip_route_input_noref (./include/linux/rcupdate.h:882 net/ipv4/route.c:2584) [ 17.265648][ C0] ? ip_route_input_slow (./include/linux/inetdevice.h:64 (discriminator 4)) [ 17.265650][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.265651][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265653][ C0] ip_local_deliver (net/ipv4/ip_input.c:258) [ 17.265654][ C0] ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42)) [ 17.265656][ 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)) [ 17.265657][ C0] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 17.265659][ C0] ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612) [ 17.265660][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.265662][ C0] ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3)) [ 17.265663][ C0] ? _raw_write_unlock_irqrestore (??:?) [ 17.265665][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265667][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:2533 net/core/dev.c:6221) [ 17.265669][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.265670][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.265672][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.265674][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.265675][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265677][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 17.265679][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265680][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.265682][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.265684][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.265685][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.265687][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.265688][ 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)) [ 17.265690][ C0] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.265691][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265693][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.265695][ C0] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 17.265696][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265698][ C0] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 17.265700][ C0] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 17.265701][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265703][ C0] process_backlog (net/core/dev.c:6728) [ 17.265705][ C0] ? timer_recalc_next_expiry (./include/linux/find.h:71 kernel/time/timer.c:1847 kernel/time/timer.c:1865) [ 17.265707][ C0] __napi_poll (net/core/dev.c:7787) [ 17.265710][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.265712][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.265714][ C0] ? __napi_poll (./include/net/gro.h:507) [ 17.265716][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.265718][ C0] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 17.265719][ C0] ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 17.265721][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 17.265723][ C0] handle_softirqs (kernel/softirq.c:645) [ 17.265725][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.265727][ 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) [ 17.265729][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265730][ 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)) [ 17.265735][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 17.265736][ C0] [ 17.265737][ C0] [ 17.265737][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 17.265739][ 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)) [ 17.265741][ 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) [ 17.265742][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 17.265744][ C0] ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112) [ 17.265745][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.265746][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.265747][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 17.265750][ C0] ? __virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:105) [ 17.265752][ C0] ? alloc_pg_vec.isra.0 (net/packet/af_packet.c:4493 (discriminator 10)) [ 17.265753][ C0] ? packet_rcv_spkt (./include/net/dst.h:285) [ 17.265755][ C0] packet_snd (net/packet/af_packet.c:3110) [ 17.265757][ 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) [ 17.265758][ C0] ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1)) [ 17.265760][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.265761][ C0] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 17.265762][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.265764][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.265766][ C0] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 17.265768][ C0] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 17.265769][ C0] __sys_sendto (net/socket.c:2281) [ 17.265771][ C0] ? __ia32_sys_getpeername (net/socket.c:2235) [ 17.265775][ C0] ? fput_close_sync (fs/file_table.c:617) [ 17.265776][ C0] ? alloc_file_clone (fs/file_table.c:479) [ 17.265778][ C0] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 17.265780][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.265781][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 17.265783][ C0] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 17.265784][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.265786][ C0] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.265787][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.265789][ C0] RIP: 0033:0x7fcb1cb3e54e [ 17.265790][ 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 [ 17.265791][ C0] RSP: 002b:00007ffe7b614aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.265792][ C0] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007fcb1cb3e54e [ 17.265793][ C0] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 17.265793][ C0] RBP: 00007ffe7b614ab0 R08: 00007ffe7b614b10 R09: 0000000000000014 [ 17.265794][ C0] 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