====================================== | [ 12.883962][ T214] softirqs last disabled at (18016): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.883965][ T214] Preemption disabled at: | [ 12.883965][ T214] 0x0 | [ 12.883976][ T214] Tainted: [W]=WARN [ 12.883976][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.883978][ T214] Call Trace: [ 12.883980][ T214] [ 12.883981][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.883988][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 12.883992][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.883996][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.884000][ T214] __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)) [ 12.884002][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.884010][ T214] ? 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) [ 12.884013][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.884017][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 12.884019][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.884020][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.884024][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.884029][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.884037][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.884039][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.884041][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.884045][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.884049][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.884051][ T214] ? 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)) [ 12.884054][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.884056][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.884060][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.884064][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.884066][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.884071][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.884074][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.884075][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.884077][ T214] ? 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) [ 12.884081][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.884082][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.884085][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 12.884088][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.884091][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.884094][ T214] _printk (kernel/printk/printk.c:2504) [ 12.884098][ T214] ? snapshot_read.cold (user.c:?) [ 12.884101][ T214] ? 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) [ 12.884103][ T214] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.884107][ T214] ? 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) [ 12.884110][ T214] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.884113][ T214] ? exit_notify (kernel/exit.c:780) [ 12.884115][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.884117][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.884121][ T214] do_group_exit (kernel/exit.c:1151) [ 12.884123][ T214] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.884125][ T214] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.884128][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.884132][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.884134][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.884137][ T214] RIP: 0033:0x7fc86e6bd1b8 [ 12.884139][ T214] Code: Unable to access opcode bytes at 0x7fc86e6bd18e. Code starting with the faulting instruction =========================================== [ 12.884140][ T214] RSP: 002b:00007ffe2fa61158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.884142][ T214] RAX: ffffffffffffffda RBX: 00007fc86e7edf88 RCX: 00007fc86e6bd1b8 [ 12.884143][ T214] RDX: 00007fc86e407fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.884144][ T214] RBP: 00007ffe2fa611b0 R08: 0000000000000000 R09: 0000000000000050 [ 12.884145][ T214] R10: 00007ffe2fa60f70 R11: 0000000000000246 R12: 0000000000000001 [ 12.884146][ T214] R13: 0000000000000000 R14: 00007fc86e7ec680 R15: 00007fc86e7edfa0 | [ 26.004613][ C0] | [ 26.004614][ C0] | [ 26.004614][ C0] stack backtrace: | [ 26.004620][ C0] Tainted: [W]=WARN [ 26.004620][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.004623][ C0] Call Trace: [ 26.004624][ C0] [ 26.004625][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.004629][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 26.004631][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 26.004634][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 26.004636][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 26.004638][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 26.004640][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.004642][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 26.004644][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004646][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.004648][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 26.004650][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 26.004651][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 26.004654][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.004655][ 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)) [ 26.004657][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004658][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.004660][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.004662][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.004664][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.004666][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.004668][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.004670][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004671][ 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) [ 26.004673][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.004675][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.004676][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 26.004677][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.004679][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 26.004684][ C0] _printk (kernel/printk/printk.c:2504) [ 26.004686][ C0] ? snapshot_read.cold (user.c:?) [ 26.004688][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 26.004690][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004692][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 26.004693][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.004695][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.004697][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 26.004698][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004700][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 26.004702][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.004703][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004705][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004707][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 26.004708][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.004711][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 26.004712][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.004715][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.004718][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 26.004720][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 26.004722][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004723][ C0] handle_softirqs (kernel/softirq.c:645) [ 26.004725][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 26.004726][ 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) [ 26.004728][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004729][ 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)) [ 26.004731][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 26.004733][ C0] [ 26.004733][ C0] [ 26.004734][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 26.004735][ 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)) [ 26.004737][ C0] ? sk_reset_timer (./include/linux/refcount.h:289) [ 26.004740][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 26.004741][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1)) [ 26.004743][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.004744][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004746][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004747][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004748][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 26.004751][ C0] ? neigh_hh_output (./include/net/neighbour.h:525) [ 26.004753][ C0] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 26.004755][ C0] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 26.004756][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.004758][ C0] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 26.004759][ C0] ? skb_gso_validate_network_len (net/core/gso.c:183 net/core/gso.c:255) [ 26.004762][ C0] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 26.004764][ C0] ? ip_finish_output (./include/linux/cgroup.h:915) [ 26.004765][ C0] ? ip_make_skb (net/ipv4/ip_output.c:1584) [ 26.004767][ C0] ? ip_frag_init (./include/linux/skbuff.h:3160) [ 26.004768][ C0] ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550) [ 26.004770][ C0] ip_send_skb (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4)) [ 26.004772][ C0] udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1)) [ 26.004775][ C0] udp_sendmsg (net/ipv4/udp.c:1445) [ 26.004777][ C0] ? udp_cmsg_send (net/ipv4/udp.c:1218) [ 26.004778][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.004780][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.004782][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.004783][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.004785][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.004787][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.004790][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004792][ C0] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.004794][ C0] ____sys_sendmsg (net/socket.c:2713) [ 26.004795][ C0] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.004797][ C0] ? sock_write_iter (net/socket.c:1269) [ 26.004798][ C0] ? move_addr_to_kernel (net/socket.c:258) [ 26.004800][ C0] ? pick_eevdf (kernel/sched/fair.c:969 kernel/sched/fair.c:1208) [ 26.004803][ C0] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 26.004805][ C0] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 26.004806][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.004808][ C0] ___sys_sendmsg (net/socket.c:2767) [ 26.004809][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.004811][ C0] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.004813][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.004816][ C0] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 26.004819][ C0] ? __schedule (kernel/sched/core.c:7277) [ 26.004822][ C0] __sys_sendmsg (net/socket.c:2799) [ 26.004824][ C0] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.004826][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004828][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.004829][ C0] ? irq_exit_rcu (kernel/softirq.c:786) [ 26.004831][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.004833][ C0] RIP: 0033:0x7fd4bd40754e [ 26.004836][ 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 [ 26.004839][ C0] RSP: 002b:00007ffdf209d790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.004842][ C0] RAX: ffffffffffffffda RBX: 000001a046c168e1 RCX: 00007fd4bd40754e [ 26.004843][ C0] RDX: 0000000000000000 RSI: 00007ffdf209d890 RDI: 0000000000000005 [ 26.004844][ C0] RBP: 00007ffdf209d7a0 R08: 0000000000000000 R09: 0000000000000000 [ 26.004845][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 [ 26.004845][ C0] R13: 000000000000f180 R14: 0000000000405140 R15: 0000000000404e00 | [ 26.004864][ C0] softirqs last disabled at (2363383): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 26.004865][ C0] Preemption disabled at: | [ 26.004866][ 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)) | [ 26.004871][ C0] Tainted: [W]=WARN [ 26.004871][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.004872][ C0] Call Trace: [ 26.004873][ C0] [ 26.004873][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.004876][ 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)) [ 26.004877][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 26.004880][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.004882][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004884][ 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)) [ 26.004885][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.004886][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.004889][ 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) [ 26.004890][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.004893][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 26.004895][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.004897][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.004899][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5208) [ 26.004901][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.004903][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004904][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.004906][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.004909][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.004910][ 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)) [ 26.004912][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004913][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.004915][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.004917][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.004919][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.004921][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.004923][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.004925][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004926][ 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) [ 26.004928][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.004929][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.004931][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 26.004932][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.004934][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 26.004935][ C0] _printk (kernel/printk/printk.c:2504) [ 26.004937][ C0] ? snapshot_read.cold (user.c:?) [ 26.004939][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 26.004940][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004943][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 26.004944][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.004946][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.004947][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 26.004949][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004950][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 26.004952][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.004953][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004955][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004957][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 26.004958][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 26.004960][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 26.004962][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.004965][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.004967][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 26.004969][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 26.004971][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004972][ C0] handle_softirqs (kernel/softirq.c:645) [ 26.004974][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 26.004976][ 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) [ 26.004977][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004978][ 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)) [ 26.004980][ C0] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 26.004981][ C0] [ 26.004982][ C0] [ 26.004983][ C0] __local_bh_enable_ip (kernel/softirq.c:473) [ 26.004984][ 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)) [ 26.004986][ C0] ? sk_reset_timer (./include/linux/refcount.h:289) [ 26.004988][ C0] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 26.004990][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1)) [ 26.004991][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.004992][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.004994][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004995][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.004996][ C0] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 26.004998][ C0] ? neigh_hh_output (./include/net/neighbour.h:525) [ 26.004999][ C0] ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236) [ 26.005001][ C0] ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504) [ 26.005002][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.005004][ C0] ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41)) [ 26.005005][ C0] ? skb_gso_validate_network_len (net/core/gso.c:183 net/core/gso.c:255) [ 26.005007][ C0] ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437) [ 26.005008][ C0] ? ip_finish_output (./include/linux/cgroup.h:915) [ 26.005011][ C0] ? ip_make_skb (net/ipv4/ip_output.c:1584) [ 26.005013][ C0] ? ip_frag_init (./include/linux/skbuff.h:3160) [ 26.005014][ C0] ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550) [ 26.005016][ C0] ip_send_skb (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4)) [ 26.005018][ C0] udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1)) [ 26.005020][ C0] udp_sendmsg (net/ipv4/udp.c:1445) [ 26.005022][ C0] ? udp_cmsg_send (net/ipv4/udp.c:1218) [ 26.005023][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.005025][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.005027][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.005028][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.005030][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.005032][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.005034][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.005036][ C0] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.005038][ C0] ____sys_sendmsg (net/socket.c:2713) [ 26.005040][ C0] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.005041][ C0] ? sock_write_iter (net/socket.c:1269) [ 26.005043][ C0] ? move_addr_to_kernel (net/socket.c:258) [ 26.005044][ C0] ? pick_eevdf (kernel/sched/fair.c:969 kernel/sched/fair.c:1208) [ 26.005046][ C0] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 26.005048][ C0] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 26.005048][ C0] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.005050][ C0] ___sys_sendmsg (net/socket.c:2767) [ 26.005051][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.005053][ C0] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.005055][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.005058][ C0] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 26.005060][ C0] ? __schedule (kernel/sched/core.c:7277) [ 26.005062][ C0] __sys_sendmsg (net/socket.c:2799) [ 26.005064][ C0] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.005067][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.005068][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.005070][ C0] ? irq_exit_rcu (kernel/softirq.c:786) [ 26.005071][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.005073][ C0] RIP: 0033:0x7fd4bd40754e [ 26.005074][ 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 [ 26.005075][ C0] RSP: 002b:00007ffdf209d790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.005076][ C0] RAX: ffffffffffffffda RBX: 000001a046c168e1 RCX: 00007fd4bd40754e [ 26.005077][ C0] RDX: 0000000000000000 RSI: 00007ffdf209d890 RDI: 0000000000000005 [ 26.005077][ C0] RBP: 00007ffdf209d7a0 R08: 0000000000000000 R09: 0000000000000000 [ 26.005078][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000005 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