====================================== | [ 9.796261][ T187] softirqs last disabled at (44471): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.796263][ T187] Preemption disabled at: | [ 9.796264][ T187] 0x0 | [ 9.796274][ T187] Tainted: [W]=WARN [ 9.796275][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.796277][ T187] Call Trace: [ 9.796278][ T187] [ 9.796280][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.796286][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.796291][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.796295][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.796300][ T187] __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)) [ 9.796302][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.796308][ T187] ? 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) [ 9.796311][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.796314][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.796316][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.796318][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.796323][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.796328][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.796334][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.796336][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.796338][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.796342][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.796346][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.796348][ T187] ? 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)) [ 9.796351][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.796353][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.796357][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.796361][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.796363][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.796369][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.796372][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.796374][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.796376][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.796380][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.796382][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.796385][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.796388][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.796392][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.796395][ T187] _printk (kernel/printk/printk.c:2504) [ 9.796400][ T187] ? snapshot_read.cold (user.c:?) [ 9.796402][ T187] ? 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) [ 9.796405][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.796409][ T187] ? 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) [ 9.796411][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.796415][ T187] ? exit_notify (kernel/exit.c:780) [ 9.796417][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.796419][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.796423][ T187] do_group_exit (kernel/exit.c:1151) [ 9.796426][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.796428][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.796430][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.796433][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.796436][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.796438][ T187] RIP: 0033:0x7ff0b2f661b8 [ 9.796440][ T187] Code: Unable to access opcode bytes at 0x7ff0b2f6618e. Code starting with the faulting instruction =========================================== [ 9.796442][ T187] RSP: 002b:00007ffe577dab58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.796444][ T187] RAX: ffffffffffffffda RBX: 00007ff0b3096f88 RCX: 00007ff0b2f661b8 [ 9.796445][ T187] RDX: 00007ff0b2cb0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.796446][ T187] RBP: 00007ffe577dabb0 R08: 0000000000000000 R09: 0000000000008010 [ 9.796447][ T187] R10: 00007ffe577da970 R11: 0000000000000246 R12: 0000000000000001 [ 9.796448][ T187] R13: 0000000000000000 R14: 00007ff0b3095680 R15: 00007ff0b3096fa0 | [ 11.105541][ T244] softirqs last disabled at (14000): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.105545][ T244] Preemption disabled at: | [ 11.105546][ T244] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.105558][ T244] Tainted: [W]=WARN [ 11.105559][ T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.105562][ T244] Call Trace: [ 11.105564][ T244] [ 11.105566][ T244] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.105573][ T244] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.105577][ T244] __might_resched.cold (kernel/sched/core.c:9234) [ 11.105582][ T244] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.105588][ T244] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.105599][ T244] __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)) [ 11.105603][ T244] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.105611][ T244] ? 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) [ 11.105615][ T244] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.105626][ T244] put_chars (drivers/char/virtio_console.c:1176) [ 11.105630][ T244] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.105638][ T244] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.105644][ T244] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.105648][ T244] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.105651][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.105653][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.105660][ T244] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.105664][ T244] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.105669][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.105674][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.105681][ T244] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.105687][ T244] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.105690][ T244] ? 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)) [ 11.105695][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.105699][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.105705][ T244] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.105712][ T244] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.105714][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.105723][ T244] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.105727][ T244] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.105730][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.105734][ T244] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.105740][ T244] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.105743][ T244] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.105748][ T244] vprintk_emit (kernel/printk/printk.c:2479) [ 11.105755][ T244] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.105758][ T244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.105761][ T244] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.105767][ T244] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.105773][ T244] _printk (kernel/printk/printk.c:2504) [ 11.105778][ T244] ? snapshot_read.cold (user.c:?) [ 11.105784][ T244] ? br_multicast_flood (??:?) bridge [ 11.105802][ T244] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.105806][ T244] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.105808][ T244] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.105815][ T244] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.105832][ T244] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.105845][ T244] new_nbp (net/bridge/br_if.c:449) bridge [ 11.105861][ T244] br_add_if (net/bridge/br_if.c:592) bridge [ 11.105873][ T244] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.105878][ T244] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.105882][ T244] ? __kernel_text_address (kernel/extable.c:79) [ 11.105889][ T244] do_set_master (net/core/rtnetlink.c:3071) [ 11.105897][ T244] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.105903][ T244] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.105907][ T244] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.105909][ T244] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.105913][ T244] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.105917][ T244] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.105921][ T244] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.105924][ T244] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.105928][ T244] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.105933][ T244] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.105935][ T244] ? kasan_save_track (mm/kasan/common.c:78) [ 11.105940][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.105942][ T244] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.105947][ T244] ? ___sys_sendmsg (net/socket.c:2757) [ 11.105954][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.105957][ T244] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.105961][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.105965][ T244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.105967][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.105970][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.105974][ T244] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.105979][ T244] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.105982][ T244] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.105986][ T244] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.105992][ T244] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.105995][ T244] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.106004][ T244] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.106013][ T244] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.106023][ T244] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.106026][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.106033][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.106036][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.106040][ T244] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.106043][ T244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.106049][ T244] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.106053][ T244] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.106058][ T244] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.106060][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.106068][ T244] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.106071][ T244] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.106077][ T244] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.106080][ T244] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.106085][ T244] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.106095][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.106098][ T244] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.106104][ T244] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.106110][ T244] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.106115][ T244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.106122][ T244] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.106128][ T244] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.106135][ T244] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.106142][ T244] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.106145][ T244] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.106149][ T244] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.106152][ T244] ? move_addr_to_kernel (net/socket.c:258) [ 11.106165][ T244] ___sys_sendmsg (net/socket.c:2767) [ 11.106170][ T244] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.106199][ T244] __sys_sendmsg (net/socket.c:2799) [ 11.106204][ T244] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.106215][ T244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.106222][ T244] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.106225][ T244] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.106230][ T244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.106233][ T244] RIP: 0033:0x7f0fb48f854e [ 11.106238][ T244] 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 [ 11.106241][ T244] RSP: 002b:00007ffd4a8ca4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.106246][ T244] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0fb48f854e [ 11.106249][ T244] RDX: 0000000000000000 RSI: 00007ffd4a8ca550 RDI: 0000000000000005 [ 11.106250][ T244] RBP: 00007ffd4a8ca4b0 R08: 0000000000000000 R09: 0000000000000000 [ 11.106252][ T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ae5f [ 11.106253][ T244] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4a8cac10 | [ 18.931793][ T300] softirqs last disabled at (21679): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.931795][ T300] Preemption disabled at: | [ 18.931796][ T300] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.931805][ T300] Tainted: [W]=WARN [ 18.931806][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.931808][ T300] Call Trace: [ 18.931809][ T300] [ 18.931810][ T300] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.931816][ T300] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.931818][ T300] __might_resched.cold (kernel/sched/core.c:9234) [ 18.931822][ T300] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.931826][ T300] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.931831][ T300] __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)) [ 18.931834][ T300] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.931840][ T300] ? 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) [ 18.931842][ T300] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.931845][ T300] put_chars (drivers/char/virtio_console.c:1176) [ 18.931847][ T300] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.931849][ T300] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.931852][ T300] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.931856][ T300] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.931860][ T300] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.931862][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.931864][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.931868][ T300] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.931870][ T300] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.931873][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.931876][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.931880][ T300] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.931883][ T300] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.931885][ T300] ? 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)) [ 18.931888][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.931890][ T300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.931894][ T300] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.931898][ T300] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.931900][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.931905][ T300] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.931907][ T300] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.931909][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.931911][ T300] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.931915][ T300] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.931916][ T300] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.931920][ T300] vprintk_emit (kernel/printk/printk.c:2479) [ 18.931924][ T300] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.931929][ T300] ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc [ 18.931932][ T300] _printk (kernel/printk/printk.c:2504) [ 18.931936][ T300] ? snapshot_read.cold (user.c:?) [ 18.931942][ T300] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 18.931945][ T300] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.931947][ T300] do_one_initcall (init/main.c:1357) [ 18.931950][ T300] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.931954][ T300] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.931957][ T300] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.931962][ T300] do_init_module (kernel/module/main.c:3117) [ 18.931965][ T300] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.931970][ T300] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.931973][ T300] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.931977][ T300] load_module (kernel/module/main.c:3593) [ 18.931984][ T300] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.931987][ T300] ? __ia32_sys_fsconfig (??:?) [ 18.931990][ T300] ? ovl_real_file (fs/overlayfs/file.c:195) [ 18.931994][ T300] ? backing_file_read_iter (fs/backing-file.c:211) [ 18.931998][ T300] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.932002][ T300] init_module_from_file (kernel/module/main.c:3790) [ 18.932005][ T300] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.932012][ T300] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.932016][ T300] ? 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) [ 18.932019][ T300] idempotent_init_module (kernel/module/main.c:3802) [ 18.932022][ T300] ? init_module_from_file (kernel/module/main.c:3791) [ 18.932028][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.932030][ T300] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.932036][ T300] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.932038][ T300] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.932042][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.932044][ T300] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.932046][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.932049][ T300] RIP: 0033:0x7f460fb3e37d [ 18.932052][ T300] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 18.932054][ T300] RSP: 002b:00007ffd28ff2738 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.932057][ T300] RAX: ffffffffffffffda RBX: 0000557d20bca810 RCX: 00007f460fb3e37d [ 18.932059][ T300] RDX: 0000000000000000 RSI: 0000557cf69e9ffd RDI: 0000000000000000 [ 18.932060][ T300] RBP: 00007ffd28ff27d0 R08: 0000000000000000 R09: 0000000000000000 [ 18.932061][ T300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557cf69e9ffd [ 18.932061][ T300] R13: 0000557d20bca960 R14: 0000000000040000 R15: 0000000000000000 | [ 21.874483][ C1] | [ 21.874483][ C1] | [ 21.874483][ C1] stack backtrace: | [ 21.874490][ C1] Tainted: [W]=WARN [ 21.874491][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.874492][ C1] Workqueue: events_power_efficient neigh_managed_work [ 21.874497][ C1] Call Trace: [ 21.874498][ C1] [ 21.874499][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.874503][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 21.874506][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 21.874508][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 21.874510][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 21.874512][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 21.874514][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874516][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.874518][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874521][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.874523][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.874525][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 21.874527][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 21.874529][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.874530][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 21.874532][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874534][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.874536][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.874538][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.874540][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.874542][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.874544][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.874546][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874547][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.874549][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.874551][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.874553][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 21.874555][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.874557][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.874559][ C1] _printk (kernel/printk/printk.c:2504) [ 21.874561][ C1] ? snapshot_read.cold (user.c:?) [ 21.874563][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 21.874566][ C1] ? idr_get_free (??:?) [ 21.874569][ C1] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit [ 21.874571][ C1] ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit [ 21.874573][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.874575][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.874577][ C1] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162) [ 21.874580][ C1] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower [ 21.874583][ C1] ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower [ 21.874588][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874590][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.874596][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.874598][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.874599][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.874602][ C1] __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779) [ 21.874604][ C1] ? kasan_save_free_info (mm/kasan/generic.c:584) [ 21.874607][ C1] tcf_classify (net/sched/cls_api.c:1875) [ 21.874609][ C1] ? __napi_poll (net/core/dev.c:7787) [ 21.874611][ C1] ? net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.874612][ C1] ? handle_softirqs (kernel/softirq.c:645) [ 21.874613][ C1] ? do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 21.874615][ C1] ? __local_bh_enable_ip (kernel/softirq.c:473) [ 21.874616][ C1] ? __tcf_classify (net/sched/cls_api.c:1784) [ 21.874617][ C1] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 21.874619][ C1] tc_run (net/core/dev.c:4463) [ 21.874621][ C1] ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461) [ 21.874623][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4538 (discriminator 1) net/core/dev.c:6115 (discriminator 1)) [ 21.874626][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.874627][ C1] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6)) [ 21.874630][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 21.874632][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 21.874634][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.874637][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.874639][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.874641][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.874642][ C1] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 21.874651][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874653][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.874654][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 21.874656][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874659][ C1] process_backlog (net/core/dev.c:6728) [ 21.874661][ C1] __napi_poll (net/core/dev.c:7787) [ 21.874663][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.874665][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.874667][ C1] ? __napi_poll (./include/net/gro.h:507) [ 21.874669][ C1] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 21.874670][ C1] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 21.874673][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.874675][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.874677][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 21.874681][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.874682][ C1] handle_softirqs (kernel/softirq.c:645) [ 21.874684][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.874686][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.874688][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 21.874689][ C1] [ 21.874690][ C1] [ 21.874690][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 21.874692][ C1] process_one_work (kernel/workqueue.c:3387) [ 21.874694][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.874696][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874699][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.874701][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.874703][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 21.874705][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.874706][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.874708][ C1] kthread (kernel/kthread.c:436) [ 21.874709][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.874712][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.874713][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.874715][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.874717][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.874719][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.874721][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.874738][ C1] softirqs last disabled at (690137): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 21.874740][ C1] Preemption disabled at: | [ 21.874740][ C1] 0x0 | [ 21.874745][ C1] Tainted: [W]=WARN [ 21.874746][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.874747][ C1] Workqueue: events_power_efficient neigh_managed_work [ 21.874749][ C1] Call Trace: [ 21.874749][ C1] [ 21.874750][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.874752][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 21.874756][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.874758][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874761][ C1] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.874762][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.874764][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.874766][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.874767][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.874769][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 21.874771][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.874773][ C1] ? mark_lock (kernel/locking/lockdep.c:4769) [ 21.874775][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.874777][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.874778][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874780][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874782][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.874784][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.874786][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.874788][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 21.874790][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874792][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.874793][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.874796][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.874797][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.874800][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.874801][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.874803][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874805][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.874807][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.874808][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.874810][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 21.874812][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.874814][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.874816][ C1] _printk (kernel/printk/printk.c:2504) [ 21.874818][ C1] ? snapshot_read.cold (user.c:?) [ 21.874820][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 21.874822][ C1] ? idr_get_free (??:?) [ 21.874825][ C1] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit [ 21.874827][ C1] ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit [ 21.874829][ C1] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.874830][ C1] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.874832][ C1] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162) [ 21.874835][ C1] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower [ 21.874837][ C1] ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower [ 21.874843][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874845][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.874846][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.874848][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.874849][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.874851][ C1] __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779) [ 21.874854][ C1] ? kasan_save_free_info (mm/kasan/generic.c:584) [ 21.874855][ C1] tcf_classify (net/sched/cls_api.c:1875) [ 21.874857][ C1] ? __napi_poll (net/core/dev.c:7787) [ 21.874859][ C1] ? net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.874860][ C1] ? handle_softirqs (kernel/softirq.c:645) [ 21.874862][ C1] ? do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 21.874863][ C1] ? __local_bh_enable_ip (kernel/softirq.c:473) [ 21.874864][ C1] ? __tcf_classify (net/sched/cls_api.c:1784) [ 21.874866][ C1] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 21.874868][ C1] tc_run (net/core/dev.c:4463) [ 21.874869][ C1] ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461) [ 21.874872][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:4538 (discriminator 1) net/core/dev.c:6115 (discriminator 1)) [ 21.874874][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 21.874875][ C1] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6)) [ 21.874878][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 21.874880][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 21.874881][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.874884][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.874886][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.874888][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.874889][ C1] __netif_receive_skb_one_core (net/core/dev.c:6262) [ 21.874891][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874893][ C1] ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2)) [ 21.874894][ C1] ? __netif_receive_skb_list_core (net/core/dev.c:6310) [ 21.874896][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.874899][ C1] process_backlog (net/core/dev.c:6728) [ 21.874901][ C1] __napi_poll (net/core/dev.c:7787) [ 21.874903][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 21.874905][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.874907][ C1] ? __napi_poll (./include/net/gro.h:507) [ 21.874909][ C1] ? _raw_spin_unlock_irq_enable (./include/linux/spinlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:237 (discriminator 1)) [ 21.874911][ C1] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 21.874912][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.874914][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.874916][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 21.874918][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.874920][ C1] handle_softirqs (kernel/softirq.c:645) [ 21.874922][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.874923][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 21.874925][ C1] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 21.874927][ C1] [ 21.874927][ C1] [ 21.874928][ C1] __local_bh_enable_ip (kernel/softirq.c:473) [ 21.874929][ C1] process_one_work (kernel/workqueue.c:3387) [ 21.874932][ C1] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.874934][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.874937][ C1] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.874939][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.874940][ C1] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 21.874942][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.874944][ C1] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.874945][ C1] kthread (kernel/kthread.c:436) [ 21.874947][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.874948][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.874950][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.874951][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.874953][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.874955][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print