====================================== | [ 12.313429][ T473] softirqs last disabled at (13452): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.313431][ T473] Preemption disabled at: | [ 12.313432][ T473] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.313441][ T473] Tainted: [W]=WARN [ 12.313442][ T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.313444][ T473] Call Trace: [ 12.313445][ T473] [ 12.313447][ T473] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.313452][ T473] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.313454][ T473] __might_resched.cold (kernel/sched/core.c:9234) [ 12.313459][ T473] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.313462][ T473] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.313467][ T473] __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)) [ 12.313470][ T473] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.313477][ T473] ? 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) [ 12.313483][ T473] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.313486][ T473] put_chars (drivers/char/virtio_console.c:1176) [ 12.313489][ T473] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.313493][ T473] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.313498][ T473] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.313501][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.313503][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.313508][ T473] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.313510][ T473] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.313512][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313516][ T473] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.313520][ T473] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.313523][ T473] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.313525][ T473] ? 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)) [ 12.313527][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313529][ T473] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.313534][ T473] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.313537][ T473] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.313539][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.313545][ T473] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.313547][ T473] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.313548][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.313550][ T473] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.313554][ T473] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.313556][ T473] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.313559][ T473] vprintk_emit (kernel/printk/printk.c:2479) [ 12.313562][ T473] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.313564][ T473] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 12.313568][ T473] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 12.313572][ T473] _printk (kernel/printk/printk.c:2504) [ 12.313575][ T473] ? snapshot_read.cold (user.c:?) [ 12.313577][ T473] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.313582][ T473] ? nf_conntrack_find_get (./include/net/netfilter/nf_conntrack_zones.h:61 (discriminator 1)) nf_conntrack [ 12.313592][ T473] ? idr_get_free (??:?) [ 12.313594][ T473] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) nf_conntrack [ 12.313608][ T473] __nf_conntrack_alloc.cold (net/netfilter/nf_conntrack_core.c:1671 (discriminator 3)) nf_conntrack [ 12.313616][ T473] ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2235) nf_conntrack_netlink [ 12.313620][ T473] ? __nf_conntrack_find_get (./include/linux/seqlock.h:75 (discriminator 6) ./include/net/netfilter/nf_conntrack.h:343 (discriminator 6) net/netfilter/nf_conntrack_core.c:762 (discriminator 6) net/netfilter/nf_conntrack_core.c:798 (discriminator 6)) nf_conntrack [ 12.313625][ T473] ? nf_conntrack_find_get (net/netfilter/nf_conntrack_core.c:830 (discriminator 1)) nf_conntrack [ 12.313630][ T473] ? ctnetlink_conntrack_event (net/netfilter/nf_conntrack_netlink.c:866) nf_conntrack_netlink [ 12.313633][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.313636][ T473] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.313639][ T473] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.313642][ T473] ? nf_conntrack_find_get (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netfilter/nf_conntrack_core.c:842 (discriminator 2)) nf_conntrack [ 12.313651][ T473] ctnetlink_new_conntrack (net/netfilter/nf_conntrack_netlink.c:2429) nf_conntrack_netlink [ 12.313654][ T473] ? ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2332) nf_conntrack_netlink [ 12.313656][ T473] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.313660][ T473] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.313665][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.313669][ T473] ? ctnetlink_create_conntrack (net/netfilter/nf_conntrack_netlink.c:2332) nf_conntrack_netlink [ 12.313671][ T473] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.313678][ T473] nfnetlink_rcv_msg (net/netfilter/nfnetlink.c:300) [ 12.313687][ T473] ? nfnetlink_bind (net/netfilter/nfnetlink.c:152 (discriminator 5)) [ 12.313690][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.313692][ T473] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.313705][ T473] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.313707][ T473] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.313710][ T473] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.313715][ T473] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.313718][ T473] ? nfnetlink_bind (net/netfilter/nfnetlink.c:152 (discriminator 5)) [ 12.313721][ T473] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.313722][ T473] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.313729][ T473] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.313735][ T473] nfnetlink_rcv (net/netfilter/nfnetlink.c:667) [ 12.313738][ T473] ? nfnetlink_rcv_batch (./include/linux/netlink.h:18) [ 12.313740][ T473] ? 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)) [ 12.313743][ T473] ? 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)) [ 12.313746][ T473] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.313750][ T473] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.313755][ T473] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.313759][ T473] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.313763][ T473] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.313767][ T473] ? _copy_from_user (./include/linux/instrumented.h:146 ./include/linux/uaccess.h:184 lib/usercopy.c:18) [ 12.313772][ T473] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.313775][ T473] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.313790][ T473] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.313792][ T473] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.313796][ T473] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.313799][ T473] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.313801][ T473] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.313802][ T473] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.313805][ T473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.313808][ T473] RIP: 0033:0x7f2fe1cd454e [ 12.313812][ T473] 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 [ 12.313813][ T473] RSP: 002b:00007ffca7f266f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.313816][ T473] RAX: ffffffffffffffda RBX: 00007ffca7f27750 RCX: 00007f2fe1cd454e [ 12.313817][ T473] RDX: 000000000000008c RSI: 00007ffca7f27750 RDI: 0000000000000005 [ 12.313818][ T473] RBP: 00007ffca7f26700 R08: 00007f2fe1e81980 R09: 000000000000000c [ 12.313819][ T473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffca7f27750 [ 12.313820][ T473] R13: 00005566690e58a0 R14: 0000000000000000 R15: 0000000000000002 | [ 18.988181][ T1738] softirqs last disabled at (13271): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.988183][ T1738] Preemption disabled at: | [ 18.988184][ T1738] 0x0 | [ 18.988195][ T1738] Tainted: [W]=WARN [ 18.988196][ T1738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.988198][ T1738] Call Trace: [ 18.988199][ T1738] [ 18.988200][ T1738] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.988206][ T1738] __might_resched.cold (kernel/sched/core.c:9234) [ 18.988211][ T1738] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.988214][ T1738] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.988219][ T1738] __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)) [ 18.988222][ T1738] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.988228][ T1738] ? 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) [ 18.988231][ T1738] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.988234][ T1738] put_chars (drivers/char/virtio_console.c:1176) [ 18.988237][ T1738] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.988244][ T1738] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.988251][ T1738] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.988254][ T1738] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.988259][ T1738] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.988262][ T1738] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.988263][ T1738] ? 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)) [ 18.988266][ T1738] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.988269][ T1738] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.988274][ T1738] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.988277][ T1738] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.988279][ T1738] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.988284][ T1738] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.988287][ T1738] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.988288][ T1738] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.988290][ T1738] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.988294][ T1738] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.988295][ T1738] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.988298][ T1738] vprintk_emit (kernel/printk/printk.c:2479) [ 18.988302][ T1738] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.988305][ T1738] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.988309][ T1738] _printk (kernel/printk/printk.c:2504) [ 18.988312][ T1738] ? snapshot_read.cold (user.c:?) [ 18.988315][ T1738] ? 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) [ 18.988318][ T1738] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.988322][ T1738] ? 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) [ 18.988325][ T1738] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.988329][ T1738] ? exit_notify (kernel/exit.c:780) [ 18.988330][ T1738] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.988333][ T1738] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.988337][ T1738] do_group_exit (kernel/exit.c:1151) [ 18.988340][ T1738] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.988342][ T1738] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.988345][ T1738] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.988348][ T1738] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.988352][ T1738] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.988354][ T1738] RIP: 0033:0x7f42db6ef1b8 [ 18.988356][ T1738] Code: Unable to access opcode bytes at 0x7f42db6ef18e. Code starting with the faulting instruction =========================================== [ 18.988357][ T1738] RSP: 002b:00007ffc12993038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.988360][ T1738] RAX: ffffffffffffffda RBX: 00007f42db81ff88 RCX: 00007f42db6ef1b8 [ 18.988361][ T1738] RDX: 00007f42db626748 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 18.988362][ T1738] RBP: 00007ffc12993090 R08: 0000000000000000 R09: 0000000000000020 [ 18.988363][ T1738] R10: 00007ffc12992eb0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print