====================================== | [ 36.608570][ T318] lag2: Port device veth5 added | [ 36.976572][ T320] 8021q: adding VLAN 0 to HW filter on device lag2 | [ 36.978754][ T311] BUG: spinlock bad magic on CPU#3, teamd/311 | [ 36.978972][ T311] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: teamd/311, .owner_cpu: 3 [ 36.979394][ T311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.979680][ T311] Call Trace: [ 36.979846][ T311] [ 36.979927][ T311] dump_stack_lvl (lib/dump_stack.c:122) [ 36.980066][ T311] do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141) [ 36.980212][ T311] _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186) [ 36.980342][ T311] __dev_xmit_skb (./include/net/sch_generic.h:226 ./include/net/sch_generic.h:217 net/core/dev.c:3879) [ 36.980480][ T311] ? __pfx___dev_xmit_skb (net/core/dev.c:3784) [ 36.980613][ T311] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:890 net/core/dev.c:4348) [ 36.980727][ T311] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 36.980847][ T311] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:890 net/core/dev.c:4348) [ 36.980979][ T311] __dev_queue_xmit (net/core/dev.c:4389) [ 36.981103][ T311] ? skb_set_owner_w (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:749 ./include/linux/atomic/atomic-instrumented.h:253 ./include/linux/refcount.h:184 ./include/linux/refcount.h:213 net/core/sock.c:2544) [ 36.981237][ T311] ? __pfx___dev_queue_xmit (net/core/dev.c:4332) [ 36.981368][ T311] ? packet_parse_headers (./include/linux/skbuff.h:3051 net/packet/af_packet.c:2005) [ 36.981496][ T311] ? __pfx_sock_alloc_send_pskb (net/core/sock.c:2788) [ 36.981635][ T311] ? __pfx_packet_parse_headers (net/packet/af_packet.c:1990) [ 36.981757][ T311] ? skb_copy_datagram_from_iter (net/core/datagram.c:561) [ 36.981912][ T311] ? packet_cached_dev_get (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/packet/af_packet.c:295) [ 36.982039][ T311] packet_snd (net/packet/af_packet.c:3145) [ 36.982184][ T311] ? __pfx_packet_snd (net/packet/af_packet.c:3008) [ 36.982304][ T311] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 36.982458][ T311] __sys_sendto (net/socket.c:730 net/socket.c:745 net/socket.c:2204) [ 36.982592][ T311] ? __pfx___sys_sendto (net/socket.c:2174) [ 36.982729][ T311] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 36.982853][ T311] ? __pfx___sys_getsockname (net/socket.c:2098) [ 36.982982][ T311] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:961) [ 36.983146][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.983251][ T320] ip (320) used greatest stack depth: 23664 bytes left [ 36.983298][ T311] __x64_sys_sendto (net/socket.c:2212) [ 36.983576][ T311] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 36.983728][ T311] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 36.983852][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 36.984028][ T311] RIP: 0033:0x7fe4c762d700 [ 36.984160][ T311] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 All code ======== 0: ff (bad) 1: ff 64 89 02 jmp *0x2(%rcx,%rcx,4) 5: eb bd jmp 0xffffffffffffffc4 7: 0f 1f 00 nopl (%rax) a: f3 0f 1e fa endbr64 e: 41 89 ca mov %ecx,%r10d 11: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 18: 00 19: 85 c0 test %eax,%eax 1b: 75 1d jne 0x3a 1d: 45 31 c9 xor %r9d,%r9d 20: 45 31 c0 xor %r8d,%r8d 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 68 ja 0x9a 32: c3 ret 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 41 54 push %r12 3c: 48 83 ec 20 sub $0x20,%rsp Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 68 ja 0x70 8: c3 ret 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 41 54 push %r12 12: 48 83 ec 20 sub $0x20,%rsp [ 36.984614][ T311] RSP: 002b:00007ffeca82ea98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 36.984816][ T311] RAX: ffffffffffffffda RBX: 000000003e4b8fc0 RCX: 00007fe4c762d700 [ 36.985009][ T311] RDX: 000000000000007c RSI: 00007ffeca82eb10 RDI: 0000000000000013 [ 36.985198][ T311] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 36.985392][ T311] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c Finger prints: do_raw_spin_unlock:_raw_spin_unlock:__dev_xmit_skb:__dev_queue_xmit:packet_snd