====================================== | [ 1590.234929] test-bond0 (unregistering): (slave eni10np1): Releasing backup interface | [ 1590.251182] test-bond0 (unregistering): (slave eni20np1): Releasing backup interface | [ 1590.261145] test-bond0 (unregistering): Released all slaves | [ 1590.549751] Oops: general protection fault, probably for non-canonical address 0xdead000000000122: 0000 [#1] PREEMPT SMP NOPTI [ 1590.549925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1590.550009] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) [ 1590.550060] Code: 89 d6 48 83 ed 10 0f 84 08 01 00 00 48 8b 5d 10 45 84 f6 74 0d 80 bd 9c 00 00 00 00 0f 88 e0 00 00 00 48 8b 45 00 48 8b 55 08 <48> 89 02 48 85 c0 74 04 48 89 50 08 48 8b 45 10 48 8b 55 18 4c 89 All code ======== 0: 89 d6 mov %edx,%esi 2: 48 83 ed 10 sub $0x10,%rbp 6: 0f 84 08 01 00 00 je 0x114 c: 48 8b 5d 10 mov 0x10(%rbp),%rbx 10: 45 84 f6 test %r14b,%r14b 13: 74 0d je 0x22 15: 80 bd 9c 00 00 00 00 cmpb $0x0,0x9c(%rbp) 1c: 0f 88 e0 00 00 00 js 0x102 22: 48 8b 45 00 mov 0x0(%rbp),%rax 26: 48 8b 55 08 mov 0x8(%rbp),%rdx 2a:* 48 89 02 mov %rax,(%rdx) <-- trapping instruction 2d: 48 85 c0 test %rax,%rax 30: 74 04 je 0x36 32: 48 89 50 08 mov %rdx,0x8(%rax) 36: 48 8b 45 10 mov 0x10(%rbp),%rax 3a: 48 8b 55 18 mov 0x18(%rbp),%rdx 3e: 4c rex.WR 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 48 89 02 mov %rax,(%rdx) 3: 48 85 c0 test %rax,%rax 6: 74 04 je 0xc 8: 48 89 50 08 mov %rdx,0x8(%rax) c: 48 8b 45 10 mov 0x10(%rbp),%rax 10: 48 8b 55 18 mov 0x18(%rbp),%rdx 14: 4c rex.WR 15: 89 .byte 0x89 [ 1590.550191] RSP: 0018:ffff997a003778e8 EFLAGS: 00010246 [ 1590.550231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000018 [ 1590.550286] RDX: dead000000000122 RSI: ffff8bd7c6baf000 RDI: 0000000000000002 [ 1590.550338] RBP: ffff8bd7ca46d200 R08: 0000000000000000 R09: ffff997a00377880 [ 1590.550394] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffb1e2dda0 [ 1590.550450] R13: dead000000000122 R14: 0000000000000000 R15: 0000000000000000 [ 1590.550509] FS: 00007f5eb8d3c800(0000) GS:ffff8bd7fed00000(0000) knlGS:0000000000000000 [ 1590.550571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1590.550617] CR2: 00000000004e2d90 CR3: 0000000003f28004 CR4: 0000000000772ef0 [ 1590.550672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1590.550734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1590.550790] PKRU: 55555554 [ 1590.550809] Call Trace: [ 1590.550832] [ 1590.550854] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) [ 1590.550888] ? exc_general_protection (arch/x86/kernel/traps.c:748 arch/x86/kernel/traps.c:693) [ 1590.550933] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) [ 1590.550977] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) [ 1590.551020] __neigh_ifdown.isra.0 (net/core/neighbour.c:425) [ 1590.551061] neigh_ifdown (net/core/neighbour.c:445) [ 1590.551095] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) [ 1590.551132] notifier_call_chain (kernel/notifier.c:93) [ 1590.551171] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) [ 1590.551213] __inet_del_ifa (net/ipv4/devinet.c:488) [ 1590.551250] inet_rtm_deladdr (net/ipv4/devinet.c:706) [ 1590.551282] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [ 1590.551320] ? get_page_from_freelist (mm/page_alloc.c:1035 mm/page_alloc.c:1535 mm/page_alloc.c:1545 mm/page_alloc.c:3457) [ 1590.551365] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 1590.551403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 1590.551441] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 1590.551472] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 1590.551500] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [ 1590.551537] ? copy_msghdr_from_user (net/socket.c:2547) [ 1590.551579] ___sys_sendmsg (net/socket.c:2663) [ 1590.551615] ? do_wp_page (./include/linux/mmu_notifier.h:468 mm/memory.c:3460 mm/memory.c:3745) [ 1590.551648] ? __pte_offset_map (./include/linux/pgtable.h:324 ./include/linux/pgtable.h:594 mm/pgtable-generic.c:289) [ 1590.551683] ? __pte_offset_map (./include/linux/pgtable.h:324 ./include/linux/pgtable.h:594 mm/pgtable-generic.c:289) [ 1590.551718] ? fsnotify_grab_connector (fs/notify/mark.c:696) [ 1590.551762] ? fsnotify_destroy_marks (fs/notify/mark.c:923) [ 1590.551806] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [ 1590.551835] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 1590.551872] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1590.551917] RIP: 0033:0x7f5eb8f487b7 [ 1590.551949] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 1590.552079] RSP: 002b:00007ffd2280a018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1590.552142] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5eb8f487b7 [ 1590.552199] RDX: 0000000000000000 RSI: 00007ffd2280a080 RDI: 0000000000000005 [ 1590.552255] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078 [ 1590.552312] R10: 00007f5eb8e06ef8 R11: 0000000000000246 R12: 00007ffd2280a7d0 Finger prints: neigh_ifdown:fib_inetaddr_event:notifier_call_chain:blocking_notifier_call_chain:__inet_del_ifa