====================================== | [ 7.093753] bond0 (unregistering): (slave eth0): Releasing backup interface | [ 7.098027] bond0 (unregistering): (slave eth1): Releasing backup interface | [ 7.106007] bond0 (unregistering): Released all slaves | [ 7.123405] Oops: general protection fault, probably for non-canonical address 0xffffffaaf88622: 0000 [#1] SMP [ 7.123572] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.123614] RIP: 0010:bond_fill_info (drivers/net/bonding/bond_netlink.c:719) [ 7.123659] Code: 84 05 04 00 00 41 8b 04 24 85 c0 0f 84 f0 04 00 00 89 44 24 10 41 b8 04 00 00 00 41 f6 44 24 10 02 74 b3 49 8b 54 24 08 31 c0 <0f> b7 0c 02 44 8d 40 08 66 89 4c 04 14 0f b7 4c 02 02 66 89 4c 04 All code ======== 0: 84 05 04 00 00 41 test %al,0x41000004(%rip) # 0x4100000a 6: 8b 04 24 mov (%rsp),%eax 9: 85 c0 test %eax,%eax b: 0f 84 f0 04 00 00 je 0x501 11: 89 44 24 10 mov %eax,0x10(%rsp) 15: 41 b8 04 00 00 00 mov $0x4,%r8d 1b: 41 f6 44 24 10 02 testb $0x2,0x10(%r12) 21: 74 b3 je 0xffffffffffffffd6 23: 49 8b 54 24 08 mov 0x8(%r12),%rdx 28: 31 c0 xor %eax,%eax 2a:* 0f b7 0c 02 movzwl (%rdx,%rax,1),%ecx <-- trapping instruction 2e: 44 8d 40 08 lea 0x8(%rax),%r8d 32: 66 89 4c 04 14 mov %cx,0x14(%rsp,%rax,1) 37: 0f b7 4c 02 02 movzwl 0x2(%rdx,%rax,1),%ecx 3c: 66 data16 3d: 89 .byte 0x89 3e: 4c rex.WR 3f: 04 .byte 0x4 Code starting with the faulting instruction =========================================== 0: 0f b7 0c 02 movzwl (%rdx,%rax,1),%ecx 4: 44 8d 40 08 lea 0x8(%rax),%r8d 8: 66 89 4c 04 14 mov %cx,0x14(%rsp,%rax,1) d: 0f b7 4c 02 02 movzwl 0x2(%rdx,%rax,1),%ecx 12: 66 data16 13: 89 .byte 0x89 14: 4c rex.WR 15: 04 .byte 0x4 [ 7.123784] RSP: 0018:ffffb34bc073f6f8 EFLAGS: 00010246 [ 7.123825] RAX: 0000000000000000 RBX: ffff90140330d900 RCX: 0000000000000000 [ 7.123884] RDX: 00ffffffaaf88622 RSI: 0000000000000000 RDI: ffff901404fa5298 [ 7.123935] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 7.123985] R10: ffff901404fa5298 R11: fefefefefefefeff R12: ffff901404f98b38 [ 7.124034] R13: ffff901404f98000 R14: ffff901404fa5294 R15: ffff901404fa5248 [ 7.124085] FS: 00007f2d3f5b8800(0000) GS:ffff901493746000(0000) knlGS:0000000000000000 [ 7.124155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.124203] CR2: 00007f2d3f80c0e0 CR3: 000000000331c005 CR4: 0000000000772ef0 [ 7.124257] PKRU: 55555554 [ 7.124274] Call Trace: [ 7.124294] [ 7.124319] ? dev_get_stats (net/core/dev.c:11652 (discriminator 2)) [ 7.124354] ? nla_reserve (lib/nlattr.c:973) [ 7.124392] rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:901 net/core/rtnetlink.c:921 net/core/rtnetlink.c:2133) [ 7.124432] ? __kmalloc_node_track_caller_noprof (mm/slub.c:3981 mm/slub.c:4056 mm/slub.c:4217 mm/slub.c:4364 mm/slub.c:4384) [ 7.124482] ? __alloc_skb (net/core/skbuff.c:669) [ 7.124515] ? kmalloc_reserve (net/core/skbuff.c:603) [ 7.124547] ? kmalloc_reserve (net/core/skbuff.c:603) [ 7.124580] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4404) [ 7.124616] rtmsg_ifinfo (net/core/rtnetlink.c:4434 net/core/rtnetlink.c:4424 net/core/rtnetlink.c:4443) [ 7.124647] __dev_notify_flags (net/core/dev.c:9575) [ 7.124674] ? register_netdevice (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev.c:11233) [ 7.124715] rtnl_configure_link (net/core/rtnetlink.c:3592) [ 7.124741] rtnl_newlink (net/core/rtnetlink.c:3835 net/core/rtnetlink.c:3942 net/core/rtnetlink.c:4057) [ 7.124769] ? rtnl_setlink (net/core/rtnetlink.c:3948) [ 7.124799] rtnetlink_rcv_msg (net/core/rtnetlink.c:6947) [ 7.124825] ? update_load_avg (kernel/sched/fair.c:4734) [ 7.124858] ? rtnl_calcit.isra.0 (net/core/rtnetlink.c:6849) [ 7.124893] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 7.124920] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 7.124946] ? __alloc_skb (net/core/skbuff.c:685) [ 7.124973] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 7.124999] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 7.125024] ? copy_msghdr_from_user (net/socket.c:2554) [ 7.125074] ___sys_sendmsg (net/socket.c:2670) [ 7.125101] ? __handle_mm_fault (mm/memory.c:5565 mm/memory.c:5707 mm/memory.c:4234 mm/memory.c:6052 mm/memory.c:6195) [ 7.125151] __sys_sendmsg (net/socket.c:2700) [ 7.125180] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 7.125212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 7.125248] RIP: 0033:0x7f2d3f7851e7 [ 7.125279] Code: 0e 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: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 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) [ 7.125424] RSP: 002b:00007ffd85d57c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 7.125480] RAX: ffffffffffffffda RBX: 00007ffd85d58360 RCX: 00007f2d3f7851e7 [ 7.125534] RDX: 0000000000000000 RSI: 00007ffd85d57c90 RDI: 0000000000000005 [ 7.125594] RBP: 0000000000000006 R08: 0000000000000058 R09: 0000000000000000 [ 7.125647] R10: 00007f2d3f67d6f8 R11: 0000000000000246 R12: 00007ffd85d58378 Finger prints: bond_fill_info:rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link