====================================== | [ 164.484055] bond0 (unregistering): Released all slaves | [ 164.484370] br0: port 2(s1) entered disabled state | [ 164.484517] br0: port 4(s2) entered disabled state | [ 164.503739] Oops: general protection fault, probably for non-canonical address 0x406dc042081f00: 0000 [#1] SMP [ 164.503981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.504043] RIP: 0010:bond_fill_info (drivers/net/bonding/bond_netlink.c:719) [ 164.504107] 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 [ 164.504262] RSP: 0018:ffffb93744cf76f8 EFLAGS: 00010246 [ 164.504311] RAX: 0000000000000000 RBX: ffffa07741ac0100 RCX: 0000000000000000 [ 164.504377] RDX: 00406dc042081f00 RSI: 0000000000000000 RDI: ffffa07746470298 [ 164.504469] RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000000 [ 164.504555] R10: ffffa07746470298 R11: fefefefefefefeff R12: ffffa07744f6eb38 [ 164.504629] R13: ffffa07744f6e000 R14: ffffa07746470294 R15: ffffa07746470248 [ 164.504704] FS: 00007faac9607800(0000) GS:ffffa077f0fc6000(0000) knlGS:0000000000000000 [ 164.504773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.504831] CR2: 00000000004e5a38 CR3: 0000000006b73003 CR4: 0000000000772ef0 [ 164.504916] PKRU: 55555554 [ 164.504950] Call Trace: [ 164.504983] [ 164.505011] ? dev_get_stats (net/core/dev.c:11652 (discriminator 2)) [ 164.505064] ? nla_reserve (lib/nlattr.c:973) [ 164.505108] rtnl_fill_ifinfo.constprop.0 (net/core/rtnetlink.c:901 net/core/rtnetlink.c:921 net/core/rtnetlink.c:2133) [ 164.505158] ? __alloc_skb (net/core/skbuff.c:669) [ 164.505202] ? kmalloc_reserve (net/core/skbuff.c:603) [ 164.505241] ? kmalloc_reserve (net/core/skbuff.c:603) [ 164.505276] rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4404) [ 164.505338] rtmsg_ifinfo (net/core/rtnetlink.c:4434 net/core/rtnetlink.c:4424 net/core/rtnetlink.c:4443) [ 164.505384] __dev_notify_flags (net/core/dev.c:9575) [ 164.505437] ? queue_delayed_work_on (kernel/workqueue.c:2560) [ 164.505494] rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.505533] rtnl_newlink (net/core/rtnetlink.c:3835 net/core/rtnetlink.c:3942 net/core/rtnetlink.c:4057) [ 164.505571] ? netdev_run_todo (./include/linux/list.h:373 net/core/dev.c:11464) [ 164.505612] ? rtnl_setlink (net/core/rtnetlink.c:3948) [ 164.505649] rtnetlink_rcv_msg (net/core/rtnetlink.c:6947) [ 164.505687] ? get_page_from_freelist (mm/page_alloc.c:1227 mm/page_alloc.c:1849 mm/page_alloc.c:1859 mm/page_alloc.c:3858) [ 164.505743] ? rtnl_calcit.isra.0 (net/core/rtnetlink.c:6849) [ 164.505796] netlink_rcv_skb (net/netlink/af_netlink.c:2552) [ 164.505844] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 164.505888] ? __alloc_skb (net/core/skbuff.c:685) [ 164.505941] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.505980] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.506017] ? copy_msghdr_from_user (net/socket.c:2554) [ 164.506066] ___sys_sendmsg (net/socket.c:2670) [ 164.506105] ? do_wp_page (./include/linux/mmu_notifier.h:468 mm/memory.c:3659 mm/memory.c:4013) [ 164.506148] ? ___pte_offset_map (./include/linux/pgtable.h:347 ./include/linux/pgtable.h:635 mm/pgtable-generic.c:288) [ 164.506190] ? __handle_mm_fault (mm/memory.c:6068 mm/memory.c:6195) [ 164.506242] ? fsnotify_grab_connector (fs/notify/mark.c:709) [ 164.506298] ? fsnotify_destroy_marks (fs/notify/mark.c:937) [ 164.506354] __sys_sendmsg (net/socket.c:2700) [ 164.506394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.506453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.506514] RIP: 0033:0x7faac97d41e7 [ 164.506565] 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) [ 164.506768] RSP: 002b:00007ffe132a6b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.506836] RAX: ffffffffffffffda RBX: 00007ffe132a72d0 RCX: 00007faac97d41e7 [ 164.506908] RDX: 0000000000000000 RSI: 00007ffe132a6c00 RDI: 0000000000000005 [ 164.506976] RBP: 000000000000000a R08: 0000000000000068 R09: 0000000000000000 [ 164.507046] R10: 00007faac9862ac0 R11: 0000000000000246 R12: 00007ffe132a72e8 Finger prints: bond_fill_info:rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link