====================================== | [ 4.218147] ------------[ cut here ]------------ | [ 4.218231] RTNL: assertion failed at net/core/link_watch.c (59) | [ 4.218302] WARNING: CPU: 2 PID: 711 at net/core/link_watch.c:59 rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) | [ 4.218371] Modules linked in: [ 4.218475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4.218528] RIP: 0010:rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 4.218578] Code: 80 3d 27 7d 07 01 00 75 ca c6 05 1e 7d 07 01 01 90 ba 3b 00 00 00 48 c7 c6 8d f8 1b a7 48 c7 c7 b0 cc 0d a7 e8 7f 37 56 ff 90 <0f> 0b 90 90 eb a3 83 f8 06 0f 85 14 ff ff ff b8 05 00 00 00 e9 0a All code ======== 0: 80 3d 27 7d 07 01 00 cmpb $0x0,0x1077d27(%rip) # 0x1077d2e 7: 75 ca jne 0xffffffffffffffd3 9: c6 05 1e 7d 07 01 01 movb $0x1,0x1077d1e(%rip) # 0x1077d2e 10: 90 nop 11: ba 3b 00 00 00 mov $0x3b,%edx 16: 48 c7 c6 8d f8 1b a7 mov $0xffffffffa71bf88d,%rsi 1d: 48 c7 c7 b0 cc 0d a7 mov $0xffffffffa70dccb0,%rdi 24: e8 7f 37 56 ff call 0xffffffffff5637a8 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: eb a3 jmp 0xffffffffffffffd3 30: 83 f8 06 cmp $0x6,%eax 33: 0f 85 14 ff ff ff jne 0xffffffffffffff4d 39: b8 05 00 00 00 mov $0x5,%eax 3e: e9 .byte 0xe9 3f: 0a .byte 0xa Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: eb a3 jmp 0xffffffffffffffa9 6: 83 f8 06 cmp $0x6,%eax 9: 0f 85 14 ff ff ff jne 0xffffffffffffff23 f: b8 05 00 00 00 mov $0x5,%eax 14: e9 .byte 0xe9 15: 0a .byte 0xa [ 4.218698] RSP: 0018:ffffb3ed00def750 EFLAGS: 00010286 [ 4.218744] RAX: 0000000000000000 RBX: ffff9e39c53ab000 RCX: 00000000ffffdfff [ 4.218805] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 4.218876] RBP: 0000000000000000 R08: ffffffffa755a968 R09: 00000000ffffdfff [ 4.218946] R10: ffffffffa747a980 R11: ffffffffa752a980 R12: dead000000000122 [ 4.219007] R13: dead000000000100 R14: ffffffffa71bf1fe R15: ffff9e39c53ac000 [ 4.219069] FS: 00007f03b5e22800(0000) GS:ffff9e39fed00000(0000) knlGS:0000000000000000 [ 4.219140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.219193] CR2: 00000000004e4aa0 CR3: 0000000007fee006 CR4: 0000000000772ef0 [ 4.219256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4.219318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4.219377] PKRU: 55555554 [ 4.219408] Call Trace: [ 4.219440] <TASK> [ 4.219472] ? __warn (kernel/panic.c:748) [ 4.219514] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 4.219554] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 4.219594] ? prb_read_valid (kernel/printk/printk_ringbuffer.c:2183) [ 4.219635] ? handle_bug (arch/x86/kernel/traps.c:285) [ 4.219675] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 4.219714] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 4.219757] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 4.219796] linkwatch_do_dev (net/core/link_watch.c:180) [ 4.219837] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 4.219890] ? unregister_netdevice_queue (net/core/dev.c:11456) [ 4.219952] rtnl_dellink (net/core/rtnetlink.c:3528) [ 4.220003] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 4.220042] ? netdev_run_todo (./include/linux/list.h:373 net/core/dev.c:10891) [ 4.220082] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [ 4.220125] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [ 4.220163] ? get_page_from_freelist (mm/page_alloc.c:1039 mm/page_alloc.c:1554 mm/page_alloc.c:1564 mm/page_alloc.c:3474) [ 4.220213] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [ 4.220258] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 4.220302] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 4.220342] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 4.220380] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [ 4.220422] ? copy_msghdr_from_user (net/socket.c:2534) [ 4.220468] ___sys_sendmsg (net/socket.c:2650) [ 4.220510] ? __pte_offset_map (./include/linux/pgtable.h:345 ./include/linux/pgtable.h:615 mm/pgtable-generic.c:289) [ 4.220550] ? fsnotify_grab_connector (fs/notify/mark.c:702) [ 4.220596] ? fsnotify_destroy_marks (fs/notify/mark.c:929) [ 4.220644] __sys_sendmsg (net/socket.c:2680) [ 4.220683] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 4.220725] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 4.220773] RIP: 0033:0x7f03b602e9a7 [ 4.220812] 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) [ 4.220939] RSP: 002b:00007ffe382131d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 4.221002] RAX: ffffffffffffffda RBX: 00007ffe38213910 RCX: 00007f03b602e9a7 [ 4.221063] RDX: 0000000000000000 RSI: 00007ffe38213240 RDI: 0000000000000005 [ 4.221127] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 4.221188] R10: 00007f03b5eec4a8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: rfc2863_policy:linkwatch_do_dev:netdev_run_todo:rtnl_dellink:rtnetlink_rcv_msg