====================================== | [ 12.985127] ------------[ cut here ]------------ | [ 12.985291] RTNL: assertion failed at net/core/link_watch.c (59) | [ 12.985365] WARNING: CPU: 2 PID: 947 at net/core/link_watch.c:59 rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) | [ 12.985431] Modules linked in: [ 12.985541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.985596] RIP: 0010:rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 12.985645] 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 9d 48 c7 c7 b0 cc 0d 9d 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 9d mov $0xffffffff9d1bf88d,%rsi 1d: 48 c7 c7 b0 cc 0d 9d mov $0xffffffff9d0dccb0,%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 [ 12.985766] RSP: 0018:ffffaea241387750 EFLAGS: 00010286 [ 12.985813] RAX: 0000000000000000 RBX: ffff8ea984af4000 RCX: 00000000ffffdfff [ 12.985873] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 12.985934] RBP: 0000000000000000 R08: ffffffff9d55a968 R09: 00000000ffffdfff [ 12.985995] R10: ffffffff9d47a980 R11: ffffffff9d52a980 R12: dead000000000122 [ 12.986057] R13: dead000000000100 R14: ffffffff9d1bf1fe R15: ffff8ea984af5000 [ 12.986135] FS: 00007f05fca23800(0000) GS:ffff8ea9bed00000(0000) knlGS:0000000000000000 [ 12.986197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.986253] CR2: 00000000004e4ab8 CR3: 000000000a3dc001 CR4: 0000000000772ef0 [ 12.986315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.986376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.986438] PKRU: 55555554 [ 12.986458] Call Trace: [ 12.986499] <TASK> [ 12.986533] ? __warn (kernel/panic.c:748) [ 12.986574] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 12.986613] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.986655] ? prb_read_valid (kernel/printk/printk_ringbuffer.c:2183) [ 12.986695] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.986736] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.986777] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.986820] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 12.986862] linkwatch_do_dev (net/core/link_watch.c:180) [ 12.986901] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 12.986941] ? unregister_netdevice_queue (net/core/dev.c:11456) [ 12.986990] rtnl_dellink (net/core/rtnetlink.c:3528) [ 12.987031] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 12.987072] ? netdev_run_todo (./include/linux/list.h:373 net/core/dev.c:10891) [ 12.987115] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [ 12.987154] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [ 12.987196] ? get_page_from_freelist (mm/page_alloc.c:1039 mm/page_alloc.c:1554 mm/page_alloc.c:1564 mm/page_alloc.c:3474) [ 12.987245] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [ 12.987293] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 12.987333] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 12.987372] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 12.987414] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [ 12.987454] ? copy_msghdr_from_user (net/socket.c:2534) [ 12.987503] ___sys_sendmsg (net/socket.c:2650) [ 12.987543] ? __pte_offset_map (./include/linux/pgtable.h:345 ./include/linux/pgtable.h:615 mm/pgtable-generic.c:289) [ 12.987583] ? fsnotify_grab_connector (fs/notify/mark.c:702) [ 12.987631] ? fsnotify_destroy_marks (fs/notify/mark.c:929) [ 12.987678] __sys_sendmsg (net/socket.c:2680) [ 12.987721] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.987760] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.987808] RIP: 0033:0x7f05fcc2f9a7 [ 12.987849] 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) [ 12.987970] RSP: 002b:00007fffa5c31458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 12.988031] RAX: ffffffffffffffda RBX: 00007fffa5c31b90 RCX: 00007f05fcc2f9a7 [ 12.988101] RDX: 0000000000000000 RSI: 00007fffa5c314c0 RDI: 0000000000000005 [ 12.988163] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078 [ 12.988228] R10: 00007f05fcaed4a8 R11: 0000000000000246 R12: 0000000000000001 Finger prints: rfc2863_policy:linkwatch_do_dev:netdev_run_todo:rtnl_dellink:rtnetlink_rcv_msg