====================================== | [ 1.544007] ------------[ cut here ]------------ | [ 1.544083] RTNL: assertion failed at net/core/link_watch.c (59) | [ 1.544155] WARNING: CPU: 2 PID: 266 at net/core/link_watch.c:59 rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) | [ 1.544221] Modules linked in: [ 1.544324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1.544378] RIP: 0010:rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 1.544425] 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 db bd 48 c7 c7 b0 cc cd bd 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 db bd mov $0xffffffffbddbf88d,%rsi 1d: 48 c7 c7 b0 cc cd bd mov $0xffffffffbdcdccb0,%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 [ 1.544546] RSP: 0018:ffffa27500637750 EFLAGS: 00010286 [ 1.544594] RAX: 0000000000000000 RBX: ffff958283523000 RCX: 00000000ffffdfff [ 1.544655] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 1.544716] RBP: 0000000000000000 R08: ffffffffbe15a968 R09: 00000000ffffdfff [ 1.544776] R10: ffffffffbe07a980 R11: ffffffffbe12a980 R12: dead000000000122 [ 1.544838] R13: dead000000000100 R14: ffffffffbddbf1fe R15: ffff958283522000 [ 1.544900] FS: 00007f74d5e16800(0000) GS:ffff9582bed00000(0000) knlGS:0000000000000000 [ 1.544964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.545026] CR2: 00007f974f2825a0 CR3: 000000000502e003 CR4: 0000000000772ef0 [ 1.545087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1.545150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1.545212] PKRU: 55555554 [ 1.545242] Call Trace: [ 1.545274] <TASK> [ 1.545306] ? __warn (kernel/panic.c:748) [ 1.545348] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 1.545387] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1.545430] ? prb_read_valid (kernel/printk/printk_ringbuffer.c:2183) [ 1.545470] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1.545510] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1.545550] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1.545592] ? rfc2863_policy (net/core/link_watch.c:59 net/core/link_watch.c:76) [ 1.545632] linkwatch_do_dev (net/core/link_watch.c:180) [ 1.545673] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 1.545712] ? unregister_netdevice_queue (net/core/dev.c:11456) [ 1.545761] rtnl_dellink (net/core/rtnetlink.c:3528) [ 1.545803] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 1.545842] ? netdev_run_todo (./include/linux/list.h:373 net/core/dev.c:10891) [ 1.545883] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3484) [ 1.545921] rtnetlink_rcv_msg (net/core/rtnetlink.c:6902) [ 1.545962] ? get_page_from_freelist (mm/page_alloc.c:1039 mm/page_alloc.c:1554 mm/page_alloc.c:1564 mm/page_alloc.c:3474) [ 1.546018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6805) [ 1.546066] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 1.546108] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 1.546148] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 1.546189] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [ 1.546229] ? copy_msghdr_from_user (net/socket.c:2534) [ 1.546277] ___sys_sendmsg (net/socket.c:2650) [ 1.546317] ? __pte_offset_map (./include/linux/pgtable.h:345 ./include/linux/pgtable.h:615 mm/pgtable-generic.c:289) [ 1.546358] ? fsnotify_grab_connector (fs/notify/mark.c:702) [ 1.546407] ? fsnotify_destroy_marks (fs/notify/mark.c:929) [ 1.546453] __sys_sendmsg (net/socket.c:2680) [ 1.546493] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 1.546534] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1.546582] RIP: 0033:0x7f74d60229a7 [ 1.546622] 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) [ 1.546743] RSP: 002b:00007ffd460a2148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 1.546804] RAX: ffffffffffffffda RBX: 00007ffd460a2870 RCX: 00007f74d60229a7 [ 1.546866] RDX: 0000000000000000 RSI: 00007ffd460a21b0 RDI: 0000000000000005 [ 1.546925] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 1.546990] R10: 00007f74d5ee0ef8 R11: 0000000000000246 R12: 0000000000000002 Finger prints: rfc2863_policy:linkwatch_do_dev:netdev_run_todo:rtnl_dellink:rtnetlink_rcv_msg