BUG: Address IPV6ADDR on device lo is missing its host route.

Status: upstream: reported C repro on 2026/09/25 16:37
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+d4574dae1ff5c40ed6a5@syzkaller.appspotmail.com
First crash: 47d, last: 15d
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/09/26 lts (merge base) 090666d3cc90 C [report] BUG: Address IPV6ADDR on device lo is missing its host route.
2026/09/26 upstream (ToT) 6812ce4e4379 C [report] BUG: Address IPV6ADDR on device lo is missing its host route.
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: Address IPV6ADDR on device lo is missing its host route. -1 syz, C 105 8d13h 51d 0/2 upstream: reported C repro on 2026/09/21 01:01
linux-6.6 BUG: Address IPV6ADDR on device lo is missing its host route. -1 4 39d 46d 0/2 upstream: reported on 2026/09/26 09:21
linux-6.1 BUG: Address IPV6ADDR on device lo is missing its host route. -1 syz, C 19 9h07m 45d 0/3 upstream: reported C repro on 2026/09/27 22:20
linux-5.15 BUG: Address IPV6ADDR on device lo is missing its host route. -1 syz, C 4 27d 68d 0/3 upstream: reported C repro on 2026/09/04 13:28
android-5-15 BUG: Address IPV6ADDR on device lo is missing its host route. -1 syz, C 26 2d22h 46d 0/2 upstream: reported C repro on 2026/09/27 00:41

Sample crash report:
IPv6: BUG: Address fc00:: on device lo is missing its host route.

Crashes (31):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/27 02:55 android14-6.1 e7e4a657fff8 168cb7a2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/05 18:19 android14-6.1 6612ef9d0b09 af63e995 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/09/25 16:37 android14-6.1 3d4bd33f0b0b f281d9d2 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/26 01:38 android14-6.1 2f0d864181b9 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/24 06:30 android14-6.1 04566490b518 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/24 03:50 android14-6.1 04566490b518 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/24 02:43 android14-6.1 04566490b518 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/21 21:17 android14-6.1 3ad9f1eca4fa 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/21 21:16 android14-6.1 3ad9f1eca4fa 4ba27f85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/21 06:41 android14-6.1 5d72892f2677 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/21 02:05 android14-6.1 5d72892f2677 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 22:01 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:43 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:38 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:21 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:16 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:16 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:12 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:10 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 20:10 android14-6.1 bb5a6085be4a df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/20 06:44 android14-6.1 bb5a6085be4a 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/19 05:15 android14-6.1 48e3cd973485 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/15 23:47 android14-6.1 b44b71789840 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/14 15:37 android14-6.1 e3b8fb598ad4 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/14 15:37 android14-6.1 e3b8fb598ad4 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/14 15:35 android14-6.1 e3b8fb598ad4 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/14 15:35 android14-6.1 e3b8fb598ad4 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/14 15:34 android14-6.1 e3b8fb598ad4 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/14 12:17 android14-6.1 e3b8fb598ad4 1a71827b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/13 22:05 android14-6.1 e3b8fb598ad4 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
2026/10/13 07:56 android14-6.1 31addbff5e86 5a1eeac4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: Address IPV6ADDR on device lo is missing its host route.
* Struck through repros no longer work on HEAD.