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

Status: upstream: reported C repro on 2026/10/16 09:12
Reported-by: syzbot+b13950f44970bfcd0250@syzkaller.appspotmail.com
First crash: 35d, last: 1d14h

Sample crash report:
IPv6: BUG: Address ::ffff:224.0.0.2 on device lo is missing its host route.

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/16 09:02 android13-5.10-lts f5932bf046b5 3f2522c6 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: Address IPV6ADDR:IP on device lo is missing its host route.
2026/09/12 20:31 android13-5.10-lts 452567d1985b 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: Address IPV6ADDR:IP on device lo is missing its host route.
* Struck through repros no longer work on HEAD.