BUG: Address fc00:: on device NUMNUM'|d is missing its host route.

Status: closed as dup on 2026/08/16 02:34
Labels: prio:normal
[Documentation on labels]
Reported-by: syzbot+aca29082261a1cd90253@syzkaller.appspotmail.com
First crash: 41d, last: 41d
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ID Workflow Result Correct Bug Created Started Finished Revision
136f8ea4 assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ BUG: Address fc00:: on device NUMNUM'|d is missing its host route. 2026/08/13 00:00 2026/08/13 00:00 2026/08/13 00:40 a56bc0a5
▶ ▼ Duplicate of
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
BUG: Address fc00:: on device lo is missing its host route. prio:high -1 syz, C 45 19d 45d

Sample crash report:
IPv6: BUG: Address fc00:: on device 26'|d is missing its host route.

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/11 23:38 upstream f5bbbfec59b4 f8d35649 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: Address fc00:: on device NUMNUM'|d is missing its host route.
* Struck through repros no longer work on HEAD.