SYZFAIL: cover_unprotect invoked

Status: upstream: reported on 2026/09/03 13:12
Reported-by: syzbot+3c99995d365c6c1ed260@syzkaller.appspotmail.com
First crash: 15d, last: 15d

Sample crash report:
7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!7ŚR!SYZFAIL: cover_unprotect invoked
OpenBSD/amd64 (ci-openbsd-kasan-3.us-central1-c.c.syzkaller.internal) (tty00)

login: 

OpenBSD/amd64 (ci-openbsd-kasan-3.us-central1-c.c.syzkaller.internal) (tty00)

SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=-1 (errno 54: Connection reset by peer)
login: uvn_flush: obj=0xffff80000192a698, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!
set $lines = 0
Password:
Login incorrect
login: show panic
Password:
Login incorrect
login: trace
Password:
Login incorrect
login: show proc
Password:
Login incorrect
show all locks
login: Password:
Login incorrect
show all pools
login: Password:
Login incorrect
trace
login: Password:
Login incorrect
trace
login: Password:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/03 13:11 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan aafb676041ac d2e5fb95 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: cover_unprotect invoked
* Struck through repros no longer work on HEAD.