syzbot


SYZFAIL: handshake read failed

Status: upstream: reported on 2026/05/01 02:15
Reported-by: syzbot+350a5ea5c51098902cea@syzkaller.appspotmail.com
First crash: 24d, last: 24d

Sample crash report:
SYZFAIL: handshake read failed
read=18446744073709551615 (errno 4: Interrupted system call)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: repeatedly failed to execute the program
proc=8 req=189 state=1 status=67 (errno 4: Interrupted system call)
uvn_flush: obj=0xfffffd806e8b1be8, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!

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

login: trace
Password:
Login incorrect
login: show proc
Password:
Login incorrect
login: show all locks
Password:
Login incorrect
login: 

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/01 02:14 openbsd 2117c4c4e299 340bcdf0 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: handshake read failed
* Struck through repros no longer work on HEAD.