syzbot


SYZFAIL: tun: can't open device (4)

Status: upstream: reported on 2024/07/10 23:03
Reported-by: syzbot+7ec703a82c31612b9090@syzkaller.appspotmail.com
First crash: 59d, last: 1d12h
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd SYZFAIL: tun: can't open device (2) 1 1141d 1141d 0/3 auto-closed as invalid on 2021/10/22 18:00
openbsd SYZFAIL: tun: can't open device (3) 86 967d 967d 0/3 closed as invalid on 2022/01/15 08:41
openbsd SYZFAIL: tun: can't open device syz 4 1283d 1283d 3/3 fixed on 2021/03/10 05:59

Sample crash report:
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
SYZFAIL: ioctl remote attach failed
 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
SYZFAIL: tun: can't open device
device=/dev/tap1 (errno 16: Device busy)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
ifconfig: socket: No buffer space available
ifconfig: socket: No buffer space available
SYZFAIL: command failed
command=PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ifconfig tap1 lladdr aa:aa:aa:aa:aa:aa: 256 (errno 1: Operation not permitted)
SYZFAIL: repeatedly failed to execute the program
proc=1 req=505 state=1 status=67 (errno 4: Interrupted system call)



OpenBSD/amd64 (ci-openbsd-multicore-6.us-central1-b.c.syzkaller.internal) (tty00)

login: set $lines = 0
Password:
Login incorrect
login: show panic
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Password:
Login incorrect
show malloc
login: Password:
Login incorrect

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/06 14:00 openbsd 4ffa82dac1f1 ce70880a .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: tun: can't open device
2024/09/04 22:53 openbsd e203d0a41845 dfbe2ed4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: tun: can't open device
2024/09/02 06:08 openbsd c920a736d2c1 1eda0d14 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: tun: can't open device
2024/08/26 11:07 openbsd 7a4fa660cb4e d7d32352 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: tun: can't open device
2024/08/19 04:33 openbsd 9f72e83a098d dbc93b08 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: tun: can't open device
2024/07/10 23:02 openbsd 2617e43b76b7 c699c2eb .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: tun: can't open device
* Struck through repros no longer work on HEAD.