syzbot


SYZFAIL: ioctl remote attach failed (6)

Status: upstream: reported on 2025/02/03 09:06
Reported-by: syzbot+36f9133b5f33a54a89a3@syzkaller.appspotmail.com
First crash: 488d, last: now
Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd SYZFAIL: ioctl remote attach failed (4) -1 68 1503d 1617d 0/3 auto-closed as invalid on 2022/07/24 17:48
openbsd SYZFAIL: ioctl remote attach failed -1 3 1748d 1800d 0/3 auto-closed as invalid on 2021/11/21 23:20
openbsd SYZFAIL: ioctl remote attach failed (3) -1 13 1621d 1625d 3/3 fixed on 2021/12/30 01:33
openbsd SYZFAIL: ioctl remote attach failed (5) -1 3214 563d 696d 0/3 auto-obsoleted due to no activity on 2025/01/09 12:00
openbsd SYZFAIL: ioctl remote attach failed (2) -1 6 1630d 1650d 0/3 closed as invalid on 2021/12/21 06:21

Sample crash report:
SYZFAIL: ioctl remote attach failed
 (errno 16: Device busy)
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: ioctl remote attach failed
 (errno 16: Device busy)
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: tun_id out of range
tun_id=8 (errno 9: Bad file descriptor)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=8 req=637 state=3 status=67 (errno 32: Broken pipe)


OpenBSD/amd64 (ci-openbsd-setuid-2.us-central1-a.c.syzkaller.internal) (tty00)

login: set $lines = 0
uvn_flush: obj=0xfffffb806ef4f5a8, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!
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
machine ddbcpu 0
login: Password:
Login incorrect
machine ddbcpu 1
login: Password:
Login incorrect
login: 

Crashes (74815):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/07 07:48 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/07 06:44 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/07 05:34 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/06/07 04:46 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/07 03:42 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/07 02:33 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/07 01:49 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/07 00:40 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/06/06 23:39 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 23:06 openbsd 03010b9869bc cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 21:46 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 20:33 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 19:45 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 18:42 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 17:33 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 16:54 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 15:47 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 14:36 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/06/06 13:29 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 12:29 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/06/06 11:28 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 10:31 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/06/06 09:28 openbsd f12de7fa2924 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 08:27 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 08:26 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 07:22 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 06:15 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 05:19 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 04:14 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 03:56 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 02:45 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 01:44 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/06 00:39 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 23:51 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 22:46 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 22:05 openbsd ce89dc54e9c4 cc095639 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 21:01 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 20:02 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 19:01 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 17:55 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 17:28 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2026/06/05 16:25 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 15:22 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 15:01 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 13:53 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/06/05 12:46 openbsd ce89dc54e9c4 48b6c3fa .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2025/02/03 09:06 openbsd db5d28f093d6 568559e4 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
* Struck through repros no longer work on HEAD.