SYZFAIL: ioctl remote attach failed (6)

Status: upstream: reported on 2025/02/03 09:06
Reported-by: syzbot+36f9133b5f33a54a89a3@syzkaller.appspotmail.com
First crash: 597d, last: 19m
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 1612d 1726d 0/4 auto-closed as invalid on 2022/07/24 17:48
openbsd SYZFAIL: ioctl remote attach failed -1 3 1856d 1909d 0/4 auto-closed as invalid on 2021/11/21 23:20
openbsd SYZFAIL: ioctl remote attach failed (3) -1 13 1729d 1734d 3/4 fixed on 2021/12/30 01:33
openbsd SYZFAIL: ioctl remote attach failed (5) -1 3214 672d 805d 0/4 auto-obsoleted due to no activity on 2025/01/09 12:00
openbsd SYZFAIL: ioctl remote attach failed (2) -1 6 1739d 1758d 0/4 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: 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: 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=497 state=3 status=67 (errno 32: Broken pipe)


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

login: 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 (89873):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/23 18:55 openbsd 0598464a2e5e 0a1606bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 18:41 openbsd 0598464a2e5e 0a1606bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 17:21 openbsd 0598464a2e5e 0a1606bc .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 16:05 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 15:51 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 14:38 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 13:36 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 12:20 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 11:18 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 10:15 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 09:32 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2026/09/23 08:24 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2026/09/23 06:41 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 06:27 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 05:10 openbsd 6c60011d0c8d abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 04:05 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 02:56 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/23 01:51 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 01:39 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/23 00:38 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 23:29 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 23:02 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2026/09/22 21:59 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 21:13 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 20:02 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 19:03 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 18:01 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 18:00 openbsd d7f8428ad9ed 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 15:35 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 14:33 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2026/09/22 14:15 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/22 13:09 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 12:31 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 11:22 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 11:16 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/22 09:57 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/22 08:57 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 07:55 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 06:51 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 06:16 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid SYZFAIL: ioctl remote attach failed
2026/09/22 05:04 openbsd 4acae101ea91 e12281bd .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2026/09/22 03:54 openbsd e0a25791f40f a8efa948 .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
2026/09/23 13:22 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 028451d23544 abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: ioctl remote attach failed
2026/09/23 07:44 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 028451d23544 abce1216 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: ioctl remote attach failed
2026/09/22 16:57 https://github.com/blackgnezdo/openbsd-src.git syzbot-kasan 028451d23544 3e2106e5 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-kasan SYZFAIL: ioctl remote attach failed
* Struck through repros no longer work on HEAD.