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: 227d, last: 10m
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 1242d 1356d 0/3 auto-closed as invalid on 2022/07/24 17:48
openbsd SYZFAIL: ioctl remote attach failed -1 3 1486d 1539d 0/3 auto-closed as invalid on 2021/11/21 23:20
openbsd SYZFAIL: ioctl remote attach failed (3) -1 13 1359d 1364d 3/3 fixed on 2021/12/30 01:33
openbsd SYZFAIL: ioctl remote attach failed (5) -1 3214 302d 435d 0/3 auto-obsoleted due to no activity on 2025/01/09 12:00
openbsd SYZFAIL: ioctl remote attach failed (2) -1 6 1369d 1388d 0/3 closed as invalid on 2021/12/21 06:21

Sample crash report:
SYZFAIL: ioctl remote attach failed
 (errno 16: Device busy)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
SYZFAIL: tun_id out of range
tun_id=8 (errno 1: Operation not permitted)
SYZFAIL: repeatedly failed to execute the program
proc=8 req=2250 state=1 status=67 (errno 4: Interrupted system call)
login: 

OpenBSD/amd64 (Amnesiac) (tty00)

login: uvn_flush: obj=0xfffffd806e304700, offset=0x3ff000.  error during pageout.
uvn_flush: WARNING: changes to page may be lost!
set $lines = 0
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: show panic
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: show registers
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
login: ps
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:
Login incorrect
show malloc
login: malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
malloc() warning: unknown char in MALLOC_OPTIONS
Password:

Crashes (31835):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/18 19:24 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 18:00 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 16:59 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 15:47 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 15:10 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 14:09 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 13:48 openbsd d723c5b99431 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 12:42 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 11:38 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 11:16 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 10:15 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 09:16 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 08:11 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 08:09 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 07:08 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 06:32 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 05:26 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 05:20 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 04:18 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 03:17 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 02:34 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/18 01:33 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 01:32 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/18 00:31 openbsd 6d22a4a7112d e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 23:29 openbsd cfdf5dc3e7db e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 23:15 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 22:10 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 21:28 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 20:28 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 20:11 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 19:05 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 17:59 openbsd cfdf5dc3e7db e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 16:58 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 16:25 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 15:20 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 14:47 openbsd cfdf5dc3e7db e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 13:35 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 12:24 openbsd ce3d8cc26663 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 11:12 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 10:58 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 09:55 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 08:55 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 08:25 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/09/17 07:20 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 06:33 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main SYZFAIL: ioctl remote attach failed
2025/09/17 05:32 openbsd 058f6298dc86 e2beed91 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore SYZFAIL: ioctl remote attach failed
2025/05/31 00:17 openbsd 12e4c257ea80 3d2f584d .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.