SYZFAIL: open /dev/vhci failed

Status: upstream: reported on 2026/09/22 16:30
Reported-by: syzbot+67ad747363d2cb7f49e1@syzkaller.appspotmail.com
First crash: 2d09h, last: 57m
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream SYZFAIL: open /dev/vhci failed (2) -1 73043 597d 822d 0/29 auto-obsoleted due to no activity on 2025/03/26 06:58
linux-6.1 SYZFAIL: open /dev/vhci failed -1 14 1h03m 42d 0/3 upstream: reported on 2026/08/13 11:04
linux-5.15 SYZFAIL: open /dev/vhci failed (2) -1 45 2h14m 14d 0/3 upstream: reported on 2026/09/10 15:49
linux-5.15 SYZFAIL: open /dev/vhci failed -1 1 759d 759d 0/3 auto-obsoleted due to no activity on 2024/12/04 12:53
upstream SYZFAIL: open /dev/vhci failed -1 1 1973d 1973d 0/29 auto-closed as invalid on 2021/09/03 09:22
upstream SYZFAIL: open /dev/vhci failed (3) -1 1 392d 392d 0/29 auto-obsoleted due to no activity on 2025/11/26 04:38

Sample crash report:
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=5 req=831 state=3 status=67 (errno 9: Bad file descriptor)

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/25 01:18 linux-6.6.y 79643295eba1 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/24 06:26 linux-6.6.y 79643295eba1 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/24 06:25 linux-6.6.y 79643295eba1 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/24 06:25 linux-6.6.y 79643295eba1 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/24 06:25 linux-6.6.y 79643295eba1 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/23 20:15 linux-6.6.y 79643295eba1 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/23 20:02 linux-6.6.y 79643295eba1 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/23 20:01 linux-6.6.y 79643295eba1 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/23 20:01 linux-6.6.y 79643295eba1 abce1216 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
2026/09/22 16:30 linux-6.6.y 79643295eba1 e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: open /dev/vhci failed
* Struck through repros no longer work on HEAD.