SYZFAIL: mount(dev) failed

Status: upstream: reported on 2026/09/17 06:20
Reported-by: syzbot+77f4e091b67865f36c68@syzkaller.appspotmail.com
First crash: 11d, last: 1d09h
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 SYZFAIL: mount(dev) failed -1 syz 8 2d22h 19d 0/2 premoderation: reported syz repro on 2026/09/09 06:58
android-6-12 SYZFAIL: mount(dev) failed origin:upstream -1 syz 7 2d07h 18d 0/1 premoderation: reported syz repro on 2026/09/10 12:31
linux-5.15 SYZFAIL: mount(dev) failed -1 1 4d13h 4d13h 0/3 upstream: reported on 2026/09/24 10:40
android-5-15 SYZFAIL: mount(dev) failed origin:upstream -1 syz 13 1d02h 20d 0/2 premoderation: reported syz repro on 2026/09/08 23:31
android-6-1 SYZFAIL: mount(dev) failed -1 12 2d01h 14d 0/2 premoderation: reported on 2026/09/14 15:04

Sample crash report:
SYZFAIL: mount(dev) 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=4 req=5 state=3 status=67 (errno 32: Broken pipe)

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/27 14:32 linux-6.1.y 1a8763b93150 a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(dev) failed
2026/09/22 13:08 linux-6.1.y 1a8763b93150 e12281bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(dev) failed
2026/09/17 06:20 linux-6.1.y 1a8763b93150 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(dev) failed
* Struck through repros no longer work on HEAD.