SYZFAIL: mount(dev) failed

Status: upstream: reported on 2026/10/05 07:08
Reported-by: syzbot+fbc523bf268498a21a76@syzkaller.appspotmail.com
First crash: 35d, last: 8d06h
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 SYZFAIL: mount(dev) failed -1 syz 74 44m 61d 0/2 premoderation: reported syz repro on 2026/09/09 06:58
android-6-12 SYZFAIL: mount(dev) failed origin:upstream -1 syz 43 11h29m 60d 0/1 premoderation: reported syz repro on 2026/09/10 12:31
linux-5.15 SYZFAIL: mount(dev) failed -1 25 1d09h 46d 0/3 upstream: reported on 2026/09/24 10:40
linux-6.1 SYZFAIL: mount(dev) failed origin:upstream -1 syz 10 4d16h 53d 0/3 upstream: reported syz repro on 2026/09/17 06:20
android-5-15 SYZFAIL: mount(dev) failed origin:upstream -1 syz 76 20h29m 61d 0/2 premoderation: reported syz repro on 2026/09/08 23:31
android-6-1 SYZFAIL: mount(dev) failed -1 syz 68 10h33m 55d 0/2 premoderation: reported syz repro on 2026/09/14 15:04

Sample crash report:
SYZFAIL: mount(dev) failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: open /dev/vhci failed
 (errno 20: Not a directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=3 req=3 state=3 status=67 (errno 32: Broken pipe)

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/11/01 07:16 linux-6.6.y b5a1dc3ad482 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
2026/11/01 05:02 linux-6.6.y b5a1dc3ad482 25a0ae84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
2026/10/30 21:35 linux-6.6.y b5a1dc3ad482 0ec395f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
2026/10/23 15:13 linux-6.6.y 0aebf2870d53 d566bfda .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
2026/10/16 03:00 linux-6.6.y cecd39af8a1a 3f2522c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
2026/10/13 00:37 linux-6.6.y a91a6aa9253c 745a967f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
2026/10/05 07:08 linux-6.6.y a91a6aa9253c 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(dev) failed
* Struck through repros no longer work on HEAD.