SYZFAIL: mount(dev) failed

Status: upstream: reported on 2026/09/24 10:40
Reported-by: syzbot+9f6c17ff789c26d0fe3b@syzkaller.appspotmail.com
First crash: 28d, last: 2d10h
▶ ▼ 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 39 11m 43d 0/2 premoderation: reported syz repro on 2026/09/09 06:58
android-6-12 SYZFAIL: mount(dev) failed origin:upstream -1 syz 28 21h41m 41d 0/1 premoderation: reported syz repro on 2026/09/10 12:31
linux-6.1 SYZFAIL: mount(dev) failed -1 syz 7 3d23h 35d 0/3 upstream: reported syz repro on 2026/09/17 06:20
linux-6.6 SYZFAIL: mount(dev) failed -1 3 6d09h 17d 0/2 upstream: reported on 2026/10/05 07:08
android-5-15 SYZFAIL: mount(dev) failed origin:upstream -1 syz 39 33m 43d 0/2 premoderation: reported syz repro on 2026/09/08 23:31
android-6-1 SYZFAIL: mount(dev) failed -1 syz 38 4h00m 37d 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=0 req=1 state=3 status=67 (errno 9: Bad file descriptor)

Crashes (16):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/20 01:54 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/20 01:51 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/20 01:49 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/19 21:50 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/19 21:50 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/19 21:49 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/19 21:48 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/19 21:48 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/19 21:48 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/16 17:22 linux-5.15.y 792fbe1537d8 4c840a2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/15 05:07 linux-5.15.y a051a4bf909f 8fb0ae89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/14 01:44 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/14 01:44 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/12 23:25 linux-5.15.y a051a4bf909f 745a967f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/10/05 16:58 linux-5.15.y a051a4bf909f af63e995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
2026/09/24 10:40 linux-5.15.y 0248c33e835e 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(dev) failed
* Struck through repros no longer work on HEAD.