SYZFAIL: mount(sysfs) failed

Status: upstream: reported syz repro on 2026/09/05 12:43
Reported-by: syzbot+dc312b8c73f31f43d40e@syzkaller.appspotmail.com
First crash: 13d, last: 1d21h
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 SYZFAIL: mount(sysfs) failed -1 17 2d18h 13d 0/3 upstream: reported on 2026/09/05 05:01
android-6-12 SYZFAIL: mount(sysfs) failed -1 syz 3 2h50m 1d08h 0/1 premoderation: reported syz repro on 2026/09/17 18:26
linux-6.6 SYZFAIL: mount(sysfs) failed -1 syz 9 13h24m 8d09h 0/2 upstream: reported syz repro on 2026/09/10 17:10
android-5-10 SYZFAIL: mount(sysfs) failed -1 syz 15 18h40m 13d 0/2 premoderation: reported syz repro on 2026/09/05 23:23
android-6-1 SYZFAIL: mount(sysfs) failed -1 syz 25 1d01h 7d20h 0/2 premoderation: reported syz repro on 2026/09/11 06:20
android-5-15 SYZFAIL: mount(sysfs) failed -1 syz 11 1d16h 13d 0/2 premoderation: reported syz repro on 2026/09/05 11:16

Sample crash report:
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: mount(sysfs) failed
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=0 req=617 state=3 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/12 16:45 linux-5.15.y 0996e0926f6b 70a60e12 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/06 22:18 linux-5.15.y 0996e0926f6b 4f7b22a0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/06 12:22 linux-5.15.y 0996e0926f6b 4f7b22a0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/06 03:48 linux-5.15.y 0996e0926f6b 4f7b22a0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/17 05:20 linux-5.15.y 0248c33e835e 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/16 09:16 linux-5.15.y 0248c33e835e 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/16 09:13 linux-5.15.y 0248c33e835e 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/16 02:47 linux-5.15.y 0248c33e835e 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/15 19:33 linux-5.15.y 0248c33e835e 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/12 18:00 linux-5.15.y 0996e0926f6b 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/12 07:40 linux-5.15.y 0996e0926f6b 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 18:10 linux-5.15.y 0996e0926f6b 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 18:10 linux-5.15.y 0996e0926f6b 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/06 03:42 linux-5.15.y 0996e0926f6b 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 12:42 linux-5.15.y 0996e0926f6b 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: mount(sysfs) failed
* Struck through repros no longer work on HEAD.