SYZFAIL: mount(sysfs) failed

Status: upstream: reported syz repro on 2026/09/10 17:10
Reported-by: syzbot+0160d3ad00d878548f4d@syzkaller.appspotmail.com
First crash: 14d, last: 6d18h
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 SYZFAIL: mount(sysfs) failed -1 25 12h04m 20d 0/3 upstream: reported on 2026/09/05 05:01
android-6-12 SYZFAIL: mount(sysfs) failed -1 syz 10 1h28m 7d12h 0/1 premoderation: reported syz repro on 2026/09/17 18:26
android-5-10 SYZFAIL: mount(sysfs) failed -1 syz 24 2d12h 19d 0/2 premoderation: reported syz repro on 2026/09/05 23:23
linux-5.15 SYZFAIL: mount(sysfs) failed -1 syz 18 2d20h 19d 0/3 upstream: reported syz repro on 2026/09/05 12:43
android-6-1 SYZFAIL: mount(sysfs) failed -1 syz 32 13h37m 14d 0/2 premoderation: reported syz repro on 2026/09/11 06:20
android-5-15 SYZFAIL: mount(sysfs) failed -1 syz 15 1d00h 19d 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 (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/11 09:18 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/11 06:11 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/18 13:02 linux-6.6.y 79643295eba1 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/16 09:01 linux-6.6.y 79643295eba1 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/16 03:43 linux-6.6.y 79643295eba1 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/12 09:55 linux-6.6.y 8b73de7da85f 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 19:56 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 17:09 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 17:09 linux-6.6.y 8b73de7da85f 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: mount(sysfs) failed
* Struck through repros no longer work on HEAD.