SYZFAIL: mount(sysfs) failed

Status: upstream: reported on 2026/09/05 05:01
Reported-by: syzbot+e7a12ae273cd89a68355@syzkaller.appspotmail.com
First crash: 20d, last: 20h25m
▶ ▼ Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-12 SYZFAIL: mount(sysfs) failed -1 syz 11 18h42m 8d09h 0/1 premoderation: reported syz repro on 2026/09/17 18:26
linux-6.6 SYZFAIL: mount(sysfs) failed -1 syz 9 7d14h 15d 0/2 upstream: reported syz repro on 2026/09/10 17:10
android-5-10 SYZFAIL: mount(sysfs) failed -1 syz 24 3d09h 20d 0/2 premoderation: reported syz repro on 2026/09/05 23:23
linux-5.15 SYZFAIL: mount(sysfs) failed -1 syz 18 3d17h 20d 0/3 upstream: reported syz repro on 2026/09/05 12:43
android-6-1 SYZFAIL: mount(sysfs) failed -1 syz 32 1d10h 14d 0/2 premoderation: reported syz repro on 2026/09/11 06:20
android-5-15 SYZFAIL: mount(sysfs) failed -1 syz 15 1d21h 20d 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: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 2: No such file or directory)
SYZFAIL: repeatedly failed to execute the program
proc=5 req=131 state=1 status=67 (errno 9: Bad file descriptor)

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/25 07:31 linux-6.1.y 1a8763b93150 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/25 07:26 linux-6.1.y 1a8763b93150 f281d9d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 18:58 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 18:57 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 18:57 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 12:19 linux-6.1.y 1a8763b93150 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 05:05 linux-6.1.y 1a8763b93150 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 05:05 linux-6.1.y 1a8763b93150 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/24 05:05 linux-6.1.y 1a8763b93150 0281b448 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/19 21:49 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/16 07:47 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/15 22:16 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/15 22:13 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/15 22:07 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/13 12:15 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/12 22:37 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/12 22:27 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 18:14 linux-6.1.y cf82dcca9634 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 18:14 linux-6.1.y cf82dcca9634 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/10 17:29 linux-6.1.y cf82dcca9634 1fe56c0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/07 18:04 linux-6.1.y cf82dcca9634 680aa3e1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 11:22 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 05:03 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 05:01 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 05:01 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 05:00 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
2026/09/05 05:00 linux-6.1.y cf82dcca9634 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: mount(sysfs) failed
* Struck through repros no longer work on HEAD.