SYZFAIL: open of /sys/kernel/debug/kcov failed (2)

SYZFAIL: open of /sys/kernel/debug/kcov failed (2)

Status: auto-closed as invalid on 2022/04/02 14:00
Reported-by: syzbot+26c05f3d0e9b2e7f6946@syzkaller.appspotmail.com
First crash: 1332d, last: 1332d

▶ ▼ Similar bugs (5)

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	SYZFAIL: open of /sys/kernel/debug/kcov failed	-1				1	1482d	1482d	0/1	auto-closed as invalid on 2021/11/04 08:11
android-5-15	SYZFAIL: open of /sys/kernel/debug/kcov failed	-1				43	300d	376d	0/2	auto-obsoleted due to no activity on 2024/11/19 12:38
android-54	SYZFAIL: open of /sys/kernel/debug/kcov failed	-1				6	1332d	1434d	0/2	auto-closed as invalid on 2022/04/02 23:36
android-5-15	SYZFAIL: open of /sys/kernel/debug/kcov failed (3)	-1				1	99d	99d	0/2	auto-obsoleted due to no activity on 2025/07/18 18:42
android-5-15	SYZFAIL: open of /sys/kernel/debug/kcov failed (2)	-1				1	235d	235d	0/2	auto-obsoleted due to no activity on 2025/03/04 17:20

Sample crash report:

2021/12/03 13:59:46 executor 0 failed 11 times:
executor 0: exit status 67
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 24: Too many open files)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

Crashes (4):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2021/12/03 13:59	linux-4.19.y	3f8a27f9e27b	c7c20675	.config	console log	report			info		ci2-linux-4-19	SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 13:48	linux-4.19.y	3f8a27f9e27b	c7c20675	.config	console log	report			info		ci2-linux-4-19	SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 12:51	linux-4.19.y	3f8a27f9e27b	c7c20675	.config	console log	report			info		ci2-linux-4-19	SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 12:35	linux-4.19.y	3f8a27f9e27b	c7c20675	.config	console log	report			info		ci2-linux-4-19	SYZFAIL: open of /sys/kernel/debug/kcov failed

* ~~Struck through~~ repros no longer work on HEAD.