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SYZFAIL: open of /sys/kernel/debug/kcov failed

Status: auto-closed as invalid on 2022/04/02 23:36
Reported-by: syzbot+fe9613b38696de8b0271@syzkaller.appspotmail.com
First crash: 1422d, last: 1320d
▶ ▼ 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 1470d 1470d 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 289d 365d 0/2 auto-obsoleted due to no activity on 2024/11/19 12:38
android-5-15 SYZFAIL: open of /sys/kernel/debug/kcov failed (3) -1 1 87d 87d 0/2 premoderation: reported on 2025/04/19 18:36
linux-4.19 SYZFAIL: open of /sys/kernel/debug/kcov failed (2) -1 4 1321d 1321d 0/1 auto-closed as invalid on 2022/04/02 14:00
android-5-15 SYZFAIL: open of /sys/kernel/debug/kcov failed (2) -1 1 223d 223d 0/2 auto-obsoleted due to no activity on 2025/03/04 17:20

Sample crash report:
2021/12/03 23:35:23 executor 3 failed 11 times:
executor 3: 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 (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/12/03 23:35 android12-5.4 97b7ffb32f29 c7c20675 .config console log report info ci2-android-5-4-kasan SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 19:33 android12-5.4 97b7ffb32f29 c7c20675 .config console log report info ci2-android-5-4-kasan SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 18:30 android12-5.4 97b7ffb32f29 c7c20675 .config console log report info ci2-android-5-4-kasan SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 16:19 android12-5.4 97b7ffb32f29 c7c20675 .config console log report info ci2-android-5-4-kasan SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/12/03 13:32 android12-5.4 97b7ffb32f29 c7c20675 .config console log report info ci2-android-5-4-kasan SYZFAIL: open of /sys/kernel/debug/kcov failed
2021/08/24 04:02 android12-5.4 3ce13296e72d b599f2fc .config console log report info ci2-android-5-4-kasan SYZFAIL: open of /sys/kernel/debug/kcov failed
* Struck through repros no longer work on HEAD.