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: 1708d, last: 1708d
▶ ▼ 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 1857d 1857d 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 676d 752d 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 1707d 1809d 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 475d 475d 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 611d 611d 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.