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

Status: auto-obsoleted due to no activity on 2025/03/04 17:20
Reported-by: syzbot+ae18867953705f0395d2@syzkaller.appspotmail.com
First crash: 653d, last: 653d
Similar bugs (12)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-12 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 11 2d09h 13d 0/1 premoderation: reported on 2026/09/05 20:00
linux-4.19 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 1 1899d 1899d 0/1 auto-closed as invalid on 2021/11/04 08:11
android-5-10 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 148 now 20d 0/2 premoderation: reported on 2026/08/29 11:39
linux-6.6 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 46 7h44m 13d 0/2 upstream: reported on 2026/09/05 08:42
linux-6.1 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 36 8h21m 13d 0/3 upstream: reported on 2026/09/05 05:07
android-5-15 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 43 718d 794d 0/2 auto-obsoleted due to no activity on 2024/11/19 12:38
android-6-1 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 240 1h43m 36d 0/2 premoderation: reported on 2026/08/13 04:53
android-54 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 6 1749d 1851d 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 517d 517d 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 (4) -1 98 1d07h 13d 0/2 premoderation: reported on 2026/09/05 02:32
linux-4.19 SYZFAIL: open of /sys/kernel/debug/kcov failed (2) -1 4 1750d 1750d 0/1 auto-closed as invalid on 2022/04/02 14:00
linux-5.15 SYZFAIL: open of /sys/kernel/debug/kcov failed -1 34 9h35m 13d 0/3 upstream: reported on 2026/09/05 12:46

Sample crash report:
SYZFAIL: open of /sys/kernel/debug/kcov failed
 (errno 1: Operation not permitted)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: mmap of data segment failed
want 0x20000000, got 0xffffffffffffffff (errno 13: Permission denied)
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=1 req=620 state=3 status=67 (errno 11: Resource temporarily unavailable)

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/04 17:09 android13-5.15-lts 8f485cd2a27c b50eb251 .config console log report info ci2-android-5-15 SYZFAIL: open of /sys/kernel/debug/kcov failed
* Struck through repros no longer work on HEAD.