syzbot


SYZFAIL: too much cover (3)

Status: upstream: reported on 2024/12/22 11:47
Reported-by: syzbot+b11eb71d8ff184881dba@syzkaller.appspotmail.com
First crash: 411d, last: 12d
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: too much cover -1 2 1775d 1777d 0/2 auto-closed as invalid on 2021/06/27 03:59
freebsd SYZFAIL: too much cover (2) -1 120 1379d 1436d 0/2 auto-closed as invalid on 2022/06/28 02:51

Sample crash report:
SYZFAIL: too much cover
cov=7456540 (errno 4: Interrupted system call)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: repeatedly failed to execute the program
proc=1 req=50 state=3 status=67 (errno 35: Resource temporarily unavailable)
if_delmulti_locked: detaching ifnet instance 0xfffffe005873fc00
if_delmulti_locked: detaching ifnet instance 0xfffffe005873fc00
if_delmulti_locked: detaching ifnet instance 0xfffffe005873fc00


FreeBSD/amd64 (ci-freebsd-i386-4.us-central1-b.c.syzkaller.internal) (ttyu0)

login: set $lines = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe005873fc00
if_delmulti_locked: detaching ifnet instance 0xfffffe005873fc00
if_delmulti_locked: detaching ifnet instance 0xfffffe005873fc00

Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Jan  1 00:08:55 ci-freebsd-i386-4 login[747]: 2 LOGIN FAILURES ON ttyu0
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (5788):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/25 12:48 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/25 07:14 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/25 00:59 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/24 22:55 freebsd-src a3394b6a23fb 40acda8a console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/24 02:34 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/24 00:13 freebsd-src a3394b6a23fb 4f25b9b4 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/23 18:46 freebsd-src a3394b6a23fb 319d7797 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/23 07:41 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/23 06:31 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/23 04:47 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/23 02:10 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 20:00 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 18:57 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 17:53 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 16:45 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 15:16 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 13:56 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 12:07 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 10:50 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 09:04 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 07:52 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 06:25 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/22 03:45 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 22:33 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 21:31 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 18:31 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 15:40 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 11:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 10:02 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 08:45 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 07:03 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/21 06:00 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 19:32 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 18:17 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 15:13 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 13:42 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 12:20 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 10:27 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 08:59 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 07:42 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 06:22 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 05:16 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 04:13 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/20 02:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/19 22:09 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/19 19:18 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2026/01/19 17:25 freebsd-src a3394b6a23fb 56f88057 console log report ci-freebsd-i386 SYZFAIL: too much cover
2024/12/22 11:46 freebsd-src 38b67578fb4b b4fbdbd4 console log report ci-freebsd-i386 SYZFAIL: too much cover
* Struck through repros no longer work on HEAD.