syzbot


SYZFAIL: invalid kcov comp type (4)

Status: upstream: reported on 2025/02/11 17:01
Reported-by: syzbot+e18a17c4a5dabeb7ef76@syzkaller.appspotmail.com
First crash: 120d, last: 4h06m
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: invalid kcov comp type (3) 1 309d 309d 0/2 auto-obsoleted due to no activity on 2024/11/04 18:01
freebsd SYZFAIL: invalid kcov comp type (2) 1 1210d 1210d 0/2 auto-closed as invalid on 2022/05/19 02:41
freebsd SYZFAIL: invalid kcov comp type 1443 1441d 1571d 0/2 auto-closed as invalid on 2021/08/31 08:25

Sample crash report:
SYZFAIL: invalid kcov comp type
type=ffffffff81759814 (errno 4: Interrupted system call)
SYZFAIL: child failed
 (errno 0: No error: 0)
SYZFAIL: invalid kcov comp type
type=ffffffff81759814 (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=3 req=69 state=3 status=67 (errno 9: Bad file descriptor)
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058132800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058132800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058132800


FreeBSD/amd64 (ci-freebsd-i386-1.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058568800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058132800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058132800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058132800
set $lines = 0
Password:
Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058134000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058133000
show registers
Password:
Login incorrect
login: ps
Jun 12 11:20:17 ci-freebsd-i386-1 login[748]: 2 LOGIN FAILURES ON ttyu0
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/l

Crashes (991):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/12 11:20 freebsd-src d8b51259caee 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/12 09:07 freebsd-src d8b51259caee 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/12 08:01 freebsd-src d8b51259caee 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/12 04:58 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/12 00:59 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 22:46 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 19:38 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 19:11 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 12:40 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 10:03 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 08:57 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 06:54 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/11 03:56 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/10 21:55 freebsd-src 09545628f0cd 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/10 19:39 freebsd-src 09545628f0cd 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/10 16:17 freebsd-src 09545628f0cd 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/10 14:29 freebsd-src 09545628f0cd 5d7e17ca console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/10 06:18 freebsd-src 5a54d768e1f9 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/10 02:49 freebsd-src 5a54d768e1f9 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 21:32 freebsd-src 5a54d768e1f9 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 15:58 freebsd-src 1fee99800a79 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 13:28 freebsd-src 1fee99800a79 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 12:18 freebsd-src 1fee99800a79 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 09:51 freebsd-src 1fee99800a79 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 08:34 freebsd-src 1fee99800a79 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 03:55 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/09 01:15 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/08 21:15 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/08 19:50 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/08 18:23 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/08 15:42 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/08 10:49 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/08 01:07 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 23:14 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 21:57 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 16:44 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 15:21 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 14:18 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 13:28 freebsd-src 2a5841795fb7 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 05:06 freebsd-src 6e7a6a66b239 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/07 00:46 freebsd-src 6e7a6a66b239 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/06/06 23:33 freebsd-src 6e7a6a66b239 4826c28e console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
2025/02/11 17:00 freebsd-src 85c333a947e9 f2baddf5 console log report ci-freebsd-i386 SYZFAIL: invalid kcov comp type
* Struck through repros no longer work on HEAD.