syzbot


SYZFAIL: child stopped (2)

Status: upstream: reported on 2025/03/10 01:34
Reported-by: syzbot+155c466753a33472083e@syzkaller.appspotmail.com
First crash: 238d, last: 10h00m
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: child stopped -1 1 416d 416d 0/2 auto-obsoleted due to no activity on 2024/12/11 21:44

Sample crash report:
SYZFAIL: child stopped
Connection to 10.128.10.21 closed by remote host.


FreeBSD/amd64 (ci-freebsd-main-0.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 836 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006de19300 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d5800
tap3: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d5800
pid 839 (syz-executor), tap1: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe00595ef900 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6000
tap1: link state changed to DOWN
pid 887 (syz-executor), tap0: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe006de19900 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
tap0: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
Expensive callout(9) function: 0xffffffff81af20d0(0) 0.005754081 s

FreeBSD/amd64 (ci-freebsd-main-0.us-central1-b.c.syzkaller.internal) (ttyu0)

login: 
FreeBSD/amd64 (ci-freebsd-main-0.us-central1-b.c.syzkaller.internal) (ttyu0)

login: 2025-11-02T15:43:27.348347+00:00 ci-freebsd-main-0.us-central1-b.c.syzkaller.internal init 930 - - getty repeating too quickly on port /dev/ttyv3, sleeping 30 secs
2025-11-02T15:43:27.351003+00:00 ci-freebsd-main-0.us-central1-b.c.syzkaller.internal init 927 - - getty repeating too quickly on port /dev/ttyv7, sleeping 30 secs
2025-11-02T15:43:27.355218+00:00 ci-freebsd-main-0.us-central1-b.c.syzkaller.internal initpid 885 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
 928 - - getty rifaddr cache = 0xfffffe006de19480 is deleted
epeating too quiif_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
ckly on port /deif_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
v/ttyv4, sleepintap2: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
g 30 secs
2025-11-02T15:43:27.357041+00:00 ci-freebsd-main-0.us-central1-b.c.syzkaller.internal init 929 - - getty repeating too quickly on port /dev/ttyv1, sleeping 30 secs
2025-11-02T15:43:27.390671+00:00 ci-freebsd-main-0.us-central1-b.c.syzkaller.internal init 941 - - getty repeating too quickly on port /dev/ttyv2, sleeping 30 secs
2025-11-02T15:43:27.465168+00:00 ci-freebsd-main-0.us-central1-b.c.syzkaller.internal init 945 - - getty repeating too quickly on port /dev/ttyu0, sleeping 30 secs
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d5800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6000
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe00077d6800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058540800

Crashes (98):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/02 15:43 freebsd-src c3a3af134668 2c50b6a9 console log report ci-freebsd-main SYZFAIL: child stopped
2025/11/02 03:59 freebsd-src b473bb274cef 2c50b6a9 console log report ci-freebsd-main SYZFAIL: child stopped
2025/11/01 09:41 freebsd-src 259b69ad3dd6 2c50b6a9 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/30 10:55 freebsd-src 237cc7b408dd fd2207e7 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/30 05:05 freebsd-src db0d002a217b fd2207e7 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/28 03:46 freebsd-src 8a25a04058a8 fd2207e7 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/21 12:39 freebsd-src 5f7d5709e0c2 9832ed61 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/20 15:10 freebsd-src 2f461ddd784b e18aa505 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/14 13:31 freebsd-src 4fc1e7546f12 b6605ba8 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/13 12:42 freebsd-src 96e0a62abd93 b6605ba8 console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/06 07:56 freebsd-src a8d774d9708c 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/05 22:35 freebsd-src a8d774d9708c 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/04 15:55 freebsd-src a8d774d9708c 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/10/02 10:44 freebsd-src 213170eb956f 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/28 08:02 freebsd-src 68691160f41b 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/28 01:00 freebsd-src ceb5792d1e2e 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/25 15:16 freebsd-src 56e01d0d7e0f 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/23 14:37 freebsd-src 99475087d63b 770ff59f console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/21 09:55 freebsd-src 4c3a868d13c0 67c37560 console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/19 09:15 freebsd-src d5984d5f29a7 e2beed91 console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/16 07:11 freebsd-src 34a006eaa39c e2beed91 console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/15 15:53 freebsd-src 7780766b403d e2beed91 console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/10 04:25 freebsd-src 2024887abc7d fdeaa69b console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/07 11:36 freebsd-src c04fe26aa2f7 d291dd2d console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/07 06:22 freebsd-src c04fe26aa2f7 d291dd2d console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/06 13:23 freebsd-src c04fe26aa2f7 d291dd2d console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/04 21:03 freebsd-src c04fe26aa2f7 d291dd2d console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/04 11:17 freebsd-src c04fe26aa2f7 d291dd2d console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/02 21:27 freebsd-src c04fe26aa2f7 96a211bc console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/02 02:13 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-main SYZFAIL: child stopped
2025/09/01 22:48 freebsd-src c04fe26aa2f7 807a3b61 console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/28 06:54 freebsd-src c04fe26aa2f7 e12e5ba4 console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/26 07:08 freebsd-src c04fe26aa2f7 bf27483f console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/19 19:37 freebsd-src c04fe26aa2f7 523f460e console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/19 02:09 freebsd-src c04fe26aa2f7 6e8d317a console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/17 03:25 freebsd-src 31ac42b486eb 1804e95e console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/15 21:11 freebsd-src dec341af7695 1804e95e console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/11 05:03 freebsd-src bc9867173f6a 32a0e5ed console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/09 14:35 freebsd-src 2eb786d96e97 32a0e5ed console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/07 03:39 freebsd-src 5c13952f167d 9a42d6b1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/05 11:38 freebsd-src 057686379c8b 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/02 18:45 freebsd-src d1095367eb51 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/02 13:56 freebsd-src d1095367eb51 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/01 00:49 freebsd-src 3a686b851f8f 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/31 14:57 freebsd-src a01ce3b87d83 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/30 23:10 freebsd-src 14598537acec 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/30 21:40 freebsd-src 14598537acec 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/27 07:45 freebsd-src 92dfc3fbcd79 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/23 02:39 freebsd-src 0fbe9f8ef94d 8e9d1dc1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/04/14 00:24 freebsd-src c98367641991 0bd6db41 console log report ci-freebsd-main SYZFAIL: child stopped
2025/03/30 17:47 freebsd-src 0cc5e57d2d31 d3999433 console log report ci-freebsd-main SYZFAIL: child stopped
2025/03/10 01:33 freebsd-src 1016b3c34435 163f510d console log report ci-freebsd-main SYZFAIL: child stopped
2025/08/20 05:27 freebsd-src c04fe26aa2f7 79512909 console log report ci-freebsd-i386 SYZFAIL: child stopped
* Struck through repros no longer work on HEAD.