syzbot


SYZFAIL: child stopped (2)

Status: upstream: reported on 2025/03/10 01:34
Reported-by: syzbot+155c466753a33472083e@syzkaller.appspotmail.com
First crash: 128d, last: 1d06h
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd SYZFAIL: child stopped -1 1 306d 306d 0/2 auto-obsoleted due to no activity on 2024/12/11 21:44

Sample crash report:
SYZFAIL: child stopped
status=127 (errno 35: Resource temporarily unavailable)


FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058580000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800

FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: pid 1174 (syz-executor), tap5: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe005862c780 is deleted
if_delmulti_locked: detaching ifnet instance 0xfffffe005857f800
pid 1172 (syz-executor), tap3: tun/tap protocol violation, non-controlling process closed last.
tap5: link state changed to DOWN
ifaddr cache = 0xfffffe007189d480 is deleted
tap3: link state changed to DOWN
if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005857f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005857f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800
pid 1170 (syz-executor), tap2: tun/tap protocol violation, non-controlling process closed last.
ifaddr cache = 0xfffffe00712d9180 is deleted
tap2: link state changed to DOWN

FreeBSD/amd64 (ci-freebsd-main-7.us-central1-b.c.syzkaller.internal) (ttyu0)

login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
Expensive callout(9) function: 0xffffffff81971bc0(0) 0.011260475 s
set $lines = 0
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005814f800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580000

Login incorrect
login: if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800
if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058150000
if_delmulti_locked: detaching ifnet instance 0xfffffe0058581000
show registers
Password:if_delmulti_locked: detaching ifnet instance 0xfffffe0058580800
if_delmulti_locked: detaching ifnet instance 0xfffffe005857f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005857f800
if_delmulti_locked: detaching ifnet instance 0xfffffe005857f800

Login incorrect
login: ps
Password:
Login incorrect
login: show malloc
Password:
Login incorrect
show all tcpcbs/bl

Crashes (41):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/15 01:09 freebsd-src b87aa791533f d8fc7335 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/14 03:41 freebsd-src 8efa35fea384 3cda49cf console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/13 02:02 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/12 22:21 freebsd-src 16a9f31b8aae 3cda49cf console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/09 21:55 freebsd-src 21876224361a 956bd956 console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/07 03:33 freebsd-src 3ba480f41801 4f67c4ae console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/06 08:33 freebsd-src afd5bc630930 4f67c4ae console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/05 23:32 freebsd-src 476d2d8f290f 4f67c4ae console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/05 17:11 freebsd-src 476d2d8f290f 4f67c4ae console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/05 09:48 freebsd-src 9c2509f831e8 4f67c4ae console log report ci-freebsd-main SYZFAIL: child stopped
2025/07/03 10:39 freebsd-src 604d34c23f77 115ceea7 console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/29 20:55 freebsd-src afa70490ee77 fc9d8ee5 console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/29 09:09 freebsd-src edc307eca9a9 fc9d8ee5 console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/26 08:17 freebsd-src cd0169c9379c 26d77996 console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/19 03:18 freebsd-src 4c6c1dd8f7ce ed3e87f7 console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/11 17:11 freebsd-src d41a2ba73cbe 98683f8f console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/11 05:50 freebsd-src 79005ea537d2 5d7e17ca console log report ci-freebsd-main SYZFAIL: child stopped
2025/06/08 19:22 freebsd-src 99ec65e7fe61 4826c28e console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/31 15:20 freebsd-src e86d9dd6cee1 3d2f584d console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/31 14:55 freebsd-src e86d9dd6cee1 3d2f584d console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/30 11:16 freebsd-src 955ab1a8f21e 3d2f584d console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/29 14:02 freebsd-src 19fb56b19244 3d2f584d console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/22 12:31 freebsd-src 30fd79b0c0a3 0919b50b console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/21 03:05 freebsd-src 3d2957336c7d b47f9e02 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/20 05:43 freebsd-src 9fb60477fe26 b84f0537 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/20 00:21 freebsd-src 9fb60477fe26 b84f0537 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/19 15:09 freebsd-src 28d74f18f1c2 54fb386c console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/19 00:37 freebsd-src 89549c234817 f41472b0 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/13 08:35 freebsd-src afb0eadf97b2 9497799b console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/13 02:27 freebsd-src eed3be47967f f6671af7 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/09 01:32 freebsd-src b064317fa8de bb813bcc console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/08 12:21 freebsd-src 354fb783e6d5 dbf35fa1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/08 12:21 freebsd-src 354fb783e6d5 dbf35fa1 console log report ci-freebsd-main SYZFAIL: child stopped
2025/05/01 09:38 freebsd-src 28e89934a9be ce7952f4 console log report ci-freebsd-main SYZFAIL: child stopped
2025/04/27 23:53 freebsd-src fe4bdd889b5d c6b4fb39 console log report ci-freebsd-main SYZFAIL: child stopped
2025/04/26 04:21 freebsd-src 2a4cd9f8c82d c6b4fb39 console log report ci-freebsd-main SYZFAIL: child stopped
2025/04/19 22:16 freebsd-src 7121e9414f29 2a20f901 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
2025/05/26 21:11 freebsd-src 9ce5410b9094 06877188 console log report ci-freebsd-i386 SYZFAIL: child stopped
* Struck through repros no longer work on HEAD.