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lost connection to test machine

Status: premoderation: reported C repro on 2023/05/10 12:05
Bug presence: origin:lts
[Documentation on labels]
Reported-by: syzbot+5c5482afaef9fefaf719@syzkaller.appspotmail.com
First crash: 946d, last: now
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/06/28 lts (merge base) 58485ff1a74f C [report] KASAN: use-after-free Read in worker_thread
2025/06/28 upstream (ToT) aaf724ed6926 C Didn't crash
▶ ▼ Similar bugs (23)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 lost connection to test machine (2) -1 6 2925d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 340001 5m 1163d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2906d 2924d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1038d 2436d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2199d 2434d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2199d 2433d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2955d 2954d 0/2 closed as invalid on 2017/11/09 08:47
android-6-12 lost connection to test machine origin:downstream -1 C 21109 22d 175d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 13301 17m 178d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2271d 2432d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2845d 2859d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 579976 now 1500d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2199d 2436d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2954d 2954d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2906d 2954d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 199d 2162d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2814672 now 2218d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2867d 2906d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2954d 2954d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 C unreliable 75307 6m 1009d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 C 2946 2906d 2954d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 29480 1h52m 1009d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1039d 2437d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (261612):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/21 06:24 android14-6.1 145c7fad733f 7117feec .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/06/27 21:40 android14-6.1 36d69f6a49eb 803ce19b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 18:48 android14-6.1 2181735221bd d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 16:42 android14-6.1 2181735221bd d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 16:22 android14-6.1 2181735221bd d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 16:19 android14-6.1 2181735221bd d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 15:07 android14-6.1 2181735221bd d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 01:14 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 22:44 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 22:41 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/10 18:46 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 07:05 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 02:08 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/09 21:25 android14-6.1 0ac176d7ef4d d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/09 05:02 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/08 14:16 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/08 06:52 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/08 06:18 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/08 05:35 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/08 05:03 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/08 02:27 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 20:13 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/07 19:40 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/07 18:08 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/07 12:43 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 12:03 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 09:34 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 08:17 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 06:26 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 04:55 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/07 02:50 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 23:12 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 19:26 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/06 16:44 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/06 16:32 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 15:27 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/06 15:02 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 08:54 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 06:25 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 04:34 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 04:10 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/06 01:22 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/06 00:48 android14-6.1 5ddae867b428 d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2024/05/24 08:35 android14-6.1 0a5aada71cc9 8f98448e .config console log syz [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 05:19 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 04:47 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 03:41 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 03:24 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 02:18 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 01:19 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 00:27 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/12 00:19 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 23:16 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 22:27 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 22:20 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 21:16 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 20:51 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 19:51 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 18:31 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 17:59 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 17:52 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 16:29 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 16:16 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 15:01 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 13:59 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 13:08 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 10:14 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 07:56 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 06:52 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 05:52 android14-6.1 2181735221bd d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 05:19 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 04:31 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 03:53 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 03:52 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/11 02:35 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 02:30 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 01:24 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/11 00:28 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/10 23:29 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/10 22:54 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 22:10 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 22:09 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 21:05 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/10 20:49 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/10 19:42 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/12/10 19:03 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/12/10 18:36 android14-6.1 0ac176d7ef4d d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
* Struck through repros no longer work on HEAD.