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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: 849d, last: 13m
▶ ▼ 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 2827d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 280823 now 1066d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2809d 2826d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 941d 2339d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2102d 2336d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2102d 2336d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2858d 2857d 0/2 closed as invalid on 2017/11/09 08:47
android-6-12 lost connection to test machine origin:downstream -1 C 18338 1h29m 78d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 5663 1h08m 81d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2174d 2334d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2748d 2762d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 486459 now 1403d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2102d 2338d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2857d 2857d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2809d 2857d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 102d 2065d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2500616 now 2121d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2769d 2809d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2857d 2857d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 C unreliable 65226 1h01m 912d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 C 2946 2809d 2857d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 27233 38m 912d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 942d 2340d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (219768):
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
2025/09/05 21:23 android14-6.1 4b89111e7b1d d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 20:10 android14-6.1 4b89111e7b1d d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 17:47 android14-6.1 4b89111e7b1d d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 09:04 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 08:40 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 07:25 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 21:24 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 19:26 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 18:55 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 18:08 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 17:05 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 16:03 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 15:34 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 15:01 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 12:26 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 11:44 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 09:25 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 07:36 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 06:10 android14-6.1 65affddf72ba d291dd2d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 00:53 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/03 23:49 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/03 23:06 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/03 18:16 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/03 16:46 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/03 14:39 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/03 12:54 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/03 12:42 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/03 10:57 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/03 09:53 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/03 06:18 android14-6.1 79ccb6ecf51e 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/03 02:04 android14-6.1 77edc8b3ed5d 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 23:52 android14-6.1 77edc8b3ed5d 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 21:08 android14-6.1 77edc8b3ed5d 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 19:44 android14-6.1 77edc8b3ed5d 96a211bc .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 12:46 android14-6.1 77edc8b3ed5d 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 12:10 android14-6.1 77edc8b3ed5d 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 04:56 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 04:35 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/02 03:03 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/02 01:01 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/01 22:11 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/01 20:23 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/01 14:06 android14-6.1 684ae9bac393 807a3b61 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf 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
2025/09/05 21:19 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 21:13 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 20:10 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 19:09 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 17:32 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 17:20 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 15:59 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 14:48 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 13:10 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 13:05 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 12:02 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 11:32 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 10:30 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 10:29 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 09:28 android14-6.1 4b89111e7b1d d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 08:58 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 07:40 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 07:22 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 06:22 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 05:43 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 05:08 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 04:40 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 04:02 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 03:19 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 02:33 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 02:01 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/05 01:28 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 00:54 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/05 00:16 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 23:54 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 23:24 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 22:48 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 22:28 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 22:12 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 21:55 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 21:41 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/09/04 21:12 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 20:25 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 19:48 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 19:12 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 18:18 android14-6.1 65affddf72ba d291dd2d .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/09/04 17:42 android14-6.1 65affddf72ba d291dd2d .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.