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lost connection to test machine

Status: upstream: reported C repro on 2023/03/08 14:43
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+2848ce90a1090c236f33@syzkaller.appspotmail.com
First crash: 967d, last: 44m
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/06/28 upstream (ToT) aaf724ed6926 C [report] no output from test machine
▶ ▼ 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 2882d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 311675 37m 1121d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2864d 2882d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 996d 2394d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2157d 2392d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2157d 2391d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2913d 2912d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 241519 now 904d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 20411 8h26m 133d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 9725 1h59m 136d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2229d 2390d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2803d 2817d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 538899 now 1458d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2157d 2394d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2912d 2912d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2864d 2912d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 157d 2120d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2672595 now 2176d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2825d 2864d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2912d 2912d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2864d 2912d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 28591 26m 967d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 997d 2395d 0/1 upstream: reported on 2019/04/10 19:39
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/06/19 11:16 7h28m fix candidate upstream OK (1) job log
Crashes (71400):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/27 19:10 linux-6.1.y 7e69c33e4858 803ce19b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/26 23:15 linux-6.1.y 58485ff1a74f 803ce19b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 23:46 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 09:16 linux-6.1.y f6e38ae624cf fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 22:50 linux-6.1.y f6e38ae624cf fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 18:33 linux-6.1.y f6e38ae624cf fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 07:52 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/28 18:50 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/28 12:13 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/27 02:34 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/26 09:02 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/26 08:31 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/26 06:39 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/26 05:06 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/26 03:36 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/25 19:53 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/25 19:21 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/25 15:40 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/25 14:08 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/25 03:53 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/24 18:35 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/24 11:02 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/24 07:16 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/23 22:03 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/23 21:33 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/23 20:07 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/23 18:19 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/23 14:13 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/23 13:40 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/23 12:17 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/22 23:33 linux-6.1.y 8e6e2188d949 c0460fcd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/22 16:44 linux-6.1.y 8e6e2188d949 252fbbad .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/22 12:43 linux-6.1.y 8e6e2188d949 252fbbad .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/22 11:23 linux-6.1.y 8e6e2188d949 252fbbad .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/22 01:59 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/22 00:31 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/21 15:41 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/21 14:04 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/21 10:04 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/21 08:19 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/21 06:09 linux-6.1.y 8e6e2188d949 9832ed61 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/21 01:37 linux-6.1.y 8e6e2188d949 d422939c .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/20 17:55 linux-6.1.y 8e6e2188d949 d422939c .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2024/06/12 16:08 linux-6.1.y ae9f2a70d69e f815599d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2024/05/30 04:17 linux-6.1.y 88690811da69 34889ee3 .config syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 14:28 linux-6.1.y f6e38ae624cf fd2207e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2024/05/30 05:36 linux-6.1.y 88690811da69 34889ee3 .config syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 23:26 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 22:06 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 20:57 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 19:53 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 18:43 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 17:32 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 16:27 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 15:40 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 12:48 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 11:34 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 10:17 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 09:16 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 07:18 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 06:31 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 05:27 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 04:21 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/30 04:03 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 02:52 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/30 01:27 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 23:45 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 22:24 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 20:58 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 19:43 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 18:41 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 18:24 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 16:52 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 15:48 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 15:09 linux-6.1.y f6e38ae624cf fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 13:19 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 11:40 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 11:26 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 10:26 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 09:20 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 08:54 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 06:59 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 06:55 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 05:46 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 04:44 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 04:03 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 02:55 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/29 01:52 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 01:36 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/29 00:30 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/28 23:28 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/28 23:09 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/28 22:01 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/28 09:08 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2023/03/08 14:43 linux-6.1.y 42616e0f09fb d2b00170 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
* Struck through repros no longer work on HEAD.