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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: 857d, last: 5m
▶ ▼ 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 2772d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 248910 now 1011d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2754d 2771d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 885d 2284d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2047d 2281d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2047d 2281d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2802d 2802d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 198189 6m 794d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 7470 14m 23d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 1894 1h48m 26d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2119d 2279d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2692d 2707d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 436659 now 1348d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2047d 2283d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2802d 2802d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2754d 2802d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 47d 2010d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2332369 now 2066d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2714d 2753d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2802d 2802d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2754d 2802d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 25651 1h24m 857d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 887d 2284d 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 (60346):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/01 10:09 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
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
2025/07/01 06:28 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/07/01 06:17 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/07/12 17:17 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/12 16:47 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/12 16:08 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/12 07:37 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 18:21 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 16:53 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 10:34 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 09:03 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 03:09 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 02:33 linux-6.1.y dfc486ec9cce 3cda49cf .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/10 13:33 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/10 09:35 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/09 20:09 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/09 05:23 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/08 22:54 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/08 22:12 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/08 10:29 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/08 09:20 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/08 07:48 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/08 06:55 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/08 05:32 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/07 20:24 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/07 09:44 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/07 08:20 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/06 22:39 linux-6.1.y 04d1ccaa9c28 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/06 01:38 linux-6.1.y 7e69c33e4858 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/05 20:32 linux-6.1.y 7e69c33e4858 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/05 19:15 linux-6.1.y 7e69c33e4858 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/05 18:16 linux-6.1.y 7e69c33e4858 4f67c4ae .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/05 02:07 linux-6.1.y 7e69c33e4858 d869b261 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/04 05:41 linux-6.1.y 7e69c33e4858 76ad128c .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/03 08:39 linux-6.1.y 7e69c33e4858 115ceea7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/02 16:20 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 12:55 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 10:53 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 07:15 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 03:13 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 01:50 linux-6.1.y 7e69c33e4858 6e83b42d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 00:38 linux-6.1.y 7e69c33e4858 6e83b42d .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
2025/07/02 17:18 linux-6.1.y 7e69c33e4858 bc80e4f0 .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
2025/07/12 15:33 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/12 14:40 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/12 12:27 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/12 11:10 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/12 08:38 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/12 04:07 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/12 02:22 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/12 01:58 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/11 20:15 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/11 16:00 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/11 14:56 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 11:21 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/11 06:16 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/11 05:37 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/11 04:12 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/11 02:02 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 23:14 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 20:09 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 19:32 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 18:26 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 18:10 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 16:59 linux-6.1.y dfc486ec9cce 3cda49cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/10 15:49 linux-6.1.y dfc486ec9cce 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/10 15:13 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 12:40 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 11:20 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 11:01 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 08:10 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 06:18 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 05:55 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 04:47 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/10 03:40 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 02:56 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/10 01:02 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 23:59 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/09 22:33 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 18:58 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 18:42 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 17:33 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 17:09 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 14:56 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 13:43 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/09 12:22 linux-6.1.y 04d1ccaa9c28 f4e5e155 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan 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
2025/07/08 14:59 linux-6.1.y 04d1ccaa9c28 4d9fdfa4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 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.