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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: 847d, last: 16m
▶ ▼ 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 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 lost connection to test machine (2) 6 2762d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts C 244556 10m 1001d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) C 259 2744d 2762d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine 56267 876d 2274d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) C 62294 2037d 2272d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) C 109581 2037d 2271d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine 79 2793d 2792d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts C 195217 5m 784d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream C 4376 7m 13d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream C 1162 53m 16d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine 426 2109d 2270d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) C 1189 2683d 2697d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine C 428269 now 1338d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine C 23644 2037d 2274d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine C 8069 2792d 2792d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) C 15874 2744d 2792d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine syz 136755 37d 2000d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) C error 2304835 now 2056d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) C 4251 2705d 2744d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine C 25017 2792d 2792d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) C 2946 2744d 2792d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only C 25427 2h50m 847d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine 30440 877d 2275d 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 (59407):
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
2025/06/30 14:37 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
2025/06/30 11:25 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
2025/06/30 08:46 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
2025/06/30 06:24 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 03:35 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 03:13 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
2025/06/30 01:17 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 00:23 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
2025/06/30 00:02 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/06/29 18:22 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
2025/06/29 18:14 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/29 14:46 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/06/29 12:53 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
2025/06/29 10:03 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
2025/06/29 08:33 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/06/29 07:22 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan 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
2025/06/30 07:19 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/30 00:19 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/29 19:21 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/29 18:29 linux-6.1.y 7e69c33e4858 fc9d8ee5 .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
2025/06/29 13:06 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/29 06:07 linux-6.1.y 7e69c33e4858 fc9d8ee5 .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
2025/07/02 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
2025/06/30 22:04 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
2025/06/30 16:35 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/30 05:20 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/30 04:00 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/29 20:01 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/29 14:52 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/29 05:59 linux-6.1.y 7e69c33e4858 fc9d8ee5 .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
2025/06/30 11:33 linux-6.1.y 7e69c33e4858 fc9d8ee5 .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
2025/07/03 02:46 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/03 02:25 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/03 01:19 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 23:19 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 23:03 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 22:02 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 19:47 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/02 18:22 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 13:51 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 12:50 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 11:48 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 10:34 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 09:52 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 07:31 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 06:21 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/02 05:52 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 04:52 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 04:00 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/02 02:43 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/02 02:35 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/02 01:34 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 01:27 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/02 00:25 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 23:00 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 22:08 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 19:29 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 17:48 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 17:15 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 16:14 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 15:21 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 15:11 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 14:07 linux-6.1.y 7e69c33e4858 091a06cd .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/07/01 12:03 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 10:04 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 04:30 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/07/01 04:16 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 23:00 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 21:14 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/30 20:23 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 18:59 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 18:00 linux-6.1.y 7e69c33e4858 6e83b42d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 16:05 linux-6.1.y 7e69c33e4858 fc9d8ee5 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/30 15:47 linux-6.1.y 7e69c33e4858 fc9d8ee5 .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
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.