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: 1297d, last: 2h03m
▶ ▼ 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 3213d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 syz, C 502941 now 1452d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 syz, C 259 3195d 3212d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1326d 2724d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 syz, C 62294 2488d 2722d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 syz, C 109581 2488d 2722d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 3243d 3243d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:upstream -1 syz, C 403414 10m 1235d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 syz, C 96024 6m 464d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 syz, C 17355 53m 466d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2560d 2720d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 syz, C 1189 3133d 3147d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 syz, C 948464 now 1789d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 syz, C 23644 2488d 2724d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 syz, C 8069 3243d 3243d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 syz, C 15874 3195d 3243d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 487d 2450d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 syz, C error 3175376 now 2507d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 syz, C 4251 3155d 3194d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 syz, C 25017 3243d 3243d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 syz, C 2946 3195d 3243d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 syz, C done 31195 7h34m 1297d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1328d 2725d 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 (81025):
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
2026/07/05 12:07 linux-6.1.y 090666d3cc90 fcece630 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/07/05 11:11 linux-6.1.y 090666d3cc90 fcece630 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/07/05 10:05 linux-6.1.y 090666d3cc90 fcece630 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/07/05 06:46 linux-6.1.y 090666d3cc90 fcece630 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/01/20 06:56 linux-6.1.y cd9b81672742 572effc1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/19 16:44 linux-6.1.y cd9b81672742 a9fc5226 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/19 13:33 linux-6.1.y cd9b81672742 a9fc5226 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/18 12:35 linux-6.1.y cd9b81672742 20d37d28 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/17 04:23 linux-6.1.y bec0e10ee67e 20d37d28 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/16 20:36 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/16 19:25 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/01/16 09:50 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/15 21:41 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/15 11:35 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/15 10:22 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/15 04:29 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/14 13:22 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/14 11:28 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/13 14:29 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/13 03:53 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/12 17:24 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/12 07:27 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/12 00:01 linux-6.1.y bec0e10ee67e d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/11 02:14 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/10 20:03 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/09 14:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/08 20:26 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/08 08:09 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/07 16:19 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/06 21:16 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/06 18:08 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/05 06:49 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/05 06:12 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/04 18:29 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/04 16:46 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/04 14:07 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/03 16:41 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/03 07:56 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/03 06:29 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/01/03 05:05 linux-6.1.y 50cbba13faa2 d6526ea3 .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
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
2026/09/26 10:58 linux-6.1.y 1a8763b93150 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/26 06:52 linux-6.1.y 1a8763b93150 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/26 05:26 linux-6.1.y 1a8763b93150 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/26 01:09 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 22:09 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/25 20:55 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/25 14:51 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 13:20 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 06:11 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 04:56 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 03:28 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 02:26 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 01:19 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/25 00:45 linux-6.1.y 1a8763b93150 3c3cdf19 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/24 07:31 linux-6.1.y 1a8763b93150 0281b448 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/23 15:11 linux-6.1.y 1a8763b93150 abce1216 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/23 09:40 linux-6.1.y 1a8763b93150 5207b90e .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/23 02:10 linux-6.1.y 1a8763b93150 5207b90e .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/21 23:09 linux-6.1.y 1a8763b93150 853b104b .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/21 20:22 linux-6.1.y 1a8763b93150 853b104b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/21 06:53 linux-6.1.y 1a8763b93150 853b104b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/19 18:03 linux-6.1.y 1a8763b93150 853b104b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/18 15:13 linux-6.1.y 1a8763b93150 853b104b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/18 14:52 linux-6.1.y 1a8763b93150 853b104b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/17 01:08 linux-6.1.y 1a8763b93150 95928915 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/16 07:27 linux-6.1.y 1a8763b93150 12a0a44a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/13 03:08 linux-6.1.y cf82dcca9634 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/12 23:55 linux-6.1.y cf82dcca9634 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/12 12:10 linux-6.1.y cf82dcca9634 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/12 10:39 linux-6.1.y cf82dcca9634 70a60e12 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/09/11 21:27 linux-6.1.y cf82dcca9634 b6a5eeb7 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/09/11 19:21 linux-6.1.y cf82dcca9634 b6a5eeb7 .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
2026/09/26 09:01 linux-6.1.y 1a8763b93150 a3c7249d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/26 00:06 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/25 09:49 linux-6.1.y 1a8763b93150 f281d9d2 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/24 00:38 linux-6.1.y 1a8763b93150 abce1216 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/23 23:13 linux-6.1.y 1a8763b93150 abce1216 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/20 10:24 linux-6.1.y 1a8763b93150 853b104b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/18 01:18 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/17 18:01 linux-6.1.y 1a8763b93150 8d7d05f1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/17 01:08 linux-6.1.y 1a8763b93150 95928915 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/16 11:29 linux-6.1.y 1a8763b93150 12a0a44a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/16 03:01 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/15 09:51 linux-6.1.y 1a8763b93150 81a27d1a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/14 20:54 linux-6.1.y 1a8763b93150 81a27d1a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/14 19:47 linux-6.1.y 1a8763b93150 81a27d1a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/09/11 23:06 linux-6.1.y cf82dcca9634 b6a5eeb7 .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.