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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: 1098d, last: 1h19m
▶ ▼ 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 3014d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 398452 now 1252d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2995d 3013d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1127d 2525d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2288d 2523d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2289d 2522d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 3044d 3044d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:upstream -1 C 309482 now 1035d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 36898 now 265d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 16743 3h36m 267d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2360d 2521d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2934d 2948d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 694806 now 1589d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2288d 2525d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 3044d 3044d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2995d 3043d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 288d 2251d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2995394 now 2307d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2956d 2995d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 3043d 3044d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2996d 3043d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C done 30524 37m 1098d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1128d 2526d 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 (79237):
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
2026/01/20 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
2026/01/03 00:07 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
2026/01/02 22:30 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
2026/01/02 07:38 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
2026/01/02 05:33 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
2026/03/10 15:25 linux-6.1.y f2ddafa93a25 4683d576 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/09 20:08 linux-6.1.y f2ddafa93a25 176bead5 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/09 17:40 linux-6.1.y f2ddafa93a25 176bead5 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/09 03:03 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/08 20:22 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/08 14:44 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/08 01:03 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/03/07 22:58 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/03/07 19:05 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/07 14:45 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/07 13:12 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/07 09:33 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/07 07:48 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/07 06:07 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/06 22:10 linux-6.1.y f2ddafa93a25 41d8037d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/06 17:15 linux-6.1.y f2ddafa93a25 41d8037d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/06 03:41 linux-6.1.y f2ddafa93a25 31e9c887 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/05 11:46 linux-6.1.y 2f66dd9cff42 d20b04c8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/03/05 07:59 linux-6.1.y 2f66dd9cff42 a9fe5c9e .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/04 22:30 linux-6.1.y 2f66dd9cff42 e6b6b96b .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/04 03:35 linux-6.1.y 779f9571ac3e 4180d919 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/02 20:47 linux-6.1.y 779f9571ac3e b9dd6534 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/01 06:21 linux-6.1.y 779f9571ac3e 43249bac .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/03/01 03:53 linux-6.1.y 779f9571ac3e 43249bac .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/28 15:16 linux-6.1.y 779f9571ac3e 43249bac .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/02/28 07:29 linux-6.1.y 779f9571ac3e 43249bac .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/28 06:56 linux-6.1.y 779f9571ac3e 43249bac .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/27 21:37 linux-6.1.y 779f9571ac3e 2cf092b8 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/27 17:10 linux-6.1.y 779f9571ac3e 2cf092b8 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/26 20:00 linux-6.1.y 779f9571ac3e ffa54287 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/26 12:00 linux-6.1.y 779f9571ac3e ffa54287 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/26 02:15 linux-6.1.y 779f9571ac3e e0f78d93 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2026/02/26 00:10 linux-6.1.y 779f9571ac3e e0f78d93 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/25 16:45 linux-6.1.y 779f9571ac3e 94a9671e .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2026/02/23 20:25 linux-6.1.y 779f9571ac3e 6beca497 .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
2026/03/11 07:09 linux-6.1.y f2ddafa93a25 86914af9 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/11 04:50 linux-6.1.y f2ddafa93a25 86914af9 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/10 16:44 linux-6.1.y f2ddafa93a25 4683d576 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/10 14:10 linux-6.1.y f2ddafa93a25 4683d576 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/10 14:10 linux-6.1.y f2ddafa93a25 4683d576 .config console log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/08 07:16 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/08 03:24 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/07 09:46 linux-6.1.y f2ddafa93a25 5cb44a80 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/05 21:03 linux-6.1.y f2ddafa93a25 d20b04c8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/03/03 04:45 linux-6.1.y 779f9571ac3e 28b83e23 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/02/28 23:06 linux-6.1.y 779f9571ac3e 43249bac .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/02/27 19:19 linux-6.1.y 779f9571ac3e 2cf092b8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2026/02/27 04:11 linux-6.1.y 779f9571ac3e a2f13f71 .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.