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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: 973d, last: now
▶ ▼ 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 2889d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 315010 now 1128d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2871d 2888d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1002d 2400d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2164d 2398d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2164d 2398d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2919d 2919d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 244117 12m 911d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 20898 5h51m 140d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 10257 31m 142d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2236d 2396d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2809d 2823d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 545101 8m 1465d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2164d 2400d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2919d 2919d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2871d 2919d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 163d 2126d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2694311 now 2183d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2831d 2870d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2919d 2919d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2871d 2919d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 28732 16m 973d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1004d 2401d 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 (72154):
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
2025/11/06 13:21 linux-6.1.y f6e38ae624cf a6c9c731 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/06 09:40 linux-6.1.y f6e38ae624cf a6c9c731 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 21:02 linux-6.1.y f6e38ae624cf a6c9c731 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 20:24 linux-6.1.y f6e38ae624cf a6c9c731 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 02:28 linux-6.1.y f6e38ae624cf 686bf657 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 19:40 linux-6.1.y f6e38ae624cf 686bf657 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 18:12 linux-6.1.y f6e38ae624cf 686bf657 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 13:54 linux-6.1.y f6e38ae624cf 686bf657 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 04:23 linux-6.1.y f6e38ae624cf 686bf657 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 02:42 linux-6.1.y f6e38ae624cf 686bf657 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/03 14:33 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
2025/11/03 11:33 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
2025/11/03 10:10 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
2025/11/03 08:43 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
2025/11/03 01:23 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
2025/11/02 23:42 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
2025/11/02 22:23 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/02 06:25 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
2025/11/01 22:20 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
2025/11/01 20:25 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
2025/11/01 17:23 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
2025/11/01 08:12 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
2025/11/01 04:15 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
2025/11/01 01:33 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
2025/11/01 00:24 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
2025/10/31 22:44 linux-6.1.y f6e38ae624cf 2c50b6a9 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/31 10:12 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 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
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
2025/11/06 12:46 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/06 10:39 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/06 08:33 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/06 07:33 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/06 06:59 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/06 05:31 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/06 03:54 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 18:34 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 17:37 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 16:19 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 15:12 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 13:20 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 12:20 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 11:08 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 09:56 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 08:32 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 07:30 linux-6.1.y f6e38ae624cf a6c9c731 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/05 05:59 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 05:16 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 04:48 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/05 00:26 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 23:12 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 22:22 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 21:09 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/04 20:05 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 17:30 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 14:55 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 13:45 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 12:40 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 10:44 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 05:34 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 03:57 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/04 01:02 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/03 23:40 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/03 22:00 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/03 20:41 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/03 20:10 linux-6.1.y f6e38ae624cf 686bf657 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/03 19:00 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
2025/11/03 17:52 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
2025/11/03 16:42 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
2025/11/03 15:39 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
2025/11/03 12:53 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
2025/11/03 12:44 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
2025/06/28 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
2025/11/05 23:01 linux-6.1.y f6e38ae624cf a6c9c731 .config console log [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.