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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: 954d, last: 33m
▶ ▼ 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 2870d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 304925 6m 1108d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2851d 2869d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 983d 2381d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2144d 2379d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2144d 2378d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2900d 2899d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 236254 5m 891d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 19966 4h01m 120d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 8782 now 123d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2216d 2377d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2790d 2804d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 527002 now 1445d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2144d 2381d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2899d 2899d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2851d 2899d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 144d 2107d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2631937 now 2163d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2812d 2851d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2899d 2899d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2851d 2899d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 28288 1h04m 954d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 984d 2382d 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 (69968):
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
2025/10/18 04:12 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/18 00:56 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 19:55 linux-6.1.y c2fda4b3f577 7adf5298 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 15:16 linux-6.1.y c2fda4b3f577 19568248 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 10:53 linux-6.1.y c2fda4b3f577 19568248 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 09:09 linux-6.1.y c2fda4b3f577 19568248 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 02:41 linux-6.1.y c2fda4b3f577 19568248 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/15 09:54 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/15 09:19 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/14 11:49 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/14 10:33 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/14 09:01 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/14 07:37 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 23:39 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 03:34 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 02:04 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 00:20 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 20:54 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 19:17 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 13:09 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 11:52 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 10:53 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 04:10 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 02:40 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 15:53 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 13:13 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 12:38 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 12:17 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 07:06 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/10 23:54 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/10 21:04 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/10 19:12 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/10 09:02 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 20:19 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 18:49 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 14:02 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 12:34 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 11:56 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 10:03 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/09 04:22 linux-6.1.y 882efbdd9d34 7e2882b3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/08 06:12 linux-6.1.y 882efbdd9d34 7e2882b3 .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
2025/10/10 15:20 linux-6.1.y 882efbdd9d34 ff1712fe .config console log syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] 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
2025/10/18 02:17 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/18 01:10 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/18 00:21 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 22:59 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 21:57 linux-6.1.y c2fda4b3f577 1c8c8cd8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 20:51 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 19:43 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 18:38 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 17:57 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 16:36 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 13:22 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 12:26 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 11:25 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 10:22 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/17 09:47 linux-6.1.y c2fda4b3f577 7adf5298 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 08:46 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 07:42 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 06:33 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 05:39 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 04:12 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 02:55 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 02:44 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/17 01:39 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 23:44 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 22:44 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 21:44 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 21:36 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 19:55 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 18:46 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 18:30 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 16:58 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 15:26 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 15:00 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 13:40 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 11:57 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 07:37 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/16 05:57 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 04:22 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 02:30 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/16 02:05 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/15 23:30 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/15 20:38 linux-6.1.y c2fda4b3f577 19568248 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/15 20:09 linux-6.1.y c2fda4b3f577 19568248 .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
2025/10/16 09:50 linux-6.1.y c2fda4b3f577 19568248 .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.