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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: 950d, last: 6m
▶ ▼ 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 2865d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 302647 17m 1104d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2847d 2864d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 978d 2376d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2140d 2374d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2140d 2374d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2895d 2895d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 234964 now 887d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 19373 now 116d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 8362 41m 118d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2212d 2372d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2785d 2799d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 523047 10m 1441d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2140d 2376d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2895d 2895d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2847d 2895d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 140d 2103d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2616872 now 2159d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2807d 2846d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2895d 2895d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2847d 2895d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 28163 53m 950d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 980d 2377d 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 (69493):
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
2025/10/13 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
2025/10/08 02:20 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
2025/10/06 15:56 linux-6.1.y 882efbdd9d34 91305dbe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/05 15:11 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/05 13:06 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/05 11:45 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/05 09:19 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/05 00:32 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/04 22:36 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/04 21:10 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/04 10:39 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/04 02:59 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/03 06:13 linux-6.1.y 882efbdd9d34 49379ee0 .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
2025/10/03 11:01 linux-6.1.y 882efbdd9d34 49379ee0 .config console log syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] 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
2025/10/13 14:47 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/13 12:46 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/13 12:05 linux-6.1.y 882efbdd9d34 b6605ba8 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 09:57 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 08:54 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/13 08:21 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/13 04:54 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/13 02:01 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/13 00:44 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 23:10 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 22:04 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 20:37 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 19:01 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 17:19 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 16:19 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 15:40 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 14:16 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 11:54 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 10:11 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 09:09 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 08:02 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 06:47 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 05:41 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/12 02:05 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 01:02 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/12 00:39 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 23:33 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 22:23 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 19:37 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 18:34 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 17:38 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 17:06 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 14:14 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 11:13 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 11:03 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 09:59 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 08:58 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 05:57 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 04:31 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 04:12 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 02:57 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/10/11 01:55 linux-6.1.y 882efbdd9d34 ff1712fe .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/10/11 01:00 linux-6.1.y 882efbdd9d34 ff1712fe .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
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.