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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: 904d, last: 18m
▶ ▼ 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 2819d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 276262 now 1058d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2801d 2818d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 932d 2331d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2094d 2328d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2094d 2328d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2849d 2849d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 216046 now 841d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 17595 7m 70d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 5129 12m 73d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2166d 2326d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2739d 2754d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 478943 now 1395d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2094d 2330d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2849d 2849d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2801d 2849d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 94d 2057d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2474262 now 2113d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2761d 2800d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2849d 2849d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2801d 2849d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 26996 30m 904d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 934d 2331d 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 (64217):
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
2025/08/28 12:52 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 09:26 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 05:13 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 23:12 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 22:31 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 17:47 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 15:23 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 14:41 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 09:05 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 02:48 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 02:09 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/26 23:08 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/26 15:15 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/26 13:50 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/26 12:28 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/26 04:26 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 23:54 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 19:57 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 19:21 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 17:45 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 17:01 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 15:42 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 13:39 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 11:28 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 09:56 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 06:22 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 04:44 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 04:08 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 01:56 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 23:06 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 18:17 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 15:34 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 13:25 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 12:15 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 11:34 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 10:23 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 09:23 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 08:51 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 06:41 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 03:05 linux-6.1.y 0bc96de781b4 bf27483f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/24 01:30 linux-6.1.y 0bc96de781b4 bf27483f .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
2025/08/23 02:13 linux-6.1.y 0bc96de781b4 bf27483f .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
2025/08/28 17:01 linux-6.1.y f89b6e15694c e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/28 15:47 linux-6.1.y f89b6e15694c e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 14:31 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/28 14:22 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/28 10:43 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 09:24 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/28 06:33 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 03:14 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 02:08 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 01:17 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/28 00:16 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 21:52 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/27 20:55 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 18:55 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/27 14:25 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/27 13:15 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 11:44 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 11:42 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/27 10:13 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/27 04:12 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/27 01:37 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 22:48 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 21:33 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 21:24 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 20:16 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 19:04 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 17:43 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 16:38 linux-6.1.y 0bc96de781b4 e12e5ba4 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 13:54 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/26 11:29 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 10:20 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 07:34 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 06:31 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 03:46 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 02:20 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/26 01:14 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 21:21 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 12:29 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/08/25 11:27 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 08:58 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 08:43 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 07:30 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 05:04 linux-6.1.y 0bc96de781b4 bf27483f .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/08/25 01:17 linux-6.1.y 0bc96de781b4 bf27483f .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.