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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: 998d, last: 16m
▶ ▼ 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 2914d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 330542 now 1152d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2895d 2913d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1027d 2425d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2188d 2423d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2188d 2422d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2944d 2943d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 255293 now 935d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 21109 11d 164d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 12352 30m 167d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2260d 2421d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2834d 2848d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 564404 now 1489d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2188d 2425d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2943d 2943d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2895d 2943d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 188d 2151d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2775252 now 2207d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2856d 2895d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2943d 2943d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) -1 C 2946 2895d 2943d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 29215 38m 998d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1028d 2426d 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 (74422):
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
2025/11/30 12:46 linux-6.1.y f6e38ae624cf d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 10:42 linux-6.1.y f6e38ae624cf d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 21:21 linux-6.1.y f6e38ae624cf d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/28 16:58 linux-6.1.y f6e38ae624cf d6526ea3 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/26 11:20 linux-6.1.y f6e38ae624cf 64219f15 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/26 02:19 linux-6.1.y f6e38ae624cf 64219f15 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/25 15:29 linux-6.1.y f6e38ae624cf 64219f15 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/24 22:33 linux-6.1.y f6e38ae624cf bf6fe8fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/24 15:03 linux-6.1.y f6e38ae624cf bf6fe8fe .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/23 17:39 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/23 07:17 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/22 20:53 linux-6.1.y f6e38ae624cf 4fb8ef37 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/21 17:54 linux-6.1.y f6e38ae624cf 280ea308 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/21 12:15 linux-6.1.y f6e38ae624cf 280ea308 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/20 00:36 linux-6.1.y f6e38ae624cf 26ee5237 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/19 22:25 linux-6.1.y f6e38ae624cf 26ee5237 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/19 15:32 linux-6.1.y f6e38ae624cf 26ee5237 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/18 21:15 linux-6.1.y f6e38ae624cf ef766cd7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/18 13:09 linux-6.1.y f6e38ae624cf ef766cd7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/18 10:27 linux-6.1.y f6e38ae624cf ef766cd7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/18 02:45 linux-6.1.y f6e38ae624cf ef766cd7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/17 19:54 linux-6.1.y f6e38ae624cf ef766cd7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/17 06:35 linux-6.1.y f6e38ae624cf f7988ea4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/17 02:45 linux-6.1.y f6e38ae624cf f7988ea4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/17 01:16 linux-6.1.y f6e38ae624cf f7988ea4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/16 20:55 linux-6.1.y f6e38ae624cf f7988ea4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/14 06:17 linux-6.1.y f6e38ae624cf 07e030de .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/14 01:42 linux-6.1.y f6e38ae624cf 07e030de .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/12 18:46 linux-6.1.y f6e38ae624cf 07e030de .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/12 11:37 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/11 21:50 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/11 10:40 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/11 09:05 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/11 07:03 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/10 12:45 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/10 12:11 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/10 07:17 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/10 03:00 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/09 18:17 linux-6.1.y f6e38ae624cf 4e1406b4 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/09 16:17 linux-6.1.y f6e38ae624cf 4e1406b4 .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
2025/12/01 03:57 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/12/01 02:36 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/12/01 01:21 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 23:58 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 23:47 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 22:35 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 22:33 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 21:29 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 20:19 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 19:16 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 18:15 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 17:06 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 16:03 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 15:01 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 13:49 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 11:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 08:48 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 07:41 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 06:36 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 05:48 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/30 04:44 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 03:38 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 02:29 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/30 01:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/29 23:49 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/29 22:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/29 20:34 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/29 17:07 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 16:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 15:06 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 14:06 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 10:36 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 09:15 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 07:58 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 06:56 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/29 06:23 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 01:47 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/29 00:40 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/28 23:25 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/28 22:05 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/11/28 21:11 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/28 20:06 linux-6.1.y f6e38ae624cf d6526ea3 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/11/28 16:58 linux-6.1.y f6e38ae624cf d6526ea3 .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
2025/11/29 04:19 linux-6.1.y f6e38ae624cf d6526ea3 .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.