lost connection to test machine

Status: premoderation: reported C repro on 2023/05/10 12:05
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+5c5482afaef9fefaf719@syzkaller.appspotmail.com
First crash: 1185d, last: now
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/02/16 lts (merge base) e50b81c50fcb C [report] lost connection to test machine
2026/02/16 upstream (ToT) 26a4cfaff82a C [report] lost connection to 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 3163d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 syz, C 481983 now 1402d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 syz, C 259 3145d 3163d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1277d 2675d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 syz, C 62294 2438d 2673d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 syz, C 109581 2438d 2672d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 3194d 3193d 0/2 closed as invalid on 2017/11/09 08:47
android-6-12 lost connection to test machine origin:downstream -1 syz, C 87985 now 414d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 syz, C 17167 8h46m 417d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2510d 2671d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 syz, C 1189 3084d 3098d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 syz, C 890900 now 1739d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 syz, C 23644 2438d 2675d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 syz, C 8069 3193d 3193d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 syz, C 15874 3145d 3193d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 438d 2401d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 syz, C error 3143039 7m 2457d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 syz, C 4251 3106d 3145d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 syz, C 25017 3193d 3193d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 syz, C unreliable 80147 12h48m 1248d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 syz, C 2946 3145d 3193d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 syz, C done 30925 9h50m 1248d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1278d 2676d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (388203):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/14 10:02 android14-6.1 ef75da414d7b 1a086e7c .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/11 22:46 android14-6.1 4a2a41bddacb 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/11 18:04 android14-6.1 4a2a41bddacb 38c8e246 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/08 22:49 android14-6.1 579335f6f57f d9b7f621 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/05 23:48 android14-6.1 9ab204675a62 4440e7c2 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/04 07:30 android14-6.1 9ab204675a62 4440e7c2 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/02/14 18:15 android14-6.1 edbe3e111301 1e62d198 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/07/16 04:25 android14-6.1 8824f345abdb 27a8bd60 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/07/16 03:40 android14-6.1 8824f345abdb 27a8bd60 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/07/16 02:53 android14-6.1 8824f345abdb 27a8bd60 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/07/06 05:05 android14-6.1 cf4093a4ac64 fcece630 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/16 03:58 android14-6.1 98d5d8f31585 df15c5f3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/15 03:33 android14-6.1 98d5d8f31585 e2e976a8 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/12 03:02 android14-6.1 4a2a41bddacb 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/12 01:32 android14-6.1 4a2a41bddacb 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/11 14:36 android14-6.1 4a2a41bddacb 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/11 13:35 android14-6.1 4a2a41bddacb 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/11 05:31 android14-6.1 4a2a41bddacb 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/09 13:02 android14-6.1 a0f30a943e32 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/09 10:25 android14-6.1 a0f30a943e32 38c8e246 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/09 01:05 android14-6.1 579335f6f57f d9b7f621 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/08 06:01 android14-6.1 0a2e62b2578f 2c961e87 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/06 19:29 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/06 08:38 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/06 08:18 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/05 10:22 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/05 02:50 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/04 16:38 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/04 12:37 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/04 01:19 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/03 23:40 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/03 22:27 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/03 16:57 android14-6.1 9ab204675a62 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/03 07:54 android14-6.1 b5e515a3e6a7 4440e7c2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/02 09:02 android14-6.1 b2d89e99c0ec 0cb124d5 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/02 05:30 android14-6.1 b2d89e99c0ec 0cb124d5 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/04/01 09:07 android14-6.1 0796816f4de6 fb8b2c26 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/31 16:42 android14-6.1 f5931d57f029 aeea1c72 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/30 20:22 android14-6.1 1c08e57193aa dcaebc52 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/30 19:53 android14-6.1 1c08e57193aa dcaebc52 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/30 05:36 android14-6.1 1c08e57193aa b5ceaad2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/30 02:42 android14-6.1 1c08e57193aa b5ceaad2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/29 23:36 android14-6.1 1c08e57193aa b5ceaad2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2024/05/24 08:35 android14-6.1 0a5aada71cc9 8f98448e .config console log syz [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2026/08/08 03:18 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/08 02:42 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/08 02:10 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/08 01:07 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/08 00:04 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 23:54 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 23:06 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 22:43 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 21:25 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 20:43 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 19:44 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 19:28 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 18:16 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 17:11 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 16:11 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 15:00 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 14:00 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 13:27 android14-6.1 92668decd5e0 e4ef95d6 .config console log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2026/08/07 12:35 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 12:11 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 11:04 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 10:57 android14-6.1 92668decd5e0 e4ef95d6 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 09:39 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 09:22 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 08:18 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 08:01 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 06:58 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 06:48 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 05:44 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 04:56 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 03:46 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 03:12 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 02:06 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 01:57 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 00:56 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/07 00:36 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 23:21 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 23:10 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 22:10 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 22:08 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 21:06 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 20:54 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 20:51 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/08/06 19:43 android14-6.1 92668decd5e0 c38879ea .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/06/27 21:40 android14-6.1 36d69f6a49eb 803ce19b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
* Struck through repros no longer work on HEAD.