syzbot

 sign-in | mailing list | source | docs
🐞 Open [122]
🐞 Fixed [69]
🐞 Invalid [270]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

lost connection to test machine

Status: upstream: reported C repro on 2021/11/02 11:48
Reported-by: syzbot+2962357705fe4bcb585b@syzkaller.appspotmail.com
First crash: 1557d, last: now
▶ ▼ 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 2970d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 376756 now 1208d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2951d 2969d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1083d 2481d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2244d 2479d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2244d 2478d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 3000d 2999d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:lts -1 C 285713 6m 991d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 21985 now 221d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 16630 1d19h 223d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2316d 2477d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2890d 2904d 4/29 fixed on 2018/02/26 20:04
android-414 lost connection to test machine -1 C 23644 2244d 2481d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2999d 2999d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2951d 2999d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 244d 2207d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2964458 now 2263d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2912d 2951d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2999d 2999d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 C unreliable 79053 1d14h 1054d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 C 2946 2951d 2999d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C done 30398 2d05h 1054d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1084d 2482d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (636864):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/26 21:48 android13-5.10-lts 59e9a7228857 803ce19b .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 00:21 android13-5.10-lts 5601baec60aa 55756628 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 20:27 android13-5.10-lts 5601baec60aa 40acda8a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 19:54 android13-5.10-lts 5601baec60aa 40acda8a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/24 22:01 android13-5.10-lts 5601baec60aa 40acda8a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/24 12:12 android13-5.10-lts 5601baec60aa 40acda8a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/24 02:05 android13-5.10-lts 5601baec60aa 4f25b9b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/23 15:12 android13-5.10-lts 5601baec60aa e2b1b6e6 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/22 06:05 android13-5.10-lts c74681d01ab2 a16aed1d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/21 09:45 android13-5.10-lts e253c52bbdfc 6f1aa2f9 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/20 18:52 android13-5.10-lts e253c52bbdfc 06648d9c .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/20 13:33 android13-5.10-lts e253c52bbdfc 06648d9c .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/18 21:26 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/18 14:28 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/18 12:30 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/18 07:37 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/17 20:37 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/17 09:44 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/17 07:19 android13-5.10-lts e253c52bbdfc 20d37d28 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/16 13:55 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/16 10:41 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/16 04:38 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/12 16:32 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/12 14:53 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/12 14:28 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/12 13:47 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/12 10:05 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/11 19:11 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/11 04:16 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/11 00:53 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/10 23:36 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/10 15:48 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/09 13:30 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/09 10:29 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/09 09:26 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/09 05:18 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/09 01:58 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/08 19:38 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/01/08 19:16 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/08 18:47 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/08 17:37 android13-5.10-lts e253c52bbdfc d6526ea3 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2024/05/24 06:10 android13-5.10-lts a8e7f812fbc1 8f98448e .config console log syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 06:19 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 05:49 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 05:10 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 04:41 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 04:11 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 03:42 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 03:17 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 02:37 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 02:12 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 01:43 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 01:21 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 01:10 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/26 00:33 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 23:51 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 23:09 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 22:58 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 22:54 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 21:30 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 21:13 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 20:53 android13-5.10-lts 5601baec60aa 55756628 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 20:07 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 19:50 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 19:25 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 18:56 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 18:28 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 18:06 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 17:42 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 17:28 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 17:10 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 16:47 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 16:23 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 15:35 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 15:14 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 14:50 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 14:25 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 13:58 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 13:34 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 13:07 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 12:46 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 12:22 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 11:45 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/25 11:27 android13-5.10-lts 5601baec60aa 40acda8a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/01/22 04:22 android13-5.10-lts c74681d01ab2 8fc37797 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2021/11/02 08:39 android12-5.10-lts 4944ec82ebb9 098b5d53 .config console log info ci2-android-5-10 lost connection to test machine
2021/10/25 08:52 android12-5.10-lts 234d53d2bb60 4f0000ee .config console log info ci2-android-5-10 lost connection to test machine
2021/10/22 05:37 android12-5.10-lts 234d53d2bb60 55f90bc6 .config console log info ci2-android-5-10 lost connection to test machine
* Struck through repros no longer work on HEAD.