syzbot

 sign-in | mailing list | source | docs
🐞 Open [134]
🐞 Fixed [69]
🐞 Invalid [294]
≡ 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: 1699d, 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 3112d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 454585 now 1350d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 3093d 3111d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1225d 2623d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2386d 2621d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2387d 2620d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 3142d 3142d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:upstream -1 C 359679 now 1133d 0/2 premoderation: reported C repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:downstream -1 C 70596 now 363d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 17028 27m 365d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2458d 2619d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 3032d 3046d 4/29 fixed on 2018/02/26 20:04
android-414 lost connection to test machine -1 C 23644 2386d 2623d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 3142d 3142d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 3093d 3141d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 386d 2349d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 3104468 now 2405d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 3054d 3093d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 3141d 3142d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 C unreliable 79905 2h50m 1196d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 C 2946 3094d 3141d 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 30775 4h31m 1196d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1226d 2624d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (831999):
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
2026/05/20 12:33 android13-5.10-lts f5a34916f66d 62fb93a2 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/04/15 14:57 android13-5.10-lts cc0ae2abdc73 c441f497 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/04/14 07:20 android13-5.10-lts cc0ae2abdc73 1a086e7c .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/04/14 03:18 android13-5.10-lts cc0ae2abdc73 1a086e7c .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/04/13 13:24 android13-5.10-lts cc0ae2abdc73 9530ccf9 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/03/27 19:23 android13-5.10-lts cc0ae2abdc73 74a13a23 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/03/23 02:19 android13-5.10-lts 9136079e403a 5b92003d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/03/03 05:50 android13-5.10-lts dad37bbb13a8 28b83e23 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/28 22:36 android13-5.10-lts dad37bbb13a8 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/24 08:24 android13-5.10-lts e8b14e1cefe8 41d2fa6a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/23 19:32 android13-5.10-lts e8b14e1cefe8 6beca497 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/23 14:43 android13-5.10-lts e8b14e1cefe8 6beca497 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/23 01:47 android13-5.10-lts e8b14e1cefe8 6e7b5511 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/22 23:36 android13-5.10-lts e8b14e1cefe8 6e7b5511 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/22 16:38 android13-5.10-lts e8b14e1cefe8 6e7b5511 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/20 04:06 android13-5.10-lts e8b14e1cefe8 c8d8c52d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/19 14:55 android13-5.10-lts e8b14e1cefe8 746545b8 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/19 10:23 android13-5.10-lts e8b14e1cefe8 746545b8 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/19 08:00 android13-5.10-lts e8b14e1cefe8 746545b8 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/19 05:54 android13-5.10-lts e8b14e1cefe8 746545b8 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/18 19:15 android13-5.10-lts e8b14e1cefe8 77d4d919 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/18 18:14 android13-5.10-lts e8b14e1cefe8 77d4d919 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/17 21:06 android13-5.10-lts e8b14e1cefe8 06ec4f7b .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/17 20:25 android13-5.10-lts e8b14e1cefe8 06ec4f7b .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/17 10:16 android13-5.10-lts e8b14e1cefe8 e439b951 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/17 04:03 android13-5.10-lts e8b14e1cefe8 e439b951 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/17 02:28 android13-5.10-lts e8b14e1cefe8 5d52cba5 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/16 01:30 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/16 00:25 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/15 20:46 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/15 19:55 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/15 18:56 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/15 07:16 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/14 16:06 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/14 15:27 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/14 14:56 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/14 08:38 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/14 00:26 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/13 23:37 android13-5.10-lts e8b14e1cefe8 1e62d198 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/02/13 23:09 android13-5.10-lts e8b14e1cefe8 1e62d198 .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
2026/06/17 08:27 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 08:09 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 07:46 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 07:26 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 07:07 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/17 06:41 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 06:06 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 05:45 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/17 05:21 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 05:03 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 04:43 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/17 04:17 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/17 03:56 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 03:36 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 03:10 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 02:31 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 02:18 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 02:05 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 01:51 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 01:47 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 01:44 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 01:39 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 00:54 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/17 00:00 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/16 23:22 android13-5.10-lts a36936eeef1e 62cc6db3 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 22:41 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 21:50 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 21:16 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 20:47 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 20:15 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 19:33 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/16 18:59 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 18:33 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/16 18:02 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 17:59 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/16 16:59 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 15:59 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 15:22 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf lost connection to test machine
2026/06/16 14:28 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 14:16 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 14:10 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 13:18 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 lost connection to test machine
2026/06/16 13:09 android13-5.10-lts a36936eeef1e a3998659 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-5-10 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.