syzbot

 sign-in | mailing list | source | docs
🐞 Open [128]
🐞 Fixed [2]
🐞 Invalid [227]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

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: 1043d, last: 23m
▶ ▼ 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 3021d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 399964 5m 1260d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 3003d 3020d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1134d 2533d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2296d 2530d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2296d 2530d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 3051d 3051d 0/2 closed as invalid on 2017/11/09 08:47
android-6-12 lost connection to test machine origin:downstream -1 C 37696 10m 272d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 16751 10h37m 275d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2368d 2528d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2941d 2956d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 700097 now 1597d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2296d 2532d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 3051d 3051d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 3003d 3051d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 296d 2259d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 3001932 now 2315d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2963d 3002d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 3051d 3051d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 C unreliable 79259 1h20m 1106d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 C 2946 3003d 3051d 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 30537 7h46m 1106d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1136d 2533d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (310992):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/03/12 05:56 android14-6.1 2cc4f53431d8 2d88ab01 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/11 12:36 android14-6.1 8e481acd7558 86914af9 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/08 05:40 android14-6.1 6bfa51973214 5cb44a80 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/07 08:54 android14-6.1 6bfa51973214 5cb44a80 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/06 09:04 android14-6.1 6bfa51973214 31e9c887 .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/05 06:06 android14-6.1 6bfa51973214 a9fe5c9e .config console log syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/01 18:46 android14-6.1 6bfa51973214 43249bac .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
2026/03/18 00:38 android14-6.1 299d5eca2e4a c8810548 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/12 14:45 android14-6.1 2cc4f53431d8 4efadf07 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/12 08:43 android14-6.1 2cc4f53431d8 2d88ab01 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/12 07:11 android14-6.1 2cc4f53431d8 2d88ab01 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/11 09:51 android14-6.1 8e481acd7558 86914af9 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/10 21:15 android14-6.1 bcc5341a93e8 4683d576 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/10 20:50 android14-6.1 bcc5341a93e8 4683d576 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/10 18:32 android14-6.1 bcc5341a93e8 4683d576 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/10 18:10 android14-6.1 bcc5341a93e8 4683d576 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/10 04:19 android14-6.1 5afccbb9b4d4 6972f302 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/09 07:21 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/09 01:13 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/08 23:45 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/08 22:16 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/08 14:45 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/08 12:46 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/07 23:03 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/07 09:24 android14-6.1 6bfa51973214 5cb44a80 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/06 21:41 android14-6.1 6bfa51973214 41d8037d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/06 21:08 android14-6.1 6bfa51973214 41d8037d .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/05 15:29 android14-6.1 6bfa51973214 d20b04c8 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/05 02:25 android14-6.1 6bfa51973214 a9fe5c9e .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/03 22:18 android14-6.1 6bfa51973214 4180d919 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/03 04:13 android14-6.1 6bfa51973214 28b83e23 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/02 22:04 android14-6.1 6bfa51973214 b9dd6534 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/02 16:09 android14-6.1 6bfa51973214 b9dd6534 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/02 15:48 android14-6.1 6bfa51973214 b9dd6534 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/02 01:12 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/01 23:32 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/01 21:22 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/01 14:01 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/01 08:58 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/02/28 20:50 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/02/28 17:40 android14-6.1 6bfa51973214 43249bac .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/02/28 00:57 android14-6.1 6bfa51973214 2cf092b8 .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
2026/03/18 16:56 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 16:22 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 16:21 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 15:21 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 15:07 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 15:01 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 13:25 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 13:23 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 12:22 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 11:47 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 10:46 android14-6.1 6bdf05f15ab2 0199f9a1 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 10:08 android14-6.1 6bdf05f15ab2 c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 08:59 android14-6.1 6bdf05f15ab2 c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 07:50 android14-6.1 6bdf05f15ab2 c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 06:24 android14-6.1 6bdf05f15ab2 c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 05:09 android14-6.1 6bdf05f15ab2 c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 05:03 android14-6.1 6bdf05f15ab2 c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 03:38 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/18 00:10 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 23:32 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2026/03/17 22:09 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 22:07 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 20:57 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 19:57 android14-6.1 299d5eca2e4a c8810548 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 19:30 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 19:26 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 18:23 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 17:47 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 17:45 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 15:55 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 15:06 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 10:07 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 10:04 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 08:04 android14-6.1 299d5eca2e4a c01bca74 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 07:15 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 06:04 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 05:39 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 04:33 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 03:49 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 03:41 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 03:02 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 02:57 android14-6.1 299d5eca2e4a 0737c18f .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2026/03/17 01:53 android14-6.1 299d5eca2e4a 0737c18f .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.