syzbot

 sign-in | mailing list | source | docs
🐞 Open [122]
🐞 Fixed [2]
🐞 Invalid [205]
≡ 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:lts
[Documentation on labels]
Reported-by: syzbot+5c5482afaef9fefaf719@syzkaller.appspotmail.com
First crash: 926d, last: now
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/06/28 lts (merge base) 58485ff1a74f C [report] KASAN: use-after-free Read in worker_thread
2025/06/28 upstream (ToT) aaf724ed6926 C Didn't crash
▶ ▼ 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 2904d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:lts -1 C 324175 6m 1143d 0/2 premoderation: reported C repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) -1 C 259 2886d 2903d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine -1 56267 1017d 2415d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) -1 C 62294 2179d 2413d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) -1 C 109581 2179d 2413d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine -1 79 2934d 2934d 0/2 closed as invalid on 2017/11/09 08:47
android-6-12 lost connection to test machine origin:downstream -1 C 21109 1d23h 155d 0/1 premoderation: reported C repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream -1 C 11601 11m 157d 0/2 upstream: reported C repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine -1 426 2251d 2411d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) -1 C 1189 2824d 2838d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine -1 C 554234 now 1480d 0/2 upstream: reported C repro on 2021/11/02 11:48
android-414 lost connection to test machine -1 C 23644 2179d 2415d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine -1 C 8069 2934d 2934d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) -1 C 15874 2886d 2934d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine -1 syz 136755 178d 2141d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) -1 C error 2739974 now 2198d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) -1 C 4251 2846d 2885d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine -1 C 25017 2934d 2934d 0/29 closed as invalid on 2017/11/09 10:06
linux-6.1 lost connection to test machine origin:upstream -1 C unreliable 73603 50m 988d 0/3 upstream: reported C repro on 2023/03/08 14:43
android-49 lost connection to test machine (2) -1 C 2946 2886d 2934d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:lts-only -1 C 29025 44m 988d 0/3 upstream: reported C repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine -1 30440 1019d 2416d 0/1 upstream: reported on 2019/04/10 19:39
Crashes (250331):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/21 06:24 android14-6.1 145c7fad733f 7117feec .config console log syz / log C [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
2025/11/21 11:19 android14-6.1 eba111621724 280ea308 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 03:43 android14-6.1 eba111621724 2cc4c24a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 02:22 android14-6.1 eba111621724 2cc4c24a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 01:56 android14-6.1 eba111621724 2cc4c24a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 15:50 android14-6.1 eba111621724 2cc4c24a .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 08:48 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 06:34 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 05:07 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 04:47 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 03:34 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 02:51 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 01:21 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/19 23:45 android14-6.1 5939d88d40e1 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/19 15:01 android14-6.1 498f91c17b08 26ee5237 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/18 20:24 android14-6.1 ab1aa6ed79d0 ef766cd7 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/18 18:30 android14-6.1 ab1aa6ed79d0 ef766cd7 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/18 15:54 android14-6.1 ab1aa6ed79d0 ef766cd7 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/18 12:55 android14-6.1 ab1aa6ed79d0 ef766cd7 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/18 02:36 android14-6.1 e1af44f26291 ef766cd7 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/18 01:22 android14-6.1 e1af44f26291 ef766cd7 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/17 06:19 android14-6.1 f090d4b083a9 f7988ea4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/17 06:06 android14-6.1 f090d4b083a9 f7988ea4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/17 03:47 android14-6.1 f090d4b083a9 f7988ea4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/17 02:44 android14-6.1 f090d4b083a9 f7988ea4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/17 01:07 android14-6.1 f090d4b083a9 f7988ea4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/16 20:32 android14-6.1 f090d4b083a9 f7988ea4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/14 05:46 android14-6.1 f090d4b083a9 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/14 03:09 android14-6.1 f090d4b083a9 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/13 18:43 android14-6.1 f0170130c9a7 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/13 17:18 android14-6.1 f0170130c9a7 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/13 15:55 android14-6.1 f0170130c9a7 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/13 07:33 android14-6.1 c638897860ca 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/13 05:20 android14-6.1 c638897860ca 07e030de .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/12 12:22 android14-6.1 baae600e37e5 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/12 09:50 android14-6.1 baae600e37e5 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/12 08:21 android14-6.1 baae600e37e5 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/12 03:03 android14-6.1 baae600e37e5 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/12 03:02 android14-6.1 baae600e37e5 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/11 21:19 android14-6.1 86676b1f0b19 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/11 14:30 android14-6.1 86676b1f0b19 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/11 08:18 android14-6.1 86676b1f0b19 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/11 08:11 android14-6.1 86676b1f0b19 4e1406b4 .config strace log syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf 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
2025/11/21 13:39 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 12:22 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/21 12:21 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/21 10:45 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 09:25 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/21 08:25 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/21 06:47 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/21 06:46 android14-6.1 eba111621724 280ea308 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 05:42 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 05:28 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 04:21 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 02:41 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 00:57 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/21 00:04 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 23:21 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 22:45 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 21:44 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 20:48 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 20:10 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 18:58 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 18:27 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 17:19 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 14:05 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 12:52 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 12:43 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 11:20 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 10:16 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 10:15 android14-6.1 eba111621724 2cc4c24a .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 09:07 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 08:44 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 08:20 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 08:08 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 07:42 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 06:01 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 04:36 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 02:46 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf lost connection to test machine
2025/11/20 01:38 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/20 00:11 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/19 23:18 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/19 23:11 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/19 21:58 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/19 20:14 android14-6.1 5939d88d40e1 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
2025/11/19 19:29 android14-6.1 498f91c17b08 26ee5237 .config console log info [disk image] [vmlinux] [kernel image] ci2-android-6-1 lost connection to test machine
* Struck through repros no longer work on HEAD.