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lost connection to test machine

Status: upstream: reported syz repro on 2023/03/08 14:43
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+2848ce90a1090c236f33@syzkaller.appspotmail.com
First crash: 840d, last: 2h00m
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2024/06/13 linux-6.1.y (ToT) ae9f2a70d69e C [report] INFO: rcu detected stall in corrupted
2024/06/13 upstream (ToT) 2ccbdf43d5e7 C Didn't crash
▶ ▼ Similar bugs (23)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 lost connection to test machine (2) 6 2756d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:upstream syz 241542 now 994d 0/2 premoderation: reported syz repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) C 259 2737d 2755d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine 56267 869d 2267d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) C 62294 2030d 2265d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) C 109581 2030d 2264d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine 79 2786d 2785d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:upstream syz 193130 6m 777d 0/2 premoderation: reported syz repro on 2023/05/10 12:05
android-6-12 lost connection to test machine origin:upstream syz 1638 36m 6d22h 0/1 premoderation: reported syz repro on 2025/06/19 05:52
linux-6.6 lost connection to test machine origin:upstream syz 560 39m 9d11h 0/2 upstream: reported syz repro on 2025/06/16 17:10
linux-4.4 lost connection to test machine 426 2102d 2263d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) C 1189 2676d 2690d 4/29 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine syz 422937 now 1331d 0/2 upstream: reported syz repro on 2021/11/02 11:48
android-414 lost connection to test machine C 23644 2030d 2267d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine C 8069 2785d 2785d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) C 15874 2737d 2785d 0/29 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine syz 136755 30d 1993d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) C error 2283754 now 2049d 0/29 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) C 4251 2698d 2737d 4/29 fixed on 2018/02/04 23:45
upstream lost connection to test machine C 25017 2785d 2785d 0/29 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) C 2946 2737d 2785d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:upstream syz 25173 57m 840d 0/3 upstream: reported syz repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine 30440 870d 2268d 0/1 upstream: reported on 2019/04/10 19:39
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/06/19 11:16 7h28m fix candidate upstream OK (1) job log
Crashes (58612):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/25 15:22 linux-6.1.y 58485ff1a74f 26d77996 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/25 10:48 linux-6.1.y 58485ff1a74f 26d77996 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/25 09:39 linux-6.1.y 58485ff1a74f 26d77996 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/23 16:19 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/23 15:29 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 07:24 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/22 22:35 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/22 07:12 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/22 02:35 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/21 13:36 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/21 12:13 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/21 01:07 linux-6.1.y 58485ff1a74f 804b3919 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/20 23:45 linux-6.1.y 58485ff1a74f 804b3919 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/20 23:15 linux-6.1.y 58485ff1a74f 804b3919 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/20 21:12 linux-6.1.y 58485ff1a74f 804b3919 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/20 19:47 linux-6.1.y 58485ff1a74f 804b3919 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/20 18:24 linux-6.1.y 58485ff1a74f 804b3919 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/20 05:37 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/19 22:28 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/19 21:29 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/19 12:34 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/19 11:11 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/19 07:25 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/19 05:29 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/18 05:32 linux-6.1.y 58485ff1a74f e77fae15 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/17 13:37 linux-6.1.y 58485ff1a74f cfebc887 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/16 20:55 linux-6.1.y 58485ff1a74f d1716036 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/16 19:36 linux-6.1.y 58485ff1a74f d1716036 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/16 11:46 linux-6.1.y 58485ff1a74f 5f4b362d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/16 10:01 linux-6.1.y 58485ff1a74f 5f4b362d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/15 22:19 linux-6.1.y 58485ff1a74f 5f4b362d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/15 11:46 linux-6.1.y 58485ff1a74f 5f4b362d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/15 08:07 linux-6.1.y 58485ff1a74f 5f4b362d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/15 04:05 linux-6.1.y 58485ff1a74f 5f4b362d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/14 15:05 linux-6.1.y 58485ff1a74f 0e8da31f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/14 10:14 linux-6.1.y 58485ff1a74f 0e8da31f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/14 05:46 linux-6.1.y 58485ff1a74f 0e8da31f .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2024/06/12 16:08 linux-6.1.y ae9f2a70d69e f815599d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2024/05/30 04:17 linux-6.1.y 88690811da69 34889ee3 .config syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 08:33 linux-6.1.y 58485ff1a74f e2f27c35 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/23 10:49 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/22 14:17 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/20 01:23 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/06/19 18:56 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2024/05/30 05:36 linux-6.1.y 88690811da69 34889ee3 .config syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/26 02:11 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/26 00:32 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 23:53 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 21:35 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 18:43 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 14:38 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 12:47 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 12:44 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 10:16 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 09:33 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 09:05 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 08:02 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 07:26 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 06:10 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 05:48 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/25 04:13 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 03:05 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/25 02:05 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/25 01:08 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/24 23:45 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/24 22:01 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 20:52 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 20:18 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 19:01 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 18:48 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 17:48 linux-6.1.y 58485ff1a74f 26d77996 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/24 12:35 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 11:29 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 10:28 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 08:20 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 07:20 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 06:15 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 03:29 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/24 01:18 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/06/24 00:15 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 23:29 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 22:39 linux-6.1.y 58485ff1a74f e2f27c35 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 21:27 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 19:13 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 18:43 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 17:37 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 14:51 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/06/23 20:20 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2023/03/08 14:43 linux-6.1.y 42616e0f09fb d2b00170 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
* Struck through repros no longer work on HEAD.