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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: 764d, last: 51m
▶ ▼ 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 (21)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-44 lost connection to test machine (2) 6 2679d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:upstream syz 198061 8m 918d 0/2 premoderation: reported syz repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) C 259 2661d 2679d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine 56267 793d 2191d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) C 62294 1954d 2189d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) C 109581 1954d 2188d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine 79 2710d 2709d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:upstream syz 159834 11m 701d 0/2 premoderation: reported syz repro on 2023/05/10 12:05
linux-4.4 lost connection to test machine 426 2026d 2187d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) C 1189 2600d 2614d 4/28 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine syz 348775 now 1255d 0/2 upstream: reported syz repro on 2021/11/02 11:48
android-414 lost connection to test machine C 23644 1954d 2191d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine C 8069 2709d 2709d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) C 15874 2661d 2709d 0/28 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine syz 106531 now 1917d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) C error 2061305 now 1973d 0/28 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) C 4251 2622d 2661d 4/28 fixed on 2018/02/04 23:45
upstream lost connection to test machine C 25017 2709d 2709d 0/28 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) C 2946 2661d 2709d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:upstream syz 23046 2h40m 764d 0/3 upstream: reported syz repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine 30440 794d 2192d 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 (51133):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/10 22:48 linux-6.1.y 420102835862 1ef3ab4d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/10 03:52 linux-6.1.y 3dfebb87d7eb 988b336c .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 19:11 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 17:08 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 08:31 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 08:05 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 03:25 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/08 23:40 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/08 21:27 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/08 20:09 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/08 09:08 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/08 07:04 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/07 07:03 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/07 01:02 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/06 18:14 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/06 10:35 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/06 07:24 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/06 03:11 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/06 01:27 linux-6.1.y 8e60a714ba3b 1c65791e .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/05 11:24 linux-6.1.y 8e60a714ba3b c53ea9c9 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/05 09:42 linux-6.1.y 8e60a714ba3b c53ea9c9 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/05 09:12 linux-6.1.y 8e60a714ba3b c53ea9c9 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/05 00:12 linux-6.1.y 8e60a714ba3b 1c4febdb .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/04 19:45 linux-6.1.y 8e60a714ba3b 1c4febdb .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/04 09:12 linux-6.1.y 8e60a714ba3b d7ae3a11 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/03 22:59 linux-6.1.y 8e60a714ba3b d7ae3a11 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/03 15:52 linux-6.1.y 8e60a714ba3b 996a9618 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/03 14:52 linux-6.1.y 8e60a714ba3b 996a9618 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/03 14:10 linux-6.1.y 8e60a714ba3b 996a9618 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/03 02:06 linux-6.1.y 8e60a714ba3b c799dfdd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/02 13:36 linux-6.1.y 8e60a714ba3b c799dfdd .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/02 00:50 linux-6.1.y 8e60a714ba3b b8645499 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/01 11:54 linux-6.1.y 8e60a714ba3b 36d76a97 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/01 08:46 linux-6.1.y 8e60a714ba3b 36d76a97 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/03/31 20:50 linux-6.1.y 8e60a714ba3b d3999433 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/03/31 18:34 linux-6.1.y 8e60a714ba3b d3999433 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/03/31 13:31 linux-6.1.y 8e60a714ba3b d3999433 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/03/31 12:47 linux-6.1.y 8e60a714ba3b d3999433 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/03/31 09:47 linux-6.1.y 8e60a714ba3b d3999433 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/03/31 06:03 linux-6.1.y 8e60a714ba3b d3999433 .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
2025/04/09 05:02 linux-6.1.y 3dfebb87d7eb a775275d .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/04/03 01:20 linux-6.1.y 8e60a714ba3b c799dfdd .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
2025/04/11 01:38 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/11 00:31 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/11 00:25 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 22:16 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 22:03 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 20:02 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 18:45 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 17:52 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 16:51 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 16:40 linux-6.1.y 420102835862 1ef3ab4d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/10 15:33 linux-6.1.y 420102835862 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 14:58 linux-6.1.y 420102835862 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 14:49 linux-6.1.y 420102835862 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 13:48 linux-6.1.y 420102835862 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/10 12:00 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 10:14 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 08:46 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 08:30 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 07:16 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 02:27 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/10 02:17 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 01:01 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/10 00:50 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 23:34 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 22:44 linux-6.1.y 3dfebb87d7eb 988b336c .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 21:19 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 19:15 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 18:17 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 16:52 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 15:30 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 14:29 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 13:26 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 12:25 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 12:18 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 11:12 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 10:09 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 06:50 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 05:38 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/09 05:01 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 03:07 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/09 00:52 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/08 22:49 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/08 22:28 linux-6.1.y 3dfebb87d7eb a775275d .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan 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.