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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: 773d, last: 25m
▶ ▼ 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 2688d never 0/2 closed as invalid on 2017/12/09 08:45
android-5-15 lost connection to test machine origin:upstream syz 203312 now 927d 0/2 premoderation: reported syz repro on 2022/10/05 10:32
android-44 lost connection to test machine (3) C 259 2670d 2688d 0/2 closed as invalid on 2017/12/27 12:57
linux-4.14 lost connection to test machine 56267 802d 2200d 0/1 upstream: reported on 2019/04/11 15:39
android-44 lost connection to test machine (4) C 62294 1963d 2198d 0/2 public: reported C repro on 2019/04/14 00:00
android-49 lost connection to test machine (3) C 109581 1963d 2197d 0/3 public: reported C repro on 2019/04/14 08:51
android-44 lost connection to test machine 79 2719d 2718d 0/2 closed as invalid on 2017/11/09 08:47
android-6-1 lost connection to test machine origin:upstream syz 164476 now 710d 0/2 premoderation: reported syz repro on 2023/05/10 12:05
linux-4.4 lost connection to test machine 426 2035d 2196d 0/1 auto-closed as invalid on 2019/12/22 11:26
upstream lost connection to test machine (4) C 1189 2609d 2623d 4/28 fixed on 2018/02/26 20:04
android-5-10 lost connection to test machine syz 357358 now 1264d 0/2 upstream: reported syz repro on 2021/11/02 11:48
android-414 lost connection to test machine C 23644 1963d 2200d 0/1 public: reported C repro on 2019/04/12 00:01
android-49 lost connection to test machine C 8069 2718d 2718d 0/3 closed as invalid on 2017/11/09 10:06
upstream lost connection to test machine (2) C 15874 2670d 2718d 0/28 closed as invalid on 2017/12/27 12:57
android-54 lost connection to test machine syz 111764 now 1926d 0/2 upstream: reported syz repro on 2020/01/10 15:22
upstream lost connection to test machine (5) C error 2089263 now 1982d 0/28 moderation: reported C repro on 2019/11/15 12:45
upstream lost connection to test machine (3) C 4251 2631d 2670d 4/28 fixed on 2018/02/04 23:45
upstream lost connection to test machine C 25017 2718d 2718d 0/28 closed as invalid on 2017/11/09 10:06
android-49 lost connection to test machine (2) C 2946 2670d 2718d 0/3 closed as invalid on 2017/12/27 12:57
linux-5.15 lost connection to test machine origin:upstream syz 23342 7m 773d 0/3 upstream: reported syz repro on 2023/03/08 15:21
linux-4.19 lost connection to test machine 30440 803d 2201d 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 (52027):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/19 16:39 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/19 14:27 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 12:02 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/19 03:04 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/19 02:19 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/19 00:56 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/18 23:36 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/18 23:04 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/18 19:08 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/18 18:52 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 18:47 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 01:06 linux-6.1.y 420102835862 a95239b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/16 17:55 linux-6.1.y 420102835862 a95239b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/16 17:40 linux-6.1.y 420102835862 a95239b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/16 12:42 linux-6.1.y 420102835862 a95239b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/15 07:15 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/15 00:08 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/14 14:33 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/14 13:03 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/14 12:33 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/14 10:03 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/14 06:02 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/14 05:19 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/14 01:38 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/13 20:19 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/13 19:32 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/13 13:44 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/13 12:22 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/13 11:46 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/13 03:36 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/12 21:23 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/12 17:54 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/12 16:25 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/12 12:49 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/12 08:28 linux-6.1.y 420102835862 0bd6db41 .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
2025/04/18 13:20 linux-6.1.y 420102835862 2a20f901 .config console log syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2 (corrupt fs)] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/04/16 18:16 linux-6.1.y 420102835862 a95239b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/04/16 13:26 linux-6.1.y 420102835862 a95239b1 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/04/15 03:53 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/04/14 14:35 linux-6.1.y 420102835862 0bd6db41 .config console log syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 lost connection to test machine
2025/04/12 21:25 linux-6.1.y 420102835862 0bd6db41 .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
2025/04/20 00:06 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 23:22 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 22:15 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 21:01 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 20:26 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 17:59 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 15:16 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/19 10:45 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/19 09:20 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 07:53 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 04:55 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/19 03:37 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 22:27 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 20:38 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 20:28 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 18:34 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/18 10:50 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 10:37 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 09:00 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 07:54 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 06:23 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 06:17 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 04:57 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 03:30 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 02:07 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/18 00:33 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 00:29 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 23:14 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 22:37 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 21:33 linux-6.1.y 420102835862 2a20f901 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/17 19:29 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 19:14 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 17:51 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 17:13 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 16:10 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 14:47 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 13:31 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 12:58 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 11:16 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 11:15 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/17 10:09 linux-6.1.y 420102835862 229db4cf .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf lost connection to test machine
2025/04/17 08:19 linux-6.1.y 420102835862 a95239b1 .config console log info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan lost connection to test machine
2025/04/18 17:24 linux-6.1.y 420102835862 2a20f901 .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.