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INFO: task hung in corrupted

Status: upstream: reported C repro on 2025/06/20 06:52
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+274d970729e4d65065cf@syzkaller.appspotmail.com
First crash: 165d, last: 8h10m
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/06/23 upstream (ToT) 86731a2a651e C [report] INFO: task hung in corrupted
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task can't die in corrupted (2) kernel 1 C error error 591 10h19m 1817d 0/29 upstream: reported C repro on 2020/12/11 10:03
upstream INFO: task hung in corrupted kernel 1 syz 1 2684d 2684d 0/29 closed as invalid on 2018/07/29 11:55
android-44 INFO: task hung in corrupted 1 syz 1 2406d 2406d 0/2 public: reported syz repro on 2019/05/02 02:15
upstream INFO: task hung in corrupted (2) mptcp 1 C done inconclusive 15 1583d 2010d 0/29 closed as invalid on 2023/04/12 14:36
linux-4.19 INFO: task hung in corrupted 1 syz error 2 1440d 1449d 0/1 upstream: reported syz repro on 2021/12/14 06:15
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2025/11/11 16:07 3h07m bisect fix linux-6.6.y OK (0) job log log
2025/08/22 21:00 2h42m bisect fix linux-6.6.y OK (0) job log log
2025/07/21 03:47 2h55m bisect fix linux-6.6.y OK (0) job log log

Sample crash report:
INFO: task kworker/u4:7:2970 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

Crashes (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/02 11:01 linux-6.6.y 4791134e4aeb d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: task hung in corrupted
2025/10/05 00:23 linux-6.6.y f34f16e5c632 49379ee0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: task hung in corrupted
2025/06/20 06:51 linux-6.6.y 6282921b6825 ed3e87f7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan INFO: task hung in corrupted
2025/09/07 09:49 linux-6.6.y 355bd0b51d2f d291dd2d .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-6-kasan INFO: task hung in corrupted
* Struck through repros no longer work on HEAD.