[f2fs-dev] [Bug 215914] New: kernel hangs after mounting the image

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215914

            Bug ID: 215914
           Summary: kernel hangs after mounting the image
           Product: File System
           Version: 2.5
    Kernel Version: 5.17
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: f2fs
          Assignee: filesystem_f2fs@kernel-bugs.kernel.org
          Reporter: yanming@tju.edu.cn
        Regression: No

I have mounted a F2FS image with several mount options. When I try to perform
any file operations on the mount point, the kernel hangs. The process even
cannot be killed. I am wondering whether there is a bug in the file system?

The image is provided at
(https://drive.google.com/file/d/1EwbxTExo7lsNgGKRpK-CP3ccIkFJe4kg/view?usp=sharing).

This issue can be reproduced by running the following commands:
losetup /dev/loop0 case.img
mount -o
"disable_ext_identify,inline_data,nobarrier,extent_cache,grpquota,fsync_mode=nobarrier,test_dummy_encryption"
/dev/loop0 /mnt/test/
cd /mnt/test/
touch test

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