2022-05-02 10:26:59

by bugzilla-daemon

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Subject: [Bug 215932] New: kernel hangs after mounting the image

https://bugzilla.kernel.org/show_bug.cgi?id=215932

Bug ID: 215932
Summary: kernel hangs after mounting the image
Product: File System
Version: 2.5
Kernel Version: 5.17.5
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ext4
Assignee: [email protected]
Reporter: [email protected]
Regression: No

Created attachment 300866
--> https://bugzilla.kernel.org/attachment.cgi?id=300866&action=edit
compressed image

I have mounted a Ext4 image with several mount options. When I try to create a
file 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?

This issue can be reproduced by running the following commands:
losetup /dev/loop0 case.img
mount -o
"acl,oldalloc,user_xattr,jqfmt=vfsv1,nojournal_checksum,nobarrier,inode_readahead_blks=8,journal_ioprio=7,auto_da_alloc,init_itable=0,noblock_validity,dioread_lock,minixdf,errors=remount-ro"
/dev/loop0 /mnt/test/
touch /mnt/test/test

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