e2fsck on encrypted directories

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Hi Ted,

I got a question on usage of e2fsck with -D option on EXT4 FS, where
file based encryption is enabled. Is this option supposed to work on
encrypted directories?

I have encountered a case where e2fsck gets stuck
in duplicate_search_and_fix() due to strncmp checks done in this function
on encrypted file names, which may contain NUL characters.

Also, even without -D option passed, there can be a case of duplicate entries (i.e.,
ctx->dirs_to_hash is not NULL). In this case too we may see the same issue
in duplicate_search_and_fix() if the directory is encrypted.
Is my understanding correct? Please share your comments.

Thanks,
Sahitya.

--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.




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