udf: New directory iteration code

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[ Upstream commit d16076d9b6 ]

Add new support code for iterating directory entries. The code is also
more carefully verifying validity of on-disk directory entries to avoid
crashes on malicious media.

Signed-off-by: Jan Kara <jack@suse.cz>
[cascardo: use ll_rw_block instead of bh_readahead_batch]
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jan Kara 2024-10-17 17:19:43 -03:00 • committed by Greg Kroah-Hartman

parent 46dcafa90d

commit de268ec62a

2 changed files with 418 additions and 0 deletions

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395

fs/udf/directory.c

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23

fs/udf/udfdecl.h

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