Luís Henriques 7ca4b085f4 ext4: fix memory leaks in ext4_fname_{setup_filename,prepare_lookup} ...

If the filename casefolding fails, we'll be leaking memory from the
fscrypt_name struct, namely from the 'crypto_buf.name' member.

Make sure we free it in the error path on both ext4_fname_setup_filename()
and ext4_fname_prepare_lookup() functions.

Cc: stable@kernel.org
Fixes: 1ae98e295f ("ext4: optimize match for casefolded encrypted dirs")
Signed-off-by: Luís Henriques <lhenriques@suse.de>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20230803091713.13239-1-lhenriques@suse.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

2023-08-05 08:17:56 -04:00

6.2 KiB

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