dm integrity: fix a crash with unusually large tag size

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If the user specifies tag size larger than HASH_MAX_DIGESTSIZE,
there's a crash in integrity_metadata().

Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

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Mikulas Patocka 2020-03-22 20:42:21 +01:00 • committed by Mike Snitzer

parent b8fdd09037

commit b93b6643e9

1 changed files with 2 additions and 2 deletions

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drivers/md/dm-integrity.c

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