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Merge pull request #9065 from paul-elliott-arm/fix_ubsan_mp_aead_gcm

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Add early exit if zero length AEAD additional data passed in.
This commit is contained in:
Gilles Peskine
2024-04-30 09:48:20 +00:00
committed by GitHub
parent 024d3daa7d 0f37a157a2
commit 489688c0f7
2 changed files with 9 additions and 0 deletions
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6
library/psa_crypto.c
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@@ -5194,6 +5194,12 @@ psa_status_t psa_aead_update_ad(psa_aead_operation_t *operation,
goto exit;
}
/* No input to add (zero length), nothing to do. */
if (input_length == 0) {
status = PSA_SUCCESS;
goto exit;
}
if (operation->lengths_set) {
if (operation->ad_remaining < input_length) {
status = PSA_ERROR_INVALID_ARGUMENT;