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homed: fix copypasta in openssl calls

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decrypted_size/encrypted_size are sizes, not pointers to buffers

Reported on yeswehack.com as:
YWH-PGM9780-134

Follow-up for 70a5db5822
This commit is contained in:
Luca Boccassi
2026-03-13 10:23:36 +00:00
parent 651100c946
commit c681543680
1 changed files with 2 additions and 2 deletions
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src/home/homework-fscrypt.c
+2 -2
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@@ -256,7 +256,7 @@ static int fscrypt_slot_try_one(
assert((size_t) decrypted_size_out1 <= decrypted_size);
if (EVP_DecryptFinal_ex(context, (uint8_t*) decrypted_size + decrypted_size_out1, &decrypted_size_out2) != 1)
if (EVP_DecryptFinal_ex(context, (uint8_t*) decrypted + decrypted_size_out1, &decrypted_size_out2) != 1)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to finish decryption of volume key.");
assert((size_t) decrypted_size_out1 + (size_t) decrypted_size_out2 < decrypted_size);
@@ -520,7 +520,7 @@ static int fscrypt_slot_set(
assert((size_t) encrypted_size_out1 <= encrypted_size);
if (EVP_EncryptFinal_ex(context, (uint8_t*) encrypted_size + encrypted_size_out1, &encrypted_size_out2) != 1)
if (EVP_EncryptFinal_ex(context, (uint8_t*) encrypted + encrypted_size_out1, &encrypted_size_out2) != 1)
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to finish encryption of volume key.");
assert((size_t) encrypted_size_out1 + (size_t) encrypted_size_out2 < encrypted_size);