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Commit a1232645 authored by Jan Lindström's avatar Jan Lindström
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Add check to avoid NULL-pointer access if encryption information 

is not available. Clarify system tablespace page 0 check.
parent f341d944
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Showing with 6 additions and 6 deletions
storage/innobase/fil/fil0crypt.cc
View file @ a1232645
......@@ -662,7 +662,7 @@ fil_space_encrypt(
return src_frame;
}
ut_ad(crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
ut_a(crypt_data != NULL && crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
byte* tmp = fil_encrypt_buf(crypt_data, space, offset, lsn, src_frame, zip_size, dst_frame);
......@@ -722,7 +722,7 @@ fil_space_decrypt(
}
if (crypt_data == NULL) {
if (space != 0 && offset != 0 && key_version != 0) {
if (!(space == 0 && offset == 0) && key_version != 0) {
/* FIL_PAGE_FILE_FLUSH_LSN field i.e.
FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION
should be only defined for the
......@@ -740,7 +740,7 @@ fil_space_decrypt(
return false;
}
ut_ad(crypt_data != NULL && crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
ut_a(crypt_data != NULL && crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
/* read space & lsn */
ulint header_len = FIL_PAGE_DATA;
......
storage/xtradb/fil/fil0crypt.cc
View file @ a1232645
......@@ -662,7 +662,7 @@ fil_space_encrypt(
return src_frame;
}
ut_ad(crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
ut_a(crypt_data != NULL && crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
byte* tmp = fil_encrypt_buf(crypt_data, space, offset, lsn, src_frame, zip_size, dst_frame);
......@@ -722,7 +722,7 @@ fil_space_decrypt(
}
if (crypt_data == NULL) {
if (space != 0 && offset != 0 && key_version != 0) {
if (!(space == 0 && offset == 0) && key_version != 0) {
/* FIL_PAGE_FILE_FLUSH_LSN field i.e.
FIL_PAGE_FILE_FLUSH_LSN_OR_KEY_VERSION
should be only defined for the
......@@ -740,7 +740,7 @@ fil_space_decrypt(
return false;
}
ut_ad(crypt_data != NULL && crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
ut_a(crypt_data != NULL && crypt_data->encryption != FIL_SPACE_ENCRYPTION_OFF);
/* read space & lsn */
ulint header_len = FIL_PAGE_DATA;
......
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