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mdbx: проверка на ноль дополнительных и пока не используемых полей в meta-страницах.

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Леонид Юрьев (Leonid Yuriev) 2024-05-13 21:18:30 +03:00
parent d1565fd326
commit dd9ba2c769
1 changed files with 16 additions and 0 deletions
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16
src/core.c
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@ -12232,6 +12232,22 @@ static int validate_meta(MDBX_env *env, MDBX_meta *const meta,
return MDBX_RESULT_TRUE;
}
if (unlikely(meta->mm_extra_flags != 0)) {
WARNING("meta[%u] has unsupported %s 0x%x, skip it", meta_number,
"extra-flags", meta->mm_extra_flags);
return MDBX_RESULT_TRUE;
}
if (unlikely(meta->mm_validator_id != 0)) {
WARNING("meta[%u] has unsupported %s 0x%x, skip it", meta_number,
"validator-id", meta->mm_validator_id);
return MDBX_RESULT_TRUE;
}
if (unlikely(meta->mm_extra_pagehdr != 0)) {
WARNING("meta[%u] has unsupported %s 0x%x, skip it", meta_number,
"extra-pageheader", meta->mm_extra_pagehdr);
return MDBX_RESULT_TRUE;
}
/* LY: check signature as a checksum */
if (META_IS_STEADY(meta) &&
unlikely(unaligned_peek_u64(4, &meta->mm_sign) != meta_sign(meta))) {