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mdbx: add few checks to mdbx_validate_meta().

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Леонид Юрьев (Leonid Yuriev) 2022-02-12 01:26:17 +03:00
parent 110cf09cf8
commit 4adc7aa58d
1 changed files with 18 additions and 6 deletions
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24
src/core.c
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@ -10542,12 +10542,12 @@ static int mdbx_validate_meta(MDBX_env *env, MDBX_meta *const meta,
meta->mm_dbs[FREE_DBI].md_entries ||
meta->mm_dbs[FREE_DBI].md_leaf_pages ||
meta->mm_dbs[FREE_DBI].md_overflow_pages)) {
mdbx_warning("meta[%u] has false-empty GC, skip it", meta_number);
mdbx_warning("meta[%u] has false-empty %s, skip it", meta_number, "GC");
return MDBX_CORRUPTED;
}
} else if (unlikely(meta->mm_dbs[FREE_DBI].md_root >= meta->mm_geo.next)) {
mdbx_warning("meta[%u] has invalid GC-root %" PRIaPGNO ", skip it",
meta_number, meta->mm_dbs[FREE_DBI].md_root);
mdbx_warning("meta[%u] has invalid %s-root %" PRIaPGNO ", skip it",
meta_number, "GC", meta->mm_dbs[FREE_DBI].md_root);
return MDBX_CORRUPTED;
}
@ -10558,12 +10558,24 @@ static int mdbx_validate_meta(MDBX_env *env, MDBX_meta *const meta,
meta->mm_dbs[MAIN_DBI].md_entries ||
meta->mm_dbs[MAIN_DBI].md_leaf_pages ||
meta->mm_dbs[MAIN_DBI].md_overflow_pages)) {
mdbx_warning("meta[%u] has false-empty maindb", meta_number);
mdbx_warning("meta[%u] has false-empty %s", meta_number, "MainDB");
return MDBX_CORRUPTED;
}
} else if (unlikely(meta->mm_dbs[MAIN_DBI].md_root >= meta->mm_geo.next)) {
mdbx_warning("meta[%u] has invalid maindb-root %" PRIaPGNO ", skip it",
meta_number, meta->mm_dbs[MAIN_DBI].md_root);
mdbx_warning("meta[%u] has invalid %s-root %" PRIaPGNO ", skip it",
meta_number, "MainDB", meta->mm_dbs[MAIN_DBI].md_root);
return MDBX_CORRUPTED;
}
if (unlikely(meta->mm_dbs[FREE_DBI].md_mod_txnid > txnid)) {
mdbx_warning("meta[%u] has wrong md_mod_txnid %" PRIaTXN " for %s, skip it",
meta_number, meta->mm_dbs[FREE_DBI].md_mod_txnid, "GC");
return MDBX_CORRUPTED;
}
if (unlikely(meta->mm_dbs[MAIN_DBI].md_mod_txnid > txnid)) {
mdbx_warning("meta[%u] has wrong md_mod_txnid %" PRIaTXN " for %s, skip it",
meta_number, meta->mm_dbs[MAIN_DBI].md_mod_txnid, "MainDB");
return MDBX_CORRUPTED;
}