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"mdbx: ignore legacy P_DIRTY flag (0x10) for nested/sub-pages.

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This commit is contained in:
Leonid Yuriev 2021-08-11 15:46:31 +03:00
parent 5d4d02617d
commit b6ffec12e4
1 changed files with 6 additions and 4 deletions
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10
src/core.c
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@ -17273,18 +17273,20 @@ __cold static int mdbx_page_check(MDBX_cursor *const mc,
break;
case F_DUPDATA /* short sub-page */:
if (unlikely(dsize <= PAGEHDRSZ)) {
rc = bad_page(mp, "invalid nested-page record size (%zu)\n", dsize);
rc = bad_page(mp, "invalid nested/sub-page record size (%zu)\n",
dsize);
continue;
} else {
const MDBX_page *const sp = (MDBX_page *)data;
const char *const end_of_subpage = data + dsize;
const int nsubkeys = page_numkeys(sp);
switch (sp->mp_flags) {
switch (sp->mp_flags & /* ignore legacy P_DIRTY flag */ ~0x10) {
case P_LEAF | P_SUBP:
case P_LEAF | P_LEAF2 | P_SUBP:
break;
default:
rc = bad_page(mp, "invalid nested-page flags (%u)\n", sp->mp_flags);
rc = bad_page(mp, "invalid nested/sub-page flags (0x%02x)\n",
sp->mp_flags);
continue;
}
@ -20545,7 +20547,7 @@ __cold static int mdbx_walk_tree(mdbx_walk_ctx_t *ctx, const pgno_t pgno,
size_t subalign_bytes = 0;
MDBX_page_type_t subtype;
switch (sp->mp_flags) {
switch (sp->mp_flags & /* ignore legacy P_DIRTY flag */ ~0x10) {
case P_LEAF | P_SUBP:
subtype = MDBX_subpage_leaf;
break;