microsoft
/
CBL-Mariner
зеркало из https://github.com/microsoft/CBL-Mariner.git
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CBL-Mariner/SPECS/libdb/CVE-2019-2708.patch

695 строки
18 KiB
Diff
Исходник Ответственный История

--- db-18.1.32/src/btree/bt_cursor.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/btree/bt_cursor.c 2020-05-29 23:28:22.000000000 +0530
@@ -282,6 +282,8 @@
*
* Recno uses the btree bt_ovflsize value -- it's close enough.
*/
+ if (t->bt_minkey == 0)
+ return (DB_RECOVER);
cp->ovflsize = B_MINKEY_TO_OVFLSIZE(
dbp, F_ISSET(dbc, DBC_OPD) ? 2 : t->bt_minkey, dbp->pgsize);
--- db-18.1.32/src/btree/bt_verify.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/btree/bt_verify.c 2020-05-29 23:28:22.000000000 +0530
@@ -700,7 +700,11 @@
isbad = 1;
goto err;
default:
+ if (ret == 0) {
+ isbad = 1;
+ ret = DB_VERIFY_FATAL;
+ goto err;
+ }
- DB_ASSERT(env, ret != 0);
break;
}
@@ -1074,7 +1078,7 @@
DBT dbta, dbtb, dup_1, dup_2, *p1, *p2, *tmp;
ENV *env;
PAGE *child;
+ db_pgno_t cpgno, grandparent;
- db_pgno_t cpgno;
VRFY_PAGEINFO *pip;
db_indx_t i, *inp;
int adj, cmp, freedup_1, freedup_2, isbad, ret, t_ret;
@@ -1106,7 +1110,8 @@
buf1 = buf2 = NULL;
+ if (LF_ISSET(DB_NOORDERCHK))
+ return (EINVAL);
- DB_ASSERT(env, !LF_ISSET(DB_NOORDERCHK));
dupfunc = (dbp->dup_compare == NULL) ? __bam_defcmp : dbp->dup_compare;
if (TYPE(h) == P_LDUP)
@@ -1115,6 +1120,7 @@
func = __bam_defcmp;
if (dbp->bt_internal != NULL) {
bt = (BTREE *)dbp->bt_internal;
+ grandparent = bt->bt_root;
if (TYPE(h) == P_IBTREE && (bt->bt_compare != NULL ||
dupfunc != __bam_defcmp)) {
/*
@@ -974,8 +980,24 @@
*/
mpf = dbp->mpf;
child = h;
+ cpgno = pgno;
while (TYPE(child) == P_IBTREE) {
+ if (NUM_ENT(child) == 0) {
+ EPRINT((env, DB_STR_A("1088",
+ "Page %lu: internal page is empty and should not be",
+ "%lu"), (u_long)cpgno));
+ ret = DB_VERIFY_BAD;
+ goto err;
+ }
bi = GET_BINTERNAL(dbp, child, 0);
+ if (grandparent == bi->pgno) {
+ EPRINT((env, DB_STR_A("5552",
+ "Page %lu: found twice in the btree",
+ "%lu"), (u_long)grandparent));
+ ret = DB_VERIFY_FATAL;
+ goto err;
+ } else
+ grandparent = cpgno;
cpgno = bi->pgno;
if (child != h &&
(ret = __memp_fput(mpf,
@@ -1402,7 +1416,10 @@
*/
if (dup_1.data == NULL ||
dup_2.data == NULL) {
+ if (ovflok) {
+ isbad = 1;
+ goto err;
+ }
- DB_ASSERT(env, !ovflok);
if (pip != NULL)
F_SET(pip,
VRFY_INCOMPLETE);
@@ -1747,9 +1764,10 @@
(ret = __db_vrfy_ovfl_structure(dbp, vdp,
child->pgno, child->tlen,
flags | DB_ST_OVFL_LEAF)) != 0) {
+ if (ret == DB_VERIFY_BAD) {
- if (ret == DB_VERIFY_BAD)
isbad = 1;
+ break;
+ } else
- else
goto done;
}
@@ -1823,9 +1841,10 @@
stflags | DB_ST_TOPLEVEL,
NULL, NULL, NULL)) != 0) {
if (ret ==
+ DB_VERIFY_BAD) {
- DB_VERIFY_BAD)
isbad = 1;
+ break;
+ } else
- else
goto err;
}
}
@@ -1969,7 +1988,10 @@
*/
/* Otherwise, __db_vrfy_childput would be broken. */
+ if (child->refcnt < 1) {
+ isbad = 1;
+ goto err;
+ }
- DB_ASSERT(env, child->refcnt >= 1);
/*
* An overflow referenced more than twice here
@@ -1986,9 +2008,10 @@
if ((ret = __db_vrfy_ovfl_structure(dbp,
vdp, child->pgno, child->tlen,
flags)) != 0) {
+ if (ret == DB_VERIFY_BAD) {
- if (ret == DB_VERIFY_BAD)
isbad = 1;
+ break;
+ } else
- else
goto done;
}
}
@@ -2026,9 +2049,10 @@
if ((ret = __bam_vrfy_subtree(dbp, vdp, li->pgno,
i == 0 ? NULL : li, ri, flags, &child_level,
&child_nrecs, NULL)) != 0) {
+ if (ret == DB_VERIFY_BAD) {
- if (ret == DB_VERIFY_BAD)
isbad = 1;
+ break;
+ } else
- else
goto done;
}
@@ -2929,7 +2953,11 @@
db_pgno_t current, p;
int err_ret, ret;
+ if (pgset == NULL) {
+ EPRINT((dbp->env, DB_STR("5542",
+ "Error, database contains no visible pages.")));
+ return (DB_RUNRECOVERY);
+ }
- DB_ASSERT(dbp->env, pgset != NULL);
mpf = dbp->mpf;
h = NULL;
--- db-18.1.32/src/db/db_conv.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/db/db_conv.c 2020-05-29 23:28:22.000000000 +0530
@@ -493,8 +493,11 @@
db_indx_t i, *inp, len, tmp;
u_int8_t *end, *p, *pgend;
- if (pagesize == 0)
- return (0);
+ /* This function is also used to byteswap logs, so
+ * the pagesize might not be an actual page size.
+ */
+ if (!(pagesize >= 24 && pagesize <= DB_MAX_PGSIZE))
+ return (EINVAL);
if (pgin) {
M_32_SWAP(h->lsn.file);
@@ -513,26 +516,41 @@
pgend = (u_int8_t *)h + pagesize;
inp = P_INP(dbp, h);
- if ((u_int8_t *)inp >= pgend)
- goto out;
+ if ((u_int8_t *)inp > pgend)
+ return (__db_pgfmt(env, pg));
switch (TYPE(h)) {
case P_HASH_UNSORTED:
case P_HASH:
for (i = 0; i < NUM_ENT(h); i++) {
+ if ((u_int8_t*)(inp + i) >= pgend)
+ return (__db_pgfmt(env, pg));
+ if (inp[i] == 0)
+ continue;
if (pgin)
M_16_SWAP(inp[i]);
+ if (inp[i] >= pagesize)
+ return (__db_pgfmt(env, pg));
- if (P_ENTRY(dbp, h, i) >= pgend)
- continue;
+ if (P_ENTRY(dbp, h, i) >= pgend)
+ return (__db_pgfmt(env, pg));
switch (HPAGE_TYPE(dbp, h, i)) {
case H_KEYDATA:
break;
case H_DUPLICATE:
+ if (LEN_HITEM(dbp, h, pagesize, i) <
+ HKEYDATA_SIZE(0))
+ return (__db_pgfmt(env, pg));
+
len = LEN_HKEYDATA(dbp, h, pagesize, i);
p = HKEYDATA_DATA(P_ENTRY(dbp, h, i));
- for (end = p + len; p < end;) {
+
+ end = p + len;
+ if (end > pgend)
+ return (__db_pgfmt(env, pg));
+
+ while (p < end) {
if (pgin) {
P_16_SWAP(p);
memcpy(&tmp,
@@ -544,14 +562,20 @@
SWAP16(p);
}
p += tmp;
+ if (p >= end)
+ return (__db_pgfmt(env, pg));
SWAP16(p);
}
break;
case H_OFFDUP:
+ if ((inp[i] + HOFFDUP_SIZE) > pagesize)
+ return (__db_pgfmt(env, pg));
p = HOFFPAGE_PGNO(P_ENTRY(dbp, h, i));
SWAP32(p); /* pgno */
break;
case H_OFFPAGE:
+ if ((inp[i] + HOFFPAGE_SIZE) > pagesize)
+ return (__db_pgfmt(env, pg));
p = HOFFPAGE_PGNO(P_ENTRY(dbp, h, i));
SWAP32(p); /* pgno */
SWAP32(p); /* tlen */
@@ -559,7 +583,6 @@
default:
return (__db_pgfmt(env, pg));
}
-
}
/*
@@ -576,8 +599,12 @@
case P_LDUP:
case P_LRECNO:
for (i = 0; i < NUM_ENT(h); i++) {
+ if ((u_int8_t *)(inp + i) >= pgend)
+ return (__db_pgfmt(env, pg));
if (pgin)
M_16_SWAP(inp[i]);
+ if (inp[i] >= pagesize)
+ return (__db_pgfmt(env, pg));
/*
* In the case of on-page duplicates, key information
@@ -597,7 +624,7 @@
bk = GET_BKEYDATA(dbp, h, i);
if ((u_int8_t *)bk >= pgend)
- continue;
+ return (__db_pgfmt(env, pg));
switch (B_TYPE(bk->type)) {
case B_KEYDATA:
M_16_SWAP(bk->len);
@@ -605,6 +632,8 @@
case B_DUPLICATE:
case B_OVERFLOW:
bo = (BOVERFLOW *)bk;
+ if (((u_int8_t *)bo + BOVERFLOW_SIZE) > pgend)
+ return (__db_pgfmt(env, pg));
M_32_SWAP(bo->pgno);
M_32_SWAP(bo->tlen);
break;
@@ -618,12 +647,17 @@
break;
case P_IBTREE:
for (i = 0; i < NUM_ENT(h); i++) {
+ if ((u_int8_t *)(inp + i) > pgend)
+ return (__db_pgfmt(env, pg));
if (pgin)
M_16_SWAP(inp[i]);
+ if ((u_int16_t)(inp[i] +
+ BINTERNAL_SIZE(0) - 1) > pagesize)
+ break;
bi = GET_BINTERNAL(dbp, h, i);
- if ((u_int8_t *)bi >= pgend)
- continue;
+ if (((u_int8_t *)bi + BINTERNAL_SIZE(0)) > pgend)
+ return (__db_pgfmt(env, pg));
M_16_SWAP(bi->len);
M_32_SWAP(bi->pgno);
@@ -634,6 +668,10 @@
break;
case B_DUPLICATE:
case B_OVERFLOW:
+ if ((u_int16_t)(inp[i] +
+ BINTERNAL_SIZE(BOVERFLOW_SIZE) - 1) >
+ pagesize)
+ goto out;
bo = (BOVERFLOW *)bi->data;
M_32_SWAP(bo->pgno);
M_32_SWAP(bo->tlen);
@@ -648,12 +686,16 @@
break;
case P_IRECNO:
for (i = 0; i < NUM_ENT(h); i++) {
+ if ((u_int8_t *)(inp + i) >= pgend)
+ return (__db_pgfmt(env, pg));
if (pgin)
M_16_SWAP(inp[i]);
+ if (inp[i] >= pagesize)
+ return (__db_pgfmt(env, pg));
ri = GET_RINTERNAL(dbp, h, i);
- if ((u_int8_t *)ri >= pgend)
- continue;
+ if ((((u_int8_t *)ri) + RINTERNAL_SIZE) > pgend)
+ return (__db_pgfmt(env, pg));
M_32_SWAP(ri->pgno);
M_32_SWAP(ri->nrecs);
--- db-18.1.32/src/db/db_vrfy.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/db/db_vrfy.c 2020-05-29 23:28:22.000000000 +0530
@@ -381,8 +381,10 @@
vdp, name, 0, lp, rp, flags)) != 0) {
if (t_ret == DB_VERIFY_BAD)
isbad = 1;
+ else {
+ ret = t_ret;
+ goto err;
+ }
- else
- goto err;
}
/*
@@ -771,9 +773,10 @@
*/
if ((t_ret = __memp_fget(mpf, &i,
vdp->thread_info, NULL, 0, &h)) != 0) {
+ if ((dbp->type == DB_HASH ||
- if (dbp->type == DB_HASH ||
(dbp->type == DB_QUEUE &&
+ F_ISSET(dbp, DB_AM_INMEM))) &&
+ t_ret != DB_RUNRECOVERY) {
- F_ISSET(dbp, DB_AM_INMEM))) {
if ((t_ret =
__db_vrfy_getpageinfo(vdp, i, &pip)) != 0)
goto err1;
@@ -945,6 +948,8 @@
return (ret == 0 ? t_ret : ret);
}
+ if (ret == DB_PAGE_NOTFOUND && isbad == 1)
+ ret = 0;
return ((isbad == 1 && ret == 0) ? DB_VERIFY_BAD : ret);
}
@@ -1581,7 +1586,7 @@
if (pgno == PGNO_BASE_MD &&
dbtype != DB_QUEUE && meta->last_pgno != vdp->last_pgno) {
#ifdef HAVE_FTRUNCATE
+ ret = DB_VERIFY_FATAL;
- isbad = 1;
EPRINT((env, DB_STR_A("0552",
"Page %lu: last_pgno is not correct: %lu != %lu",
"%lu %lu %lu"), (u_long)pgno,
@@ -1622,7 +1627,11 @@
env = dbp->env;
pgset = vdp->pgset;
+ if (pgset == NULL) {
+ EPRINT((env, DB_STR("5543",
+ "Error, database contains no visible pages.")));
+ return (DB_RUNRECOVERY);
+ }
- DB_ASSERT(env, pgset != NULL);
if ((ret = __db_vrfy_getpageinfo(vdp, meta, &pip)) != 0)
return (ret);
@@ -2014,7 +2023,8 @@
int keyflag, ret, t_ret;
env = dbp->env;
+ if (!LF_ISSET(DB_SALVAGE))
+ return (EINVAL);
- DB_ASSERT(env, LF_ISSET(DB_SALVAGE));
/*
* !!!
@@ -2126,10 +2136,8 @@
int (*callback) __P((void *, const void *));
u_int32_t flags;
{
- ENV *env;
-
- env = dbp->env;
- DB_ASSERT(env, LF_ISSET(DB_SALVAGE));
+ if (!LF_ISSET(DB_SALVAGE))
+ return (EINVAL);
/* If we got this page in the subdb pass, we can safely skip it. */
if (__db_salvage_isdone(vdp, pgno))
@@ -2242,8 +2253,8 @@
ret = t_ret;
break;
case SALVAGE_OVERFLOW:
+ EPRINT((env, DB_STR("5544", "Invalid page type to salvage.")));
+ return (EINVAL);
- DB_ASSERT(env, 0); /* Shouldn't ever happen. */
- break;
case SALVAGE_HASH:
if ((t_ret = __ham_salvage(dbp, vdp,
pgno, h, handle, callback, flags)) != 0 && ret == 0)
@@ -2256,8 +2267,8 @@
* Shouldn't happen, but if it does, just do what the
* nice man says.
*/
+ EPRINT((env, DB_STR("5545", "Invalid page type to salvage.")));
+ return (EINVAL);
- DB_ASSERT(env, 0);
- break;
}
if ((t_ret = __memp_fput(mpf,
vdp->thread_info, h, dbp->priority)) != 0 && ret == 0)
@@ -2303,8 +2314,8 @@
ret = t_ret;
break;
default:
+ EPRINT((env, DB_STR("5546", "Invalid page type to salvage.")));
+ return (EINVAL);
- DB_ASSERT(env, 0); /* Shouldn't ever happen. */
- break;
}
if ((t_ret = __memp_fput(mpf,
vdp->thread_info, h, dbp->priority)) != 0 && ret == 0)
@@ -2361,7 +2372,10 @@
env = dbp->env;
+ if (himarkp == NULL) {
+ __db_msg(env, "Page %lu index has no end.", (u_long)pgno);
+ return (DB_VERIFY_FATAL);
+ }
- DB_ASSERT(env, himarkp != NULL);
inp = P_INP(dbp, h);
/*
@@ -2783,7 +2797,11 @@
goto err;
ovfl_bufsz = bkkey->len + 1;
}
+ if (subdbname == NULL) {
+ EPRINT((env, DB_STR("5547", "Subdatabase cannot be null.")));
+ ret = EINVAL;
+ goto err;
+ }
- DB_ASSERT(env, subdbname != NULL);
memcpy(subdbname, bkkey->data, bkkey->len);
subdbname[bkkey->len] = '\0';
}
--- db-18.1.32/src/db/db_vrfyutil.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/db/db_vrfyutil.c 2020-05-29 23:28:22.000000000 +0530
@@ -214,7 +214,8 @@
if ((ret = __db_get(pgdbp,
vdp->thread_info, vdp->txn, &key, &data, 0)) == 0) {
/* Found it. */
+ if (data.size != sizeof(VRFY_PAGEINFO))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(env, data.size == sizeof(VRFY_PAGEINFO));
pip = data.data;
LIST_INSERT_HEAD(&vdp->activepips, pip, links);
goto found;
@@ -342,7 +343,8 @@
F_SET(&data, DB_DBT_USERMEM);
if ((ret = __db_get(dbp, ip, txn, &key, &data, 0)) == 0) {
+ if (data.size != sizeof(int))
+ return (EINVAL);
- DB_ASSERT(dbp->env, data.size == sizeof(int));
} else if (ret == DB_NOTFOUND)
val = 0;
else
@@ -382,7 +384,8 @@
F_SET(&data, DB_DBT_USERMEM);
if ((ret = __db_get(dbp, ip, txn, &key, &data, 0)) == 0) {
+ if (data.size != sizeof(int))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(dbp->env, data.size == sizeof(int));
} else if (ret != DB_NOTFOUND)
return (ret);
@@ -419,7 +422,8 @@
if ((ret = __dbc_get(dbc, &key, &data, DB_NEXT)) != 0)
return (ret);
+ if (key.size != sizeof(db_pgno_t))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(dbc->env, key.size == sizeof(db_pgno_t));
*pgnop = pgno;
return (0);
@@ -566,7 +570,8 @@
if ((ret = __dbc_get(dbc, &key, &data, DB_SET)) != 0)
return (ret);
+ if (data.size != sizeof(VRFY_CHILDINFO))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(dbc->env, data.size == sizeof(VRFY_CHILDINFO));
*cipp = (VRFY_CHILDINFO *)data.data;
return (0);
@@ -594,7 +599,8 @@
if ((ret = __dbc_get(dbc, &key, &data, DB_NEXT_DUP)) != 0)
return (ret);
+ if (data.size != sizeof(VRFY_CHILDINFO))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(dbc->env, data.size == sizeof(VRFY_CHILDINFO));
*cipp = (VRFY_CHILDINFO *)data.data;
return (0);
@@ -721,7 +727,8 @@
return (ret);
while ((ret = __dbc_get(*dbcp, &key, &data, DB_NEXT)) == 0) {
+ if (data.size != sizeof(u_int32_t))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(dbp->env, data.size == sizeof(u_int32_t));
memcpy(&pgtype, data.data, sizeof(pgtype));
if (skip_overflow && pgtype == SALVAGE_OVERFLOW)
@@ -730,8 +737,9 @@
if ((ret = __dbc_del(*dbcp, 0)) != 0)
return (ret);
if (pgtype != SALVAGE_IGNORE) {
+ if (key.size != sizeof(db_pgno_t)
+ || data.size != sizeof(u_int32_t))
+ return (DB_VERIFY_FATAL);
- DB_ASSERT(dbp->env, key.size == sizeof(db_pgno_t));
- DB_ASSERT(dbp->env, data.size == sizeof(u_int32_t));
*pgnop = *(db_pgno_t *)key.data;
*pgtypep = *(u_int32_t *)data.data;
--- db-18.1.32/src/db/partition.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/db/partition.c 2020-05-29 23:28:22.000000000 +0530
@@ -461,9 +461,19 @@
} else
part->nparts = meta->nparts;
} else if (meta->nparts != 0 && part->nparts != meta->nparts) {
+ ret = EINVAL;
__db_errx(env, DB_STR("0656",
"Number of partitions does not match."));
- ret = EINVAL;
+ goto err;
+ }
+ /*
+ * There is no limit on the number of partitions, but I cannot imagine a real
+ * database having more than 10000.
+ */
+ if (meta->nparts > 10000) {
+ ret = EINVAL;
+ __db_errx(env, DB_STR_A("5553",
+ "Too many partitions %lu", "%lu"), (u_long)(meta->nparts));
goto err;
}
@@ -2106,10 +2116,13 @@
memcpy(rp->data, key->data, key->size);
B_TSET(rp->type, B_KEYDATA);
}
+vrfy: if ((t_ret = __db_verify(*pdbp, ip, (*pdbp)->fname,
+ NULL, handle, callback,
+ lp, rp, flags | DB_VERIFY_PARTITION)) != 0 && ret == 0) {
+ ret = t_ret;
+ if (ret == ENOENT)
+ break;
+ }
-vrfy: if ((t_ret = __db_verify(*pdbp, ip, (*pdbp)->fname,
- NULL, handle, callback,
- lp, rp, flags | DB_VERIFY_PARTITION)) != 0 && ret == 0)
- ret = t_ret;
}
err: if (lp != NULL)
--- db-18.1.32/src/hash/hash_page.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/hash/hash_page.c 2020-05-29 23:28:22.000000000 +0530
@@ -869,7 +869,11 @@
/* Validate that next, prev pointers are OK */
n = NUM_ENT(p);
dbp = dbc->dbp;
+ if (n % 2 != 0) {
+ __db_errx(dbp->env, DB_STR_A("5549",
+ "Odd number of entries on page: %lu", "%lu"), (u_long)(p->pgno));
+ return (DB_VERIFY_FATAL);
+ }
- DB_ASSERT(dbp->env, n%2 == 0 );
env = dbp->env;
t = dbp->h_internal;
@@ -940,7 +944,12 @@
if ((ret = __db_prpage(dbp, p, DB_PR_PAGE)) != 0)
return (ret);
#endif
+ if (res >= 0) {
+ __db_errx(env, DB_STR_A("5550",
+ "Odd number of entries on page: %lu", "%lu"),
+ (u_long)p->pgno);
+ return (DB_VERIFY_FATAL);
+ }
- DB_ASSERT(dbp->env, res < 0);
}
prev = curr;
--- db-18.1.32/src/hash/hash_verify.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/hash/hash_verify.c 2020-05-29 23:28:22.000000000 +0530
@@ -615,7 +615,7 @@
isbad = 1;
else
goto err;
+ }
- }
/*
* There may be unused hash pages corresponding to buckets
@@ -746,7 +746,7 @@
"Page %lu: impossible first page in bucket %lu", "%lu %lu"),
(u_long)pgno, (u_long)bucket));
/* Unsafe to continue. */
+ ret = DB_VERIFY_FATAL;
- isbad = 1;
goto err;
}
@@ -776,7 +776,7 @@
EPRINT((env, DB_STR_A("1116",
"Page %lu: hash page referenced twice", "%lu"),
(u_long)pgno));
+ ret = DB_VERIFY_FATAL;
- isbad = 1;
/* Unsafe to continue. */
goto err;
} else if ((ret = __db_vrfy_pgset_inc(vdp->pgset,
@@ -1307,7 +1307,11 @@
COMPQUIET(flags, 0);
ip = vdp->thread_info;
+ if (pgset == NULL) {
+ EPRINT((dbp->env, DB_STR("5548",
+ "Error, database contains no visible pages.")));
+ return (DB_VERIFY_FATAL);
+ }
- DB_ASSERT(dbp->env, pgset != NULL);
mpf = dbp->mpf;
totpgs = 0;
--- db-18.1.32/src/qam/qam_verify.c 2019-02-20 03:21:20.000000000 +0530
+++ db-18.1.40/src/qam/qam_verify.c 2020-05-29 23:28:22.000000000 +0530
@@ -465,7 +465,14 @@
/* Verify/salvage each page. */
if ((ret = __db_cursor(dbp, vdp->thread_info, NULL, &dbc, 0)) != 0)
return (ret);
-begin: for (; i <= stop; i++) {
+begin: if ((stop - i) > 100000) {
+ EPRINT((env, DB_STR_A("5551",
+"Warning, many possible extends files (%lu), will take a long time to verify",
+ "%lu"), (u_long)(stop - i)));
+ }
+ for (; i <= stop; i++) {
+ if (i == UINT32_MAX)
+ break;
/*
* If DB_SALVAGE is set, we inspect our database of completed
* pages, and skip any we've already printed in the subdb pass.
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