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Fix overflow in bsearch_arg() with more than INT_MAX elements

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This was introduced in commit bfa2cee784, which replaced the old
bsearch_cmp() function we had in extended_stats.c with the current
implementation. The original discussion or commit message of
bfa2cee784 didn't mention where the new implementation came from, but
based on some googling, I'm guessing *BSD or libiberty, all of which
share this same code, with or without this fix.

Author: Ranier Vilela
Reviewed-by: Nathan Bossart
Backpatch-through: 14
Discussion: https://www.postgresql.org/message-id/CAEudQAp34o_8u6sGSVraLwuMv9F7T9hyHpePXHmRaxR2Aboi%2Bw%40mail.gmail.com
This commit is contained in:
Heikki Linnakangas 2024-10-28 14:07:38 +02:00
parent 659903f8e7
commit 211e6a5b2b
1 changed files with 2 additions and 2 deletions
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4
src/port/bsearch_arg.c
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@ -58,8 +58,8 @@ bsearch_arg(const void *key, const void *base0,
void *arg)
{
const char *base = (const char *) base0;
int lim,
cmp;
size_t lim;
int cmp;
const void *p;
for (lim = nmemb; lim != 0; lim >>= 1)