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conspage: Fix uninitialized memory read. (#242)

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If `prior` was not set, then `priorpg` would be uninitialized and
was subsequently used in a comparison. It should be initialized
to `NULL`.
This commit is contained in:
Bruce Mitchener 2021-01-20 00:28:40 +07:00 committed by GitHub
parent 616b526516
commit a42189fb8b
1 changed files with 1 additions and 0 deletions
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src/conspage.c
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@ -132,6 +132,7 @@ struct conspage *next_conspage(void) {
init_conspage(page2, 0); /* No next page */
init_conspage(page1, LPAGE_from_68k(page2));
priorpg = NULL;
prior = 0;
for (pg = (struct conspage *)Addr68k_from_LPAGE(next = ListpDTD->dtd_nextpage);
next && (next != CONSPAGE_LAST);