19 lines
705 B
Diff
19 lines
705 B
Diff
diff -up lua-5.4.0/src/ldebug.c.CVE-2020-24369 lua-5.4.0/src/ldebug.c
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--- lua-5.4.0/src/ldebug.c.CVE-2020-24369 2020-08-19 12:43:01.995387723 -0400
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+++ lua-5.4.0/src/ldebug.c 2020-08-19 12:43:42.191333666 -0400
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@@ -783,11 +783,13 @@ l_noret luaG_runerror (lua_State *L, con
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** previous instruction 'oldpc'.
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*/
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static int changedline (const Proto *p, int oldpc, int newpc) {
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+ if (p->lineinfo == NULL) /* no debug information? */
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+ return 0;
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while (oldpc++ < newpc) {
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if (p->lineinfo[oldpc] != 0)
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return (luaG_getfuncline(p, oldpc - 1) != luaG_getfuncline(p, newpc));
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}
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- return 0; /* no line changes in the way */
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+ return 0; /* no line changes between positions */
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}
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/*
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