Date: Mon, 26 Dec 2016 16:27:01 +0000 (UTC) From: "Pedro F. Giffuni" <pfg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r310604 - stable/11/bin/ed Message-ID: <201612261627.uBQGR17F091029@repo.freebsd.org>
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Author: pfg Date: Mon Dec 26 16:27:01 2016 New Revision: 310604 URL: https://svnweb.freebsd.org/changeset/base/310604 Log: MFC r309873: ed(1): Prevent possible overflows during allocation. Make sure the parameters used for malloc(3) can hold size_t sizes. This should help ed(1) handle bigger data in the future. Modified: stable/11/bin/ed/ed.h stable/11/bin/ed/glbl.c stable/11/bin/ed/main.c Directory Properties: stable/11/ (props changed) Modified: stable/11/bin/ed/ed.h ============================================================================== --- stable/11/bin/ed/ed.h Mon Dec 26 15:24:12 2016 (r310603) +++ stable/11/bin/ed/ed.h Mon Dec 26 16:27:01 2016 (r310604) @@ -115,7 +115,7 @@ if (--mutex == 0) { \ /* REALLOC: assure at least a minimum size for buffer b */ #define REALLOC(b,n,i,err) \ if ((i) > (n)) { \ - int ti = (n); \ + size_t ti = (n); \ char *ts; \ SPL1(); \ if ((b) != NULL) { \ @@ -141,7 +141,7 @@ if ((i) > (n)) { \ /* REALLOC: assure at least a minimum size for buffer b */ #define REALLOC(b,n,i,err) \ if ((i) > (n)) { \ - int ti = (n); \ + size_t ti = (n); \ char *ts; \ SPL1(); \ if ((ts = (char *) realloc((b), ti += max((i), MINBUFSZ))) == NULL) { \ Modified: stable/11/bin/ed/glbl.c ============================================================================== --- stable/11/bin/ed/glbl.c Mon Dec 26 15:24:12 2016 (r310603) +++ stable/11/bin/ed/glbl.c Mon Dec 26 16:27:01 2016 (r310604) @@ -146,7 +146,7 @@ int set_active_node(line_t *lp) { if (active_last + 1 > active_size) { - int ti = active_size; + size_t ti = active_size; line_t **ts; SPL1(); #if defined(sun) || defined(NO_REALLOC_NULL) Modified: stable/11/bin/ed/main.c ============================================================================== --- stable/11/bin/ed/main.c Mon Dec 26 15:24:12 2016 (r310603) +++ stable/11/bin/ed/main.c Mon Dec 26 16:27:01 2016 (r310604) @@ -1356,7 +1356,7 @@ handle_hup(int signo) char *hup = NULL; /* hup filename */ char *s; char ed_hup[] = "ed.hup"; - int n; + size_t n; if (!sigactive) quit(1);
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