git: ab4edcd552c9 - main - m4: Fix OOB access displaying MIN_INT
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Date: Sat, 24 May 2025 17:28:42 UTC
The branch main has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=ab4edcd552c967a400e85afc0fd3e6729fa9ee2c commit ab4edcd552c967a400e85afc0fd3e6729fa9ee2c Author: Eric Blake <eblake@redhat.com> AuthorDate: 2025-05-24 17:21:38 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2025-05-24 17:26:47 +0000 m4: Fix OOB access displaying MIN_INT Previously displaying INT_MIN resulted in an out of bounds access to digits[-8]. In twos-complement -INT_MIN is still negative. PR: 287013 Reviewed by: emaste --- usr.bin/m4/misc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/usr.bin/m4/misc.c b/usr.bin/m4/misc.c index d641ec56afeb..1870323ccb30 100644 --- a/usr.bin/m4/misc.c +++ b/usr.bin/m4/misc.c @@ -121,7 +121,7 @@ void pbnumbase(int n, int base, int d) { static char digits[36] = "0123456789abcdefghijklmnopqrstuvwxyz"; - int num; + unsigned int num; int printed = 0; if (base > 36)