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author | ngie <ngie@FreeBSD.org> | 2016-06-10 18:10:32 +0000 |
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committer | ngie <ngie@FreeBSD.org> | 2016-06-10 18:10:32 +0000 |
commit | a8c272ee059b938ef0b733dddd663d4abfc19e96 (patch) | |
tree | 4ae715a9af793f53e3d0ea626df974ced85a96b2 /lib/libmp/mpasbn.c | |
parent | 68675c854c08cbd6aeadb624b8d2bc51a0e21fe5 (diff) | |
download | FreeBSD-src-a8c272ee059b938ef0b733dddd663d4abfc19e96.zip FreeBSD-src-a8c272ee059b938ef0b733dddd663d4abfc19e96.tar.gz |
MFC r299510:
r299510 (by cem):
libmp: Fix trivial buffer overrun
fgetln yields a non-NUL-terminated buffer and its length. This routine
attempted to NUL-terminate it, but did not allocate space for the NUL. So,
allocate space for the NUL.
CID: 1017457
Diffstat (limited to 'lib/libmp/mpasbn.c')
-rw-r--r-- | lib/libmp/mpasbn.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libmp/mpasbn.c b/lib/libmp/mpasbn.c index bc5556d..2656124 100644 --- a/lib/libmp/mpasbn.c +++ b/lib/libmp/mpasbn.c @@ -286,10 +286,10 @@ mp_min(MINT *mp) line = fgetln(stdin, &linelen); if (line == NULL) MPERR(("min")); - nline = malloc(linelen); + nline = malloc(linelen + 1); if (nline == NULL) MPERR(("min")); - strncpy(nline, line, linelen); + memcpy(nline, line, linelen); nline[linelen] = '\0'; rmp = _dtom("min", nline); _movem("min", rmp, mp); |