all repos — slstatus @ 25eb9ff35e76312b09ff5613c9a3cc1275938680

my build of slstatus (tools.suckless.org/slstatus/)

FIXME: buffer overflow warning
Ali H. Fardan raiz@firemail.cc
Sun, 28 Aug 2016 16:30:12 +0300
commit

25eb9ff35e76312b09ff5613c9a3cc1275938680

parent

24c4134df6e0f7dc86e5f3c57342d2b60b1e5dab

1 files changed, 7 insertions(+), 7 deletions(-)

jump to
M slstatus.cslstatus.c

@@ -78,17 +78,17 @@

static char * smprintf(const char *fmt, ...) { - va_list fmtargs; - char tmp[120]; + /* FIXME: This code should have + bound checks, it is vulnerable to + buffer overflows */ + va_list ap; char *ret = NULL; - va_start(fmtargs, fmt); - snprintf(tmp, sizeof(tmp)-1, fmt, fmtargs); - tmp[sizeof(tmp)] = '\0'; - if (asprintf(&ret, "%s", tmp) < 0) + va_start(ap, fmt); + if (vasprintf(&ret, fmt, ap) < 0) return NULL; - va_end(fmtargs); + va_end(ap); return ret; }