diff options
Diffstat (limited to 'libiberty/cplus-dem.c')
| -rw-r--r-- | libiberty/cplus-dem.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c index abba234..7514e57 100644 --- a/libiberty/cplus-dem.c +++ b/libiberty/cplus-dem.c @@ -56,6 +56,13 @@ void * malloc (); void * realloc (); #endif +#ifdef HAVE_LIMITS_H +#include <limits.h> +#endif +#ifndef INT_MAX +# define INT_MAX (int)(((unsigned int) ~0) >> 1) /* 0x7FFFFFFF */ +#endif + #include <demangle.h> #undef CURRENT_DEMANGLING_STYLE #define CURRENT_DEMANGLING_STYLE work->options @@ -4261,6 +4268,8 @@ remember_type (struct work_stuff *work, const char *start, int len) } else { + if (work -> typevec_size > INT_MAX / 2) + xmalloc_failed (INT_MAX); work -> typevec_size *= 2; work -> typevec = XRESIZEVEC (char *, work->typevec, work->typevec_size); @@ -4288,6 +4297,8 @@ remember_Ktype (struct work_stuff *work, const char *start, int len) } else { + if (work -> ksize > INT_MAX / 2) + xmalloc_failed (INT_MAX); work -> ksize *= 2; work -> ktypevec = XRESIZEVEC (char *, work->ktypevec, work->ksize); @@ -4317,6 +4328,8 @@ register_Btype (struct work_stuff *work) } else { + if (work -> bsize > INT_MAX / 2) + xmalloc_failed (INT_MAX); work -> bsize *= 2; work -> btypevec = XRESIZEVEC (char *, work->btypevec, work->bsize); @@ -4771,6 +4784,8 @@ string_need (string *s, int n) else if (s->e - s->p < n) { tem = s->p - s->b; + if (n > INT_MAX / 2 - tem) + xmalloc_failed (INT_MAX); n += tem; n *= 2; s->b = XRESIZEVEC (char, s->b, n); |