diff options
| author | Paul Eggert <eggert@cs.ucla.edu> | 2011-07-28 18:05:39 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2011-07-28 18:05:39 -0700 |
| commit | bf2da747e95a3902bf715076aeee947d657c94cd (patch) | |
| tree | ca8f9968080561a670b145d1e7fa433be0d84e8a /src/process.c | |
| parent | 1ef7689b9784baa31d1d723909d226fddd95bc86 (diff) | |
* process.c (Fnetwork_interface_list): Check for overflow
in size calculation.
Diffstat (limited to 'src/process.c')
| -rw-r--r-- | src/process.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/process.c b/src/process.c index 236c27e5c3a..31359a1f1f2 100644 --- a/src/process.c +++ b/src/process.c @@ -3567,6 +3567,12 @@ format; see the description of ADDRESS in `make-network-process'. */) return Qnil; again: + if (min (INT_MAX, min (PTRDIFF_MAX, SIZE_MAX)) / sizeof *ifreqs - 25 + < ifaces) + { + xfree (ifreqs); + memory_full (SIZE_MAX); + } ifaces += 25; buf_size = ifaces * sizeof (ifreqs[0]); ifreqs = (struct ifreq *)xrealloc(ifreqs, buf_size); |