Commit 50d3eeae384382671952bc40e00a58f5ab00fed0

Authored by ths
1 parent 93815bc2

Close file descriptors when execing network tap setup script, by

Daniel P. Berrange.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2507 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 8 additions and 0 deletions
... ... @@ -3621,6 +3621,14 @@ static int net_tap_init(VLANState *vlan, const char *ifname1,
3621 3621 pid = fork();
3622 3622 if (pid >= 0) {
3623 3623 if (pid == 0) {
  3624 + int open_max = sysconf (_SC_OPEN_MAX), i;
  3625 + for (i = 0; i < open_max; i++)
  3626 + if (i != STDIN_FILENO &&
  3627 + i != STDOUT_FILENO &&
  3628 + i != STDERR_FILENO &&
  3629 + i != fd)
  3630 + close(i);
  3631 +
3624 3632 parg = args;
3625 3633 *parg++ = (char *)setup_script;
3626 3634 *parg++ = ifname;
... ...