This patch adds a check of the tty forwarding process pid before kill()'ing it
when destroying a domain. If the pid value stored in the the vm structure is
invalid, sending a SIGKILL may be very bad if the value in question is something
like -1 (which just happens to be it's initial value).
--
Best Regards,
Dave Leskovec
IBM Linux Technology Center
Open Virtualization
---
src/lxc_driver.c | 5 +++++
1 file changed, 5 insertions(+)
Index: b/src/lxc_driver.c
===================================================================
--- a/src/lxc_driver.c 2008-05-12 23:30:58.000000000 -0700
+++ b/src/lxc_driver.c 2008-05-29 14:34:27.000000000 -0700
@@ -958,6 +958,11 @@
}
kill_tty:
+ if (2 > vm->pid) {
+ DEBUG("not killing tty process with pid %d", vm->pid);
+ goto tty_error_out;
+ }
+
if (0 > (kill(vm->pid, SIGKILL))) {
if (ESRCH != errno) {
lxcError(NULL, NULL, VIR_ERR_INTERNAL_ERROR,
--
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