This patch prevents overwriting socket files by running two instances with
the same name.
Reported-by: Osier Yang <jyang@xxxxxxxxxx>
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
---
tools/kvm/kvm.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c
index 8d6b5e1..f700d78 100644
--- a/tools/kvm/kvm.c
+++ b/tools/kvm/kvm.c
@@ -152,6 +152,9 @@ static int kvm__create_socket(struct kvm *kvm)
sprintf(full_name, "%s", kvm__get_dir());
mkdir(full_name, 0777);
sprintf(full_name, "%s/%s.sock", kvm__get_dir(), kvm->name);
+ if (access(full_name, F_OK) == 0)
+ die("Socket file %s already exist", full_name);
+
s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s < 0)
return s;
--
1.7.7
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