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| author | zhanghailiang <zhang.zhanghailiang@huawei.com> | 2014-11-14 09:39:23 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-11-14 12:16:24 +0100 |
| commit | 77374582ab961af2c5e702f767f52179d5f7676c (patch) | |
| tree | c794bb5f0d62a00ddcc3a74ab40276698b34e0d2 /net | |
| parent | 5bbebf622897a59db5da4c468e737bfec4d71280 (diff) | |
| download | qemu-77374582ab961af2c5e702f767f52179d5f7676c.zip qemu-77374582ab961af2c5e702f767f52179d5f7676c.tar.gz qemu-77374582ab961af2c5e702f767f52179d5f7676c.tar.bz2 | |
l2tpv3: fix possible double free
freeaddrinfo(result) does not assign result = NULL, after frees it.
There will be a double free when it goes error case.
It is reported by covertiy.
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/l2tpv3.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/net/l2tpv3.c b/net/l2tpv3.c index 528d95b..65db5ef 100644 --- a/net/l2tpv3.c +++ b/net/l2tpv3.c @@ -660,7 +660,6 @@ int net_init_l2tpv3(const NetClientOptions *opts, if (fd == -1) { fd = -errno; error_report("l2tpv3_open : socket creation failed, errno = %d", -fd); - freeaddrinfo(result); goto outerr; } if (bind(fd, (struct sockaddr *) result->ai_addr, result->ai_addrlen)) { |