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>
(cherry picked from commit 77374582ab
)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
parent
de98dc9539
commit
05c5febf8c
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@ -660,7 +660,6 @@ int net_init_l2tpv3(const NetClientOptions *opts,
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if (fd == -1) {
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if (fd == -1) {
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fd = -errno;
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fd = -errno;
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error_report("l2tpv3_open : socket creation failed, errno = %d", -fd);
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error_report("l2tpv3_open : socket creation failed, errno = %d", -fd);
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freeaddrinfo(result);
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goto outerr;
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goto outerr;
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}
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}
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if (bind(fd, (struct sockaddr *) result->ai_addr, result->ai_addrlen)) {
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if (bind(fd, (struct sockaddr *) result->ai_addr, result->ai_addrlen)) {
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