Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests: net: avoid memory leak
The buffer be used without free,fix it to avoid memory leak.
Signed-off-by: Zongmin Zhou <zhouzongmin@kylinos.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250901054557.32811-1-min_halo@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Zongmin Zhou
and committed by
Jakub Kicinski
b0bc6451
3586018d
+7
-3
+7
-3
tools/testing/selftests/net/cmsg_sender.c
+7
-3
tools/testing/selftests/net/cmsg_sender.c
···
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if (err) {
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fprintf(stderr, "Can't resolve address [%s]:%s\n",
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opt.host, opt.service);
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-
return ERN_SOCK_CREATE;
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+
err = ERN_SOCK_CREATE;
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+
goto err_free_buff;
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}
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if (ai->ai_family == AF_INET6 && opt.sock.proto == IPPROTO_ICMP)
···
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fd = socket(ai->ai_family, opt.sock.type, opt.sock.proto);
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if (fd < 0) {
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fprintf(stderr, "Can't open socket: %s\n", strerror(errno));
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-
freeaddrinfo(ai);
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-
return ERN_RESOLVE;
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+
err = ERN_RESOLVE;
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+
goto err_free_info;
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}
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if (opt.sock.proto == IPPROTO_ICMP) {
···
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err_out:
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close(fd);
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+
err_free_info:
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freeaddrinfo(ai);
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+
err_free_buff:
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+
free(buf);
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return err;
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}