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sd-daemon: wipe out memory before using CMSG_NXTHDR() #1540

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merged 1 commit into from Oct 12, 2015
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sd-daemon: wipe out memory before using CMSG_NXTHDR() #1540

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2 changes: 1 addition & 1 deletion src/libsystemd/sd-daemon/sd-daemon.c
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Expand Up @@ -454,7 +454,7 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
(n_fds > 0 ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
(have_pid ? CMSG_SPACE(sizeof(struct ucred)) : 0);

msghdr.msg_control = alloca(msghdr.msg_controllen);
msghdr.msg_control = alloca0(msghdr.msg_controllen);

cmsg = CMSG_FIRSTHDR(&msghdr);
if (n_fds > 0) {
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