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Apply FD_CLOEXEC to FDs of message queuing socketpair

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Gerhard Rieger 2023-06-12 12:23:37 +02:00
parent 8539e6e887
commit 80f4aa8bcd
2 changed files with 5 additions and 0 deletions
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3
CHANGES
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@ -34,6 +34,9 @@ Corrections:
Fixed an internal FD leak in the EXEC,SYSTEM addresses.
The FDs of the socketpair that queues messages from signal handlers
lacked FD_CLOEXEC and thus leaked into EXEC and SYSTEM child processes.
Features:
VSOCK, VSOCK-L support options pf, socktype, prototype (currently
useless)

2
error.c
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@ -119,6 +119,8 @@ static int diag_sock_pair(void) {
diag_sock_recv = -1;
return -1;
}
fcntl(handlersocks[0], F_SETFD, FD_CLOEXEC);
fcntl(handlersocks[1], F_SETFD, FD_CLOEXEC);
diag_sock_send = handlersocks[1];
diag_sock_recv = handlersocks[0];
#if !defined(MSG_DONTWAIT)