Allocate and clear the correct number of bytes for a
struct fd_set that should be able to hold sock + 1 bits. Before, it was apparently assumed that an fd_mask has the same size as type char. PR: bin/39617 Reported by: Peter N Lewis <peter@stairways.com.au>
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=98709
@ -906,9 +906,9 @@ wait_for_reply(register int sock, register struct sockaddr_in *fromp,
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int fromlen = sizeof(*fromp);
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nfds = howmany(sock + 1, NFDBITS);
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if ((fdsp = malloc(nfds)) == NULL)
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if ((fdsp = malloc(nfds * sizeof(fd_mask))) == NULL)
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err(1, "malloc");
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memset(fdsp, 0, nfds);
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memset(fdsp, 0, nfds * sizeof(fd_mask));
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FD_SET(sock, fdsp);
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wait.tv_sec = tp->tv_sec + waittime;
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