The branch main has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=a6dfd2015c202f3424eb58846d8575a877728881
commit a6dfd2015c202f3424eb58846d8575a877728881 Author: Dag-Erling Smørgrav <[email protected]> AuthorDate: 2023-03-10 13:24:15 +0000 Commit: Dag-Erling Smørgrav <[email protected]> CommitDate: 2023-03-10 13:25:15 +0000 tftpd: Fix max block size calculation. Sponsored by: Klara, Inc. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D38953 --- libexec/tftpd/tftp-options.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libexec/tftpd/tftp-options.c b/libexec/tftpd/tftp-options.c index 01876b4750f9..037517f9cd73 100644 --- a/libexec/tftpd/tftp-options.c +++ b/libexec/tftpd/tftp-options.c @@ -230,6 +230,7 @@ option_blksize(int peer) tftp_log(LOG_ERR, "sysctl: net.inet.udp.maxdgram"); return (acting_as_client ? 1 : 0); } + maxdgram -= 4; /* leave room for header */ int size = atoi(options[OPT_BLKSIZE].o_request); if (size < BLKSIZE_MIN || size > BLKSIZE_MAX) {
