From be1ce400c4b4b910c465163aac0190f8f1647deb Mon Sep 17 00:00:00 2001
From: Christopher Faulet <cfaulet@haproxy.com>
Date: Thu, 18 Sep 2025 08:58:03 +0200
Subject: [PATCH] MINOR: filters: Reset knwon input payload length if a data
 filter is used

It a data filter is registered on a channel, the corresponding <kip>
field must be reset because the payload may be altered.
---
 src/filters.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/filters.c b/src/filters.c
index 22c09581b..d786292d3 100644
--- a/src/filters.c
+++ b/src/filters.c
@@ -738,6 +738,7 @@ flt_http_payload(struct stream *s, struct http_msg *msg, unsigned int len)
 	htx->flags |= HTX_FL_ALTERED_PAYLOAD;
 	if (msg->flags & HTTP_MSGF_XFER_LEN)
 		htx->extra = 0;
+	chn_prod(msg->chn)->sedesc->kip = 0;
 	DBG_TRACE_LEAVE(STRM_EV_STRM_ANA|STRM_EV_HTTP_ANA|STRM_EV_FLT_ANA, s);
 	return ret;
 }
@@ -1019,6 +1020,7 @@ flt_tcp_payload(struct stream *s, struct channel *chn, unsigned int len)
 		*strm_off += ret;
 	}
  end:
+	chn_prod(chn)->sedesc->kip = 0;
 	DBG_TRACE_LEAVE(STRM_EV_TCP_ANA|STRM_EV_FLT_ANA, s);
 	return ret;
 }