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authorDaniel Stenberg <daniel@haxx.se>2019-09-23 11:04:13 +0200
committerDaniel Stenberg <daniel@haxx.se>2019-09-23 22:44:02 +0200
commitf91b82e688e7a9f2b843a121748d4b5b4f1180b6 (patch)
treea9b46f2a79eb6b720e984d40f6acc790e4ae1658
parent9aed993da0e33e9aea27bfcd2ebcb9e7181d99c0 (diff)
downloadcurl-f91b82e688e7a9f2b843a121748d4b5b4f1180b6.tar.gz
http2: A value is being subtracted from the unsigned variable
PVS-Studio warning Fixes #4402
-rw-r--r--lib/http2.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/http2.c b/lib/http2.c
index b33782cc3..1481d1425 100644
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -1775,8 +1775,9 @@ static ssize_t http2_recv(struct connectdata *conn, int sockindex,
field list. */
#define AUTHORITY_DST_IDX 3
+/* USHRT_MAX is 65535 == 0xffff */
#define HEADER_OVERFLOW(x) \
- (x.namelen > (uint16_t)-1 || x.valuelen > (uint16_t)-1 - x.namelen)
+ (x.namelen > 0xffff || x.valuelen > 0xffff - x.namelen)
/*
* Check header memory for the token "trailers".