From: Peter Maydell <peter.mayd...@linaro.org>
"0xf << 28" shifts right into the sign bit, since 0xf is a signed
integer. Use the 'U' suffix to force an unsigned shift to avoid
this undefined behaviour and a clang sanitizer warning.
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Eric Blake <ebl...@redhat.com>
Acked-by: Jan Kiszka <jan.kis...@siemens.com>
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
---
slirp/arp_table.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/slirp/arp_table.c b/slirp/arp_table.c
index bf698c1..ecdb0ba 100644
--- a/slirp/arp_table.c
+++ b/slirp/arp_table.c
@@ -38,7 +38,7 @@ void arp_table_add(Slirp *slirp, uint32_t ip_addr, uint8_t
ethaddr[ETH_ALEN])
ethaddr[3], ethaddr[4], ethaddr[5]));
/* Check 0.0.0.0/8 invalid source-only addresses */
- if ((ip_addr & htonl(~(0xf << 28))) == 0) {
+ if ((ip_addr & htonl(~(0xfU << 28))) == 0) {
return;
}
@@ -74,7 +74,7 @@ bool arp_table_search(Slirp *slirp, uint32_t ip_addr,
DEBUG_ARG("ip = 0x%x", ip_addr);
/* Check 0.0.0.0/8 invalid source-only addresses */
- assert((ip_addr & htonl(~(0xf << 28))) != 0);
+ assert((ip_addr & htonl(~(0xfU << 28))) != 0);
/* If broadcast address */
if (ip_addr == 0xffffffff || ip_addr == broadcast_addr) {
--
1.7.10.4
