SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior in
lib/dpif-netlink.c:1077:40: runtime error:
left shift of 1 by 31 places cannot be represented in type 'int'
#0 0x73fc31 in dpif_netlink_port_add_compat lib/dpif-netlink.c:1077:40
#1 0x73fc31 in dpif_netlink_port_add lib/dpif-netlink.c:1132:17
#2 0x2c1745 in dpif_port_add lib/dpif.c:597:13
#3 0x07b279 in port_add ofproto/ofproto-dpif.c:3957:17
#4 0x01b209 in ofproto_port_add ofproto/ofproto.c:2124:13
#5 0xfdbfce in iface_do_create vswitchd/bridge.c:2066:13
#6 0xfdbfce in iface_create vswitchd/bridge.c:2109:13
#7 0xfdbfce in bridge_add_ports__ vswitchd/bridge.c:1173:21
#8 0xfb5319 in bridge_add_ports vswitchd/bridge.c:1189:5
#9 0xfb5319 in bridge_reconfigure vswitchd/bridge.c:901:9
#10 0xfae0f9 in bridge_run vswitchd/bridge.c:3334:9
#11 0xfe67dd in main vswitchd/ovs-vswitchd.c:129:9
#12 0x4b6d8f (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f)
#13 0x4b6e3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e3f)
#14 0x562594eed024 in _start (vswitchd/ovs-vswitchd+0x787024)
Fixes: 526df7d8543f ("tunnel: Provide framework for tunnel extensions for
VXLAN-GBP and others")
Signed-off-by: Ilya Maximets <[email protected]>
---
lib/dpif-netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/dpif-netlink.c b/lib/dpif-netlink.c
index a498d5667..89e1d4325 100644
--- a/lib/dpif-netlink.c
+++ b/lib/dpif-netlink.c
@@ -1074,7 +1074,7 @@ dpif_netlink_port_add_compat(struct dpif_netlink *dpif,
struct netdev *netdev,
ext_ofs = nl_msg_start_nested(&options, OVS_TUNNEL_ATTR_EXTENSION);
for (i = 0; i < 32; i++) {
- if (tnl_cfg->exts & (1 << i)) {
+ if (tnl_cfg->exts & (UINT32_C(1) << i)) {
nl_msg_put_flag(&options, i);
}
}
--
2.34.3
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