since get_qdisc_handle() truncates the input value to 16 bit, return an
error and prompt "invalid qdisc ID" in case input 'handle' parameter needs
more than 16 bit to be stored.
Signed-off-by: Davide Caratti <dcara...@redhat.com>
---
tc/tc_util.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tc/tc_util.c b/tc/tc_util.c
index 15e49b7..24ca1f1 100644
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -82,7 +82,7 @@ int get_qdisc_handle(__u32 *h, const char *str)
if (strcmp(str, "none") == 0)
goto ok;
maj = strtoul(str, &p, 16);
- if (p == str)
+ if (p == str || maj >= (1 << 16))
return -1;
maj <<= 16;
if (*p != ':' && *p != 0)
--
2.5.5
