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| author | Denys Vlasenko | 2018-02-08 08:42:37 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2018-02-14 17:38:40 +0100 |
| commit | f5b9a2267803bcb1dad5e902dcdfeefb65a112c3 (patch) | |
| tree | cf523d028046012a1da3f7926435e776b438c59c /networking/libiproute/libnetlink.c | |
| parent | 112392232028fa2ce215043e7f9cf78f7ff74afe (diff) | |
| download | busybox-f5b9a2267803bcb1dad5e902dcdfeefb65a112c3.zip busybox-f5b9a2267803bcb1dad5e902dcdfeefb65a112c3.tar.gz | |
ip: fix crash in "ip neigh show"
parse_rtattr() was using tb[] array without initializing it.
Based on patch by Balaji Punnuru <balaji_punnuru@cable.comcast.com>
function old new delta
parse_rtattr 85 107 +22
print_route 1630 1617 -13
print_linkinfo 807 794 -13
iproute_get 835 822 -13
print_rule 680 665 -15
ll_remember_index 263 248 -15
print_addrinfo 1223 1197 -26
ipaddr_list_or_flush 1253 1223 -30
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/7 up/down: 22/-125) Total: -103 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/libiproute/libnetlink.c')
| -rw-r--r-- | networking/libiproute/libnetlink.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/networking/libiproute/libnetlink.c b/networking/libiproute/libnetlink.c index 3f0f703..f08d862 100644 --- a/networking/libiproute/libnetlink.c +++ b/networking/libiproute/libnetlink.c @@ -401,6 +401,8 @@ int FAST_FUNC rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data void FAST_FUNC parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len) { + memset(tb, 0, (max + 1) * sizeof(tb[0])); + while (RTA_OK(rta, len)) { if (rta->rta_type <= max) { tb[rta->rta_type] = rta; |