From: Eric Dumazet <[email protected]>
[ Upstream commit 7b09c2d052db4b4ad0b27b97918b46a7746966fa ]
Yi Ren reported an issue discovered by syzkaller, and bisected
to the cited commit.
Many thanks to Yi, this trivial patch does not reflect the patient
work that has been done.
Fixes: d64a1f574a29 ("ipv6: honor RT6_LOOKUP_F_DST_NOREF in rule lookup logic")
Signed-off-by: Eric Dumazet <[email protected]>
Acked-by: Wei Wang <[email protected]>
Bisected-and-reported-by: Yi Ren <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv6/ip6_fib.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -318,7 +318,7 @@ struct dst_entry *fib6_rule_lookup(struc
if (rt->dst.error == -EAGAIN) {
ip6_rt_put_flags(rt, flags);
rt = net->ipv6.ip6_null_entry;
- if (!(flags | RT6_LOOKUP_F_DST_NOREF))
+ if (!(flags & RT6_LOOKUP_F_DST_NOREF))
dst_hold(&rt->dst);
}
