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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-11-10 13:58:05 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2020-11-10 14:36:36 +0100 |
| commit | 512bce50a41c528fa15c4c014293e7bebf018658 (patch) | |
| tree | 090a6989d3d12f99ed2475b9ee8069166b9cb5d3 /net/ipv6/icmp.c | |
| parent | 5b8c596976d4338942dd889b66cd06dc766424e1 (diff) | |
| parent | f8394f232b1eab649ce2df5c5f15b0e528c92091 (diff) | |
| download | linux-512bce50a41c528fa15c4c014293e7bebf018658.tar.bz2 | |
Merge v5.10-rc3 into drm-next
We need commit f8f6ae5d077a ("mm: always have io_remap_pfn_range() set
pgprot_decrypted()") to be able to merge Jason's cleanup patch.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'net/ipv6/icmp.c')
| -rw-r--r-- | net/ipv6/icmp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index ec448b71bf9a..8956144ea65e 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -158,7 +158,13 @@ static bool is_ineligible(const struct sk_buff *skb) tp = skb_header_pointer(skb, ptr+offsetof(struct icmp6hdr, icmp6_type), sizeof(_type), &_type); - if (!tp || !(*tp & ICMPV6_INFOMSG_MASK)) + + /* Based on RFC 8200, Section 4.5 Fragment Header, return + * false if this is a fragment packet with no icmp header info. + */ + if (!tp && frag_off != 0) + return false; + else if (!tp || !(*tp & ICMPV6_INFOMSG_MASK)) return true; } return false; |