diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-02-23 02:24:56 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-23 02:29:26 +0300 |
| commit | fecc51559a844b7f74119159c3cdb25b80b4e2c6 (patch) | |
| tree | 2cf1e49810eb0c58e552f722cc2ab2742e62cf43 /net/ipv6/exthdrs.c | |
| parent | 0fb848d1a41e0d3895cb157810862db6046063dd (diff) | |
| parent | 6714ebb922ab15a209dfc3c1ed29d4bb0abc9f02 (diff) | |
| download | linux-fecc51559a844b7f74119159c3cdb25b80b4e2c6.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Conflicts:
net/ipv4/udp.c
f796feabb9f5 ("udp: add local "peek offset enabled" flag")
56667da7399e ("net: implement lockless setsockopt(SO_PEEK_OFF)")
Adjacent changes:
net/unix/garbage.c
aa82ac51d633 ("af_unix: Drop oob_skb ref before purging queue in GC.")
11498715f266 ("af_unix: Remove io_uring code for GC.")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/exthdrs.c')
| -rw-r--r-- | net/ipv6/exthdrs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 4952ae792450..02e9ffb63af1 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -177,6 +177,8 @@ static bool ip6_parse_tlv(bool hopbyhop, case IPV6_TLV_IOAM: if (!ipv6_hop_ioam(skb, off)) return false; + + nh = skb_network_header(skb); break; case IPV6_TLV_JUMBO: if (!ipv6_hop_jumbo(skb, off)) @@ -943,6 +945,14 @@ static bool ipv6_hop_ioam(struct sk_buff *skb, int optoff) if (!skb_valid_dst(skb)) ip6_route_input(skb); + /* About to mangle packet header */ + if (skb_ensure_writable(skb, optoff + 2 + hdr->opt_len)) + goto drop; + + /* Trace pointer may have changed */ + trace = (struct ioam6_trace_hdr *)(skb_network_header(skb) + + optoff + sizeof(*hdr)); + ioam6_fill_trace_data(skb, ns, trace, true); break; default: |