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| author |  Edward Adam Davis <eadavis@qq.com>
| 2023-11-23 09:23:39 +0800 |
|---|---|---|
| committer |  David S. Miller <davem@davemloft.net>
| 2023-11-24 14:58:33 +0000 |
| commit | 237ff253f2d4f6307b7b20434d7cbcc67693298b (patch) | |
| tree | d7baa16e27b8825a649c207cdf022dfaf094d99c | |
| parent | Merge branch 'rswitch-fixes' (diff) | |
| download | linux-237ff253f2d4f6307b7b20434d7cbcc67693298b.tar.gz linux-237ff253f2d4f6307b7b20434d7cbcc67693298b.tar.bz2 linux-237ff253f2d4f6307b7b20434d7cbcc67693298b.zip | |
mptcp: fix uninit-value in mptcp_incoming_options
Added initialization use_ack to mptcp_parse_option().
Reported-by: syzbot+b834a6b2decad004cfa1@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/mptcp/options.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c index cd15ec73073e..c53914012d01 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -108,6 +108,7 @@ static void mptcp_parse_option(const struct sk_buff *skb, mp_opt->suboptions |= OPTION_MPTCP_DSS; mp_opt->use_map = 1; mp_opt->mpc_map = 1; + mp_opt->use_ack = 0; mp_opt->data_len = get_unaligned_be16(ptr); ptr += 2; } |