Messages in this thread Patch in this message | | | Date | Wed, 22 Nov 2023 16:06:50 -0800 | Subject | Re: [syzbot] [mptcp?] KMSAN: uninit-value in mptcp_incoming_options | From | syzbot <> |
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Subject: [mptcp?] KMSAN: uninit-value in mptcp_incoming_options Author: eadavis@qq.com
please test uninit-value in mptcp_incoming_options
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c2d5304e6c64
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; }
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