[lwip-commits] [SCM] lwIP - A Lightweight TCPIP stack branch, master, updated. STABLE-2_1_0_RELEASE-376-gadbc5b5

[Simon Goldschmidt]

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- Log -----------------------------------------------------------------
commit adbc5b5f716d108966bcf606e61de60b83f525a5
Author: Simon Goldschmidt <address@hidden>
Date:   Thu Mar 5 21:20:35 2020 +0100

    tcp: tighten up checks for received SYN
    
    Any malicous segment could contain a SYN up to now (no check).
    A SYN in the wrong segment could break OOSEQ queueing.
    Fix this by allowing SYN only in states where it is required.
    
    See bug #56397: Assert "tcp_receive: ooseq tcplen > rcv_wnd"
    
    Signed-off-by: Simon Goldschmidt <address@hidden>

commit a02f34a19330c7ac1e465a4e1cdb8cc897dd0326
Author: Simon Goldschmidt <address@hidden>
Date:   Thu Mar 5 21:00:00 2020 +0100

    fuzz: add pcap output to help debugging fuzz crashes

commit a9052caf102f967631add7af144f9a20b30c5783
Author: Simon Goldschmidt <address@hidden>
Date:   Thu Mar 5 20:49:41 2020 +0100

    fuzz: add debug output to help debugging fuzz crashes

-----------------------------------------------------------------------

Summary of changes:
 src/core/tcp_in.c       | 17 +++++++--
 test/fuzz/fuzz_common.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+), 4 deletions(-)


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