Date: Thu, 15 Oct 2020 09:57:22 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 250363] [tcp] data in syn_ack should be ignored Message-ID: <bug-250363-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=250363 Bug ID: 250363 Summary: [tcp] data in syn_ack should be ignored Product: Base System Version: Unspecified Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: yonghaoz1994@gmail.com data in syn_ack should be ignored as the following packetdrill script shows: ``` 0.000 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 0.000 fcntl(3, F_GETFL) = 0x2 (flags O_RDWR) 0.000 fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0 // Establish connection and verify that there was no error. 0.100 connect(3, ..., ...) = -1 0.100 > S 0:0(0) <...> +0.1 < S. 1:513(512) ack 1 win 19712 // f-stack/FreeBSD ack 513, Linux ack 1 +0.1 > . 1:1(0) ack 1 ``` -- You are receiving this mail because: You are the assignee for the bug.help
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