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| author | Peter Wu | 2016-05-04 11:32:17 +0200 |
|---|---|---|
| committer | Michael Tokarev | 2016-06-07 17:02:49 +0200 |
| commit | 96165b9eb4207a34a87c46df731d3cc42c052e13 (patch) | |
| tree | 99d4fc09288f7e5f968d32e338af47a2a80c4f37 /scripts/coccinelle | |
| parent | po/Makefile: call rm -f directly (diff) | |
| download | qemu-96165b9eb4207a34a87c46df731d3cc42c052e13.tar.gz qemu-96165b9eb4207a34a87c46df731d3cc42c052e13.tar.xz qemu-96165b9eb4207a34a87c46df731d3cc42c052e13.zip | |
gdbstub: set listen backlog to 1
Avoid possible connection drops on Linux (when tcp_syncookies is
disabled) or fallbacks to SYN cookies with the following kernel warning:
TCP: request_sock_TCP: Possible SYN flooding on port 1234. Sending cookies. Check SNMP counters.
Since Linux 4.4 (ef547f2ac16b "tcp: remove max_qlen_log"), a backlog of
zero is really treated as the "queue length for completely established
sockets waiting to be accepted" (listen(2)). This is apparently a valid
interpretation of an "implementation-defined minimum value" for a
backlog value of 0 (listen(3p)). Previous kernels would use 8 as
minimum value, but that is no longer the case.
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'scripts/coccinelle')
0 files changed, 0 insertions, 0 deletions