git: network - Fix race in accept()
Matthew Dillon
dillon at crater.dragonflybsd.org
Thu Sep 16 23:03:04 PDT 2010
commit c19fdb0e337965597a1be65123c93c2b0fdf1d1b
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Thu Sep 16 23:00:26 2010 -0700
network - Fix race in accept()
* Fix a race where a socket undergoing an accept() was not being
referenced soon enough, resulting in a window of opportunity for
the kernel to attempt to free it if the tcp connection resets
before userland can finish the accept.
This resulted in an assertion panic.
Reported-by: Peter Avalos
Summary of changes:
sys/kern/uipc_socket.c | 5 ++++-
sys/kern/uipc_syscalls.c | 17 ++++++++++++-----
sys/netgraph/ksocket/ng_ksocket.c | 7 ++++---
3 files changed, 20 insertions(+), 9 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/c19fdb0e337965597a1be65123c93c2b0fdf1d1b
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