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Daniel Borkmann ffd5939381 net: sctp: fix sctp_connectx abi for ia32 emulation/compat mode ... SCTP's sctp_connectx() abi breaks for 64bit kernels compiled with 32bit emulation (e.g. ia32 emulation or x86_x32). Due to internal usage of 'struct sctp_getaddrs_old' which includes a struct sockaddr pointer, sizeof(param) check will always fail in kernel as the structure in 64bit kernel space is 4bytes larger than for user binaries compiled in 32bit mode. Thus, applications making use of sctp_connectx() won't be able to run under such circumstances. Introduce a compat interface in the kernel to deal with such situations by using a 'struct compat_sctp_getaddrs_old' structure where user data is copied into it, and then sucessively transformed into a 'struct sctp_getaddrs_old' structure with the help of compat_ptr(). That fixes sctp_connectx() abi without any changes needed in user space, and lets the SCTP test suite pass when compiled in 32bit and run on 64bit kernels. Fixes: f9c67811eb ("sctp: Fix regression introduced by new sctp_connectx api") Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		11 years ago
..
Kconfig	net: sctp: get rid of SCTP_DBG_TSNS entirely	12 years ago
Makefile	…
associola.c	net: sctp: Fix a_rwnd/rwnd management to reflect real state of the receiver's buffer	11 years ago
auth.c	sctp: fix checkpatch errors with open brace '{' and trailing statements	11 years ago
bind_addr.c	sctp: Fix FSF address in file headers	11 years ago
chunk.c	sctp: fix checkpatch errors with space required or prohibited	11 years ago
command.c	sctp: Fix FSF address in file headers	11 years ago
debug.c	sctp: Fix FSF address in file headers	11 years ago
endpointola.c	sctp: remove macros sctp_local_bh_{disable|enable}	11 years ago
input.c	sctp: remove macros sctp_bh_[un]lock_sock	11 years ago
inqueue.c	sctp: Fix FSF address in file headers	11 years ago
ipv6.c	net: sctp: fix initialization of local source address on accepted ipv6 sockets	11 years ago
objcnt.c	sctp: fix checkpatch errors with (foo*)|foo * bar|foo* bar	11 years ago
output.c	sctp: move skb_dst_set() a bit downwards in sctp_packet_transmit()	11 years ago
outqueue.c	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	11 years ago
primitive.c	sctp: Fix FSF address in file headers	11 years ago
probe.c	sctp: loading sctp when load sctp_probe	11 years ago
proc.c	sctp: remove macros sctp_local_bh_{disable|enable}	11 years ago
protocol.c	sctp: remove macros sctp_bh_[un]lock_sock	11 years ago
sm_make_chunk.c	sctp: make sctp_addto_chunk_fixed local	11 years ago
sm_sideeffect.c	sctp: remove macros sctp_bh_[un]lock_sock	11 years ago
sm_statefuns.c	net: sctp: Fix a_rwnd/rwnd management to reflect real state of the receiver's buffer	11 years ago
sm_statetable.c	sctp: fix checkpatch errors with indent	11 years ago
socket.c	net: sctp: fix sctp_connectx abi for ia32 emulation/compat mode	11 years ago
ssnmap.c	sctp: Fix FSF address in file headers	11 years ago
sysctl.c	sctp: optimize the sctp_sysctl_net_register	11 years ago
transport.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	11 years ago
tsnmap.c	sctp: Fix FSF address in file headers	11 years ago
ulpevent.c	net: sctp: Fix a_rwnd/rwnd management to reflect real state of the receiver's buffer	11 years ago
ulpqueue.c	sctp: fix checkpatch errors with open brace '{' and trailing statements	11 years ago