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During some valgrind test, the following is observed
==11391== 64 bytes in 4 blocks are definitely lost in loss record 11 of 16
==11391== at 0x4C2A2AF: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==11391== by 0x50ECED9: strdup (in /lib64/libc-2.22.so)
==11391== by 0x4E4AFBF: getclnthandle (in /lib64/libtirpc.so.3.0.0)
==11391== by 0x4E4BD8A: __rpcb_findaddr_timed (in /lib64/libtirpc.so.3.0.0)
==11391== by 0x4E443AF: clnt_tp_create_timed (in /lib64/libtirpc.so.3.0.0)
==11391== by 0x4E44580: clnt_create_timed (in /lib64/libtirpc.so.3.0.0)
==11391== by 0x400755: main (in /local/02/xdtadti/tirpc-test/client)
Signed-off-by: Steve Dickson <steved@redhat.com>
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8652975 probably unintentionally replaced content of INSTALL with
symlink to /usr/share/automake-1.16/INSTALL. As it's not guaranteed it's
on each system, put the file back (version from automake 1.16,
previously older version was used).
Fixes: 8652975 ("Fix DoS vulnerability in libtirpc")
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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Currently svc_run does not handle poll timeout and rendezvous_request
does not handle EMFILE error returned from accept(2 as it used to.
These two missing functionality were removed by commit b2c9430f46c4.
The effect of not handling poll timeout allows idle TCP conections
to remain ESTABLISHED indefinitely. When the number of connections
reaches the limit of the open file descriptors (ulimit -n) then
accept(2) fails with EMFILE. Since there is no handling of EMFILE
error this causes svc_run() to get in a tight loop calling accept(2).
This resulting in the RPC service of svc_run is being down, it's
no longer able to service any requests.
RPC service rpcbind, statd and mountd are effected by this
problem.
Fix by enhancing rendezvous_request to keep the number of
SVCXPRT conections to 4/5 of the size of the file descriptor
table. When this thresold is reached, it destroys the idle
TCP connections or destroys the least active connection if
no idle connnction was found.
Fixes: 44bf15b8 rpcbind: don't use obsolete svc_fdset interface of libtirpc
Signed-off-by: dai.ngo@oracle.com
Signed-off-by: Steve Dickson <steved@redhat.com>
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The INSTALL symlink is broken when automake version does not match.
We fix this by using a copy of the file instead of a symlink.
Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
Signed-off-by: Steve Dickson <steved@redhat.com>
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This moves some code for creation of PMAP handles out of the getaddr
code and into a function of its own.
Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Signed-off-by: Susant Sahani <ssahani@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Commit fac3eb51 converted some operations to use memcpy, but the size
of copied areas is now u_long, previously it was u_int32_t.
This broke mount on ppc64/s390x:
# ./mount.nfs -vvv -onfsvers=3,tcp rhel6-nfs:/export/home /mnt/test
mount.nfs: timeout set for Fri May 3 15:20:14 2013
mount.nfs: trying text-based options 'nfsvers=3,tcp,addr=10.1.1.5'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: portmap query failed: RPC: Program/version mismatch
mount.nfs: Protocol not supported
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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