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linux-stable/net/sunrpc
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J. Bruce Fields 43bceddcd7 svcrpc: fix UDP on servers with lots of threads 
commit b7e5034cbe upstream.

James Pearson found that an NFS server stopped responding to UDP
requests if started with more than 1017 threads.

sv_max_mesg is about 2^20, so that is probably where the calculation
performed by

	svc_sock_setbufsize(svsk->sk_sock,
                            (serv->sv_nrthreads+3) * serv->sv_max_mesg,
                            (serv->sv_nrthreads+3) * serv->sv_max_mesg);

starts to overflow an int.

Reported-by: James Pearson <jcpearson@gmail.com>
Tested-by: James Pearson <jcpearson@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-23 20:10:10 +01:00
..
auth_gss sunrpc: fix 4 more call sites that were using stack memory with a scatterlist 2019-02-23 09:07:27 +01:00
xprtrdma xprtrdma: Make sure Send CQ is allocated on an existing compvec 2019-03-23 20:09:45 +01:00
addr.c
auth.c sunrpc: kstrtoul() can also return -ERANGE 2018-07-31 12:53:40 -04:00
auth_generic.c SUNRPC: Fix a bogus get/put in generic_key_to_expire() 2018-12-01 09:37:33 +01:00
auth_null.c net/sunrpc: Make rpc_auth_create_args a const 2018-07-30 13:19:41 -04:00
auth_unix.c net/sunrpc: Make rpc_auth_create_args a const 2018-07-30 13:19:41 -04:00
backchannel_rqst.c sunrpc: whitespace fixes 2018-07-31 12:53:40 -04:00
cache.c sunrpc: fix cache_head leak due to queued request 2019-01-13 09:51:05 +01:00
clnt.c SUNRPC: Always drop the XPRT_LOCK on XPRT_CLOSE_WAIT 2019-02-15 08:10:13 +01:00
debugfs.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
Kconfig IB: Revert "remove redundant INFINIBAND kconfig dependencies" 2018-05-28 10:40:16 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netns.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rpc_pipe.c Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-06-04 10:14:28 -07:00
rpcb_clnt.c sunrpc: handle ENOMEM in rpcb_getport_async 2019-01-22 21:40:35 +01:00
sched.c sunrpc: Simplify synopsis of some trace points 2018-04-10 16:06:22 -04:00
socklib.c sunrpc: do not pull udp headers on receive 2016-04-11 15:31:33 -04:00
stats.c sunrpc: whitespace fixes 2018-07-31 12:53:40 -04:00
sunrpc.h sunrpc: whitespace fixes 2018-07-31 12:53:40 -04:00
sunrpc_syms.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
svc.c sunrpc: use-after-free in svc_process_common() 2019-01-16 22:04:37 +01:00
svc_xprt.c sunrpc: use-after-free in svc_process_common() 2019-01-16 22:04:37 +01:00
svcauth.c locking/atomic, kref: Implement kref_put_lock() 2017-01-18 10:03:29 +01:00
svcauth_unix.c kernel: make groups_sort calling a responsibility group_info allocators 2017-12-14 16:00:49 -08:00
svcsock.c svcrpc: fix UDP on servers with lots of threads 2019-03-23 20:10:10 +01:00
sysctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
timer.c
xdr.c SUNRPC: drop pointless static qualifier in xdr_get_next_encode_buffer() 2018-11-27 16:13:08 +01:00
xprt.c SUNRPC: Fix a potential race in xprt_connect() 2018-12-21 14:15:17 +01:00
xprtmultipath.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xprtsock.c SUNRPC: Fix a race with XPRT_CONNECTING 2019-01-13 09:51:01 +01:00