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linux-stable/net/sunrpc
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NeilBrown 0c217d5066 SUNRPC: improve error response to over-size gss credential 
When the NFS server receives a large gss (kerberos) credential and tries
to pass it up to rpc.svcgssd (which is deprecated), it triggers an
infinite loop in cache_read().

cache_request() always returns -EAGAIN, and this causes a "goto again".

This patch:
 - changes the error to -E2BIG to avoid the infinite loop, and
 - generates a WARN_ONCE when rsi_request first sees an over-sized
   credential.  The warning suggests switching to gssproxy.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=196583
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2021-09-03 13:38:11 -04:00
..
auth_gss SUNRPC: improve error response to over-size gss credential 2021-09-03 13:38:11 -04:00
xprtrdma svcrdma: xpt_bc_xprt is already clear in __svc_rdma_free() 2021-08-19 08:29:32 -04:00
addr.c net: sunrpc: interpret the return value of kstrtou32 correctly 2021-01-10 13:32:51 -05:00
auth.c sunrpc: add missing newline when printing parameter 'auth_hashtable_size' by sysfs 2020-06-11 13:33:48 -04:00
auth_null.c
auth_unix.c
backchannel_rqst.c The one new feature this time, from Anna Schumaker, is READ_PLUS, which 2020-10-22 09:44:27 -07:00
cache.c SUNRPC: improve error response to over-size gss credential 2021-09-03 13:38:11 -04:00
clnt.c sunrpc: remove an offlined xprt using sysfs 2021-07-08 14:03:24 -04:00
debugfs.c SUNRPC: Server-side disconnect injection 2021-08-20 13:50:33 -04:00
fail.h SUNRPC: Server-side disconnect injection 2021-08-20 13:50:33 -04:00
Kconfig SUNRPC: remove RC4-HMAC-MD5 support from KerberosV 2020-09-11 14:39:15 +10:00
Makefile sunrpc: Create a sunrpc directory under /sys/kernel/ 2021-07-08 14:03:23 -04:00
netns.h
rpc_pipe.c SUNRPC: Fix fall-through warnings for Clang 2021-02-01 13:32:32 -05:00
rpcb_clnt.c sunrpc: honor rpc_task's timeout value in rpcb_create() 2021-04-05 09:04:21 -04:00
sched.c SUNRPC: Should wake up the privileged task firstly. 2021-06-28 09:34:39 -04:00
socklib.c skb_copy_and_csum_bits(): don't bother with the last argument 2020-08-20 15:45:13 -04:00
socklib.h SUNRPC: Refactor xs_sendpages() 2020-03-16 12:04:33 -04:00
stats.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
sunrpc.h Replace HTTP links with HTTPS ones: NFS, SUNRPC, and LOCKD clients 2020-09-21 10:21:10 -04:00
sunrpc_syms.c sunrpc: add IDs to multipath 2021-07-08 14:03:23 -04:00
svc.c SUNRPC: Server-side disconnect injection 2021-08-20 13:50:33 -04:00
svc_xprt.c SUNRPC: don't pause on incomplete allocation 2021-09-01 11:05:07 -04:00
svcauth.c sunrpc: check that domain table is empty at module unload. 2020-05-28 18:15:00 -04:00
svcauth_unix.c sunrpc: Remove unused function ip_map_lookup 2021-04-06 11:24:31 -04:00
svcsock.c SUNRPC: fix ternary sign expansion bug in tracing 2021-04-22 11:02:28 -04:00
sysctl.c net/sunrpc: fix useless comparison in proc_do_xprt() 2020-11-08 16:28:25 -05:00
sysfs.c sunrpc: remove an offlined xprt using sysfs 2021-07-08 14:03:24 -04:00
sysfs.h SUNRPC: take a xprt offline using sysfs 2021-07-08 14:03:24 -04:00
timer.c
xdr.c sunrpc: Avoid a KASAN slab-out-of-bounds bug in xdr_set_page_base() 2021-06-13 19:36:49 -04:00
xprt.c SUNRPC: Move client-side disconnect injection 2021-08-20 13:50:32 -04:00
xprtmultipath.c NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
xprtsock.c Merge part 2 of branch 'sysfs-devel' 2021-07-08 14:03:26 -04:00