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c034203b6a
linux/net/sunrpc
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Dan Carpenter c034203b6a nfsd: fix double fget() bug in __write_ports_addfd() 
The bug here is that you cannot rely on getting the same socket
from multiple calls to fget() because userspace can influence
that.  This is a kind of double fetch bug.

The fix is to delete the svc_alien_sock() function and instead do
the checking inside the svc_addsock() function.

Fixes: 3064639423 ("nfsd: check passed socket's net matches NFSd superblock's one")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: NeilBrown <neilb@suse.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
2023-05-31 09:57:14 -04:00
..
auth_gss SUNRPC: Avoid relying on crypto API to derive CBC-CTS output IV 2023-05-02 11:35:04 -04:00
xprtrdma SUNRPC: always free ctxt when freeing deferred request 2023-05-14 15:55:02 -04:00
.kunitconfig SUNRPC: Add KDF-HMAC-SHA2 Kunit tests 2023-02-20 09:20:51 -05:00
addr.c nfsd: don't alloc under spinlock in rpc_parse_scope_id 2021-09-21 17:51:47 -04:00
auth_null.c
auth_unix.c SUNRPC: Fix unx_lookup_cred() allocation 2022-03-22 15:52:55 -04:00
auth.c NFS client updates for Linux 5.20 2022-08-10 14:04:32 -07:00
backchannel_rqst.c NFS client updates for Linux 5.20 2022-08-10 14:04:32 -07:00
cache.c treewide: use get_random_u32_below() instead of deprecated function 2022-11-18 02:15:15 +01:00
clnt.c NFS: fix disabling of swap 2023-02-15 10:33:00 -05:00
debugfs.c SUNRPC: Cache deferral injection 2022-05-19 12:25:38 -04:00
fail.h SUNRPC: Cache deferral injection 2022-05-19 12:25:38 -04:00
Kconfig SUNRPC: Add KUnit tests for rpcsec_krb5.ko 2023-02-20 09:20:46 -05:00
Makefile sunrpc: Create a sunrpc directory under /sys/kernel/ 2021-07-08 14:03:23 -04:00
netns.h SUNRPC: Fix occasional warning when destroying gss_krb5_enctypes 2023-02-20 09:20:57 -05:00
rpc_pipe.c fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
rpcb_clnt.c SUNRPC: Make the rpciod and xprtiod slab allocation modes consistent 2022-03-22 15:52:55 -04:00
sched.c NFS Client Updates for Linux 6.1 2022-10-13 09:58:42 -07:00
socklib.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
socklib.h
stats.c SUNRPC: Use per-CPU counters to tally server RPC counts 2023-02-20 09:20:32 -05:00
sunrpc_syms.c sunrpc: add IDs to multipath 2021-07-08 14:03:23 -04:00
sunrpc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE 2022-06-10 14:51:35 +02:00
svc_xprt.c SUNRPC: always free ctxt when freeing deferred request 2023-05-14 15:55:02 -04:00
svc.c SUNRPC: Fix trace_svc_register() call site 2023-05-14 15:58:14 -04:00
svcauth_unix.c SUNRPC: Support TLS handshake in the server-side TCP socket code 2023-04-27 18:49:24 -04:00
svcauth.c SUNRPC: Hoist init_decode out of svc_authenticate() 2023-02-20 09:20:19 -05:00
svcsock.c nfsd: fix double fget() bug in __write_ports_addfd() 2023-05-31 09:57:14 -04:00
sysctl.c net/sunrpc: fix useless comparison in proc_do_xprt() 2020-11-08 16:28:25 -05:00
sysfs.c SUNRPC: make kobj_type structures constant 2023-02-14 16:21:52 -05:00
sysfs.h SUNRPC: take a xprt offline using sysfs 2021-07-08 14:03:24 -04:00
timer.c
xdr.c NFSD 6.3 Release Notes 2023-02-22 14:21:40 -08:00
xprt.c timers: Get rid of del_singleshot_timer_sync() 2022-11-24 15:09:10 +01:00
xprtmultipath.c SUNRPC: Directly use ida_alloc()/free() 2022-10-03 11:26:36 -04:00
xprtsock.c SUNRPC: fix shutdown of NFS TCP client socket 2023-03-23 15:50:16 -04:00