AuxXxilium/linux_dsm_epyc7002
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dc6f55e9f8
linux_dsm_epyc7002/net
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NeilBrown dc6f55e9f8 NFS/sunrpc: don't use a credential with extra groups. 
The sunrpc layer keeps a cache of recently used credentials and
'unx_match' is used to find the credential which matches the current
process.

However unx_match allows a match when the cached credential has extra
groups at the end of uc_gids list which are not in the process group list.

So if a process with a list of (say) 4 group accesses a file and gains
access because of the last group in the list, then another process
with the same uid and gid, and a gid list being the first tree of the
gids of the original process tries to access the file, it will be
granted access even though it shouldn't as the wrong rpc credential
will be used.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
2011-10-25 11:20:58 +02:00
..
9p net/9p: Fix kernel crash with msize 512K 2011-09-06 08:17:15 -05:00
802 snap: remove one synchronize_net() 2011-05-23 16:29:24 -04:00
8021q vlan: reset headers on accel emulation path 2011-08-18 21:29:27 -07:00
appletalk appletalk: Reduce switch/case indent 2011-07-01 16:11:15 -07:00
atm atm: br2684: Fix oops due to skb->dev being NULL 2011-08-20 14:13:05 -07:00
ax25 ax25: Fix set-but-unused variable. 2011-04-17 00:48:31 -07:00
batman-adv batman-adv: do_bcast has to be true for broadcast packets only 2011-09-22 20:27:10 +02:00
bluetooth Bluetooth: Fix timeout on scanning for the second time 2011-09-15 11:54:05 -03:00
bridge bridge: leave carrier on for empty bridge 2011-10-06 15:26:50 -04:00
caif caif: fix a potential NULL dereference 2011-09-16 17:40:34 -04:00
can can bcm: fix incomplete tx_setup fix 2011-09-29 15:33:47 -04:00
ceph Merge branch 'for-linus' of git://github.com/NewDreamNetwork/ceph-client 2011-09-29 19:58:58 -07:00
core fib:fix BUG_ON in fib_nl_newrule when add new fib rule 2011-09-21 15:16:40 -04:00
dcb dcbnl: unlock on an error path in dcbnl_cee_fill() 2011-07-08 09:01:14 -07:00
dccp net: Compute protocol sequence numbers and fragment IDs using MD5. 2011-08-06 18:33:19 -07:00
decnet atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
dns_resolver KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
dsa DSA: Enable cascading in multi-chip 6131 configuration 2011-06-29 05:53:49 -07:00
econet af_econet: Use current logging styles and neatening 2011-07-03 20:05:16 -07:00
ethernet net: don't clear IFF_XMIT_DST_RELEASE in ether_setup 2011-09-15 14:49:44 -04:00
ieee802154 ieee802154: free skb buffer if dev isn't running 2011-06-30 16:18:09 +04:00
ipv4 tcp: properly update lost_cnt_hint during shifting 2011-10-04 23:31:24 -04:00
ipv6 gro: refetch inet6_protos[] after pulling ext headers 2011-10-10 14:26:16 -04:00
ipx ipx: fix ipx_release() 2011-03-21 18:16:39 -07:00
irda IRDA: Fix global type conflicts in net/irda/irsysctl.c v2 2011-09-16 19:17:09 -04:00
iucv atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
key net: Remove casts of void * 2011-06-16 23:19:27 -04:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-07-28 05:58:19 -07:00
lapb lapb: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
llc llc: Fix length check in llc_fixup_skb(). 2011-04-11 18:59:05 -07:00
mac80211 mac80211: fix missing sta_lock in __sta_info_destroy 2011-09-13 14:18:38 -04:00
netfilter netfilter: Use proper rwlock init function 2011-10-05 17:51:38 -04:00
netlabel net/netlabel/netlabel_kapi.c: add missing cleanup code 2011-08-11 05:52:57 -07:00
netlink Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-06-24 15:25:51 -04:00
netrom netrom: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
nfc NFC: add the NFC socket raw protocol 2011-07-05 15:26:58 -04:00
packet make PACKET_STATISTICS getsockopt report consistently between ring and non-ring 2011-10-03 14:18:26 -04:00
phonet rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
rds RDSRDMA: Fix cleanup of rds_iw_mr_pool 2011-09-29 14:57:19 -04:00
rfkill net: rfkill: add generic gpio rfkill driver 2011-05-19 13:53:54 -04:00
rose rose: Delete commented out references to ancient firewalling code. 2011-07-07 02:41:59 -07:00
rxrpc rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport() 2011-05-19 18:51:50 -04:00
sched pkt_sched: cls_rsvp.h was outdated 2011-09-15 14:49:43 -04:00
sctp sctp: deal with multiple COOKIE_ECHO chunks 2011-09-16 17:17:22 -04:00
sunrpc NFS/sunrpc: don't use a credential with extra groups. 2011-10-25 11:20:58 +02:00
tipc atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
unix new helpers: kern_path_create/user_path_create 2011-07-20 01:44:05 -04:00
wanrouter Fix common misspellings 2011-03-31 11:26:23 -03:00
wimax
wireless cfg80211: Fix validation of AKM suites 2011-09-21 15:58:24 -04:00
x25 x25: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
xfrm net: check return value for dst_alloc 2011-09-27 15:32:06 -04:00
compat.c net: Add sendmmsg socket system call 2011-05-05 11:10:14 -07:00
Kconfig NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
Makefile NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
nonet.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
socket.c sendmmsg/sendmsg: fix unsafe user pointer access 2011-08-24 19:45:03 -07:00
sysctl_net.c