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2006-11-01[TCP]: Set default congestion control when no sysctl.Stephen Hemminger
The setting of the default congestion control was buried in the sysctl code so it would not be done properly if SYSCTL was not enabled. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-11-01[TIPC] net/tipc/port.c: fix NULL dereferenceAdrian Bunk
The correct order is: NULL check before dereference Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-31[PATCH] ieee80211: don't flood log with errorsJiri Benc
The "ieee80211: Workaround malformed 802.11 frames from AP" patch (see http://kernel.org/git/?p=linux/kernel/git/linville/wireless-2.6.git;a=commit;h=f09fc44d8c25f22c4d985bb93857338ed02feac6 ) fixes the problem with some buggy APs but also converts debug message into an error one. This floods the log with errors when you are near such AP (you get a message for every beacon). This patch reverts the error message back to the debug one. Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-31[PATCH] skge, sky2, et all. gplv2 onlyStephen Hemminger
I don't want my code to downgraded to GPLv3 because of cut-n-pasted the comments. These files which I hold copyright on were started before it was clear what GPLv3 was going to be. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-10-31[IPV6]: fix flowlabel seqfile handlingJames Morris
There's a bug in the seqfile show operation for flowlabel objects, where each hash chain is traversed cumulatively for each element. The following function is called for each element of each chain: static void ip6fl_fl_seq_show(struct seq_file *seq, struct ip6_flowlabel *fl) { while(fl) { seq_printf... fl = fl->next; } } Thus, objects can appear mutliple times when reading /proc/net/ip6_flowlabel, as the above is called for each element in the chain. The solution is to remove the while() loop from the above, and traverse each chain exactly once, per the patch below. This also removes the ip6fl_fl_seq_show() function, which does nothing else. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[IPV6]: return EINVAL for invalid address with flowlabel lease requestJames Morris
Currently, when an application requests a lease for a flowlabel via the IPV6_FLOWLABEL_MGR socket option, no error is returned if an invalid type of destination address is supplied as part of the request, leading to a silent failure. This patch ensures that EINVAL is returned to the application in this case. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[SCTP]: Remove temporary associations from backlog and hash.Vlad Yasevich
Every time SCTP creates a temporary association, the stack hashes it, puts it on a list of endpoint associations and increments the backlog. However, the lifetime of a temporary association is the processing time of a current packet and it's destroyed after that. In fact, we don't really want anyone else finding this association. There is no reason to do this extra work. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[SCTP]: Correctly set IP id for SCTP trafficVlad Yasevich
Make SCTP 1-1 style and peeled-off associations behave like TCP when setting IP id. In both cases, we set the inet_sk(sk)->daddr and initialize inet_sk(sk)->id to a random value. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NetLabel]: protect the CIPSOv4 socket option from setsockopt()Paul Moore
This patch makes two changes to protect applications from either removing or tampering with the CIPSOv4 IP option on a socket. The first is the requirement that applications have the CAP_NET_RAW capability to set an IPOPT_CIPSO option on a socket; this prevents untrusted applications from setting their own CIPSOv4 security attributes on the packets they send. The second change is to SELinux and it prevents applications from setting any IPv4 options when there is an IPOPT_CIPSO option already present on the socket; this prevents applications from removing CIPSOv4 security attributes from the packets they send. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NETFILTER]: ip_tables: compat code module refcounting fixDmitry Mishin
This patch fixes bug in iptables modules refcounting on compat error way. As we are getting modules in check_compat_entry_size_and_hooks(), in case of later error, we should put them all in translate_compat_table(), not in the compat_copy_entry_from_user() or compat_copy_match_from_user(), as it is now. Signed-off-by: Dmitry Mishin <dim@openvz.org> Acked-by: Vasily Averin <vvs@openvz.org> Acked-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NETFILTER]: nf_conntrack: add missing unlock in get_next_corpse()Martin Josefsson
Add missing unlock in get_next_corpse() in nf_conntrack. It was missed during the removal of listhelp.h . Also remove an unneeded use of nf_ct_tuplehash_to_ctrack() in the same function. Should be applied before 2.6.19 is released. Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NETFILTER]: ip_tables: compat error way cleanupVasily Averin
This patch adds forgotten compat_flush_offset() call to error way of translate_compat_table(). May lead to table corruption on the next compat_do_replace(). Signed-off-by: Vasily Averin <vvs@openvz.org> Acked-by: Dmitry Mishin <dim@openvz.org> Acked-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NETFILTER]: Missed and reordered checks in {arp,ip,ip6}_tablesDmitry Mishin
There is a number of issues in parsing user-provided table in translate_table(). Malicious user with CAP_NET_ADMIN may crash system by passing special-crafted table to the *_tables. The first issue is that mark_source_chains() function is called before entry content checks. In case of standard target, mark_source_chains() function uses t->verdict field in order to determine new position. But the check, that this field leads no further, than the table end, is in check_entry(), which is called later, than mark_source_chains(). The second issue, that there is no check that target_offset points inside entry. If so, *_ITERATE_MATCH macro will follow further, than the entry ends. As a result, we'll have oops or memory disclosure. And the third issue, that there is no check that the target is completely inside entry. Results are the same, as in previous issue. Signed-off-by: Dmitry Mishin <dim@openvz.org> Acked-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NETFILTER]: remove masq/NAT from ip6tables Kconfig helpPatrick McHardy
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[IPV6]: fix lockup via /proc/net/ip6_flowlabelJames Morris
There's a bug in the seqfile handling for /proc/net/ip6_flowlabel, where, after finding a flowlabel, the code will loop forever not finding any further flowlabels, first traversing the rest of the hash bucket then just looping. This patch fixes the problem by breaking after the hash bucket has been traversed. Note that this bug can cause lockups and oopses, and is trivially invoked by an unpriveleged user. Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NET]: fix uaccess handlingHeiko Carstens
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[SCTP]: Always linearise packet on inputHerbert Xu
I was looking at a RHEL5 bug report involving Xen and SCTP (https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=212550). It turns out that SCTP wasn't written to handle skb fragments at all. The absence of any calls to skb_may_pull is testament to that. It just so happens that Xen creates fragmented packets more often than other scenarios (header & data split when going from domU to dom0). That's what caused this bug to show up. Until someone has the time sits down and audits the entire net/sctp directory, here is a conservative and safe solution that simply linearises all packets on input. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[DCCP]: fix printk format warningsRandy Dunlap
Fix printk format warnings: build2.out:net/dccp/ccids/ccid2.c:355: warning: long long unsigned int format, u64 arg (arg 3) build2.out:net/dccp/ccids/ccid2.c:360: warning: long long unsigned int format, u64 arg (arg 3) build2.out:net/dccp/ccids/ccid2.c:482: warning: long long unsigned int format, u64 arg (arg 5) build2.out:net/dccp/ccids/ccid2.c:639: warning: long long unsigned int format, u64 arg (arg 3) build2.out:net/dccp/ccids/ccid2.c:639: warning: long long unsigned int format, u64 arg (arg 4) build2.out:net/dccp/ccids/ccid2.c:674: warning: long long unsigned int format, u64 arg (arg 3) build2.out:net/dccp/ccids/ccid2.c:720: warning: long long unsigned int format, u64 arg (arg 3) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[NET]: Fix segmentation of linear packetsHerbert Xu
skb_segment fails to segment linear packets correctly because it tries to write all linear parts of the original skb into each segment. This will always panic as each segment only contains enough space for one MSS. This was not detected earlier because linear packets should be rare for GSO. In fact it still remains to be seen what exactly created the linear packets that triggered this bug. Basically the only time this should happen is if someone enables GSO emulation on an interface that does not support SG. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[XFRM] xfrm_user: Fix unaligned accesses.David S. Miller
Use memcpy() to move xfrm_address_t objects in and out of netlink messages. The vast majority of xfrm_user was doing this properly, except for copy_from_user_state() and copy_to_user_state(). Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[APPLETALK]: Fix potential OOPS in atalk_sendmsg().David S. Miller
atrtr_find() can return NULL, so do not blindly dereference rt->dev before we check for rt being NULL. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-30[PATCH] fix "sunrpc: fix refcounting problems in rpc servers"Andrew Morton
- printk should remain dprintk - fix coding-style. Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-30[PATCH] sunrpc: fix refcounting problems in rpc serversNeil Brown
A recent patch fixed a problem which would occur when the refcount on an auth_domain reached zero. This problem has not been reported in practice despite existing in two major kernel releases because the refcount can never reach zero. This patch fixes the problems that stop the refcount reaching zero. 1/ We were adding to the refcount when inserting in the hash table, but only removing from the hashtable when the refcount reached zero. Obviously it never would. So don't count the implied reference of being in the hash table. 2/ There are two paths on which a socket can be destroyed. One called svcauth_unix_info_release(). The other didn't. So when the other was taken, we can lose a reference to an ip_map which in-turn holds a reference to an auth_domain So unify the exit paths into svc_sock_put. This highlights the fact that svc_delete_socket has slightly odd semantics - it does not drop a reference but probably should. Fixing this need a bit more thought and testing. Signed-off-by: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-25[BRIDGE]: correct print message typoRandy Dunlap
Correct message typo/spello. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-25[TCP] H-TCP: fix integer overflowGavin McCullagh
When using H-TCP with a single flow on a 500Mbit connection (or less actually), alpha can exceed 65000, so alpha needs to be a u32. Signed-off-by: Gavin McCullagh <gavin.mccullagh@nuim.ie> Signed-off-by: Doug Leith <doug.leith@nuim.ie> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-25[TCP] cubic: scaling errorStephen Hemminger
Doug Leith observed a discrepancy between the version of CUBIC described in the papers and the version in 2.6.18. A math error related to scaling causes Cubic to grow too slowly. Patch is from "Sangtae Ha" <sha2@ncsu.edu>. I validated that it does fix the problems. See the following to show behavior over 500ms 100 Mbit link. Sender (2.6.19-rc3) --- Bridge (2.6.18-rt7) ------- Receiver (2.6.19-rc3) 1G [netem] 100M http://developer.osdl.org/shemminger/tcp/2.6.19-rc3/cubic-orig.png http://developer.osdl.org/shemminger/tcp/2.6.19-rc3/cubic-fix.png Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-25Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] users: Select ECB/CBC where needed
2006-10-25[CRYPTO] users: Select ECB/CBC where neededPatrick McHardy
CRYPTO_MANAGER is selected automatically by CONFIG_ECB and CONFIG_CBC. config CRYPTO_ECB tristate "ECB support" select CRYPTO_BLKCIPHER select CRYPTO_MANAGER I've added CONFIG_ECB to the ones you mentioned and CONFIG_CBC to gssapi. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-10-24[DCCP]: Update documentation references.Gerrit Renker
Updates the references to spec documents throughout the code, taking into account that * the DCCP, CCID 2, and CCID 3 drafts all became RFCs in March this year * RFC 1063 was obsoleted by RFC 1191 * draft-ietf-tcpimpl-pmtud-0x.txt was published as an Informational RFC, RFC 2923 on 2000-09-22. All references verified. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-24[NETFILTER]: Fix ip6_tables extension header bypass bugPatrick McHardy
As reported by Mark Dowd <Mark_Dowd@McAfee.com>, ip6_tables is susceptible to a fragmentation attack causing false negatives on extension header matches. When extension headers occur in the non-first fragment after the fragment header (possibly with an incorrect nexthdr value in the fragment header) a rule looking for this extension header will never match. Drop fragments that are at offset 0 and don't contain the final protocol header regardless of the ruleset, since this should not happen normally. Since all extension headers are before the protocol header this makes sure an extension header is either not present or in the first fragment, where we can properly parse it. With help from Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-24[NETFILTER]: Fix ip6_tables protocol bypass bugPatrick McHardy
As reported by Mark Dowd <Mark_Dowd@McAfee.com>, ip6_tables is susceptible to a fragmentation attack causing false negatives on protocol matches. When the protocol header doesn't follow the fragment header immediately, the fragment header contains the protocol number of the next extension header. When the extension header and the protocol header are sent in a second fragment a rule like "ip6tables .. -p udp -j DROP" will never match. Drop fragments that are at offset 0 and don't contain the final protocol header regardless of the ruleset, since this should not happen normally. With help from Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-24[XFRM]: Fix xfrm_state accountingPatrick McHardy
xfrm_state_num needs to be increased for XFRM_STATE_ACQ states created by xfrm_state_find() to prevent the counter from going negative when the state is destroyed. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-24[IPV4] ipconfig: fix RARP ic_servaddr breakageAl Viro
memcpy 4 bytes to address of auto unsigned long variable followed by comparison with u32 is a bloody bad idea. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-22[PKT_SCHED] netem: Orphan SKB when adding to queue.David S. Miller
The networking emulator can queue SKBs for a very long time, so if you're using netem on the sender side for large bandwidth/delay product testing, the SKB socket send queue sizes become artificially larger. Correct this by calling skb_orphan() in netem_enqueue(). Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-21[IPv6] fib: initialize tb6_lock in common place to give lockdep a keyThomas Graf
Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-21[ATM]: handle sysfs errorsJeff Garzik
Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-21[DCCP] ipv6: Fix opt_skb leak.David S. Miller
Based upon a patch from Jesper Juhl. Try to match the TCP IPv6 code this was copied from as much as possible, so that it's easy to see where to add the ipv6 pktoptions support code. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-21[DCCP]: Fix Oops in DCCPv6Gerrit Renker
I think I got the cause for the Oops observed in http://www.mail-archive.com/dccp@vger.kernel.org/msg00578.html The problem is always with applications listening on PF_INET6 sockets. Apart from the mentioned oops, I observed another one one, triggered at irregular intervals via timer interrupt: run_timer_softirq -> dccp_keepalive_timer -> inet_csk_reqsk_queue_prune -> reqsk_free -> dccp_v6_reqsk_destructor The latter function is the problem and is also the last function to be called in said kernel panic. In any case, there is a real problem with allocating the right request_sock which is what this patch tackles. It fixes the following problem: - application listens on PF_INET6 - DCCPv4 packet comes in, is handed over to dccp_v4_do_rcv, from there to dccp_v4_conn_request Now: socket is PF_INET6, packet is IPv4. The following code then furnishes the connection with IPv6 - request_sock operations: req = reqsk_alloc(sk->sk_prot->rsk_prot); The first problem is that all further incoming packets will get a Reset since the connection can not be looked up. The second problem is worse: --> reqsk_alloc is called instead of inet6_reqsk_alloc --> consequently inet6_rsk_offset is never set (dangling pointer) --> the request_sock_ops are nevertheless still dccp6_request_ops --> destructor is called via reqsk_free --> dccp_v6_reqsk_destructor tries to free random memory location (inet6_rsk_offset not set) --> panic I have tested this for a while, DCCP sockets are now handled correctly in all three scenarios (v4/v6 only/v4-mapped). Commiter note: I've added the dccp_request_sock_ops forward declaration to keep the tree building and to reduce the size of the patch for 2.6.19, later I'll move the functions to the top of the affected source code to match what we have in the TCP counterpart, where this problem hasn't existed in the first place, dumb me not to have done the same thing on DCCP land 8) Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2006-10-21Merge branch 'upstream-fixes' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
2006-10-21Merge branch 'we21-fix' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into tmp
2006-10-20Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (36 commits) [Bluetooth] Fix HID disconnect NULL pointer dereference [Bluetooth] Add missing entry for Nokia DTL-4 PCMCIA card [Bluetooth] Add support for newer ANYCOM USB dongles [NET]: Can use __get_cpu_var() instead of per_cpu() in loopback driver. [IPV4] inet_peer: Group together avl_left, avl_right, v4daddr to speedup lookups on some CPUS [TCP]: One NET_INC_STATS() could be NET_INC_STATS_BH in tcp_v4_err() [NETFILTER]: Missing check for CAP_NET_ADMIN in iptables compat layer [NETPOLL]: initialize skb for UDP [IPV6]: Fix route.c warnings when multiple tables are disabled. [TG3]: Bump driver version and release date. [TG3]: Add lower bound checks for tx ring size. [TG3]: Fix set ring params tx ring size implementation [NET]: reduce per cpu ram used for loopback stats [IPv6] route: Fix prohibit and blackhole routing decision [DECNET]: Fix input routing bug [TCP]: Bound TSO defer time [IPv4] fib: Remove unused fib_config members [IPV6]: Always copy rt->u.dst.error when copying a rt6_info. [IPV6]: Make IPV6_SUBTREES depend on IPV6_MULTIPLE_TABLES. [IPV6]: Clean up BACKTRACK(). ...
2006-10-20[PATCH] knfsd: fix race that can disable NFS serverNeilBrown
This patch is suitable for just about any 2.6 kernel. It should go in 2.6.19 and 2.6.18.2 and possible even the .17 and .16 stable series. This is a long standing bug that seems to have only recently become apparent, presumably due to increasing use of NFS over TCP - many distros seem to be making it the default. The SK_CONN bit gets set when a listening socket may be ready for an accept, just as SK_DATA is set when data may be available. It is entirely possible for svc_tcp_accept to be called with neither of these set. It doesn't happen often but there is a small race in svc_sock_enqueue as SK_CONN and SK_DATA are tested outside the spin_lock. They could be cleared immediately after the test and before the lock is gained. This normally shouldn't be a problem. The sockets are non-blocking so trying to read() or accept() when ther is nothing to do is not a problem. However: svc_tcp_recvfrom makes the decision "Should I accept() or should I read()" based on whether SK_CONN is set or not. This usually works but is not safe. The decision should be based on whether it is a TCP_LISTEN socket or a TCP_CONNECTED socket. Signed-off-by: Neil Brown <neilb@suse.de> Cc: Adrian Bunk <bunk@stusta.de> Cc: <stable@kernel.org> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-20[PATCH] SUNRPC: fix a typoChuck Lever
Yes, this actually passed tests the way it was. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-20[PATCH] SUNRPC: fix race in in-kernel RPC portmapper clientChuck Lever
When submitting a request to a fast portmapper (such as the local rpcbind daemon), the request can complete before the parent task is even queued up on xprt->binding. Fix this by queuing before submitting the rpcbind request. Test plan: Connectathon locking test with UDP. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-20[Bluetooth] Fix HID disconnect NULL pointer dereferenceMarcel Holtmann
The latest HID disconnect sequence change introduced a NULL pointer dereference. For the quirk to handle buggy remote HID implementations, it is enough to wait for a potential control channel disconnect from the remote side and it is also enough to wait only 500 msecs. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2006-10-20[TCP]: One NET_INC_STATS() could be NET_INC_STATS_BH in tcp_v4_err()Eric Dumazet
I believe this NET_INC_STATS() call can be replaced by NET_INC_STATS_BH(), a little bit cheaper. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-20[NETFILTER]: Missing check for CAP_NET_ADMIN in iptables compat layerBjörn Steinbrink
The 32bit compatibility layer has no CAP_NET_ADMIN check in compat_do_ipt_get_ctl, which for example allows to list the current iptables rules even without having that capability (the non-compat version requires it). Other capabilities might be required to exploit the bug (eg. CAP_NET_RAW to get the nfnetlink socket?), so a plain user can't exploit it, but a setup actually using the posix capability system might very well hit such a constellation of granted capabilities. Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-19[NETPOLL]: initialize skb for UDPStephen Hemminger
Need to fully initialize skb to keep lower layers and queueing happy. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-19[PATCH] wireless: WE-20 compatibility for ESSID and NICKN ioctlsJohn W. Linville
WE-21 changed the ABI for the SIOC[SG]IW{ESSID,NICKN} ioctls by dropping NULL termination. This patch adds compatibility code so that WE-21 can work properly with WE-20 (and older) tools. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-10-18[IPV6]: Fix route.c warnings when multiple tables are disabled.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>