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2007-11-16mac80211: make ieee802_11_parse_elems return voidJohn W. Linville
patch 67a4cce4a89718d252b61aaf58882c69c0e2f6e3 in mainline. Some APs send management frames with junk padding after the last IE. We already account for a similar problem with some Apple Airport devices, but at least one device is known to send more than a single extra byte. The device in question is the Draytek Vigor2900: http://www.draytek.com.au/products/Vigor2900.php The junk in question looks like an IE that runs off the end of the frame. This cause us to return ParseFailed. Since the frame in question is an association response, this causes us to fail to associate with this AP. The return code from ieee802_11_parse_elems is superfluous. All callers still check for the presence of the specific IEs that interest them anyway. So, remove the return code so the parse never "fails". Acked-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: only honor IW_SCAN_THIS_ESSID in STA, IBSS, and AP modesJohn W. Linville
patch d114f399b4da6fa7f9da3bbf1fb841370c11e788 in mainline. The previous IW_SCAN_THIS_ESSID patch left a hole allowing scan requests on interfaces in inappropriate modes. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: honor IW_SCAN_THIS_ESSID in siwscan ioctlBill Moss
patch 107acb23ba763197d390ae9ffd347f3e2a524d39 in mainline. This patch fixes the problem of associating with wpa_secured hidden AP. Please try out. The original author of this patch is Bill Moss <bmoss@clemson.edu> Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: store SSID in sta_bss_listJohn W. Linville
patch cffdd30d20d163343b1c6de25bcb0cc978a1ebf9 in mainline. Some AP equipment "in the wild" services multiple SSIDs using the same BSSID. This patch changes the key of sta_bss_list to include the SSID as well as the BSSID and the channel so as to prevent one SSID from eclipsing another SSID with the same BSSID. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: store channel info in sta_bss_listJohn W. Linville
patch 65c107ab3befc37b21d1c970a6159525bc0121b8 in mainline. Some AP equipment "in the wild" uses the same BSSID on multiple channels (particularly "a" vs. "b/g"). This patch changes the key of sta_bss_list to include both the BSSID and the channel so as to prevent a BSSID on one channel from eclipsing the same BSSID on another channel. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: reorder association debug outputJohannes Berg
patch 1dd84aa213d0f98a91a1ec9be2f750f5f48e75a0 in mainline. There's no reason to warn about an invalid AID field when the association was denied. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16ieee80211: fix TKIP QoS bugJohannes Berg
patch e797aa1b7da6bfcb2e19a10ae5ead9aa7aea732b in mainline. The commit 65b6a277 titled "ieee80211: Fix header->qos_ctl endian issue" *introduced* an endianness bug. Partially revert it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16NETFILTER: nf_conntrack_tcp: fix connection reopeningJozsef Kadlecsik
Upstream commits: 17311393 + bc34b841 merged together. Merge done by Patrick McHardy <kaber@trash.net> [NETFILTER]: nf_conntrack_tcp: fix connection reopening With your description I could reproduce the bug and actually you were completely right: the code above is incorrect. Somehow I was able to misread RFC1122 and mixed the roles :-(: When a connection is >>closed actively<<, it MUST linger in TIME-WAIT state for a time 2xMSL (Maximum Segment Lifetime). However, it MAY >>accept<< a new SYN from the remote TCP to reopen the connection directly from TIME-WAIT state, if it: [...] The fix is as follows: if the receiver initiated an active close, then the sender may reopen the connection - otherwise try to figure out if we hold a dead connection. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Tested-by: Krzysztof Piotr Oledzki <ole@ans.pl> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix netlink timeouts.Patrick McHardy
[NETLINK]: Fix unicast timeouts [ Upstream commit: c3d8d1e30cace31fed6186a4b8c6b1401836d89c ] Commit ed6dcf4a in the history.git tree broke netlink_unicast timeouts by moving the schedule_timeout() call to a new function that doesn't propagate the remaining timeout back to the caller. This means on each retry we start with the full timeout again. ipc/mqueue.c seems to actually want to wait indefinitely so this behaviour is retained. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix crypto_alloc_comp() error checking.Herbert Xu
[IPSEC]: Fix crypto_alloc_comp error checking [ Upstream commit: 4999f3621f4da622e77931b3d33ada6c7083c705 ] The function crypto_alloc_comp returns an errno instead of NULL to indicate error. So it needs to be tested with IS_ERR. This is based on a patch by Vicenç Beltran Querol. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix SET_VLAN_INGRESS_PRIORITY_CMD error return.Patrick McHardy
patch fffe470a803e7f7b74c016291e542a0162761209 in mainline. [VLAN]: Fix SET_VLAN_INGRESS_PRIORITY_CMD ioctl Based on report and patch by Doug Kehn <rdkehn@yahoo.com>: vconfig returns the following error when attempting to execute the set_ingress_map command: vconfig: socket or ioctl error for set_ingress_map: Operation not permitted In vlan.c, vlan_ioctl_handler for SET_VLAN_INGRESS_PRIORITY_CMD sets err = -EPERM and calls vlan_dev_set_ingress_priority. vlan_dev_set_ingress_priority is a void function so err remains at -EPERM and results in the vconfig error (even though the ingress map was set). Fix by setting err = 0 after the vlan_dev_set_ingress_priority call. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix VLAN address syncing.Patrick McHardy
patch d932e04a5e7b146c5f9bf517714b986a432a7594 in mainline. [PATCH] [VLAN]: Don't synchronize addresses while the vlan device is down While the VLAN device is down, the unicast addresses are not configured on the underlying device, so we shouldn't attempt to sync them. Noticed by Dmitry Butskoy <buc@odusz.so-cdu.ru> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix endianness bug in U32 classifier.Radu Rendec
changeset 543821c6f5dea5221426eaf1eac98b100249c7ac in mainline. [PKT_SCHED] CLS_U32: Fix endianness problem with u32 classifier hash masks. While trying to implement u32 hashes in my shaping machine I ran into a possible bug in the u32 hash/bucket computing algorithm (net/sched/cls_u32.c). The problem occurs only with hash masks that extend over the octet boundary, on little endian machines (where htonl() actually does something). Let's say that I would like to use 0x3fc0 as the hash mask. This means 8 contiguous "1" bits starting at b6. With such a mask, the expected (and logical) behavior is to hash any address in, for instance, 192.168.0.0/26 in bucket 0, then any address in 192.168.0.64/26 in bucket 1, then 192.168.0.128/26 in bucket 2 and so on. This is exactly what would happen on a big endian machine, but on little endian machines, what would actually happen with current implementation is 0x3fc0 being reversed (into 0xc03f0000) by htonl() in the userspace tool and then applied to 192.168.x.x in the u32 classifier. When shifting right by 16 bits (rank of first "1" bit in the reversed mask) and applying the divisor mask (0xff for divisor 256), what would actually remain is 0x3f applied on the "168" octet of the address. One could say is this can be easily worked around by taking endianness into account in userspace and supplying an appropriate mask (0xfc03) that would be turned into contiguous "1" bits when reversed (0x03fc0000). But the actual problem is the network address (inside the packet) not being converted to host order, but used as a host-order value when computing the bucket. Let's say the network address is written as n31 n30 ... n0, with n0 being the least significant bit. When used directly (without any conversion) on a little endian machine, it becomes n7 ... n0 n8 ..n15 etc in the machine's registers. Thus bits n7 and n8 would no longer be adjacent and 192.168.64.0/26 and 192.168.128.0/26 would no longer be consecutive. The fix is to apply ntohl() on the hmask before computing fshift, and in u32_hash_fold() convert the packet data to host order before shifting down by fshift. With helpful feedback from Jamal Hadi Salim and Jarek Poplawski. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix TEQL oops.Evgeniy Polyakov
[PKT_SCHED]: Fix OOPS when removing devices from a teql queuing discipline [ Upstream commit: 4f9f8311a08c0d95c70261264a2b47f2ae99683a ] tecl_reset() is called from deactivate and qdisc is set to noop already, but subsequent teql_xmit does not know about it and dereference private data as teql qdisc and thus oopses. not catch it first :) Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix error returns in sys_socketpair()David Miller
patch bf3c23d171e35e6e168074a1514b0acd59cfd81a in mainline. [NET]: Fix error reporting in sys_socketpair(). If either of the two sock_alloc_fd() calls fail, we forget to update 'err' and thus we'll erroneously return zero in these cases. Based upon a report and patch from Rich Paul, and commentary from Chuck Ebbert. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16softmac: fix wext MLME request reason code endiannessJohannes Berg
patch 94e10bfb8a7372df3ef2759c9ec2a37de2f24aca in mainline. The MLME request reason code is host-endian and our passing it to the low level functions is host-endian as well since they do the swapping. I noticed that the reason code 768 was sent (0x300) rather than 3 when wpa_supplicant terminates. This removes the superfluous cpu_to_le16() call. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix kernel_accept() return handling.Tony Battersby
patch fa8705b00aeca19d91a1437b8a5cf865999b28f6 in mainline. [NET]: sanitize kernel_accept() error path If kernel_accept() returns an error, it may pass back a pointer to freed memory (which the caller should ignore). Make it pass back NULL instead for better safety. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Fix advertised packet scheduler timer resolutionPatrick McHardy
patch 3c0cfc135829b98f7a4894938652f9ef78e24237 in mainline The fourth parameter of /proc/net/psched is supposed to show the timer resultion and is used by HTB userspace to calculate the necessary burst rate. Currently we show the clock resolution, which results in a too low burst rate when the two differ. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16Add get_unaligned to ieee80211_get_radiotap_lenAndy Green
patch dfe6e81deaa79c85086c0cc8d85b229e444ab97f in mainline. ieee80211_get_radiotap_len() tries to dereference radiotap length without taking care that it is completely unaligned and get_unaligned() is required. Signed-off-by: Andy Green <andy@warmcat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: Improve sanity checks on injected packetsAndy Green
patch 9b8a74e3482f9fc077a88c13fa0ceca8feb0b772 in mainline. Michael Wu noticed that the skb length checking is not taken care of enough when a packet is presented on the Monitor interface for injection. This patch improves the sanity checking and removes fake offsets placed into the skb network and transport header. Signed-off-by: Andy Green <andy@warmcat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-11-16mac80211: filter locally-originated multicast framesJohn W. Linville
patch b331615722779b078822988843ddffd4eaec9f83 in mainline. In STA mode, the AP will echo our traffic. This includes multicast traffic. Receiving these frames confuses some protocols and applications, notably IPv6 Duplicate Address Detection. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-10-08[IPv6]: Fix ICMPv6 redirect handling with target multicast addressBrian Haley
When the ICMPv6 Target address is multicast, Linux processes the redirect instead of dropping it. The problem is in this code in ndisc_redirect_rcv(): if (ipv6_addr_equal(dest, target)) { on_link = 1; } else if (!(ipv6_addr_type(target) & IPV6_ADDR_LINKLOCAL)) { ND_PRINTK2(KERN_WARNING "ICMPv6 Redirect: target address is not link-local.\n"); return; } This second check will succeed if the Target address is, for example, FF02::1 because it has link-local scope. Instead, it should be checking if it's a unicast link-local address, as stated in RFC 2461/4861 Section 8.1: - The ICMP Target Address is either a link-local address (when redirected to a router) or the same as the ICMP Destination Address (when redirected to the on-link destination). I know this doesn't explicitly say unicast link-local address, but it's implied. This bug is preventing Linux kernels from achieving IPv6 Logo Phase II certification because of a recent error that was found in the TAHI test suite - Neighbor Disovery suite test 206 (v6LC.2.3.6_G) had the multicast address in the Destination field instead of Target field, so we were passing the test. This won't be the case anymore. The patch below fixes this problem, and also fixes ndisc_send_redirect() to not send an invalid redirect with a multicast address in the Target field. I re-ran the TAHI Neighbor Discovery section to make sure Linux passes all 245 tests now. Signed-off-by: Brian Haley <brian.haley@hp.com> Acked-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-07[PKT_SCHED] cls_u32: error code isn't been propogated properlyStephen Hemminger
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-07[ROSE]: Fix rose.ko oops on unloadAlexey Dobriyan
Commit a3d384029aa304f8f3f5355d35f0ae274454f7cd aka "[AX.25]: Fix unchecked rose_add_loopback_neigh uses" transformed rose_loopback_neigh var into statically allocated one. However, on unload it will be kfree's which can't work. Steps to reproduce: modprobe rose rmmod rose BUG: unable to handle kernel NULL pointer dereference at virtual address 00000008 printing eip: c014c664 *pde = 00000000 Oops: 0000 [#1] PREEMPT DEBUG_PAGEALLOC Modules linked in: rose ax25 fan ufs loop usbhid rtc snd_intel8x0 snd_ac97_codec ehci_hcd ac97_bus uhci_hcd thermal usbcore button processor evdev sr_mod cdrom CPU: 0 EIP: 0060:[<c014c664>] Not tainted VLI EFLAGS: 00210086 (2.6.23-rc9 #3) EIP is at kfree+0x48/0xa1 eax: 00000556 ebx: c1734aa0 ecx: f6a5e000 edx: f7082000 esi: 00000000 edi: f9a55d20 ebp: 00200287 esp: f6a5ef28 ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068 Process rmmod (pid: 1823, ti=f6a5e000 task=f7082000 task.ti=f6a5e000) Stack: f9a55d20 f9a5200c 00000000 00000000 00000000 f6a5e000 f9a5200c f9a55a00 00000000 bf818cf0 f9a51f3f f9a55a00 00000000 c0132c60 65736f72 00000000 f69f9630 f69f9528 c014244a f6a4e900 00200246 f7082000 c01025e6 00000000 Call Trace: [<f9a5200c>] rose_rt_free+0x1d/0x49 [rose] [<f9a5200c>] rose_rt_free+0x1d/0x49 [rose] [<f9a51f3f>] rose_exit+0x4c/0xd5 [rose] [<c0132c60>] sys_delete_module+0x15e/0x186 [<c014244a>] remove_vma+0x40/0x45 [<c01025e6>] sysenter_past_esp+0x8f/0x99 [<c012bacf>] trace_hardirqs_on+0x118/0x13b [<c01025b6>] sysenter_past_esp+0x5f/0x99 ======================= Code: 05 03 1d 80 db 5b c0 8b 03 25 00 40 02 00 3d 00 40 02 00 75 03 8b 5b 0c 8b 73 10 8b 44 24 18 89 44 24 04 9c 5d fa e8 77 df fd ff <8b> 56 08 89 f8 e8 84 f4 fd ff e8 bd 32 06 00 3b 5c 86 60 75 0f EIP: [<c014c664>] kfree+0x48/0xa1 SS:ESP 0068:f6a5ef28 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-07[TCP]: Fix fastpath_cnt_hint when GSO skb is partially ACKedIlpo Järvinen
When only GSO skb was partially ACKed, no hints are reset, therefore fastpath_cnt_hint must be tweaked too or else it can corrupt fackets_out. The corruption to occur, one must have non-trivial ACK/SACK sequence, so this bug is not very often that harmful. There's a fackets_out state reset in TCP because fackets_out is known to be inaccurate and that fixes the issue eventually anyway. In case there was also at least one skb that got fully ACKed, the fastpath_skb_hint is set to NULL which causes a recount for fastpath_cnt_hint (the old value won't be accessed anymore), thus it can safely be decremented without additional checking. Reported by Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-03Merge branch 'fixes-jgarzik' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
2007-10-02[PATCH] softmac: Fix compiler-warningRichard Knutsson
CC net/ieee80211/softmac/ieee80211softmac_wx.o /home/kernel/src/net/ieee80211/softmac/ieee80211softmac_wx.c: In function ‘ieee80211softmac_wx_set_essid’: /home/kernel/src/net/ieee80211/softmac/ieee80211softmac_wx.c:117: warning: label ‘out’ defined but not used due to commit: efe870f9f4ad74410a18ecbf0d9ba7c14b50a0fb. Removing the label. Signed-off-by: Richard Knutsson <ricknu-0@student.ltu.se> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-10-01[IEEE80211]: avoid integer underflow for runt rx framesJohn W. Linville
Reported by Chris Evans <scarybeasts@gmail.com>: > The summary is that an evil 80211 frame can crash out a victim's > machine. It only applies to drivers using the 80211 wireless code, and > only then to certain drivers (and even then depends on a card's > firmware not dropping a dubious packet). I must confess I'm not > keeping track of Linux wireless support, and the different protocol > stacks etc. > > Details are as follows: > > ieee80211_rx() does not explicitly check that "skb->len >= hdrlen". > There are other skb->len checks, but not enough to prevent a subtle > off-by-two error if the frame has the IEEE80211_STYPE_QOS_DATA flag > set. > > This leads to integer underflow and crash here: > > if (frag != 0) > flen -= hdrlen; > > (flen is subsequently used as a memcpy length parameter). How about this? Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-01[SFQ]: Remove artificial limitation for queue limit.Alexey Kuznetsov
This is followup to Patrick's patch. A little optimization to enqueue routine allows to remove artificial limitation on queue length. Plus, testing showed that hash function used by SFQ is too bad or even worse. It does not even sweep the whole range of hash values. Switched to Jenkins' hash. Signed-off-by: Alexey Kuznetsov <kaber@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-28[TCP]: Fix MD5 signature handling on big-endian.David S. Miller
Based upon a report and initial patch by Peter Lieven. tcp4_md5sig_key and tcp6_md5sig_key need to start with the exact same members as tcp_md5sig_key. Because they are both cast to that type by tcp_v{4,6}_md5_do_lookup(). Unfortunately tcp{4,6}_md5sig_key use a u16 for the key length instead of a u8, which is what tcp_md5sig_key uses. This just so happens to work by accident on little-endian, but on big-endian it doesn't. Instead of casting, just place tcp_md5sig_key as the first member of the address-family specific structures, adjust the access sites, and kill off the ugly casts. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-27[NET]: Zero length write() on socket should not simply return 0.David S. Miller
This fixes kernel bugzilla #5731 It should generate an empty packet for datagram protocols when the socket is connected, for one. The check is doubly-wrong because all that a write() can be is a sendmsg() call with a NULL msg_control and a single entry iovec. No special semantics should be assigned to it, therefore the zero length check should be removed entirely. This matches the behavior of BSD and several other systems. Alan Cox notes that SuSv3 says the behavior of a zero length write on non-files is "unspecified", but that's kind of useless since BSD has defined this behavior for a quarter century and BSD is essentially what application folks code to. Based upon a patch from Stephen Hemminger. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-26fix sctp_del_bind_addr() last argument typeAl Viro
It gets pointer to fastcall function, expects a pointer to normal one and calls the sucker. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-26Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [PPP_MPPE]: Don't put InterimKey on the stack SCTP : Add paramters validity check for ASCONF chunk SCTP: Discard OOTB packetes with bundled INIT early. SCTP: Clean up OOTB handling and fix infinite loop processing SCTP: Explicitely discard OOTB chunks SCTP: Send ABORT chunk with correct tag in response to INIT ACK SCTP: Validate buffer room when processing sequential chunks [PATCH] mac80211: fix initialisation when built-in [PATCH] net/mac80211/wme.c: fix sparse warning [PATCH] cfg80211: fix initialisation if built-in [PATCH] net/wireless/sysfs.c: Shut up build warning
2007-09-25SCTP : Add paramters validity check for ASCONF chunkWei Yongjun
If ADDIP is enabled, when an ASCONF chunk is received with ASCONF paramter length set to zero, this will cause infinite loop. By the way, if an malformed ASCONF chunk is received, will cause processing to access memory without verifying. This is because of not check the validity of parameters in ASCONF chunk. This patch fixed this. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2007-09-25SCTP: Discard OOTB packetes with bundled INIT early.Vlad Yasevich
RFC 4460 and future RFC 4960 (2960-bis) specify that packets with bundled INIT chunks need to be dropped. We currenlty do that only after processing any leading chunks. For OOTB chunks, since we already walk the entire packet, we should discard packets with bundled INITs. There are other chunks chunks that MUST NOT be bundled, but the spec is silent on theire treatment. Thus, we'll leave their teatment alone for the moment. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
2007-09-25SCTP: Clean up OOTB handling and fix infinite loop processingVlad Yasevich
While processing OOTB chunks as well as chunks with an invalid length of 0, it was possible to SCTP to get wedged inside an infinite loop because we didn't catch the condition correctly, or didn't mark the packet for discard correctly. This work is based on original findings and work by Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2007-09-25SCTP: Explicitely discard OOTB chunksVlad Yasevich
Explicitely discard OOTB chunks, whether the result is a SHUTDOWN COMPLETE or an ABORT. We need to discard the OOTB SHUTDOWN ACK to prevent bombing attackes since responsed MUST NOT be bundled. We also explicietely discard in the ABORT case since that function is widely used internally. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
2007-09-25SCTP: Send ABORT chunk with correct tag in response to INIT ACKWei Yongjun
When SCTP client received an INIT ACK chunk with missing mandatory parameter such as "cookie parameter", it will send back a ABORT with T-bit not set and verification tag is set to 0. This is because before we accept this INIT ACK chunk, we do not know the peer's tag. This patch change to reflect vtag when responding to INIT ACK with missing mandatory parameter. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2007-09-25SCTP: Validate buffer room when processing sequential chunksVlad Yasevich
When we process bundled chunks, we need to make sure that the skb has the buffer for each header since we assume it's always there. Some malicious node can send us something like DATA + 2 bytes and we'll try to walk off the end refrencing potentially uninitialized memory. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
2007-09-25[PATCH] mac80211: fix initialisation when built-inJohannes Berg
When mac80211 is built into the kernel it needs to init earlier so that device registrations are run after it has initialised. The same applies to rate control algorithms. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-25[PATCH] net/mac80211/wme.c: fix sparse warningJohannes Berg
wme.c triggers a sparse warning; it wasn't noticed before because until recently ARRAY_SIZE triggered a sparse error. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-25[PATCH] cfg80211: fix initialisation if built-inJohannes Berg
When cfg80211 is built into the kernel it needs to init earlier so that device registrations are run after it has initialised. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-25[PATCH] net/wireless/sysfs.c: Shut up build warningSatyam Sharma
net/wireless/sysfs.c:108: warning: ‘wiphy_uevent’ defined but not used when CONFIG_HOTPLUG=n is because the only usage site of this function is #ifdef'ed as such, so let's #ifdef the definition also. Signed-off-by: Satyam Sharma <satyam@infradead.org> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-25Merge branch 'fixes-jgarzik' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
2007-09-21[PATCH] softmac: Fix inability to associate with WEP networksLarry Finger
Commit 4cf92a3c was submitted as a fix for bug #8686 at bugzilla.kernel.org (http://bugzilla.kernel.org/show_bug.cgi?id=8686). Unfortunately, the fix led to a new bug, reported by Yoshifuji Hideaki, that prevented association for WEP encrypted networks that use ifconfig to control the device. This patch effectively reverts the earlier commit and does a proper fix for bug #8686. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2007-09-20rpc: fix garbage in printk in svc_tcp_accept()Wolfgang Walter
we upgraded the kernel of a nfs-server from 2.6.17.11 to 2.6.22.6. Since then we get the message lockd: too many open TCP sockets, consider increasing the number of nfsd threads lockd: last TCP connect from ^\\236^\É^D These random characters in the second line are caused by a bug in svc_tcp_accept. (Note: there are two previous __svc_print_addr(sin, buf, sizeof(buf)) calls in this function, either of which would initialize buf correctly; but both are inside "if"'s and are not necessarily executed. This is less obvious in the second case, which is inside a dprintk(), which is a macro which expands to an if statement.) Signed-off-by: Wolfgang Walter <wolfgang.walter@studentenwerk.mhn.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-09-20[PKT_SCHED]: Fix 'SFQ qdisc crashes with limit of 2 packets'Alexey Kuznetsov
Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-20[NETFILTER]: nfnetlink_log: fix sending of multipart messagesEric Leblond
The following patch fixes the handling of netlink packets containing multiple messages. As exposed during netfilter workshop, nfnetlink_log was overwritten the message type of the last message (setting it to MSG_DONE) in a multipart packet. The consequence was libnfnetlink to ignore the last message in the packet. The following patch adds a supplementary message (with type MSG_DONE) af the end of the netlink skb. Signed-off-by: Eric Leblond <eric@inl.fr> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-16Merge branch 'master' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [VLAN]: Fix net_device leak. [PPP] generic: Fix receive path data clobbering & non-linear handling [PPP] generic: Call skb_cow_head before scribbling over skb [NET] skbuff: Add skb_cow_head [BRIDGE]: Kill clone argument to br_flood_* [PPP] pppoe: Fill in header directly in __pppoe_xmit [PPP] pppoe: Fix data clobbering in __pppoe_xmit and return value [PPP] pppoe: Fix skb_unshare_check call position [SCTP]: Convert bind_addr_list locking to RCU [SCTP]: Add RCU synchronization around sctp_localaddr_list [PKT_SCHED]: sch_cbq.c: Shut up uninitialized variable warning [PKTGEN]: srcmac fix [IPV6]: Fix source address selection. [IPV4]: Just increment OutDatagrams once per a datagram. [IPV6]: Just increment OutDatagrams once per a datagram. [IPV6]: Fix unbalanced socket reference with MSG_CONFIRM. [NET_SCHED] protect action config/dump from irqs [NET]: Fix two issues wrt. SO_BINDTODEVICE.
2007-09-16[VLAN]: Fix net_device leak.Al Viro
In "[VLAN]: Move device registation to seperate function" (commit e89fe42cd03c8fd3686df82d8390a235717a66de), a pile of code got moved to register_vlan_dev(), including grabbing a reference to underlying device. However, original dev_hold() had been left behind, so we leak a reference to net_device now... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>