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2005-10-09[PATCH] Keys: Split key permissions checking into a .c fileDavid Howells3-86/+76
The attached patch splits key permissions checking out of key-ui.h and moves it into a .c file. It's quite large and called quite a lot, and it's about to get bigger with the addition of LSM support for keys... key_any_permission() is also discarded as it's no longer used. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-09[PATCH] Keys: Add request-key process documentationDavid Howells4-7/+176
The attached patch adds documentation for the process by which request-key works, including how it permits helper processes to gain access to the requestor's keyrings. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-09[PATCH] key: plug request_key_auth memleakDavid Howells1-0/+1
Plug request_key_auth memleak. This can be triggered by unprivileged users, so is local DoS. Signed-off-by: Chris Wright <chrisw@osdl.org> Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-09[PATCH] yenta: fix build if YENTA && !CARDBUSDavid Vrabel1-1/+4
(struct pcmcia_socket).tune_bridge only exists if CONFIG_CARDBUS is set but building yenta_socket without CardBus is valid. Signed-off-by: David Vrabel <dvrabel@arcom.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-09[PATCH] fix do_coredump() vs SIGSTOP raceOleg Nesterov1-1/+2
Let's suppose we have 2 threads in thread group: A - does coredump B - has pending SIGSTOP thread A thread B do_coredump: get_signal_to_deliver: lock(->sighand) ->signal->flags = SIGNAL_GROUP_EXIT unlock(->sighand) lock(->sighand) signr = dequeue_signal() ->signal->flags |= SIGNAL_STOP_DEQUEUED return SIGSTOP; do_signal_stop: unlock(->sighand) coredump_wait: zap_threads: lock(tasklist_lock) send SIGKILL to B // signal_wake_up() does nothing unlock(tasklist_lock) lock(tasklist_lock) lock(->sighand) re-check sig->flags & SIGNAL_STOP_DEQUEUED, yes set_current_state(TASK_STOPPED); finish_stop: schedule(); // ->state == TASK_STOPPED wait_for_completion(&startup_done) // waits for complete() from B, // ->state == TASK_UNINTERRUPTIBLE We can't wake up 'B' in any way: SIGCONT will be ignored because handle_stop_signal() sees ->signal->flags & SIGNAL_GROUP_EXIT. sys_kill(SIGKILL)->__group_complete_signal() will choose uninterruptible 'A', so it can't help. sys_tkill(B, SIGKILL) will be ignored by specific_send_sig_info() because B already has pending SIGKILL. This scenario is not possbile if 'A' does do_group_exit(), because it sets sig->flags = SIGNAL_GROUP_EXIT and delivers SIGKILL to subthreads atomically, holding both tasklist_lock and sighand->lock. That means that do_signal_stop() will notice !SIGNAL_STOP_DEQUEUED after re-locking ->sighand. And it is not possible to any other thread to re-add SIGNAL_STOP_DEQUEUED later, because dequeue_signal() can only return SIGKILL. I think it is better to change do_coredump() to do sigaddset(SIGKILL) and signal_wake_up() under sighand->lock, but this patch is much simpler. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-07Avoid 'names_cache' memory leak with CONFIG_AUDITSYSCALLLinus Torvalds1-3/+3
The nameidata "last.name" is always allocated with "__getname()", and should always be free'd with "__putname()". Using "putname()" without the underscores will leak memory, because the allocation will have been hidden from the AUDITSYSCALL code. Arguably the real bug is that the AUDITSYSCALL code is really broken, but in the meantime this fixes the problem people see. Reported by Robert Derr, patch by Rick Lindsley. Acked-by: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-07Merge branch 'release' of ↵Linus Torvalds1-0/+5
master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6
2005-10-07[IA64] Avoid kernel hang during CMC interrupt stormBryan Sutula1-0/+5
I've noticed a kernel hang during a storm of CMC interrupts, which was tracked down to the continual execution of the interrupt handler. There's code in the CMC handler that's supposed to disable CMC interrupts and switch to polling mode when it sees a bunch of CMCs. Because disabling CMCs across all CPUs isn't safe in interrupt context, the disable is done with a schedule_work(). But with continual CMC interrupts, the schedule_work() never gets executed. The following patch immediately disables CMC interrupts for the current CPU. This then allows (at least) one CPU to ignore CMC interrupts, execute the schedule_work() code, and disable CMC interrupts on the rest of the CPUs. Acked-by: Keith Owens <kaos@sgi.com> Signed-off-by: Bryan Sutula <Bryan.Sutula@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-10-07Merge master.kernel.org:/home/rmk/linux-2.6-ucbLinus Torvalds2-4/+0
2005-10-07Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds1-4/+4
2005-10-07Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds32-57/+77
2005-10-07Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds9-341/+103
2005-10-06[MFD] Fix gcc4 build errors in ucb1x00-core.cRussell King2-4/+0
drivers/mfd/ucb1x00-core.c:555: error: static declaration of 'ucb1x00_class' follows non-static declaration drivers/mfd/ucb1x00.h:109: error: previous declaration of 'ucb1x00_class' was here Since ucb1x00_class isn't used by anything, remove the extern declaration and the symbol export. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-06[SPARC64]: Fix initrd when net booting.David S. Miller1-100/+56
By allocating early memory for the firmware page tables, we can write over the beginning of the initrd image. So what we do now is: 1) Read in firmware translations table while still on the firmware's trap table. 2) Switch to Linux trap table. 3) Init bootmem. 4) Build firmware page tables using __alloc_bootmem(). And this keeps the initrd from being clobbered. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-06[ARM] 2954/1: Allow D and I cache and branch prediction disabling for ARMv6Catalin Marinas1-4/+4
Patch from Catalin Marinas There is no reason to not allow these config options. They are useful when the hardware has problems. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-05[SPARC]: Remove some duplicated sparc32 config itemsMartin Habets1-56/+0
Remove some duplicated items due to the inclusion of the general drivers/Kconfig file. These are now taken from drivers/char/Kconfig, and can be turned off there as well (which is desirable sometimes). Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[AX.25]: Fix packet socket crashRalf Baechle2-2/+2
Since changeset 98a82febb6340466824c3a453738d4fbd05db81a AX.25 is passing received IP and ARP packets to the stack through netif_rx() but we don't set the skb->mac.raw to right value which may result in a crash with applications that use a packet socket. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[IPSEC]: Document that policy direction is derived from the index.Herbert Xu3-5/+15
Here is a patch that adds a helper called xfrm_policy_id2dir to document the fact that the policy direction can be and is derived from the index. This is based on a patch by YOSHIFUJI Hideaki and 210313105@suda.edu.cn. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[IPV6]: Fix NS handing for proxy/anycast addressYOSHIFUJI Hideaki1-1/+1
Timer set up by pneigh_enqueue() ended up calling ndisc_rcv() via pndisc_redo(), which clears LOCALLY_ENQUEUED flag in NEIGH_CB(skb) and NS was queued again. Let's call ndisc_recv_ns() directly to avoid the loop. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[TCP]: BIC coding bug in Linux 2.6.13Stephen Hemminger1-1/+1
Missing parenthesis in causes BIC to be slow in increasing congestion window. Spotted by Injong Rhee. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[MCAST] ipv6: Fix address size in grec_sizeYan Zheng1-1/+1
Signed-Off-By: Yan Zheng <yanzheng@21cn.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: David L Stevens <dlstevens@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[PATCH] Fix drm 'debug' sysfs permissionsDave Jones1-1/+1
Just enables some extra printk's, but still.. Only the sysadmin should be able to do that. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[PATCH] ppc: Fix timekeeping with HZ=250 on some Mac modelsBenjamin Herrenschmidt1-1/+1
Older Macs which uses the VIA chip timers to calibrate the timebase used some code that wouldn't work if HZ wasn't divisible by 100... This fixes it at least for 250. Not totally perfect but should be enough for now (so it at least works with the default value which is now 250). There is still a potential issue with the core using CLOCK_TICK_RATE to maintain xtime and CLOCK_TICK_RATE value on ppc32 is pure crap, but that is a different problem, this patch at least brings us back to our previous situation. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[PATCH] fix the breakage in sparc headersAl Viro2-14/+14
If we switch extern inline to static inline, we'd better switch the pre-declarations we use to say that these puppies have __attribute_const__ on them. Otherwise we get extern declaration followed by static inline one. Which makes gcc unhappy, and for a good reason... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[XFRM]: fix sparse gfp nocast warningsRandy Dunlap2-2/+2
Fix implicit nocast warnings in xfrm code: net/xfrm/xfrm_policy.c:232:47: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[TEXTSEARCH]: fix sparse gfp nocast warningsRandy Dunlap4-4/+5
Fix nocast sparse warnings: include/linux/textsearch.h:165:57: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[RPC]: fix sparse gfp nocast warningsRandy Dunlap5-5/+5
Fix nocast sparse warnings: net/rxrpc/call.c:2013:25: warning: implicit cast to nocast type net/rxrpc/connection.c:538:46: warning: implicit cast to nocast type net/sunrpc/sched.c:730:36: warning: implicit cast to nocast type net/sunrpc/sched.c:734:56: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[AF_KEY]: fix sparse gfp nocast warningsRandy Dunlap1-3/+4
Fix implicit nocast warnings in net/key code: net/key/af_key.c:195:27: warning: implicit cast to nocast type net/key/af_key.c:1439:28: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[NETFILTER]: fix sparse gfp nocast warningsRandy Dunlap1-1/+2
Fix implicit nocast warnings in nfnetlink code: net/netfilter/nfnetlink.c:204:43: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[IPVS]: fix sparse gfp nocast warningsRandy Dunlap2-2/+2
From: Randy Dunlap <rdunlap@xenotime.net> Fix implicit nocast warnings in ip_vs code: net/ipv4/ipvs/ip_vs_app.c:631:54: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[DECNET]: fix sparse gfp nocast warningsRandy Dunlap4-16/+23
Fix implicit nocast warnings in decnet code: net/decnet/af_decnet.c:458:40: warning: implicit cast to nocast type net/decnet/dn_nsp_out.c:125:35: warning: implicit cast to nocast type net/decnet/dn_nsp_out.c:219:29: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[CONNECTOR]: fix sparse gfp nocast warningsRandy Dunlap2-2/+3
Fix implicit nocast warnings in connector code: drivers/connector/connector.c:102:24: warning: implicit cast to nocast type drivers/connector/connector.c:114:45: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[BONDING]: fix sparse gfp nocast warningsRandy Dunlap1-2/+3
Fix implicit nocast warnings in bonding code: drivers/net/bonding/bond_main.c:1302:49: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[ATM]: fix sparse gfp nocast warningsRandy Dunlap3-8/+6
Fix implicit nocast warnings in atm code: net/atm/atm_misc.c:35:44: warning: implicit cast to nocast type drivers/atm/fore200e.c:183:33: warning: implicit cast to nocast type Also use kzalloc() instead of kmalloc(). Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[PATCH] orinoco: Information leakage due to incorrect paddingPavel Roskin1-5/+9
The orinoco driver can send uninitialized data exposing random pieces of the system memory. This happens because data is not padded with zeroes when its length needs to be increased. Reported by Meder Kydyraliev <meder@o0o.nu> Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-10-05Merge branch 'for-linus' of ↵Linus Torvalds2-26/+23
master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
2005-10-05[PATCH] Fix broken IXP4xx GPIO macroDeepak Saxena1-1/+1
Macro ended up backwards during one of cleanups. Found by Alessandro Zummo. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[NETFILTER]: Fix Kconfig typoHorst H. von Brand1-1/+1
Signed-off-by: Horst H. von Brand <vonbrand@inf.utfsm.cl> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds6-29/+54
2005-10-05[PATCH] x86_64: Drop global bit from early low mappingsAndi Kleen1-20/+20
Drop global bit from early low mappings Suggested by Linus, originally also proposed by Suresh. This fixes a race condition with early start of udev, originally tracked down by Suresh B. Siddha. The problem was that switching to the user space VM would not clear the global low mappings for the beginning of memory, which lead to memory corruption. Drop the global bits. The kernel mapping stays global because it should stay constant. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[INET]: Shrink struct inet_ehash_bucket on 32 bits UPEric Dumazet1-1/+1
No need to align struct inet_ehash_bucket on a 8 bytes boundary. On 32 bits Uniprocessor, that's a waste of 4 bytes per struct (50 %) On other platforms, the attribute is useless, natual alignement is already 8. platform | Size before | Size after patch -------------+-------------+------------------ 32 bits, UP | 8 | 4 32 bits, SMP | 8 | 8 64 bits, UP | 8 | 8 64 bits, SMP | 16 | 16 Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[SPARC64]: Replace cheetah+ code patching with variables.David S. Miller8-185/+47
Instead of code patching to handle the page size fields in the context registers, just use variables from which we get the proper values. Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-05[ARM] 2952/1: fix a register clobber listNicolas Pitre1-1/+1
Patch from Nicolas Pitre If gcc decides to assign lr to %0 we're screwed. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-05[ARM] 2951/1: fix wrong commentNicolas Pitre1-1/+1
Patch from Nicolas Pitre The cmpxchg emulation syscall needs write access. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-05[ARM] 2950/1: i.MX gpio setup functionSascha Hauer3-24/+47
Patch from Sascha Hauer Current implementation of imx_gpio_mode does not allow to configure all alternate routing possibilities of the i.MX. With this patch every bit in the gpio setup registers has a corresponding bit in the gpio_mode parameter, so every routing should be possible now. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-05[ARM] 2949/1: Hynix h720x Run modeSascha Hauer1-3/+5
Patch from Sascha Hauer After coming out of idle mode the h720x goes into slow mode. Switch it back to run mode. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-10-05Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2-3/+24
2005-10-05[PATCH] uml: Fix sysrq-r support for skas modeAllan Graves9-89/+38
The old code had the IP and SP coming from the registers in the thread struct, which are completely wrong since those are the userspace registers. This fixes that by pulling the correct values from the jmp_buf in which the kernel state of each thread is stored. Signed-off-by: Allan Graves <allan.graves@oracle.com> Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[PATCH] UML - Fix Al's build tidyingJeff Dike1-1/+1
Al's build tidying missed one bit from me - without this UML doesn't boot. Signed-off-by: Jeff Dike <jdike@addtoit.com> Acked-by: Al Viro <viro@ftp.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-05[PATCH] bfs iget() abusesAl Viro1-12/+30
bfs_fill_super() walks the inode table to get the bitmap of free inodes and collect stats. It has no business using iget() for that - it's a lot of extra work, extra icache pollution and more complex code. Switched to walking the damn thing directly. Note: that also allows to kill ->i_dsk_ino in there - separate patch if Tigran can confirm that this field can be zero only for deleted inodes (i.e. something that could only be found during that scan and not by normal lookups). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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