- 01 Jun, 2012 32 commits
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Rajkumar Kasirajan authored
commit c0a5f4a0 upstream. The reset date of the ST Micro version of PL031 is 2000-01-01. The correct weekday for 2000-01-01 is saturday, but pl031 is initialized to sunday. This may lead to alarm malfunction, so configure the correct wday if RTC_DR indicates reset. Signed-off-by:
Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Cc: Mattias Wallin <mattias.wallin@stericsson.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Matthias Fend authored
commit eb9c5836 upstream. The out functions should only handle actual available data instead of the complete buffer. Otherwise for example the ep0_consume function will report ghost events since it tries to decode the complete buffer - which may contain partly invalid data. Signed-off-by:
Matthias Fend <matthias.fend@wolfvision.net> Acked-by:
Michal Nazarewicz <mina86@mina86.com> Signed-off-by:
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Alan Stern authored
commit df767b71 upstream. This patch (as1553) adds an unusual_dev entrie for the Yarvik PMP400 MP4 music player. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Reported-by:
Jesse Feddema <jdfeddema@gmail.com> Tested-by:
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Éric Piel authored
commit b69cc672 upstream. This adds VID/PID for the PI E-861. Without it, I had to do: modprobe -q ftdi-sio product=0x1008 vendor=0x1a72 http://www.physikinstrumente.com/en/products/prdetail.php?sortnr=900610Signed-off-by:
Éric Piel <piel@delmic.com> Signed-off-by:
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Alan Cox authored
commit 1e66cded upstream. This is legitimate but because we don't clear the drv->state pointer in the unregister code causes a bogus BUG(). Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=42880Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
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Lothar Waßmann authored
commit 8b979f7c upstream. This patch fixes a problem reported here: http://article.gmane.org/gmane.linux.ports.arm.kernel/155242/match=auartSigned-off-by:
Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by:
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Shaohua Li authored
commit b5e1b8ce upstream. A flush request is usually issued in transaction commit code path, so using GFP_KERNEL to allocate memory for flush request bio falls into the classic deadlock issue. This is suitable for any -stable kernel to which it applies as it avoids a possible deadlock. Signed-off-by:
Shaohua Li <shli@fusionio.com> Signed-off-by:
NeilBrown <neilb@suse.de> Signed-off-by:
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Mel Gorman authored
commit 05f144a0 upstream. Dave Jones' system call fuzz testing tool "trinity" triggered the following bug error with slab debugging enabled ============================================================================= BUG numa_policy (Not tainted): Poison overwritten ----------------------------------------------------------------------------- INFO: 0xffff880146498250-0xffff880146498250. First byte 0x6a instead of 0x6b INFO: Allocated in mpol_new+0xa3/0x140 age=46310 cpu=6 pid=32154 __slab_alloc+0x3d3/0x445 kmem_cache_alloc+0x29d/0x2b0 mpol_new+0xa3/0x140 sys_mbind+0x142/0x620 system_call_fastpath+0x16/0x1b INFO: Freed in __mpol_put+0x27/0x30 age=46268 cpu=6 pid=32154 __slab_free+0x2e/0x1de kmem_cache_free+0x25a/0x260 __mpol_put+0x27/0x30 remove_vma+0x68/0x90 exit_mmap+0x118/0x140 mmput+0x73/0x110 exit_mm+0x108/0x130 do_exit+0x162/0xb90 do_group_exit+0x4f/0xc0 sys_exit_group+0x17/0x20 system_call_fastpath+0x16/0x1b INFO: Slab 0xffffea0005192600 objects=27 used=27 fp=0x (null) flags=0x20000000004080 INFO: Object 0xffff880146498250 @offset=592 fp=0xffff88014649b9d0 This implied a reference counting bug and the problem happened during mbind(). mbind() applies a new memory policy to a range and uses mbind_range() to merge existing VMAs or split them as necessary. In the event of splits, mpol_dup() will allocate a new struct mempolicy and maintain existing reference counts whose rules are documented in Documentation/vm/numa_memory_policy.txt . The problem occurs with shared memory policies. The vm_op->set_policy increments the reference count if necessary and split_vma() and vma_merge() have already handled the existing reference counts. However, policy_vma() screws it up by replacing an existing vma->vm_policy with one that potentially has the wrong reference count leading to a premature free. This patch removes the damage caused by policy_vma(). With this patch applied Dave's trinity tool runs an mbind test for 5 minutes without error. /proc/slabinfo reported that there are no numa_policy or shared_policy_node objects allocated after the test completed and the shared memory region was deleted. Signed-off-by:
Mel Gorman <mgorman@suse.de> Cc: Dave Jones <davej@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Stephen Wilson <wilsons@start.ca> Cc: Christoph Lameter <cl@linux.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Tejun Heo authored
commit 544ecf31 upstream. worker_enter_idle() has WARN_ON_ONCE() which triggers if nr_running isn't zero when every worker is idle. This can trigger spuriously while a cpu is going down due to the way trustee sets %WORKER_ROGUE and zaps nr_running. It first sets %WORKER_ROGUE on all workers without updating nr_running, releases gcwq->lock, schedules, regrabs gcwq->lock and then zaps nr_running. If the last running worker enters idle inbetween, it would see stale nr_running which hasn't been zapped yet and trigger the WARN_ON_ONCE(). Fix it by performing the sanity check iff the trustee is idle. Signed-off-by:
Tejun Heo <tj@kernel.org> Reported-by:
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Signed-off-by:
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Bjørn Mork authored
commit 616b6937 upstream. Else the poll will be restarted indefinitely in a tight loop, preventing final device cleanup. Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Kees Cook authored
commit 591bfc6b upstream. The HOWTO document needed updating for the new kernel versioning. The git URI for -next was updated as well. Signed-off-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
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Richard Weinberger authored
commit f15b9000 upstream. UML uses the _PAGE_NEWPAGE flag to mark pages which are not jet installed on the host side using mmap(). pte_same() has to ignore this flag, otherwise unuse_pte_range() is unable to unuse the page because two identical page tables entries with different _PAGE_NEWPAGE flags would not match and swapoff() would never return. Analyzed-by:
Hugh Dickins <hughd@google.com> Signed-off-by:
Richard Weinberger <richard@nod.at> Signed-off-by:
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Richard Weinberger authored
commit 2b76ebaa upstream. The current __swp_type() function uses a too small bitshift. Using more than one swap files causes bad pages because the type bits clash with other page flags. Analyzed-by:
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Matt Johnson authored
commit 642d8925 upstream. The Marvell 88SE9172 SATA controller (PCI ID 1b4b 917a) already worked once it was detected, but was missing an ahci_pci_tbl entry. Boot tested on a Gigabyte Z68X-UD3H-B3 motherboard. Signed-off-by:
Matt Johnson <johnso87@illinois.edu> Signed-off-by:
Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
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Maxim Levitsky authored
commit 452380ef upstream. major == 0 allocates dynamic major, not major == -1 Signed-off-by:
Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by:
Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by:
David Woodhouse <David.Woodhouse@intel.com> Signed-off-by:
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Robert Richter authored
commit 5bcdf5e4 upstream. This update is for newer family 15h cpu models from 0x02 to 0x1f. Signed-off-by:
Robert Richter <robert.richter@amd.com> Acked-by:
Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1337337642-1621-1-git-send-email-robert.richter@amd.comSigned-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Julia Lawall authored
commit abae41e6 upstream. aux_free is freed on all other exits from the function. By removing the return, we can benefit from the vfree already at the end of the function. Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by:
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Eric Paris authored
commit 154c50ca upstream. We reset the bool names and values array to NULL, but do not reset the number of entries in these arrays to 0. If we error out and then get back into this function we will walk these NULL pointers based on the belief that they are non-zero length. Signed-off-by:
Eric Paris <eparis@redhat.com> Signed-off-by:
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David Howells authored
commit 45de6767 upstream. Use the 32-bit compat keyctl() syscall wrapper on Sparc64 for Sparc32 binary compatibility. Without this, keyctl(KEYCTL_INSTANTIATE_IOV) is liable to malfunction as it uses an iovec array read from userspace - though the kernel should survive this as it checks pointers and sizes anyway. I think all the other keyctl() function should just work, provided (a) the top 32-bits of each 64-bit argument register are cleared prior to invoking the syscall routine, and the 32-bit address space is right at the 0-end of the 64-bit address space. Most of the arguments are 32-bit anyway, and so for those clearing is not required. Signed-off-by: David Howells <dhowells@redhat.com cc: "David S. Miller" <davem@davemloft.net> cc: sparclinux@vger.kernel.org Signed-off-by:
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Steve Wise authored
commit 14b92228 upstream. Log a warning and drop the abort message. Otherwise we will do a bogus wake_up() and crash. Signed-off-by:
Steve Wise <swise@opengridcomputing.com> Signed-off-by:
Roland Dreier <roland@purestorage.com> Signed-off-by:
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nagalakshmi.nandigama@lsi.com authored
commit e42fafc2 upstream. The ioc->pfacts member in the IOC structure is getting set to zero following a call to _base_get_ioc_facts due to the memset in that routine. So if the ioc->pfacts was read after a host reset, there would be a NULL pointer dereference. The routine _base_get_ioc_facts is called from context of host reset. The problem in _base_get_ioc_facts is the size of Mpi2IOCFactsReply is 64, whereas the sizeof "struct mpt2sas_facts" is 60, so there is a four byte overflow resulting from the memset. Also, there is memset in _base_get_port_facts using the incorrect structure, it should be "struct mpt2sas_port_facts" instead of Mpi2PortFactsReply. Signed-off-by:
Nagalakshmi Nandigama <nagalakshmi.nandigama@lsi.com> Signed-off-by:
James Bottomley <JBottomley@Parallels.com> Signed-off-by:
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Heiko Carstens authored
commit d5e50a51 upstream. When setting the current task state to TASK_UNINTERRUPTIBLE this can race with a different cpu. The other cpu could set the task state after it inspected it (while it was still TASK_RUNNING) to TASK_RUNNING which would change the state from TASK_UNINTERRUPTIBLE to TASK_RUNNING again. This race was always present in the pfault interrupt code but didn't cause anything harmful before commit f2db2e6c "[S390] pfault: cpu hotplug vs missing completion interrupts" which relied on the fact that after setting the task state to TASK_UNINTERRUPTIBLE the task would really sleep. Since this is not necessarily the case the result may be a list corruption of the pfault_list or, as observed, a use-after-free bug while trying to access the task_struct of a task which terminated itself already. To fix this, we need to get a reference of the affected task when receiving the initial pfault interrupt and add special handling if we receive yet another initial pfault interrupt when the task is already enqueued in the pfault list. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Reviewed-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Linus Torvalds authored
commit 31a67102 upstream. During early boot, when the scheduler hasn't really been fully set up, we really can't do blocking allocations because with certain (dubious) configurations the "might_resched()" calls can actually result in scheduling events. We could just make such users always use GFP_ATOMIC, but quite often the code that does the allocation isn't really aware of the fact that the scheduler isn't up yet, and forcing that kind of random knowledge on the initialization code is just annoying and not good for anybody. And we actually have a the 'gfp_allowed_mask' exactly for this reason: it's just that the kernel init sequence happens to set it to allow blocking allocations much too early. So move the 'gfp_allowed_mask' initialization from 'start_kernel()' (which is some of the earliest init code, and runs with preemption disabled for good reasons) into 'kernel_init()'. kernel_init() is run in the newly created thread that will become the 'init' process, as opposed to the early startup code that runs within the context of what will be the first idle thread. So by the time we reach 'kernel_init()', we know that the scheduler must be at least limping along, because we've already scheduled from the idle thread into the init thread. Reported-by:
Steven Rostedt <rostedt@goodmis.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by:
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Luis R. Rodriguez authored
commit 80007efe upstream. It has happened twice now where elaborate troubleshooting has undergone on systems where CONFIG_CFG80211_INTERNAL_REGDB [0] has been set but yet net/wireless/db.txt was not updated. Despite the documentation on this it seems system integrators could use some more help with this, so throw out a kernel warning at boot time when their database is empty. This does mean that the error-prone system integrator won't likely realize the issue until they boot the machine but -- it does not seem to make sense to enable a build bug breaking random build testing. [0] http://wireless.kernel.org/en/developers/Regulatory/CRDA#CONFIG_CFG80211_INTERNAL_REGDB Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Youngsin Lee <youngsin@qualcomm.com> Cc: Raja Mani <rmani@qca.qualcomm.com> Cc: Senthil Kumar Balasubramanian <senthilb@qca.qualcomm.com> Cc: Vipin Mehta <vipimeht@qca.qualcomm.com> Cc: yahuan@qca.qualcomm.com Cc: jjan@qca.qualcomm.com Cc: vthiagar@qca.qualcomm.com Cc: henrykim@qualcomm.com Cc: jouni@qca.qualcomm.com Cc: athiruve@qca.qualcomm.com Cc: cjkim@qualcomm.com Cc: philipk@qca.qualcomm.com Cc: sunnykim@qualcomm.com Cc: sskwak@qualcomm.com Cc: kkim@qualcomm.com Cc: mattbyun@qualcomm.com Cc: ryanlee@qualcomm.com Cc: simbap@qualcomm.com Cc: krislee@qualcomm.com Cc: conner@qualcomm.com Cc: hojinkim@qualcomm.com Cc: honglee@qualcomm.com Cc: johnwkim@qualcomm.com Cc: jinyong@qca.qualcomm.com Signed-off-by:
Luis R. Rodriguez <mcgrof@frijolero.org> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Linus Torvalds authored
commit a70b52ec upstream. We had for some reason overlooked the AIO interface, and it didn't use the proper rw_verify_area() helper function that checks (for example) mandatory locking on the file, and that the size of the access doesn't cause us to overflow the provided offset limits etc. Instead, AIO did just the security_file_permission() thing (that rw_verify_area() also does) directly. This fixes it to do all the proper helper functions, which not only means that now mandatory file locking works with AIO too, we can actually remove lines of code. Reported-by:
Manish Honap <manish_honap_vit@yahoo.co.in> Signed-off-by:
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Tilman Schmidt authored
commit 8e618aad upstream. Introduce a global ratelimit for CAPI message dumps to protect against possible log flood. Drop the ratelimit for ignored messages which is now covered by the global one. Signed-off-by:
Tilman Schmidt <tilman@imap.cc> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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James Bottomley authored
commit b3cb8674 upstream. Due to an errata, the PA7300LC generates a TLB miss interruption even on the prefetch instruction. This means that prefetch(NULL), which is supposed to be a nop on linux actually generates a NULL deref fault. Fix this by testing the address of prefetch against NULL before doing the prefetch. Signed-off-by:
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John David Anglin authored
commit 207f583d upstream. As pointed out by serveral people, PA1.1 only has a type 26 instruction meaning that the space register must be explicitly encoded. Not giving an explicit space means that the compiler uses the type 24 version which is PA2.0 only resulting in an illegal instruction crash. This regression was caused by commit f311847c Author: James Bottomley <James.Bottomley@HansenPartnership.com> Date: Wed Dec 22 10:22:11 2010 -0600 parisc: flush pages through tmpalias space Reported-by:
Helge Deller <deller@gmx.de> Signed-off-by:
John David Anglin <dave.anglin@bell.net> Signed-off-by:
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James Bottomley authored
commit 5e185581 upstream. All PA1.1 systems have been oopsing on boot since commit f311847c Author: James Bottomley <James.Bottomley@HansenPartnership.com> Date: Wed Dec 22 10:22:11 2010 -0600 parisc: flush pages through tmpalias space because a PA2.0 instruction was accidentally introduced into the PA1.1 TLB insertion interruption path when it was consolidated with the do_alias macro. Fix the do_alias macro only to use PA2.0 instructions if compiled for 64 bit. Signed-off-by:
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Jeff Moyer authored
commit 080399aa upstream. Hi, We have a bug report open where a squashfs image mounted on ppc64 would exhibit errors due to trying to read beyond the end of the disk. It can easily be reproduced by doing the following: [root@ibm-p750e-02-lp3 ~]# ls -l install.img -rw-r--r-- 1 root root 142032896 Apr 30 16:46 install.img [root@ibm-p750e-02-lp3 ~]# mount -o loop ./install.img /mnt/test [root@ibm-p750e-02-lp3 ~]# dd if=/dev/loop0 of=/dev/null dd: reading `/dev/loop0': Input/output error 277376+0 records in 277376+0 records out 142016512 bytes (142 MB) copied, 0.9465 s, 150 MB/s In dmesg, you'll find the following: squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 43.106012] attempt to access beyond end of device [ 43.106029] loop0: rw=0, want=277410, limit=277408 [ 43.106039] Buffer I/O error on device loop0, logical block 138704 [ 43.106053] attempt to access beyond end of device [ 43.106057] loop0: rw=0, want=277412, limit=277408 [ 43.106061] Buffer I/O error on device loop0, logical block 138705 [ 43.106066] attempt to access beyond end of device [ 43.106070] loop0: rw=0, want=277414, limit=277408 [ 43.106073] Buffer I/O error on device loop0, logical block 138706 [ 43.106078] attempt to access beyond end of device [ 43.106081] loop0: rw=0, want=277416, limit=277408 [ 43.106085] Buffer I/O error on device loop0, logical block 138707 [ 43.106089] attempt to access beyond end of device [ 43.106093] loop0: rw=0, want=277418, limit=277408 [ 43.106096] Buffer I/O error on device loop0, logical block 138708 [ 43.106101] attempt to access beyond end of device [ 43.106104] loop0: rw=0, want=277420, limit=277408 [ 43.106108] Buffer I/O error on device loop0, logical block 138709 [ 43.106112] attempt to access beyond end of device [ 43.106116] loop0: rw=0, want=277422, limit=277408 [ 43.106120] Buffer I/O error on device loop0, logical block 138710 [ 43.106124] attempt to access beyond end of device [ 43.106128] loop0: rw=0, want=277424, limit=277408 [ 43.106131] Buffer I/O error on device loop0, logical block 138711 [ 43.106135] attempt to access beyond end of device [ 43.106139] loop0: rw=0, want=277426, limit=277408 [ 43.106143] Buffer I/O error on device loop0, logical block 138712 [ 43.106147] attempt to access beyond end of device [ 43.106151] loop0: rw=0, want=277428, limit=277408 [ 43.106154] Buffer I/O error on device loop0, logical block 138713 [ 43.106158] attempt to access beyond end of device [ 43.106162] loop0: rw=0, want=277430, limit=277408 [ 43.106166] attempt to access beyond end of device [ 43.106169] loop0: rw=0, want=277432, limit=277408 ... [ 43.106307] attempt to access beyond end of device [ 43.106311] loop0: rw=0, want=277470, limit=2774 Squashfs manages to read in the end block(s) of the disk during the mount operation. Then, when dd reads the block device, it leads to block_read_full_page being called with buffers that are beyond end of disk, but are marked as mapped. Thus, it would end up submitting read I/O against them, resulting in the errors mentioned above. I fixed the problem by modifying init_page_buffers to only set the buffer mapped if it fell inside of i_size. Cheers, Jeff Signed-off-by:
Jeff Moyer <jmoyer@redhat.com> Acked-by:
Nick Piggin <npiggin@kernel.dk> -- Changes from v1->v2: re-used max_block, as suggested by Nick Piggin. Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
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Tejun Heo authored
commit 05c69d29 upstream. 6d1d8050 "block, partition: add partition_meta_info to hd_struct" added part_unpack_uuid() which assumes that the passed in buffer has enough space for sprintfing "%pU" - 37 characters including '\0'. Unfortunately, b5af921e "init: add support for root devices specified by partition UUID" supplied 33 bytes buffer to the function leading to the following panic with stackprotector enabled. Kernel panic - not syncing: stack-protector: Kernel stack corrupted in: ffffffff81b14c7e [<ffffffff815e226b>] panic+0xba/0x1c6 [<ffffffff81b14c7e>] ? printk_all_partitions+0x259/0x26xb [<ffffffff810566bb>] __stack_chk_fail+0x1b/0x20 [<ffffffff81b15c7e>] printk_all_paritions+0x259/0x26xb [<ffffffff81aedfe0>] mount_block_root+0x1bc/0x27f [<ffffffff81aee0fa>] mount_root+0x57/0x5b [<ffffffff81aee23b>] prepare_namespace+0x13d/0x176 [<ffffffff8107eec0>] ? release_tgcred.isra.4+0x330/0x30 [<ffffffff81aedd60>] kernel_init+0x155/0x15a [<ffffffff81087b97>] ? schedule_tail+0x27/0xb0 [<ffffffff815f4d24>] kernel_thread_helper+0x5/0x10 [<ffffffff81aedc0b>] ? start_kernel+0x3c5/0x3c5 [<ffffffff815f4d20>] ? gs_change+0x13/0x13 Increase the buffer size, remove the dangerous part_unpack_uuid() and use snprintf() directly from printk_all_partitions(). Signed-off-by:
Szymon Gruszczynski <sz.gruszczynski@googlemail.com> Cc: Will Drewry <wad@chromium.org> Signed-off-by:
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Chris Metcalf authored
commit e6d9668e upstream. Some discussion with the glibc mailing lists revealed that this was necessary for 64-bit platforms with MIPS-like sign-extension rules for 32-bit values. The original symptom was that passing (uid_t)-1 to setreuid() was failing in programs linked -pthread because of the "setxid" mechanism for passing setxid-type function arguments to the syscall code. SYSCALL_WRAPPERS handles ensuring that all syscall arguments end up with proper sign-extension and is thus the appropriate fix for this problem. On other platforms (s390, powerpc, sparc64, and mips) this was fixed in 2.6.28.6. The general issue is tracked as CVE-2009-0029. Signed-off-by:
Chris Metcalf <cmetcalf@tilera.com> Signed-off-by:
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- 21 May, 2012 8 commits
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Greg Kroah-Hartman authored
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Émeric Maschino authored
commit 65cc21b4 upstream. While debugging udev > 170 failure on Debian Wheezy (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=648325), it appears that the issue was in fact due to missing accept4() in ia64. This patch simply adds accept4() to ia64. Signed-off-by:
Émeric Maschino <emeric.maschino@gmail.com> Signed-off-by:
Tony Luck <tony.luck@intel.com> Signed-off-by:
Jonathan Nieder <jrnieder@gmail.com> Signed-off-by:
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Dan Carpenter authored
commit 73f98eab upstream. pch_gbe_validate_option() modifies 32 bits of memory but we pass &hw->phy.autoneg_advertised which only has 16 bits and &hw->mac.fc which only has 8 bits. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Tomoya MORINAGA <tomoya.rohm@gmail.com> Signed-off-by:
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Darren Hart authored
commit 2b53d078 upstream. If the MAC is invalid or not implemented, do not abort the probe. Issue a warning and prevent bringing the interface up until a MAC is set manually (via ifconfig $IFACE hw ether $MAC). Tested on two platforms, one with a valid MAC, the other without a MAC. The real MAC is used if present, the interface fails to come up until the MAC is set on the other. They successfully get an IP over DHCP and pass a simple ping and login over ssh test. This is meant to allow the Inforce SYS940X development board: http://www.inforcecomputing.com/SYS940X_ECX.html (and others suffering from a missing MAC) to work with the mainline kernel. Without this patch, the probe will fail and the interface will not be created, preventing the user from configuring the MAC manually. This does not make any attempt to address a missing or invalid MAC for the pch_phub driver. Signed-off-by:
Darren Hart <dvhart@linux.intel.com> CC: Arjan van de Ven <arjan@linux.intel.com> CC: Alan Cox <alan@linux.intel.com> CC: Tomoya MORINAGA <tomoya.rohm@gmail.com> CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: "David S. Miller" <davem@davemloft.net> CC: Paul Gortmaker <paul.gortmaker@windriver.com> CC: Jon Mason <jdmason@kudzu.us> CC: netdev@vger.kernel.org CC: Mark Brown <broonie@opensource.wolfsonmicro.com> CC: David Laight <David.Laight@ACULAB.COM> CC: Joe Perches <joe@perches.com> Signed-off-by:
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Toshiharu Okada authored
commit 5f3a1141 upstream. When a link was downed during network use, there is an issue on which PC freezes. This patch fixed this issue. Signed-off-by:
Toshiharu Okada <toshiharu-linux@dsn.okisemi.com> Signed-off-by:
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Toshiharu Okada authored
commit 7756332f upstream. Support new device OKI SEMICONDUCTOR ML7831 IOH(Input/Output Hub) ML7831 is for general purpose use. ML7831 is companion chip for Intel Atom E6xx series. ML7831 is completely compatible for Intel EG20T PCH. Signed-off-by:
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Toshiharu Okada authored
commit 5229d87e upstream. This patch fixed the issue which receives an unnecessary packet before link When using PHY of GMII, an unnecessary packet is received, And it becomes impossible to receive a packet after link up. Signed-off-by:
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Tomoya MORINAGA authored
commit 868fea05 upstream. ML7831 is companion chip for Intel Atom E6xx series. Signed-off-by:
Grant Likely <grant.likely@secretlab.ca> Signed-off-by:
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