- 05 Nov, 2014 12 commits
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James Ralston authored
commit 1b071a09 upstream. This patch adds the AHCI mode SATA Device IDs for the Intel 9 Series PCH. Signed-off-by:
James Ralston <james.d.ralston@intel.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk>
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Mathias Krause authored
commit bbe1c274 upstream. The __init annotations for the DMI callback functions are wrong as this code can be called even after the module has been initialized, e.g. like this: # echo 1 > /sys/bus/pci/devices/0000:00:02.0/remove # modprobe i915 # echo 1 > /sys/bus/pci/rescan The first command will remove the PCI device from the kernel's device list so the second command won't see it right away. But as it registers a PCI driver it'll see it on the third command. If the system happens to match one of the DMI table entries we'll try to call a function in long released memory and generate an Oops, at best. Fix this by removing the bogus annotation. Modpost should have caught that one but it ignores section reference mismatches from the .rodata section. :/ Fixes: 25e341cf ("drm/i915: quirk away broken OpRegion VBT") Fixes: 8ca4013d ("CHROMIUM: i915: Add DMI override to skip CRT...") Fixes: 425d244c ("drm/i915: ignore LVDS on intel graphics systems...") Signed-off-by:
Mathias Krause <minipli@googlemail.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Duncan Laurie <dlaurie@chromium.org> Cc: Jarod Wilson <jarod@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> # Can modpost be fixed? Signed-off-by:
Jani Nikula <jani.nikula@intel.com> [bwh: Backported to 3.2: drop inapplicable change in intel_crt.c] Signed-off-by:
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Mark Brown authored
commit 5844a8b9 upstream. A previous over-zealous factorisation of code means that we only treat registers as volatile if they are readable. For most devices this is fine since normally most registers can be read and volatility implies readability but for format_write() devices where there is no readback from the hardware and we use volatility to mean simply uncacheability this means that we end up treating all registers as cacheble. A bigger refactoring of the code to clarify this is in order but as a fix make a minimal change and only check readability when checking volatility if there is no format_write() operation defined for the device. Signed-off-by:
Mark Brown <broonie@linaro.org> Tested-by:
Lars-Peter Clausen <lars@metafoo.de> Signed-off-by:
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Wolfram Sang authored
commit 4191f197 upstream. Using .format_write means, we have a custom function to write to the chip, but not to read back. Also, mark registers as "not precious" and "not volatile" which is implicit because we cannot read them. Make those functions use 'regmap_readable' to reuse the checks done there. Signed-off-by:
Wolfram Sang <w.sang@pengutronix.de> Signed-off-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by:
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Aurelien Jarno authored
commit 29593fd5 upstream. Commit dc4d7b37 (MIPS: ZBOOT: gather string functions into string.c) moved the string related functions into a separate file, which might cause the following build error, depending on the configuration: | CC arch/mips/boot/compressed/decompress.o | In file included from linux/arch/mips/boot/compressed/../../../../lib/decompress_unxz.c:234:0, | from linux/arch/mips/boot/compressed/decompress.c:67: | linux/arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c: In function 'fill_temp': | linux/arch/mips/boot/compressed/../../../../lib/xz/xz_dec_stream.c:162:2: error: implicit declaration of function 'memcpy' [-Werror=implicit-function-declaration] | cc1: some warnings being treated as errors | linux/scripts/Makefile.build:308: recipe for target 'arch/mips/boot/compressed/decompress.o' failed | make[6]: *** [arch/mips/boot/compressed/decompress.o] Error 1 | linux/arch/mips/Makefile:308: recipe for target 'vmlinuz' failed It does not fail with the standard configuration, as when CONFIG_DYNAMIC_DEBUG is not enabled <linux/string.h> gets included in include/linux/dynamic_debug.h. There might be other ways for it to get indirectly included. We can't add the include directly in xz_dec_stream.c as some architectures might want to use a different version for the boot/ directory (see for example arch/x86/boot/string.h). Signed-off-by:
Aurelien Jarno <aurelien@aurel32.net> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7420/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Larry Finger authored
commit c6651716 upstream. The Sitecom WLA-2102 adapter uses this driver. Reported-by:
Nico Baggus <nico-linux@noci.xs4all.nl> Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Cc: Nico Baggus <nico-linux@noci.xs4all.nl> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Christian Borntraeger authored
commit 614a80e4 upstream. In the early days, we had some special handling for the KVM_EXIT_S390_SIEIC exit, but this was gone in 2009 with commit d7b0b5eb (KVM: s390: Make psw available on all exits, not just a subset). Now this switch statement is just a sanity check for userspace not messing with the kvm_run structure. Unfortunately, this allows userspace to trigger a kernel BUG. Let's just remove this switch statement. Signed-off-by:
Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by:
Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by:
David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by:
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Alban Crequy authored
' commit 71b1fb5c upstream. /proc/<pid>/cgroup contains one cgroup path on each line. If cgroup names are allowed to contain "\n", applications cannot parse /proc/<pid>/cgroup safely. Signed-off-by:
Alban Crequy <alban.crequy@collabora.co.uk> Signed-off-by:
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Honggang Li authored
commit 3189eddb upstream. Currently, only SMP system free the percpu allocation info. Uniprocessor system should free it too. For example, one x86 UML virtual machine with 256MB memory, UML kernel wastes one page memory. Signed-off-by:
Honggang Li <enjoymindful@gmail.com> Signed-off-by:
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Tejun Heo authored
commit 849f5169 upstream. If pcpu_map_pages() fails midway, it unmaps the already mapped pages. Currently, it doesn't flush tlb after the partial unmapping. This may be okay in most cases as the established mapping hasn't been used at that point but it can go wrong and when it goes wrong it'd be extremely difficult to track down. Flush tlb after the partial unmapping. Signed-off-by:
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Tejun Heo authored
commit f0d27965 upstream. When pcpu_alloc_pages() fails midway, pcpu_free_pages() is invoked to free what has already been allocated. The invocation is across the whole requested range and pcpu_free_pages() will try to free all non-NULL pages; unfortunately, this is incorrect as pcpu_get_pages_and_bitmap(), unlike what its comment suggests, doesn't clear the pages array and thus the array may have entries from the previous invocations making the partial failure path free incorrect pages. Fix it by open-coding the partial freeing of the already allocated pages. Signed-off-by:
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Eliad Peller authored
commit a5fe8e76 upstream. alpha2 is defined as 2-chars array, but is used in multiple places as string (e.g. with nla_put_string calls), which might leak kernel data. Solve it by simply adding an extra char for the NULL terminator, making such operations safe. Signed-off-by:
Eliad Peller <eliadx.peller@intel.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> [bwh: Backported to 3.2: adjust context] Signed-off-by:
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- 13 Sep, 2014 28 commits
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Ben Hutchings authored
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Michal Simek authored
commit 00708d42 upstream. When building with latest binutils, vmlinux includes some sections which need to be stripped out when building the binary image. Signed-off-by:
Michal Simek <monstr@monstr.eu> Signed-off-by:
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Boris Ostrovsky authored
commit 8762e509 upstream. init_espfix_ap() is currently off by one level when informing hypervisor that allocated pages will be used for ministacks' page tables. The most immediate effect of this on a PV guest is that if 'stack_page = __get_free_page()' returns a non-zeroed-out page the hypervisor will refuse to use it for a page table (which it shouldn't be anyway). This will result in warnings by both Xen and Linux. More importantly, a subsequent write to that page (again, by a PV guest) is likely to result in fatal page fault. Signed-off-by:
Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: http://lkml.kernel.org/r/1404926298-5565-1-git-send-email-boris.ostrovsky@oracle.comReviewed-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by:
H. Peter Anvin <hpa@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Andy Lutomirski authored
commit 7209a75d upstream. This moves the espfix64 logic into native_iret. To make this work, it gets rid of the native patch for INTERRUPT_RETURN: INTERRUPT_RETURN on native kernels is now 'jmp native_iret'. This changes the 16-bit SS behavior on Xen from OOPSing to leaking some bits of the Xen hypervisor's RSP (I think). [ hpa: this is a nonzero cost on native, but probably not enough to measure. Xen needs to fix this in their own code, probably doing something equivalent to espfix64. ] Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Link: http://lkml.kernel.org/r/7b8f1d8ef6597cb16ae004a43c56980a7de3cf94.1406129132.git.luto@amacapital.netSigned-off-by:
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H. Peter Anvin authored
commit 34273f41 upstream. Embedded systems, which may be very memory-size-sensitive, are extremely unlikely to ever encounter any 16-bit software, so make it a CONFIG_EXPERT option to turn off support for any 16-bit software whatsoever. Signed-off-by:
H. Peter Anvin <hpa@zytor.com> Link: http://lkml.kernel.org/r/1398816946-3351-1-git-send-email-hpa@linux.intel.comSigned-off-by:
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H. Peter Anvin authored
commit 197725de upstream. Make espfix64 a hidden Kconfig option. This fixes the x86-64 UML build which had broken due to the non-existence of init_espfix_bsp() in UML: since UML uses its own Kconfig, this option does not appear in the UML build. This also makes it possible to make support for 16-bit segments a configuration option, for the people who want to minimize the size of the kernel. Reported-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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H. Peter Anvin authored
commit 20b68535 upstream. Header guard is #ifndef, not #ifdef... Reported-by:
Fengguang Wu <fengguang.wu@intel.com> Signed-off-by:
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H. Peter Anvin authored
commit e1fe9ed8 upstream. Sparse warns that the percpu variables aren't declared before they are defined. Rather than hacking around it, move espfix definitions into a proper header file. Reported-by:
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H. Peter Anvin authored
commit 3891a04a upstream. The IRET instruction, when returning to a 16-bit segment, only restores the bottom 16 bits of the user space stack pointer. This causes some 16-bit software to break, but it also leaks kernel state to user space. We have a software workaround for that ("espfix") for the 32-bit kernel, but it relies on a nonzero stack segment base which is not available in 64-bit mode. In checkin: b3b42ac2 x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels we "solved" this by forbidding 16-bit segments on 64-bit kernels, with the logic that 16-bit support is crippled on 64-bit kernels anyway (no V86 support), but it turns out that people are doing stuff like running old Win16 binaries under Wine and expect it to work. This works around this by creating percpu "ministacks", each of which is mapped 2^16 times 64K apart. When we detect that the return SS is on the LDT, we copy the IRET frame to the ministack and use the relevant alias to return to userspace. The ministacks are mapped readonly, so if IRET faults we promote #GP to #DF which is an IST vector and thus has its own stack; we then do the fixup in the #DF handler. (Making #GP an IST exception would make the msr_safe functions unsafe in NMI/MC context, and quite possibly have other effects.) Special thanks to: - Andy Lutomirski, for the suggestion of using very small stack slots and copy (as opposed to map) the IRET frame there, and for the suggestion to mark them readonly and let the fault promote to #DF. - Konrad Wilk for paravirt fixup and testing. - Borislav Petkov for testing help and useful comments. Reported-by:
Brian Gerst <brgerst@gmail.com> Signed-off-by:
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H. Peter Anvin authored
commit 7ed6fb9b upstream. This reverts commit fa81511b in preparation of merging in the proper fix (espfix64). Signed-off-by:
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Sam Ravnborg authored
commit cbf1ef6b upstream. In sparc headers we use the following pattern: #if defined(__sparc__) && defined(__arch64__) sparc64 specific stuff #else sparc32 specific stuff #endif In types.h this pattern was not followed and here we only checked for __sparc__ for no good reason. It was a left-over from long time ago. I checked other architectures - and most of them do not have any such checks. And all the recently merged versions uses the asm-generic version. Signed-off-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
Guenter Roeck <linux@roeck-us.net> [bwh: Guenter backported this to 3.2: - Adjusted filenames, context - There's no duplicate export of types.h to delete] Signed-off-by:
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Andi Kleen authored
commit e7b691b0 upstream. slab_node() could access current->mempolicy from interrupt context. However there's a race condition during exit where the mempolicy is first freed and then the pointer zeroed. Using this from interrupts seems bogus anyways. The interrupt will interrupt a random process and therefore get a random mempolicy. Many times, this will be idle's, which noone can change. Just disable this here and always use local for slab from interrupts. I also cleaned up the callers of slab_node a bit which always passed the same argument. I believe the original mempolicy code did that in fact, so it's likely a regression. v2: send version with correct logic v3: simplify. fix typo. Reported-by:
Arun Sharma <asharma@fb.com> Cc: penberg@kernel.org Cc: cl@linux.com Signed-off-by:
Andi Kleen <ak@linux.intel.com> [tdmackey@twitter.com: Rework control flow based on feedback from cl@linux.com, fix logic, and cleanup current task_struct reference] Acked-by:
David Rientjes <rientjes@google.com> Acked-by:
Christoph Lameter <cl@linux.com> Acked-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
David Mackey <tdmackey@twitter.com> Signed-off-by:
Pekka Enberg <penberg@kernel.org> Signed-off-by:
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Andrey Utkin authored
[ Upstream commit 093758e3 ] This commit is a guesswork, but it seems to make sense to drop this break, as otherwise the following line is never executed and becomes dead code. And that following line actually saves the result of local calculation by the pointer given in function argument. So the proposed change makes sense if this code in the whole makes sense (but I am unable to analyze it in the whole). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=81641Reported-by:
David Binderman <dcb314@hotmail.com> Signed-off-by:
Andrey Utkin <andrey.krieger.utkin@gmail.com> Signed-off-by:
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Sowmini Varadhan authored
[ Upstream commit 4ec1b010 ] The LDC handshake could have been asynchronously triggered after ldc_bind() enables the ldc_rx() receive interrupt-handler (and thus intercepts incoming control packets) and before vio_port_up() calls ldc_connect(). If that is the case, ldc_connect() should return 0 and let the state-machine progress. Signed-off-by:
Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by:
Karl Volz <karl.volz@oracle.com> Signed-off-by:
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Christopher Alexander Tobias Schulze authored
[ Upstream commit fe418231 ] Fix detection of BREAK on sunsab serial console: BREAK detection was only performed when there were also serial characters received simultaneously. To handle all BREAKs correctly, the check for BREAK and the corresponding call to uart_handle_break() must also be done if count == 0, therefore duplicate this code fragment and pull it out of the loop over the received characters. Patch applies to 3.16-rc6. Signed-off-by:
Christopher Alexander Tobias Schulze <cat.schulze@alice-dsl.net> Signed-off-by:
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Christopher Alexander Tobias Schulze authored
[ Upstream commit 5cdceab3 ] Fix regression in bbc i2c temperature and fan control on some Sun systems that causes the driver to refuse to load due to the bbc_i2c_bussel resource not being present on the (second) i2c bus where the temperature sensors and fan control are located. (The check for the number of resources was removed when the driver was ported to a pure OF driver in mid 2008.) Signed-off-by:
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David S. Miller authored
[ Upstream commit 4ca9a237 ] Based almost entirely upon a patch by Christopher Alexander Tobias Schulze. In commit db64fe02 ("mm: rewrite vmap layer") lazy VMAP tlb flushing was added to the vmalloc layer. This causes problems on sparc64. Sparc64 has two VMAP mapped regions and they are not contiguous with eachother. First we have the malloc mapping area, then another unrelated region, then the vmalloc region. This "another unrelated region" is where the firmware is mapped. If the lazy TLB flushing logic in the vmalloc code triggers after we've had both a module unload and a vfree or similar, it will pass an address range that goes from somewhere inside the malloc region to somewhere inside the vmalloc region, and thus covering the openfirmware area entirely. The sparc64 kernel learns about openfirmware's dynamic mappings in this region early in the boot, and then services TLB misses in this area. But openfirmware has some locked TLB entries which are not mentioned in those dynamic mappings and we should thus not disturb them. These huge lazy TLB flush ranges causes those openfirmware locked TLB entries to be removed, resulting in all kinds of problems including hard hangs and crashes during reboot/reset. Besides causing problems like this, such huge TLB flush ranges are also incredibly inefficient. A plea has been made with the author of the VMAP lazy TLB flushing code, but for now we'll put a safety guard into our flush_tlb_kernel_range() implementation. Since the implementation has become non-trivial, stop defining it as a macro and instead make it a function in a C source file. Signed-off-by:
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David S. Miller authored
[ Upstream commit 18f38132 ] The assumption was that update_mmu_cache() (and the equivalent for PMDs) would only be called when the PTE being installed will be accessible by the user. This is not true for code paths originating from remove_migration_pte(). There are dire consequences for placing a non-valid PTE into the TSB. The TLB miss frramework assumes thatwhen a TSB entry matches we can just load it into the TLB and return from the TLB miss trap. So if a non-valid PTE is in there, we will deadlock taking the TLB miss over and over, never satisfying the miss. Just exit early from update_mmu_cache() and friends in this situation. Based upon a report and patch from Christopher Alexander Tobias Schulze. Signed-off-by:
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David S. Miller authored
[ Upstream commit 5aa4ecfd ] This is the prevent previous stores from overlapping the block stores done by the memcpy loop. Based upon a glibc patch by Jose E. Marchesi Signed-off-by:
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David S. Miller authored
[ Upstream commit b18eb2d7 ] Access to the TSB hash tables during TLB misses requires that there be an atomic 128-bit quad load available so that we fetch a matching TAG and DATA field at the same time. On cpus prior to UltraSPARC-III only virtual address based quad loads are available. UltraSPARC-III and later provide physical address based variants which are easier to use. When we only have virtual address based quad loads available this means that we have to lock the TSB into the TLB at a fixed virtual address on each cpu when it runs that process. We can't just access the PAGE_OFFSET based aliased mapping of these TSBs because we cannot take a recursive TLB miss inside of the TLB miss handler without risking running out of hardware trap levels (some trap combinations can be deep, such as those generated by register window spill and fill traps). Without huge pages it's working perfectly fine, but when the huge TSB got added another chunk of fixed virtual address space was not allocated for this second TSB mapping. So we were mapping both the 8K and 4MB TSBs to the same exact virtual address, causing multiple TLB matches which gives undefined behavior. Signed-off-by:
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David S. Miller authored
[ Upstream commit e5c460f4 ] This was found using Dave Jone's trinity tool. When a user process which is 32-bit performs a load or a store, the cpu chops off the top 32-bits of the effective address before translating it. This is because we run 32-bit tasks with the PSTATE_AM (address masking) bit set. We can't run the kernel with that bit set, so when the kernel accesses userspace no address masking occurs. Since a 32-bit process will have no mappings in that region we will properly fault, so we don't try to handle this using access_ok(), which can safely just be a NOP on sparc64. Real faults from 32-bit processes should never generate such addresses so a bug check was added long ago, and it barks in the logs if this happens. But it also barks when a kernel user access causes this condition, and that _can_ happen. For example, if a pointer passed into a system call is "0xfffffffc" and the kernel access 4 bytes offset from that pointer. Just handle such faults normally via the exception entries. Signed-off-by:
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David S. Miller authored
[ Upstream commit 70ffc6eb ] Make get_user_insn() able to cope with huge PMDs. Next, make do_fault_siginfo() more robust when get_user_insn() can't actually fetch the instruction. In particular, use the MMU announced fault address when that happens, instead of calling compute_effective_address() and computing garbage. Signed-off-by:
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David S. Miller authored
[ Upstream commit d037d163 ] If we have a 32-bit task we must chop off the top 32-bits of the 64-bit value just as the cpu would. Signed-off-by:
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Kirill Tkhai authored
[ Upstream commit 49b6c01f ] One more place where we must not be able to be preempted or to be interrupted in RT. Always actually disable interrupts during synchronization cycle. Signed-off-by:
Kirill Tkhai <tkhai@yandex.ru> Signed-off-by:
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David S. Miller authored
[ Upstream commit aa3449ee ] Only the second argument, 'op', is signed. Signed-off-by:
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Eric Dumazet authored
[ Upstream commit 757efd32 ] Dave reported following splat, caused by improper use of IP_INC_STATS_BH() in process context. BUG: using __this_cpu_add() in preemptible [00000000] code: trinity-c117/14551 caller is __this_cpu_preempt_check+0x13/0x20 CPU: 3 PID: 14551 Comm: trinity-c117 Not tainted 3.16.0+ #33 ffffffff9ec898f0 0000000047ea7e23 ffff88022d32f7f0 ffffffff9e7ee207 0000000000000003 ffff88022d32f818 ffffffff9e397eaa ffff88023ee70b40 ffff88022d32f970 ffff8801c026d580 ffff88022d32f828 ffffffff9e397ee3 Call Trace: [<ffffffff9e7ee207>] dump_stack+0x4e/0x7a [<ffffffff9e397eaa>] check_preemption_disabled+0xfa/0x100 [<ffffffff9e397ee3>] __this_cpu_preempt_check+0x13/0x20 [<ffffffffc0839872>] sctp_packet_transmit+0x692/0x710 [sctp] [<ffffffffc082a7f2>] sctp_outq_flush+0x2a2/0xc30 [sctp] [<ffffffff9e0d985c>] ? mark_held_locks+0x7c/0xb0 [<ffffffff9e7f8c6d>] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [<ffffffffc082b99a>] sctp_outq_uncork+0x1a/0x20 [sctp] [<ffffffffc081e112>] sctp_cmd_interpreter.isra.23+0x1142/0x13f0 [sctp] [<ffffffffc081c86b>] sctp_do_sm+0xdb/0x330 [sctp] [<ffffffff9e0b8f1b>] ? preempt_count_sub+0xab/0x100 [<ffffffffc083b350>] ? sctp_cname+0x70/0x70 [sctp] [<ffffffffc08389ca>] sctp_primitive_ASSOCIATE+0x3a/0x50 [sctp] [<ffffffffc083358f>] sctp_sendmsg+0x88f/0xe30 [sctp] [<ffffffff9e0d673a>] ? lock_release_holdtime.part.28+0x9a/0x160 [<ffffffff9e0d62ce>] ? put_lock_stats.isra.27+0xe/0x30 [<ffffffff9e73b624>] inet_sendmsg+0x104/0x220 [<ffffffff9e73b525>] ? inet_sendmsg+0x5/0x220 [<ffffffff9e68ac4e>] sock_sendmsg+0x9e/0xe0 [<ffffffff9e1c0c09>] ? might_fault+0xb9/0xc0 [<ffffffff9e1c0bae>] ? might_fault+0x5e/0xc0 [<ffffffff9e68b234>] SYSC_sendto+0x124/0x1c0 [<ffffffff9e0136b0>] ? syscall_trace_enter+0x250/0x330 [<ffffffff9e68c3ce>] SyS_sendto+0xe/0x10 [<ffffffff9e7f9be4>] tracesys+0xdd/0xe2 This is a followup of commits f1d8cba6 ("inet: fix possible seqlock deadlocks") and 7f88c6b2 ("ipv6: fix possible seqlock deadlock in ip6_finish_output2") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Reported-by:
Dave Jones <davej@redhat.com> Acked-by:
Neil Horman <nhorman@tuxdriver.com> Acked-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
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Sasha Levin authored
[ Upstream commit 06ebb06d ] Check for cases when the caller requests 0 bytes instead of running off and dereferencing potentially invalid iovecs. Signed-off-by:
Sasha Levin <sasha.levin@oracle.com> Signed-off-by:
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Vlad Yasevich authored
[ Upstream commit 081e83a7 ] Macvlan devices do not initialize vlan_features. As a result, any vlan devices configured on top of macvlans perform very poorly. Initialize vlan_features based on the vlan features of the lower-level device. Signed-off-by:
Vlad Yasevich <vyasevic@redhat.com> Signed-off-by:
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