- 12 Mar, 2017 40 commits
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Hannes Reinecke authored
commit eb72d0bb upstream. sd_check_events() is called asynchronously, and might race with device removal. So always take a disk reference when processing the event to avoid the device being removed while the event is processed. Signed-off-by:
Hannes Reinecke <hare@suse.de> Reviewed-by:
Ewan D. Milne <emilne@redhat.com> Reviewed-by:
Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com> Cc: Jinpu Wang <jinpu.wang@profitbricks.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Hannes Reinecke authored
commit 857de6e0 upstream. The device handler needs to check if a given queue belongs to a scsi device; only then does it make sense to attach a device handler. [mkp: dropped flags] Signed-off-by:
Hannes Reinecke <hare@suse.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Raghava Aditya Renukunta authored
commit c421530b upstream. The driver currently checks the SELF_TEST_FAILED first and then KERNEL_PANIC next. Under error conditions(boot code failure) both SELF_TEST_FAILED and KERNEL_PANIC can be set at the same time. The driver has the capability to reset the controller on an KERNEL_PANIC, but not on SELF_TEST_FAILED. Fixed by first checking KERNEL_PANIC and then the others. Fixes: e8b12f0f ([SCSI] aacraid: Add new code for PMC-Sierra's SRC base controller family) Signed-off-by:
Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> Reviewed-by:
David Carroll <David.Carroll@microsemi.com> Reviewed-by:
Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by:
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Long Li authored
commit 40630f46 upstream. On I/O errors, the Windows driver doesn't set data_transfer_length on error conditions other than SRB_STATUS_DATA_OVERRUN. In these cases we need to set data_transfer_length to 0, indicating there is no data transferred. On SRB_STATUS_DATA_OVERRUN, data_transfer_length is set by the Windows driver to the actual data transferred. Reported-by:
Shiva Krishna <Shiva.Krishna@nimblestorage.com> Signed-off-by:
Long Li <longli@microsoft.com> Reviewed-by:
K. Y. Srinivasan <kys@microsoft.com> Signed-off-by:
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Long Li authored
commit bba5dc33 upstream. When sense message is present on error, we should pass along to the upper layer to decide how to deal with the error. This patch fixes connectivity issues with Fiber Channel devices. Signed-off-by:
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Long Li authored
commit 3cd6d3d9 upstream. Properly set SRB flags when hosting device supports tagged queuing. This patch improves the performance on Fiber Channel disks. Signed-off-by:
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Mikulas Patocka authored
commit 60858318 upstream. Fixes: dfcfac3e ("dm stats: collect and report histogram of IO latencies") Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Joe Thornber authored
commit ca763d0a upstream. A rounding bug due to compiler generated temporary being 32bit was found in remap_to_cache(). A localized cast in remap_to_cache() fixes the corruption but this preferred fix (changing from uint32_t to sector_t) eliminates potential for future rounding errors elsewhere. Signed-off-by:
Joe Thornber <ejt@redhat.com> Signed-off-by:
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Davidlohr Bueso authored
commit 95e91b83 upstream. The issue is described here, with a nice testcase: https://bugzilla.kernel.org/show_bug.cgi?id=192931 The problem is that shmat() calls do_mmap_pgoff() with MAP_FIXED, and the address rounded down to 0. For the regular mmap case, the protection mentioned above is that the kernel gets to generate the address -- arch_get_unmapped_area() will always check for MAP_FIXED and return that address. So by the time we do security_mmap_addr(0) things get funky for shmat(). The testcase itself shows that while a regular user crashes, root will not have a problem attaching a nil-page. There are two possible fixes to this. The first, and which this patch does, is to simply allow root to crash as well -- this is also regular mmap behavior, ie when hacking up the testcase and adding mmap(... |MAP_FIXED). While this approach is the safer option, the second alternative is to ignore SHM_RND if the rounded address is 0, thus only having MAP_SHARED flags. This makes the behavior of shmat() identical to the mmap() case. The downside of this is obviously user visible, but does make sense in that it maintains semantics after the round-down wrt 0 address and mmap. Passes shm related ltp tests. Link: http://lkml.kernel.org/r/1486050195-18629-1-git-send-email-dave@stgolabs.netSigned-off-by:
Davidlohr Bueso <dbueso@suse.de> Reported-by:
Gareth Evans <gareth.evans@contextis.co.uk> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Michael Kerrisk <mtk.manpages@googlemail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
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Minchan Kim authored
commit dd8416c4 upstream. With rw_page, page_endio is used for completing IO on a page and it propagates write error to the address space if the IO fails. The problem is it accesses page->mapping directly which might be okay for file-backed pages but it shouldn't for anonymous page. Otherwise, it can corrupt one of field from anon_vma under us and system goes panic randomly. swap_writepage bdev_writepage ops->rw_page I encountered the BUG during developing new zram feature and it was really hard to figure it out because it made random crash, somtime mmap_sem lockdep, sometime other places where places never related to zram/zsmalloc, and not reproducible with some configuration. When I consider how that bug is subtle and people do fast-swap test with brd, it's worth to add stable mark, I think. Fixes: dd6bd0d9 ("swap: use bdev_read_page() / bdev_write_page()") Signed-off-by:
Minchan Kim <minchan@kernel.org> Acked-by:
Michal Hocko <mhocko@suse.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by:
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Vinayak Menon authored
commit e1587a49 upstream. At the end of a window period, if the reclaimed pages is greater than scanned, an unsigned underflow can result in a huge pressure value and thus a critical event. Reclaimed pages is found to go higher than scanned because of the addition of reclaimed slab pages to reclaimed in shrink_node without a corresponding increment to scanned pages. Minchan Kim mentioned that this can also happen in the case of a THP page where the scanned is 1 and reclaimed could be 512. Link: http://lkml.kernel.org/r/1486641577-11685-1-git-send-email-vinmenon@codeaurora.orgSigned-off-by:
Vinayak Menon <vinmenon@codeaurora.org> Acked-by:
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Gavin Shan authored
commit e02dc017 upstream. When @node_reclaim_node isn't 0, the page allocator tries to reclaim pages if the amount of free memory in the zones are below the low watermark. On Power platform, none of NUMA nodes are scanned for page reclaim because no nodes match the condition in zone_allows_reclaim(). On Power platform, RECLAIM_DISTANCE is set to 10 which is the distance of Node-A to Node-A. So the preferred node even won't be scanned for page reclaim. __alloc_pages_nodemask() get_page_from_freelist() zone_allows_reclaim() Anton proposed the test code as below: # cat alloc.c : int main(int argc, char *argv[]) { void *p; unsigned long size; unsigned long start, end; start = time(NULL); size = strtoul(argv[1], NULL, 0); printf("To allocate %ldGB memory\n", size); size <<= 30; p = malloc(size); assert(p); memset(p, 0, size); end = time(NULL); printf("Used time: %ld seconds\n", end - start); sleep(3600); return 0; } The system I use for testing has two NUMA nodes. Both have 128GB memory. In below scnario, the page caches on node#0 should be reclaimed when it encounters pressure to accommodate request of allocation. # echo 2 > /proc/sys/vm/zone_reclaim_mode; \ sync; \ echo 3 > /proc/sys/vm/drop_caches; \ # taskset -c 0 cat file.32G > /dev/null; \ grep FilePages /sys/devices/system/node/node0/meminfo Node 0 FilePages: 33619712 kB # taskset -c 0 ./alloc 128 # grep FilePages /sys/devices/system/node/node0/meminfo Node 0 FilePages: 33619840 kB # grep MemFree /sys/devices/system/node/node0/meminfo Node 0 MemFree: 186816 kB With the patch applied, the pagecache on node-0 is reclaimed when its free memory is running out. It's the expected behaviour. # echo 2 > /proc/sys/vm/zone_reclaim_mode; \ sync; \ echo 3 > /proc/sys/vm/drop_caches # taskset -c 0 cat file.32G > /dev/null; \ grep FilePages /sys/devices/system/node/node0/meminfo Node 0 FilePages: 33605568 kB # taskset -c 0 ./alloc 128 # grep FilePages /sys/devices/system/node/node0/meminfo Node 0 FilePages: 1379520 kB # grep MemFree /sys/devices/system/node/node0/meminfo Node 0 MemFree: 317120 kB Fixes: 5f7a75ac ("mm: page_alloc: do not cache reclaim distances") Link: http://lkml.kernel.org/r/1486532455-29613-1-git-send-email-gwshan@linux.vnet.ibm.comSigned-off-by:
Gavin Shan <gwshan@linux.vnet.ibm.com> Acked-by:
Mel Gorman <mgorman@suse.de> Acked-by:
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Ashok Raj authored
commit 21e722c4 upstream. The check to set identity map for tylersburg is done too late. It needs to be done before the check for identity_map domain is done. To: Joerg Roedel <joro@8bytes.org> To: David Woodhouse <dwmw2@infradead.org> Cc: iommu@lists.linux-foundation.org Cc: linux-kernel@vger.kernel.org Cc: Ashok Raj <ashok.raj@intel.com> Fixes: 86080ccc ("iommu/vt-d: Allocate si_domain in init_dmars()") Signed-off-by:
Ashok Raj <ashok.raj@intel.com> Reported-by:
Yunhong Jiang <yunhong.jiang@intel.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de> Signed-off-by:
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CQ Tang authored
commit aaa59306 upstream. Some of the macros are incorrect with wrong bit-shifts resulting in picking the incorrect invalidation granularity. Incorrect Source-ID in extended devtlb invalidation caused device side errors. To: Joerg Roedel <joro@8bytes.org> To: David Woodhouse <dwmw2@infradead.org> Cc: iommu@lists.linux-foundation.org Cc: linux-kernel@vger.kernel.org Cc: CQ Tang <cq.tang@intel.com> Cc: Ashok Raj <ashok.raj@intel.com> Fixes: 2f26e0a9 ("iommu/vt-d: Add basic SVM PASID support") Signed-off-by:
CQ Tang <cq.tang@intel.com> Signed-off-by:
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Leonard Crestez authored
commit e42a46b6 upstream. It is allowed to call regulator_get with a NULL dev argument (_regulator_get explicitly checks for it) but this causes an error later when printing /sys/kernel/debug/regulator_summary. Fix this by explicitly handling "deviceless" consumers in the debugfs code. Signed-off-by:
Leonard Crestez <leonard.crestez@nxp.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Arnd Bergmann authored
commit 6e017006 upstream. gcc-7 detects that wlanhdr_to_ethhdr() in two drivers calls memcpy() with a destination argument that an earlier function call may have set to NULL: staging/rtl8188eu/core/rtw_recv.c: In function 'wlanhdr_to_ethhdr': staging/rtl8188eu/core/rtw_recv.c:1318:2: warning: argument 1 null where non-null expected [-Wnonnull] staging/rtl8712/rtl871x_recv.c: In function 'r8712_wlanhdr_to_ethhdr': staging/rtl8712/rtl871x_recv.c:649:2: warning: argument 1 null where non-null expected [-Wnonnull] I'm fixing this by adding a NULL pointer check and returning failure from the function, which is hopefully already handled properly. This seems to date back to when the drivers were originally added, so backporting the fix to stable seems appropriate. There are other related realtek drivers in the kernel, but none of them contain a function with a similar name or produce this warning. Fixes: 1cc18a22 ("staging: r8188eu: Add files for new driver - part 5") Fixes: 2865d42c ("staging: r8712u: Add the new driver to the mainline kernel") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Hui Wang authored
commit 29693efc upstream. On this machine, the micmute button is connected to Line2 of the codec and the micmute led is connected to GPIO2 of the codec. After applying this quirk, both hotkey and led work well. Signed-off-by:
Hui Wang <hui.wang@canonical.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Takashi Iwai authored
commit 493de342 upstream. Dell Inspiron 17 7000 Gaming laptop needs a similar quirk like Inspiron 7599 to support its subwoofer speaker. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=194191Signed-off-by:
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Takashi Iwai authored
commit f3ac9f73 upstream. The sequencer FIFO management has a bug that may lead to a corruption (shortage) of the cell linked list. When a sequencer client faces an error at the event delivery, it tries to put back the dequeued cell. When the first queue was put back, this forgot the tail pointer tracking, and the link will be screwed up. Although there is no memory corruption, the sequencer client may stall forever at exit while flushing the pending FIFO cells in snd_seq_pool_done(), as spotted by syzkaller. This patch addresses the missing tail pointer tracking at snd_seq_fifo_cell_putback(). Also the patch makes sure to clear the cell->enxt pointer at snd_seq_fifo_event_in() for avoiding a similar mess-up of the FIFO linked list. Reported-by:
Dmitry Vyukov <dvyukov@google.com> Signed-off-by:
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Takashi Iwai authored
commit 15c75b09 upstream. Currently ctxfi driver tries to set only the 64bit DMA mask on 64bit architectures, and bails out if it fails. This causes a problem on some platforms since the 64bit DMA isn't always guaranteed. We should fall back to the default 32bit DMA when 64bit DMA fails. Fixes: 6d74b86d ("ALSA: ctxfi - Allow 64bit DMA") Signed-off-by:
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Takashi Iwai authored
commit 71321eb3 upstream. When a user sets a too small ticks with a fine-grained timer like hrtimer, the kernel tries to fire up the timer irq too frequently. This may lead to the condensed locks, eventually the kernel spinlock lockup with warnings. For avoiding such a situation, we define a lower limit of the resolution, namely 1ms. When the user passes a too small tick value that results in less than that, the kernel returns -EINVAL now. Reported-by:
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Jaroslav Kysela authored
commit e7480b34 upstream. Like for Sunrise Point, the total stream number of Lewisburg's input and output stream exceeds 15 (GCAP is 0x9701), which will cause some streams do not work because of the overflow on SDxCTL.STRM field if using the legacy stream tag allocation method. Fixes: 5cf92c8b ("ALSA: hda - Add Intel Lewisburg device IDs Audio") Signed-off-by:
Jaroslav Kysela <perex@perex.cz> Signed-off-by:
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Kai-Heng Feng authored
commit 9f1bc2c4 upstream. The issue is the same as "dd9aa335 ALSA: hda/realtek - Can't adjust speaker's volume on a Dell AIO", the output requires to connect to a node with Amp-out capability. Applying the same fixup "ALC298_FIXUP_SPK_VOLUME" can fix the issue. Signed-off-by:
Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by:
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Alexandre Belloni authored
commit 78162d48 upstream. Enable DMA on uart1 to get a more reliable console. Acked-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by:
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Alexandre Belloni authored
commit ef8d02d4 upstream. Enable DMA on usart3 to get a more reliable console. This is especially useful for automation and kernelci were a kernel with PROVE_LOCKING enabled is quite susceptible to character loss, resulting in tests failure. Acked-by:
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Alexandre Belloni authored
commit e3f0a401 upstream. The Atmel MPDDR controller support LPDDR2 and LPDDR3 memories, add their types. Signed-off-by:
Sebastian Reichel <sre@kernel.org> Signed-off-by:
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Randy Dunlap authored
commit e3bb3cdd upstream. Fix dm1105 build error when CONFIG_I2C_ALGOBIT=m and CONFIG_DVB_DM1105=y. drivers/built-in.o: In function `dm1105_probe': dm1105.c:(.text+0x2836e7): undefined reference to `i2c_bit_add_bus' Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Reported-by:
kbuild test robot <fengguang.wu@intel.com> Cc: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by:
Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by:
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Guennadi Liakhovetski authored
commit 17c341ec upstream. Don't mix up UVC_BUF_STATE_* and VB2_BUF_STATE_* codes. Fixes: 6998b6fb ("[media] uvcvideo: Use videobuf2-vmalloc") Signed-off-by:
Guennadi Liakhovetski <guennadi.liakhovetski@intel.com> Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Nicolas Iooss authored
commit 6ebf7577 upstream. In vpfe_s_fmt(), when the sensor format and the requested format were the same, bpp was assigned to vpfe->bpp without being initialized first. Grab the bpp value that is currently used by using __vpfe_get_format() instead of its wrapper, vpfe_try_fmt(). This use of uninitialized variable has been found by compiling the kernel with clang. Fixes: 417d2e50 ("[media] media: platform: add VPFE capture driver support for AM437X") Signed-off-by:
Nicolas Iooss <nicolas.iooss_linux@m4x.org> Signed-off-by:
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Paul Burton authored
commit 096a0de4 upstream. is_jump_ins() checks for plain jump ("j") instructions since commit e7438c4b ("MIPS: Fix sibling call handling in get_frame_info") but that commit didn't make the same change to the microMIPS code, leaving it inconsistent with the MIPS32/MIPS64 code. Handle the microMIPS encoding of the jump instruction too such that it behaves consistently. Signed-off-by:
Paul Burton <paul.burton@imgtec.com> Fixes: e7438c4b ("MIPS: Fix sibling call handling in get_frame_info") Cc: Tony Wu <tung7970@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14533/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Paul Burton authored
commit bb9bc468 upstream. get_frame_info() calculates the offset of the return address within a stack frame simply by dividing a the bottom 16 bits of the instruction, treated as a signed integer, by the size of a long. Whilst this works for MIPS32 & MIPS64 ISAs where the sw or sd instructions are used, it's incorrect for microMIPS where encodings differ. The result is that we typically completely fail to unwind the stack on microMIPS. Fix this by adjusting is_ra_save_ins() to calculate the return address offset, and take into account the various different encodings there in the same place as we consider whether an instruction is storing the ra/$31 register. With this we are now able to unwind the stack for kernels targetting the microMIPS ISA, for example we can produce: Call Trace: [<80109e1f>] show_stack+0x63/0x7c [<8011ea17>] __warn+0x9b/0xac [<8011ea45>] warn_slowpath_fmt+0x1d/0x20 [<8013fe53>] register_console+0x43/0x314 [<8067c58d>] of_setup_earlycon+0x1dd/0x1ec [<8067f63f>] early_init_dt_scan_chosen_stdout+0xe7/0xf8 [<8066c115>] do_early_param+0x75/0xac [<801302f9>] parse_args+0x1dd/0x308 [<8066c459>] parse_early_options+0x25/0x28 [<8066c48b>] parse_early_param+0x2f/0x38 [<8066e8cf>] setup_arch+0x113/0x488 [<8066c4f3>] start_kernel+0x57/0x328 ---[ end trace 0000000000000000 ]--- Whereas previously we only produced: Call Trace: [<80109e1f>] show_stack+0x63/0x7c ---[ end trace 0000000000000000 ]--- Signed-off-by:
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Paul Burton authored
commit 67c75057 upstream. is_jump_ins() checks 16b instruction fields without verifying that the instruction is indeed 16b, as is done by is_ra_save_ins() & is_sp_move_ins(). Add the appropriate check. Signed-off-by:
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Paul Burton authored
commit b6c7a324 upstream. get_frame_info() is meant to iterate over up to the first 128 instructions within a function, but for microMIPS kernels it will not reach that many instructions unless the function is 512 bytes long since we calculate the maximum number of instructions to check by dividing the function length by the 4 byte size of a union mips_instruction. In microMIPS kernels this won't do since instructions are variable length. Fix this by instead checking whether the pointer to the current instruction has reached the end of the function, and use max_insns as a simple constant to check the number of iterations against. Signed-off-by:
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Paul Burton authored
commit a3552dac upstream. During stack unwinding we call a number of functions to determine what type of instruction we're looking at. The union mips_instruction pointer provided to them may be pointing at a 2 byte, but not 4 byte, aligned address & we thus cannot directly access the 4 byte wide members of the union mips_instruction. To avoid this is_ra_save_ins() copies the required half-words of the microMIPS instruction to a correctly aligned union mips_instruction on the stack, which it can then access safely. The is_jump_ins() & is_sp_move_ins() functions do not correctly perform this temporary copy, and instead attempt to directly dereference 4 byte fields which may be misaligned and lead to an address exception. Fix this by copying the instruction halfwords to a temporary union mips_instruction in get_frame_info() such that we can provide a 4 byte aligned union mips_instruction to the is_*_ins() functions and they do not need to deal with misalignment themselves. Signed-off-by:
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Paul Burton authored
commit ccaf7caf upstream. get_frame_info() can be called in microMIPS kernels with the ISA bit already clear. For example this happens when unwind_stack_by_address() is called because we begin with a PC that has the ISA bit set & subtract the (odd) offset from the preceding symbol (which does not have the ISA bit set). Since get_frame_info() unconditionally subtracts 1 from the PC in microMIPS kernels it incorrectly misaligns the address it then attempts to access code at, leading to an address error exception. Fix this by using msk_isa16_mode() to clear the ISA bit, which allows get_frame_info() to function regardless of whether it is provided with a PC that has the ISA bit set or not. Signed-off-by:
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Felix Fietkau authored
commit 774f0c64 upstream. Disabling ethernet during reboot (only to enable it again when the ethernet driver attaches) can put the chip into a faulty state where it corrupts the header of all incoming packets. This happens if packets arrive during the time window where the core is disabled, and it can be easily reproduced by rebooting while sending a flood ping to the broadcast address. Fixes: 95135bfa ("MIPS: Lantiq: Deactivate most of the devices by default") Signed-off-by:
Felix Fietkau <nbd@nbd.name> Acked-by:
John Crispin <john@phrozen.org> Cc: hauke.mehrtens@lantiq.com Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15078/Signed-off-by:
James Hogan <james.hogan@imgtec.com> Signed-off-by:
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James Cowgill authored
commit 884b4269 upstream. If copy_from_user is called with a large buffer (>= 128 bytes) and the userspace buffer refers partially to unreadable memory, then it is possible for Octeon's copy_from_user to report the wrong number of bytes have been copied. In the case where the buffer size is an exact multiple of 128 and the fault occurs in the last 64 bytes, copy_from_user will report that all the bytes were copied successfully but leave some garbage in the destination buffer. The bug is in the main __copy_user_common loop in octeon-memcpy.S where in the middle of the loop, src and dst are incremented by 128 bytes. The l_exc_copy fault handler is used after this but that assumes that "src < THREAD_BUADDR($28)". This is not the case if src has already been incremented. Fix by adding an extra fault handler which rewinds the src and dst pointers 128 bytes before falling though to l_exc_copy. Thanks to the pwritev test from the strace test suite for originally highlighting this bug! Fixes: 5b3b1688 ("MIPS: Add Cavium OCTEON processor support ...") Signed-off-by:
James Cowgill <James.Cowgill@imgtec.com> Acked-by:
David Daney <david.daney@cavium.com> Reviewed-by:
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Mirko Parthey authored
commit bdfdaf1a upstream. The Asus WL-500W buttons are active high, but the software treats them as active low. Fix the inverted logic. Fixes: 3be97255 ("MIPS: BCM47XX: Import buttons database from OpenWrt") Signed-off-by:
Mirko Parthey <mirko.parthey@web.de> Acked-by:
Rafał Miłecki <rafal@milecki.pl> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15295/Signed-off-by:
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Ralf Baechle authored
commit 66fd848c upstream. For certain arguments such as saddr = 0xc0a8fd60, daddr = 0xc0a8fda1, len = 80, proto = 17, sum = 0x7eae049d there will be a carry when folding the intermediate 64 bit checksum to 32 bit but the code doesn't add the carry back to the one's complement sum, thus an incorrect result will be generated. Reported-by:
Mark Zhang <bomb.zhang@gmail.com> Signed-off-by:
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Shuah Khan authored
commit 6bee835d upstream. Move mic/mpssd examples to samples and remove it from Documentation Makefile. Create a new Makefile to build mic/mpssd. It can be built from top level directory or from mic/mpssd directory: Run make -C samples/mic/mpssd or cd samples/mic/mpssd; make Acked-by:
Jonathan Corbet <corbet@lwn.net> Signed-off-by:
Shuah Khan <shuahkh@osg.samsung.com> [backported to 4.4-stable as this code is broken on newer versions of gcc and we don't want to break the build for a Documentation sample. - gregkh] Signed-off-by:
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