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Stanimir Varbanov a200c72195 media: venus: hfi_parser: fix a regression in parser
This fixes the following data abort:

 Unable to handle kernel paging request at virtual address 0000078000000040
 Mem abort info:
   ESR = 0x96000004
   Exception class = DABT (current EL), IL = 32 bits
   SET = 0, FnV = 0
   EA = 0, S1PTW = 0
 Data abort info:
   ISV = 0, ISS = 0x00000004
   CM = 0, WnR = 0
 user pgtable: 4k pages, 48-bit VAs, pgdp = (____ptrval____)
 [0000078000000040] pgd=0000000000000000
 Internal error: Oops: 96000004 [#1] PREEMPT SMP
 Process irq/28-venus (pid: 292, stack limit = 0x(____ptrval____))
 CPU: 0 PID: 292 Comm: irq/28-venus Not tainted 5.2.0-rc1+ #60
 Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT)
 pstate: 60000005 (nZCv daif -PAN -UAO)
 pc : __memcpy+0x100/0x180
 lr : parse_caps+0x94/0xc0 [venus_core]
 sp : ffff0000114e3990
 x29: ffff0000114e3990 x28: ffff80003a7d0148
 x27: 00000000000df018 x26: ffff000008bd4618
 x25: 0000000000020003 x24: 0000078000000040
 x23: 0000000000000002 x22: 0000000000000002
 x21: ffff80003b9b8080 x20: 0000000000000008
 x19: ffff000010f59000 x18: 0000000000000000
 x17: 0000000000000000 x16: ffff80003c0f9b80
 x15: 0000000000000000 x14: 0100000100000002
 x13: 000000010020100b x12: 000000010000100a
 x11: 0000100000000040 x10: 0000100000000004
 x9 : 0000000000000000 x8 : ffff0000114e3bd8
 x7 : 0000000000000000 x6 : ffff0000114e39d8
 x5 : 0000000000000040 x4 : 0000000000000000
 x3 : 0000000000000010 x2 : 0000000000000000
 x1 : 0000078000000040 x0 : ffff0000114e39d8
 Call trace:
  __memcpy+0x100/0x180
  hfi_parser+0x23c/0x3b8 [venus_core]
  hfi_session_init_done+0x40/0x60 [venus_core]
  hfi_process_msg_packet+0xd4/0x1d8 [venus_core]
  venus_isr_thread+0x1e0/0x230 [venus_core]
  hfi_isr_thread+0x18/0x20 [venus_core]
  irq_thread_fn+0x28/0x78
  irq_thread+0x124/0x1c0
  kthread+0x124/0x128
  ret_from_fork+0x10/0x18
 Code: d503201f d503201f d503201f d503201f (a8c12027)
 ---[ end trace fd253ebaeea05ffc ]---
 genirq: exiting task "irq/28-venus" (292) is an active IRQ thread (irq 28)

by modifying structure members to flexible array members.

Fixes: ded7162671 media: hfi_parser: don't trick gcc with a wrong expected size

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-05-29 10:20:06 -04:00
arch Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
block for-5.2/block-post-20190516 2019-05-16 19:08:15 -07:00
certs kexec, KEYS: Make use of platform keyring for signature verify 2019-02-04 17:34:07 -05:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-05-07 22:03:58 -07:00
Documentation Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
drivers media: venus: hfi_parser: fix a regression in parser 2019-05-29 10:20:06 -04:00
fs This pull request contains the following fixes for UBIFS: 2019-05-19 15:22:03 -07:00
include Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
init initramfs: don't free a non-existent initrd 2019-05-18 15:52:26 -07:00
ipc ipc: do cyclic id allocation for the ipc object. 2019-05-14 19:52:52 -07:00
kernel Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
lib slab: remove /proc/slab_allocators 2019-05-16 15:51:55 -07:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm Merge branch 'akpm' (patches from Andrew) 2019-05-19 12:15:32 -07:00
net treewide: prefix header search paths with $(srctree)/ 2019-05-18 11:49:57 +09:00
samples samples: guard sub-directories with CONFIG options 2019-05-18 11:29:01 +09:00
scripts kconfig: use 'else ifneq' for Makefile to improve readability 2019-05-19 09:34:35 +09:00
security Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-13 15:15:00 -07:00
sound sound fixes for 5.2-rc1 2019-05-17 13:57:54 -07:00
tools Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-19 11:20:22 -07:00
usr user/Makefile: Fix typo and capitalization in comment section 2018-12-11 00:18:03 +09:00
virt * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
.clang-format Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes
.gitignore .gitignore: exclude .get_maintainer.ignore and .gitattributes 2019-05-18 11:49:54 +09:00
.mailmap A reasonably busy cycle for docs, including: 2019-05-08 12:42:50 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00
Kbuild Kbuild updates for v5.1 2019-03-10 17:48:21 -07:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS Kbuild updates for v5.2 (2nd) 2019-05-19 11:53:58 -07:00
Makefile Linux 5.2-rc1 2019-05-19 15:47:09 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.