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Filename Latest commit message Latest commit date
Sibi Sankar 988fcef346 remoteproc: qcom_q6v5_mss: Validate modem blob firmware size before load 
commit 135b9e8d1cd8ba5ac9ad9bcf24b464b7b052e5b8 upstream.

The following mem abort is observed when one of the modem blob firmware
size exceeds the allocated mpss region. Fix this by restricting the copy
size to segment size using request_firmware_into_buf before load.

Err Logs:
Unable to handle kernel paging request at virtual address
Mem abort info:
...
Call trace:
  __memcpy+0x110/0x180
  rproc_start+0xd0/0x190
  rproc_boot+0x404/0x550
  state_store+0x54/0xf8
  dev_attr_store+0x44/0x60
  sysfs_kf_write+0x58/0x80
  kernfs_fop_write+0x140/0x230
  vfs_write+0xc4/0x208
  ksys_write+0x74/0xf8
...

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Fixes: 051fb70fd4 ("remoteproc: qcom: Driver for the self-authenticating Hexagon v5")
Cc: stable@vger.kernel.org
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200722201047.12975-3-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-21 13:05:29 +02:00
arch pseries: Fix 64 bit logical memory block panic 2020-08-21 13:05:28 +02:00
block iocost: Fix check condition of iocg abs_vdebt 2020-08-19 08:15:58 +02:00
certs
crypto keys: asymmetric: fix error return code in software_key_query() 2020-07-22 09:33:04 +02:00
Documentation dt-bindings: iio: io-channel-mux: Fix compatible string in example code 2020-08-21 13:05:23 +02:00
drivers remoteproc: qcom_q6v5_mss: Validate modem blob firmware size before load 2020-08-21 13:05:29 +02:00
fs ceph: handle zero-length feature mask in session messages 2020-08-21 13:05:28 +02:00
include net/compat: Add missing sock updates for SCM_RIGHTS 2020-08-21 13:05:25 +02:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:20:34 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel module: Correctly truncate sysfs sections output 2020-08-21 13:05:28 +02:00
lib kobject: Avoid premature parent object freeing in kobject_cleanup() 2020-08-19 08:16:11 +02:00
LICENSES
mm mm/memory_hotplug: fix unpaired mem_hotplug_begin/done 2020-08-21 13:05:27 +02:00
net mac80211: fix misplaced while instead of if 2020-08-21 13:05:26 +02:00
samples bpf: Fix fds_example SIGSEGV error 2020-08-19 08:16:03 +02:00
scripts recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64. 2020-08-19 08:15:57 +02:00
security Smack: prevent underflow in smk_set_cipso() 2020-08-19 08:16:16 +02:00
sound ALSA: usb-audio: add quirk for Pioneer DDJ-RB 2020-08-19 08:16:27 +02:00
tools perf intel-pt: Fix duplicate branch after CBR 2020-08-21 13:05:29 +02:00
usr initramfs: restore default compression behavior 2020-04-08 09:08:38 +02:00
virt KVM: arm64: Don't inherit exec permission across page-table levels 2020-08-05 09:59:51 +02:00
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Makefile Linux 5.4.59 2020-08-19 08:16:29 +02:00
README

README 

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.