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Douglas Anderson 5f523f1beb drm/bridge: ti-sn65dsi86: Never store more than msg->size bytes in AUX xfer 
[ Upstream commit aca58eac52 ]

For aux reads, the value `msg->size` indicates the size of the buffer
provided by `msg->buffer`. We should never in any circumstances write
more bytes to the buffer since it may overflow the buffer.

In the ti-sn65dsi86 driver there is one code path that reads the
transfer length from hardware. Even though it's never been seen to be
a problem, we should make extra sure that the hardware isn't
increasing the length since doing so would cause us to overrun the
buffer.

Fixes: 982f589bde ("drm/bridge: ti-sn65dsi86: Update reply on aux failures")
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231214123752.v3.2.I7b83c0f31aeedc6b1dc98c7c741d3e1f94f040f8@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-10 17:10:21 +01:00
arch KVM: x86/pmu: fix masking logic for MSR_CORE_PERF_GLOBAL_CTRL 2024-01-10 17:10:21 +01:00
block block: Don't invalidate pagecache for invalid falloc modes 2024-01-10 17:10:20 +01:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: pcrypt - Fix hungtask for PADATA_RESET 2023-11-28 17:06:58 +00:00
Documentation dt-bindings: nvmem: mxs-ocotp: Document fsl,ocotp 2024-01-01 12:39:04 +00:00
drivers drm/bridge: ti-sn65dsi86: Never store more than msg->size bytes in AUX xfer 2024-01-10 17:10:21 +01:00
fs cifs: do not depend on release_iface for maintaining iface_list 2024-01-10 17:10:21 +01:00
include kallsyms: Make module_kallsyms_on_each_symbol generally available 2024-01-05 15:18:40 +01:00
init proc: sysctl: prevent aliased sysctls from getting passed to init 2023-11-28 17:07:08 +00:00
io_uring io_uring: fix mutex_unlock with unreferenced ctx 2023-12-13 18:39:18 +01:00
ipc
kernel tracing/kprobes: Fix symbol counting logic by looking at modules as well 2024-01-05 15:18:40 +01:00
lib lib/vsprintf: Fix %pfwf when current node refcount == 0 2024-01-01 12:39:07 +00:00
LICENSES
mm mm/memory-failure: check the mapcount of the precise page 2024-01-05 15:18:39 +01:00
net mptcp: prevent tcp diag from closing listener subflows 2024-01-10 17:10:20 +01:00
rust rust: allocator: Prevent mis-aligned allocation 2023-08-11 12:08:18 +02:00
samples fprobe: Pass entry_data to handlers 2023-10-25 12:03:12 +02:00
scripts sign-file: Fix incorrect return values check 2023-12-20 17:00:19 +01:00
security keys, dns: Allow key types (eg. DNS) to be reclaimed immediately on expiry 2024-01-01 12:38:58 +00:00
sound ALSA: hda/realtek: Fix mute and mic-mute LEDs for HP ProBook 440 G6 2024-01-10 17:10:20 +01:00
tools selftests: mptcp: join: fix subflow_send_ack lookup 2024-01-01 12:39:06 +00:00
usr
virt kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add() 2023-09-13 09:42:46 +02:00
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MAINTAINERS devlink: move code to a dedicated directory 2023-08-30 16:11:00 +02:00
Makefile Linux 6.1.71 2024-01-05 15:18:41 +01:00
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.