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Akhil P Oommen 26d776fd0f drm/msm: Fix null ptr access msm_ioctl_gem_submit()
Fix the below null pointer dereference in msm_ioctl_gem_submit():

 26545.260705:   Call trace:
 26545.263223:    kref_put+0x1c/0x60
 26545.266452:    msm_ioctl_gem_submit+0x254/0x744
 26545.270937:    drm_ioctl_kernel+0xa8/0x124
 26545.274976:    drm_ioctl+0x21c/0x33c
 26545.278478:    drm_compat_ioctl+0xdc/0xf0
 26545.282428:    __arm64_compat_sys_ioctl+0xc8/0x100
 26545.287169:    el0_svc_common+0xf8/0x250
 26545.291025:    do_el0_svc_compat+0x28/0x54
 26545.295066:    el0_svc_compat+0x10/0x1c
 26545.298838:    el0_sync_compat_handler+0xa8/0xcc
 26545.303403:    el0_sync_compat+0x188/0x1c0
 26545.307445:   Code: d503201f d503201f 52800028 4b0803e8 (b8680008)
 26545.318799:   Kernel panic - not syncing: Oops: Fatal exception

Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
Link: https://lore.kernel.org/r/20211118154903.2.I3ae019673a0cc45d83a193a7858748dd03dbb820@changeid
Signed-off-by: Rob Clark <robdclark@chromium.org>
2021-11-21 12:54:22 -08:00
arch parisc architecture build-, trace-, backtrace- and page table fixes 2021-11-14 11:53:59 -08:00
block
certs
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Documentation Devicetree fixes for v5.16, take 1: 2021-11-14 11:11:51 -08:00
drivers drm/msm: Fix null ptr access msm_ioctl_gem_submit() 2021-11-21 12:54:22 -08:00
fs Minor tweaks for 5.16: 2021-11-14 12:18:22 -08:00
include Devicetree fixes for v5.16, take 1: 2021-11-14 11:11:51 -08:00
init kconfig: Add support for -Wimplicit-fallthrough 2021-11-14 13:27:30 -08:00
ipc
kernel A single fix for POSIX CPU timers to address a problem where POSIX CPU 2021-11-14 10:43:38 -08:00
lib
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tools A single fix for static calls to make the trampoline patching more robust 2021-11-14 10:30:17 -08:00
usr
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MAINTAINERS - Add the model number of a new, Raptor Lake CPU, to intel-family.h 2021-11-14 09:29:03 -08:00
Makefile Linux 5.16-rc1 2021-11-14 13:56:52 -08:00
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.