[Intel-xe] ✗ CI.checkpatch: warning for series starting with [1/2,v2] drm/xe: fix bounds checking for 'len' in xe_engine_create_ioctl

[Patchwork]

== Series Details ==

Series: series starting with [1/2,v2] drm/xe: fix bounds checking for 'len' in xe_engine_create_ioctl
URL   : https://patchwork.freedesktop.org/series/119889/
State : warning

== Summary ==

+ KERNEL=/kernel
+ git clone https://gitlab.freedesktop.org/drm/maintainer-tools mt
Cloning into 'mt'...
warning: redirecting to https://gitlab.freedesktop.org/drm/maintainer-tools.git/
+ git -C mt rev-list -n1 origin/master
c7d32770e3cd31d9fc134ce41f329b10aa33ee15
+ cd /kernel
+ git config --global --add safe.directory /kernel
+ git log -n1
commit 38655336d4cc3d81c1381243618c926757181da2
Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
Date:   Mon Jun 26 14:22:21 2023 -0700

    drm/xe: properly check bounds for xe_wait_user_fence_ioctl()
    
    If !no_engines, then we use copy_from_user to copy to the 'eci' array,
    which has XE_HW_ENGINE_MAX_INSTANCE members. The amount of members
    copied is given by the user in args->num_engines, so add code to check
    that args->num_engines does not exceed XE_HW_ENGINE_MAX_INSTANCE. It's
    an unsigned value so there's no need to check for negative values.
    
    Fixes error messages such as:
    
        Buffer overflow detected (54 < 18446744073709551520)!
    
    Very simple reproducer:
    
        https://people.freedesktop.org/~pzanoni/wait-user-fence-bug/
    
    Reviewed-by: José Roberto de Souza <jose.souza at intel.com>
    Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
+ /mt/dim checkpatch d3fc5af59c7c17ad1a0272c49dbff84534d9d606 drm-intel
501153281 drm/xe: fix bounds checking for 'len' in xe_engine_create_ioctl
-:13: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#13: 
    usercopy: Kernel memory overwrite attempt detected to wrapped address (offset 0, size 18446660151965198754)!

total: 0 errors, 1 warnings, 0 checks, 8 lines checked
38655336d drm/xe: properly check bounds for xe_wait_user_fence_ioctl()