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authorXi Wang <[email protected]>2011-11-23 01:12:01 -0500
committerDave Airlie <[email protected]>2011-11-23 08:59:28 +0000
commita5cd335165e31db9dbab636fd29895d41da55dd2 (patch)
tree4d01d5801047b466c44c40231773e66a9dfb704d /tools/perf/util/scripting-engines/trace-event-perl.c
parentc916874d60d9daf2e2d5f4f622b185ef57deb6a4 (diff)
drm: integer overflow in drm_mode_dirtyfb_ioctl()
There is a potential integer overflow in drm_mode_dirtyfb_ioctl() if userspace passes in a large num_clips. The call to kmalloc would allocate a small buffer, and the call to fb->funcs->dirty may result in a memory corruption. Reported-by: Haogang Chen <[email protected]> Signed-off-by: Xi Wang <[email protected]> Cc: [email protected] Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
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