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MALI: bifrost: fix bug "Kbase can do an out of bound access due to invalid jobslot parameter"

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This patch is from ARM via mail
"Fwd: 00209996 - [Rockchip][IMPORTANT] Cat A(rare)- Security bug in Mali DDK (16-Nov, 2020) Edit Subject"

Signed-off-by: Zhen Chen <chenzhen@rock-chips.com>
Change-Id: Ife807e5e850274222db8aea0e4cac588e02a8e53
This commit is contained in:
Zhen Chen 2020-11-25 17:01:54 +08:00
parent c0720cd95e
commit fd5989b3f9
1 changed files with 0 additions and 15 deletions
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15
drivers/gpu/arm/bifrost/mali_kbase_jd.c
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@ -1053,21 +1053,6 @@ static bool jd_submit_atom(struct kbase_context *const kctx,
return jd_done_nolock(katom, NULL);
}
if (katom->core_req & BASE_JD_REQ_SOFT_JOB) {
/* This softjob has failed due to a previous
* dependency, however we should still run the
* prepare & finish functions
*/
if (kbase_prepare_soft_job(katom) != 0) {
katom->event_code =
BASE_JD_EVENT_JOB_INVALID;
return jd_done_nolock(katom, NULL);
}
}
katom->will_fail_event_code = katom->event_code;
return false;
}
/* These must occur after the above loop to ensure that an atom