* Coverity: transmitter_control_dmcub(): Memory - corruptions
@ 2019-11-12 1:35 coverity-bot
0 siblings, 0 replies; only message in thread
From: coverity-bot @ 2019-11-12 1:35 UTC (permalink / raw)
To: Nicholas Kazlauskas
Cc: Alex Deucher, Harry Wentland, Hersen Wu, Gustavo A. R. Silva, linux-next
Hello!
This is an experimental automated report about issues detected by Coverity
from a scan of next-20191108 as part of the linux-next weekly scan project:
https://scan.coverity.com/projects/linux-next-weekly-scan
You're getting this email because you were associated with the identified
lines of code (noted below) that were touched by recent commits:
c264644545d2 ("drm/amd/display: Add DMUB support to DC")
Coverity reported the following:
*** CID 1487842: Memory - corruptions (OVERRUN)
/drivers/gpu/drm/amd/display/dc/bios/command_table2.c: 225 in transmitter_control_dmcub()
219 {
220 struct dmub_rb_cmd_dig1_transmitter_control transmitter_control;
221
222 transmitter_control.header.type = DMUB_CMD__DIG1_TRANSMITTER_CONTROL;
223 transmitter_control.transmitter_control.dig = *dig;
224
vvv CID 1487842: Memory - corruptions (OVERRUN)
vvv Overrunning struct type dmub_cmd_header of 4 bytes by passing it to a function which accesses it at byte offset 63.
225 dc_dmub_srv_cmd_queue(dmcub, &transmitter_control.header);
226 dc_dmub_srv_cmd_execute(dmcub);
227 dc_dmub_srv_wait_idle(dmcub);
228 }
229
230 static enum bp_result transmitter_control_v1_6(
If this is a false positive, please let us know so we can mark it as
such, or teach the Coverity rules to be smarter. If not, please make
sure fixes get into linux-next. :) For patches fixing this, please
include these lines (but double-check the "Fixes" first):
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1487842 ("Memory - corruptions")
Fixes: c264644545d2 ("drm/amd/display: Add DMUB support to DC")
Thanks for your attention!
--
Coverity-bot
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