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@xxxxxxxxxxxx> Addresses-Coverity-ID: 1487842 ("Memory - corruptions") Fixes: c264644545d2 ("drm/amd/display: Add DMUB support to DC") Thanks for your attention! -- Coverity-bot