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* [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds]
@ 2016-09-10  0:30 bugzilla-daemon
  2016-09-10  0:35 ` bugzilla-daemon
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-09-10  0:30 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=97759

            Bug ID: 97759
           Summary: compile error bandwidth_calcs.c : array subscript is
                    above array bounds [-Werror=array-bounds]
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu-pro
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: ken@kenjo.org

when trying to install amdgpu-pro_16.30.3-315407.tar.xz on ubuntu 16.10
(Yakkety Yak)

/var/lib/dkms/amdgpu-pro/16.30.3-315407/build/make.log


  CC [M] 
/var/lib/dkms/amdgpu-pro/16.30.3-315407/build/amd/amdgpu/../dal/dc/calcs/bandwidth_calcs.o
/var/lib/dkms/amdgpu-pro/16.30.3-315407/build/amd/amdgpu/../dal/dc/calcs/bandwidth_calcs.c:
In function ‘calculate_bandwidth’:
/var/lib/dkms/amdgpu-pro/16.30.3-315407/build/amd/amdgpu/../dal/dc/calcs/bandwidth_calcs.c:3162:7:
error: array subscript is above array bounds [-Werror=array-bounds]
       bw_max2(
       ^~~~~~~~
        results->blackout_recovery_time,

I looked at the code and gave up before even trying to understand it. the
function call or macro was covering 43 lines. That is it's not a function that
is implemented in 43 lines it's the actual call that is 43 lines of code.

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds]
  2016-09-10  0:30 [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds] bugzilla-daemon
@ 2016-09-10  0:35 ` bugzilla-daemon
  2016-09-10  0:37 ` bugzilla-daemon
  2018-12-04 16:36 ` bugzilla-daemon
  2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-09-10  0:35 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=97759

kenneth johansson <ken@kenjo.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86-64 (AMD64)

--- Comment #1 from kenneth johansson <ken@kenjo.org> ---
                                        results->blackout_recovery_time =
                                                bw_max2(
                                                       
results->blackout_recovery_time,
                                                        bw_div(
                                                                (bw_add(
                                                                        bw_mul(
                                                                               
bw_div(
                                                                               
        bw_mul(
                                                                               
                results->display_bandwidth[k],
                                                                               
                results->useful_bytes_per_request[k]),
                                                                               
        results->bytes_per_request[k]),
                                                                               
vbios->blackout_duration),
                                                                        bw_sub(
                                                                               
bw_div(
                                                                               
        bw_mul(
                                                                               
                bw_mul(
                                                                               
                        bw_mul(
                                                                               
                                (bw_add(
                                                                               
                                        bw_add(
                                                                               
                                                bw_mul(
                                                                               
                                                        bw_int_to_fixed(
                                                                               
                                                                2),
                                                                               
                                                       
vbios->mcifwrmc_urgent_latency),
                                                                               
                                               
results->dmif_burst_time[i][j]),
                                                                               
                                       
results->mcifwr_burst_time[results->y_clk_level][results->sclk_level])),
                                                                               
                                results->dispclk),
                                                                               
                        bw_int_to_fixed(
                                                                               
                                results->bytes_per_pixel[k])),
                                                                               
                results->lines_interleaved_in_mem_access[k]),
                                                                               
        results->latency_hiding_lines[k]),
                                                                               
results->adjusted_data_buffer_size[k]))),
                                                                (bw_sub(
                                                                        bw_div(
                                                                               
bw_mul(
                                                                               
        bw_mul(
                                                                               
                results->dispclk,
                                                                               
                bw_int_to_fixed(
                                                                               
                        results->bytes_per_pixel[k])),
                                                                               
        results->lines_interleaved_in_mem_access[k]),
                                                                               
results->latency_hiding_lines[k]),
                                                                        bw_div(
                                                                               
bw_mul(
                                                                               
        results->display_bandwidth[k],
                                                                               
        results->useful_bytes_per_request[k]),
                                                                               
results->bytes_per_request[k])))));

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds]
  2016-09-10  0:30 [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds] bugzilla-daemon
  2016-09-10  0:35 ` bugzilla-daemon
@ 2016-09-10  0:37 ` bugzilla-daemon
  2018-12-04 16:36 ` bugzilla-daemon
  2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2016-09-10  0:37 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=97759

--- Comment #2 from kenneth johansson <ken@kenjo.org> ---
Created attachment 126449
  --> https://bugs.freedesktop.org/attachment.cgi?id=126449&action=edit
dkms build log

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^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds]
  2016-09-10  0:30 [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds] bugzilla-daemon
  2016-09-10  0:35 ` bugzilla-daemon
  2016-09-10  0:37 ` bugzilla-daemon
@ 2018-12-04 16:36 ` bugzilla-daemon
  2 siblings, 0 replies; 4+ messages in thread
From: bugzilla-daemon @ 2018-12-04 16:36 UTC (permalink / raw)
  To: dri-devel


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https://bugs.freedesktop.org/show_bug.cgi?id=97759

Jeremy Newton <alexjnewt@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #3 from Jeremy Newton <alexjnewt@gmail.com> ---
Closing, as this is pretty old, and only Ubuntu LTS is supported (e.g. 16.04,
18.04).

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^ permalink raw reply	[flat|nested] 4+ messages in thread

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2016-09-10  0:30 [Bug 97759] compile error bandwidth_calcs.c : array subscript is above array bounds [-Werror=array-bounds] bugzilla-daemon
2016-09-10  0:35 ` bugzilla-daemon
2016-09-10  0:37 ` bugzilla-daemon
2018-12-04 16:36 ` bugzilla-daemon

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