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decode: Add some missing protection against short buffers for gen6 instr

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-12-03 00:41:43 +00:00
parent 3dafead3f2
commit 157207ada5
2 changed files with 19 additions and 1 deletions
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18
tools/intel_decode.c
View File

@ -1721,6 +1721,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 4) if (len != 4)
fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE_POINTERS\n"); fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE_POINTERS\n");
if (count < 4)
BUFFER_FAIL(count, len, "3DSTATE_SAMPLER_STATE_POINTERS");
instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, " instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
"GS mod %d, PS mod %d\n", "GS mod %d, PS mod %d\n",
(data[0] & (1 << 8)) != 0, (data[0] & (1 << 8)) != 0,
@ -1734,6 +1736,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 3) if (len != 3)
fprintf(out, "Bad count in 3DSTATE_URB\n"); fprintf(out, "Bad count in 3DSTATE_URB\n");
if (count < 3)
BUFFER_FAIL(count, len, "3DSTATE_URB");
instr_out(data, hw_offset, 0, "3DSTATE_URB\n"); instr_out(data, hw_offset, 0, "3DSTATE_URB\n");
instr_out(data, hw_offset, 1, "VS entries %d, alloc size %d (1024bit row)\n", instr_out(data, hw_offset, 1, "VS entries %d, alloc size %d (1024bit row)\n",
data[1] & 0xffff, ((data[1] >> 16) & 0x0fff) - 1); data[1] & 0xffff, ((data[1] >> 16) & 0x0fff) - 1);
@ -1823,6 +1827,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 4) if (len != 4)
fprintf(out, "Bad count in 3DSTATE_CC_STATE_POINTERS\n"); fprintf(out, "Bad count in 3DSTATE_CC_STATE_POINTERS\n");
if (count < 4)
BUFFER_FAIL(count, len, "3DSTATE_CC_STATE_POINTERS");
instr_out(data, hw_offset, 0, "3DSTATE_CC_STATE_POINTERS\n"); instr_out(data, hw_offset, 0, "3DSTATE_CC_STATE_POINTERS\n");
instr_out(data, hw_offset, 1, "blend change %d\n", data[1] & 1); instr_out(data, hw_offset, 1, "blend change %d\n", data[1] & 1);
instr_out(data, hw_offset, 2, "depth stencil change %d\n", data[2] & 1); instr_out(data, hw_offset, 2, "depth stencil change %d\n", data[2] & 1);
@ -1833,6 +1839,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 2) if (len != 2)
fprintf(out, "Bad count in 3DSTATE_SCISSOR_POINTERS\n"); fprintf(out, "Bad count in 3DSTATE_SCISSOR_POINTERS\n");
if (count < 2)
BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_POINTERS");
instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_POINTERS\n"); instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_POINTERS\n");
instr_out(data, hw_offset, 1, "scissor rect offset\n"); instr_out(data, hw_offset, 1, "scissor rect offset\n");
return len; return len;
@ -1841,6 +1849,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 6) if (len != 6)
fprintf(out, "Bad count in 3DSTATE_VS\n"); fprintf(out, "Bad count in 3DSTATE_VS\n");
if (count < 6)
BUFFER_FAIL(count, len, "3DSTATE_VS");
instr_out(data, hw_offset, 0, "3DSTATE_VS\n"); instr_out(data, hw_offset, 0, "3DSTATE_VS\n");
instr_out(data, hw_offset, 1, "kernel pointer\n"); instr_out(data, hw_offset, 1, "kernel pointer\n");
instr_out(data, hw_offset, 2, "SPF=%d, VME=%d, Sampler Count %d, " instr_out(data, hw_offset, 2, "SPF=%d, VME=%d, Sampler Count %d, "
@ -1866,6 +1876,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 7) if (len != 7)
fprintf(out, "Bad count in 3DSTATE_GS\n"); fprintf(out, "Bad count in 3DSTATE_GS\n");
if (count < 7)
BUFFER_FAIL(count, len, "3DSTATE_GS");
instr_out(data, hw_offset, 0, "3DSTATE_GS\n"); instr_out(data, hw_offset, 0, "3DSTATE_GS\n");
instr_out(data, hw_offset, 1, "kernel pointer\n"); instr_out(data, hw_offset, 1, "kernel pointer\n");
instr_out(data, hw_offset, 2, "SPF=%d, VME=%d, Sampler Count %d, " instr_out(data, hw_offset, 2, "SPF=%d, VME=%d, Sampler Count %d, "
@ -1894,6 +1906,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 4) if (len != 4)
fprintf(out, "Bad count in 3DSTATE_CLIP\n"); fprintf(out, "Bad count in 3DSTATE_CLIP\n");
if (count < 4)
BUFFER_FAIL(count, len, "3DSTATE_CLIP");
instr_out(data, hw_offset, 0, "3DSTATE_CLIP\n"); instr_out(data, hw_offset, 0, "3DSTATE_CLIP\n");
instr_out(data, hw_offset, 1, "UserClip distance cull test mask 0x%x\n", instr_out(data, hw_offset, 1, "UserClip distance cull test mask 0x%x\n",
data[1] & 0xff); data[1] & 0xff);
@ -1924,6 +1938,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 20) if (len != 20)
fprintf(out, "Bad count in 3DSTATE_SF\n"); fprintf(out, "Bad count in 3DSTATE_SF\n");
if (count < 20)
BUFFER_FAIL(count, len, "3DSTATE_SF");
instr_out(data, hw_offset, 0, "3DSTATE_SF\n"); instr_out(data, hw_offset, 0, "3DSTATE_SF\n");
instr_out(data, hw_offset, 1, "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, " instr_out(data, hw_offset, 1, "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
"VUE read offset %d\n", "VUE read offset %d\n",
@ -1979,6 +1995,8 @@ decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid, int
len = (data[0] & 0xff) + 2; len = (data[0] & 0xff) + 2;
if (len != 9) if (len != 9)
fprintf(out, "Bad count in 3DSTATE_WM\n"); fprintf(out, "Bad count in 3DSTATE_WM\n");
if (count < 9)
BUFFER_FAIL(count, len, "3DSTATE_WM");
instr_out(data, hw_offset, 0, "3DSTATE_WM\n"); instr_out(data, hw_offset, 0, "3DSTATE_WM\n");
instr_out(data, hw_offset, 1, "kernel start pointer 0\n"); instr_out(data, hw_offset, 1, "kernel start pointer 0\n");
instr_out(data, hw_offset, 2, "SPF=%d, VME=%d, Sampler Count %d, " instr_out(data, hw_offset, 2, "SPF=%d, VME=%d, Sampler Count %d, "

2
tools/intel_dump_decode.c
View File

@ -39,7 +39,7 @@
static void static void
read_bin_file (uint32_t devid, const char * filename) read_bin_file (uint32_t devid, const char * filename)
{ {
uint32_t buf[2048]; uint32_t buf[16384];
int fd, offset, ret; int fd, offset, ret;
fd = open (filename, O_RDONLY); fd = open (filename, O_RDONLY);