Hi,
Please find the latest report on new defect(s) introduced to coreboot found
with Coverity Scan.
3 new defect(s) introduced to coreboot found with Coverity Scan.
1 defect(s), reported by Coverity Scan earlier, were marked fixed in the recent
build analyzed by Coverity Scan.
New defect(s) Reported-by: Coverity Scan
Showing 3 of 3 defect(s)
** CID 1518044: API usage errors (SWAPPED_ARGUMENTS)
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*** CID 1518044: API usage errors (SWAPPED_ARGUMENTS)
/src/northbridge/intel/ironlake/northbridge.c: 125 in mc_read_resources()
119 pci_read_config32(pcidev_on_root(0, 0), IGD_BASE);
120 gtt_base =
121 pci_read_config32(pcidev_on_root(0, 0), GTT_BASE);
122 if (gtt_base > tseg_end) {
123 /* Reserve the gap. MMIO doesn't work in this range.
Keep
124 it uncacheable, though, for easier MTRR allocation.
*/
>>> CID 1518044: API usage errors (SWAPPED_ARGUMENTS)
>>> The positions of arguments in the call to "mmio_from_to" do not match
>>> the ordering of the parameters:
* "tseg_end" is passed to "base".
* "gtt_base" is passed to "end".
125 mmio_from_to(dev, index++, tseg_end, gtt_base);
126 }
127 mmio_range(dev, index++, gtt_base, uma_size_gtt * MiB);
128 mmio_range(dev, index++, igd_base, uma_size_igd * MiB);
129
130 upper_ram_end(dev, index++, touud * MiB);
** CID 1518043: Integer handling issues (OVERFLOW_BEFORE_WIDEN)
/src/northbridge/intel/ironlake/northbridge.c: 128 in mc_read_resources()
________________________________________________________________________________________________________
*** CID 1518043: Integer handling issues (OVERFLOW_BEFORE_WIDEN)
/src/northbridge/intel/ironlake/northbridge.c: 128 in mc_read_resources()
122 if (gtt_base > tseg_end) {
123 /* Reserve the gap. MMIO doesn't work in this range.
Keep
124 it uncacheable, though, for easier MTRR allocation.
*/
125 mmio_from_to(dev, index++, tseg_end, gtt_base);
126 }
127 mmio_range(dev, index++, gtt_base, uma_size_gtt * MiB);
>>> CID 1518043: Integer handling issues (OVERFLOW_BEFORE_WIDEN)
>>> Potentially overflowing expression "uma_size_igd * 1048576" with type
>>> "int" (32 bits, signed) is evaluated using 32-bit arithmetic, and then used
>>> in a context that expects an expression of type "uint64_t" (64 bits,
>>> unsigned).
128 mmio_range(dev, index++, igd_base, uma_size_igd * MiB);
129
130 upper_ram_end(dev, index++, touud * MiB);
131
132 /* This memory is not DMA-capable. */
133 if (touud >= 8192 - 64)
** CID 1518042: Integer handling issues (OVERFLOW_BEFORE_WIDEN)
/src/northbridge/intel/ironlake/northbridge.c: 127 in mc_read_resources()
________________________________________________________________________________________________________
*** CID 1518042: Integer handling issues (OVERFLOW_BEFORE_WIDEN)
/src/northbridge/intel/ironlake/northbridge.c: 127 in mc_read_resources()
121 pci_read_config32(pcidev_on_root(0, 0), GTT_BASE);
122 if (gtt_base > tseg_end) {
123 /* Reserve the gap. MMIO doesn't work in this range.
Keep
124 it uncacheable, though, for easier MTRR allocation.
*/
125 mmio_from_to(dev, index++, tseg_end, gtt_base);
126 }
>>> CID 1518042: Integer handling issues (OVERFLOW_BEFORE_WIDEN)
>>> Potentially overflowing expression "uma_size_gtt * 1048576" with type
>>> "int" (32 bits, signed) is evaluated using 32-bit arithmetic, and then used
>>> in a context that expects an expression of type "uint64_t" (64 bits,
>>> unsigned).
127 mmio_range(dev, index++, gtt_base, uma_size_gtt * MiB);
128 mmio_range(dev, index++, igd_base, uma_size_igd * MiB);
129
130 upper_ram_end(dev, index++, touud * MiB);
131
132 /* This memory is not DMA-capable. */
________________________________________________________________________________________________________
To view the defects in Coverity Scan visit,
https://u15810271.ct.sendgrid.net/ls/click?upn=HRESupC-2F2Czv4BOaCWWCy7my0P0qcxCbhZ31OYv50yq2SfQfrHt3Prsn4qSLrYIrajINpiFX8l0vrlNSf8iCrS27qY0Cr0DkycwNUgGZJj8-3DL_BD_L-2FDzr14mnrsJO5b1wX1hp9b1MAQygl7x-2B74RAaH2cn0n7HhIJzg4orgfdSk-2FHhxaKSgeJvCNPWmnn62R76bqAKE9z3stMVL2lXjqRsXVuHGsW36eOQKJ1LdwoIuzbUu3MzOYbh3c5bFBTdYUpF6EIsNMmX8MuIqajlDGZLXFS2w-2B-2F-2BR1Ujhwsg6Z7tbTZ-2Bww0yfCxG-2B7g4-2FfaidSbupF-2BA-3D-3D
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