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loader/ro: abort if patching would go out of bounds
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1 changed files with 2 additions and 0 deletions
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@ -167,6 +167,7 @@ namespace ams::patcher {
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/* Apply patch. */
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/* Apply patch. */
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if (patch_offset + rle_size > mapped_size) {
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if (patch_offset + rle_size > mapped_size) {
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AMS_ABORT_UNLESS(patch_offset <= mapped_size);
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rle_size = mapped_size - patch_offset;
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rle_size = mapped_size - patch_offset;
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}
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}
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std::memset(mapped_module + patch_offset, buffer[0], rle_size);
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std::memset(mapped_module + patch_offset, buffer[0], rle_size);
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@ -190,6 +191,7 @@ namespace ams::patcher {
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/* Apply patch. */
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/* Apply patch. */
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u32 read_size = patch_size;
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u32 read_size = patch_size;
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if (patch_offset + read_size > mapped_size) {
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if (patch_offset + read_size > mapped_size) {
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AMS_ABORT_UNLESS(patch_offset <= mapped_size);
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read_size = mapped_size - patch_offset;
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read_size = mapped_size - patch_offset;
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}
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}
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{
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{
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