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Fix reversed math calculation when decoding DDT v2.

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Natalia Portillo
2025-08-05 02:48:59 +01:00
parent 8bef2c3d60
commit 229f20faff
1 changed files with 2 additions and 2 deletions
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4
src/ddt/ddt_v2.c
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@@ -428,8 +428,8 @@ int32_t decode_ddt_entry_v2(aaruformatContext *ctx, uint64_t sectorAddress, uint
} }
const uint64_t offsetMask = (uint64_t)((1 << ctx->userDataDdtHeader.dataShift) - 1); const uint64_t offsetMask = (uint64_t)((1 << ctx->userDataDdtHeader.dataShift) - 1);
*offset = (ddtEntry & offsetMask) * (1 << ctx->userDataDdtHeader.blockAlignmentShift); *offset = ddtEntry & offsetMask;
*blockOffset = ddtEntry >> ctx->userDataDdtHeader.dataShift; *blockOffset = (ddtEntry >> ctx->userDataDdtHeader.dataShift) * (1 << ctx->userDataDdtHeader.blockAlignmentShift);
return AARUF_STATUS_OK; return AARUF_STATUS_OK;
} }