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3487586966
Also add out-of-tree patches for bugs we fixed in the meantime. Differential Revision: https://phabricator.services.mozilla.com/D139466
34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
diff --git a/src/common/linux/file_id.cc b/src/common/linux/file_id.cc
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--- a/src/common/linux/file_id.cc
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+++ b/src/common/linux/file_id.cc
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@@ -115,28 +115,27 @@ static bool FindElfBuildIDNote(const voi
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return false;
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}
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// Attempt to locate the .text section of an ELF binary and generate
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// a simple hash by XORing the first page worth of bytes into |identifier|.
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static bool HashElfTextSection(const void* elf_mapped_base,
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wasteful_vector<uint8_t>& identifier) {
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- identifier.resize(kMDGUIDSize);
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-
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void* text_section;
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size_t text_size;
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if (!FindElfSection(elf_mapped_base, ".text", SHT_PROGBITS,
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(const void**)&text_section, &text_size) ||
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text_size == 0) {
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return false;
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}
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// Only provide |kMDGUIDSize| bytes to keep identifiers produced by this
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// function backwards-compatible.
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+ identifier.resize(kMDGUIDSize);
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my_memset(&identifier[0], 0, kMDGUIDSize);
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const uint8_t* ptr = reinterpret_cast<const uint8_t*>(text_section);
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const uint8_t* ptr_end = ptr + std::min(text_size, static_cast<size_t>(4096));
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while (ptr < ptr_end) {
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for (unsigned i = 0; i < kMDGUIDSize; i++)
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identifier[i] ^= ptr[i];
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ptr += kMDGUIDSize;
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}
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