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An attempt to address unusual case where 'note' size is larger than Elf_Word

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This commit is contained in:
Serge Lamikhov-Center 2022-06-21 08:07:06 +03:00
parent ee891ca7c9
commit 9d6984a59b
2 changed files with 5 additions and 2 deletions
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2
.vscode/launch.json vendored
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@ -102,7 +102,7 @@
"request": "launch",
"program": "${workspaceFolder}/tests/elfio_fuzzer",
"args": [
"oom-9025696a52c7f5cb94d482225a6b3727e9691f5b"
"oom-7ff496ad1166860893dba1121d088da4ce9fef65"
],
"cwd": "${workspaceFolder}/tests",
}

5
elfio/elfio_note.hpp
View File

@ -152,9 +152,12 @@ class note_section_accessor_template
(Elf_Xword)3 * sizeof( Elf_Word ) +
( ( namesz + align - 1 ) / align ) * (Elf_Xword)align +
( ( descsz + align - 1 ) / align ) * (Elf_Xword)align;
if ( current + advance <= size ) {
if ( namesz < size && descsz < size && current + advance <= size ) {
note_start_positions.emplace_back( current );
}
else {
break;
}
current += advance;
}