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Fix: special elf program header with zero p_filesz #78

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merged 2 commits into from
Nov 15, 2024
Merged

Fix: special elf program header with zero p_filesz #78

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2b749e7
fix(firmware): support special ELF program header with p_filesz=0
andelf Nov 15, 2024
0bd1311
chore: keep a changelog
andelf Nov 15, 2024
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

## [Unreleased]

### Fixed

- Fix ELF firmware parsing error, #77

## [0.1.0] - 2024-11-11

### Added
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5 changes: 5 additions & 0 deletions src/firmware.rs
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Expand Up @@ -196,6 +196,11 @@ pub fn read_elf(elf_data: &[u8]) -> Result<Firmware> {

let flags = segment.p_flags(endian);

// The number of bytes in the file image of the segment, which can be zero.
if segment.p_filesz(endian) == 0 {
// skip empty segment
continue;
}
let segment_data = segment
.data(endian, elf_data)
.map_err(|_| anyhow::format_err!("Failed to access data for an ELF segment."))?;
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