https://sourceware.org/bugzilla/show_bug.cgi?id=28047
Bug ID: 28047
Summary: readelf crashed due to Assertion failed in
dwarf.c:skip_attr_bytes
Product: binutils
Version: 2.37 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: shaohua.li at inf dot ethz.ch
Target Milestone: ---
Created attachment 13525
--> https://sourceware.org/bugzilla/attachment.cgi?id=13525&action=edit
poc
Hi there,
I crashed `readelf -w` with a fuzzer. The cause is Assertion `(data) <= (end)'
failed in dwarf.c:skip_attr_bytes.
- Compiler: clang12
- Platform: Ubuntu 18.04.5 LTS, x86_64
- Reproduce: run `readelf -w poc`
The raw output was:
readelf: dwarf.c:1969: unsigned char *skip_attr_bytes(unsigned long, unsigned
char *, unsigned char *, dwarf_vma, dwarf_vma, int, dwarf_vma *): Assertion
`(data) <= (end)' failed.
Aborted
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