http://sourceware.org/bugzilla/show_bug.cgi?id=13220
Bug #: 13220
Summary: readelf invalid memory access (process_abbrev_section)
Product: binutils
Version: 2.21
Status: NEW
Severity: normal
Priority: P2
Component: binutils
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Created attachment 5943
--> http://sourceware.org/bugzilla/attachment.cgi?id=5943
valgrind readelf -w <file> to reproduce the bug
readelf appears to access invalid memory as reported by valgrind when showing
debug information for the attached file (readelf -w <file>).
Valgrind outputs 6 messages similar to
==28223== Invalid read of size 1
==28223== at 0x42EFF0: process_abbrev_section (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== by 0x424F11: display_debug_abbrev (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== by 0x41F99F: process_object (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== by 0x42372D: main (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== Address 0x4fbe219 is 1 bytes after a block of size 40 alloc'd
==28223== at 0x4029B6A: malloc (vg_replace_malloc.c:263)
==28223== by 0x404BCC: get_data (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== by 0x412C4D: load_specific_debug_section (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== by 0x41F984: process_object (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
==28223== by 0x42372D: main (in
/data/scratchpad/binutils-2.21.53/binutils/readelf)
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