https://sourceware.org/bugzilla/show_bug.cgi?id=18850
Bug ID: 18850
Summary: sh_info not verified in VERNEED sections
Product: binutils
Version: 2.25
Status: NEW
Severity: minor
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: fab...@ritter-vogt.de
Target Milestone: ---
Created attachment 8533
--> https://sourceware.org/bugzilla/attachment.cgi?id=8533&action=edit
ELF file with wrong VERNEED sh_info
Using afl-fuzz I discovered that the attached file causes an excessive list of
dependencies to be displayed by objdump -p:
Version References:
required from libc.so.6:
0x09691a75 0x00 02 GLIBC_2.2.5
required from libc.so.6:
0x09691a75 0x00 02 GLIBC_2.2.5
required from libc.so.6:
0x09691a75 0x00 02 GLIBC_2.2.5
[ and another 32766 times ]
readelf -a -W complains:
readelf: Error: Reading 0x990 bytes extends past end of file for symbols
readelf: Warning: Corrupt Version Needs structure - offset to next structure is
zero with entries still left to be processed
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