https://sourceware.org/bugzilla/show_bug.cgi?id=22426
Bug ID: 22426
Summary: objcopy with fabricated file
Product: binutils
Version: 2.29
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: yeokaiyeat at hotmail dot com
Target Milestone: ---
Created attachment 10584
--> https://sourceware.org/bugzilla/attachment.cgi?id=10584&action=edit
testcase that crashes objcopy
hello, during a fuzzing attempt on objcopy in binutils (2.26.1), fuzzed file
produces a crash when a certain fuzzed input is given. The same file is tested
again in binutils build 2.29.59.20171104
the error produced are as follows:
./objcopy: stYS7rQI : attempt to write out unknown reloc type
./objcopy:stYS7rQI: Invalid operation
===================================================================
==8555==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 9 byte(s) in 1 object(s) allocated from:
#0 0x7fdaf84d3602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602
#1 0xa755ec in xmalloc xmalloc.c:147
SUMMARY: AddressSanitizer: 9 byte(s) leaked in 1 allocation(s).
attached is the test case
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