https://sourceware.org/bugzilla/show_bug.cgi?id=18257
Bug ID: 18257
Summary: objdump -d crashes on kandw-instruction (x86-64)
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: lukas.lueg at gmail dot com
Using binutils git 0ff6fcb... (2015/04/13) the following one-liner crashes with
a segmentation fault in OP_G(), i386-dic.c:15258, trying to call oappend(s=0x0)
echo "int main(){__asm__(\".byte 0xc5,0x3c,0x41\");return 0;}" | gcc -m64 -xc -
&& ~/dev/binutils-gdb/binutils/objdump -d a.out > /dev/null
binutils 2.24 disassembles this as "kandw (bad),k0,k7; cmp $0x41,%al)"
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