[llvm-bugs] [Bug 25647] New: SystemZ target: OOB read on "llvm-mc -show-inst-operands"

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Nov 25 19:23:34 PST 2015


https://llvm.org/bugs/show_bug.cgi?id=25647

            Bug ID: 25647
           Summary: SystemZ target: OOB read on "llvm-mc
                    -show-inst-operands"
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: j.neuschaefer at gmx.net
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 15356
  --> https://llvm.org/bugs/attachment.cgi?id=15356&action=edit
Command line and ASan output

Compiling LLVM with AddressSanitizer shows that "llvm-mc -show-inst-operands
-arch systemz <<< asdf" reads out-of-bounds. See the attached log for more
information.

Tested on a19bd39c4e4/r254120 (current git HEAD), but months older versions are
affected, too.

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