https://sourceware.org/bugzilla/show_bug.cgi?id=17765
Bug ID: 17765
Summary: Bad bit shift operation
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: sourceware-bugs at internot dot info
Hi,
In /elflink.c, there is a possible invalid bitshift operation in the put_value
function.
In expression x >>= chunksz * 8UL, right shifting by more than 63 bits has
undefined behavior. The shift amount, chunksz * 8, is 64.
7806 for (; size; size -= chunksz, location -= chunksz, x >>= (chunksz * 8))
7807 {
Thanks,
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