When cross-compiling kernel/signal.c from the Linux kernel for Vax on an i686
Linux PC the assembler crashes with memory corruption reported by libc. Using
libefence turns the error into a segmentation fault.
The error is caused by lines 550-552 in app.c. If the from-buffer contains more
text than the space left in the to-buffer to ends up pointing after the buffer,
and the next call of PUT writes beyond the end.
To fix the problem something like the attached patch could be used - it just
copies the check from PUT.
--
Summary: Memory corruption from gas
Product: binutils
Version: 2.17
Status: NEW
Severity: critical
Priority: P2
Component: gas
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: renard at nospam dot dk
CC: bug-binutils at gnu dot org
GCC host triplet: i686-linux-gnu
GCC target triplet: vax-linux-uclibc
http://sourceware.org/bugzilla/show_bug.cgi?id=4722
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