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[Bug libc/18100] SIGFPE in wordexp/eval_expr_multdiv


https://sourceware.org/bugzilla/show_bug.cgi?id=18100

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2b028564f14d20cdda0c00d8ba100695b40501f5

commit 2b028564f14d20cdda0c00d8ba100695b40501f5
Author: Florian Weimer <fweimer@redhat.com>
Date:   Mon Mar 23 16:12:38 2015 +0100

    Avoid SIGFPE in wordexp [BZ #18100]

    Check for a zero divisor and integer overflow before performing
    division in arithmetic expansion.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog            |   10 ++++++++++
 NEWS                 |    4 ++--
 manual/pattern.texi  |    3 ++-
 posix/wordexp-test.c |   40 ++++++++++++++++++++++++++++++++++++++++
 posix/wordexp.c      |    4 ++++
 5 files changed, 58 insertions(+), 3 deletions(-)

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