[Pkg-shadow-devel] Bug#360276: su: wrong exit status for commands terminated by signals

[Eero Häkkinen]

Package: login
Version: 1:4.0.15-1
Severity: normal
Tags: patch

If the command executed by su is terminated by a signal which was not 
cautch, the number of that signal is given to the parent process of su. In 
that situation su exists with an exit status 0 and thus does not give any 
indication of the signal.

Thus the command
    # su nobody -c 'kill -s HUP $$'; echo $?
    0
should print 129 (128+1) instead of 0.

The source code lacks the test of WIFEXITED and the use of WTERMSIG for the 
status returned by waitpid.

-- System Information:
Architecture: powerpc (ppc)
Kernel: Linux 2.6.15-1-powerpc
Locale: LANG=fi_FI.UTF-8, LC_CTYPE=fi_FI.UTF-8 (charmap=UTF-8)
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