[bug #27328] find-4.5.5 -exec + segfaults in quotearg_buffer_restyled()

[James Youngman]

Follow-up Comment #1, bug #27328 (project findutils):

The immediate problem is these lines:

   1992   /* In parent; set up for next time. */
   1993   bc_clear_args(ctl, buildstate);

The effect of this is that this code...

   2007   if (WIFSIGNALED (wait_status))
   2008     {
   2009       error (0, 0, _("%s terminated by signal %d"),
   2010              quotearg_n_style(0, options.err_quoting_style,
   2011                               buildstate->cmd_argv[0]),
   2012              WTERMSIG (wait_status));

... causes a SIGSEGV since buildstate->cmd_argv[0] is NULL.


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