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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sat, 5 Feb 2011 12:54:59 +0000 (UTC)
To: cvs-src-old@freebsd.org
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Subject: cvs commit: src/bin/sh exec.c sh.1
 src/tools/regression/bin/sh/errors bad-binary1.126
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jilles      2011-02-05 12:54:59 UTC

  FreeBSD src repository

  Modified files:
    bin/sh               exec.c sh.1 
  Added files:
    tools/regression/bin/sh/errors bad-binary1.126 
  Log:
  SVN rev 218320 on 2011-02-05 12:54:59Z by jilles
  
  sh: Do not try to execute binary files as scripts.
  
  If execve() returns an [ENOEXEC] error, check if the file is binary before
  trying to execute it using sh. A file is considered binary if at least one
  of the first 256 bytes is '\0'.
  
  In particular, trying to execute ELF binaries for the wrong architecture now
  fails with an "Exec format error" message instead of syntax errors and
  potentially strange results.
  
  Revision  Changes    Path
  1.50      +15 -1     src/bin/sh/exec.c
  1.157     +1 -0      src/bin/sh/sh.1
  1.1       +12 -0     src/tools/regression/bin/sh/errors/bad-binary1.126 (new)