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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 19 May 2002 12:35:37 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/linux linux_ptrace.c
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marcel      2002/05/19 12:35:36 PDT

  Modified files:
    sys/i386/linux       linux_ptrace.c 
  Log:
  o  Fix race condition caused by doing ptrace() for permission
     checking, followed by a lookup of the process. Do not call
     ptrace() for permission checking, but do it inline.
     Spotted by: rwatson
  
  o  While here, copy-in arguments before we lock. This fixes
     a possible permanent lock.
  
  Reviewed by: rwatson
  
  Revision  Changes    Path
  1.2       +44 -24    src/sys/i386/linux/linux_ptrace.c

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