linux-kernel - Re: [PATCH 1/3] ptrace: ptrace_attach: check PF_KTHREAD + exit

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Date:	Tue,  5 May 2009 19:06:17 -0700 (PDT)
From:	Roland McGrath <roland@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...hat.com>, chrisw@...s-sol.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ptrace: ptrace_attach: check PF_KTHREAD +
 exit_state instead of ->mm

> I now have:
> 
> #
> # ptrace
> #
> ptrace-remove-pt_dtrace-from-arch-h8300.patch
> ptrace-remove-pt_dtrace-from-avr32-mn10300-parisc-s390-sh-xtensa.patch
> ptrace-remove-pt_dtrace-from-m68k-m68knommu.patch
> ptrace-remove-pt_dtrace-from-arch-m32r.patch
> ptrace-mm_need_new_owner-use-real_parent-to-search-in-the-siblings.patch
> ptrace-tracehook_unsafe_exec-remove-the-stale-comment.patch
> ptrace-tracehook_unsafe_exec-remove-the-stale-comment-fix.patch
> ptrace-do-not-use-task-ptrace-directly-in-core-kernel.patch
> #
> # utrace
> #
> signals-tracehook_notify_jctl-change.patch
> utrace-core.patch
> utrace-core-kill-exclude_xtrace-logic.patch

I'd swap these three to be after ...

> #
> ptrace-ptrace_attach-check-pf_kthread-exit_state-instead-of-mm.patch
> ptrace-cleanup-check-set-of-pt_ptraced-during-attach.patch
> ptrace-do-not-use-task_lock-for-attach.patch
> ptrace_get_task_struct-s-tasklist-rcu-make-it-static.patch

... all these.  Some more ptrace patches will come in and can also go after
these ptrace* ones but before the "utrace three".  When we get there we'll
replace those three including utrace with probably two (a revamp of the
tracehook change plus a single refreshed utrace.patch).


Thanks,
Roland
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