Messages in this thread | | | Date | Mon, 21 Dec 2009 18:02:37 +0100 | From | Oleg Nesterov <> | Subject | Re: BKL use in ptrace |
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(add Roland)
On 12/20, Andi Kleen wrote: > > ptrace has this comment/BKL use: > > /* > * This lock_kernel fixes a subtle race with suid exec > */ > lock_kernel(); > > But unless I'm blind I don't see execve actually getting the BKL > anywhere. So is this comment outdated or misleading (is the race with exit?) > or is there a bug?
I never understood this lock_kernel().
In any case it looks outdated. We were going to kill it "soon", along with other ptrace changes.
Oleg.
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