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Date: Tue, 24 Apr 2007 14:40:48 +0400 From: Alexey Dobriyan <adobriyan@...ru> To: roland@...hat.com, akpm@...l.org Cc: magnus_vesterlund@...mail.com, linux-kernel@...r.kernel.org, devel@...nvz.org Subject: Re: [Devel] [PATCH -mm] utrace: fix double free re __rcu_process_callbacks() On Tue, Apr 24, 2007 at 01:10:23PM +0400, Alexey Dobriyan wrote: > ยน But I see whole can of other bugs! I think they were already lurking > but weren't easily reproducable without hitting double-free first. > FWIW, it's > BUG_ON(!list_empty(&tsk->ptracees)); mmm, pretty easily reproduced with: while true; do killall -9 expl_ptratt 2>/dev/null; killall -9 exe 2>/dev/null; sleep 2; done vs while true; do ./expl_ptratt; done - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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