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[Bug uprobes/10595] uprobe probes causes selinux failures
- From: "jkenisto at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 4 Sep 2009 18:08:04 -0000
- Subject: [Bug uprobes/10595] uprobe probes causes selinux failures
- References: <20090903122458.10595.mjw@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From jkenisto at us dot ibm dot com 2009-09-04 18:08 -------
(In reply to comment #8)
> (In reply to comment #7)
> > (In reply to comment #5)
> > > Created an attachment (id=4170)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4170&action=view)
> > > ssol-vma-selinux patch using shmem_file_setup
> >
> > At this point
> > if (addr & ~PAGE_MASK) {
> > addr will be undefined if shmem_file_setup() returned NULL.
>
> addr would be 0 if !file, since earlier in the function we have:
>
> if ((addr = find_old_ssol_vma()) != 0)
> return addr;
You're right, it'd be 0. But with above test, addr==0 would look like success.
>
> > Yes, runtime/uprobes/uprobes.c and ubp_xol.c (?) in the ubp-based uprobes bits.
> > Thanks, mjw. Srikar, are you going to take it from here?
>
> I found fche's utrace-ext.git repo, is that where those are now? I can certainly
> build that and supply a patch for it. Which branch should it be against?
> utrace-uprobes or utrace-gdbstub-uprobes? Does that uprobes kernel module
> version work against systemtap git?
Sorry, I haven't been keeping up with that code base except via code reviews.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10595
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