Messages in this thread | | | Subject | Re: [PATCH 1/3] uprobes: install_breakpoint() should fail if is_swbp_insn() == T | From | Peter Zijlstra <> | Date | Thu, 31 May 2012 14:15:18 +0200 |
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On Wed, 2012-05-30 at 19:49 +0200, Peter Zijlstra wrote: > > Oh, indeed. I overlooked copy_insn() is taking the page from the > page-cache instead of the page-tables and will thus get the original. >
Related to this, what happens when we try to install a probe on a page that's already been COWed by a ptrace user?
Say gdb did a code modification at or near the intended probe site.
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