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SubjectRe: [PATCH v5 3.1.0-rc4-tip 17/26] x86: arch specific hooks for pre/post singlestep handling.
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On Tue, 2011-09-20 at 17:33 +0530, Srikar Dronamraju wrote:
> +fail:
> + pr_warn_once("uprobes: Failed to adjust return address after"
> + " single-stepping call instruction;"
> + " pid=%d, sp=%#lx\n", current->pid, sp);
> + return -EFAULT;

So how can that happen? Single-Step while someone unmapped the stack?


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