Messages in this thread Patch in this message | | | Date | Fri, 22 Mar 2013 20:47:58 +0530 | From | Ananth N Mavinakayanahalli <> | Subject | [PATCH v2 2/4] uprobes: refuse uprobe on trap variants |
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From: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Refuse to place a uprobe if a trap variant already exists in the file copy at the address.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> --- kernel/events/uprobes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-3.9-rc3/kernel/events/uprobes.c =================================================================== --- linux-3.9-rc3.orig/kernel/events/uprobes.c +++ linux-3.9-rc3/kernel/events/uprobes.c @@ -573,7 +573,7 @@ static int prepare_uprobe(struct uprobe goto out; ret = -ENOTSUPP; - if (is_swbp_insn((uprobe_opcode_t *)uprobe->arch.insn)) + if (is_trap_insn((uprobe_opcode_t *)uprobe->arch.insn)) goto out; ret = arch_uprobe_analyze_insn(&uprobe->arch, mm, vaddr);
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