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ARM kprobes: prevent some functions involved with kprobes from being probed

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Signed-off-by: Nicolas Pitre <nico@marvell.com>
This commit is contained in:
Nicolas Pitre
2007-12-03 15:27:56 -05:00
committed by Russell King
parent d30a0c8bf9
commit 785d3cd286
6 changed files with 20 additions and 13 deletions
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arch/arm/kernel/kprobes.c
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@@ -55,7 +55,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
unsigned long addr = (unsigned long)p->addr;
int is;
if (addr & 0x3)
if (addr & 0x3 || in_exception_text(addr))
return -EINVAL;
insn = *p->addr;