| Message ID | 20091211.225523.226799586.davem@davemloft.net |
|---|---|
| State | Accepted |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c index 3bc6527..6716584 100644 --- a/arch/sparc/kernel/kprobes.c +++ b/arch/sparc/kernel/kprobes.c @@ -46,6 +46,9 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}}; int __kprobes arch_prepare_kprobe(struct kprobe *p) { + if ((unsigned long) p->addr & 0x3UL) + return -EILSEQ; + p->ainsn.insn[0] = *p->addr; flushi(&p->ainsn.insn[0]);
Otherwise it isn't a valid instruction address. This is the sparc equivalent of commit b46b3d70c9c017d7c4ec49f7f3ffd0af5a622277 (kprobes: Checks probe address is instruction boudary on x86) Signed-off-by: David S. Miller <davem@davemloft.net> --- arch/sparc/kernel/kprobes.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)