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authorNicolas Pitre <nico@cam.org>2007-12-03 15:27:56 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-01-26 15:25:17 +0000
commit785d3cd286f0bf67d1bf692559b9ae5de12678f5 (patch)
treed533f0ab4792b1df11a0f862ec7246bb4455869c /arch/arm/kernel/kprobes.c
parentd30a0c8bf99f0e6a7d8c57bd4524039585ffbced (diff)
ARM kprobes: prevent some functions involved with kprobes from being probed
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/kernel/kprobes.c')
-rw-r--r--arch/arm/kernel/kprobes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index a18a8458e99..450ee2cbfe1 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -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;