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Diffstat (limited to 'arch/x86/kernel/uprobes.c')
-rw-r--r--arch/x86/kernel/uprobes.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index acf8b9010bbf..bf4db6eaec8f 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -989,5 +989,8 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs
bool arch_uretprobe_is_alive(struct return_instance *ret, enum rp_check ctx,
struct pt_regs *regs)
{
- return regs->sp <= ret->stack;
+ if (ctx == RP_CHECK_CALL) /* sp was just decremented by "call" insn */
+ return regs->sp < ret->stack;
+ else
+ return regs->sp <= ret->stack;
}