summaryrefslogtreecommitdiffstats
path: root/arch/arm64/kernel/ptrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kernel/ptrace.c')
-rw-r--r--arch/arm64/kernel/ptrace.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index da2441d7b066..3cf3b135027e 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1808,8 +1808,12 @@ static void tracehook_report_syscall(struct pt_regs *regs,
int syscall_trace_enter(struct pt_regs *regs)
{
- if (test_thread_flag(TIF_SYSCALL_TRACE))
+ if (test_thread_flag(TIF_SYSCALL_TRACE) ||
+ test_thread_flag(TIF_SYSCALL_EMU)) {
tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER);
+ if (!in_syscall(regs) || test_thread_flag(TIF_SYSCALL_EMU))
+ return -1;
+ }
/* Do the secure computing after ptrace; failures should be fast. */
if (secure_computing(NULL) == -1)