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-rw-r--r--kernel/trace/trace_syscalls.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 85291c4de40..cb7f600cb02 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -227,6 +227,8 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
int syscall_nr;
syscall_nr = syscall_get_nr(current, regs);
+ if (syscall_nr < 0)
+ return;
if (!test_bit(syscall_nr, enabled_enter_syscalls))
return;
@@ -257,6 +259,8 @@ void ftrace_syscall_exit(struct pt_regs *regs, long ret)
int syscall_nr;
syscall_nr = syscall_get_nr(current, regs);
+ if (syscall_nr < 0)
+ return;
if (!test_bit(syscall_nr, enabled_exit_syscalls))
return;