diff options
| -rw-r--r-- | kernel/trace/trace_syscalls.c | 4 |
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; |