diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/ptrace.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c index 0da59b42843..5ee9e1d6065 100644 --- a/arch/i386/kernel/ptrace.c +++ b/arch/i386/kernel/ptrace.c @@ -683,8 +683,19 @@ void do_syscall_trace(struct pt_regs *regs, int entryexit) /* do the secure computing check first */ secure_computing(regs->orig_eax); - if (unlikely(current->audit_context) && entryexit) - audit_syscall_exit(current, AUDITSC_RESULT(regs->eax), regs->eax); + if (unlikely(current->audit_context)) { + if (entryexit) + audit_syscall_exit(current, AUDITSC_RESULT(regs->eax), regs->eax); + + /* Debug traps, when using PTRACE_SINGLESTEP, must be sent only + * on the syscall exit path. Normally, when TIF_SYSCALL_AUDIT is + * not used, entry.S will call us only on syscall exit, not + * entry ; so when TIF_SYSCALL_AUDIT is used we must avoid + * calling send_sigtrap() on syscall entry. + */ + else if (is_singlestep) + goto out; + } if (!(current->ptrace & PT_PTRACED)) goto out; |