diff options
Diffstat (limited to 'include/linux/ptrace.h')
| -rw-r--r-- | include/linux/ptrace.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 90507d4afcd6..2839d5c8eaa0 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -17,6 +17,7 @@ struct syscall_info { struct seccomp_data data; }; +bool ptracer_access_allowed(struct task_struct *tsk); extern int ptrace_access_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, unsigned int gup_flags); @@ -404,13 +405,13 @@ extern void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oa /* * ptrace report for syscall entry and exit looks identical. */ -static inline int ptrace_report_syscall(unsigned long message) +static inline bool ptrace_report_syscall(unsigned long message) { int ptrace = current->ptrace; int signr; if (!(ptrace & PT_PTRACED)) - return 0; + return true; signr = ptrace_notify(SIGTRAP | ((ptrace & PT_TRACESYSGOOD) ? 0x80 : 0), message); @@ -423,11 +424,11 @@ static inline int ptrace_report_syscall(unsigned long message) if (signr) send_sig(signr, current, 1); - return fatal_signal_pending(current); + return !fatal_signal_pending(current); } /** - * ptrace_report_syscall_entry - task is about to attempt a system call + * ptrace_report_syscall_permit_entry - task is about to attempt a system call * @regs: user register state of current task * * This will be called if %SYSCALL_WORK_SYSCALL_TRACE or @@ -437,7 +438,7 @@ static inline int ptrace_report_syscall(unsigned long message) * call number and arguments to be tried. It is safe to block here, * preventing the system call from beginning. * - * Returns zero normally, or nonzero if the calling arch code should abort + * Returns True normally, or False if the calling architecture code should abort * the system call. That must prevent normal entry so no system call is * made. If @task ever returns to user mode after this, its register state * is unspecified, but should be something harmless like an %ENOSYS error @@ -446,8 +447,7 @@ static inline int ptrace_report_syscall(unsigned long message) * * Called without locks, just after entering kernel mode. */ -static inline __must_check int ptrace_report_syscall_entry( - struct pt_regs *regs) +static inline __must_check bool ptrace_report_syscall_permit_entry(struct pt_regs *regs) { return ptrace_report_syscall(PTRACE_EVENTMSG_SYSCALL_ENTRY); } |