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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/linux/ptrace.h
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@@ -9,6 +9,13 @@
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 #include <linux/bug.h>			/* For BUG_ON.  */
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 #include <linux/pid_namespace.h>	/* For task_active_pid_ns.  */
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 #include <uapi/linux/ptrace.h>
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+#include <linux/seccomp.h>
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+
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+/* Add sp to seccomp_data, as seccomp is user API, we don't want to modify it */
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+struct syscall_info {
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+	__u64			sp;
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+	struct seccomp_data	data;
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+};
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 extern int ptrace_access_vm(struct task_struct *tsk, unsigned long addr,
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 			    void *buf, int len, unsigned int gup_flags);
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@@ -23,7 +30,6 @@
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 #define PT_SEIZED	0x00010000	/* SEIZE used, enable new behavior */
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 #define PT_PTRACED	0x00000001
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-#define PT_DTRACE	0x00000002	/* delayed trace (used on m68k, i386) */
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 #define PT_OPT_FLAG_SHIFT	3
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 /* PT_TRACE_* event enable flags */
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@@ -39,12 +45,6 @@
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 #define PT_EXITKILL		(PTRACE_O_EXITKILL << PT_OPT_FLAG_SHIFT)
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 #define PT_SUSPEND_SECCOMP	(PTRACE_O_SUSPEND_SECCOMP << PT_OPT_FLAG_SHIFT)
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-
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-/* single stepping state bits (used on ARM and PA-RISC) */
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-#define PT_SINGLESTEP_BIT	31
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-#define PT_SINGLESTEP		(1<<PT_SINGLESTEP_BIT)
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-#define PT_BLOCKSTEP_BIT	30
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-#define PT_BLOCKSTEP		(1<<PT_BLOCKSTEP_BIT)
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 extern long arch_ptrace(struct task_struct *child, long request,
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 			unsigned long addr, unsigned long data);
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@@ -336,14 +336,19 @@
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 extern void user_enable_block_step(struct task_struct *);
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 #endif	/* arch_has_block_step */
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-#ifdef ARCH_HAS_USER_SINGLE_STEP_INFO
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-extern void user_single_step_siginfo(struct task_struct *tsk,
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-				struct pt_regs *regs, siginfo_t *info);
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+#ifdef ARCH_HAS_USER_SINGLE_STEP_REPORT
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+extern void user_single_step_report(struct pt_regs *regs);
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 #else
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-static inline void user_single_step_siginfo(struct task_struct *tsk,
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-				struct pt_regs *regs, siginfo_t *info)
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+static inline void user_single_step_report(struct pt_regs *regs)
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 {
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-	info->si_signo = SIGTRAP;
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+	kernel_siginfo_t info;
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+	clear_siginfo(&info);
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+	info.si_signo = SIGTRAP;
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+	info.si_errno = 0;
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+	info.si_code = SI_USER;
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+	info.si_pid = 0;
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+	info.si_uid = 0;
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+	force_sig_info(&info);
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 }
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 #endif
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@@ -402,8 +407,7 @@
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 #define current_user_stack_pointer() user_stack_pointer(current_pt_regs())
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 #endif
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-extern int task_current_syscall(struct task_struct *target, long *callno,
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-				unsigned long args[6], unsigned int maxargs,
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-				unsigned long *sp, unsigned long *pc);
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+extern int task_current_syscall(struct task_struct *target, struct syscall_info *info);
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+extern void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact);
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 #endif