diff options
83 files changed, 368 insertions, 489 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index d91f6c6e3d3b..237046f8a499 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -15930,7 +15930,6 @@ F: arch/*/ptrace*.c F: include/asm-generic/syscall.h F: include/linux/ptrace.h F: include/linux/regset.h -F: include/linux/tracehook.h F: include/uapi/linux/ptrace.h F: include/uapi/linux/ptrace.h F: kernel/ptrace.c diff --git a/arch/Kconfig b/arch/Kconfig index 84bc1de02720..305f741f3fab 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -217,9 +217,8 @@ config TRACE_IRQFLAGS_SUPPORT # asm/syscall.h supplying asm-generic/syscall.h interface # linux/regset.h user_regset interfaces # CORE_DUMP_USE_REGSET #define'd in linux/elf.h -# TIF_SYSCALL_TRACE calls tracehook_report_syscall_{entry,exit} -# TIF_NOTIFY_RESUME calls tracehook_notify_resume() -# signal delivery calls tracehook_signal_handler() +# TIF_SYSCALL_TRACE calls ptrace_report_syscall_{entry,exit} +# TIF_NOTIFY_RESUME calls resume_user_mode_work() # config HAVE_ARCH_TRACEHOOK bool diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index 8c43212ae38e..a1a239ea002d 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -15,7 +15,6 @@ #include <linux/user.h> #include <linux/security.h> #include <linux/signal.h> -#include <linux/tracehook.h> #include <linux/audit.h> #include <linux/uaccess.h> @@ -323,7 +322,7 @@ asmlinkage unsigned long syscall_trace_enter(void) unsigned long ret = 0; struct pt_regs *regs = current_pt_regs(); if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(current_pt_regs())) + ptrace_report_syscall_entry(current_pt_regs())) ret = -1UL; audit_syscall_entry(regs->r0, regs->r16, regs->r17, regs->r18, regs->r19); return ret ?: current_pt_regs()->r0; @@ -334,5 +333,5 @@ syscall_trace_leave(void) { audit_syscall_exit(current_pt_regs()); if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(current_pt_regs(), 0); + ptrace_report_syscall_exit(current_pt_regs(), 0); } diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index d8ed71d5bed3..6f47f256fe80 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -22,7 +22,7 @@ #include <linux/binfmts.h> #include <linux/bitops.h> #include <linux/syscalls.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <linux/uaccess.h> #include <asm/sigcontext.h> @@ -531,7 +531,7 @@ do_work_pending(struct pt_regs *regs, unsigned long thread_flags, do_signal(regs, r0, r19); r0 = 0; } else { - tracehook_notify_resume(regs); + resume_user_mode_work(regs); } } local_irq_disable(); diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c index 883391977fdf..54b419ac8bda 100644 --- a/arch/arc/kernel/ptrace.c +++ b/arch/arc/kernel/ptrace.c @@ -4,7 +4,6 @@ */ #include <linux/ptrace.h> -#include <linux/tracehook.h> #include <linux/sched/task_stack.h> #include <linux/regset.h> #include <linux/unistd.h> @@ -258,7 +257,7 @@ long arch_ptrace(struct task_struct *child, long request, asmlinkage int syscall_trace_entry(struct pt_regs *regs) { - if (tracehook_report_syscall_entry(regs)) + if (ptrace_report_syscall_entry(regs)) return ULONG_MAX; return regs->r8; @@ -266,5 +265,5 @@ asmlinkage int syscall_trace_entry(struct pt_regs *regs) asmlinkage void syscall_trace_exit(struct pt_regs *regs) { - tracehook_report_syscall_exit(regs, 0); + ptrace_report_syscall_exit(regs, 0); } diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index cb2f88502baf..f748483628f2 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -49,7 +49,7 @@ #include <linux/personality.h> #include <linux/uaccess.h> #include <linux/syscalls.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <linux/sched/task_stack.h> #include <asm/ucontext.h> @@ -438,5 +438,5 @@ void do_notify_resume(struct pt_regs *regs) * user mode */ if (test_thread_flag(TIF_NOTIFY_RESUME)) - tracehook_notify_resume(regs); + resume_user_mode_work(regs); } diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 43b963ea4a0e..bfe88c6e60d5 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -22,7 +22,6 @@ #include <linux/hw_breakpoint.h> #include <linux/regset.h> #include <linux/audit.h> -#include <linux/tracehook.h> #include <linux/unistd.h> #include <asm/syscall.h> @@ -831,8 +830,7 @@ enum ptrace_syscall_dir { PTRACE_SYSCALL_EXIT, }; -static void tracehook_report_syscall(struct pt_regs *regs, - enum ptrace_syscall_dir dir) +static void report_syscall(struct pt_regs *regs, enum ptrace_syscall_dir dir) { unsigned long ip; @@ -844,8 +842,8 @@ static void tracehook_report_syscall(struct pt_regs *regs, regs->ARM_ip = dir; if (dir == PTRACE_SYSCALL_EXIT) - tracehook_report_syscall_exit(regs, 0); - else if (tracehook_report_syscall_entry(regs)) + ptrace_report_syscall_exit(regs, 0); + else if (ptrace_report_syscall_entry(regs)) current_thread_info()->abi_syscall = -1; regs->ARM_ip = ip; @@ -856,7 +854,7 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) int scno; if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER); + report_syscall(regs, PTRACE_SYSCALL_ENTER); /* Do seccomp after ptrace; syscall may have changed. */ #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER @@ -897,5 +895,5 @@ asmlinkage void syscall_trace_exit(struct pt_regs *regs) trace_sys_exit(regs, regs_return_value(regs)); if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT); + report_syscall(regs, PTRACE_SYSCALL_EXIT); } diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index c532a6041066..459abc5d1819 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -9,7 +9,7 @@ #include <linux/signal.h> #include <linux/personality.h> #include <linux/uaccess.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <linux/uprobes.h> #include <linux/syscalls.h> @@ -627,7 +627,7 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) } else if (thread_flags & _TIF_UPROBE) { uprobe_notify_resume(regs); } else { - tracehook_notify_resume(regs); + resume_user_mode_work(regs); } } local_irq_disable(); diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 39dbdfdc38d3..230a47b9189e 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -27,7 +27,6 @@ #include <linux/perf_event.h> #include <linux/hw_breakpoint.h> #include <linux/regset.h> -#include <linux/tracehook.h> #include <linux/elf.h> #include <asm/compat.h> @@ -1792,8 +1791,7 @@ enum ptrace_syscall_dir { PTRACE_SYSCALL_EXIT, }; -static void tracehook_report_syscall(struct pt_regs *regs, - enum ptrace_syscall_dir dir) +static void report_syscall(struct pt_regs *regs, enum ptrace_syscall_dir dir) { int regno; unsigned long saved_reg; @@ -1819,11 +1817,11 @@ static void tracehook_report_syscall(struct pt_regs *regs, regs->regs[regno] = dir; if (dir == PTRACE_SYSCALL_ENTER) { - if (tracehook_report_syscall_entry(regs)) + if (ptrace_report_syscall_entry(regs)) forget_syscall(regs); regs->regs[regno] = saved_reg; } else if (!test_thread_flag(TIF_SINGLESTEP)) { - tracehook_report_syscall_exit(regs, 0); + ptrace_report_syscall_exit(regs, 0); regs->regs[regno] = saved_reg; } else { regs->regs[regno] = saved_reg; @@ -1833,7 +1831,7 @@ static void tracehook_report_syscall(struct pt_regs *regs, * tracer modifications to the registers may have rewound the * state machine. */ - tracehook_report_syscall_exit(regs, 1); + ptrace_report_syscall_exit(regs, 1); } } @@ -1842,7 +1840,7 @@ int syscall_trace_enter(struct pt_regs *regs) unsigned long flags = read_thread_flags(); if (flags & (_TIF_SYSCALL_EMU | _TIF_SYSCALL_TRACE)) { - tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER); + report_syscall(regs, PTRACE_SYSCALL_ENTER); if (flags & _TIF_SYSCALL_EMU) return NO_SYSCALL; } @@ -1870,7 +1868,7 @@ void syscall_trace_exit(struct pt_regs *regs) trace_sys_exit(regs, syscall_get_return_value(current, regs)); if (flags & (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP)) - tracehook_report_syscall(regs, PTRACE_SYSCALL_EXIT); + report_syscall(regs, PTRACE_SYSCALL_EXIT); rseq_syscall(regs); } diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 50fe8eaf7df0..4a4122ef6f39 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -16,7 +16,7 @@ #include <linux/uaccess.h> #include <linux/sizes.h> #include <linux/string.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <linux/ratelimit.h> #include <linux/syscalls.h> @@ -942,7 +942,7 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags) do_signal(regs); if (thread_flags & _TIF_NOTIFY_RESUME) - tracehook_notify_resume(regs); + resume_user_mode_work(regs); if (thread_flags & _TIF_FOREIGN_FPSTATE) fpsimd_restore_current_state(); diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c index 1a5f54e0d272..0f7e7b653c72 100644 --- a/arch/csky/kernel/ptrace.c +++ b/arch/csky/kernel/ptrace.c @@ -12,7 +12,6 @@ #include <linux/sched/task_stack.h> #include <linux/signal.h> #include <linux/smp.h> -#include <linux/tracehook.h> #include <linux/uaccess.h> #include <linux/user.h> @@ -321,7 +320,7 @@ long arch_ptrace(struct task_struct *child, long request, asmlinkage int syscall_trace_enter(struct pt_regs *regs) { if (test_thread_flag(TIF_SYSCALL_TRACE)) - if (tracehook_report_syscall_entry(regs)) + if (ptrace_report_syscall_entry(regs)) return -1; if (secure_computing() == -1) @@ -339,7 +338,7 @@ asmlinkage void syscall_trace_exit(struct pt_regs *regs) audit_syscall_exit(regs); if (test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(regs, 0); + ptrace_report_syscall_exit(regs, 0); if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) trace_sys_exit(regs, syscall_get_return_value(current, regs)); diff --git a/arch/csky/kernel/signal.c b/arch/csky/kernel/signal.c index 8867ddf3e6c7..b7b3685283d7 100644 --- a/arch/csky/kernel/signal.c +++ b/arch/csky/kernel/signal.c @@ -3,7 +3,7 @@ #include <linux/signal.h> #include <linux/uaccess.h> #include <linux/syscalls.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <asm/traps.h> #include <asm/ucontext.h> @@ -265,5 +265,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, do_signal(regs); if (thread_info_flags & _TIF_NOTIFY_RESUME) - tracehook_notify_resume(regs); + resume_user_mode_work(regs); } diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index a11db009d0ea..a9898b27b756 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -12,7 +12,6 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/audit.h> -#include <linux/tracehook.h> #include <linux/regset.h> #include <linux/elf.h> @@ -174,7 +173,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) long ret = 0; if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) + ptrace_report_syscall_entry(regs)) /* * Tracing decided this syscall should not happen. * We'll return a bogus call number to get an ENOSYS @@ -196,5 +195,5 @@ asmlinkage void do_syscall_trace_leave(struct pt_regs *regs) step = test_thread_flag(TIF_SINGLESTEP); if (step || test_thread_flag(TIF_SYSCALL_TRACE)) - tracehook_report_syscall_exit(regs, step); + ptrace_report_syscall_exit(regs, step); } diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 75a1c36b105a..0716fc8a8ce2 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -39,7 +39,7 @@ #include <linux/personality.h> #include <linux/tty.h> #include <linux/binfmts.h> -#include <linux/tracehook.h> +#include <linux/resume_user_mode.h> #include <asm/setup.h> #include <linux/uaccess.h> @@ -283,5 +283,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) do_signal(regs); if (thread_info_flags & _TIF_NOTIFY_RESUME) - tracehook_notify_resume(regs); + resume_user_mode_work(regs); } diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c index dfa6b2757c05..eab03c691f53 100644 --- a/arch/hexagon/kernel/process.c +++ b/arch/hexagon/kernel/process.c @@ -14,7 +14,7 @@ #include <linux/tick.h> < |