| /linux/tools/testing/selftests/powerpc/ptrace/ |
| H A D | Makefile | 3 TM_TESTS := ptrace-tm-gpr
4 TM_TESTS += ptrace-tm-spd-gpr
5 TM_TESTS += ptrace-tm-spd-tar
6 TM_TESTS += ptrace-tm-spd-vsx
7 TM_TESTS += ptrace-tm-spr
8 TM_TESTS += ptrace-tm-tar
9 TM_TESTS += ptrace-tm-vsx
14 TESTS_64 += ptrace-hwbreak
15 TESTS_64 += ptrace-perf-hwbreak
16 TESTS_64 += ptrace-pkey
[all …]
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| H A D | .gitignore | 2 ptrace-gpr
3 ptrace-tm-gpr
4 ptrace-tm-spd-gpr
5 ptrace-tar
6 ptrace-tm-tar
7 ptrace-tm-spd-tar
8 ptrace-vsx
9 ptrace-tm-vsx
10 ptrace-tm-spd-vsx
11 ptrace-tm-spr
[all …]
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| H A D | ptrace.h | 68 ret = ptrace(PTRACE_ATTACH, child, NULL, NULL); in start_trace()
85 ret = ptrace(PTRACE_DETACH, child, NULL, NULL); in stop_trace()
97 ret = ptrace(PTRACE_CONT, child, NULL, NULL); in cont_trace()
116 ret = ptrace(PTRACE_GETREGSET, child, type, &iov); in ptrace_read_regs()
136 ret = ptrace(PTRACE_SETREGSET, child, type, &iov); in ptrace_write_regs()
158 ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_TAR, &iov); in show_tar_registers()
166 ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_PPR, &iov); in show_tar_registers()
174 ret = ptrace(PTRACE_GETREGSET, child, NT_PPC_DSCR, &iov); in show_tar_registers()
206 ret = ptrace(PTRACE_SETREGSET, child, NT_PPC_TAR, &iov); in write_tar_registers()
213 ret = ptrace(PTRACE_SETREGSET, child, NT_PPC_PPR, &iov); in write_tar_registers()
[all …]
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| H A D | ptrace-hwbreak.c | 54 if (ptrace(PPC_PTRACE_GETHWDBGINFO, child_pid, NULL, dbginfo)) { in get_dbginfo()
121 if (ptrace(PTRACE_TRACEME, 0, NULL, 0)) { in test_workload()
224 ptrace(PTRACE_GETSIGINFO, child_pid, NULL, &siginfo); in check_success()
241 ptrace(PTRACE_SINGLESTEP, child_pid, NULL, 0); in check_success()
248 if (ptrace(PTRACE_SET_DEBUGREG, child_pid, 0, wp_addr)) { in ptrace_set_debugreg()
256 int wh = ptrace(PPC_PTRACE_SETHWDEBUG, child_pid, 0, info); in ptrace_sethwdebug()
267 if (ptrace(PPC_PTRACE_DELHWDEBUG, child_pid, 0, wh) < 0) { in ptrace_delhwdebug()
289 ptrace(PTRACE_CONT, child_pid, NULL, 0); in test_set_debugreg()
299 ptrace(PTRACE_CONT, child_pid, NULL, 0); in test_set_debugreg()
310 ptrace(PTRACE_CONT, child_pid, NULL, 0); in test_set_debugreg()
[all …]
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| H A D | ptrace-syscall.c | 74 if (ptrace(PTRACE_TRACEME, 0, 0, 0) != 0) in test_ptrace_syscall_restart()
92 if (ptrace(PTRACE_SYSEMU, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
96 if (ptrace(PTRACE_GETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
127 if (ptrace(PTRACE_SETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
130 if (ptrace(PTRACE_SYSEMU, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
134 if (ptrace(PTRACE_GETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
170 if (ptrace(PTRACE_SETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
173 if (ptrace(PTRACE_SYSEMU, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
177 if (ptrace(PTRACE_GETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
203 if (ptrace(PTRACE_CONT, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
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| /linux/arch/powerpc/kernel/ptrace/ |
| H A D | Makefile | 8 obj-y += ptrace.o ptrace-view.o
9 obj-y += ptrace-fpu.o
11 obj-$(CONFIG_VSX) += ptrace-vsx.o
13 obj-y += ptrace-novsx.o
15 obj-$(CONFIG_ALTIVEC) += ptrace-altivec.o
16 obj-$(CONFIG_SPE) += ptrace-spe.o
17 obj-$(CONFIG_PPC_TRANSACTIONAL_MEM) += ptrace-tm.o
18 obj-$(CONFIG_PPC_ADV_DEBUG_REGS) += ptrace-adv.o
20 obj-y += ptrace-noadv.o
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| /linux/tools/perf/arch/x86/tests/ |
| H A D | bp-modify.c | 40 int err = ptrace(PTRACE_TRACEME, 0, NULL, NULL); in spawn_child()
81 if (ptrace(PTRACE_POKEUSER, child, in bp_modify1()
88 if (ptrace(PTRACE_POKEUSER, child, in bp_modify1()
95 if (ptrace(PTRACE_POKEUSER, child, in bp_modify1()
101 if (ptrace(PTRACE_CONT, child, NULL, NULL)) { in bp_modify1()
112 rip = ptrace(PTRACE_PEEKUSER, child, in bp_modify1()
123 if (ptrace(PTRACE_DETACH, child, NULL, NULL)) { in bp_modify1()
158 if (ptrace(PTRACE_POKEUSER, child, in bp_modify2()
165 if (ptrace(PTRACE_POKEUSER, child, in bp_modify2()
171 if (!ptrace(PTRACE_POKEUSER, child, in bp_modify2()
[all …]
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| /linux/tools/testing/selftests/arm64/fp/ |
| H A D | Makefile | 9 fp-ptrace \
11 sve-ptrace sve-probe-vls \
13 za-fork za-ptrace
20 zt-ptrace \
30 $(OUTPUT)/fp-ptrace: fp-ptrace.c fp-ptrace-asm.S
35 $(OUTPUT)/sve-ptrace: sve-ptrace.c
47 $(OUTPUT)/za-ptrace: za-ptrace.c
50 $(OUTPUT)/zt-ptrace: zt-ptrace.c
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| H A D | .gitignore | 2 fp-ptrace
9 sve-ptrace
15 za-ptrace
17 zt-ptrace
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| /linux/include/linux/ |
| H A D | ptrace.h | 97 if (unlikely(child->ptrace)) in ptrace_unlink()
119 if (unlikely(task->ptrace)) in ptrace_parent()
135 return task->ptrace & PT_EVENT_FLAG(event); in ptrace_event_enabled()
154 if ((current->ptrace & (PT_PTRACED|PT_SEIZED)) == PT_PTRACED) in ptrace_event()
200 static inline void ptrace_init_task(struct task_struct *child, bool ptrace) in ptrace_init_task() argument
205 child->ptrace = 0; in ptrace_init_task()
208 if (unlikely(ptrace) && current->ptrace) { in ptrace_init_task()
209 child->ptrace = current->ptrace; in ptrace_init_task()
212 if (child->ptrace & PT_SEIZED) in ptrace_init_task()
409 int ptrace = current->ptrace; in ptrace_report_syscall() local
[all …]
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| /linux/tools/testing/selftests/arm64/abi/ |
| H A D | ptrace.c | 45 ret = ptrace(PTRACE_GETREGSET, child, NT_ARM_TLS, &read_iov); in test_tpidr()
51 ret = ptrace(PTRACE_SETREGSET, child, NT_ARM_TLS, &write_iov); in test_tpidr()
55 ret = ptrace(PTRACE_GETREGSET, child, NT_ARM_TLS, &read_iov); in test_tpidr()
61 ret = ptrace(PTRACE_GETREGSET, child, NT_ARM_TLS, &read_iov); in test_tpidr()
82 ret = ptrace(PTRACE_SETREGSET, child, NT_ARM_TLS, &write_iov); in test_tpidr()
90 ret = ptrace(PTRACE_GETREGSET, child, NT_ARM_TLS, &read_iov); in test_tpidr()
112 ret = ptrace(PTRACE_SETREGSET, child, NT_ARM_TLS, &write_iov); in test_tpidr()
117 ret = ptrace(PTRACE_GETREGSET, child, NT_ARM_TLS, in test_tpidr()
145 ret = ptrace(PTRACE_GETREGSET, child, type, &iov); in test_hw_debug()
165 if (ptrace(PTRACE_TRACEME, -1, NULL, NULL)) in do_child()
[all …]
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| /linux/tools/testing/selftests/x86/ |
| H A D | ptrace_syscall.c | 183 if (ptrace(PTRACE_TRACEME, 0, 0, 0) != 0) in test_ptrace_syscall_restart()
204 if (ptrace(PTRACE_SYSEMU, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
208 if (ptrace(PTRACE_GETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
232 if (ptrace(PTRACE_SETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
235 if (ptrace(PTRACE_SYSEMU, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
239 if (ptrace(PTRACE_GETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
264 if (ptrace(PTRACE_SETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
267 if (ptrace(PTRACE_SYSEMU, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
271 if (ptrace(PTRACE_GETREGS, chld, 0, ®s) != 0) in test_ptrace_syscall_restart()
283 if (ptrace(PTRACE_CONT, chld, 0, 0) != 0) in test_ptrace_syscall_restart()
[all …]
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| H A D | fsgsbase_restore.c | 161 if (ptrace(PTRACE_TRACEME, 0, 0, 0) != 0) in main()
189 if (ptrace(PTRACE_GETREGS, chld, NULL, ®s) != 0) in main()
207 if (ptrace(PTRACE_SETREGS, chld, NULL, ®s2) != 0) in main()
209 if (ptrace(PTRACE_CONT, chld, NULL, NULL) != 0) in main()
217 if (ptrace(PTRACE_SETREGS, chld, NULL, ®s) != 0) in main()
219 if (ptrace(PTRACE_DETACH, chld, NULL, NULL) != 0) in main()
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| H A D | fsgsbase.c | 463 if (ptrace(PTRACE_TRACEME, 0, NULL, NULL) != 0) in test_ptrace_write_gs_read_base()
478 base = ptrace(PTRACE_PEEKUSER, child, base_offset, NULL); in test_ptrace_write_gs_read_base()
489 if (ptrace(PTRACE_POKEUSER, child, gs_offset, 0x7) != 0) in test_ptrace_write_gs_read_base()
493 base = ptrace(PTRACE_PEEKUSER, child, base_offset, NULL); in test_ptrace_write_gs_read_base()
503 ptrace(PTRACE_CONT, child, NULL, NULL); in test_ptrace_write_gs_read_base()
523 if (ptrace(PTRACE_TRACEME, 0, NULL, NULL) != 0) in test_ptrace_write_gsbase()
537 gs = ptrace(PTRACE_PEEKUSER, child, gs_offset, NULL); in test_ptrace_write_gsbase()
545 if (ptrace(PTRACE_POKEUSER, child, base_offset, 0xFF) != 0) in test_ptrace_write_gsbase()
548 gs = ptrace(PTRACE_PEEKUSER, child, gs_offset, NULL); in test_ptrace_write_gsbase()
549 base = ptrace(PTRACE_PEEKUSER, child, base_offset, NULL); in test_ptrace_write_gsbase()
[all …]
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| H A D | mov_ss_trap.c | 73 if (ptrace(PTRACE_ATTACH, parent, NULL, NULL) != 0) in enable_watchpoint()
79 if (ptrace(PTRACE_POKEUSER, parent, (void *)offsetof(struct user, u_debugreg[0]), dr0) != 0) in enable_watchpoint()
82 if (ptrace(PTRACE_POKEUSER, parent, (void *)offsetof(struct user, u_debugreg[1]), dr1) != 0) in enable_watchpoint()
85 if (ptrace(PTRACE_POKEUSER, parent, (void *)offsetof(struct user, u_debugreg[7]), dr7) != 0) in enable_watchpoint()
90 if (ptrace(PTRACE_DETACH, parent, NULL, NULL) != 0) in enable_watchpoint()
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| /linux/tools/testing/selftests/breakpoints/ |
| H A D | breakpoint_test.c | 46 ret = ptrace(PTRACE_POKEUSER, child_pid, in set_breakpoint_addr()
88 dr7 = ptrace(PTRACE_PEEKUSER, child_pid, in toggle_breakpoint()
108 ret = ptrace(PTRACE_POKEUSER, child_pid, in toggle_breakpoint()
209 ret = ptrace(PTRACE_TRACEME, 0, NULL, 0); in trigger_tests()
276 child_nr_tests = ptrace(PTRACE_PEEKDATA, child_pid, in check_success()
280 if (ptrace(PTRACE_POKEDATA, child_pid, &trapped, 1)) in check_success()
299 ptrace(PTRACE_CONT, child_pid, NULL, 0); in launch_instruction_breakpoints()
321 ptrace(PTRACE_CONT, child_pid, NULL, 0); in launch_watchpoints()
377 ptrace(PTRACE_CONT, child_pid, NULL, 0); in launch_tests()
381 ptrace(PTRACE_CONT, child_pid, NULL, 0); in launch_tests()
[all …]
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| /linux/arch/um/os-Linux/ |
| H A D | start_up.c | 39 ptrace(PTRACE_TRACEME, 0, 0, 0) < 0) { in ptrace_child()
122 if (ptrace(PTRACE_CONT, pid, 0, 0) < 0) in stop_ptraced_child()
141 if ((ptrace(PTRACE_SETOPTIONS, pid, 0, in check_sysemu()
147 if (ptrace(PTRACE_SYSEMU_SINGLESTEP, pid, 0, 0) < 0) in check_sysemu()
160 n = ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_RET_OFFSET, in check_sysemu()
194 if ((ptrace(PTRACE_SETOPTIONS, pid, 0, in check_ptrace()
199 if (ptrace(PTRACE_SYSCALL, pid, 0, 0) < 0) in check_ptrace()
211 syscall = ptrace(PTRACE_PEEKUSER, pid, PT_SYSCALL_NR_OFFSET, in check_ptrace()
214 n = ptrace(PTRACE_POKEUSER, pid, PT_SYSCALL_NR_OFFSET, in check_ptrace()
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| /linux/Documentation/admin-guide/LSM/ |
| H A D | Yama.rst | 26 exist and remain possible if ptrace is allowed to operate as before.
27 Since ptrace is not commonly used by non-developers and non-admins, system
31 specifically disallow such ptrace attachment (e.g. ssh-agent), but many
32 do not. A more general solution is to only allow ptrace directly from a
44 to ptrace each other. If a process wishes to entirely disable these ptrace
51 0 - classic ptrace permissions:
58 1 - restricted ptrace:
68 only processes with ``CAP_SYS_PTRACE`` may use ptrace, either with
72 no processes may use ptrace with ``PTRACE_ATTACH`` nor via
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| /linux/tools/testing/selftests/landlock/ |
| H A D | ptrace_test.c | 342 ret = ptrace(PTRACE_ATTACH, parent, NULL, 0); in TEST_F()
352 ASSERT_EQ(0, ptrace(PTRACE_DETACH, parent, NULL, 0)); in TEST_F()
356 ret = ptrace(PTRACE_TRACEME); in TEST_F()
398 ASSERT_EQ(0, ptrace(PTRACE_DETACH, child, NULL, 0)); in TEST_F()
401 EXPECT_EQ(-1, ptrace(PTRACE_DETACH, child, NULL, 0)); in TEST_F()
414 ret = ptrace(PTRACE_ATTACH, child, NULL, 0); in TEST_F()
425 ASSERT_EQ(0, ptrace(PTRACE_DETACH, child, NULL, 0)); in TEST_F()
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| /linux/arch/x86/um/os-Linux/ |
| H A D | registers.c | 31 if (ptrace(PTRACE_GETREGSET, pid, ptrace_regset, &iov) < 0) in get_fp_registers()
43 if (ptrace(PTRACE_SETREGSET, pid, ptrace_regset, &iov) < 0) in put_fp_registers()
63 ret = ptrace(PTRACE_GETREGSET, pid, ptrace_regset, &iov); in arch_init_registers()
74 ret = ptrace(PTRACE_GETREGSET, pid, ptrace_regset, &iov); in arch_init_registers()
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| /linux/tools/testing/selftests/ptrace/ |
| H A D | vmaccess.c | 20 ptrace(PTRACE_TRACEME, 0, 0L, 0L); in thread()
59 k = ptrace(PTRACE_ATTACH, pid, 0L, 0L); in TEST()
69 k = ptrace(PTRACE_ATTACH, pid, 0L, 0L); in TEST()
75 k = ptrace(PTRACE_DETACH, pid, 0L, 0L); in TEST()
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| /linux/Documentation/translations/zh_CN/userspace-api/ |
| H A D | seccomp_filter.rst | 110 当返回的时候，这个值会使得内核在执行系统调用前尝试去通知一个基于 ``ptrace()``
113 如果追踪器通过 ``ptrace(PTRACE_SETOPTIONS)`` 请求了 ``PTRACE_O_TRACESECCOMP``，
122 ptrace的使用，甚至其他沙箱进程也不行，除非非常小心；ptrace可以通过这个机制来逃
230 内存的指针。进程的内存可以通过 ``ptrace()`` 或 ``/proc/pid/mem`` 由合适的特权跟踪
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| /linux/tools/testing/selftests/mm/ |
| H A D | protection_keys.c | 1327 ret = ptrace(PTRACE_ATTACH, child_pid, ignored, ignored); in test_ptrace_of_child()
1353 ret = ptrace(PTRACE_PEEKDATA, child_pid, ptr, ignored); in test_ptrace_of_child()
1363 ret = ptrace(PTRACE_PEEKDATA, child_pid, plain_ptr, ignored); in test_ptrace_of_child()
1370 ret = ptrace(PTRACE_DETACH, child_pid, ignored, 0); in test_ptrace_of_child()
1503 ptrace(PTRACE_TRACEME, 0, 0, 0); in test_ptrace_modifies_pkru()
1536 ret = ptrace(PTRACE_GETREGSET, child, (void *)NT_X86_XSTATE, &iov); in test_ptrace_modifies_pkru()
1544 ret = ptrace(PTRACE_SETREGSET, child, (void *)NT_X86_XSTATE, &iov); in test_ptrace_modifies_pkru()
1549 ret = ptrace(PTRACE_GETREGSET, child, (void *)NT_X86_XSTATE, &iov); in test_ptrace_modifies_pkru()
1554 ret = ptrace(PTRACE_CONT, child, 0, 0); in test_ptrace_modifies_pkru()
1564 ret = ptrace(PTRACE_GETREGSET, child, (void *)NT_X86_XSTATE, &iov); in test_ptrace_modifies_pkru()
[all …]
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| /linux/kernel/ |
| H A D | ptrace.c | 54 if (!tsk->ptrace || in ptrace_access_vm()
120 BUG_ON(!child->ptrace); in __ptrace_unlink()
134 child->ptrace = 0; in __ptrace_unlink()
251 if (child->ptrace && child->parent == current) { in ptrace_check_attach()
372 current->ptrace & PT_SUSPEND_SECCOMP) in check_ptrace_options()
459 if (task->ptrace) in ptrace_attach()
462 task->ptrace = flags; in ptrace_attach()
493 if (!current->ptrace) { in ptrace_traceme()
501 current->ptrace = PT_PTRACED; in ptrace_traceme()
576 WARN_ON(!child->ptrace || child->exit_state); in ptrace_detach()
[all …]
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| /linux/tools/testing/selftests/cgroup/ |
| H A D | test_freezer.c | 607 if (ptrace(PTRACE_SEIZE, pid, NULL, NULL)) in test_cgfreezer_ptrace()
610 if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL)) in test_cgfreezer_ptrace()
622 if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo)) in test_cgfreezer_ptrace()
625 if (ptrace(PTRACE_DETACH, pid, NULL, NULL)) in test_cgfreezer_ptrace()
727 if (ptrace(PTRACE_SEIZE, pid, NULL, NULL)) in test_cgfreezer_ptraced()
730 if (ptrace(PTRACE_INTERRUPT, pid, NULL, NULL)) in test_cgfreezer_ptraced()
748 if (ptrace(PTRACE_GETSIGINFO, pid, NULL, &siginfo)) in test_cgfreezer_ptraced()
751 if (ptrace(PTRACE_DETACH, pid, NULL, NULL)) in test_cgfreezer_ptraced()
|