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kernel
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selftests
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bpf
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verifier
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sleepable.c

sleepable.c 1.8 KB
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  1. {
    2. 

  2. 	"sleepable fentry accept",
    3. 

  3. 	.insns = {
    4. 

  4. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    5. 

  5. 	BPF_EXIT_INSN(),
    6. 

  6. 	},
    7. 

  7. 	.prog_type = BPF_PROG_TYPE_TRACING,
    8. 

  8. 	.expected_attach_type = BPF_TRACE_FENTRY,
    9. 

  9. 	.kfunc = "bpf_fentry_test1",
    10. 

  10. 	.result = ACCEPT,
    11. 

  11. 	.flags = BPF_F_SLEEPABLE,
    12. 

  12. 	.runs = -1,
    13. 

  13. },
    14. 

  14. {
    15. 

  15. 	"sleepable fexit accept",
    16. 

  16. 	.insns = {
    17. 

  17. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    18. 

  18. 	BPF_EXIT_INSN(),
    19. 

  19. 	},
    20. 

  20. 	.prog_type = BPF_PROG_TYPE_TRACING,
    21. 

  21. 	.expected_attach_type = BPF_TRACE_FENTRY,
    22. 

  22. 	.kfunc = "bpf_fentry_test1",
    23. 

  23. 	.result = ACCEPT,
    24. 

  24. 	.flags = BPF_F_SLEEPABLE,
    25. 

  25. 	.runs = -1,
    26. 

  26. },
    27. 

  27. {
    28. 

  28. 	"sleepable fmod_ret accept",
    29. 

  29. 	.insns = {
    30. 

  30. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    31. 

  31. 	BPF_EXIT_INSN(),
    32. 

  32. 	},
    33. 

  33. 	.prog_type = BPF_PROG_TYPE_TRACING,
    34. 

  34. 	.expected_attach_type = BPF_MODIFY_RETURN,
    35. 

  35. 	.kfunc = "bpf_fentry_test1",
    36. 

  36. 	.result = ACCEPT,
    37. 

  37. 	.flags = BPF_F_SLEEPABLE,
    38. 

  38. 	.runs = -1,
    39. 

  39. },
    40. 

  40. {
    41. 

  41. 	"sleepable iter accept",
    42. 

  42. 	.insns = {
    43. 

  43. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    44. 

  44. 	BPF_EXIT_INSN(),
    45. 

  45. 	},
    46. 

  46. 	.prog_type = BPF_PROG_TYPE_TRACING,
    47. 

  47. 	.expected_attach_type = BPF_TRACE_ITER,
    48. 

  48. 	.kfunc = "task",
    49. 

  49. 	.result = ACCEPT,
    50. 

  50. 	.flags = BPF_F_SLEEPABLE,
    51. 

  51. 	.runs = -1,
    52. 

  52. },
    53. 

  53. {
    54. 

  54. 	"sleepable lsm accept",
    55. 

  55. 	.insns = {
    56. 

  56. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    57. 

  57. 	BPF_EXIT_INSN(),
    58. 

  58. 	},
    59. 

  59. 	.prog_type = BPF_PROG_TYPE_LSM,
    60. 

  60. 	.kfunc = "bpf",
    61. 

  61. 	.expected_attach_type = BPF_LSM_MAC,
    62. 

  62. 	.result = ACCEPT,
    63. 

  63. 	.flags = BPF_F_SLEEPABLE,
    64. 

  64. 	.runs = -1,
    65. 

  65. },
    66. 

  66. {
    67. 

  67. 	"sleepable uprobe accept",
    68. 

  68. 	.insns = {
    69. 

  69. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    70. 

  70. 	BPF_EXIT_INSN(),
    71. 

  71. 	},
    72. 

  72. 	.prog_type = BPF_PROG_TYPE_KPROBE,
    73. 

  73. 	.kfunc = "bpf_fentry_test1",
    74. 

  74. 	.result = ACCEPT,
    75. 

  75. 	.flags = BPF_F_SLEEPABLE,
    76. 

  76. 	.runs = -1,
    77. 

  77. },
    78. 

  78. {
    79. 

  79. 	"sleepable raw tracepoint reject",
    80. 

  80. 	.insns = {
    81. 

  81. 	BPF_MOV64_IMM(BPF_REG_0, 0),
    82. 

  82. 	BPF_EXIT_INSN(),
    83. 

  83. 	},
    84. 

  84. 	.prog_type = BPF_PROG_TYPE_TRACING,
    85. 

  85. 	.expected_attach_type = BPF_TRACE_RAW_TP,
    86. 

  86. 	.kfunc = "sched_switch",
    87. 

  87. 	.result = REJECT,
    88. 

  88. 	.errstr = "Only fentry/fexit/fmod_ret, lsm, iter, uprobe, and struct_ops programs can be sleepable",
    89. 

  89. 	.flags = BPF_F_SLEEPABLE,
    90. 

  90. 	.runs = -1,
    91. 

  91. },
    92.