tools/testing/selftests/livepatch/test-shadow-vars.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 # Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
   4
   5 . $(dirname $0)/functions.sh
   6
   7 MOD_TEST=test_klp_shadow_vars
   8
   9 setup_config
  10
  11
  12 # - load a module that exercises the shadow variable API
  13
  14 start_test "basic shadow variable API"
  15
  16 load_mod $MOD_TEST
  17 unload_mod $MOD_TEST
  18
  19 check_result "% modprobe $MOD_TEST
  20 $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR0
  21 $MOD_TEST:   got expected NULL result
  22 $MOD_TEST: shadow_ctor: PTR3 -> PTR2
  23 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR1, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR2 = PTR3
  24 $MOD_TEST: shadow_ctor: PTR6 -> PTR5
  25 $MOD_TEST: klp_shadow_alloc(obj=PTR1, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR5 = PTR6
  26 $MOD_TEST: shadow_ctor: PTR8 -> PTR7
  27 $MOD_TEST: klp_shadow_alloc(obj=PTR9, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR7 = PTR8
  28 $MOD_TEST: shadow_ctor: PTR11 -> PTR10
  29 $MOD_TEST: klp_shadow_alloc(obj=PTR9, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR10 = PTR11
  30 $MOD_TEST: shadow_ctor: PTR13 -> PTR12
  31 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR14, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR12 = PTR13
  32 $MOD_TEST: shadow_ctor: PTR16 -> PTR15
  33 $MOD_TEST: klp_shadow_alloc(obj=PTR14, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR15 = PTR16
  34 $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR3
  35 $MOD_TEST:   got expected PTR3 -> PTR2 result
  36 $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1235) = PTR6
  37 $MOD_TEST:   got expected PTR6 -> PTR5 result
  38 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR8
  39 $MOD_TEST:   got expected PTR8 -> PTR7 result
  40 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1235) = PTR11
  41 $MOD_TEST:   got expected PTR11 -> PTR10 result
  42 $MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1234) = PTR13
  43 $MOD_TEST:   got expected PTR13 -> PTR12 result
  44 $MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1235) = PTR16
  45 $MOD_TEST:   got expected PTR16 -> PTR15 result
  46 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR1, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR2 = PTR3
  47 $MOD_TEST:   got expected PTR3 -> PTR2 result
  48 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR9, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR7 = PTR8
  49 $MOD_TEST:   got expected PTR8 -> PTR7 result
  50 $MOD_TEST: klp_shadow_get_or_alloc(obj=PTR14, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR12 = PTR13
  51 $MOD_TEST:   got expected PTR13 -> PTR12 result
  52 $MOD_TEST: shadow_dtor(obj=PTR1, shadow_data=PTR3)
  53 $MOD_TEST: klp_shadow_free(obj=PTR1, id=0x1234, dtor=PTR17)
  54 $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR0
  55 $MOD_TEST:   got expected NULL result
  56 $MOD_TEST: shadow_dtor(obj=PTR9, shadow_data=PTR8)
  57 $MOD_TEST: klp_shadow_free(obj=PTR9, id=0x1234, dtor=PTR17)
  58 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR0
  59 $MOD_TEST:   got expected NULL result
  60 $MOD_TEST: shadow_dtor(obj=PTR14, shadow_data=PTR13)
  61 $MOD_TEST: klp_shadow_free(obj=PTR14, id=0x1234, dtor=PTR17)
  62 $MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1234) = PTR0
  63 $MOD_TEST:   got expected NULL result
  64 $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1235) = PTR6
  65 $MOD_TEST:   got expected PTR6 -> PTR5 result
  66 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1235) = PTR11
  67 $MOD_TEST:   got expected PTR11 -> PTR10 result
  68 $MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1235) = PTR16
  69 $MOD_TEST:   got expected PTR16 -> PTR15 result
  70 $MOD_TEST: klp_shadow_free_all(id=0x1235, dtor=PTR0)
  71 $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1235) = PTR0
  72 $MOD_TEST:   got expected NULL result
  73 $MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1235) = PTR0
  74 $MOD_TEST:   got expected NULL result
  75 $MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1235) = PTR0
  76 $MOD_TEST:   got expected NULL result
  77 % rmmod $MOD_TEST"
  78
  79 exit 0