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2eeb0d457d
Inspired by commit f131d9edc2 ("selftests/lkdtm: Don't clear dmesg
when running tests"), keep a reference dmesg copy when beginning each
test. This way check_result() can compare against the initial copy
rather than relying upon an empty log.
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Reviewed-by: Yannick Cote <ycote@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200618181040.21132-2-joe.lawrence@redhat.com
80 lines
3.7 KiB
Bash
Executable File
80 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2018 Joe Lawrence <joe.lawrence@redhat.com>
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. $(dirname $0)/functions.sh
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MOD_TEST=test_klp_shadow_vars
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setup_config
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# - load a module that exercises the shadow variable API
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start_test "basic shadow variable API"
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load_mod $MOD_TEST
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unload_mod $MOD_TEST
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check_result "% modprobe $MOD_TEST
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$MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR0
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$MOD_TEST: got expected NULL result
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$MOD_TEST: shadow_ctor: PTR3 -> PTR2
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$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR1, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR2 = PTR3
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$MOD_TEST: shadow_ctor: PTR6 -> PTR5
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$MOD_TEST: klp_shadow_alloc(obj=PTR1, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR5 = PTR6
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$MOD_TEST: shadow_ctor: PTR8 -> PTR7
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$MOD_TEST: klp_shadow_alloc(obj=PTR9, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR7 = PTR8
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$MOD_TEST: shadow_ctor: PTR11 -> PTR10
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$MOD_TEST: klp_shadow_alloc(obj=PTR9, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR10 = PTR11
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$MOD_TEST: shadow_ctor: PTR13 -> PTR12
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$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR14, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR12 = PTR13
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$MOD_TEST: shadow_ctor: PTR16 -> PTR15
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$MOD_TEST: klp_shadow_alloc(obj=PTR14, id=0x1235, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR15 = PTR16
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$MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR3
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$MOD_TEST: got expected PTR3 -> PTR2 result
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$MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1235) = PTR6
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$MOD_TEST: got expected PTR6 -> PTR5 result
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$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR8
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$MOD_TEST: got expected PTR8 -> PTR7 result
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$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1235) = PTR11
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$MOD_TEST: got expected PTR11 -> PTR10 result
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$MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1234) = PTR13
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$MOD_TEST: got expected PTR13 -> PTR12 result
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$MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1235) = PTR16
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$MOD_TEST: got expected PTR16 -> PTR15 result
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$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR1, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR2 = PTR3
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$MOD_TEST: got expected PTR3 -> PTR2 result
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$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR9, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR7 = PTR8
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$MOD_TEST: got expected PTR8 -> PTR7 result
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$MOD_TEST: klp_shadow_get_or_alloc(obj=PTR14, id=0x1234, size=8, gfp_flags=GFP_KERNEL), ctor=PTR4, ctor_data=PTR12 = PTR13
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$MOD_TEST: got expected PTR13 -> PTR12 result
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$MOD_TEST: shadow_dtor(obj=PTR1, shadow_data=PTR3)
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$MOD_TEST: klp_shadow_free(obj=PTR1, id=0x1234, dtor=PTR17)
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$MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR0
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$MOD_TEST: got expected NULL result
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$MOD_TEST: shadow_dtor(obj=PTR9, shadow_data=PTR8)
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$MOD_TEST: klp_shadow_free(obj=PTR9, id=0x1234, dtor=PTR17)
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$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1234) = PTR0
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$MOD_TEST: got expected NULL result
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$MOD_TEST: shadow_dtor(obj=PTR14, shadow_data=PTR13)
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$MOD_TEST: klp_shadow_free(obj=PTR14, id=0x1234, dtor=PTR17)
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$MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1234) = PTR0
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$MOD_TEST: got expected NULL result
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$MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1235) = PTR6
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$MOD_TEST: got expected PTR6 -> PTR5 result
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$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1235) = PTR11
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$MOD_TEST: got expected PTR11 -> PTR10 result
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$MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1235) = PTR16
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$MOD_TEST: got expected PTR16 -> PTR15 result
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$MOD_TEST: klp_shadow_free_all(id=0x1235, dtor=PTR0)
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$MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1235) = PTR0
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$MOD_TEST: got expected NULL result
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$MOD_TEST: klp_shadow_get(obj=PTR9, id=0x1235) = PTR0
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$MOD_TEST: got expected NULL result
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$MOD_TEST: klp_shadow_get(obj=PTR14, id=0x1235) = PTR0
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$MOD_TEST: got expected NULL result
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% rmmod $MOD_TEST"
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exit 0
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