Re: [PATCH 5/7] of: do not use "%pOF" printk format on node with refcount of zero

From: Frank Rowand
Date: Mon Feb 13 2023 - 14:27:43 EST

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In reply to: Frank Rowand: "Re: [PATCH 5/7] of: do not use "%pOF" printk format on node with refcount of zero"
Next in thread: Frank Rowand: "[PATCH 4/7] of: unittest: add node lifecycle tests"
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On 2/13/23 13:23, Frank Rowand wrote:
> On 2/13/23 12:57, Frank Rowand wrote:
>> of_node_release() can not use the "%pOF" printk format to report
>> the node name of a node when the node reference count is zero.
>> This is because the formatter device_node_string() calls
>> fwnode_full_name_string() which indirectly calls of_node_get().
>> Calling of_node_get() on the node with a zero reference count
>> results in a WARNING and stack trace.
>>
>> When the reference count has been decremented to zero, this function
>> is in the subsequent call path which frees memory related to the node.
>>
>> This commit resolves the unittest EXPECT errors that were created in
>> the previous commmit.
>>
>> Signed-off-by: Frank Rowand <frowand.list@xxxxxxxxx>
>> ---
>
> < snip >
>
> After applying this commit, the output of unittests, as processed by
> scripts/dtc/of_unittest_expect, including the new lifecycle tests is:

< snip >

And the more verbose, ugly, full console output before processing by
scripts/dtc/of_unittest_expect is:

<< pre-test console output deleted >>

### dt-test ### start of unittest - you will see error messages
l16: Bringing 0uV into 2700000-2700000uV
### dt-test ### EXPECT \ : Duplicate name in testcase-data, renamed to "duplicate-name#1"
Duplicate name in testcase-data, renamed to "duplicate-name#1"
l17: Bringing 0uV into 2700000-2700000uV
### dt-test ### EXPECT / : Duplicate name in testcase-data, renamed to "duplicate-name#1"
l18: Bringing 0uV into 2850000-2850000uV
### dt-test ### pass of_unittest_check_tree_linkage():270
l19: Bringing 0uV into 3300000-3300000uV
### dt-test ### pass of_unittest_check_tree_linkage():271
sdhci_msm f98a4900.mmc: Got CD GPIO
### dt-test ### pass of_unittest_check_phandles():379
l20: Bringing 0uV into 2950000-2950000uV
### dt-test ### pass of_unittest_find_node_by_name():80
sdhci_msm f98a4900.mmc: Got CD GPIO
### dt-test ### pass of_unittest_find_node_by_name():87
l21: Bringing 0uV into 2950000-2950000uV
### dt-test ### pass of_unittest_find_node_by_name():91
l22: Bringing 0uV into 3000000-3000000uV
sdhci_msm f98a4900.mmc: Got CD GPIO
l23: Bringing 0uV into 3000000-3000000uV
### dt-test ### pass of_unittest_find_node_by_name():98
l24: Bringing 0uV into 3075000-3075000uV
### dt-test ### pass of_unittest_find_node_by_name():105
### dt-test ### pass of_unittest_find_node_by_name():109
### dt-test ### pass of_unittest_find_node_by_name():115
### dt-test ### pass of_unittest_find_node_by_name():119
### dt-test ### pass of_unittest_find_node_by_name():123
### dt-test ### pass of_unittest_find_node_by_name():127
mmc0: SDHCI controller on f9824900.mmc [f9824900.mmc] using ADMA
### dt-test ### pass of_unittest_find_node_by_name():132
### dt-test ### pass of_unittest_find_node_by_name():137
### dt-test ### pass of_unittest_find_node_by_name():142
### dt-test ### pass of_unittest_find_node_by_name():147
### dt-test ### pass of_unittest_find_node_by_name():153
mmc1: SDHCI controller on f98a4900.mmc [f98a4900.mmc] using ADMA
### dt-test ### pass of_unittest_find_node_by_name():158
### dt-test ### pass of_unittest_find_node_by_name():163
### dt-test ### pass of_unittest_find_node_by_name():168
### dt-test ### pass of_unittest_dynamic():194
### dt-test ### pass of_unittest_dynamic():201
### dt-test ### pass of_unittest_dynamic():207
mmc0: new HS200 MMC card at address 0001
### dt-test ### pass of_unittest_dynamic():215
### dt-test ### pass of_unittest_dynamic():219
mmcblk0: mmc0:0001 SEM16G 14.7 GiB
### dt-test ### pass of_unittest_dynamic():227
mmc1: new ultra high speed DDR50 SDHC card at address aaaa
### dt-test ### pass of_unittest_dynamic():229
### dt-test ### pass of_unittest_parse_phandle_with_args():402
mmcblk1: mmc1:aaaa SU16G 14.8 GiB
### dt-test ### pass of_unittest_parse_phandle_with_args():456
mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 p16 p17 p18 p19 p20
### dt-test ### pass of_unittest_parse_phandle_with_args():456
mmcblk1: p1
### dt-test ### pass of_unittest_parse_phandle_with_args():456
### dt-test ### pass of_unittest_parse_phandle_with_args():456
### dt-test ### pass of_unittest_parse_phandle_with_args():456
### dt-test ### pass of_unittest_parse_phandle_with_args():456
### dt-test ### pass of_unittest_parse_phandle_with_args():456
### dt-test ### pass of_unittest_parse_phandle_with_args():456
### dt-test ### pass of_unittest_parse_phandle_with_args():464
### dt-test ### pass of_unittest_parse_phandle_with_args():467
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1
OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1
mmcblk0boot0: mmc0:0001 SEM16G 4.00 MiB
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1
### dt-test ### pass of_unittest_parse_phandle_with_args():481
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1
mmcblk0boot1: mmc0:0001 SEM16G 4.00 MiB
OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1
mmcblk0rpmb: mmc0:0001 SEM16G 4.00 MiB, chardev (241:0)
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-a: could not get #phandle-cells-missing for /testcase-data/phandle-tests/provider1
### dt-test ### pass of_unittest_parse_phandle_with_args():492
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-a: could not find phandle
OF: /testcase-data/phandle-tests/consumer-a: could not find phandle 12345678
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-a: could not find phandle
### dt-test ### pass of_unittest_parse_phandle_with_args():506
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-a: could not find phandle
OF: /testcase-data/phandle-tests/consumer-a: could not find phandle 12345678
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-a: could not find phandle
### dt-test ### pass of_unittest_parse_phandle_with_args():517
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1
OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1
### dt-test ### pass of_unittest_parse_phandle_with_args():531
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1
OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-a: #phandle-cells = 3 found 1
### dt-test ### pass of_unittest_parse_phandle_with_args():542
### dt-test ### pass of_unittest_parse_phandle_with_args_map():582
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():640
### dt-test ### pass of_unittest_parse_phandle_with_args_map():648
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1
OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-b: could not get #phandle-missing-cells for /testcase-data/phandle-tests/provider1
### dt-test ### pass of_unittest_parse_phandle_with_args_map():661
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-b: could not find phandle
OF: /testcase-data/phandle-tests/consumer-b: could not find phandle 12345678
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-b: could not find phandle
### dt-test ### pass of_unittest_parse_phandle_with_args_map():674
### dt-test ### EXPECT \ : OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found 1
OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found 1
### dt-test ### EXPECT / : OF: /testcase-data/phandle-tests/consumer-b: #phandle-cells = 2 found 1
### dt-test ### pass of_unittest_parse_phandle_with_args_map():687
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():294
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_printf_one():304
### dt-test ### pass of_unittest_property_string():703
### dt-test ### pass of_unittest_property_string():705
### dt-test ### pass of_unittest_property_string():707
### dt-test ### pass of_unittest_property_string():709
### dt-test ### pass of_unittest_property_string():711
### dt-test ### pass of_unittest_property_string():713
### dt-test ### pass of_unittest_property_string():715
### dt-test ### pass of_unittest_property_string():719
### dt-test ### pass of_unittest_property_string():721
### dt-test ### pass of_unittest_property_string():723
### dt-test ### pass of_unittest_property_string():725
### dt-test ### pass of_unittest_property_string():729
### dt-test ### pass of_unittest_property_string():732
### dt-test ### pass of_unittest_property_string():734
### dt-test ### pass of_unittest_property_string():736
### dt-test ### pass of_unittest_property_string():738
### dt-test ### pass of_unittest_property_string():741
### dt-test ### pass of_unittest_property_string():744
### dt-test ### pass of_unittest_property_string():746
### dt-test ### pass of_unittest_property_string():749
### dt-test ### pass of_unittest_property_string():754
### dt-test ### pass of_unittest_property_string():756
### dt-test ### pass of_unittest_property_string():758
### dt-test ### pass of_unittest_property_string():761
### dt-test ### pass of_unittest_property_string():765
### dt-test ### pass of_unittest_property_string():768
### dt-test ### pass of_unittest_property_copy():783
### dt-test ### pass of_unittest_property_copy():789
### dt-test ### pass of_unittest_changeset():809
### dt-test ### pass of_unittest_changeset():812
### dt-test ### pass of_unittest_changeset():815
### dt-test ### pass of_unittest_changeset():819
### dt-test ### pass of_unittest_changeset():822
### dt-test ### pass of_unittest_changeset():825
### dt-test ### pass of_unittest_changeset():828
### dt-test ### pass of_unittest_changeset():831
### dt-test ### pass of_unittest_changeset():834
### dt-test ### pass of_unittest_changeset():842
### dt-test ### pass of_unittest_changeset():846
### dt-test ### pass of_unittest_changeset():847
### dt-test ### pass of_unittest_changeset():849
### dt-test ### pass of_unittest_changeset():850
### dt-test ### pass of_unittest_changeset():852
### dt-test ### pass of_unittest_changeset():853
### dt-test ### pass of_unittest_changeset():855
### dt-test ### pass of_unittest_changeset():857
### dt-test ### pass of_unittest_changeset():858
### dt-test ### pass of_unittest_changeset():859
### dt-test ### pass of_unittest_changeset():861
### dt-test ### pass of_unittest_changeset():866
### dt-test ### pass of_unittest_changeset():870
### dt-test ### pass of_unittest_parse_interrupts():1036
### dt-test ### pass of_unittest_parse_interrupts():1036
### dt-test ### pass of_unittest_parse_interrupts():1036
### dt-test ### pass of_unittest_parse_interrupts():1036
### dt-test ### pass of_unittest_parse_interrupts():1082
### dt-test ### pass of_unittest_parse_interrupts():1082
### dt-test ### pass of_unittest_parse_interrupts():1082
### dt-test ### pass of_unittest_parse_interrupts():1082
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_parse_interrupts_extended():1162
### dt-test ### pass of_unittest_dma_get_max_cpu_address():895
### dt-test ### pass of_unittest_dma_ranges_one():916
### dt-test ### pass of_unittest_dma_ranges_one():934
### dt-test ### pass of_unittest_dma_ranges_one():937
### dt-test ### pass of_unittest_dma_ranges_one():916
### dt-test ### pass of_unittest_dma_ranges_one():934
### dt-test ### pass of_unittest_dma_ranges_one():937
### dt-test ### pass of_unittest_pci_dma_ranges():985
### dt-test ### pass of_unittest_pci_dma_ranges():988
### dt-test ### pass of_unittest_pci_dma_ranges():991
### dt-test ### pass of_unittest_pci_dma_ranges():995
### dt-test ### pass of_unittest_pci_dma_ranges():998
### dt-test ### pass of_unittest_pci_dma_ranges():1001
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_match_node():1230
### dt-test ### pass of_unittest_platform_populate():1254
### dt-test ### pass of_unittest_platform_populate():1258
### dt-test ### pass of_unittest_platform_populate():1264
### dt-test ### EXPECT \ : platform testcase-data:testcase-device2: error -ENXIO: IRQ index 0 not found
platform testcase-data:testcase-device2: error -ENXIO: IRQ index 0 not found
### dt-test ### EXPECT / : platform testcase-data:testcase-device2: error -ENXIO: IRQ index 0 not found
### dt-test ### pass of_unittest_platform_populate():1274
### dt-test ### pass of_unittest_platform_populate():1279
### dt-test ### pass of_unittest_platform_populate():1285
### dt-test ### pass of_unittest_platform_populate():1305
### dt-test ### pass of_unittest_platform_populate():1305
### dt-test ### pass of_unittest_platform_populate():1315
### dt-test ### pass of_unittest_platform_populate():1315
### dt-test ### pass of_unittest_overlay():2968
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest0/status
### dt-test ### pass of_unittest_overlay_0():2099
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest1/status
### dt-test ### pass of_unittest_overlay_1():2119
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest2/status
### dt-test ### pass of_unittest_overlay_2():2139
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest3/status
### dt-test ### pass of_unittest_overlay_3():2159
### dt-test ### pass of_unittest_overlay_4():2169
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest5/status
### dt-test ### pass of_unittest_overlay_5():2189
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status
### dt-test ### pass of_unittest_overlay_6():2290
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/status
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest8/property-foo
### dt-test ### EXPECT \ : OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8
### dt-test ### EXPECT \ : OF: overlay: overlay #6 is not topmost
OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8
OF: overlay: overlay #6 is not topmost
### dt-test ### EXPECT / : OF: overlay: overlay #6 is not topmost
### dt-test ### EXPECT / : OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8
### dt-test ### pass of_unittest_overlay_8():2383
### dt-test ### pass of_unittest_overlay_10():2395
### dt-test ### pass of_unittest_overlay_10():2401
### dt-test ### pass of_unittest_overlay_10():2407
### dt-test ### pass of_unittest_overlay_11():2419
### dt-test ### pass of_unittest_overlay_i2c_init():2640
### dt-test ### pass of_unittest_overlay_i2c_init():2646
### dt-test ### EXPECT \ : i2c i2c-1: Added multiplexed i2c bus 2
i2c i2c-1: Added multiplexed i2c bus 2
### dt-test ### EXPECT / : i2c i2c-1: Added multiplexed i2c bus 2
### dt-test ### pass of_unittest_overlay_i2c_init():2660
### dt-test ### pass of_unittest_overlay():2984
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest12/status
### dt-test ### pass of_unittest_overlay_i2c_12():2693
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/i2c-test-bus/test-unittest13/status
### dt-test ### pass of_unittest_overlay_i2c_13():2713
### dt-test ### EXPECT \ : i2c i2c-1: Added multiplexed i2c bus 3
i2c i2c-1: Added multiplexed i2c bus 3
### dt-test ### EXPECT / : i2c i2c-1: Added multiplexed i2c bus 3
### dt-test ### pass of_unittest_overlay_i2c_15():2737
### dt-test ### pass of_unittest_overlay_gpio():1698
### dt-test ### pass of_unittest_overlay_gpio():1701
### dt-test ### pass of_unittest_overlay_gpio():1704
### dt-test ### EXPECT \ : gpio-<<int>> (line-B-input): hogged as input
### dt-test ### EXPECT \ : gpio-<<int>> (line-A-input): hogged as input
gpio-708 (line-B-input): hogged as input
### dt-test ### pass unittest_gpio_probe():1621
gpio-712 (line-A-input): hogged as input
### dt-test ### pass unittest_gpio_probe():1621
### dt-test ### pass of_unittest_overlay_gpio():1719
### dt-test ### EXPECT / : gpio-<<int>> (line-A-input): hogged as input
### dt-test ### EXPECT / : gpio-<<int>> (line-B-input): hogged as input
### dt-test ### pass of_unittest_overlay_gpio():1727
### dt-test ### pass of_unittest_overlay_gpio():1730
### dt-test ### EXPECT \ : gpio-<<int>> (line-D-input): hogged as input
gpio-720 (line-D-input): hogged as input
### dt-test ### pass unittest_gpio_probe():1621
### dt-test ### pass of_unittest_overlay_gpio():1756
### dt-test ### EXPECT / : gpio-<<int>> (line-D-input): hogged as input
### dt-test ### pass of_unittest_overlay_gpio():1762
### dt-test ### pass of_unittest_overlay_gpio():1765
### dt-test ### pass unittest_gpio_probe():1621
### dt-test ### pass of_unittest_overlay_gpio():1783
### dt-test ### pass of_unittest_overlay_gpio():1786
### dt-test ### EXPECT \ : gpio-<<int>> (line-C-input): hogged as input
gpio-724 (line-C-input): hogged as input
### dt-test ### pass of_unittest_overlay_gpio():1803
### dt-test ### EXPECT / : gpio-<<int>> (line-C-input): hogged as input
### dt-test ### pass of_unittest_overlay_gpio():1809
### dt-test ### pass of_unittest_overlay_notify():2825
### dt-test ### EXPECT \ : OF: overlay: overlay changeset pre-apply notifier error -16, target: /testcase-data/overlay-node/test-bus
OF: overlay: overlay changeset pre-apply notifier error -16, target: /testcase-data/overlay-node/test-bus
### dt-test ### pass of_unittest_overlay_notify():2846
### dt-test ### EXPECT / : OF: overlay: overlay changeset pre-apply notifier error -16, target: /testcase-data/overlay-node/test-bus
### dt-test ### pass of_unittest_overlay_notify():2851
### dt-test ### EXPECT \ : OF: overlay: overlay changeset post-apply notifier error -17, target: /testcase-data/overlay-node/test-bus
OF: overlay: overlay changeset post-apply notifier error -17, target: /testcase-data/overlay-node/test-bus
### dt-test ### pass of_unittest_overlay_notify():2857
### dt-test ### EXPECT / : OF: overlay: overlay changeset post-apply notifier error -17, target: /testcase-data/overlay-node/test-bus
### dt-test ### pass of_unittest_overlay_notify():2862
### dt-test ### pass of_unittest_overlay_notify():2866
### dt-test ### pass of_unittest_overlay_notify():2872
### dt-test ### pass of_unittest_overlay_notify():2875
### dt-test ### EXPECT \ : OF: overlay: overlay changeset pre-remove notifier error -18, target: /testcase-data/overlay-node/test-bus
OF: overlay: overlay changeset pre-remove notifier error -18, target: /testcase-data/overlay-node/test-bus
### dt-test ### EXPECT / : OF: overlay: overlay changeset pre-remove notifier error -18, target: /testcase-data/overlay-node/test-bus
### dt-test ### pass of_unittest_overlay_notify():2886
### dt-test ### pass of_unittest_overlay_notify():2894
### dt-test ### pass of_unittest_overlay_notify():2898
### dt-test ### pass of_unittest_overlay_notify():2901
### dt-test ### EXPECT \ : OF: overlay: overlay changeset post-remove notifier error -19, target: /testcase-data/overlay-node/test-bus
OF: overlay: overlay changeset post-remove notifier error -19, target: /testcase-data/overlay-node/test-bus
### dt-test ### EXPECT / : OF: overlay: overlay changeset post-remove notifier error -19, target: /testcase-data/overlay-node/test-bus
### dt-test ### pass of_unittest_overlay_notify():2908
### dt-test ### pass of_unittest_overlay_notify():2915
### dt-test ### pass of_unittest_overlay_notify():2920
### dt-test ### pass of_unittest_overlay_notify():2932
### dt-test ### pass of_unittest_lifecycle():3031
### dt-test ### EXPECT \ : OF: ERROR: of_node_release() detected bad of_node_put() on /testcase-data/refcount-node
### dt-test ### pass of_unittest_lifecycle():3056
OF: ERROR: of_node_release() detected bad of_node_put() on /testcase-data/refcount-node
### dt-test ### EXPECT / : OF: ERROR: of_node_release() detected bad of_node_put() on /testcase-data/refcount-node
### dt-test ### EXPECT \ : ------------[ cut here ]------------
### dt-test ### EXPECT \ : WARNING: <<all>>
### dt-test ### EXPECT \ : refcount_t: underflow; use-after-free.
### dt-test ### EXPECT \ : ---[ end trace <<int>> ]---
### dt-test ### pass of_unittest_lifecycle():3076
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at lib/refcount.c:28 of_unittest+0x25d0/0x2eb8
refcount_t: underflow; use-after-free.
Modules linked in:
CPU: 1 PID: 1 Comm: swapper/0 Tainted: G N 6.2.0-rc1-00008-g0ad108551489 #23
Hardware name: Generic DT based system
unwind_backtrace from show_stack+0x10/0x14
show_stack from dump_stack_lvl+0x40/0x4c
dump_stack_lvl from __warn+0x7c/0x15c
__warn from warn_slowpath_fmt+0x98/0xcc
warn_slowpath_fmt from of_unittest+0x25d0/0x2eb8
of_unittest from do_one_initcall+0x4c/0x268
do_one_initcall from kernel_init_freeable+0x1b4/0x214
kernel_init_freeable from kernel_init+0x18/0x130
kernel_init from ret_from_fork+0x14/0x2c
Exception stack(0xf0821fb0 to 0xf0821ff8)
1fa0: 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace 0000000000000000 ]---
### dt-test ### EXPECT / : ---[ end trace <<int>> ]---
### dt-test ### EXPECT / : refcount_t: underflow; use-after-free.
### dt-test ### EXPECT / : WARNING: <<all>>
### dt-test ### EXPECT / : ------------[ cut here ]------------
### dt-test ### EXPECT_NOT \ : ------------[ cut here ]------------
### dt-test ### EXPECT_NOT \ : WARNING: <<all>>
### dt-test ### EXPECT_NOT \ : refcount_t: underflow; use-after-free.
### dt-test ### EXPECT_NOT \ : ---[ end trace <<int>> ]---
### dt-test ### pass of_unittest_lifecycle():3093
### dt-test ### EXPECT_NOT / : ---[ end trace <<int>> ]---
### dt-test ### EXPECT_NOT / : refcount_t: underflow; use-after-free.
### dt-test ### EXPECT_NOT / : WARNING: <<all>>
### dt-test ### EXPECT_NOT / : ------------[ cut here ]------------
### dt-test ### pass of_unittest_lifecycle():3119
### dt-test ### pass of_unittest_lifecycle():3120
### dt-test ### pass of_unittest_check_tree_linkage():270
### dt-test ### pass of_unittest_check_tree_linkage():271
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left
### dt-test ### EXPECT \ : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_right
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200_left
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/ride_200
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /__symbols__/hvac_2
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/rate
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/color
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/lights@40000/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@40/incline-up
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/ride@100/track@30/incline-up
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/fairway-1/status
### dt-test ### EXPECT / : OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/status
### dt-test ### pass of_unittest_overlay_high_level():3552
### dt-test ### EXPECT \ : OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller
### dt-test ### EXPECT \ : OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name
OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller
OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name
### dt-test ### pass of_unittest_overlay_high_level():3559
### dt-test ### EXPECT / : OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/controller/name
### dt-test ### EXPECT / : OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/controller
### dt-test ### EXPECT \ : OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/electric
### dt-test ### EXPECT \ : OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/rpm_avail
### dt-test ### EXPECT \ : OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/name
OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/electric
OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/rpm_avail
OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/name
### dt-test ### pass of_unittest_overlay_high_level():3574
### dt-test ### EXPECT / : OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/name
### dt-test ### EXPECT / : OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/electric/rpm_avail
### dt-test ### EXPECT / : OF: overlay: ERROR: multiple fragments add and/or delete node /testcase-data-2/substation@100/motor-1/electric
### dt-test ### pass of_unittest_overlay_high_level():3584
### dt-test ### pass of_unittest_overlay_high_level():3587
### dt-test ### end of unittest - 276 passed, 0 failed

<< post-test console output deleted >>

/ # cat /proc/version
Linux version 6.2.0-rc1-00008-g0ad108551489 (frowand@xps8900) (arm-linux-gnueabi-gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #23 SMP PREEMPT Mon Feb 13 12:52:35 CST 2023

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