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Don't close session or update key id on spurious resolve #10917

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Don't close session or update key id on spurious resolve #10917

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cecille
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@cecille cecille commented Oct 25, 2021

Problem

If we receive a second address update completion while we're establishing a case session already, the call to device->OperationalCertProvisioned() closes the session while it is being established and causes an error.
Fixes #10772 (though I make no assurances that there are no other race conditions in the code).

Change overview

Adds a check around device->OperationalCertProvisioned() such that we don't call this function if we have a secure connection already set up or in the process of being set up.

Testing

Because of #10771, I had a local cirque instance where the case establishment from the subscription thread was reliably conflicting with the UpdateNode call later in the test. This race doesn't appear to happen in the presubmits (gotta love race bugs). Adding this check fixed the race condition on my local cirque tests.

@cecille
Don't close session or update key id on spurious resolve
7b645dc 
If the device already has or is setting up a case session, there's
no reason to close it and persist a new key id just because we got
an mdns input. If an mdns resolution comes in during
a case session establishment, this will cause an error.
@cecille cecille marked this pull request as draft October 25, 2021 19:16
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PR #10917: Size comparison from 3c8b7e6 to 7b645dc

20 builds (for efr32, k32w, linux, p6, qpg, telink)
platform target config section 3c8b7e6f 7b645dc change % change
efr32 lighting-app BRD4161A .bss 113684 113684 0 0.0
.data 1752 1752 0 0.0
.text 735768 735768 0 0.0
lock-app BRD4161A .bss 111540 111540 0 0.0
.data 1712 1712 0 0.0
.text 715032 715032 0 0.0
window-app BRD4161A .bss 111852 111852 0 0.0
.data 1716 1716 0 0.0
.text 715828 715828 0 0.0
lighting-app BRD4161A+rpc .bss 130188 130188 0 0.0
.data 1852 1852 0 0.0
.text 723184 723184 0 0.0
k32w lock-app k32w061+debug .bss 69196 69196 0 0.0
.data 1864 1864 0 0.0
.text 515140 515140 0 0.0
shell k32w061+debug .bss 63256 63256 0 0.0
.data 672 672 0 0.0
.text 359572 359572 0 0.0
lighting-app k32w061+se05x+release .bss 78712 78712 0 0.0
.data 1900 1900 0 0.0
.text 613776 613776 0 0.0
linux all-clusters-app debug .bss 51184 51184 0 0.0
.data 978 978 0 0.0
.data.rel.ro 60576 60576 0 0.0
.dynamic 592 592 0 0.0
.got 4088 4088 0 0.0
.init 27 27 0 0.0
.init_array 512 512 0 0.0
.rodata 135573 135573 0 0.0
.text 1370034 1370034 0 0.0
chip-tool debug .bss 17680 17680 0 0.0
.data 1584 1584 0 0.0
.data.rel.ro 95280 95280 0 0.0
.dynamic 592 592 0 0.0
.got 4368 4368 0 0.0
.init 27 27 0 0.0
.init_array 416 416 0 0.0
.rodata 208700 208700 0 0.0
.text 3699205 3699317 112 0.0
ota-provider-app debug .bss 37440 37440 0 0.0
.data 752 752 0 0.0
.data.rel.ro 24488 24488 0 0.0
.dynamic 592 592 0 0.0
.got 4016 4016 0 0.0
.init 27 27 0 0.0
.init_array 440 440 0 0.0
.rodata 110344 110344 0 0.0
.text 1023698 1023698 0 0.0
ota-requestor-app debug .bss 205696 205696 0 0.0
.data 752 752 0 0.0
.data.rel.ro 25832 25832 0 0.0
.dynamic 592 592 0 0.0
.got 4144 4144 0 0.0
.init 27 27 0 0.0
.init_array 512 512 0 0.0
.rodata 128424 128424 0 0.0
.text 1142130 1142130 0 0.0
shell debug .bss 16136 16136 0 0.0
.data 242 242 0 0.0
.data.rel.ro 36496 36496 0 0.0
.dynamic 592 592 0 0.0
.got 3528 3528 0 0.0
.init 27 27 0 0.0
.init_array 336 336 0 0.0
.rodata 76495 76495 0 0.0
.text 599602 599602 0 0.0
tv-app debug .bss 215536 215536 0 0.0
.data 2032 2032 0 0.0
.data.rel.ro 57424 57424 0 0.0
.dynamic 592 592 0 0.0
.got 4408 4408 0 0.0
.init 27 27 0 0.0
.init_array 608 608 0 0.0
.rodata 152072 152072 0 0.0
.text 1454322 1454434 112 0.0
bridge-app debug+rpc .bss 51856 51856 0 0.0
.data 976 976 0 0.0
.data.rel.ro 27112 27112 0 0.0
.dynamic 592 592 0 0.0
.got 3952 3952 0 0.0
.init 27 27 0 0.0
.init_array 400 400 0 0.0
.rodata 109740 109740 0 0.0
.text 1064261 1064261 0 0.0
lighting-app debug+rpc .bss 41176 41176 0 0.0
.data 1106 1106 0 0.0
.data.rel.ro 53808 53808 0 0.0
.dynamic 608 608 0 0.0
.got 4112 4112 0 0.0
.init 27 27 0 0.0
.init_array 528 528 0 0.0
.rodata 126897 126897 0 0.0
.text 1262162 1262162 0 0.0
p6 lock-app default .bss 67176 67176 0 0.0
.data 2416 2416 0 0.0
.heap 963752 963752 0 0.0
.text 1126040 1126040 0 0.0
qpg lighting-app qpg6100+debug .bss 52416 52416 0 0.0
.data 1000 1000 0 0.0
.text 485044 485044 0 0.0
lock-app qpg6100+debug .bss 51360 51360 0 0.0
.data 956 956 0 0.0
.text 461264 461264 0 0.0
persistent-storage-app qpg6100+debug .bss 27752 27752 0 0.0
.data 372 372 0 0.0
.text 149900 149900 0 0.0
telink lighting-app tlsr9518adk80d bss 69940 69940 0 0.0
noinit 33216 33216 0 0.0
text 457672 457672 0 0.0
10 builds (for nrfconnect)
platform target config section 3c8b7e6f 7b645dc change % change
nrfconnect lighting-app nrf52840dk_nrf52840 bss 112136 112136 0 0.0
rodata 97100 97100 0 0.0
text 577204 577204 0 0.0
lock-app nrf52840dk_nrf52840 bss 111208 111208 0 0.0
rodata 93500 93500 0 0.0
text 558764 558764 0 0.0
pigweed-app nrf52840dk_nrf52840 bss 51824 51824 0 0.0
rodata 45776 45776 0 0.0
text 339456 339456 0 0.0
pump-app nrf52840dk_nrf52840 bss 111308 111308 0 0.0
rodata 94700 94700 0 0.0
text 561868 561868 0 0.0
pump-controller-app nrf52840dk_nrf52840 bss 111204 111204 0 0.0
rodata 93476 93476 0 0.0
text 558508 558508 0 0.0
shell nrf52840dk_nrf52840 bss 109072 109072 0 0.0
rodata 72536 72536 0 0.0
text 520324 520324 0 0.0
lighting-app nrf52840dk_nrf52840+rpc bss 108376 108376 0 0.0
rodata 87876 87876 0 0.0
text 550396 550396 0 0.0
nrf5340dk_nrf5340_cpuapp bss 113508 113508 0 0.0
rodata 92340 92340 0 0.0
text 506676 506676 0 0.0
lock-app nrf5340dk_nrf5340_cpuapp bss 112580 112580 0 0.0
rodata 88760 88760 0 0.0
text 488228 488228 0 0.0
shell nrf5340dk_nrf5340_cpuapp bss 110056 110056 0 0.0
rodata 67180 67180 0 0.0
text 440936 440936 0 0.0

@cecille cecille closed this Oct 26, 2021
@cecille cecille deleted the case_race branch October 26, 2021 22:14
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CASE race condition?
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@cecille