nib/_nib-6ln: bail out early if address is no longer assigned #19999
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benpicco
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miri64,
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PeterKietzmann and
cgundogan
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benpicco
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Type: bug
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Any hint how to test this? |
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I'm not sure, I just saw a random crash when I was tinkering with Since the function checks below for |
miri64
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Oct 24, 2023
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MrKevinWeiss
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Process: needs backport
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20037: nib/_nib-6ln: bail out early if address is no longer assigned [backport 2023.10] r=benpicco a=MrKevinWeiss # Backport of #19999 20038: nanocoap: prevent integer underflow in coap_opt_put_uri_pathquery() [backport 2023.10] r=benpicco a=MrKevinWeiss # Backport of #19994 20039: sys/psa_crypto: Fix macro for public key max size and SE example [backport 2023.10] r=benpicco a=MrKevinWeiss # Backport of #19995 ### Contribution description #### 1. Wrong public key size when using secure elements, introduced by #19954 Fixed conditions for key size macros in `crypto_sizes.h`. #### 2. EdDSA and ECDSA examples fail when using a secure element because of unsopported changes introduced by #19954 Updated `example/psa_crypto` to use only supported functions for secure elements. ### Testing procedure Build `example/psa_crypto` for secure elements and run application Output on master: ``` 2023-10-19 14:33:24,372 # main(): This is RIOT! (Version: 2019.07-devel-22378-gb6772) 2023-10-19 14:33:24,372 # HMAC SHA256 took 56393 us 2023-10-19 14:33:24,372 # Cipher AES 128 took 68826 us 2023-10-19 14:33:24,372 # *** RIOT kernel panic: 2023-10-19 14:33:24,373 # HARD FAULT HANDLER 2023-10-19 14:33:24,373 # 2023-10-19 14:33:24,373 # *** rebooting... ``` Output with fixes: ``` 2023-10-19 13:35:24,715 # main(): This is RIOT! (Version: 2019.07-devel-22384-g8ef66-dev/psa-crypto-fixes) 2023-10-19 13:35:24,715 # HMAC SHA256 took 56374 us 2023-10-19 13:35:24,715 # Cipher AES 128 took 68805 us 2023-10-19 13:35:24,715 # ECDSA took 281164 us 2023-10-19 13:35:24,715 # All Done ``` Co-authored-by: Benjamin Valentin <benjamin.valentin@ml-pa.com> Co-authored-by: Lena Boeckmann <lena.boeckmann@haw-hamburg.de>
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Contribution description
The function checks for
netif == NULLseveral times, but ifnetifreally is NULL we will already crash on_nib_drl_get(NULL, netif->pid);.Testing procedure
Issues/PRs references