Change in osmo-bsc[master]: fix crashes due to OSMO_ASSERT(conn->lchan)

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pespin gerrit-no-reply at lists.osmocom.org
Thu Jun 18 18:12:20 UTC 2020


pespin has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bsc/+/18907 )

Change subject: fix crashes due to OSMO_ASSERT(conn->lchan)
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Patch Set 5:

(5 comments)

https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/include/osmocom/bsc/gsm_data.h 
File include/osmocom/bsc/gsm_data.h:

https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/include/osmocom/bsc/gsm_data.h@1376 
PS5, Line 1376: 	if (!conn || !conn->lchan)
I'd rather check only for !conn->lchan, I would assume conn is always there and if it's not there is responsability of the call of not calling this function, since it's obvious a NULL connection has no BTS.


https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/assignment_fsm.c 
File src/osmo-bsc/assignment_fsm.c:

https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/assignment_fsm.c@83 
PS5, Line 83: 		if (bts) \
what about logging if !bts?


https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/gsm_data.c 
File src/osmo-bsc/gsm_data.c:

https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/gsm_data.c@1724 
PS5, Line 1724: 	if (bts && conn->lchan)
This one would be easily fixed by moving the bts = conn-get_bts() under this check.


https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/osmo_bsc_bssap.c 
File src/osmo-bsc/osmo_bsc_bssap.c:

https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/osmo_bsc_bssap.c@477 
PS5, Line 477: static int bssmap_handle_cipher_mode(struct gsm_subscriber_connection *conn,
Changes in this function look like a different patch to me.


https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/osmo_bsc_msc.c 
File src/osmo-bsc/osmo_bsc_msc.c:

https://gerrit.osmocom.org/c/osmo-bsc/+/18907/5/src/osmo-bsc/osmo_bsc_msc.c@239 
PS5, Line 239: 		return NULL;
OSMO_ASSERT(bts) here looks better.



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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-Change-Id: Id681dfb0ad654bdb4b71805d1ad4f39a8bf6bbd1
Gerrit-Change-Number: 18907
Gerrit-PatchSet: 5
Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de>
Gerrit-Assignee: neels <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de>
Gerrit-CC: neels <nhofmeyr at sysmocom.de>
Gerrit-CC: pespin <pespin at sysmocom.de>
Gerrit-Comment-Date: Thu, 18 Jun 2020 18:12:20 +0000
Gerrit-HasComments: Yes
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Gerrit-MessageType: comment
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