[Kamailio-Devel] [ openser-Bugs-2753152 ] null pointer dereference in nhelper_funcs.c (Kamailio 1.5.0)

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Bugs item #2753152, was opened at 2009-04-11 14:30
Message generated for change (Settings changed) made by henningw
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Category: modules
Group: ver 1.5.x
>Status: Closed
Resolution: Fixed
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Henning Westerholt (henningw)
Summary: null pointer dereference in nhelper_funcs.c (Kamailio 1.5.0)

Initial Comment:
Null pointer dereference occurs frequently in nhelper_funcs.c, line 172 as msg->content_length is null.
Kamailio version 1.5.0.

Backtrace and contents of *msg attached.

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Comment By: Henning Westerholt (henningw)
Date: 2009-04-23 11:52

Message:
Ok, thank for the reply. I'll then commit this change to the 1.5 branch and
master git tree.

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Comment By: Nobody/Anonymous (nobody)
Date: 2009-04-22 23:15

Message:
Yes, it helped. I used similar workaround before. Unfortunately some
devices send headers without Content-length but now these don't make the
daemon crash anymore. Thank you.

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Comment By: Henning Westerholt (henningw)
Date: 2009-04-22 09:43

Message:
Do you was able to test the patch?

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Comment By: Henning Westerholt (henningw)
Date: 2009-04-14 14:54

Message:
Hi,

thanks for the report. I've added a small patch against 1.5.0 that should
check for the null-pointer condition you observed. Would be great if you
could test if this fixes the problem for you.

Henning

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