[asterisk-dev] [Code Review] 3704: Infinite loop possible in ast_careful_fwrite()

[one47]

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(Updated July 3, 2014, 6:19 a.m.)


Status
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This change has been marked as submitted.


Review request for Asterisk Developers.


Changes
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Committed in revision 417797


Bugs: ASTERISK-23984
    https://issues.asterisk.org/jira/browse/ASTERISK-23984


Repository: Asterisk


Description
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Discovered this by playing with WebRTC - It occurs sometimes if the websocket client closes the connection suddenly.

fflush() does not always reset errno correctly, particularly at EOF, and can cause a 100% CPU infinite loop.


Diffs
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  trunk/main/utils.c 417704 

Diff: https://reviewboard.asterisk.org/r/3704/diff/


Testing
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Repeated websocket opens/closes to be sure the issue is gone.


Thanks,

one47

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