[Bugs] #2284 UNSP: infinite loop in write

[Sugar Labs Bugs]

#2284: infinite loop in write
------------------------------------------+---------------------------------
    Reporter:  carrott                    |          Owner:  uwog                       
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  Write                      |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:                             
Distribution:  Unspecified                |   Status_field:  Unconfirmed                
------------------------------------------+---------------------------------
 Write-63 in os852 fell into an infinite loop and stopped responding
 shortly after joining a collaborative session.

 {{{
 [olpc at xo-10-e1-53 ~]$ strace -p 2316
 Process 2316 attached - interrupt to quit
 brk(0xd61c000)                          = 0xd61c000
 mremap(0xb5e8e000, 913408, 917504, MREMAP_MAYMOVE) = 0xb5e8e000
 brk(0xd63d000)                          = 0xd63d000
 brk(0xd65e000)                          = 0xd65e000
 mremap(0xb5e8e000, 917504, 921600, MREMAP_MAYMOVE) = 0xb5e8e000
 brk(0xd67f000)                          = 0xd67f000
 brk(0xd6a0000)                          = 0xd6a0000
 mremap(0xb5e8e000, 921600, 925696, MREMAP_MAYMOVE) = 0xb5e8e000
 brk(0xd6c1000)                          = 0xd6c1000
 }}}

 See attached for gdb backtrace and core file.

-- 
Ticket URL: <http://bugs.sugarlabs.org/ticket/2284>
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