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Re: ra_serf pool cleanup SEGV

From: Philip Martin <philip.martin_at_wandisco.com>
Date: Fri, 05 Feb 2010 11:31:06 +0000

Philip Martin <philip.martin_at_wandisco.com> writes:

> Julian Foad <julianfoad_at_btopenworld.com> writes:
>
>> which is better, but a trunk build using Serf just says:
>>
>>> svn: XML parsing failed: (405 Method Not Allowed)
>
> It's worse than that. My full valgrind build gives a SEGV, but only
> after a whole slew of valgrind warnings like:

And with pool debugging enabled in serf for a bit more detail:

==14307== Invalid read of size 4
==14307== at 0x9AEAFAF: serf_bucket_mem_free (allocator.c:223)
==14307== by 0x9AE9B83: serf_response_destroy_and_data (response_buckets.c:86)
==14307== by 0x9AE5F37: cancel_request (context.c:437)
==14307== by 0x9AE774B: serf_request_cancel (context.c:1384)
==14307== by 0x9AE736A: serf_connection_close (context.c:1249)
==14307== by 0x9AE59BC: clean_conn (context.c:184)
==14307== by 0x5E1329A: run_cleanups (apr_pools.c:2071)
==14307== by 0x5E12398: pool_clear_debug (apr_pools.c:1409)
==14307== by 0x5E12599: pool_destroy_debug (apr_pools.c:1494)
==14307== by 0x5E1237E: pool_clear_debug (apr_pools.c:1406)
==14307== by 0x5E12599: pool_destroy_debug (apr_pools.c:1494)
==14307== by 0x5E1237E: pool_clear_debug (apr_pools.c:1406)
==14307== Address 0xa8b4688 is 32 bytes inside a block of size 64 free'd
==14307== at 0x4C2130F: free (vg_replace_malloc.c:323)
==14307== by 0x5E12469: pool_clear_debug (apr_pools.c:1432)
==14307== by 0x5E12599: pool_destroy_debug (apr_pools.c:1494)
==14307== by 0x5E1237E: pool_clear_debug (apr_pools.c:1406)
==14307== by 0x5E12599: pool_destroy_debug (apr_pools.c:1494)
==14307== by 0x5E1237E: pool_clear_debug (apr_pools.c:1406)
==14307== by 0x5E12599: pool_destroy_debug (apr_pools.c:1494)
==14307== by 0x5E1237E: pool_clear_debug (apr_pools.c:1406)
==14307== by 0x5E12599: pool_destroy_debug (apr_pools.c:1494)
==14307== by 0x5E1266D: apr_pool_destroy_debug (apr_pools.c:1536)
==14307== by 0x414B27: main (main.c:2262)

There is no Subversion code beyond main. Is this a serf bug, rather
than a Subversion bug? I'm using serf 0.3.0.

-- 
Philip
Received on 2010-02-05 12:31:46 CET

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