Memory leak in axis2_simple_http_svr_conn_read_request() (File
core/transport/http/common/simple_http_svr_conn.c)
-----------------------------------------------------------------------------------------------------------------
Key: AXIS2C-1583
URL: https://issues.apache.org/jira/browse/AXIS2C-1583
Project: Axis2-C
Issue Type: Bug
Components: transport/http
Affects Versions: 1.6.0
Environment: Solaris 10
Reporter: Serghei Samsi
While running stress custom tests on AXIS2C v.1.6.0 (Solaris 10 enviroment),
I've observed memory leak which continously grows RSS segment of AXIS2C process
(simple http server is used).
Running via Solaris MDB pointed directly to problem:
ADDR BUFADDR TIMESTAMP THREAD
CACHE LASTLOG CONTENTS
818fc40 818e4c0 18c2bd8827be3 2
809d590 0 0
libumem.so.1`umem_cache_alloc_debug+0x16c
libumem.so.1`umem_cache_alloc+0x15c
libumem.so.1`umem_alloc+0x3f
libumem.so.1`malloc+0x23
libaxutil.so.0.6.0`axutil_allocator_malloc_impl+0x1b
libaxutil.so.0.6.0`axutil_strdup+0x37
libaxutil.so.0.6.0`axutil_stracat+0x9d
libaxis2_http_common.so.0.6.0`axis2_simple_http_svr_conn_read_r
equest+0x30e
libaxis2_http_receiver.so.0.6.0`axis2_svr_thread_worker_func+0x
7a
libaxutil.so.0.6.0`dummy_worker+0x10
libc.so.1`_thr_setup+0x4e
libc.so.1`_lwp_start
umem_alloc_16 leak: 1751 buffers, 16 bytes each, 28016 bytes total
ADDR BUFADDR TIMESTAMP THREAD
CACHE LASTLOG CONTENTS
81b79d8 81b4d60 18c2bdb208a68 4
809d590 0 0
libumem.so.1`umem_cache_alloc_debug+0x16c
libumem.so.1`umem_cache_alloc+0xe1
libumem.so.1`umem_alloc+0x3f
libumem.so.1`malloc+0x23
libaxutil.so.0.6.0`axutil_allocator_malloc_impl+0x1b
libaxutil.so.0.6.0`axutil_strdup+0x37
libaxutil.so.0.6.0`axutil_stracat+0x9d
libaxis2_http_common.so.0.6.0`axis2_simple_http_svr_conn_read_r
equest+0x30e
libaxis2_http_receiver.so.0.6.0`axis2_svr_thread_worker_func+0x
7a
libaxutil.so.0.6.0`dummy_worker+0x10
libc.so.1`_thr_setup+0x4e
libc.so.1`_lwp_start
It is a trivial patch fix proposed.
--- axi2c-src-1.6.0-orig/src/core/transport/http/common/simple_http_svr_conn.c
2009-04-06 07:46:47.000000000 +0300
+++ axis2c-src-1.6.0/src/core/transport/http/common/simple_http_svr_conn.c
2012-01-30 16:55:40.109233000 +0200
@@ -307,6 +307,11 @@
break;
}
}
+ if (str_line)
+ {
+ AXIS2_FREE(env->allocator, str_line);
+ str_line = NULL;
+ }
return request;
}
A quick review of AXIS2c v.1.7.0 shows that v.1.7.0 doesn't experience such
problem. But probably more investigation should be done.
Anyhow AXIS2c v.1.6.0 can be fixed by proposed patch.
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