Bug #23375
Updated by Mark Kogan about 6 years ago
When libcurl is configured with --with-nss
There is a memory leak in PK11_CreateGenericObject() function
<pre>
¦ MB
8.480^ #
¦ ¦| @@@@#
¦ ¦| @@@@@@@#
¦ ¦| :::::@@@@@@@#
¦ ¦| ::@@:: :: @@@@@@@#
¦ ¦| :::@: @ :: :: @@@@@@@#
¦ ¦| @@@:::: @: @ :: :: @@@@@@@#
¦ ¦| ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| @@@::@::::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| :::@@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| @:::::: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| @@::@: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| ::::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| :@::: ::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| @ :::::@::: ::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| :::@::::: :@::: ::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| : :@: ::: :@::: ::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| : :@: ::: :@::: ::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦ ¦| : :@: ::: :@::: ::@@: @: : :: @@::@ @::@: ::@@ : :: @: @ :: :: @@@@@@@#
¦0 +----------------------------------------------------------------------->Gi
¦ ¦0 11.32
--------------------------------------------------------------------------------
n time(i) total(B) useful-heap(B) extra-heap(B) stacks(B)
--------------------------------------------------------------------------------
66 12,126,113,059 8,719,784 7,271,908 1,447,876 0
67 12,155,945,056 8,891,544 7,436,525 1,455,019 0
83.64% (7,436,525B) (heap allocation functions) malloc/new/new[], --alloc-fns, etc.
->73.74% (6,556,871B) 0xB05B6F8: ???
| ->28.52% (2,535,936B) 0xB04C362: ???
| | ->28.52% (2,535,936B) 0xB0505E7: ???
| | ->28.52% (2,535,936B) 0xB0554B9: ???
| | ->28.52% (2,535,936B) 0x5D71860: PK11_CreateNewObject (pk11obj.c:405)
| | ->28.52% (2,535,936B) 0x5D73721: PK11_CreateGenericObject (pk11obj.c:1638)
| | ->28.52% (2,535,936B) 0x4E3766B: nss_create_object.isra.10 (nss.c:401)
| | ->28.52% (2,535,936B) 0x4E37727: nss_load_cert (nss.c:438)
| | ->28.52% (2,535,936B) 0x4E702E5: nss_connect_common (nss.c:1200)
| | ->28.52% (2,535,936B) 0x4E6695C: Curl_ssl_connect_nonblocking (sslgen.c:229)
| | ->28.52% (2,535,936B) 0x4E3DE4B: Curl_http_connect (http.c:1345)
| | ->28.52% (2,535,936B) 0x4E4D613: Curl_protocol_connect (url.c:3297)
| | ->28.52% (2,535,936B) 0x4E60CC9: multi_runsingle (multi.c:1159)
| | ->28.52% (2,535,936B) 0x4E6121F: curl_multi_perform (multi.c:1757)
| | ->28.52% (2,535,936B) 0x4E58521: curl_easy_perform (easy.c:480)
| | ->28.52% (2,535,936B) 0x400B26: doit (curl1.c:36)
| | ->28.52% (2,535,936B) 0x400BB2: process (curl1.c:54)
| | ->28.52% (2,535,936B) 0x400BEA: main (curl1.c:62)
| |
</pre>
I found a way
A method to free the memory accumulated in Curl/NSS
by calling its possible to call the
curl_global_cleanup() function. function