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From fa5a3a16e94773baf1dce3881d5cfab556b87113 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Cristian=20Rodr=C3=ADguez?= <crrodriguez@opensuse.org>
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Date: Mon, 11 May 2015 23:30:38 -0300
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Subject: [PATCH] core: fix memory leak in manager_run_generators()
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If systemd is built with GCC address sanitizer or leak sanitizer
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the following memory leak ocurs:
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May 12 02:02:46 linux.site systemd[326]: =================================================================
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May 12 02:02:46 linux.site systemd[326]: ==326==ERROR: LeakSanitizer: detected memory leaks
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May 12 02:02:46 linux.site systemd[326]: Direct leak of 101 byte(s) in 3 object(s) allocated from:
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May 12 02:02:46 linux.site systemd[326]: #0 0x7fd1f504993f in strdup (/usr/lib64/libasan.so.2+0x6293f)
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May 12 02:02:46 linux.site systemd[326]: #1 0x55d6ffac5336 in strv_new_ap src/shared/strv.c:163
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May 12 02:02:46 linux.site systemd[326]: #2 0x55d6ffac56a9 in strv_new src/shared/strv.c:185
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May 12 02:02:46 linux.site systemd[326]: #3 0x55d6ffa80272 in generator_paths src/shared/path-lookup.c:223
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May 12 02:02:46 linux.site systemd[326]: #4 0x55d6ff9bdb0f in manager_run_generators src/core/manager.c:2828
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May 12 02:02:46 linux.site systemd[326]: #5 0x55d6ff9b1a10 in manager_startup src/core/manager.c:1121
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May 12 02:02:46 linux.site systemd[326]: #6 0x55d6ff9a78e3 in main src/core/main.c:1667
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May 12 02:02:46 linux.site systemd[326]: #7 0x7fd1f394e8c4 in __libc_start_main (/lib64/libc.so.6+0x208c4)
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May 12 02:02:46 linux.site systemd[326]: Direct leak of 29 byte(s) in 1 object(s) allocated from:
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May 12 02:02:46 linux.site systemd[326]: #0 0x7fd1f504993f in strdup (/usr/lib64/libasan.so.2+0x6293f)
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May 12 02:02:46 linux.site systemd[326]: #1 0x55d6ffac5288 in strv_new_ap src/shared/strv.c:152
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May 12 02:02:46 linux.site systemd[326]: #2 0x55d6ffac56a9 in strv_new src/shared/strv.c:185
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May 12 02:02:46 linux.site systemd[326]: #3 0x55d6ffa80272 in generator_paths src/shared/path-lookup.c:223
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May 12 02:02:46 linux.site systemd[326]: #4 0x55d6ff9bdb0f in manager_run_generators src/core/manager.c:2828
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May 12 02:02:46 linux.site systemd[326]: #5 0x55d6ff9b1a10 in manager_startup src/core/manager.c:1121
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May 12 02:02:46 linux.site systemd[326]: #6 0x55d6ff9a78e3 in main src/core/main.c:1667
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May 12 02:02:46 linux.site systemd[326]: #7 0x7fd1f394e8c4 in __libc_start_main (/lib64/libc.so.6+0x208c4)
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May 12 02:02:46 linux.site systemd[326]: SUMMARY: AddressSanitizer: 130 byte(s) leaked in 4 allocation(s).
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There is a leak due to the the use of cleanup_free instead
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_cleanup_strv_free_
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Cherry-picked from: f42348ace7feb2311593b8cf6c876856eecf256a
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Related: #1331667
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---
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src/core/manager.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/core/manager.c b/src/core/manager.c
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index bb5050303..a1504bf17 100644
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--- a/src/core/manager.c
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+++ b/src/core/manager.c
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@@ -2827,7 +2827,7 @@ static void trim_generator_dir(Manager *m, char **generator) {
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}
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static int manager_run_generators(Manager *m) {
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- _cleanup_free_ char **paths = NULL;
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+ _cleanup_strv_free_ char **paths = NULL;
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const char *argv[5];
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char **path;
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int r;
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