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core: fix memory leak on reload
==1== HEAP SUMMARY: ==1== in use at exit: 61,728 bytes in 22 blocks ==1== total heap usage: 258,122 allocs, 258,100 frees, 78,219,628 bytes allocated ==1== ==1== 16 bytes in 1 blocks are definitely lost in loss record 1 of 6 ==1== at 0x4C2BBCF: malloc (vg_replace_malloc.c:299) ==1== by 0x1E350E: memdup (alloc-util.c:34) ==1== by 0x135AFB: memdup_multiply (alloc-util.h:74) ==1== by 0x140F97: manager_set_default_rlimits (manager.c:2929) ==1== by 0x1303DA: manager_set_defaults (main.c:737) ==1== by 0x133A02: main (main.c:1718) ==1== ==1== 272 bytes in 17 blocks are definitely lost in loss record 2 of 6 ==1== at 0x4C2BBCF: malloc (vg_replace_malloc.c:299) ==1== by 0x1E350E: memdup (alloc-util.c:34) ==1== by 0x135AFB: memdup_multiply (alloc-util.h:74) ==1== by 0x140F97: manager_set_default_rlimits (manager.c:2929) ==1== by 0x1303DA: manager_set_defaults (main.c:737) ==1== by 0x13480D: main (main.c:1828) ==1== ==1== LEAK SUMMARY: ==1== definitely lost: 288 bytes in 18 blocks ==1== indirectly lost: 0 bytes in 0 blocks ==1== possibly lost: 0 bytes in 0 blocks ==1== still reachable: 61,440 bytes in 4 blocks ==1== suppressed: 0 bytes in 0 blocks ==1== Reachable blocks (those to which a pointer was found) are not shown. ==1== To see them, rerun with: --leak-check=full --show-leak-kinds=all
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@ -989,7 +989,7 @@ Manager* manager_free(Manager *m) {
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free(m->switch_root_init);
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for (i = 0; i < _RLIMIT_MAX; i++)
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free(m->rlimit[i]);
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m->rlimit[i] = mfree(m->rlimit[i]);
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assert(hashmap_isempty(m->units_requiring_mounts_for));
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hashmap_free(m->units_requiring_mounts_for);
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@ -2923,6 +2923,8 @@ int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) {
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assert(m);
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for (i = 0; i < _RLIMIT_MAX; i++) {
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m->rlimit[i] = mfree(m->rlimit[i]);
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if (!default_rlimit[i])
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continue;
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