unqlite: fix the memory leak about cell table #164
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Page cell table is alloced in lhInstallCell() when pPage->nCell < 1, but not free the cell table when pPage->nCell == 0. So when in the next call of lhInstallCell() and pPage->nCell == 0, cell table is mallcoed again and old cell table not freed. Memory leak happends. Memory Leak Backtrace: malloc at /data/project/n62/rel-4.0/nuttx/mm/umm_heap/umm_malloc.c:64 SyOSHeapAlloc at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:26906 (inlined by) MemOSAlloc at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:27095 MemBackendAlloc at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:27149 SyMemBackendAlloc at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:27179 (discriminator 3) lhInstallCell at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:49029 lhStoreCell at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:50741 lhRecordInstall at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:51065 (inlined by) lh_record_insert at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:51156 lh_record_insert at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:51103 (inlined by) lhash_kv_replace at /data/project/n62/rel-4.0/external/unqlite/unqlite/unqlite.c:51184 Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
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@symisc I found a memory leak problem. Could take a look? Thanks. |
CV-Bowen
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Page cell table is alloced in lhInstallCell() when pPage->nCell < 1, but not free the cell table when pPage->nCell == 0.
So when in the next call of lhInstallCell() and pPage->nCell == 0, cell table is mallcoed again and old cell table not freed. Memory leak happends.
Memory Leak Backtrace: