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| author | Amit Kapila <akapila@postgresql.org> | 2021-03-12 15:42:08 +0530 |
|---|---|---|
| committer | Amit Kapila <akapila@postgresql.org> | 2021-03-12 15:42:08 +0530 |
| commit | 519e4c9ee21a656879123f4843f1d8d60cb71536 (patch) | |
| tree | b8ccf9c91e4d78e15c51c1c565ce62b46571eb4d /src | |
| parent | e2cda3c20a61c76e497fb2ebb6d2b2ae8c43c014 (diff) | |
| download | postgresql-519e4c9ee21a656879123f4843f1d8d60cb71536.tar.gz postgresql-519e4c9ee21a656879123f4843f1d8d60cb71536.zip | |
Fix size overflow in calculation introduced by commits d6ad34f3 and bea449c6.
Reported-by: Thomas Munro
Author: Takayuki Tsunakawa
Reviewed-by: Kyotaro Horiguchi
Discussion: https://postgr.es/m/CA+hUKG+oPoFizjABt=GXZWTEHx3oev5rAe2scjW2r6F1rguo5w@mail.gmail.com
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 4c1d5eceb4d..e4d257e1c52 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -76,7 +76,7 @@ * being dropped. For the relations with size below this threshold, we find * the buffers by doing lookups in BufMapping table. */ -#define BUF_DROP_FULL_SCAN_THRESHOLD (uint32) (NBuffers / 32) +#define BUF_DROP_FULL_SCAN_THRESHOLD (uint64) (NBuffers / 32) typedef struct PrivateRefCountEntry { @@ -2987,7 +2987,7 @@ DropRelFileNodeBuffers(SMgrRelation smgr_reln, ForkNumber *forkNum, int j; RelFileNodeBackend rnode; BlockNumber nForkBlock[MAX_FORKNUM]; - BlockNumber nBlocksToInvalidate = 0; + uint64 nBlocksToInvalidate = 0; rnode = smgr_reln->smgr_rnode; @@ -3111,7 +3111,7 @@ DropRelFileNodesAllBuffers(SMgrRelation *smgr_reln, int nnodes) int n = 0; SMgrRelation *rels; BlockNumber (*block)[MAX_FORKNUM + 1]; - BlockNumber nBlocksToInvalidate = 0; + uint64 nBlocksToInvalidate = 0; RelFileNode *nodes; bool cached = true; bool use_bsearch; |