topology: fix memleak in listchannels#5865
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rustyrussell merged 1 commit intoElementsProject:masterfrom Jan 3, 2023
Merged
topology: fix memleak in listchannels#5865rustyrussell merged 1 commit intoElementsProject:masterfrom
rustyrussell merged 1 commit intoElementsProject:masterfrom
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local_connected allocates a struct node_map off of the struct listchannels_opts but fails to ever release the internal table, so those table allocations hang around forever. Add node_map_clear as a destructor for the struct node_map to ensure that the internal table is freed when the enclosing struct is freed. Changelog-Fixed: topology: Fixed memleak in `listchannels` Signed-off-by: Matt Whitlock <[email protected]>
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This is correct, good find! I thought I'd changed our hash tables to all use tal, but I had actually not put up a PR for those. I'll apply this, then rebase that on top! |
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local_connectedallocates astruct node_mapoff of thestruct listchannels_optsbut fails to ever release the internal table, so those table allocations hang around forever. Addnode_map_clearas a destructor for thestruct node_mapto ensure that the internal table is freed when the enclosing struct is freed.