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authorGriffin Smith <grfn@gws.fyi>2020-11-18T14·02-0500
committerglittershark <grfn@gws.fyi>2020-11-19T00·29+0000
commit8d24a975f1d300f43485aa33e72187a016d23a49 (patch)
tree0ba114fe1fdaf70548500b5acd1d61b36f7b66d3 /users/tazjin/emacs/default.nix
parent20e206a3f61c74d1a2994a614fa7eec49109f995 (diff)
fix(tvix): Use copy constructor to add strings to protos r/1886
Passing a string directly to add_paths like this causes the proto class
to take ownership over the string, meaning when it is destructed it
will *explicitly* free the string. When the string's actual owner (the
derivation struct) then goes out of scope it'll get freed again, causing
a double-free. This fixes that to instead use the copy constructor to
assign to a pointer to a new path, and covers the whole to_proto method
with a rapidcheck test.

Fixes: b/64
Change-Id: I84235bed9104ff430a0acf686d4a96f1e2e9a897
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2106
Reviewed-by: tazjin <mail@tazj.in>
Tested-by: BuildkiteCI
Diffstat (limited to 'users/tazjin/emacs/default.nix')
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