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fix: double-free in engram_neighbors_json BFS + rebuild engram.c

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el_strdup tracks pointers in the arena. The BFS arrays in
engram_neighbors_json are manually freed — using el_strdup caused a
double-free when the arena was later popped. Changed to plain strdup
for those allocations.

engram/dist/engram.c rebuilt from engram/src/server.el with current
elc (minor codegen diff: parenthesisation and _argc/_argv rename).
This commit is contained in:
Will Anderson
2026-05-06 14:11:40 -05:00
parent bd7303447b
commit 6ced0f8009
2 changed files with 9 additions and 7 deletions
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engram/dist/engram.c
Vendored
+3 -3
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@@ -308,7 +308,7 @@ el_val_t handle_request(el_val_t method, el_val_t path, el_val_t body) {
if (str_eq(method, EL_STR("POST")) && (str_eq(clean, EL_STR("/api/nodes")) || str_eq(clean, EL_STR("/nodes")))) {
return route_create_node(method, path, body);
}
if (str_eq(method, EL_STR("GET")) && (str_eq(clean, EL_STR("/api/nodes")) || str_eq(clean, EL_STR("/nodes")) || str_eq(clean, EL_STR("/nodes/list")) || str_eq(clean, EL_STR("/api/nodes/list")))) {
if (str_eq(method, EL_STR("GET")) && (((str_eq(clean, EL_STR("/api/nodes")) || str_eq(clean, EL_STR("/nodes"))) || str_eq(clean, EL_STR("/nodes/list"))) || str_eq(clean, EL_STR("/api/nodes/list")))) {
return route_scan_nodes(method, path, body);
}
if (str_eq(method, EL_STR("GET")) && (str_eq(clean, EL_STR("/api/edges")) || str_eq(clean, EL_STR("/edges")))) {
@@ -351,8 +351,8 @@ el_val_t handle_request(el_val_t method, el_val_t path, el_val_t body) {
return 0;
}
int main(int argc, char** argv) {
el_runtime_init_args(argc, argv);
int main(int _argc, char** _argv) {
el_runtime_init_args(_argc, _argv);
bind_str = env(EL_STR("ENGRAM_BIND"));
if (str_eq(bind_str, EL_STR(""))) {
bind_str = EL_STR(":8742");