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Fix: Fix null pointer dereference in wasm_c_api.c (#4863)

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liang.he 2026-03-09 19:10:35 -07:00 committed by GitHub
parent f159cc56ac
commit 9d1dc3e4d2
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1 changed files with 13 additions and 4 deletions
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17
core/iwasm/common/wasm_c_api.c
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@ -3459,9 +3459,16 @@ failed:
wasm_runtime_free(argv);
#if WASM_ENABLE_DUMP_CALL_STACK != 0 && WASM_ENABLE_THREAD_MGR != 0
WASMCluster *cluster = wasm_exec_env_get_cluster(exec_env);
cluster_frames = &cluster->exception_frames;
wasm_cluster_traverse_lock(exec_env);
WASMCluster *cluster = NULL;
if (exec_env) {
cluster = wasm_exec_env_get_cluster(exec_env);
}
if (cluster) {
cluster_frames = &cluster->exception_frames;
}
if (cluster_frames) {
wasm_cluster_traverse_lock(exec_env);
}
#endif
wasm_trap_t *trap = wasm_trap_new_internal(
@ -3469,7 +3476,9 @@ failed:
wasm_runtime_get_exception(func->inst_comm_rt), cluster_frames);
#if WASM_ENABLE_DUMP_CALL_STACK != 0 && WASM_ENABLE_THREAD_MGR != 0
wasm_cluster_traverse_unlock(exec_env);
if (cluster_frames) {
wasm_cluster_traverse_unlock(exec_env);
}
#endif
return trap;
}