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espressif / esp-iot-bridge

A smart bridge to make both ESP and the other MCU or smart device can access the Internet.

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warning: pointer 'item' used after 'free' [-Wuse-after-free] (AEGHB-331)

rinstrum-franz opened this issue · comments

commented

esp-iot-bridge/components/web_server/src/web_server.c

Line 292 in a009f9a

free(fail_item);

esp-iot-bridge/components/web_server/src/web_server.c

Line 615 in a009f9a

free(item); 

/home/franz/git/rin/rinGate/rinGate/components/web_server/src/web_server.c: In function 'stop_scan_filter':
/home/franz/git/rin/rinGate/rinGate/components/web_server/src/web_server.c:290:103: warning: pointer 'fail_item' used after 'free' [-Wuse-after-free]
  290 |         for (router_obj_t *fail_item = SLIST_FIRST(&s_router_fail_list); fail_item != NULL; fail_item = SLIST_NEXT(fail_item, next)) {
      |                                                                                                       ^
/home/franz/git/rin/rinGate/rinGate/components/web_server/src/web_server.c:292:13: note: call to 'free' here
  292 |             free(fail_item);
      |             ^~~~~~~~~~~~~~~
/home/franz/git/rin/rinGate/rinGate/components/web_server/src/web_server.c: In function 'esp_web_start_scan_filter':
/home/franz/git/rin/rinGate/rinGate/components/web_server/src/web_server.c:612:73: warning: pointer 'item' used after 'free' [-Wuse-after-free]
  612 |         for (item = SLIST_FIRST(&s_router_all_list); item != NULL; item = SLIST_NEXT(item, next)) {
      |                                                                         ^
/home/franz/git/rin/rinGate/rinGate/components/web_server/src/web_server.c:615:13: note: call to 'free' here
  615 |             free(item);
      |             ^~~~~~~~~~
commented

Hello, thank you for your feedback. Although these warnings do not affect the functionality, we will work on optimizing and resolving these warnings in the future.

commented