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gdbstub: fix array overrun

Browse Source 
https://pvs-studio.com/en/blog/posts/cpp/0790/#ID487F9D1F5B
Reported in https://github.com/espressif/esp-idf/issues/6440
This commit is contained in:
Ivan Grokhotkov
2022-03-11 21:05:32 +01:00
parent a8ba5a0264
commit fdef8aecb7
1 changed files with 1 additions and 1 deletions
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components/esp_gdbstub/xtensa/gdbstub_xtensa.c
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@@ -117,7 +117,7 @@ void esp_gdbstub_tcb_to_regfile(TaskHandle_t tcb, esp_gdbstub_gdb_regfile_t *dst
int esp_gdbstub_get_signal(const esp_gdbstub_frame_t *frame) int esp_gdbstub_get_signal(const esp_gdbstub_frame_t *frame)
{ {
const char exccause_to_signal[] = {4, 31, 11, 11, 2, 6, 8, 0, 6, 7, 0, 0, 7, 7, 7, 7}; const char exccause_to_signal[] = {4, 31, 11, 11, 2, 6, 8, 0, 6, 7, 0, 0, 7, 7, 7, 7};
if (frame->exccause > sizeof(exccause_to_signal)) { if (frame->exccause >= sizeof(exccause_to_signal)) {
return 11; return 11;
} }
return (int) exccause_to_signal[frame->exccause]; return (int) exccause_to_signal[frame->exccause];