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Fix segfault in sample.c due to analigned access caused by strcpy #2

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Fix segfault in sample.c due to analigned access caused by strcpy #2

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10 changes: 8 additions & 2 deletions sample/sample.c
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Original file line number Diff line number Diff line change
Expand Up @@ -247,7 +247,10 @@ static int send_ctrl_msg(const uint8_t instance)
* in SRAM and A53 will complain about unaligned accesses.
*/
sprintf(tmp, "SENDING MESSAGES: %d", app.num_msgs);
strcpy(app.ctrl_shm, tmp);

char *src = tmp;
char *dst = app.ctrl_shm;
while((*dst++ = *src++) != '\0');

sample_info("ch %d >> %ld bytes: %s\n", chan_id, strlen(tmp), tmp);

Expand Down Expand Up @@ -278,7 +281,10 @@ static void generate_msg(char *s, int len, int msg_no)
* in SRAM and A53 will complain about unaligned accesses.
*/
sprintf(tmp, "#%d HELLO WORLD! from KERNEL", msg_no);
strcpy(s, tmp);

char *src = tmp;
char *dst = s;
while((*dst++ = *src++) != '\0');
}

/**
Expand Down