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Merge pull request #15054 from haukepetersen/fix_emcute_msgupdate

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net/emcute: fix buffer overflow in _willupd_msg()
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Martine Lenders 2020-09-22 15:51:05 +02:00 committed by GitHub
commit db6355fb13
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1 changed files with 1 additions and 2 deletions
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3
sys/net/application_layer/emcute/emcute.c
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@ -483,11 +483,10 @@ int emcute_willupd_msg(const void *data, size_t len)
mutex_lock(&txlock);
size_t pos = set_len(tbuf, (len + 1));
len += (pos + 1);
tbuf[pos++] = WILLMSGUPD;
memcpy(&tbuf[pos], data, len);
return syncsend(WILLMSGRESP, len, true);
return syncsend(WILLMSGRESP, (pos + len), true);
}
void emcute_run(uint16_t port, const char *id)