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{bp-19326} drivers: wireless: bound GS2200M sscanf fields #19346

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Merged
xiaoxiang781216 merged 1 commit into from
Jul 6, 2026
Merged

{bp-19326} drivers: wireless: bound GS2200M sscanf fields #19346

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8 changes: 4 additions & 4 deletions drivers/wireless/gs2200m.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1270,7 +1270,7 @@ static void _parse_pkt_in_s4(FAR struct pkt_ctx_s *pkt_ctx,

memset(addr, 0, sizeof(addr));
memset(port, 0, sizeof(port));
n = sscanf((FAR const char *)pkt_ctx->ptr, "%s %s\t", addr, port);
n = sscanf((FAR const char *)pkt_ctx->ptr, "%16s %5s\t", addr, port);
ASSERT(2 == n);

wlinfo("from (%s:%s)\n", addr, port);
Expand Down Expand Up @@ -1716,7 +1716,7 @@ static enum pkt_type_e gs2200m_join_network(FAR struct gs2200m_dev_s *dev,
ASSERT(3 == pkt_dat.n);

n = sscanf(pkt_dat.msg[1] + 1,
" %[^:]:%[^:]:%[^ ]",
" %16[^:]:%16[^:]:%16[^ ]",
addr[0], addr[1], addr[2]);
ASSERT(3 == n);

Expand Down Expand Up @@ -2793,7 +2793,7 @@ static int gs2200m_ioctl_iwreq(FAR struct gs2200m_dev_s *dev,
goto errout;
}

n = sscanf(pkt_dat.msg[2], "BSSID=%c:%c:%c:%c:%c:%c %s",
n = sscanf(pkt_dat.msg[2], "BSSID=%c:%c:%c:%c:%c:%c %63s",
&res->u.ap_addr.sa_data[0], &res->u.ap_addr.sa_data[1],
&res->u.ap_addr.sa_data[2], &res->u.ap_addr.sa_data[3],
&res->u.ap_addr.sa_data[4], &res->u.ap_addr.sa_data[5],
Expand All @@ -2812,7 +2812,7 @@ static int gs2200m_ioctl_iwreq(FAR struct gs2200m_dev_s *dev,
goto errout;
}

n = sscanf(pkt_dat.msg[2], "%s CHANNEL=%" SCNd32 " %s",
n = sscanf(pkt_dat.msg[2], "%63s CHANNEL=%" SCNd32 " %63s",
cmd, &res->u.freq.m, cmd2);
ASSERT(3 == n);
wlinfo("CHANNEL:%" PRId32 "\n", res->u.freq.m);
Expand Down
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