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qcacld-3.0: Add zero to the end of the buffer

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when wlan_mac.bin doesn’t end with ‘\0’,
get_next_line() can access the unexpected area.

Fix this by adding 0 to the end of the buffer.

Change-Id: I01971aa5ad9679338a19e837f73969367d5b08f8
CRs-Fixed: 2026925
This commit is contained in:
Srinivas Girigowda 2017-03-30 18:27:25 -07:00 • committed by Sandeep Puligilla
commit e6b465b3c2
1 changed files with 2 additions and 1 deletions
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3
core/hdd/src/wlan_hdd_cfg.c
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@ -5805,7 +5805,7 @@ QDF_STATUS hdd_update_mac_config(hdd_context_t *pHddCtx)
hdd_debug("wlan_mac.bin size %zu", fw->size);
temp = qdf_mem_malloc(fw->size);
temp = qdf_mem_malloc(fw->size + 1);
if (temp == NULL) {
hdd_err("fail to alloc memory");
@ -5814,6 +5814,7 @@ QDF_STATUS hdd_update_mac_config(hdd_context_t *pHddCtx)
}
buffer = temp;
qdf_mem_copy(buffer, fw->data, fw->size);
buffer[fw->size + 1] = 0x0;
/* data format:
* Intf0MacAddress=00AA00BB00CC