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kumquat-buildroot/package/rtl8821au/0003-Fix-using-sprintf-for-extending-string-which-causes-.patch
Christian Stewart d83e94ed82 package/rtl8821au: add patch fixing sprintf error 
Fixes compile errors against certain kernels.

Signed-off-by: Christian Stewart <christian@paral.in>
Reviewed-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2020-08-13 23:26:36 +02:00

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13 KiB
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From 5b6641978e8fa68bca05d224a61f8513b010eda8 Mon Sep 17 00:00:00 2001
From: Coleman <omegacoleman@gmail.com>
Date: Fri, 17 Jul 2020 08:53:00 +0800
Subject: [PATCH] Fix using sprintf for extending string, which causes
undefined behavior
[Upstream: https://github.com/abperiasamy/rtl8812AU_8821AU_linux/commit/be57045a0933d64e958878696883e9cf998e1bf3.patch]
Signed-off-by: Coleman <omegacoleman@gmail.com>
Signed-off-by: Christian Stewart <christian@paral.in>
---
core/rtw_mp.c | 2 +-
os_dep/linux/ioctl_linux.c | 108 ++++++++++++++++++-------------------
2 files changed, 55 insertions(+), 55 deletions(-)
diff --git a/core/rtw_mp.c b/core/rtw_mp.c
index c2e400d..989bb3e 100644
--- a/core/rtw_mp.c
+++ b/core/rtw_mp.c
@@ -1871,7 +1871,7 @@ u32 mp_query_psd(PADAPTER pAdapter, u8 *data)
} else {
psd_data = rtw_GetPSDData(pAdapter, i);
}
- sprintf(data, "%s%x ", data, psd_data);
+ sprintf(data + strlen(data), "%x ", psd_data);
i++;
}
diff --git a/os_dep/linux/ioctl_linux.c b/os_dep/linux/ioctl_linux.c
index c74a153..9543fa3 100644
--- a/os_dep/linux/ioctl_linux.c
+++ b/os_dep/linux/ioctl_linux.c
@@ -9080,19 +9080,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i = 0; i < EFUSE_MAP_SIZE; i += 16) {
// DBG_871X("0x%02x\t", i);
- sprintf(extra, "%s0x%02x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%02x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", data[i+j]);
- sprintf(extra, "%s%02X ", extra, PROMContent[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", PROMContent[i+j]);
}
// DBG_871X("\t");
- sprintf(extra, "%s\t", extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", data[i+j]);
- sprintf(extra, "%s%02X ", extra, PROMContent[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", PROMContent[i+j]);
}
// DBG_871X("\n");
- sprintf(extra,"%s\n",extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
} else if (strcmp(tmp[0], "realmap") == 0) {
@@ -9107,19 +9107,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i = 0; i < EFUSE_MAP_SIZE; i += 16) {
// DBG_871X("0x%02x\t", i);
- sprintf(extra, "%s0x%02x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%02x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", data[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeEfuseInitMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeEfuseInitMap[i+j]);
}
// DBG_871X("\t");
- sprintf(extra, "%s\t", extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", data[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeEfuseInitMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeEfuseInitMap[i+j]);
}
// DBG_871X("\n");
- sprintf(extra,"%s\n",extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
} else if (strcmp(tmp[0], "rmap") == 0) {
@@ -9158,7 +9158,7 @@ static int rtw_mp_efuse_get(struct net_device *dev,
*extra = 0;
for (i=0; i<cnts; i++) {
// DBG_871X("0x%02x ", data[i]);
- sprintf(extra, "%s0x%02X ", extra, data[i]);
+ sprintf(extra + strlen(extra), "0x%02X ", data[i]);
}
// DBG_871X("}\n");
} else if (strcmp(tmp[0], "realraw") == 0) {
@@ -9174,17 +9174,17 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n0x00\t");
for (i=0; i< mapLen; i++) {
// DBG_871X("%02X", rawdata[i]);
- sprintf(extra, "%s%02X", extra, rawdata[i]);
+ sprintf(extra + strlen(extra), "%02X", rawdata[i]);
if ((i & 0xF) == 0xF) {
// DBG_871X("\n");
- sprintf(extra, "%s\n", extra);
- sprintf(extra, "%s0x%02x\t", extra, i+1);
+ sprintf(extra + strlen(extra), "\n");
+ sprintf(extra + strlen(extra), "0x%02x\t", i+1);
} else if ((i & 0x7) == 0x7) {
// DBG_871X("\t");
- sprintf(extra, "%s \t", extra);
+ sprintf(extra + strlen(extra), " \t");
} else {
// DBG_871X(" ");
- sprintf(extra, "%s ", extra);
+ sprintf(extra + strlen(extra), " ");
}
}
// DBG_871X("}\n");
@@ -9269,10 +9269,10 @@ static int rtw_mp_efuse_get(struct net_device *dev,
*extra = 0;
for (i=0; i<cnts; i++) {
// DBG_871X("%02X", data[i]);
- sprintf(extra, "%s%02X", extra, data[i]);
+ sprintf(extra + strlen(extra), "%02X", data[i]);
if (i != (cnts-1)) {
// DBG_871X(":");
- sprintf(extra,"%s:",extra);
+ sprintf(extra + strlen(extra), ":");
}
}
// DBG_871X("}\n");
@@ -9330,10 +9330,10 @@ static int rtw_mp_efuse_get(struct net_device *dev,
*extra = 0;
for (i=0; i<cnts; i++) {
// DBG_871X("0x%02x", data[i]);
- sprintf(extra, "%s0x%02X", extra, data[i]);
+ sprintf(extra + strlen(extra), "0x%02X", data[i]);
if (i != (cnts-1)) {
// DBG_871X(",");
- sprintf(extra,"%s,",extra);
+ sprintf(extra + strlen(extra), ",");
}
}
// DBG_871X("}\n");
@@ -9355,19 +9355,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i=0; i<512; i+=16) { // set 512 because the iwpriv's extra size have limit 0x7FF
// DBG_871X("0x%03x\t", i);
- sprintf(extra, "%s0x%03x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%03x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", pEfuseHal->BTEfuseInitMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->BTEfuseInitMap[i+j]);
}
// DBG_871X("\t");
- sprintf(extra,"%s\t",extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", pEfuseHal->BTEfuseInitMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->BTEfuseInitMap[i+j]);
}
// DBG_871X("\n");
- sprintf(extra, "%s\n", extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
} else if (strcmp(tmp[0],"btbmap") == 0) {
@@ -9384,19 +9384,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i=512; i<1024 ; i+=16) {
// DBG_871X("0x%03x\t", i);
- sprintf(extra, "%s0x%03x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%03x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", data[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->BTEfuseInitMap[i+j]);
}
// DBG_871X("\t");
- sprintf(extra,"%s\t",extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", data[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->BTEfuseInitMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->BTEfuseInitMap[i+j]);
}
// DBG_871X("\n");
- sprintf(extra, "%s\n", extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
} else if (strcmp(tmp[0],"btrmap") == 0) {
@@ -9436,7 +9436,7 @@ static int rtw_mp_efuse_get(struct net_device *dev,
// DBG_871X("%s: bt efuse data={", __FUNCTION__);
for (i=0; i<cnts; i++) {
// DBG_871X("0x%02x ", data[i]);
- sprintf(extra, "%s 0x%02X ", extra, data[i]);
+ sprintf(extra + strlen(extra), " 0x%02X ", data[i]);
}
// DBG_871X("}\n");
DBG_871X(FUNC_ADPT_FMT ": BT MAC=[%s]\n", FUNC_ADPT_ARG(padapter), extra);
@@ -9445,19 +9445,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i=0; i<512; i+=16) {
// DBG_871X("0x%03x\t", i);
- sprintf(extra, "%s0x%03x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%03x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
}
// DBG_871X("\t");
- sprintf(extra, "%s\t", extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
}
// DBG_871X("\n");
- sprintf(extra, "%s\n", extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
} else if (strcmp(tmp[0],"btbfake") == 0) {
@@ -9465,19 +9465,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i=512; i<1024; i+=16) {
// DBG_871X("0x%03x\t", i);
- sprintf(extra, "%s0x%03x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%03x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
}
// DBG_871X("\t");
- sprintf(extra, "%s\t", extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeBTEfuseModifiedMap[i+j]);
}
// DBG_871X("\n");
- sprintf(extra, "%s\n", extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
} else if (strcmp(tmp[0],"wlrfkmap")== 0) {
@@ -9485,19 +9485,19 @@ static int rtw_mp_efuse_get(struct net_device *dev,
sprintf(extra, "\n");
for (i=0; i<EFUSE_MAP_SIZE; i+=16) {
// DBG_871X("\t0x%02x\t", i);
- sprintf(extra, "%s0x%02x\t", extra, i);
+ sprintf(extra + strlen(extra), "0x%02x\t", i);
for (j=0; j<8; j++) {
// DBG_871X("%02X ", pEfuseHal->fakeEfuseModifiedMap[i+j]);
- sprintf(extra, "%s%02X ", extra, pEfuseHal->fakeEfuseModifiedMap[i+j]);
+ sprintf(extra + strlen(extra), "%02X ", pEfuseHal->fakeEfuseModifiedMap[i+j]);
}
// DBG_871X("\t");
- sprintf(extra, "%s\t", extra);
+ sprintf(extra + strlen(extra), "\t");
for (; j<16; j++) {
// DBG_871X("%02X ", pEfuseHal->fakeEfuseModifiedMap[i+j]);
- sprintf(extra, "%s %02X", extra, pEfuseHal->fakeEfuseModifiedMap[i+j]);
+ sprintf(extra + strlen(extra), " %02X", pEfuseHal->fakeEfuseModifiedMap[i+j]);
}
// DBG_871X("\n");
- sprintf(extra, "%s\n", extra);
+ sprintf(extra + strlen(extra), "\n");
}
// DBG_871X("\n");
@@ -9523,7 +9523,7 @@ static int rtw_mp_efuse_get(struct net_device *dev,
*extra = 0;
for (i=0; i<cnts; i++) {
DBG_871X("wlrfkrmap = 0x%02x \n", pEfuseHal->fakeEfuseModifiedMap[addr+i]);
- sprintf(extra, "%s0x%02X ", extra, pEfuseHal->fakeEfuseModifiedMap[addr+i]);
+ sprintf(extra + strlen(extra), "0x%02X ", pEfuseHal->fakeEfuseModifiedMap[addr+i]);
}
} else if (strcmp(tmp[0],"btrfkrmap")== 0) {
if ((tmp[1]==NULL) || (tmp[2]==NULL)) {
@@ -9547,7 +9547,7 @@ static int rtw_mp_efuse_get(struct net_device *dev,
*extra = 0;
for (i=0; i<cnts; i++) {
DBG_871X("wlrfkrmap = 0x%02x \n", pEfuseHal->fakeBTEfuseModifiedMap[addr+i]);
- sprintf(extra, "%s0x%02X ", extra, pEfuseHal->fakeBTEfuseModifiedMap[addr+i]);
+ sprintf(extra + strlen(extra), "0x%02X ", pEfuseHal->fakeBTEfuseModifiedMap[addr+i]);
}
} else {
sprintf(extra, "Command not found!");
@@ -10409,7 +10409,7 @@ static int rtw_mp_read_reg(struct net_device *dev,
pnext++;
if ( *pnext != '\0' ) {
strtout = simple_strtoul (pnext , &ptmp, 16);
- sprintf( extra, "%s %d" ,extra ,strtout );
+ sprintf(extra + strlen(extra), " %d" ,strtout );
} else {
break;
}
@@ -10443,7 +10443,7 @@ static int rtw_mp_read_reg(struct net_device *dev,
pnext++;
if ( *pnext != '\0' ) {
strtout = simple_strtoul (pnext , &ptmp, 16);
- sprintf( extra, "%s %d" ,extra ,strtout );
+ sprintf(extra + strlen(extra), " %d" ,strtout );
} else {
break;
}
@@ -10566,7 +10566,7 @@ static int rtw_mp_read_rf(struct net_device *dev,
pnext++;
if ( *pnext != '\0' ) {
strtou = simple_strtoul (pnext , &ptmp, 16);
- sprintf( extra, "%s %d" ,extra ,strtou );
+ sprintf(extra + strlen(extra), " %d" ,strtou );
} else {
break;
}
@@ -12155,14 +12155,14 @@ todo:
goto exit;
#ifdef CONFIG_RTL8723A
- sprintf(extra, "%s %d ", extra, (pMptCtx->mptOutBuf[i]& 0x3f));
+ sprintf(extra + strlen(extra), " %d ", (pMptCtx->mptOutBuf[i]& 0x3f));
#else
- sprintf(extra, "%s %d ", extra, (pMptCtx->mptOutBuf[i]& 0x1f));
+ sprintf(extra + strlen(extra), " %d ", (pMptCtx->mptOutBuf[i]& 0x1f));
#endif
}
} else {
for (i=4; i<pMptCtx->mptOutLen; i++) {
- sprintf(extra, "%s 0x%x ", extra, pMptCtx->mptOutBuf[i]);
+ sprintf(extra + strlen(extra), " 0x%x ", pMptCtx->mptOutBuf[i]);
}
}
--
2.28.0
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