arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Sat Apr 02 2022 - 11:42:11 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 88e6c0207623874922712e162e25d9dafd39661e
commit: 28e77cc1c0686621a4d416f599cee5ab369daa0a fortify: Detect struct member overflows in memset() at compile-time
date: 7 weeks ago
config: powerpc64-randconfig-s032-20220402 (https://download.01.org/0day-ci/archive/20220402/202204022352.aG6BUBRa-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28e77cc1c0686621a4d416f599cee5ab369daa0a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 28e77cc1c0686621a4d416f599cee5ab369daa0a
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/platforms/ps3/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
arch/powerpc/platforms/ps3/gelic_udbg.c:127:53: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *start @@ got struct debug_block [noderef] __iomem * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:127:53: sparse: expected void *start
arch/powerpc/platforms/ps3/gelic_udbg.c:127:53: sparse: got struct debug_block [noderef] __iomem *
>> arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got struct debug_block [noderef] __iomem * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: expected void const *
arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: got struct debug_block [noderef] __iomem *
>> arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got struct debug_block [noderef] __iomem * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: expected void const *
arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: got struct debug_block [noderef] __iomem *
>> arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got struct debug_block [noderef] __iomem * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: expected void *
arch/powerpc/platforms/ps3/gelic_udbg.c:130:9: sparse: got struct debug_block [noderef] __iomem *
arch/powerpc/platforms/ps3/gelic_udbg.c:132:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 static [addressable] [noderef] [toplevel] [usertype] __iomem buf_addr @@ got unsigned long long @@
arch/powerpc/platforms/ps3/gelic_udbg.c:132:28: sparse: expected restricted __be32 static [addressable] [noderef] [toplevel] [usertype] __iomem buf_addr
arch/powerpc/platforms/ps3/gelic_udbg.c:132:28: sparse: got unsigned long long
arch/powerpc/platforms/ps3/gelic_udbg.c:144:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:144:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct ethhdr [noderef] __iomem *static [toplevel] h_eth @@ got struct ethhdr * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:144:15: sparse: expected struct ethhdr [noderef] __iomem *static [toplevel] h_eth
arch/powerpc/platforms/ps3/gelic_udbg.c:144:15: sparse: got struct ethhdr *
arch/powerpc/platforms/ps3/gelic_udbg.c:146:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned char [usertype] *addr @@ got unsigned char [noderef] __iomem * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:146:28: sparse: expected unsigned char [usertype] *addr
arch/powerpc/platforms/ps3/gelic_udbg.c:146:28: sparse: got unsigned char [noderef] __iomem *
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] __iomem ( * )[6] @@
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: expected void const *
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: got unsigned char [noderef] __iomem ( * )[6]
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const * @@ got unsigned char [noderef] __iomem ( * )[6] @@
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: expected void const *
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: got unsigned char [noderef] __iomem ( * )[6]
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got unsigned char [noderef] __iomem ( * )[6] @@
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: expected void *
arch/powerpc/platforms/ps3/gelic_udbg.c:147:9: sparse: got unsigned char [noderef] __iomem ( * )[6]
arch/powerpc/platforms/ps3/gelic_udbg.c:156:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem h_proto @@ got int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:156:31: sparse: expected restricted __be16 [noderef] [usertype] __iomem h_proto
arch/powerpc/platforms/ps3/gelic_udbg.c:156:31: sparse: got int
arch/powerpc/platforms/ps3/gelic_udbg.c:159:27: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:159:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct vlan_hdr [noderef] __iomem *static [toplevel] h_vlan @@ got struct vlan_hdr * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:159:24: sparse: expected struct vlan_hdr [noderef] __iomem *static [toplevel] h_vlan
arch/powerpc/platforms/ps3/gelic_udbg.c:159:24: sparse: got struct vlan_hdr *
arch/powerpc/platforms/ps3/gelic_udbg.c:160:36: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem h_vlan_TCI @@ got unsigned long long [addressable] [usertype] vlan_id @@
arch/powerpc/platforms/ps3/gelic_udbg.c:160:36: sparse: expected restricted __be16 [noderef] [usertype] __iomem h_vlan_TCI
arch/powerpc/platforms/ps3/gelic_udbg.c:160:36: sparse: got unsigned long long [addressable] [usertype] vlan_id
arch/powerpc/platforms/ps3/gelic_udbg.c:161:51: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem h_vlan_encapsulated_proto @@ got int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:161:51: sparse: expected restricted __be16 [noderef] [usertype] __iomem h_vlan_encapsulated_proto
arch/powerpc/platforms/ps3/gelic_udbg.c:161:51: sparse: got int
arch/powerpc/platforms/ps3/gelic_udbg.c:162:25: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:162:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iphdr [noderef] __iomem *static [toplevel] h_ip @@ got struct iphdr * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:162:22: sparse: expected struct iphdr [noderef] __iomem *static [toplevel] h_ip
arch/powerpc/platforms/ps3/gelic_udbg.c:162:22: sparse: got struct iphdr *
arch/powerpc/platforms/ps3/gelic_udbg.c:164:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem h_proto @@ got int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:164:31: sparse: expected restricted __be16 [noderef] [usertype] __iomem h_proto
arch/powerpc/platforms/ps3/gelic_udbg.c:164:31: sparse: got int
arch/powerpc/platforms/ps3/gelic_udbg.c:165:25: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:165:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct iphdr [noderef] __iomem *static [toplevel] h_ip @@ got struct iphdr * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:165:22: sparse: expected struct iphdr [noderef] __iomem *static [toplevel] h_ip
arch/powerpc/platforms/ps3/gelic_udbg.c:165:22: sparse: got struct iphdr *
arch/powerpc/platforms/ps3/gelic_udbg.c:174:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 [noderef] [usertype] __iomem daddr @@ got unsigned int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:174:21: sparse: expected restricted __be32 [noderef] [usertype] __iomem daddr
arch/powerpc/platforms/ps3/gelic_udbg.c:174:21: sparse: got unsigned int
arch/powerpc/platforms/ps3/gelic_udbg.c:177:18: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:177:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct udphdr [noderef] __iomem *static [toplevel] h_udp @@ got struct udphdr * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:177:15: sparse: expected struct udphdr [noderef] __iomem *static [toplevel] h_udp
arch/powerpc/platforms/ps3/gelic_udbg.c:177:15: sparse: got struct udphdr *
arch/powerpc/platforms/ps3/gelic_udbg.c:178:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem source @@ got int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:178:23: sparse: expected restricted __be16 [noderef] [usertype] __iomem source
arch/powerpc/platforms/ps3/gelic_udbg.c:178:23: sparse: got int
arch/powerpc/platforms/ps3/gelic_udbg.c:179:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem dest @@ got int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:179:21: sparse: expected restricted __be16 [noderef] [usertype] __iomem dest
arch/powerpc/platforms/ps3/gelic_udbg.c:179:21: sparse: got int
arch/powerpc/platforms/ps3/gelic_udbg.c:181:25: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:181:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *static [toplevel] pmsg @@ got char * @@
arch/powerpc/platforms/ps3/gelic_udbg.c:181:22: sparse: expected char [noderef] __iomem *static [toplevel] pmsg
arch/powerpc/platforms/ps3/gelic_udbg.c:181:22: sparse: got char *
arch/powerpc/platforms/ps3/gelic_udbg.c:198:28: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 static [addressable] [noderef] [toplevel] [usertype] __iomem buf_size @@ got int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:198:28: sparse: expected restricted __be32 static [addressable] [noderef] [toplevel] [usertype] __iomem buf_size
arch/powerpc/platforms/ps3/gelic_udbg.c:198:28: sparse: got int
arch/powerpc/platforms/ps3/gelic_udbg.c:199:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem tot_len @@ got unsigned long @@
arch/powerpc/platforms/ps3/gelic_udbg.c:199:23: sparse: expected restricted __be16 [noderef] [usertype] __iomem tot_len
arch/powerpc/platforms/ps3/gelic_udbg.c:199:23: sparse: got unsigned long
arch/powerpc/platforms/ps3/gelic_udbg.c:201:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [noderef] [usertype] __iomem len @@ got unsigned long @@
arch/powerpc/platforms/ps3/gelic_udbg.c:201:20: sparse: expected restricted __be16 [noderef] [usertype] __iomem len
arch/powerpc/platforms/ps3/gelic_udbg.c:201:20: sparse: got unsigned long
arch/powerpc/platforms/ps3/gelic_udbg.c:205:14: sparse: sparse: cast removes address space '__iomem' of expression
arch/powerpc/platforms/ps3/gelic_udbg.c:208:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __sum16 [noderef] [usertype] __iomem check @@ got unsigned int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:208:21: sparse: expected restricted __sum16 [noderef] [usertype] __iomem check
arch/powerpc/platforms/ps3/gelic_udbg.c:208:21: sparse: got unsigned int
arch/powerpc/platforms/ps3/gelic_udbg.c:210:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be32 static [addressable] [noderef] [toplevel] [usertype] __iomem dmac_cmd_status @@ got unsigned int @@
arch/powerpc/platforms/ps3/gelic_udbg.c:210:35: sparse: expected restricted __be32 static [addressable] [noderef] [toplevel] [usertype] __iomem dmac_cmd_status
arch/powerpc/platforms/ps3/gelic_udbg.c:210:35: sparse: got unsigned int
arch/powerpc/platforms/ps3/gelic_udbg.c:219:26: sparse: sparse: restricted __be32 degrades to integer
arch/powerpc/platforms/ps3/gelic_udbg.c:169:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:170:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:171:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:172:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:173:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:203:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:212:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:213:9: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:219:17: sparse: sparse: dereference of noderef expression
arch/powerpc/platforms/ps3/gelic_udbg.c:226:15: sparse: sparse: dereference of noderef expression

vim +130 arch/powerpc/platforms/ps3/gelic_udbg.c

c26afe9e8591f3 Hector Martin 2011-08-31 115
f1ba9b9474a9e3 Nick Child 2021-12-16 116 static void __init gelic_debug_init(void)
c26afe9e8591f3 Hector Martin 2011-08-31 117 {
c26afe9e8591f3 Hector Martin 2011-08-31 118 s64 result;
c26afe9e8591f3 Hector Martin 2011-08-31 119 u64 v2;
c26afe9e8591f3 Hector Martin 2011-08-31 120 u64 mac;
c26afe9e8591f3 Hector Martin 2011-08-31 121 u64 vlan_id;
c26afe9e8591f3 Hector Martin 2011-08-31 122
c26afe9e8591f3 Hector Martin 2011-08-31 123 result = lv1_open_device(GELIC_BUS_ID, GELIC_DEVICE_ID, 0);
c26afe9e8591f3 Hector Martin 2011-08-31 124 if (result)
c26afe9e8591f3 Hector Martin 2011-08-31 125 lv1_panic(0);
c26afe9e8591f3 Hector Martin 2011-08-31 126
c26afe9e8591f3 Hector Martin 2011-08-31 127 map_dma_mem(GELIC_BUS_ID, GELIC_DEVICE_ID, &dbg, sizeof(dbg),
c26afe9e8591f3 Hector Martin 2011-08-31 128 &bus_addr);
c26afe9e8591f3 Hector Martin 2011-08-31 129
c26afe9e8591f3 Hector Martin 2011-08-31 @130 memset(&dbg, 0, sizeof(dbg));
c26afe9e8591f3 Hector Martin 2011-08-31 131
c26afe9e8591f3 Hector Martin 2011-08-31 132 dbg.descr.buf_addr = bus_addr + offsetof(struct debug_block, pkt);
c26afe9e8591f3 Hector Martin 2011-08-31 133
c26afe9e8591f3 Hector Martin 2011-08-31 134 wmb();
c26afe9e8591f3 Hector Martin 2011-08-31 135
c26afe9e8591f3 Hector Martin 2011-08-31 136 result = lv1_net_control(GELIC_BUS_ID, GELIC_DEVICE_ID,
c26afe9e8591f3 Hector Martin 2011-08-31 137 GELIC_LV1_GET_MAC_ADDRESS, 0, 0, 0,
c26afe9e8591f3 Hector Martin 2011-08-31 138 &mac, &v2);
c26afe9e8591f3 Hector Martin 2011-08-31 139 if (result)
c26afe9e8591f3 Hector Martin 2011-08-31 140 lv1_panic(0);
c26afe9e8591f3 Hector Martin 2011-08-31 141
c26afe9e8591f3 Hector Martin 2011-08-31 142 mac <<= 16;
c26afe9e8591f3 Hector Martin 2011-08-31 143
c26afe9e8591f3 Hector Martin 2011-08-31 144 h_eth = (struct ethhdr *)dbg.pkt;
c26afe9e8591f3 Hector Martin 2011-08-31 145
497abcf6afe2d8 Luis Henriques 2016-02-08 146 eth_broadcast_addr(h_eth->h_dest);
497abcf6afe2d8 Luis Henriques 2016-02-08 147 memcpy(&h_eth->h_source, &mac, ETH_ALEN);
c26afe9e8591f3 Hector Martin 2011-08-31 148
c26afe9e8591f3 Hector Martin 2011-08-31 149 header_size = sizeof(struct ethhdr);
c26afe9e8591f3 Hector Martin 2011-08-31 150
c26afe9e8591f3 Hector Martin 2011-08-31 151 result = lv1_net_control(GELIC_BUS_ID, GELIC_DEVICE_ID,
c26afe9e8591f3 Hector Martin 2011-08-31 152 GELIC_LV1_GET_VLAN_ID,
c26afe9e8591f3 Hector Martin 2011-08-31 153 GELIC_LV1_VLAN_TX_ETHERNET_0, 0, 0,
c26afe9e8591f3 Hector Martin 2011-08-31 154 &vlan_id, &v2);
c26afe9e8591f3 Hector Martin 2011-08-31 155 if (!result) {
497abcf6afe2d8 Luis Henriques 2016-02-08 156 h_eth->h_proto= ETH_P_8021Q;
c26afe9e8591f3 Hector Martin 2011-08-31 157
e9aaa6d1abcffc Luis Henriques 2016-02-08 158 header_size += sizeof(struct vlan_hdr);
e9aaa6d1abcffc Luis Henriques 2016-02-08 159 h_vlan = (struct vlan_hdr *)(h_eth + 1);
e9aaa6d1abcffc Luis Henriques 2016-02-08 160 h_vlan->h_vlan_TCI = vlan_id;
e9aaa6d1abcffc Luis Henriques 2016-02-08 161 h_vlan->h_vlan_encapsulated_proto = ETH_P_IP;
c26afe9e8591f3 Hector Martin 2011-08-31 162 h_ip = (struct iphdr *)(h_vlan + 1);
c26afe9e8591f3 Hector Martin 2011-08-31 163 } else {
497abcf6afe2d8 Luis Henriques 2016-02-08 164 h_eth->h_proto= 0x0800;
c26afe9e8591f3 Hector Martin 2011-08-31 165 h_ip = (struct iphdr *)(h_eth + 1);
c26afe9e8591f3 Hector Martin 2011-08-31 166 }
c26afe9e8591f3 Hector Martin 2011-08-31 167
c26afe9e8591f3 Hector Martin 2011-08-31 168 header_size += sizeof(struct iphdr);
0336c8cd4d6123 Luis Henriques 2016-02-08 169 h_ip->version = 4;
0336c8cd4d6123 Luis Henriques 2016-02-08 170 h_ip->ihl = 5;
c26afe9e8591f3 Hector Martin 2011-08-31 171 h_ip->ttl = 10;
0336c8cd4d6123 Luis Henriques 2016-02-08 172 h_ip->protocol = 0x11;
0336c8cd4d6123 Luis Henriques 2016-02-08 173 h_ip->saddr = 0x00000000;
0336c8cd4d6123 Luis Henriques 2016-02-08 174 h_ip->daddr = 0xffffffff;
c26afe9e8591f3 Hector Martin 2011-08-31 175
c26afe9e8591f3 Hector Martin 2011-08-31 176 header_size += sizeof(struct udphdr);
c26afe9e8591f3 Hector Martin 2011-08-31 177 h_udp = (struct udphdr *)(h_ip + 1);
95442c64de7a6d Luis Henriques 2016-02-08 178 h_udp->source = GELIC_DEBUG_PORT;
c26afe9e8591f3 Hector Martin 2011-08-31 179 h_udp->dest = GELIC_DEBUG_PORT;
c26afe9e8591f3 Hector Martin 2011-08-31 180
c26afe9e8591f3 Hector Martin 2011-08-31 181 pmsgc = pmsg = (char *)(h_udp + 1);
c26afe9e8591f3 Hector Martin 2011-08-31 182 }
c26afe9e8591f3 Hector Martin 2011-08-31 183

:::::: The code at line 130 was first introduced by commit
:::::: c26afe9e8591f306d79aab8071f1d34e4f60b700 powerpc/ps3: Add gelic udbg driver

:::::: TO: Hector Martin <hector@xxxxxxxxxxxxxx>
:::::: CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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