Replace all instances of intptr_t with uintptr_t.
When compiling 32 bit binaries against a 64 bit binder interface, implicit promotions of intptr_t types to uint64_t for fields in the binder ioctl structures can result in invalid pointers because of sign extension.
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@ -58,7 +58,7 @@ class BinderDriverInterfaceTestEnv : public ::testing::Environment {
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BC_ENTER_LOOPER,
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};
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struct binder_write_read bwr = binder_write_read();
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bwr.write_buffer = (intptr_t)bc;
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bwr.write_buffer = (uintptr_t)bc;
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bwr.write_size = sizeof(bc);
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ret = ioctl(m_binderFd, BINDER_WRITE_READ, &bwr);
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EXPECT_EQ(0, ret);
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@ -111,7 +111,7 @@ class BinderDriverInterfaceTest : public ::testing::Test {
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uint32_t br[32];
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struct binder_write_read bwr = binder_write_read();
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SCOPED_TRACE("TestReadEmpty");
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bwr.read_buffer = (intptr_t)br;
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bwr.read_buffer = (uintptr_t)br;
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bwr.read_size = sizeof(br);
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binderTestIoctlErr1(BINDER_WRITE_READ, &bwr, EAGAIN);
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EXPECT_EQ(0u, bwr.read_consumed);
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@ -206,7 +206,7 @@ TEST_F(BinderDriverInterfaceTest, IncRefsAcquireReleaseDecRefs) {
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0,
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};
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struct binder_write_read bwr = binder_write_read();
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bwr.write_buffer = (intptr_t)bc;
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bwr.write_buffer = (uintptr_t)bc;
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bwr.write_size = sizeof(bc);
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binderTestIoctl(BINDER_WRITE_READ, &bwr);
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EXPECT_EQ(sizeof(bc), bwr.write_consumed);
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@ -241,9 +241,9 @@ TEST_F(BinderDriverInterfaceTest, Transaction) {
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} __attribute__((packed)) br;
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struct binder_write_read bwr = binder_write_read();
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bwr.write_buffer = (intptr_t)&bc1;
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bwr.write_buffer = (uintptr_t)&bc1;
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bwr.write_size = sizeof(bc1);
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bwr.read_buffer = (intptr_t)&br;
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bwr.read_buffer = (uintptr_t)&br;
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bwr.read_size = sizeof(br);
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{
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@ -283,7 +283,7 @@ TEST_F(BinderDriverInterfaceTest, Transaction) {
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.arg1 = br.arg2.data.ptr.buffer,
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};
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bwr.write_buffer = (intptr_t)&bc2;
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bwr.write_buffer = (uintptr_t)&bc2;
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bwr.write_size = sizeof(bc2);
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bwr.write_consumed = 0;
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bwr.read_size = 0;
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@ -329,9 +329,9 @@ TEST_F(BinderDriverInterfaceTest, RequestDeathNotification) {
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} __attribute__((packed)) br;
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struct binder_write_read bwr = binder_write_read();
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bwr.write_buffer = (intptr_t)&bc;
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bwr.write_buffer = (uintptr_t)&bc;
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bwr.write_size = sizeof(bc);
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bwr.read_buffer = (intptr_t)&br;
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bwr.read_buffer = (uintptr_t)&br;
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bwr.read_size = sizeof(br);
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binderTestIoctl(BINDER_WRITE_READ, &bwr);
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