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No suffix to integer literals cause overflow (#251)

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a left shift operator applys on a literal number 1 cause overflow
so unsigned long long type suffix should be appended to that literal
that makes it has same type as xfrm and xfrm for safety
This commit is contained in:
Wang, Gang
2018-10-17 07:57:34 -04:00
committed by Don Porter
parent 6a1faf7874
commit 76f1ff4b24
1 changed files with 1 additions and 1 deletions
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Pal/src/host/Linux-SGX/sgx_framework.c
+1 -1
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@@ -90,7 +90,7 @@ static size_t get_ssaframesize (uint64_t xfrm)
xfrm_ex = ((uint64_t) cpuinfo[3] << 32) + cpuinfo[2];
for (int i = 2; i < 64; i++)
if ((xfrm & (1 << i)) || (xfrm_ex & (1 << i))) {
if ((xfrm & (1ULL << i)) || (xfrm_ex & (1ULL << i))) {
cpuid(0xd, i, cpuinfo);
if (cpuinfo[0] + cpuinfo[1] > xsave_size)
xsave_size = cpuinfo[0] + cpuinfo[1];