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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-10-20 00:51:34 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-10-25 17:35:07 +0200 |
| commit | 45b5933f7afb055080e915c83663f3a4709a02db (patch) | |
| tree | 462af7d0c6a48aaac4c31d03be2274da8c44cbff /tests | |
| parent | a95260486aa7e78d7c7194eba65cf03311ad94ad (diff) | |
| download | qemu-45b5933f7afb055080e915c83663f3a4709a02db.zip qemu-45b5933f7afb055080e915c83663f3a4709a02db.tar.gz qemu-45b5933f7afb055080e915c83663f3a4709a02db.tar.bz2 | |
tests/tcg: fix out-of-bounds access in test-avx
This can cause differences between native and QEMU execution, due
to ASLR.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/i386/test-avx.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/tests/tcg/i386/test-avx.c b/tests/tcg/i386/test-avx.c index c39c0e5..910b067 100644 --- a/tests/tcg/i386/test-avx.c +++ b/tests/tcg/i386/test-avx.c @@ -236,12 +236,15 @@ v4di val_i64[] = { v4di deadbeef = {0xa5a5a5a5deadbeefull, 0xa5a5a5a5deadbeefull, 0xa5a5a5a5deadbeefull, 0xa5a5a5a5deadbeefull}; -v4di indexq = {0x000000000000001full, 0x000000000000008full, - 0xffffffffffffffffull, 0xffffffffffffff5full}; -v4di indexd = {0x00000002000000efull, 0xfffffff500000010ull, - 0x0000000afffffff0ull, 0x000000000000000eull}; +/* &gather_mem[0x10] is 512 bytes from the base; indices must be >=-64, <64 + * to account for scaling by 8 */ +v4di indexq = {0x000000000000001full, 0x000000000000003dull, + 0xffffffffffffffffull, 0xffffffffffffffdfull}; +v4di indexd = {0x00000002ffffffcdull, 0xfffffff500000010ull, + 0x0000003afffffff0ull, 0x000000000000000eull}; v4di gather_mem[0x20]; +_Static_assert(sizeof(gather_mem) == 1024); void init_f16reg(v4di *r) { |