From ecc7f2ed910345c4dd0d02ac9c72d69f10ac5572 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Thu, 19 Mar 2015 12:14:08 +0100 Subject: [PATCH] gallium/radeon: don't crash when getting out-of-bounds TEMP references Reviewed-by: Tom Stellard --- src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c index 18afbcb0a2e..20e506b7c5e 100644 --- a/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c +++ b/src/gallium/drivers/radeon/radeon_setup_tgsi_llvm.c @@ -191,6 +191,8 @@ emit_fetch( break; case TGSI_FILE_TEMPORARY: + if (reg->Register.Index >= ctx->temps_count) + return LLVMGetUndef(tgsi2llvmtype(bld_base, type)); if (uses_temp_indirect_addressing(bld_base)) { ptr = lp_get_temp_ptr_soa(bld, reg->Register.Index, swizzle); break; @@ -395,6 +397,8 @@ emit_store( break; case TGSI_FILE_TEMPORARY: + if (range.First + i >= ctx->temps_count) + continue; if (uses_temp_indirect_addressing(bld_base)) temp_ptr = lp_get_temp_ptr_soa(bld, i + range.First, chan_index); else @@ -416,6 +420,8 @@ emit_store( break; case TGSI_FILE_TEMPORARY: + if (reg->Register.Index >= ctx->temps_count) + continue; if (uses_temp_indirect_addressing(bld_base)) { temp_ptr = NULL; break; -- 2.30.2