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Date: Thu, 21 Jul 2022 11:15:10 +0800 From: kernel test robot <lkp@...el.com> To: Tvrtko Ursulin <tvrtko.ursulin@...el.com> Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Daniel Vetter <daniel.vetter@...ll.ch> Subject: [linux-stable-rc:linux-5.10.y 3585/7104] drivers/gpu/drm/i915/gt/intel_gt.c:732:2: error: format string is not a string literal (potentially insecure) tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y head: 024476cf51e88407e84736ff298652322459beb5 commit: 6a6acf927895c38bdd9f3cd76b8dbfc25ac03e88 [3585/7104] drm/i915: Flush TLBs before releasing backing store config: i386-randconfig-a002-20220718 (https://download.01.org/0day-ci/archive/20220721/202207211126.LnCtB2kQ-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project dd5635541cd7bbd62cd59b6694dfb759b6e9a0d8) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=6a6acf927895c38bdd9f3cd76b8dbfc25ac03e88 git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.10.y git checkout 6a6acf927895c38bdd9f3cd76b8dbfc25ac03e88 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@...el.com> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/gt/intel_gt.c:732:2: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security] GEM_TRACE("\n"); ^~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_gem.h:69:24: note: expanded from macro 'GEM_TRACE' #define GEM_TRACE(...) trace_printk(__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:724:3: note: expanded from macro 'trace_printk' do_trace_printk(fmt, ##__VA_ARGS__); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kernel.h:738:30: note: expanded from macro 'do_trace_printk' __trace_bprintk(_THIS_IP_, trace_printk_fmt, ##args); \ ^~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/gt/intel_gt.c:732:2: note: treat the string as an argument to avoid this drivers/gpu/drm/i915/i915_gem.h:69:24: note: expanded from macro 'GEM_TRACE' #define GEM_TRACE(...) trace_printk(__VA_ARGS__) ^ include/linux/kernel.h:724:3: note: expanded from macro 'trace_printk' do_trace_printk(fmt, ##__VA_ARGS__); \ ^ include/linux/kernel.h:738:30: note: expanded from macro 'do_trace_printk' __trace_bprintk(_THIS_IP_, trace_printk_fmt, ##args); \ ^ 1 error generated. vim +732 drivers/gpu/drm/i915/gt/intel_gt.c 693 694 void intel_gt_invalidate_tlbs(struct intel_gt *gt) 695 { 696 static const i915_reg_t gen8_regs[] = { 697 [RENDER_CLASS] = GEN8_RTCR, 698 [VIDEO_DECODE_CLASS] = GEN8_M1TCR, /* , GEN8_M2TCR */ 699 [VIDEO_ENHANCEMENT_CLASS] = GEN8_VTCR, 700 [COPY_ENGINE_CLASS] = GEN8_BTCR, 701 }; 702 static const i915_reg_t gen12_regs[] = { 703 [RENDER_CLASS] = GEN12_GFX_TLB_INV_CR, 704 [VIDEO_DECODE_CLASS] = GEN12_VD_TLB_INV_CR, 705 [VIDEO_ENHANCEMENT_CLASS] = GEN12_VE_TLB_INV_CR, 706 [COPY_ENGINE_CLASS] = GEN12_BLT_TLB_INV_CR, 707 }; 708 struct drm_i915_private *i915 = gt->i915; 709 struct intel_uncore *uncore = gt->uncore; 710 struct intel_engine_cs *engine; 711 enum intel_engine_id id; 712 const i915_reg_t *regs; 713 unsigned int num = 0; 714 715 if (I915_SELFTEST_ONLY(gt->awake == -ENODEV)) 716 return; 717 718 if (INTEL_GEN(i915) == 12) { 719 regs = gen12_regs; 720 num = ARRAY_SIZE(gen12_regs); 721 } else if (INTEL_GEN(i915) >= 8 && INTEL_GEN(i915) <= 11) { 722 regs = gen8_regs; 723 num = ARRAY_SIZE(gen8_regs); 724 } else if (INTEL_GEN(i915) < 8) { 725 return; 726 } 727 728 if (drm_WARN_ONCE(&i915->drm, !num, 729 "Platform does not implement TLB invalidation!")) 730 return; 731 > 732 GEM_TRACE("\n"); -- 0-DAY CI Kernel Test Service https://01.org/lkp
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