drivers/gpu/drm/i915/gt/selftest_execlists.c:167:4: error: format string is not a string literal (potentially insecure)

From: kernel test robot
Date: Sat Jul 03 2021 - 17:41:34 EST

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Hi Chris,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 303392fd5c160822bf778270b28ec5ea50cab2b4
commit: 70a2b431c36483c0c06e589e11c59e438cd0ac06 drm/i915/gt: Rename lrc.c to execlists_submission.c
date: 7 months ago
config: x86_64-buildonly-randconfig-r006-20210704 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project cb5de7c813f976dd458bd2a7f40702ba648bf650)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=70a2b431c36483c0c06e589e11c59e438cd0ac06
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 70a2b431c36483c0c06e589e11c59e438cd0ac06
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from drivers/gpu/drm/i915/gt/intel_execlists_submission.c:6116:
>> drivers/gpu/drm/i915/gt/selftest_execlists.c:167:4: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security]
GEM_TRACE("spinner failed to start\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/selftest_execlists.c:167:4: 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); \
^
In file included from drivers/gpu/drm/i915/gt/intel_execlists_submission.c:6116:
drivers/gpu/drm/i915/gt/selftest_execlists.c:1790:4: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security]
GEM_TRACE("lo spinner failed to start\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/selftest_execlists.c:1790:4: 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); \
^
In file included from drivers/gpu/drm/i915/gt/intel_execlists_submission.c:6116:
drivers/gpu/drm/i915/gt/selftest_execlists.c:1807:4: error: format string is not a string literal (potentially insecure) [-Werror,-Wformat-security]
GEM_TRACE("hi spinner failed to start\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/selftest_execlists.c:1807:4: 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); \
^
3 errors generated.

vim +167 drivers/gpu/drm/i915/gt/selftest_execlists.c

280e285dc78f73 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2020-02-27 134
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 135 static int live_sanitycheck(void *arg)
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 136 {
1357fa8136ea03 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-10-16 137 struct intel_gt *gt = arg;
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 138 struct intel_engine_cs *engine;
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 139 enum intel_engine_id id;
8d2f6e2f272109 drivers/gpu/drm/i915/selftests/intel_lrc.c Tvrtko Ursulin 2018-11-30 140 struct igt_spinner spin;
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 141 int err = 0;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 142
1357fa8136ea03 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-10-16 143 if (!HAS_LOGICAL_RING_CONTEXTS(gt->i915))
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 144 return 0;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 145
1357fa8136ea03 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-10-16 146 if (igt_spinner_init(&spin, gt))
2af402982ab382 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-10-04 147 return -ENOMEM;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 148
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 149 for_each_engine(engine, gt, id) {
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 150 struct intel_context *ce;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 151 struct i915_request *rq;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 152
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 153 ce = intel_context_create(engine);
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 154 if (IS_ERR(ce)) {
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 155 err = PTR_ERR(ce);
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 156 break;
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 157 }
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 158
f277bc0c98a407 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-07-31 159 rq = igt_spinner_create_request(&spin, ce, MI_NOOP);
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 160 if (IS_ERR(rq)) {
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 161 err = PTR_ERR(rq);
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 162 goto out_ctx;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 163 }
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 164
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 165 i915_request_add(rq);
8d2f6e2f272109 drivers/gpu/drm/i915/selftests/intel_lrc.c Tvrtko Ursulin 2018-11-30 166 if (!igt_wait_for_spinner(&spin, rq)) {
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 @167 GEM_TRACE("spinner failed to start\n");
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 168 GEM_TRACE_DUMP();
1357fa8136ea03 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-10-16 169 intel_gt_set_wedged(gt);
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 170 err = -EIO;
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 171 goto out_ctx;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 172 }
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 173
8d2f6e2f272109 drivers/gpu/drm/i915/selftests/intel_lrc.c Tvrtko Ursulin 2018-11-30 174 igt_spinner_end(&spin);
1357fa8136ea03 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-10-16 175 if (igt_flush_test(gt->i915)) {
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 176 err = -EIO;
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 177 goto out_ctx;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 178 }
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 179
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 180 out_ctx:
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 181 intel_context_put(ce);
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 182 if (err)
e6ba76480299a0 drivers/gpu/drm/i915/gt/selftest_lrc.c Chris Wilson 2019-12-21 183 break;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 184 }
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 185
8d2f6e2f272109 drivers/gpu/drm/i915/selftests/intel_lrc.c Tvrtko Ursulin 2018-11-30 186 igt_spinner_fini(&spin);
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 187 return err;
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 188 }
2c66555ec19235 drivers/gpu/drm/i915/selftests/intel_lrc.c Chris Wilson 2018-04-04 189

:::::: The code at line 167 was first introduced by commit
:::::: 2c66555ec19235efd689741c44bbeb893aa8e7de drm/i915/selftests: Add basic sanitychecks for execlists

:::::: TO: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
:::::: CC: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip

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