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+0000 Date: Wed, 1 Mar 2023 20:46:42 +0800 From: kernel test robot To: Ammar Faizi , GNU/Weeb Mailing List Cc: oe-kbuild-all@lists.linux.dev Subject: [ammarfaizi2-block:google/android/kernel/common/android-4.19-stable 1/2] kernel/sched/core.c:5212: Error: unrecognized opcode `csrs sstatus,a5' Message-ID: <202303012028.wti3UArY-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable head: f47c1c07f90d2065c93bd942a2f3895cfd3ec0e5 commit: 22cfbf1a8e2848fde162c2b8ac9c4bb878e6be18 [1/2] BACKPORT: sched_setattr: switch to copy_struct_from_user() config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20230301/202303012028.wti3UArY-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 12.1.0 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://github.com/ammarfaizi2/linux-block/commit/22cfbf1a8e2848fde162c2b8ac9c4bb878e6be18 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable git checkout 22cfbf1a8e2848fde162c2b8ac9c4bb878e6be18 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash kernel/sched/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202303012028.wti3UArY-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/core.c: In function 'ttwu_stat': kernel/sched/core.c:2283:20: warning: variable 'rq' set but not used [-Wunused-but-set-variable] 2283 | struct rq *rq; | ^~ kernel/sched/core.c: At top level: kernel/sched/core.c:4424:35: warning: no previous prototype for 'preempt_schedule_irq' [-Wmissing-prototypes] 4424 | asmlinkage __visible void __sched preempt_schedule_irq(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/sched/core.c: In function 'sched_init': kernel/sched/core.c:6659:39: warning: variable 'ptr' set but not used [-Wunused-but-set-variable] 6659 | unsigned long alloc_size = 0, ptr; | ^~~ kernel/sched/core.c: Assembler messages: >> kernel/sched/core.c:5212: Error: unrecognized opcode `csrs sstatus,a5' >> kernel/sched/core.c:5212: Error: unrecognized opcode `csrc sstatus,a5' kernel/sched/core.c:5242: Error: unrecognized opcode `csrs sstatus,a3' kernel/sched/core.c:5242: Error: unrecognized opcode `csrc sstatus,a3' arch/riscv/include/asm/irqflags.h:24: Error: unrecognized opcode `csrr a5,sstatus' arch/riscv/include/asm/irqflags.h:30: Error: unrecognized opcode `csrs sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s8,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s8,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s8' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc a5,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,a5' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc a5,sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc a5,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,a5' arch/riscv/include/asm/irqflags.h:36: Error: unrecognized opcode `csrc sstatus,2' arch/riscv/include/asm/mmu_context.h:91: Error: unrecognized opcode `csrw sptbr,a5' arch/riscv/include/asm/irqflags.h:30: Error: unrecognized opcode `csrs sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s2,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s2,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s2,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s2' kernel/sched/core.c:3471: Error: unrecognized opcode `csrs sstatus,a4' kernel/sched/core.c:3471: Error: unrecognized opcode `csrc sstatus,a4' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s1,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s1' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s1' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s1,sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc a5,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,a5' arch/riscv/include/asm/irqflags.h:24: Error: unrecognized opcode `csrr a5,sstatus' arch/riscv/include/asm/irqflags.h:30: Error: unrecognized opcode `csrs sstatus,2' arch/riscv/include/asm/irqflags.h:36: Error: unrecognized opcode `csrc sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s3,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s3' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s3' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s3,sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc a3,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,a4' arch/riscv/include/asm/irqflags.h:36: Error: unrecognized opcode `csrc sstatus,2' arch/riscv/include/asm/irqflags.h:30: Error: unrecognized opcode `csrs sstatus,2' arch/riscv/include/asm/irqflags.h:36: Error: unrecognized opcode `csrc sstatus,2' arch/riscv/include/asm/irqflags.h:30: Error: unrecognized opcode `csrs sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc a5,sstatus,2' arch/riscv/include/asm/irqflags.h:24: Error: unrecognized opcode `csrr a4,sstatus' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s1' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s1' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,a5' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s1,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s1' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s1' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s1,sstatus,2' arch/riscv/include/asm/irqflags.h:42: Error: unrecognized opcode `csrrc s2,sstatus,2' arch/riscv/include/asm/irqflags.h:60: Error: unrecognized opcode `csrs sstatus,s2' vim +5212 kernel/sched/core.c ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5200 d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5201 /* d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5202 * Mimics kernel/events/core.c perf_copy_attr(). d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5203 */ d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 5204 static int sched_copy_attr(struct sched_attr __user *uattr, struct sched_attr *attr) d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5205 { d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5206 u32 size; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5207 int ret; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5208 d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 5209 /* Zero the full structure, so that a short copy will be nice: */ d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5210 memset(attr, 0, sizeof(*attr)); d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5211 d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 @5212 ret = get_user(size, &uattr->size); d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5213 if (ret) d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5214 return ret; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5215 d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 5216 /* ABI compatibility quirk: */ d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 5217 if (!size) d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5218 size = SCHED_ATTR_SIZE_VER0; 22cfbf1a8e2848 kernel/sched/core.c Aleksa Sarai 2019-10-01 5219 if (size < SCHED_ATTR_SIZE_VER0 || size > PAGE_SIZE) d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5220 goto err_size; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5221 22cfbf1a8e2848 kernel/sched/core.c Aleksa Sarai 2019-10-01 5222 ret = copy_struct_from_user(attr, sizeof(*attr), uattr, size); 22cfbf1a8e2848 kernel/sched/core.c Aleksa Sarai 2019-10-01 5223 if (ret) { 22cfbf1a8e2848 kernel/sched/core.c Aleksa Sarai 2019-10-01 5224 if (ret == -E2BIG) d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5225 goto err_size; 22cfbf1a8e2848 kernel/sched/core.c Aleksa Sarai 2019-10-01 5226 return ret; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5227 } d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5228 e6056b2a5b47a7 kernel/sched/core.c Patrick Bellasi 2019-06-21 5229 if ((attr->sched_flags & SCHED_FLAG_UTIL_CLAMP) && e6056b2a5b47a7 kernel/sched/core.c Patrick Bellasi 2019-06-21 5230 size < SCHED_ATTR_SIZE_VER1) e6056b2a5b47a7 kernel/sched/core.c Patrick Bellasi 2019-06-21 5231 return -EINVAL; e6056b2a5b47a7 kernel/sched/core.c Patrick Bellasi 2019-06-21 5232 d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5233 /* d1ccc66df8bfe3 kernel/sched/core.c Ingo Molnar 2017-02-01 5234 * XXX: Do we want to be lenient like existing syscalls; or do we want d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5235 * to be strict and return an error on out-of-bounds values? d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5236 */ 75e45d512f257b kernel/sched/core.c Dongsheng Yang 2014-02-11 5237 attr->sched_nice = clamp(attr->sched_nice, MIN_NICE, MAX_NICE); d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5238 e78c7bca56dab5 kernel/sched/core.c Michael Kerrisk 2014-05-09 5239 return 0; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5240 d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5241 err_size: d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5242 put_user(sizeof(*attr), &uattr->size); e78c7bca56dab5 kernel/sched/core.c Michael Kerrisk 2014-05-09 5243 return -E2BIG; d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5244 } d50dde5a10f305 kernel/sched/core.c Dario Faggioli 2013-11-07 5245 :::::: The code at line 5212 was first introduced by commit :::::: d50dde5a10f305253cbc3855307f608f8a3c5f73 sched: Add new scheduler syscalls to support an extended scheduling parameters ABI :::::: TO: Dario Faggioli :::::: CC: Ingo Molnar -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests