From: kernel test robot <lkp@intel.com>
To: Kent Overstreet <kent.overstreet@linux.dev>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [bcachefs:bcachefs-testing 23/42] arch/loongarch/kernel/switch.S:28:18: error: operand must be a symbol with modifier (e.g. %pc_lo12) or an integer in the range
Date: Tue, 07 Apr 2026 11:57:56 +0800 [thread overview]
Message-ID: <202604050903.azdEMqcN-lkp@intel.com> (raw)
tree: https://evilpiepirate.org/git/bcachefs.git bcachefs-testing
head: a33008fc8f2cf78de0ed73dc9b1dc6a46d278287
commit: 4f3f9133e70fced7e1ed07a143160017a3c88e12 [23/42] bcachefs: fix use-after-free in ec_block_endio()
config: loongarch-randconfig-001-20260405 (https://download.01.org/0day-ci/archive/20260405/202604050903.azdEMqcN-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c80443cd37b2e2788cba67ffa180a6331e5f0791)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260405/202604050903.azdEMqcN-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604050903.azdEMqcN-lkp@intel.com/
Note: the bcachefs/bcachefs-testing HEAD a33008fc8f2cf78de0ed73dc9b1dc6a46d278287 builds fine.
It only hurts bisectability.
All errors (new ones prefixed by >>):
>> arch/loongarch/kernel/switch.S:28:18: error: operand must be a symbol with modifier (e.g. %pc_lo12) or an integer in the range [-2048, 2047]
ld.d $r20, $r5, 5640
^
vim +28 arch/loongarch/kernel/switch.S
803b0fc5c3f2ba Huacai Chen 2022-05-31 12
803b0fc5c3f2ba Huacai Chen 2022-05-31 13 /*
803b0fc5c3f2ba Huacai Chen 2022-05-31 14 * task_struct *__switch_to(task_struct *prev, task_struct *next,
613d4164f5a503 Huacai Chen 2025-01-25 15 * struct thread_info *next_ti, void *sched_ra, void *sched_cfa)
803b0fc5c3f2ba Huacai Chen 2022-05-31 16 */
803b0fc5c3f2ba Huacai Chen 2022-05-31 17 .align 5
803b0fc5c3f2ba Huacai Chen 2022-05-31 18 SYM_FUNC_START(__switch_to)
803b0fc5c3f2ba Huacai Chen 2022-05-31 19 csrrd t1, LOONGARCH_CSR_PRMD
803b0fc5c3f2ba Huacai Chen 2022-05-31 20 stptr.d t1, a0, THREAD_CSRPRMD
803b0fc5c3f2ba Huacai Chen 2022-05-31 21
803b0fc5c3f2ba Huacai Chen 2022-05-31 22 cpu_save_nonscratch a0
803b0fc5c3f2ba Huacai Chen 2022-05-31 23 stptr.d ra, a0, THREAD_REG01
93a4fa622eb061 Qing Zhang 2022-08-06 24 stptr.d a3, a0, THREAD_SCHED_RA
93a4fa622eb061 Qing Zhang 2022-08-06 25 stptr.d a4, a0, THREAD_SCHED_CFA
09f33601bf940f Huacai Chen 2022-12-10 26 #if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_SMP)
09f33601bf940f Huacai Chen 2022-12-10 27 la t7, __stack_chk_guard
09f33601bf940f Huacai Chen 2022-12-10 @28 LONG_L t8, a1, TASK_STACK_CANARY
:::::: The code at line 28 was first introduced by commit
:::::: 09f33601bf940f955c10a6e75a1c1b7bcadee5e2 LoongArch: Add basic STACKPROTECTOR support
:::::: TO: Huacai Chen <chenhuacai@loongson.cn>
:::::: CC: Huacai Chen <chenhuacai@loongson.cn>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-04-07 3:58 UTC|newest]
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