From: kernel test robot <lkp@intel.com>
To: Deepak Gupta <debug@rivosinc.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Christian Brauner <brauner@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Oleg Nesterov <oleg@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
Kees Cook <kees@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Jann Horn <jannh@google.com>, Miguel Ojeda <ojeda@kernel.org>,
Alex Gaynor <alex.gaynor@gmail.com>,
Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [PATCH v16 14/27] riscv: Implements arch agnostic indirect branch tracking prctls
Date: Sat, 24 May 2025 07:06:32 +0800 [thread overview]
Message-ID: <202505240659.OGVR0xHg-lkp@intel.com> (raw)
In-Reply-To: <20250522-v5_user_cfi_series-v16-14-64f61a35eee7@rivosinc.com>
Hi Deepak,
kernel test robot noticed the following build errors:
[auto build test ERROR on 4181f8ad7a1061efed0219951d608d4988302af7]
url: https://github.com/intel-lab-lkp/linux/commits/Deepak-Gupta/mm-VM_SHADOW_STACK-definition-for-riscv/20250523-133343
base: 4181f8ad7a1061efed0219951d608d4988302af7
patch link: https://lore.kernel.org/r/20250522-v5_user_cfi_series-v16-14-64f61a35eee7%40rivosinc.com
patch subject: [PATCH v16 14/27] riscv: Implements arch agnostic indirect branch tracking prctls
config: riscv-randconfig-001-20250524 (https://download.01.org/0day-ci/archive/20250524/202505240659.OGVR0xHg-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505240659.OGVR0xHg-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/202505240659.OGVR0xHg-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/riscv/kernel/entry.S:172:9: error: immediate must be an integer in the range [-2147483648, 4294967295]
li t0, 0x00040000 | (0x00006000 | 0x00000600) | 0x020000000000
^
vim +172 arch/riscv/kernel/entry.S
155
156 .Lsave_context:
157 REG_S sp, TASK_TI_USER_SP(tp)
158 REG_L sp, TASK_TI_KERNEL_SP(tp)
159 addi sp, sp, -(PT_SIZE_ON_STACK)
160 REG_S x1, PT_RA(sp)
161 REG_S x3, PT_GP(sp)
162 REG_S x5, PT_T0(sp)
163 save_from_x6_to_x31
164
165 /*
166 * Disable user-mode memory access as it should only be set in the
167 * actual user copy routines.
168 *
169 * Disable the FPU/Vector to detect illegal usage of floating point
170 * or vector in kernel space.
171 */
> 172 li t0, SR_SUM | SR_FS_VS | SR_ELP
173
174 REG_L s0, TASK_TI_USER_SP(tp)
175 csrrc s1, CSR_STATUS, t0
176 save_userssp s2, s1
177 csrr s2, CSR_EPC
178 csrr s3, CSR_TVAL
179 csrr s4, CSR_CAUSE
180 csrr s5, CSR_SCRATCH
181 REG_S s0, PT_SP(sp)
182 REG_S s1, PT_STATUS(sp)
183 REG_S s2, PT_EPC(sp)
184 REG_S s3, PT_BADADDR(sp)
185 REG_S s4, PT_CAUSE(sp)
186 REG_S s5, PT_TP(sp)
187
188 /*
189 * Set the scratch register to 0, so that if a recursive exception
190 * occurs, the exception vector knows it came from the kernel
191 */
192 csrw CSR_SCRATCH, x0
193
194 /* Load the global pointer */
195 load_global_pointer
196
197 /* Load the kernel shadow call stack pointer if coming from userspace */
198 scs_load_current_if_task_changed s5
199
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-05-23 23:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-23 5:31 [PATCH v16 00/27] riscv control-flow integrity for usermode Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 01/27] mm: VM_SHADOW_STACK definition for riscv Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 02/27] dt-bindings: riscv: zicfilp and zicfiss in dt-bindings (extensions.yaml) Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 03/27] riscv: zicfiss / zicfilp enumeration Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 04/27] riscv: zicfiss / zicfilp extension csr and bit definitions Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 05/27] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 06/27] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 07/27] riscv mm: manufacture shadow stack pte Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 08/27] riscv mmu: teach pte_mkwrite to manufacture shadow stack PTEs Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 09/27] riscv mmu: write protect and shadow stack Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 10/27] riscv/mm: Implement map_shadow_stack() syscall Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 11/27] riscv/shstk: If needed allocate a new shadow stack on clone Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 12/27] riscv: Implements arch agnostic shadow stack prctls Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 13/27] prctl: arch-agnostic prctl for indirect branch tracking Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 14/27] riscv: Implements arch agnostic indirect branch tracking prctls Deepak Gupta
2025-05-23 23:06 ` kernel test robot [this message]
2025-05-23 5:31 ` [PATCH v16 15/27] riscv/traps: Introduce software check exception Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 16/27] riscv: signal: abstract header saving for setup_sigcontext Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 17/27] riscv/signal: save and restore of shadow stack for signal Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 18/27] riscv/kernel: update __show_regs to print shadow stack register Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 19/27] riscv/ptrace: riscv cfi status and state via ptrace and in core files Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 20/27] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 21/27] riscv: kernel command line option to opt out of user cfi Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 22/27] riscv: enable kernel access to shadow stack memory via FWFT sbi call Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 23/27] arch/riscv: compile vdso with landing pad Deepak Gupta
2025-05-23 6:01 ` Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 24/27] riscv: create a config for shadow stack and landing pad instr support Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 25/27] riscv: Documentation for landing pad / indirect branch tracking Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 26/27] riscv: Documentation for shadow stack on riscv Deepak Gupta
2025-05-23 5:31 ` [PATCH v16 27/27] kselftest/riscv: kselftest for user mode cfi Deepak Gupta
2025-05-23 8:22 ` Charlie Jenkins
2025-05-23 8:34 ` Charlie Jenkins
2025-05-23 17:42 ` Charlie Jenkins
2025-05-23 5:42 ` [PATCH v16 00/27] riscv control-flow integrity for usermode Deepak Gupta
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