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[openeuler:openEuler-1.0-LTS 1932/1932] drivers/char/svm.c:320:14: sparse: sparse: incorrect type in assignment (different address spaces)
by kernel test robot 06 Nov '25

06 Nov '25

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 27e321784c005c852ca4b3a2d146547deac0698f commit: 9469d1759c2905dcef49df7e6240ad5c32b66296 [1932/1932] ascend: share_pool: enable svm to use share pool memory config: arm64-randconfig-r132-20251106 (https://download.01.org/0day-ci/archive/20251106/202511060514.zlUwipLt-lkp@…) compiler: aarch64-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251106/202511060514.zlUwipLt-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511060514.zlUwipLt-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/char/svm.c:240:24: sparse: sparse: symbol 'va2pa_trunk' was not declared. Should it be static? drivers/char/svm.c:249:20: sparse: sparse: symbol 'svm_find_mem_reg_node' was not declared. Should it be static? >> drivers/char/svm.c:320:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct svm_va2pa_slot *slot @@ got void [noderef] <asn:2> * @@ drivers/char/svm.c:320:14: sparse: expected struct svm_va2pa_slot *slot drivers/char/svm.c:320:14: sparse: got void [noderef] <asn:2> * drivers/char/svm.c:338:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got struct svm_va2pa_slot *[addressable] [assigned] [toplevel] slots @@ drivers/char/svm.c:338:28: sparse: expected void volatile [noderef] <asn:2> *addr drivers/char/svm.c:338:28: sparse: got struct svm_va2pa_slot *[addressable] [assigned] [toplevel] slots drivers/char/svm.c:419:6: sparse: sparse: symbol 'sysrq_sched_debug_show_export' was not declared. Should it be static? drivers/char/svm.c:1242:35: sparse: sparse: Using plain integer as NULL pointer drivers/char/svm.c:1502:5: sparse: sparse: symbol '__svm_get_mpam' was not declared. Should it be static? drivers/char/svm.c:249:21: warning: no previous prototype for 'svm_find_mem_reg_node' [-Wmissing-prototypes] 249 | struct device_node *svm_find_mem_reg_node(struct device *dev, const char *compat) | ^~~~~~~~~~~~~~~~~~~~~ drivers/char/svm.c:419:6: warning: no previous prototype for 'sysrq_sched_debug_show_export' [-Wmissing-prototypes] 419 | void sysrq_sched_debug_show_export(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/char/svm.c:1429:5: warning: no previous prototype for 'svm_get_pasid' [-Wmissing-prototypes] 1429 | int svm_get_pasid(pid_t vpid, int dev_id __maybe_unused) | ^~~~~~~~~~~~~ drivers/char/svm.c:1502:5: warning: no previous prototype for '__svm_get_mpam' [-Wmissing-prototypes] 1502 | int __svm_get_mpam(struct svm_mpam *mpam) | ^~~~~~~~~~~~~~ drivers/char/svm.c:2437:36: warning: 'svm_acpi_match' defined but not used [-Wunused-const-variable=] 2437 | static const struct acpi_device_id svm_acpi_match[] = { | ^~~~~~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:34, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/asm-generic/bug.h:18, from arch/arm64/include/asm/bug.h:37, from arch/arm64/include/asm/memory.h:27, from arch/arm64/include/asm/esr.h:21, from drivers/char/svm.c:10: drivers/char/svm.c: In function 'svm_proc_load_flag': arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'atomic_t[1]' [-Warray-bounds] 492 | asm volatile( 42- | ^~~ arch/arm64/include/asm/atomic_lse.h:523:1: note: in expansion of macro '__CMPXCHG_CASE' 523 | __CMPXCHG_CASE(w, , mb_4, al, "memory") | ^~~~~~~~~~~~~~ drivers/char/svm.c:1958:25: note: while referencing 'l2buf_load_flag' 1958 | static atomic_t l2buf_load_flag = ATOMIC_INIT(0); | ^~~~~~~~~~~~~~~ In file included from arch/arm64/include/asm/atomic.h:34, from include/linux/atomic.h:7, from include/asm-generic/bitops/atomic.h:5, from arch/arm64/include/asm/bitops.h:37, from include/linux/bitops.h:19, from include/linux/kernel.h:11, from include/asm-generic/bug.h:18, from arch/arm64/include/asm/bug.h:37, from arch/arm64/include/asm/memory.h:27, from arch/arm64/include/asm/esr.h:21, from drivers/char/svm.c:10: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'atomic_t[1]' [-Warray-bounds] 492 | asm volatile( 62- | ^~~ arch/arm64/include/asm/atomic_lse.h:523:1: note: in expansion of macro '__CMPXCHG_CASE' 523 | __CMPXCHG_CASE(w, , mb_4, al, "memory") | ^~~~~~~~~~~~~~ drivers/char/svm.c:1958:25: note: while referencing 'l2buf_load_flag' 1958 | static atomic_t l2buf_load_flag = ATOMIC_INIT(0); | ^~~~~~~~~~~~~~~ vim +320 drivers/char/svm.c 293 294 static int svm_setup_trunk(struct device *dev, phys_addr_t base, unsigned long size) 295 { 296 int slot_total; 297 unsigned long *bitmap = NULL; 298 struct svm_va2pa_slot *slot = NULL; 299 300 if (!IS_ALIGNED(base, SVM_VA2PA_MEMORY_ALIGN)) { 301 dev_err(dev, "Didn't aligned to %u\n", SVM_VA2PA_MEMORY_ALIGN); 302 return -EINVAL; 303 } 304 305 if ((size == 0) || (size > SVM_VA2PA_TRUNK_SIZE_MAX)) { 306 dev_err(dev, "Size of reserved memory is not right\n"); 307 return -EINVAL; 308 } 309 310 slot_total = size / SVM_VA2PA_SLOT_SIZE; 311 if (slot_total < BITS_PER_LONG) 312 return -EINVAL; 313 314 bitmap = kvcalloc(slot_total / BITS_PER_LONG, sizeof(unsigned long), GFP_KERNEL); 315 if (!bitmap) { 316 dev_err(dev, "alloc memory failed\n"); 317 return -ENOMEM; 318 } 319 > 320 slot = ioremap(base, size); 321 if (!slot) { 322 kvfree(bitmap); 323 dev_err(dev, "Ioremap trunk failed\n"); 324 return -ENXIO; 325 } 326 327 va2pa_trunk.slots = slot; 328 va2pa_trunk.slot_used = 0; 329 va2pa_trunk.slot_total = slot_total; 330 va2pa_trunk.bitmap = bitmap; 331 mutex_init(&va2pa_trunk.mutex); 332 333 return 0; 334 } 335 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3075/3075] drivers/ub/ubus/reset.c:33:5: warning: no previous prototype for function 'ub_elr'
by kernel test robot 06 Nov '25

06 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b2b8512ca97108929f3aca5405875d91577b8c80 commit: 0f0c155e2bb76b55e447e83da0226561c7f397b1 [3075/3075] ub:ubus: Support device level and port level reset config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251106/202511060146.GOM8mybD-lkp@…) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251106/202511060146.GOM8mybD-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511060146.GOM8mybD-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/ub/ubus/reset.c:33:5: warning: no previous prototype for function 'ub_elr' [-Wmissing-prototypes] 33 | int ub_elr(struct ub_entity *dev) | ^ drivers/ub/ubus/reset.c:33:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 33 | int ub_elr(struct ub_entity *dev) | ^ | static >> drivers/ub/ubus/reset.c:231:5: warning: no previous prototype for function 'ub_port_reset_check' [-Wmissing-prototypes] 231 | int ub_port_reset_check(struct ub_entity *dev, int port_id) | ^ drivers/ub/ubus/reset.c:231:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 231 | int ub_port_reset_check(struct ub_entity *dev, int port_id) | ^ | static >> drivers/ub/ubus/reset.c:277:5: warning: no previous prototype for function 'ub_port_reset' [-Wmissing-prototypes] 277 | int ub_port_reset(struct ub_entity *dev, int port_id) | ^ drivers/ub/ubus/reset.c:277:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 277 | int ub_port_reset(struct ub_entity *dev, int port_id) | ^ | static >> drivers/ub/ubus/reset.c:323:5: warning: no previous prototype for function 'ub_port_reset_function' [-Wmissing-prototypes] 323 | int ub_port_reset_function(struct ub_port *port) | ^ drivers/ub/ubus/reset.c:323:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 323 | int ub_port_reset_function(struct ub_port *port) | ^ | static 4 warnings generated. vim +/ub_elr +33 drivers/ub/ubus/reset.c 28 29 /** 30 * ub_elr - Initiate an UB entity level reset 31 * @dev: UB entity to reset 32 */ > 33 int ub_elr(struct ub_entity *dev) 34 { 35 u8 command; 36 u8 val = 0; 37 int ret; 38 39 /* enable ELR */ 40 command = 0x01; 41 ret = ub_cfg_write_byte(dev, UB_ELR, command); 42 if (ret) { 43 ub_err(dev, "dev elr failed, write byte error, ret=%d", ret); 44 return ret; 45 } 46 47 /* 48 * ub entity must complete an ELR within 100ms, 49 * but may silently discard requests while the ELR is in 50 * progress. Wait 100ms before trying to access the device. 51 */ 52 msleep(100); 53 54 ret = ub_cfg_read_byte(dev, UB_ELR_DONE, &val); 55 if (ret || !val) { 56 ub_err(dev, "dev elr failed, ret=%d, ELR_DONE=%u\n", ret, val); 57 return -EINVAL; 58 } 59 60 ub_info(dev, "dev elr success\n"); 61 62 return 0; 63 } 64 65 /** 66 * ub_device_reset - Initiate a UB entity reset 67 * @ent: UB entity. 68 */ 69 int ub_device_reset(struct ub_entity *ent) 70 { 71 u16 command; 72 int ret; 73 74 if (!ent) { 75 pr_err("device which will be reset is NULL\n"); 76 return -EINVAL; 77 } 78 79 if (is_ibus_controller(ent)) { 80 ub_warn(ent, "ub bus controller do not support reset.\n"); 81 return -EINVAL; 82 } 83 84 /* device reset only support Entity0 */ 85 if (ent->entity_idx) { 86 ub_err(ent, "device is not entity0, entity_idx=%u\n", ent->entity_idx); 87 return -EINVAL; 88 } 89 90 device_lock(&ent->dev); 91 92 /* enable device reset */ 93 command = 0x01; 94 ret = ub_send_cfg(ent, (u8)sizeof(u16), UB_ENTITY_RST, (u32 *)&command); 95 if (ret) { 96 ub_err(ent, "device reset failed, ret=%d\n", ret); 97 device_unlock(&ent->dev); 98 return -EIO; 99 } 100 101 device_unlock(&ent->dev); 102 ub_info(ent, "device reset success\n"); 103 104 return 0; 105 } 106 EXPORT_SYMBOL_GPL(ub_device_reset); 107 108 static void ub_save_token_state(struct ub_entity *dev) 109 { 110 int ret; 111 int i; 112 113 for (i = DEV_TOKEN_ID; i <= DEV_TOKEN_ID; i++) { 114 ret = ub_cfg_read_dword(dev, saved_cfg_offset[i], 115 &dev->saved_config_space[i]); 116 if (ret) { 117 ub_err(dev, "ub cfg read dword failed, save cfg offset: %#x.\n", 118 saved_cfg_offset[i]); 119 continue; 120 } 121 ub_info(dev, "saving config space at address %#x (reading %#x)\n", 122 saved_cfg_offset[i], dev->saved_config_space[i]); 123 } 124 } 125 126 static int ub_save_state(struct ub_entity *dev) 127 { 128 const struct ub_error_handlers *err_handler = 129 dev->driver ? dev->driver->err_handler : NULL; 130 131 if (err_handler && err_handler->ub_reset_prepare) 132 err_handler->ub_reset_prepare(dev); 133 134 ub_save_token_state(dev); 135 136 dev->state_saved = true; 137 138 return 0; 139 } 140 141 static void ub_restore_config_dword(struct ub_entity *dev, u32 pos, u32 saved_val) 142 { 143 int retry = 10; 144 u32 val; 145 int ret; 146 147 ret = ub_cfg_read_dword(dev, pos, &val); 148 if (ret || val == saved_val) 149 return; 150 while (retry-- > 0) { 151 ub_info(dev, "restoring config space at address %#x (was %#x, writing %#x)\n", 152 pos, val, saved_val); 153 ub_cfg_write_dword(dev, pos, saved_val); 154 155 if (ub_cfg_read_dword(dev, pos, &val)) 156 continue; 157 158 if (val == saved_val) 159 return; 160 161 #define RESTORE_RETRY_SLEEP_MS 1 162 msleep(RESTORE_RETRY_SLEEP_MS); 163 } 164 } 165 166 static void ub_restore_state(struct ub_entity *dev) 167 { 168 const struct ub_error_handlers *err_handler = 169 dev->driver ? dev->driver->err_handler : NULL; 170 int i; 171 172 if (!dev->state_saved) 173 return; 174 175 for (i = DEV_TOKEN_ID; i <= DEV_TOKEN_ID; i++) { 176 ub_restore_config_dword(dev, saved_cfg_offset[i], 177 dev->saved_config_space[i]); 178 } 179 180 dev->state_saved = false; 181 182 if (err_handler && err_handler->ub_reset_done) 183 err_handler->ub_reset_done(dev); 184 } 185 186 static int ub_reset_check(struct ub_entity *dev) 187 { 188 if (is_ibus_controller(dev)) { 189 ub_err(dev, "UB Bus Controller does not support ELR!\n"); 190 return -EINVAL; 191 } 192 193 if (!dev->reset_fn) 194 return -ENOTTY; 195 196 return 0; 197 } 198 199 int ub_reset_entity(struct ub_entity *dev) 200 { 201 int ret, rc; 202 203 if (!dev) { 204 pr_err("device is NULL\n"); 205 return -EINVAL; 206 } 207 208 rc = ub_reset_check(dev); 209 if (rc) 210 return rc; 211 212 if (!device_trylock(&dev->dev)) 213 return -EBUSY; 214 215 ret = ub_save_state(dev); 216 if (ret) { 217 device_unlock(&dev->dev); 218 return ret; 219 } 220 221 rc = ub_elr(dev); 222 223 ub_restore_state(dev); 224 225 device_unlock(&dev->dev); 226 227 return rc; 228 } 229 EXPORT_SYMBOL_GPL(ub_reset_entity); 230 > 231 int ub_port_reset_check(struct ub_entity *dev, int port_id) 232 { 233 struct ub_port *port = NULL; 234 235 if (!dev) 236 return -EINVAL; 237 238 if (is_idev(dev)) { 239 ub_err(dev, "IDEV does not support port reset!\n"); 240 return -EINVAL; 241 } 242 243 if (port_id >= dev->port_nums) { 244 ub_err(dev, "Can't reset port because port(%d) is over port_nums(%u)!\n", 245 port_id, dev->port_nums); 246 return -EINVAL; 247 } 248 249 port = dev->ports + port_id; 250 251 if (port->type == VIRTUAL) { 252 ub_err(dev, "vport reset is not supported now!\n"); 253 return -EINVAL; 254 } 255 256 return 0; 257 } 258 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3098/3098] arch/x86/mm/pat/set_memory.c:127:22: warning: no previous prototype for 'x86_get_direct_pages_count'
by kernel test robot 06 Nov '25

06 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b2b8512ca97108929f3aca5405875d91577b8c80 commit: ef5847533f910a4b3aca1cd1c855b02d60389ad3 [3098/3098] bpf-rvi: Add bpf_x86_direct_pages kfunc config: x86_64-randconfig-001-20251104 (https://download.01.org/0day-ci/archive/20251105/202511052304.LJ7vOaWB-lkp@…) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251105/202511052304.LJ7vOaWB-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511052304.LJ7vOaWB-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/mm/pat/set_memory.c:127:22: warning: no previous prototype for 'x86_get_direct_pages_count' [-Wmissing-prototypes] 127 | const unsigned long *x86_get_direct_pages_count(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ -- kernel/bpf-rvi/common_kfuncs.c:29:32: warning: no previous prototype for 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 29 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:38:35: warning: no previous prototype for 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 38 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:43:17: warning: no previous prototype for 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 43 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:57:17: warning: no previous prototype for 'bpf_pidns_last_pid' [-Wmissing-prototypes] 57 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:86:18: warning: no previous prototype for 'bpf_si_memswinfo' [-Wmissing-prototypes] 86 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:96:27: warning: no previous prototype for 'bpf_page_counter_read' [-Wmissing-prototypes] 96 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:106:18: warning: no previous prototype for 'bpf_seq_file_append' [-Wmissing-prototypes] 106 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:120:18: warning: no previous prototype for 'bpf_get_boottime_timens' [-Wmissing-prototypes] 120 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:126:27: warning: no previous prototype for 'bpf_get_total_forks' [-Wmissing-prototypes] 126 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:131:26: warning: no previous prototype for 'bpf_nr_running' [-Wmissing-prototypes] 131 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:136:32: warning: no previous prototype for 'bpf_nr_context_switches' [-Wmissing-prototypes] 136 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:141:26: warning: no previous prototype for 'bpf_nr_iowait' [-Wmissing-prototypes] 141 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:147:26: warning: no previous prototype for 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 147 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:152:27: warning: no previous prototype for 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 152 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:157:18: warning: no previous prototype for 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 157 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:166:27: warning: no previous prototype for 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 166 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:171:27: warning: no previous prototype for 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 171 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:176:27: warning: no previous prototype for 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 176 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:182:27: warning: no previous prototype for 'bpf_mem_totalcma' [-Wmissing-prototypes] 182 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:187:27: warning: no previous prototype for 'bpf_mem_freecma' [-Wmissing-prototypes] 187 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:202:17: warning: no previous prototype for 'bpf_hugetlb_report_meminfo' [-Wmissing-prototypes] 202 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:235:27: warning: no previous prototype for 'bpf_mem_failure' [-Wmissing-prototypes] 235 | __bpf_kfunc unsigned long bpf_mem_failure(void) | ^~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:246:27: warning: no previous prototype for 'bpf_mem_percpu' [-Wmissing-prototypes] 246 | __bpf_kfunc unsigned long bpf_mem_percpu(void) | ^~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:251:27: warning: no previous prototype for 'bpf_mem_commit_limit' [-Wmissing-prototypes] 251 | __bpf_kfunc unsigned long bpf_mem_commit_limit(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:255:27: warning: no previous prototype for 'bpf_mem_committed' [-Wmissing-prototypes] 255 | __bpf_kfunc unsigned long bpf_mem_committed(void) | ^~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:260:27: warning: no previous prototype for 'bpf_mem_vmalloc_used' [-Wmissing-prototypes] 260 | __bpf_kfunc unsigned long bpf_mem_vmalloc_used(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:265:27: warning: no previous prototype for 'bpf_mem_vmalloc_total' [-Wmissing-prototypes] 265 | __bpf_kfunc unsigned long bpf_mem_vmalloc_total(void) | ^~~~~~~~~~~~~~~~~~~~~ >> kernel/bpf-rvi/common_kfuncs.c:273:18: warning: no previous prototype for 'bpf_x86_direct_pages' [-Wmissing-prototypes] 273 | __bpf_kfunc void bpf_x86_direct_pages(unsigned long *p) | ^~~~~~~~~~~~~~~~~~~~ vim +/x86_get_direct_pages_count +127 arch/x86/mm/pat/set_memory.c 125 126 #ifdef CONFIG_BPF_RVI > 127 const unsigned long *x86_get_direct_pages_count(void) 128 { 129 return direct_pages_count; 130 } 131 #endif 132 #else 133 static inline void split_page_count(int level) { } 134 #endif 135 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 3098/3098] kernel/bpf-rvi/common_kfuncs.c:260:27: warning: no previous prototype for 'bpf_mem_vmalloc_used'
by kernel test robot 05 Nov '25

05 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b2b8512ca97108929f3aca5405875d91577b8c80 commit: c4e5391b74ba345c143a4af707330ac9b33aac71 [3098/3098] bpf-rvi: Add bpf_mem_vmalloc_{used,total} kfunc config: x86_64-randconfig-001-20251104 (https://download.01.org/0day-ci/archive/20251105/202511052209.ExfiyFp7-lkp@…) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251105/202511052209.ExfiyFp7-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511052209.ExfiyFp7-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/bpf-rvi/common_kfuncs.c:29:32: warning: no previous prototype for 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 29 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:38:35: warning: no previous prototype for 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 38 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:43:17: warning: no previous prototype for 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 43 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:57:17: warning: no previous prototype for 'bpf_pidns_last_pid' [-Wmissing-prototypes] 57 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:86:18: warning: no previous prototype for 'bpf_si_memswinfo' [-Wmissing-prototypes] 86 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:96:27: warning: no previous prototype for 'bpf_page_counter_read' [-Wmissing-prototypes] 96 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:106:18: warning: no previous prototype for 'bpf_seq_file_append' [-Wmissing-prototypes] 106 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:120:18: warning: no previous prototype for 'bpf_get_boottime_timens' [-Wmissing-prototypes] 120 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:126:27: warning: no previous prototype for 'bpf_get_total_forks' [-Wmissing-prototypes] 126 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:131:26: warning: no previous prototype for 'bpf_nr_running' [-Wmissing-prototypes] 131 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:136:32: warning: no previous prototype for 'bpf_nr_context_switches' [-Wmissing-prototypes] 136 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:141:26: warning: no previous prototype for 'bpf_nr_iowait' [-Wmissing-prototypes] 141 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:147:26: warning: no previous prototype for 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 147 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:152:27: warning: no previous prototype for 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 152 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:157:18: warning: no previous prototype for 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 157 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:166:27: warning: no previous prototype for 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 166 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:171:27: warning: no previous prototype for 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 171 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:176:27: warning: no previous prototype for 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 176 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:182:27: warning: no previous prototype for 'bpf_mem_totalcma' [-Wmissing-prototypes] 182 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:187:27: warning: no previous prototype for 'bpf_mem_freecma' [-Wmissing-prototypes] 187 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:202:17: warning: no previous prototype for 'bpf_hugetlb_report_meminfo' [-Wmissing-prototypes] 202 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:235:27: warning: no previous prototype for 'bpf_mem_failure' [-Wmissing-prototypes] 235 | __bpf_kfunc unsigned long bpf_mem_failure(void) | ^~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:246:27: warning: no previous prototype for 'bpf_mem_percpu' [-Wmissing-prototypes] 246 | __bpf_kfunc unsigned long bpf_mem_percpu(void) | ^~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:251:27: warning: no previous prototype for 'bpf_mem_commit_limit' [-Wmissing-prototypes] 251 | __bpf_kfunc unsigned long bpf_mem_commit_limit(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:255:27: warning: no previous prototype for 'bpf_mem_committed' [-Wmissing-prototypes] 255 | __bpf_kfunc unsigned long bpf_mem_committed(void) | ^~~~~~~~~~~~~~~~~ >> kernel/bpf-rvi/common_kfuncs.c:260:27: warning: no previous prototype for 'bpf_mem_vmalloc_used' [-Wmissing-prototypes] 260 | __bpf_kfunc unsigned long bpf_mem_vmalloc_used(void) | ^~~~~~~~~~~~~~~~~~~~ >> kernel/bpf-rvi/common_kfuncs.c:265:27: warning: no previous prototype for 'bpf_mem_vmalloc_total' [-Wmissing-prototypes] 265 | __bpf_kfunc unsigned long bpf_mem_vmalloc_total(void) | ^~~~~~~~~~~~~~~~~~~~~ vim +/bpf_mem_vmalloc_used +260 kernel/bpf-rvi/common_kfuncs.c 259 > 260 __bpf_kfunc unsigned long bpf_mem_vmalloc_used(void) 261 { 262 return vmalloc_nr_pages(); 263 } 264 > 265 __bpf_kfunc unsigned long bpf_mem_vmalloc_total(void) 266 { 267 return (unsigned long)VMALLOC_TOTAL >> 10; 268 } 269 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3103/3103] mm/swap.h:66:26: error: implicit declaration of function 'swp_offset'; did you mean 'pud_offset'?
by kernel test robot 05 Nov '25

05 Nov '25

Hi Kairui, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b2b8512ca97108929f3aca5405875d91577b8c80 commit: 5a72d2e54e8ff7c7f9510de875cf201ad18f36c4 [3103/3103] mm/shmem, swap: fix softlockup with mTHP swapin config: x86_64-randconfig-005-20251105 (https://download.01.org/0day-ci/archive/20251105/202511052045.6ZI8bKFl-lkp@…) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251105/202511052045.6ZI8bKFl-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511052045.6ZI8bKFl-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from mm/shmem.c:43: mm/swap.h: In function 'non_swapcache_batch': >> mm/swap.h:66:26: error: implicit declaration of function 'swp_offset'; did you mean 'pud_offset'? [-Wimplicit-function-declaration] 66 | pgoff_t offset = swp_offset(entry); | ^~~~~~~~~~ | pud_offset In file included from mm/shmem.c:68: include/linux/swapops.h: At top level: >> include/linux/swapops.h:107:23: error: conflicting types for 'swp_offset'; have 'long unsigned int(swp_entry_t)' 107 | static inline pgoff_t swp_offset(swp_entry_t entry) | ^~~~~~~~~~ mm/swap.h:66:26: note: previous implicit declaration of 'swp_offset' with type 'int()' 66 | pgoff_t offset = swp_offset(entry); | ^~~~~~~~~~ vim +66 mm/swap.h 62 63 static inline int non_swapcache_batch(swp_entry_t entry, int max_nr) 64 { 65 struct swap_info_struct *si = swp_swap_info(entry); > 66 pgoff_t offset = swp_offset(entry); 67 int i; 68 69 /* 70 * While allocating a large folio and doing mTHP swapin, we need to 71 * ensure all entries are not cached, otherwise, the mTHP folio will 72 * be in conflict with the folio in swap cache. 73 */ 74 for (i = 0; i < max_nr; i++) { 75 if ((si->swap_map[offset + i] & SWAP_HAS_CACHE)) 76 return i; 77 } 78 79 return i; 80 } 81 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6 0/2] CVE-2025-37997
by Zhang Changzhong 05 Nov '25

05 Nov '25

Jozsef Kadlecsik (1): netfilter: ipset: fix region locking in hash types Zhen Ni (1): netfilter: ipset: Remove unused htable_bits in macro ahash_region net/netfilter/ipset/ip_set_hash_gen.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -- 2.9.5

2 3

[PATCH OLK-5.10 0/2] CVE-2025-37997
by Zhang Changzhong 05 Nov '25

05 Nov '25

Jozsef Kadlecsik (1): netfilter: ipset: fix region locking in hash types Zhen Ni (1): netfilter: ipset: Remove unused htable_bits in macro ahash_region net/netfilter/ipset/ip_set_hash_gen.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -- 2.9.5

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[openeuler:OLK-6.6 3098/3098] kernel/bpf-rvi/common_kfuncs.c:250:27: warning: no previous prototype for 'bpf_mem_commit_limit'
by kernel test robot 05 Nov '25

05 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b2b8512ca97108929f3aca5405875d91577b8c80 commit: 7aa850a9126f0acd994e09afe54bb0200214e068 [3098/3098] bpf-rvi: Add bpf_mem_commit_limit & bpf_mem_committed kfunc config: x86_64-randconfig-001-20251104 (https://download.01.org/0day-ci/archive/20251105/202511052033.01T6CrLU-lkp@…) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251105/202511052033.01T6CrLU-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202511052033.01T6CrLU-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/bpf-rvi/common_kfuncs.c:28:32: warning: no previous prototype for 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 28 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:37:35: warning: no previous prototype for 'bpf_task_active_pid_ns' [-Wmissing-prototypes] 37 | __bpf_kfunc struct pid_namespace *bpf_task_active_pid_ns(struct task_struct *task) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:42:17: warning: no previous prototype for 'bpf_pidns_nr_tasks' [-Wmissing-prototypes] 42 | __bpf_kfunc u64 bpf_pidns_nr_tasks(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:56:17: warning: no previous prototype for 'bpf_pidns_last_pid' [-Wmissing-prototypes] 56 | __bpf_kfunc u32 bpf_pidns_last_pid(struct pid_namespace *ns) | ^~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:85:18: warning: no previous prototype for 'bpf_si_memswinfo' [-Wmissing-prototypes] 85 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:95:27: warning: no previous prototype for 'bpf_page_counter_read' [-Wmissing-prototypes] 95 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:105:18: warning: no previous prototype for 'bpf_seq_file_append' [-Wmissing-prototypes] 105 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:119:18: warning: no previous prototype for 'bpf_get_boottime_timens' [-Wmissing-prototypes] 119 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:125:27: warning: no previous prototype for 'bpf_get_total_forks' [-Wmissing-prototypes] 125 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:130:26: warning: no previous prototype for 'bpf_nr_running' [-Wmissing-prototypes] 130 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:135:32: warning: no previous prototype for 'bpf_nr_context_switches' [-Wmissing-prototypes] 135 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:140:26: warning: no previous prototype for 'bpf_nr_iowait' [-Wmissing-prototypes] 140 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:146:26: warning: no previous prototype for 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 146 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:151:27: warning: no previous prototype for 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 151 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:156:18: warning: no previous prototype for 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 156 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:165:27: warning: no previous prototype for 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 165 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:170:27: warning: no previous prototype for 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 170 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:175:27: warning: no previous prototype for 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 175 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:181:27: warning: no previous prototype for 'bpf_mem_totalcma' [-Wmissing-prototypes] 181 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:186:27: warning: no previous prototype for 'bpf_mem_freecma' [-Wmissing-prototypes] 186 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:201:17: warning: no previous prototype for 'bpf_hugetlb_report_meminfo' [-Wmissing-prototypes] 201 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:234:27: warning: no previous prototype for 'bpf_mem_failure' [-Wmissing-prototypes] 234 | __bpf_kfunc unsigned long bpf_mem_failure(void) | ^~~~~~~~~~~~~~~ kernel/bpf-rvi/common_kfuncs.c:245:27: warning: no previous prototype for 'bpf_mem_percpu' [-Wmissing-prototypes] 245 | __bpf_kfunc unsigned long bpf_mem_percpu(void) | ^~~~~~~~~~~~~~ >> kernel/bpf-rvi/common_kfuncs.c:250:27: warning: no previous prototype for 'bpf_mem_commit_limit' [-Wmissing-prototypes] 250 | __bpf_kfunc unsigned long bpf_mem_commit_limit(void) | ^~~~~~~~~~~~~~~~~~~~ >> kernel/bpf-rvi/common_kfuncs.c:254:27: warning: no previous prototype for 'bpf_mem_committed' [-Wmissing-prototypes] 254 | __bpf_kfunc unsigned long bpf_mem_committed(void) | ^~~~~~~~~~~~~~~~~ vim +/bpf_mem_commit_limit +250 kernel/bpf-rvi/common_kfuncs.c 199 200 #ifdef CONFIG_HUGETLB_PAGE > 201 __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) 202 { 203 struct hstate *h; 204 unsigned long total = 0; 205 206 if (!hugepages_supported()) 207 return -1; 208 209 for_each_hstate(h) { 210 unsigned long count = h->nr_huge_pages; 211 212 total += huge_page_size(h) * count; 213 214 if (h == &default_hstate) { 215 hugepage_info->total = count; 216 hugepage_info->free = h->free_huge_pages; 217 hugepage_info->rsvd = h->resv_huge_pages; 218 hugepage_info->surp = h->surplus_huge_pages; 219 hugepage_info->size = huge_page_size(h) / SZ_1K; 220 } 221 } 222 223 hugepage_info->hugetlb = total / SZ_1K; 224 return 0; 225 } 226 #else 227 __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info) 228 { 229 return -1; 230 } 231 #endif 232 233 #ifdef CONFIG_MEMORY_FAILURE > 234 __bpf_kfunc unsigned long bpf_mem_failure(void) 235 { 236 return atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10); 237 } 238 #else 239 __bpf_kfunc unsigned long bpf_mem_failure(void) 240 { 241 return 0; 242 } 243 #endif 244 245 __bpf_kfunc unsigned long bpf_mem_percpu(void) 246 { 247 return pcpu_nr_pages(); 248 } 249 > 250 __bpf_kfunc unsigned long bpf_mem_commit_limit(void) 251 { 252 return vm_commit_limit(); 253 } > 254 __bpf_kfunc unsigned long bpf_mem_committed(void) 255 { 256 return vm_memory_committed(); 257 } 258 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH OLK-6.6] Bluetooth: hci_core: Disable works on hci_unregister_dev
by Zhang Changzhong 05 Nov '25

05 Nov '25

From: Luiz Augusto von Dentz <luiz.von.dentz(a)intel.com> mainline inclusion from mainline-v6.12-rc5 commit 989fa5171f005ecf63440057218d8aeb1795287d category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/ICZL5V CVE: CVE-2024-58241 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… -------------------------------- This make use of disable_work_* on hci_unregister_dev since the hci_dev is about to be freed new submissions are not disarable. Fixes: 0d151a103775 ("Bluetooth: hci_core: cancel all works upon hci_unregister_dev()") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz(a)intel.com> Conflicts: net/bluetooth/hci_sync.c [commit 78db544b5d27 ("Bluetooth: hci_core: Remove le_restart_scan work") and f2d897753586 ("Bluetooth: hci_sync: Remove remaining dependencies of hci_request") not merged] Signed-off-by: Zhang Changzhong <zhangchangzhong(a)huawei.com> --- net/bluetooth/hci_core.c | 24 +++++++++++++++--------- net/bluetooth/hci_sync.c | 15 +++++++++++---- 2 files changed, 26 insertions(+), 13 deletions(-) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index c5e3ae5..4b4e3579 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1638,12 +1638,12 @@ void hci_adv_instances_clear(struct hci_dev *hdev) struct adv_info *adv_instance, *n; if (hdev->adv_instance_timeout) { - cancel_delayed_work(&hdev->adv_instance_expire); + disable_delayed_work(&hdev->adv_instance_expire); hdev->adv_instance_timeout = 0; } list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) { - cancel_delayed_work_sync(&adv_instance->rpa_expired_cb); + disable_delayed_work_sync(&adv_instance->rpa_expired_cb); list_del(&adv_instance->list); kfree(adv_instance); } @@ -2670,11 +2670,11 @@ void hci_unregister_dev(struct hci_dev *hdev) list_del(&hdev->list); write_unlock(&hci_dev_list_lock); - cancel_work_sync(&hdev->rx_work); - cancel_work_sync(&hdev->cmd_work); - cancel_work_sync(&hdev->tx_work); - cancel_work_sync(&hdev->power_on); - cancel_work_sync(&hdev->error_reset); + disable_work_sync(&hdev->rx_work); + disable_work_sync(&hdev->cmd_work); + disable_work_sync(&hdev->tx_work); + disable_work_sync(&hdev->power_on); + disable_work_sync(&hdev->error_reset); hci_cmd_sync_clear(hdev); @@ -2781,8 +2781,14 @@ static void hci_cancel_cmd_sync(struct hci_dev *hdev, int err) { bt_dev_dbg(hdev, "err 0x%2.2x", err); - cancel_delayed_work_sync(&hdev->cmd_timer); - cancel_delayed_work_sync(&hdev->ncmd_timer); + if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) { + disable_delayed_work_sync(&hdev->cmd_timer); + disable_delayed_work_sync(&hdev->ncmd_timer); + } else { + cancel_delayed_work_sync(&hdev->cmd_timer); + cancel_delayed_work_sync(&hdev->ncmd_timer); + } + atomic_set(&hdev->cmd_cnt, 1); hci_cmd_sync_cancel_sync(hdev, err); diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index e086f29..9d31b78 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -5158,10 +5158,17 @@ int hci_dev_close_sync(struct hci_dev *hdev) bt_dev_dbg(hdev, ""); - cancel_delayed_work(&hdev->power_off); - cancel_delayed_work(&hdev->ncmd_timer); - cancel_delayed_work(&hdev->le_scan_disable); - cancel_delayed_work(&hdev->le_scan_restart); + if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) { + disable_delayed_work(&hdev->power_off); + disable_delayed_work(&hdev->ncmd_timer); + disable_delayed_work(&hdev->le_scan_disable); + disable_delayed_work(&hdev->le_scan_restart); + } else { + cancel_delayed_work(&hdev->power_off); + cancel_delayed_work(&hdev->ncmd_timer); + cancel_delayed_work(&hdev->le_scan_disable); + cancel_delayed_work(&hdev->le_scan_restart); + } hci_request_cancel_all(hdev); -- 2.9.5

2 1

[PATCH OLK-6.6 0/2] CVE-2025-39925
by Zhang Changzhong 05 Nov '25

05 Nov '25

Tetsuo Handa (2): can: j1939: implement NETDEV_UNREGISTER notification handler can: j1939: add missing calls in NETDEV_UNREGISTER notification handler net/can/j1939/j1939-priv.h | 1 + net/can/j1939/main.c | 5 +++++ net/can/j1939/socket.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 55 insertions(+) -- 2.9.5

2 3