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[openeuler:OLK-6.6 3098/3098] drivers/iommu/hisilicon/ummu-core/core_iova.c:252:19: warning: no previous prototype for function 'dma_alloc_iova'
by kernel test robot 04 Nov '25

04 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 80e4e47da66d941f2265d9d6c449880553254119 [3098/3098] iommu/ummu-core: support IOVA on demand mapping config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251104/202511040647.7fLTNmOG-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/20251104/202511040647.7fLTNmOG-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/202511040647.7fLTNmOG-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/hisilicon/ummu-core/core_iova.c:252:19: warning: no previous prototype for function 'dma_alloc_iova' [-Wmissing-prototypes] 252 | struct iova_slot *dma_alloc_iova(struct device *dev, size_t size, | ^ drivers/iommu/hisilicon/ummu-core/core_iova.c:252:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 252 | struct iova_slot *dma_alloc_iova(struct device *dev, size_t size, | ^ | static >> drivers/iommu/hisilicon/ummu-core/core_iova.c:290:6: warning: no previous prototype for function 'dma_free_iova' [-Wmissing-prototypes] 290 | void dma_free_iova(struct iova_slot *slot) | ^ drivers/iommu/hisilicon/ummu-core/core_iova.c:290:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 290 | void dma_free_iova(struct iova_slot *slot) | ^ | static >> drivers/iommu/hisilicon/ummu-core/core_iova.c:298:5: warning: no previous prototype for function 'ummu_fill_pages' [-Wmissing-prototypes] 298 | int ummu_fill_pages(struct iova_slot *slot, dma_addr_t iova, unsigned long nr_pages) | ^ drivers/iommu/hisilicon/ummu-core/core_iova.c:298:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 298 | int ummu_fill_pages(struct iova_slot *slot, dma_addr_t iova, unsigned long nr_pages) | ^ | static >> drivers/iommu/hisilicon/ummu-core/core_iova.c:333:5: warning: no previous prototype for function 'ummu_drain_pages' [-Wmissing-prototypes] 333 | int ummu_drain_pages(struct iova_slot *slot, dma_addr_t iova, unsigned long nr_pages) | ^ drivers/iommu/hisilicon/ummu-core/core_iova.c:333:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 333 | int ummu_drain_pages(struct iova_slot *slot, dma_addr_t iova, unsigned long nr_pages) | ^ | static 4 warnings generated. vim +/dma_alloc_iova +252 drivers/iommu/hisilicon/ummu-core/core_iova.c 251 > 252 struct iova_slot *dma_alloc_iova(struct device *dev, size_t size, 253 unsigned long attrs, dma_addr_t *iovap, 254 size_t *sizep) 255 { 256 struct iommu_domain *domain; 257 struct iova_slot *slot; 258 dma_addr_t iova; 259 int ret; 260 261 size = PAGE_ALIGN(size); 262 domain = iommu_get_domain_for_dev(dev); 263 if (!domain || !iommu_is_dma_domain(domain)) { 264 ret = -ENODEV; 265 goto err_out; 266 } 267 iova = domain_alloc_iova(domain, size, dev->coherent_dma_mask, dev); 268 if (!iova) { 269 ret = -EFAULT; 270 goto err_out; 271 } 272 273 slot = alloc_iova_slot(dev, iova, size, attrs); 274 if (!slot) { 275 ret = -ENOMEM; 276 goto err_free_iova; 277 } 278 279 *iovap = iova; 280 *sizep = size; 281 return slot; 282 283 err_free_iova: 284 domain_free_iova(domain, iova, size); 285 err_out: 286 return ERR_PTR(ret); 287 } 288 EXPORT_SYMBOL_GPL(dma_alloc_iova); 289 > 290 void dma_free_iova(struct iova_slot *slot) 291 { 292 drain_pages(slot, slot->iova, slot->nr_pages); 293 domain_free_iova(slot->domain, slot->iova, slot->nr_pages << PAGE_SHIFT); 294 free_iova_slot(slot); 295 } 296 EXPORT_SYMBOL_GPL(dma_free_iova); 297 > 298 int ummu_fill_pages(struct iova_slot *slot, dma_addr_t iova, unsigned long nr_pages) 299 { 300 struct page **pages; 301 unsigned long i; 302 int ret; 303 304 if (!IS_ALIGNED(iova, PAGE_SIZE) || !nr_pages) 305 return -EINVAL; 306 307 if (!check_iova_range(slot, iova, nr_pages)) 308 return -EINVAL; 309 310 if (!check_iova_bitmap_region(slot, iova_bitmap_offset(slot, iova), nr_pages, true)) 311 return -EEXIST; 312 313 pages = allocate_pages(slot->dev, nr_pages, GFP_KERNEL | __GFP_ZERO); 314 if (!pages) 315 return -ENOMEM; 316 317 ret = map_pages(slot, iova, nr_pages, pages); 318 if (ret != 0) 319 goto err_free_pages; 320 321 bitmap_set(slot->bitmap, iova_bitmap_offset(slot, iova), nr_pages); 322 kvfree(pages); 323 return 0; 324 325 err_free_pages: 326 for (i = 0; i < nr_pages; i++) 327 __free_page(pages[i]); 328 kvfree(pages); 329 return ret; 330 } 331 EXPORT_SYMBOL_GPL(ummu_fill_pages); 332 > 333 int ummu_drain_pages(struct iova_slot *slot, dma_addr_t iova, unsigned long nr_pages) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3098/3098] mm/vmscan.o: warning: objtool: shrink_lruvec+0xbca: sibling call from callable instruction with modified stack frame
by kernel test robot 04 Nov '25

04 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 241ad43fe7e9c24d5ba4cdd1ec22e731cdd22d14 [3098/3098] Compiler: Add clang's PGO support for kernel. config: x86_64-randconfig-004-20251104 (https://download.01.org/0day-ci/archive/20251104/202511040559.zWQ5UJQg-lkp@…) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040559.zWQ5UJQg-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/202511040559.zWQ5UJQg-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/vmscan.c:15: In file included from include/linux/mm.h:2235: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from mm/vmscan.c:30: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmscan.c:673:51: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 673 | size += zone_page_state(zone, NR_ZONE_LRU_BASE + lru); | ~~~~~~~~~~~~~~~~ ^ ~~~ mm/vmscan.c:2411:4: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 2411 | __count_zid_vm_events(PGSCAN_SKIP, zid, nr_skipped[zid]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events' 135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ mm/vmscan.c:2919:51: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2919 | inactive = lruvec_page_state(lruvec, NR_LRU_BASE + inactive_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~~~ mm/vmscan.c:2920:49: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 2920 | active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru); | ~~~~~~~~~~~ ^ ~~~~~~~~~~ mm/vmscan.c:6914:3: warning: arithmetic between different enumeration types ('enum vm_event_item' and 'enum zone_type') [-Wenum-enum-conversion] 6914 | __count_zid_vm_events(ALLOCSTALL, sc->reclaim_idx, 1); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:135:34: note: expanded from macro '__count_zid_vm_events' 135 | __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) | ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~ 12 warnings generated. >> mm/vmscan.o: warning: objtool: shrink_lruvec+0xbca: sibling call from callable instruction with modified stack frame -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3098/3098] net/oenetcls/oenetcls_main.c:990:13: warning: 'set_netdev_xps_queue' defined but not used
by kernel test robot 04 Nov '25

04 Nov '25

Hi Wang, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 22d4075bf5ef29ba4b329f954ac28a7de1d69a65 [3098/3098] net/oenetcls: remove oenetcls trace hook config: x86_64-randconfig-121-20251104 (https://download.01.org/0day-ci/archive/20251104/202511040552.16dcWFcA-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/20251104/202511040552.16dcWFcA-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/202511040552.16dcWFcA-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/oenetcls/oenetcls_main.c:990:13: warning: 'set_netdev_xps_queue' defined but not used [-Wunused-function] 990 | static void set_netdev_xps_queue(bool enable) | ^~~~~~~~~~~~~~~~~~~~ In file included from include/linux/string.h:294, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from arch/x86/include/asm/cpumask.h:5, from arch/x86/include/asm/msr.h:11, from arch/x86/include/asm/processor.h:23, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/stat.h:19, from include/linux/module.h:13, from net/oenetcls/oenetcls_main.c:2: In function 'strncpy', inlined from 'oecls_filter_restore' at net/oenetcls/oenetcls_main.c:459:2: include/linux/fortify-string.h:81:33: warning: '__builtin_strncpy' specified bound 16 equals destination size [-Wstringop-truncation] 81 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/fortify-string.h:165:16: note: in expansion of macro '__underlying_strncpy' 165 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ In function 'strncpy', inlined from 'oecls_filter_enable.constprop' at net/oenetcls/oenetcls_main.c:413:2: include/linux/fortify-string.h:81:33: warning: '__builtin_strncpy' specified bound 16 equals destination size [-Wstringop-truncation] 81 | #define __underlying_strncpy __builtin_strncpy | ^ include/linux/fortify-string.h:165:16: note: in expansion of macro '__underlying_strncpy' 165 | return __underlying_strncpy(p, q, size); | ^~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PTP_1588_CLOCK Depends on [n]: NET [=y] && POSIX_TIMERS [=n] Selected by [m]: - SXE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y] - SXE_VF [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_LINKDATA [=y] && (X86 [=y] || ARM64) && PCI [=y] vim +/set_netdev_xps_queue +990 net/oenetcls/oenetcls_main.c 4bed6ba0e88f50 Wang Liang 2025-08-26 989 4bed6ba0e88f50 Wang Liang 2025-08-26 @990 static void set_netdev_xps_queue(bool enable) 4bed6ba0e88f50 Wang Liang 2025-08-26 991 { 4bed6ba0e88f50 Wang Liang 2025-08-26 992 const struct cpumask clear_mask = { 0 }; 4bed6ba0e88f50 Wang Liang 2025-08-26 993 struct oecls_netdev_info *oecls_dev; 4bed6ba0e88f50 Wang Liang 2025-08-26 994 const struct cpumask *cpu_mask; 4bed6ba0e88f50 Wang Liang 2025-08-26 995 int rxq_id, devid, cpu, nid; 4bed6ba0e88f50 Wang Liang 2025-08-26 996 4bed6ba0e88f50 Wang Liang 2025-08-26 997 for_each_oecls_netdev(devid, oecls_dev) { 4bed6ba0e88f50 Wang Liang 2025-08-26 998 for (rxq_id = 0; rxq_id < oecls_dev->rxq_num; rxq_id++) { 4bed6ba0e88f50 Wang Liang 2025-08-26 999 cpu = oecls_dev->rxq[rxq_id].affinity_cpu; 4bed6ba0e88f50 Wang Liang 2025-08-26 1000 nid = cpu_to_node(cpu); 4bed6ba0e88f50 Wang Liang 2025-08-26 1001 if (enable) 4bed6ba0e88f50 Wang Liang 2025-08-26 1002 cpu_mask = cpumask_of_node(nid); 4bed6ba0e88f50 Wang Liang 2025-08-26 1003 else 4bed6ba0e88f50 Wang Liang 2025-08-26 1004 cpu_mask = &clear_mask; 4bed6ba0e88f50 Wang Liang 2025-08-26 1005 4bed6ba0e88f50 Wang Liang 2025-08-26 1006 netif_set_xps_queue_wrapper(oecls_dev->netdev, rxq_id, cpu_mask); 4bed6ba0e88f50 Wang Liang 2025-08-26 1007 } 4bed6ba0e88f50 Wang Liang 2025-08-26 1008 } 4bed6ba0e88f50 Wang Liang 2025-08-26 1009 } 4bed6ba0e88f50 Wang Liang 2025-08-26 1010 :::::: The code at line 990 was first introduced by commit :::::: 4bed6ba0e88f50484fd5fb06bd993727b981b718 net/oenetcls: introduce oenetcls for network optimization :::::: TO: Wang Liang <wangliang74(a)huawei.com> :::::: CC: Wang Liang <wangliang74(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 3098/3098] crypto/asymmetric_keys/pgp_preload.c:63:38: warning: 'enum pgp_packet_tag' declared inside parameter list will not be visible outside of this definition or declaration
by kernel test robot 04 Nov '25

04 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 43d4042e06d2bf96adf67d25e8d91653507a4cf9 [3098/3098] KEYS: Provide a function to load keys from a PGP keyring blob config: x86_64-randconfig-003-20251104 (https://download.01.org/0day-ci/archive/20251104/202511040423.NnaZjkS6-lkp@…) compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040423.NnaZjkS6-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/202511040423.NnaZjkS6-lkp@intel.com/ All warnings (new ones prefixed by >>): crypto/asymmetric_keys/pgp_preload.c:25:34: error: field 'pgp' has incomplete type 25 | struct pgp_parse_context pgp; | ^~~ >> crypto/asymmetric_keys/pgp_preload.c:63:38: warning: 'enum pgp_packet_tag' declared inside parameter list will not be visible outside of this definition or declaration 63 | enum pgp_packet_tag type, u8 headerlen, | ^~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c:63:53: error: parameter 2 ('type') has incomplete type 63 | enum pgp_packet_tag type, u8 headerlen, | ~~~~~~~~~~~~~~~~~~~~^~~~ crypto/asymmetric_keys/pgp_preload.c:62:19: error: function declaration isn't a prototype [-Werror=strict-prototypes] 62 | static int __init found_pgp_key(struct pgp_parse_context *context, | ^~~~~~~~~~~~~ In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/module.h:12, from crypto/asymmetric_keys/pgp_preload.c:17: crypto/asymmetric_keys/pgp_preload.c: In function 'found_pgp_key': include/linux/compiler_types.h:374:27: error: expression in static assertion is not an integer 374 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~~~ include/linux/container_of.h:20:23: note: in expansion of macro '__same_type' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c:67:17: note: in expansion of macro 'container_of' 67 | container_of(context, struct preload_pgp_keys_context, pgp); | ^~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c: At top level: >> crypto/asymmetric_keys/pgp_preload.c:101:12: warning: no previous prototype for 'preload_pgp_keys' [-Wmissing-prototypes] 101 | int __init preload_pgp_keys(const u8 *pgpdata, size_t pgpdatalen, | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c: In function 'preload_pgp_keys': crypto/asymmetric_keys/pgp_preload.c:107:43: error: 'PGP_PKT_PUBLIC_KEY' undeclared (first use in this function) 107 | ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY); | ^~~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_preload.c:107:43: note: each undeclared identifier is reported only once for each function it appears in crypto/asymmetric_keys/pgp_preload.c:112:15: error: implicit declaration of function 'pgp_parse_packets' [-Werror=implicit-function-declaration] 112 | ret = pgp_parse_packets(pgpdata, pgpdatalen, &ctx.pgp); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- crypto/asymmetric_keys/pgp_public_key.c:37:34: error: field 'pgp' has incomplete type 37 | struct pgp_parse_context pgp; | ^~~ >> crypto/asymmetric_keys/pgp_public_key.c:50:39: warning: 'struct pgp_parse_pubkey' declared inside parameter list will not be visible outside of this definition or declaration 50 | struct pgp_parse_pubkey *pgp, | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_calc_pkey_keyid': crypto/asymmetric_keys/pgp_public_key.c:63:9: error: implicit declaration of function 'kenter' [-Werror=implicit-function-declaration] 63 | kenter(""); | ^~~~~~ crypto/asymmetric_keys/pgp_public_key.c:65:17: error: invalid use of undefined type 'struct pgp_parse_pubkey' 65 | n = (pgp->version < PGP_KEY_VERSION_4) ? 8 : 6; | ^~ crypto/asymmetric_keys/pgp_public_key.c:65:29: error: 'PGP_KEY_VERSION_4' undeclared (first use in this function) 65 | n = (pgp->version < PGP_KEY_VERSION_4) ? 8 : 6; | ^~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:65:29: note: each undeclared identifier is reported only once for each function it appears in crypto/asymmetric_keys/pgp_public_key.c:67:23: error: implicit declaration of function 'mpi_key_length' [-Werror=implicit-function-declaration] 67 | ret = mpi_key_length(key_ptr, keylen, nb + i, nn + i); | ^~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:87:32: error: invalid use of undefined type 'struct pgp_parse_pubkey' 87 | digest_putc(digest, pgp->version); | ^~ crypto/asymmetric_keys/pgp_public_key.c:89:18: error: invalid use of undefined type 'struct pgp_parse_pubkey' 89 | a32 = pgp->creation_time; | ^~ crypto/asymmetric_keys/pgp_public_key.c:95:16: error: invalid use of undefined type 'struct pgp_parse_pubkey' 95 | if (pgp->version < PGP_KEY_VERSION_4) { | ^~ crypto/asymmetric_keys/pgp_public_key.c:98:24: error: invalid use of undefined type 'struct pgp_parse_pubkey' 98 | if (pgp->expires_at) | ^~ crypto/asymmetric_keys/pgp_public_key.c:99:35: error: invalid use of undefined type 'struct pgp_parse_pubkey' 99 | a16 = (pgp->expires_at - pgp->creation_time) / 86400UL; | ^~ crypto/asymmetric_keys/pgp_public_key.c:99:53: error: invalid use of undefined type 'struct pgp_parse_pubkey' 99 | a16 = (pgp->expires_at - pgp->creation_time) / 86400UL; | ^~ crypto/asymmetric_keys/pgp_public_key.c:106:32: error: invalid use of undefined type 'struct pgp_parse_pubkey' 106 | digest_putc(digest, pgp->pubkey_algo); | ^~ crypto/asymmetric_keys/pgp_public_key.c:115:9: error: implicit declaration of function 'kleave' [-Werror=implicit-function-declaration] 115 | kleave(" = %d", ret); | ^~~~~~ crypto/asymmetric_keys/pgp_public_key.c: At top level: crypto/asymmetric_keys/pgp_public_key.c:123:44: warning: 'struct pgp_parse_pubkey' declared inside parameter list will not be visible outside of this definition or declaration 123 | struct pgp_parse_pubkey *pgp, | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_generate_fingerprint': crypto/asymmetric_keys/pgp_public_key.c:134:37: error: invalid use of undefined type 'struct pgp_parse_pubkey' 134 | tfm = crypto_alloc_shash(pgp->version < PGP_KEY_VERSION_4 ? | ^~ crypto/asymmetric_keys/pgp_public_key.c:134:49: error: 'PGP_KEY_VERSION_4' undeclared (first use in this function) 134 | tfm = crypto_alloc_shash(pgp->version < PGP_KEY_VERSION_4 ? | ^~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:150:43: error: passing argument 2 of 'pgp_calc_pkey_keyid' from incompatible pointer type [-Werror=incompatible-pointer-types] 150 | ret = pgp_calc_pkey_keyid(digest, pgp, pub); | ^~~ | | | struct pgp_parse_pubkey * crypto/asymmetric_keys/pgp_public_key.c:50:57: note: expected 'struct pgp_parse_pubkey *' but argument is of type 'struct pgp_parse_pubkey *' 50 | struct pgp_parse_pubkey *pgp, | ~~~~~~~~~~~~~~~~~~~~~~~~~^~~ crypto/asymmetric_keys/pgp_public_key.c: At top level: >> crypto/asymmetric_keys/pgp_public_key.c:199:40: warning: 'enum pgp_packet_tag' declared inside parameter list will not be visible outside of this definition or declaration 199 | enum pgp_packet_tag type, | ^~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:199:55: error: parameter 2 ('type') has incomplete type 199 | enum pgp_packet_tag type, | ~~~~~~~~~~~~~~~~~~~~^~~~ crypto/asymmetric_keys/pgp_public_key.c:198:12: error: function declaration isn't a prototype [-Werror=strict-prototypes] 198 | static int pgp_process_public_key(struct pgp_parse_context *context, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/module.h:12, from crypto/asymmetric_keys/pgp_public_key.c:16: crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_process_public_key': include/linux/compiler_types.h:374:27: error: expression in static assertion is not an integer 374 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert' 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~ include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~~~ include/linux/container_of.h:20:23: note: in expansion of macro '__same_type' 20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \ | ^~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:206:17: note: in expansion of macro 'container_of' 206 | container_of(context, struct pgp_key_data_parse_context, pgp); | ^~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:207:33: error: storage size of 'pgp' isn't known 207 | struct pgp_parse_pubkey pgp; | ^~~ crypto/asymmetric_keys/pgp_public_key.c:213:21: error: 'PGP_PKT_USER_ID' undeclared (first use in this function) 213 | if (type == PGP_PKT_USER_ID) { | ^~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:230:15: error: implicit declaration of function 'pgp_parse_public_key'; did you mean 'pgp_process_public_key'? [-Werror=implicit-function-declaration] 230 | ret = pgp_parse_public_key(&data, &datalen, &pgp); | ^~~~~~~~~~~~~~~~~~~~ | pgp_process_public_key crypto/asymmetric_keys/pgp_public_key.c:234:32: error: 'PGP_PUBKEY__LAST' undeclared (first use in this function) 234 | if (pgp.pubkey_algo >= PGP_PUBKEY__LAST) | ^~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:236:16: error: 'pgp_to_public_key_algo' undeclared (first use in this function) 236 | algo = pgp_to_public_key_algo[pgp.pubkey_algo]; | ^~~~~~~~~~~~~~~~~~~~~~ >> crypto/asymmetric_keys/pgp_public_key.c:207:33: warning: unused variable 'pgp' [-Wunused-variable] 207 | struct pgp_parse_pubkey pgp; | ^~~ crypto/asymmetric_keys/pgp_public_key.c: In function 'pgp_key_parse': crypto/asymmetric_keys/pgp_public_key.c:313:43: error: 'PGP_PKT_PUBLIC_KEY' undeclared (first use in this function) 313 | ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY) | | ^~~~~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:314:43: error: 'PGP_PKT_USER_ID' undeclared (first use in this function) 314 | (1 << PGP_PKT_USER_ID); | ^~~~~~~~~~~~~~~ crypto/asymmetric_keys/pgp_public_key.c:317:15: error: implicit declaration of function 'pgp_parse_packets' [-Werror=implicit-function-declaration] 317 | ret = pgp_parse_packets(prep->data, prep->datalen, &ctx.pgp); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_KEY_PARSER Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n] Selected by [y]: - PGP_PRELOAD [=y] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=y] vim +63 crypto/asymmetric_keys/pgp_preload.c 58 59 /* 60 * Extract a public key or subkey from the PGP stream. 61 */ 62 static int __init found_pgp_key(struct pgp_parse_context *context, > 63 enum pgp_packet_tag type, u8 headerlen, 64 const u8 *data, size_t datalen) 65 { 66 struct preload_pgp_keys_context *ctx = 67 container_of(context, struct preload_pgp_keys_context, pgp); 68 int ret; 69 70 if (ctx->found_key) { 71 ctx->key_end = data - headerlen; 72 ret = create_pgp_key(ctx); 73 if (ret < 0) 74 return ret; 75 } 76 77 ctx->key_start = data - headerlen; 78 ctx->found_key = true; 79 return 0; 80 } 81 82 /** 83 * preload_pgp_keys - Load keys from a PGP keyring blob 84 * @pgpdata: The PGP keyring blob containing the keys. 85 * @pgpdatalen: The size of the @pgpdata blob. 86 * @keyring: The keyring to add the new keys to. 87 * 88 * Preload a pack of keys from a PGP keyring blob. 89 * 90 * The keys have their descriptions generated from the user ID and fingerprint 91 * in the PGP stream. Since keys can be matched on their key IDs independently 92 * of the key description, the description is mostly irrelevant apart from the 93 * fact that keys of the same description displace one another from a keyring. 94 * 95 * The caller should override the current creds if they want the keys to be 96 * owned by someone other than the current process's owner. Keys will not be 97 * accounted towards the owner's quota. 98 * 99 * This function may only be called whilst the kernel is booting. 100 */ > 101 int __init preload_pgp_keys(const u8 *pgpdata, size_t pgpdatalen, 102 struct key *keyring) 103 { 104 struct preload_pgp_keys_context ctx; 105 int ret; 106 107 ctx.pgp.types_of_interest = (1 << PGP_PKT_PUBLIC_KEY); 108 ctx.pgp.process_packet = found_pgp_key; 109 ctx.keyring = make_key_ref(keyring, 1); 110 ctx.found_key = false; 111 112 ret = pgp_parse_packets(pgpdata, pgpdatalen, &ctx.pgp); 113 if (ret < 0) 114 return ret; 115 116 if (ctx.found_key) { 117 ctx.key_end = pgpdata + pgpdatalen; 118 return create_pgp_key(&ctx); 119 } 120 return 0; 121 } 122 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 3098/3098] drivers/tty/n_gsm.c:4171: warning: Function parameter or member 'dlci' not described in 'gsm_modem_send_initial_msc'
by kernel test robot 04 Nov '25

04 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: 0c1413eee50d3f2b8928d788d0df337a3ce85e42 [3098/3098] tty: n_gsm: Don't block input queue by waiting MSC config: arm64-randconfig-001-20251103 (https://download.01.org/0day-ci/archive/20251104/202511040133.5KcpYIBK-lkp@…) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project d2625a438020ad35330cda29c3def102c1687b1b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040133.5KcpYIBK-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/202511040133.5KcpYIBK-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/tty/n_gsm.c:4171: warning: Function parameter or member 'dlci' not described in 'gsm_modem_send_initial_msc' vim +4171 drivers/tty/n_gsm.c 4159 4160 /** 4161 * gsm_modem_send_initial_msc - Send initial modem status message 4162 * 4163 * @dlci channel 4164 * 4165 * Send an initial MSC message after DLCI open to set the initial 4166 * modem status lines. This is only done for basic mode. 4167 * Does not wait for a response as we cannot block the input queue 4168 * processing. 4169 */ 4170 static int gsm_modem_send_initial_msc(struct gsm_dlci *dlci) > 4171 { 4172 u8 modembits[2]; 4173 4174 if (dlci->adaption != 1 || dlci->gsm->encoding != GSM_BASIC_OPT) 4175 return 0; 4176 4177 modembits[0] = (dlci->addr << 2) | 2 | EA; /* DLCI, Valid, EA */ 4178 modembits[1] = (gsm_encode_modem(dlci) << 1) | EA; 4179 return gsm_control_command(dlci->gsm, CMD_MSC, (const u8 *)&modembits, 2); 4180 } 4181 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[openeuler:OLK-6.6 3098/3098] include/linux/iommu.h:2001:40: warning: 'struct iommu_plb_gather' declared inside parameter list will not be visible outside of this definition or declaration
by kernel test robot 04 Nov '25

04 Nov '25

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: a29fc03bd0ddaf7388cf31604ef5bd9807585109 commit: d46a4bd5bdfd7f1d6e2fa159398df4c54345070c [3098/3098] iommu/ummu-core: introduce iommu sva permission operation config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251104/202511040032.5Xz72vRE-lkp@…) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251104/202511040032.5Xz72vRE-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/202511040032.5Xz72vRE-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from kernel/fork.c:101: >> include/linux/iommu.h:2001:40: warning: 'struct iommu_plb_gather' declared inside parameter list will not be visible outside of this definition or declaration 2001 | struct iommu_plb_gather *plb_gather) {} | ^~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for ARCH_SUPPORTS_SCHED_SOFT_QUOTA Depends on [n]: CGROUPS [=n] Selected by [y]: - ARM64 [=y] WARNING: unmet direct dependencies detected for HALTPOLL_CPUIDLE Depends on [n]: CPU_IDLE [=n] && ARCH_CPUIDLE_HALTPOLL [=y] && ARCH_HAS_OPTIMIZED_POLL [=y] Selected by [y]: - ARM64 [=y] vim +2001 include/linux/iommu.h 1993 1994 static inline int iommu_sva_ungrant(struct iommu_sva *sva, void *va, 1995 size_t size, void *cookie) 1996 { 1997 return -EOPNOTSUPP; 1998 } 1999 static inline void iommu_plb_sync_all(struct iommu_domain *domain) {} 2000 static inline void iommu_plb_sync(struct iommu_domain *domain, > 2001 struct iommu_plb_gather *plb_gather) {} -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 0

[PATCH openEuler-1.0-LTS] tty: vt: Fix vc_origin buffer copy overflow in fbcon_prepare_logo()
by Chen Jun 03 Nov '25

03 Nov '25

From: Wang ShaoBo <bobo.shaobowang(a)huawei.com> Offering: HULK hulk inclusion category: bugfix bugzilla: NA CVE: NA ---------------------------------------------------------------------- I got some KASAN report as below: BUG: KASAN: slab-use-after-free in fbcon_prepare_logo+0x61e/0xc90 Read of size 14 at addr ffff88812c9a4c38 by task syz.0.3549/19016 CPU: 0 PID: 19016 Comm: syz.0.3549 Not tainted 6.6.0+ #80 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x72/0xa0 print_address_description.constprop.0+0x6b/0x3d0 ? fbcon_prepare_logo+0x61e/0xc90 print_report+0xba/0x280 ? fbcon_prepare_logo+0x61e/0xc90 ? kasan_addr_to_slab+0xd/0xa0 ? fbcon_prepare_logo+0x61e/0xc90 kasan_report+0xaf/0xe0 ? fbcon_prepare_logo+0x61e/0xc90 kasan_check_range+0x100/0x1c0 __asan_memcpy+0x23/0x60 fbcon_prepare_logo+0x61e/0xc90 fbcon_init+0xeb9/0x1db0 ? __pfx_drm_fb_helper_set_par+0x10/0x10 visual_init+0x310/0x5c0 do_bind_con_driver.isra.0+0x627/0xbd0 store_bind+0x60b/0x710 ? __pfx_store_bind+0x10/0x10 dev_attr_store+0x5a/0x90 ? __pfx_dev_attr_store+0x10/0x10 sysfs_kf_write+0x145/0x1b0 kernfs_fop_write_iter+0x367/0x580 ? __pfx_sysfs_kf_write+0x10/0x10 new_sync_write+0x1b1/0x2d0 ? __pfx_new_sync_write+0x10/0x10 ? rb_commit+0x121/0x910 ? avc_policy_seqno+0xe/0x20 ? selinux_file_permission+0x129/0x5d0 ? security_file_permission+0xa8/0x700 vfs_write+0x71a/0x960 ksys_write+0x12e/0x260 fbcon_init() -> vc_resize() //success resize vc_origin buffer size=224=7(cols)*2*16(rows) -> bcon_prepare_logo(vc, info, old_cols, old_rows, new_cols, new_rows) //old_cols=256，old_rows=4，new_cols=7，new_rows=16 There happened to be a vc_origin buffer copy overflow error in fbcon_prepare_logo(), scrolling screen down when using old cols after vc resize would trigger out of lower bound of vc_origin buffer. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Wang ShaoBo <bobo.shaobowang(a)huawei.com> Acked-by: Thomas Zimmermann <tzimmermann(a)suse.de> --- drivers/video/fbdev/core/fbcon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index f5178eefec64..83a4949e2497 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -592,6 +592,8 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info, /* We can scroll screen down */ r = q - step - cols; for (cnt = rows - logo_lines; cnt > 0; cnt--) { + if (r < (unsigned short *) vc->vc_origin) + break; scr_memcpyw(r + step, r, vc->vc_size_row); r -= cols; } -- 2.22.0

2 1

[PATCH OLK-6.6 0/5] blk-ioinf: introduce inflight-based IO QoS controller
by Baokun Li 03 Nov '25

03 Nov '25

Baokun Li (5): blk-ioinf: introduce inflight-based IO QoS controller blk-ioinf: add rqos/inflight/stat debufs interface blk-ioinf: dynamically adjust inflight limit to balance workloads blk-ioinf: support percentile latency QoS for oneline workloads openeuler_defconfig: Enable CONFIG_BLK_CGROUP_IOINFLIGHT arch/arm64/configs/openeuler_defconfig | 1 + arch/x86/configs/openeuler_defconfig | 1 + block/Kconfig | 10 + block/Makefile | 1 + block/blk-ioinf.c | 1315 ++++++++++++++++++++++++ block/blk-mq-debugfs.c | 2 + block/blk-rq-qos.h | 1 + include/linux/blk-mq.h | 3 + 8 files changed, 1334 insertions(+) create mode 100644 block/blk-ioinf.c -- 2.46.1

2 6

[PATCH openEuler-1.0-LTS] mainline patch backport
by Xinyu Zheng 03 Nov '25

03 Nov '25

Huisong Li (1): ACPI: processor: idle: Fix memory leak when register cpuidle device failed Rafael J. Wysocki (1): PM: sleep: core: Clear power.must_resume in noirq suspend error path Sean Christopherson (2): x86/umip: Check that the instruction opcode is at least two bytes x86/umip: Fix decoding of register forms of 0F 01 (SGDT and SIDT aliases) arch/x86/kernel/umip.c | 15 +++++++++++++-- drivers/acpi/processor_idle.c | 3 +++ drivers/base/power/main.c | 14 +++++++++++++- 3 files changed, 29 insertions(+), 3 deletions(-) -- 2.34.1

2 8

[PATCH OLK-6.6 0/3] CVE-2025-38501
by Yongjian Sun 03 Nov '25

03 Nov '25

Namjae Jeon (3): ksmbd: limit repeated connections from clients with the same IP ksmbd: extend the connection limiting mechanism to support IPv6 ksmbd: add max ip connections parameter fs/smb/server/connection.h | 6 +++++ fs/smb/server/ksmbd_netlink.h | 5 ++-- fs/smb/server/server.h | 1 + fs/smb/server/transport_ipc.c | 3 +++ fs/smb/server/transport_tcp.c | 43 +++++++++++++++++++++++++++++++++++ 5 files changed, 56 insertions(+), 2 deletions(-) -- 2.39.2

2 4