Hi Martin, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on f2fs/dev-test] [also build test WARNING on v4.20-rc7 next-20181221] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Martin-Blumenstingl/f2fs-fix-sanity_check_raw_super-on-big-endian-machines/20181222-142616 base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test config: i386-randconfig-a3-12211242 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): fs/f2fs/super.c: In function 'sanity_check_raw_super': >> fs/f2fs/super.c:2499:4: warning: format '%u' expects argument of type >> 'unsigned int', but argument 5 has type '__le64' [-Wformat=] segment_count, le64_to_cpu(raw_super->block_count)); ^ vim +2499 fs/f2fs/super.c 2382 2383 static int sanity_check_raw_super(struct f2fs_sb_info *sbi, 2384 struct buffer_head *bh) 2385 { 2386 block_t segment_count, segs_per_sec, secs_per_zone; 2387 block_t total_sections, blocks_per_seg; 2388 struct f2fs_super_block *raw_super = (struct f2fs_super_block *) 2389 (bh->b_data + F2FS_SUPER_OFFSET); 2390 struct super_block *sb = sbi->sb; 2391 unsigned int blocksize; 2392 size_t crc_offset = 0; 2393 __u32 crc = 0; 2394 2395 /* Check checksum_offset and crc in superblock */ 2396 if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) { 2397 crc_offset = le32_to_cpu(raw_super->checksum_offset); 2398 if (crc_offset != 2399 offsetof(struct f2fs_super_block, crc)) { 2400 f2fs_msg(sb, KERN_INFO, 2401 "Invalid SB checksum offset: %zu", 2402 crc_offset); 2403 return 1; 2404 } 2405 crc = le32_to_cpu(raw_super->crc); 2406 if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) { 2407 f2fs_msg(sb, KERN_INFO, 2408 "Invalid SB checksum value: %u", crc); 2409 return 1; 2410 } 2411 } 2412 2413 if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) { 2414 f2fs_msg(sb, KERN_INFO, 2415 "Magic Mismatch, valid(0x%x) - read(0x%x)", 2416 F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); 2417 return 1; 2418 } 2419 2420 /* Currently, support only 4KB page cache size */ 2421 if (F2FS_BLKSIZE != PAGE_SIZE) { 2422 f2fs_msg(sb, KERN_INFO, 2423 "Invalid page_cache_size (%lu), supports only 4KB\n", 2424 PAGE_SIZE); 2425 return 1; 2426 } 2427 2428 /* Currently, support only 4KB block size */ 2429 blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); 2430 if (blocksize != F2FS_BLKSIZE) { 2431 f2fs_msg(sb, KERN_INFO, 2432 "Invalid blocksize (%u), supports only 4KB\n", 2433 blocksize); 2434 return 1; 2435 } 2436 2437 /* check log blocks per segment */ 2438 if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) { 2439 f2fs_msg(sb, KERN_INFO, 2440 "Invalid log blocks per segment (%u)\n", 2441 le32_to_cpu(raw_super->log_blocks_per_seg)); 2442 return 1; 2443 } 2444 2445 /* Currently, support 512/1024/2048/4096 bytes sector size */ 2446 if (le32_to_cpu(raw_super->log_sectorsize) > 2447 F2FS_MAX_LOG_SECTOR_SIZE || 2448 le32_to_cpu(raw_super->log_sectorsize) < 2449 F2FS_MIN_LOG_SECTOR_SIZE) { 2450 f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize (%u)", 2451 le32_to_cpu(raw_super->log_sectorsize)); 2452 return 1; 2453 } 2454 if (le32_to_cpu(raw_super->log_sectors_per_block) + 2455 le32_to_cpu(raw_super->log_sectorsize) != 2456 F2FS_MAX_LOG_SECTOR_SIZE) { 2457 f2fs_msg(sb, KERN_INFO, 2458 "Invalid log sectors per block(%u) log sectorsize(%u)", 2459 le32_to_cpu(raw_super->log_sectors_per_block), 2460 le32_to_cpu(raw_super->log_sectorsize)); 2461 return 1; 2462 } 2463 2464 segment_count = le32_to_cpu(raw_super->segment_count); 2465 segs_per_sec = le32_to_cpu(raw_super->segs_per_sec); 2466 secs_per_zone = le32_to_cpu(raw_super->secs_per_zone); 2467 total_sections = le32_to_cpu(raw_super->section_count); 2468 2469 /* blocks_per_seg should be 512, given the above check */ 2470 blocks_per_seg = 1 << le32_to_cpu(raw_super->log_blocks_per_seg); 2471 2472 if (segment_count > F2FS_MAX_SEGMENT || 2473 segment_count < F2FS_MIN_SEGMENTS) { 2474 f2fs_msg(sb, KERN_INFO, 2475 "Invalid segment count (%u)", 2476 segment_count); 2477 return 1; 2478 } 2479 2480 if (total_sections > segment_count || 2481 total_sections < F2FS_MIN_SEGMENTS || 2482 segs_per_sec > segment_count || !segs_per_sec) { 2483 f2fs_msg(sb, KERN_INFO, 2484 "Invalid segment/section count (%u, %u x %u)", 2485 segment_count, total_sections, segs_per_sec); 2486 return 1; 2487 } 2488 2489 if ((segment_count / segs_per_sec) < total_sections) { 2490 f2fs_msg(sb, KERN_INFO, 2491 "Small segment_count (%u < %u * %u)", 2492 segment_count, segs_per_sec, total_sections); 2493 return 1; 2494 } 2495 2496 if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) { 2497 f2fs_msg(sb, KERN_INFO, 2498 "Wrong segment_count / block_count (%u > %u)", > 2499 segment_count, > le64_to_cpu(raw_super->block_count)); 2500 return 1; 2501 } 2502 2503 if (secs_per_zone > total_sections || !secs_per_zone) { 2504 f2fs_msg(sb, KERN_INFO, 2505 "Wrong secs_per_zone / total_sections (%u, %u)", 2506 secs_per_zone, total_sections); 2507 return 1; 2508 } 2509 if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION || 2510 raw_super->hot_ext_count > F2FS_MAX_EXTENSION || 2511 (le32_to_cpu(raw_super->extension_count) + 2512 raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) { 2513 f2fs_msg(sb, KERN_INFO, 2514 "Corrupted extension count (%u + %u > %u)", 2515 le32_to_cpu(raw_super->extension_count), 2516 raw_super->hot_ext_count, 2517 F2FS_MAX_EXTENSION); 2518 return 1; 2519 } 2520 2521 if (le32_to_cpu(raw_super->cp_payload) > 2522 (blocks_per_seg - F2FS_CP_PACKS)) { 2523 f2fs_msg(sb, KERN_INFO, 2524 "Insane cp_payload (%u > %u)", 2525 le32_to_cpu(raw_super->cp_payload), 2526 blocks_per_seg - F2FS_CP_PACKS); 2527 return 1; 2528 } 2529 2530 /* check reserved ino info */ 2531 if (le32_to_cpu(raw_super->node_ino) != 1 || 2532 le32_to_cpu(raw_super->meta_ino) != 2 || 2533 le32_to_cpu(raw_super->root_ino) != 3) { 2534 f2fs_msg(sb, KERN_INFO, 2535 "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)", 2536 le32_to_cpu(raw_super->node_ino), 2537 le32_to_cpu(raw_super->meta_ino), 2538 le32_to_cpu(raw_super->root_ino)); 2539 return 1; 2540 } 2541 2542 /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ 2543 if (sanity_check_area_boundary(sbi, bh)) 2544 return 1; 2545 2546 return 0; 2547 } 2548 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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