ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. ntfs: volume version 3.1. ================================================================== BUG: KASAN: out-of-bounds in ntfs_read_folio+0x9b0/0x29d0 fs/ntfs/aops.c:489 Read of size 10 at addr ffff8880681d7170 by task syz-executor426/3543 CPU: 1 PID: 3543 Comm: syz-executor426 Not tainted 6.1.69-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189 memcpy+0x25/0x60 mm/kasan/shadow.c:65 ntfs_read_folio+0x9b0/0x29d0 fs/ntfs/aops.c:489 read_pages+0x5f2/0x830 mm/readahead.c:181 page_cache_ra_unbounded+0x68b/0x7b0 mm/readahead.c:270 page_cache_sync_readahead include/linux/pagemap.h:1215 [inline] filemap_get_pages mm/filemap.c:2636 [inline] filemap_read+0x7fa/0x31d0 mm/filemap.c:2730 __kernel_read+0x41e/0x8a0 fs/read_write.c:428 integrity_kernel_read+0xac/0xf0 security/integrity/iint.c:228 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0xa57/0x1c00 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x59a/0xc30 security/integrity/ima/ima_api.c:293 process_measurement+0x135c/0x21b0 security/integrity/ima/ima_main.c:351 ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:534 do_open fs/namei.c:3560 [inline] path_openat+0x2687/0x2e60 fs/namei.c:3715 do_filp_open+0x230/0x480 fs/namei.c:3742 do_sys_openat2+0x13b/0x500 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1345 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ffbf5b84e49 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd21a516b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffbf5bce09d RCX: 00007ffbf5b84e49 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 00000000ffffff9c RBP: 00007ffd21a516e0 R08: 000000000001ee7c R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd21a51968 R14: 0000000000000001 R15: 0000000000000001 The buggy address belongs to the physical page: page:ffffea0001a075c0 refcount:1 mapcount:1 mapping:0000000000000000 index:0x557dc5706 pfn:0x681d7 memcg:ffff88813fe10000 anon flags: 0xfff800000a0014(uptodate|lru|mappedtodisk|swapbacked|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff800000a0014 ffffea0001a07588 ffffea0001a07608 ffff888027c30001 raw: 0000000557dc5706 0000000000000000 0000000100000000 ffff88813fe10000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 3002, tgid 3002 (udevd), ts 52301405114, free_ts 52243247339 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513 prep_new_page mm/page_alloc.c:2520 [inline] get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5545 __folio_alloc+0xf/0x30 mm/page_alloc.c:5577 vma_alloc_folio+0x486/0x990 mm/mempolicy.c:2243 alloc_page_vma include/linux/gfp.h:284 [inline] wp_page_copy+0x291/0x18c0 mm/memory.c:3134 handle_pte_fault mm/memory.c:5011 [inline] __handle_mm_fault mm/memory.c:5135 [inline] handle_mm_fault+0x2525/0x5340 mm/memory.c:5256 do_user_addr_fault arch/x86/mm/fault.c:1380 [inline] handle_page_fault arch/x86/mm/fault.c:1471 [inline] exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1440 [inline] free_pcp_prepare mm/page_alloc.c:1490 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358 free_unref_page_list+0x663/0x900 mm/page_alloc.c:3499 release_pages+0x2836/0x2b40 mm/swap.c:1055 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline] tlb_flush_mmu_free mm/mmu_gather.c:254 [inline] tlb_flush_mmu+0xfc/0x210 mm/mmu_gather.c:261 tlb_finish_mmu+0xce/0x1f0 mm/mmu_gather.c:361 unmap_region+0x29f/0x2f0 mm/mmap.c:2332 do_mas_align_munmap+0xec8/0x15f0 mm/mmap.c:2582 do_mas_munmap+0x246/0x2b0 mm/mmap.c:2640 __vm_munmap+0x268/0x370 mm/mmap.c:2917 __do_sys_munmap mm/mmap.c:2942 [inline] __se_sys_munmap mm/mmap.c:2939 [inline] __x64_sys_munmap+0x5c/0x70 mm/mmap.c:2939 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff8880681d7080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880681d7100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8880681d7180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff8880681d7200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880681d7280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================