loop0: detected capacity change from 0 to 4096 ntfs: volume version 3.1. ================================================================== BUG: KASAN: use-after-free in sle64_to_cpup fs/ntfs/endian.h:46 [inline] BUG: KASAN: use-after-free in ntfs_lookup_inode_by_name+0xe82/0x2ca0 fs/ntfs/dir.c:292 Read of size 8 at addr ffff88806e56755a by task syz-executor.0/5460 CPU: 0 PID: 5460 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller-00044-g633b47cb009d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x15f/0x540 mm/kasan/report.c:475 kasan_report+0x171/0x1b0 mm/kasan/report.c:588 sle64_to_cpup fs/ntfs/endian.h:46 [inline] ntfs_lookup_inode_by_name+0xe82/0x2ca0 fs/ntfs/dir.c:292 check_windows_hibernation_status+0xec/0x4c0 fs/ntfs/super.c:1282 load_system_files+0x35d7/0x4830 fs/ntfs/super.c:1997 ntfs_fill_super+0x19af/0x2bd0 fs/ntfs/super.c:2900 mount_bdev+0x233/0x300 fs/super.c:1629 legacy_get_tree+0xeb/0x180 fs/fs_context.c:638 vfs_get_tree+0x88/0x280 fs/super.c:1750 do_new_mount+0x28b/0xae0 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe20127e05a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe20208cee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe20208cf80 RCX: 00007fe20127e05a RDX: 000000002001ec80 RSI: 000000002001ecc0 RDI: 00007fe20208cf40 RBP: 000000002001ec80 R08: 00007fe20208cf80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000002001ecc0 R13: 00007fe20208cf40 R14: 000000000001ec6a R15: 000000002001ed00 The buggy address belongs to the physical page: page:ffffea0001b959c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x6e567 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000000 ffffea0001b95a08 ffffea0001b95988 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5460, tgid 5459 (syz-executor.0), ts 80674822456, free_ts 80711261763 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1d2/0x1f0 mm/page_alloc.c:1536 prep_new_page mm/page_alloc.c:1543 [inline] get_page_from_freelist+0x31b7/0x3330 mm/page_alloc.c:3170 __alloc_pages+0x251/0x660 mm/page_alloc.c:4426 __folio_alloc+0xf/0x30 mm/page_alloc.c:4458 vma_alloc_folio+0x486/0x990 mm/mempolicy.c:2259 do_anonymous_page mm/memory.c:4110 [inline] do_pte_missing mm/memory.c:3667 [inline] handle_pte_fault mm/memory.c:4978 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x2456/0x6330 mm/memory.c:5284 do_user_addr_fault arch/x86/mm/fault.c:1364 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x4b0/0x890 arch/x86/mm/fault.c:1561 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:1136 [inline] free_unref_page_prepare+0x8ae/0x9d0 mm/page_alloc.c:2312 free_unref_page_list+0x58e/0x830 mm/page_alloc.c:2451 release_pages+0x26e2/0x2a00 mm/swap.c:1042 tlb_batch_pages_flush mm/mmu_gather.c:98 [inline] tlb_flush_mmu_free mm/mmu_gather.c:293 [inline] tlb_flush_mmu+0x348/0x4d0 mm/mmu_gather.c:300 tlb_finish_mmu+0xd0/0x1f0 mm/mmu_gather.c:392 unmap_region+0x2fc/0x350 mm/mmap.c:2318 do_vmi_align_munmap+0x121a/0x1840 mm/mmap.c:2555 do_vmi_munmap+0x249/0x2d0 mm/mmap.c:2623 __vm_munmap+0x22c/0x440 mm/mmap.c:2908 __do_sys_munmap mm/mmap.c:2925 [inline] __se_sys_munmap mm/mmap.c:2922 [inline] __x64_sys_munmap+0x5c/0x70 mm/mmap.c:2922 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff88806e567400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806e567480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88806e567500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88806e567580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88806e567600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================