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+0xe8d/0x3200 fs/ntfs/dir.c:292 Read of size 8 at addr ffff88807015555a by task syz-executor.0/3948 CPU: 0 PID: 3948 Comm: syz-executor.0 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_address_description+0x63/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0x16b/0x1c0 mm/kasan/report.c:451 sle64_to_cpup fs/ntfs/endian.h:46 [inline] ntfs_lookup_inode_by_name+0xe8d/0x3200 fs/ntfs/dir.c:292 check_windows_hibernation_status+0xfc/0x6f0 fs/ntfs/super.c:1274 load_system_files+0x4041/0x5700 fs/ntfs/super.c:1989 ntfs_fill_super+0x1c7f/0x2e20 fs/ntfs/super.c:2894 mount_bdev+0x2c9/0x3f0 fs/super.c:1398 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1528 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f6f6751805a 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:00007f6f66897ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6f66897f80 RCX: 00007f6f6751805a RDX: 000000002001ec80 RSI: 000000002001ecc0 RDI: 00007f6f66897f40 RBP: 000000002001ec80 R08: 00007f6f66897f80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000002001ecc0 R13: 00007f6f66897f40 R14: 000000000001ec6a R15: 000000002001ed00 The buggy address belongs to the page: page:ffffea0001c05540 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x70155 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea0001c054c8 ffffea0001c05388 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 0x1100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), pid 3727, ts 54550317395, free_ts 54776365940 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159 __alloc_pages+0x272/0x700 mm/page_alloc.c:5423 alloc_pages_vma+0x39a/0x800 mm/mempolicy.c:2146 do_anonymous_page mm/memory.c:3808 [inline] handle_pte_fault mm/memory.c:4618 [inline] __handle_mm_fault mm/memory.c:4755 [inline] handle_mm_fault+0x2f49/0x5960 mm/memory.c:4853 do_user_addr_fault arch/x86/mm/fault.c:1357 [inline] handle_page_fault arch/x86/mm/fault.c:1445 [inline] exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0xc34/0xcf0 mm/page_alloc.c:3317 free_unref_page_list+0x1f7/0x8e0 mm/page_alloc.c:3433 release_pages+0x1bb9/0x1f40 mm/swap.c:963 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338 unmap_region+0x304/0x350 mm/mmap.c:2668 __do_munmap+0x12db/0x1740 mm/mmap.c:2899 __vm_munmap+0x134/0x230 mm/mmap.c:2922 __do_sys_munmap mm/mmap.c:2948 [inline] __se_sys_munmap mm/mmap.c:2944 [inline] __x64_sys_munmap+0x67/0x70 mm/mmap.c:2944 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888070155400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888070155480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff888070155500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888070155580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888070155600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================