ntfs: (device loop3): 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: (device loop3): parse_options(): Invalid mft_zone_multiplier. Using default value, i.e. 1. ================================================================== BUG: KASAN: use-after-free in generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] BUG: KASAN: use-after-free in NInoAttr fs/ntfs/inode.h:200 [inline] BUG: KASAN: use-after-free in ntfs_test_inode+0x8c/0x29c fs/ntfs/inode.c:55 Read of size 8 at addr ffff0000f8e1ded0 by task syz.3.1595/12795 CPU: 0 PID: 12795 Comm: syz.3.1595 Not tainted 6.1.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x88/0x220 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:427 kasan_report+0xa8/0x100 mm/kasan/report.c:531 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] NInoAttr fs/ntfs/inode.h:200 [inline] ntfs_test_inode+0x8c/0x29c fs/ntfs/inode.c:55 find_inode+0x148/0x31c fs/inode.c:960 ilookup5_nowait fs/inode.c:1515 [inline] ilookup5+0xc0/0x1e4 fs/inode.c:1544 iget5_locked+0x48/0x228 fs/inode.c:1325 ntfs_iget+0xb4/0x184 fs/ntfs/inode.c:168 load_system_files+0x2630/0x4944 fs/ntfs/super.c:1847 ntfs_fill_super+0x154c/0x2354 fs/ntfs/super.c:2892 mount_bdev+0x264/0x358 fs/super.c:1443 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3049 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3057 path_mount+0x5b4/0xe78 fs/namespace.c:3387 do_mount fs/namespace.c:3400 [inline] __do_sys_mount fs/namespace.c:3608 [inline] __se_sys_mount fs/namespace.c:3585 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3585 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Allocated by task 7353: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x28/0x34 mm/kasan/generic.c:505 __kasan_slab_alloc+0x70/0x88 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x74/0x43c mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc_lru+0x1b0/0x298 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3245 [inline] f2fs_alloc_inode+0x138/0x4b0 fs/f2fs/super.c:1419 alloc_inode fs/inode.c:261 [inline] iget_locked+0x178/0x7c4 fs/inode.c:1373 f2fs_iget+0x5c/0x472c fs/f2fs/inode.c:483 f2fs_fill_super+0x3754/0x5448 fs/f2fs/super.c:4403 mount_bdev+0x264/0x358 fs/super.c:1443 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4642 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3057 path_mount+0x5b4/0xe78 fs/namespace.c:3387 do_mount fs/namespace.c:3400 [inline] __do_sys_mount fs/namespace.c:3608 [inline] __se_sys_mount fs/namespace.c:3585 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3585 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 call_rcu+0xfc/0x948 kernel/rcu/tree.c:2845 destroy_inode fs/inode.c:316 [inline] evict+0x748/0x810 fs/inode.c:720 dispose_list fs/inode.c:738 [inline] evict_inodes+0x64c/0x6e4 fs/inode.c:792 generic_shutdown_super+0x9c/0x324 fs/super.c:480 kill_block_super+0x70/0xdc fs/super.c:1470 kill_f2fs_super+0x260/0x324 fs/f2fs/super.c:4674 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Second to last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 call_rcu+0xfc/0x948 kernel/rcu/tree.c:2845 destroy_inode fs/inode.c:316 [inline] evict+0x748/0x810 fs/inode.c:720 dispose_list fs/inode.c:738 [inline] evict_inodes+0x64c/0x6e4 fs/inode.c:792 generic_shutdown_super+0x9c/0x324 fs/super.c:480 kill_block_super+0x70/0xdc fs/super.c:1470 kill_f2fs_super+0x260/0x324 fs/f2fs/super.c:4674 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the object at ffff0000f8e1d8c0 which belongs to the cache f2fs_inode_cache of size 2144 The buggy address is located 1552 bytes inside of 2144-byte region [ffff0000f8e1d8c0, ffff0000f8e1e120) The buggy address belongs to the physical page: page:0000000033959f5d refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000f8e1c700 pfn:0x138e18 head:0000000033959f5d order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff0000cd435701 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 fffffc0003873600 dead000000000003 ffff0000c6eed680 raw: ffff0000f8e1c700 00000000800e0004 00000001ffffffff ffff0000cd435701 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000f8e1dd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000f8e1de00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff0000f8e1de80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000f8e1df00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000f8e1df80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== list_add corruption. prev->next should be next (ffff0000f8e1dff8), but was 675f693e2d696626. (prev=ffff800011ebe600). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:32! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 12795 Comm: syz.3.1595 Tainted: G B 6.1.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __list_add_valid+0x10c/0x110 lib/list_debug.c:30 lr : __list_add_valid+0x10c/0x110 lib/list_debug.c:30 sp : ffff8000216374e0 x29: ffff8000216374e0 x28: dfff800000000000 x27: ffff7000042c6eb8 x26: 0000000000000000 x25: ffff800011ebe600 x24: ffff0000f8e1e000 x23: dfff800000000000 x22: ffff0000f8e1e000 x21: ffff8000216375e0 x20: ffff800011ebe600 x19: ffff0000f8e1dff8 x18: 0000000000000000 x17: 3866666431653866 x16: ffff800008042940 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800029d7f000 x9 : 9460922d33a0df00 x8 : 9460922d33a0df00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021636fb8 x4 : ffff8000151546c0 x3 : ffff800008310dfc x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000075 Call trace: __list_add_valid+0x10c/0x110 lib/list_debug.c:30 __list_add include/linux/list.h:69 [inline] list_add_tail include/linux/list.h:102 [inline] __mutex_add_waiter kernel/locking/mutex.c:210 [inline] __mutex_lock_common+0x5c8/0x1f38 kernel/locking/mutex.c:637 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 map_mft_record+0x60/0x5f4 fs/ntfs/mft.c:154 load_system_files+0x26b4/0x4944 fs/ntfs/super.c:1855 ntfs_fill_super+0x154c/0x2354 fs/ntfs/super.c:2892 mount_bdev+0x264/0x358 fs/super.c:1443 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3049 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3057 path_mount+0x5b4/0xe78 fs/namespace.c:3387 do_mount fs/namespace.c:3400 [inline] __do_sys_mount fs/namespace.c:3608 [inline] __se_sys_mount fs/namespace.c:3585 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3585 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 91100000 aa1303e1 aa1403e3 95bec8fe (d4210000) ---[ end trace 0000000000000000 ]---