loop9: detected capacity change from 0 to 4096
ntfs: volume version 3.1.
==================================================================
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 ffff0000f4f20560 by task syz.9.560/7237

CPU: 0 PID: 7237 Comm: syz.9.560 Not tainted 6.1.131-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 lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x174/0x4c0 mm/kasan/report.c:427
 kasan_report+0xd4/0x130 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+0x170/0x3b4 fs/inode.c:960
 ilookup5_nowait fs/inode.c:1515 [inline]
 ilookup5+0xc0/0x1e4 fs/inode.c:1544
 iget5_locked+0x48/0x234 fs/inode.c:1325
 ntfs_iget+0xcc/0x19c fs/ntfs/inode.c:168
 load_and_check_logfile+0x48/0x104 fs/ntfs/super.c:1208
 load_system_files+0x3260/0x4734 fs/ntfs/super.c:1941
 ntfs_fill_super+0x14e0/0x2314 fs/ntfs/super.c:2892
 mount_bdev+0x274/0x370 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+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584
 __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+0x58/0x168 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 4840:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x74/0x8c mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x74/0x458 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+0x1ac/0x2f8 mm/slub.c:3429
 alloc_inode_sb include/linux/fs.h:3245 [inline]
 reiserfs_alloc_inode+0x2c/0xc4 fs/reiserfs/super.c:642
 alloc_inode fs/inode.c:261 [inline]
 iget5_locked+0xa4/0x234 fs/inode.c:1328
 reiserfs_fill_super+0x1088/0x2028 fs/reiserfs/super.c:2053
 mount_bdev+0x274/0x370 fs/super.c:1443
 get_super_block+0x44/0x58 fs/reiserfs/super.c:2601
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584
 __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+0x58/0x168 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+0xcc/0xe8 mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496
 call_rcu+0xfc/0xa40 kernel/rcu/tree.c:2845
 destroy_inode fs/inode.c:316 [inline]
 evict+0x7ac/0x894 fs/inode.c:720
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x6dc/0x774 fs/inode.c:792
 generic_shutdown_super+0x9c/0x328 fs/super.c:480
 kill_block_super+0x70/0xdc fs/super.c:1470
 reiserfs_kill_sb+0x134/0x14c fs/reiserfs/super.c:570
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x550/0x1a84 kernel/exit.c:871
 do_group_exit+0x194/0x22c kernel/exit.c:1021
 get_signal+0x143c/0x1528 kernel/signal.c:2871
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x388/0x2cb8 arch/arm64/kernel/signal.c:1129
 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+0x9c/0x168 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 ffff0000f4f20000
 which belongs to the cache reiser_inode_cache of size 1568
The buggy address is located 1376 bytes inside of
 1568-byte region [ffff0000f4f20000, ffff0000f4f20620)

The buggy address belongs to the physical page:
page:0000000070033ab4 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff0000f4f22120 pfn:0x134f20
head:0000000070033ab4 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff0000d316e201
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c4120780
raw: ffff0000f4f22120 000000008013000d 00000001ffffffff ffff0000d316e201
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000f4f20400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000f4f20480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000f4f20500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff0000f4f20580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000f4f20600: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=000000014e223000
[0000000000000000] pgd=0800000152bbe003, p4d=0800000152bbe003, pud=0800000131405003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 7237 Comm: syz.9.560 Tainted: G    B              6.1.131-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 : 0x0
lr : filemap_read_folio+0x14c/0x39c mm/filemap.c:2489
sp : ffff8000228172e0
x29: ffff800022817370 x28: 1fffff8000802e70 x27: 1fffff8000802e71
x26: 0000000000000000 x25: dfff800000000000 x24: 0000000000000000
x23: ffff800022817320 x22: 0000000000000000 x21: fffffc0004017388
x20: 0000000000000000 x19: fffffc0004017380 x18: 0000000000000150
x17: ffff800015afd000 x16: ffff800012327ebc x15: 0000000000000002
x14: 0000000000000005 x13: ffff0000cf918000 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800036d07000 x9 : ffff8000087571ac
x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff800008781464
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008757194
x2 : 0000000000000001 x1 : fffffc0004017380 x0 : 0000000000000000
Call trace:
 0x0
 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3626
 do_read_cache_page mm/filemap.c:3668 [inline]
 read_cache_page+0x6c/0x180 mm/filemap.c:3677
 read_mapping_page include/linux/pagemap.h:791 [inline]
 ntfs_map_page fs/ntfs/aops.h:75 [inline]
 ntfs_check_logfile+0x498/0x287c fs/ntfs/logfile.c:532
 load_and_check_logfile+0x78/0x104 fs/ntfs/super.c:1215
 load_system_files+0x3260/0x4734 fs/ntfs/super.c:1941
 ntfs_fill_super+0x14e0/0x2314 fs/ntfs/super.c:2892
 mount_bdev+0x274/0x370 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+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x498/0x588 fs/namespace.c:3584
 __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+0x58/0x168 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: bad PC value
---[ end trace 0000000000000000 ]---