ntfs: volume version 3.1. ================================================================== BUG: KASAN: slab-use-after-free in generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline] BUG: KASAN: slab-use-after-free in NInoAttr fs/ntfs/inode.h:200 [inline] BUG: KASAN: slab-use-after-free in ntfs_test_inode+0x8c/0x29c fs/ntfs/inode.c:55 Read of size 8 at addr ffff000120cd5b80 by task syz-executor.4/11330 CPU: 1 PID: 11330 Comm: syz-executor.4 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0x174/0x514 mm/kasan/report.c:475 kasan_report+0xd8/0x138 mm/kasan/report.c:588 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 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:903 ilookup5_nowait fs/inode.c:1458 [inline] ilookup5+0xc0/0x1e4 fs/inode.c:1487 iget5_locked+0x48/0x234 fs/inode.c:1268 ntfs_iget+0xcc/0x19c fs/ntfs/inode.c:168 load_and_check_logfile+0x48/0x104 fs/ntfs/super.c:1216 load_system_files+0x3260/0x4734 fs/ntfs/super.c:1949 ntfs_fill_super+0x14e0/0x2314 fs/ntfs/super.c:2900 mount_bdev+0x1e8/0x2b4 fs/super.c:1650 ntfs_mount+0x44/0x58 fs/ntfs/super.c:3057 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Allocated by task 10672: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x7c mm/kasan/common.c:52 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:511 __kasan_slab_alloc+0x74/0x8c mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook+0x90/0x498 mm/slab.h:763 slab_alloc_node mm/slub.c:3478 [inline] slab_alloc mm/slub.c:3486 [inline] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] kmem_cache_alloc_lru+0x194/0x394 mm/slub.c:3509 alloc_inode_sb include/linux/fs.h:2937 [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:1271 reiserfs_fill_super+0x1088/0x2028 fs/reiserfs/super.c:2053 mount_bdev+0x1e8/0x2b4 fs/super.c:1650 get_super_block+0x44/0x58 fs/reiserfs/super.c:2601 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1771 do_new_mount+0x25c/0x8c8 fs/namespace.c:3337 path_mount+0x590/0xe04 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3863 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Last potentially related work creation: kasan_save_stack+0x40/0x6c mm/kasan/common.c:45 __kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:492 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:502 __call_rcu_common kernel/rcu/tree.c:2681 [inline] call_rcu+0x104/0xaf4 kernel/rcu/tree.c:2795 destroy_inode fs/inode.c:316 [inline] evict+0x5fc/0x68c fs/inode.c:681 dispose_list fs/inode.c:699 [inline] evict_inodes+0x6b4/0x74c fs/inode.c:749 generic_shutdown_super+0x9c/0x2b8 fs/super.c:675 kill_block_super+0x44/0x90 fs/super.c:1667 reiserfs_kill_sb+0x134/0x14c fs/reiserfs/super.c:570 deactivate_locked_super+0xc4/0x144 fs/super.c:484 deactivate_super+0xe0/0x100 fs/super.c:517 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1256 __cleanup_mnt+0x20/0x30 fs/namespace.c:1263 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x214c/0x393c arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Second to last potentially related work creation: kasan_save_stack+0x40/0x6c mm/kasan/common.c:45 __kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:492 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:502 __call_rcu_common kernel/rcu/tree.c:2681 [inline] call_rcu+0x104/0xaf4 kernel/rcu/tree.c:2795 destroy_inode fs/inode.c:316 [inline] evict+0x5fc/0x68c fs/inode.c:681 dispose_list fs/inode.c:699 [inline] evict_inodes+0x6b4/0x74c fs/inode.c:749 generic_shutdown_super+0x9c/0x2b8 fs/super.c:675 kill_block_super+0x44/0x90 fs/super.c:1667 reiserfs_kill_sb+0x134/0x14c fs/reiserfs/super.c:570 deactivate_locked_super+0xc4/0x144 fs/super.c:484 deactivate_super+0xe0/0x100 fs/super.c:517 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1256 __cleanup_mnt+0x20/0x30 fs/namespace.c:1263 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x214c/0x393c arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 The buggy address belongs to the object at ffff000120cd5620 which belongs to the cache reiser_inode_cache of size 1568 The buggy address is located 1376 bytes inside of freed 1568-byte region [ffff000120cd5620, ffff000120cd5c40) The buggy address belongs to the physical page: page:000000007a8661c9 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff000120cd27c0 pfn:0x160cd0 head:000000007a8661c9 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff0000cbb7f001 flags: 0x5ffc00000000840(slab|head|node=0|zone=2|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 05ffc00000000840 ffff0000c2d4cdc0 dead000000000122 0000000000000000 raw: ffff000120cd27c0 000000008013000c 00000001ffffffff ffff0000cbb7f001 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff000120cd5a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff000120cd5b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff000120cd5b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff000120cd5c00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff000120cd5c80: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 ================================================================== ntfs: (device loop4): ntfs_check_logfile(): $LogFile is too small. ntfs: (device loop4): load_system_files(): Failed to load $LogFile. Will not be able to remount read-write. Mount in Windows.