loop4: detected capacity change from 0 to 4096 ntfs: volume version 3.1. ================================================================== BUG: KASAN: slab-out-of-bounds in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: slab-out-of-bounds in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] BUG: KASAN: slab-out-of-bounds in NInoAttr fs/ntfs/inode.h:200 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_test_inode+0x7b/0x2e0 fs/ntfs/inode.c:55 Read of size 8 at addr ffff88804b4966c0 by task syz-executor.4/6589 CPU: 0 PID: 6589 Comm: syz-executor.4 Not tainted 5.15.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb 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 kasan_check_range+0x27e/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] NInoAttr fs/ntfs/inode.h:200 [inline] ntfs_test_inode+0x7b/0x2e0 fs/ntfs/inode.c:55 find_inode+0x16b/0x430 fs/inode.c:834 ilookup5_nowait fs/inode.c:1344 [inline] ilookup5+0x9d/0x1f0 fs/inode.c:1373 iget5_locked+0x33/0x260 fs/inode.c:1154 ntfs_iget+0xc0/0x190 fs/ntfs/inode.c:168 load_system_files+0x3f8e/0x5700 fs/ntfs/super.c:1974 ntfs_fill_super+0x1c7f/0x2e20 fs/ntfs/super.c:2894 mount_bdev+0x26d/0x3a0 fs/super.c:1378 legacy_get_tree+0xeb/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1508 do_new_mount+0x28b/0xad0 fs/namespace.c:2994 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522 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+0x61/0xcb RIP: 0033:0x7fbd7836b69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbd768dbf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001f1ba RCX: 00007fbd7836b69a RDX: 000000002001f1c0 RSI: 000000002001f200 RDI: 00007fbd768dbfe0 RBP: 00007fbd768dc020 R08: 00007fbd768dc020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f1c0 R13: 000000002001f200 R14: 00007fbd768dbfe0 R15: 00000000200000c0 Allocated by task 3721: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8e/0xc0 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x53/0x380 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0xf3/0x280 mm/slub.c:3233 ntfs_alloc_inode+0x17/0x70 fs/ntfs3/super.c:403 alloc_inode fs/inode.c:236 [inline] iget5_locked+0x9c/0x260 fs/inode.c:1157 ntfs_iget5+0xc3/0x3760 fs/ntfs3/inode.c:510 dir_search_u+0x2f6/0x390 fs/ntfs3/dir.c:264 ntfs_extend_init+0x2f4/0x530 fs/ntfs3/fsntfs.c:232 ntfs_fill_super+0x40b9/0x4450 fs/ntfs3/super.c:1238 get_tree_bdev+0x3fe/0x620 fs/super.c:1303 vfs_get_tree+0x88/0x270 fs/super.c:1508 do_new_mount+0x28b/0xad0 fs/namespace.c:2994 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522 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+0x61/0xcb Last potentially related work creation: kasan_save_stack+0x36/0x60 mm/kasan/common.c:38 kasan_record_aux_stack+0xba/0x100 mm/kasan/generic.c:348 __call_rcu kernel/rcu/tree.c:2993 [inline] call_rcu+0x1c4/0xa70 kernel/rcu/tree.c:3073 destroy_inode fs/inode.c:286 [inline] evict+0x542/0x620 fs/inode.c:602 put_ntfs+0x160/0x2b0 fs/ntfs3/super.c:456 ntfs_fill_super+0xe38/0x4450 fs/ntfs3/super.c:1280 get_tree_bdev+0x3fe/0x620 fs/super.c:1303 vfs_get_tree+0x88/0x270 fs/super.c:1508 do_new_mount+0x28b/0xad0 fs/namespace.c:2994 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522 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+0x61/0xcb The buggy address belongs to the object at ffff88804b495fe0 which belongs to the cache ntfs_inode_cache of size 1760 The buggy address is located 0 bytes to the right of 1760-byte region [ffff88804b495fe0, ffff88804b4966c0) The buggy address belongs to the page: page:ffffea00012d2400 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88804b496ea0 pfn:0x4b490 head:ffffea00012d2400 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff88801f4b1001 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 0000000000000000 0000000100000001 ffff888146440500 raw: ffff88804b496ea0 0000000080110001 00000001ffffffff ffff88801f4b1001 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 3721, ts 116858732780, free_ts 9518915524 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:5421 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab mm/slub.c:1912 [inline] new_slab+0xbb/0x4b0 mm/slub.c:1975 ___slab_alloc+0x6f6/0xe10 mm/slub.c:3008 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x18e/0x280 mm/slub.c:3233 ntfs_alloc_inode+0x17/0x70 fs/ntfs3/super.c:403 alloc_inode fs/inode.c:236 [inline] iget5_locked+0x9c/0x260 fs/inode.c:1157 ntfs_iget5+0xc3/0x3760 fs/ntfs3/inode.c:510 ntfs_fill_super+0x1c7c/0x4450 fs/ntfs3/super.c:941 get_tree_bdev+0x3fe/0x620 fs/super.c:1303 vfs_get_tree+0x88/0x270 fs/super.c:1508 do_new_mount+0x28b/0xad0 fs/namespace.c:2994 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522 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+0x61/0xcb 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+0x95/0x2d0 mm/page_alloc.c:3396 free_contig_range+0x95/0xf0 mm/page_alloc.c:9340 destroy_args+0xfe/0x97f mm/debug_vm_pgtable.c:1018 debug_vm_pgtable+0x40d/0x462 mm/debug_vm_pgtable.c:1331 do_one_initcall+0x22b/0x7a0 init/main.c:1306 do_initcall_level+0x157/0x207 init/main.c:1379 do_initcalls+0x49/0x86 init/main.c:1395 kernel_init_freeable+0x43c/0x5c5 init/main.c:1619 kernel_init+0x19/0x290 init/main.c:1510 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Memory state around the buggy address: ffff88804b496580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88804b496600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88804b496680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff88804b496700: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 ffff88804b496780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================