ntfs: (device loop5): 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. ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] BUG: KASAN: use-after-free in NInoAttr fs/ntfs/inode.h:200 [inline] BUG: KASAN: use-after-free in ntfs_test_inode+0x7b/0x2e0 fs/ntfs/inode.c:55 Read of size 8 at addr ffff8880448b3fb0 by task syz-executor.5/22252 CPU: 1 PID: 22252 Comm: syz-executor.5 Not tainted 5.15.104-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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+0x2f27/0x5700 fs/ntfs/super.c:1847 ntfs_fill_super+0x1c7f/0x2e20 fs/ntfs/super.c:2894 mount_bdev+0x26d/0x3a0 fs/super.c:1369 legacy_get_tree+0xeb/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1499 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: 0033:0x7fc711b4962a 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:00007fc7100b9f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001ee23 RCX: 00007fc711b4962a RDX: 0000000020000000 RSI: 000000002001ee80 RDI: 00007fc7100b9fe0 RBP: 00007fc7100ba020 R08: 00007fc7100ba020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 000000002001ee80 R14: 00007fc7100b9fe0 R15: 00000000200002c0 Allocated by task 20255: 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 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2644 [inline] f2fs_alloc_inode+0x15d/0x5b0 fs/f2fs/super.c:1350 alloc_inode fs/inode.c:236 [inline] iget_locked+0x194/0x7f0 fs/inode.c:1202 f2fs_iget+0x52/0x49c0 fs/f2fs/inode.c:489 f2fs_fill_super+0x6484/0x8350 fs/f2fs/super.c:4231 mount_bdev+0x26d/0x3a0 fs/super.c:1369 legacy_get_tree+0xeb/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1499 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 f2fs_fill_super+0x6907/0x8350 fs/f2fs/super.c:4414 mount_bdev+0x26d/0x3a0 fs/super.c:1369 legacy_get_tree+0xeb/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1499 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 ffff8880448b3900 which belongs to the cache f2fs_inode_cache of size 2304 The buggy address is located 1712 bytes inside of 2304-byte region [ffff8880448b3900, ffff8880448b4200) The buggy address belongs to the page: page:ffffea0001122c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880448b5580 pfn:0x448b0 head:ffffea0001122c00 order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff888055410f01 flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffffea000112e800 0000000300000003 ffff888146a9fa00 raw: ffff8880448b5580 00000000800d0002 00000001ffffffff ffff888055410f01 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 20243, ts 1326199399094, free_ts 1263470066985 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 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2644 [inline] f2fs_alloc_inode+0x15d/0x5b0 fs/f2fs/super.c:1350 alloc_inode fs/inode.c:236 [inline] new_inode_pseudo+0x60/0x210 fs/inode.c:937 new_inode+0x25/0x1d0 fs/inode.c:966 f2fs_new_inode+0x117/0x1150 fs/f2fs/namei.c:35 f2fs_create+0x161/0x14a0 fs/f2fs/namei.c:357 lookup_open fs/namei.c:3392 [inline] open_last_lookups fs/namei.c:3462 [inline] path_openat+0x12f6/0x2f20 fs/namei.c:3669 do_filp_open+0x21c/0x460 fs/namei.c:3699 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_creat fs/open.c:1301 [inline] __se_sys_creat fs/open.c:1295 [inline] __x64_sys_creat+0x11f/0x160 fs/open.c:1295 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_slab mm/slub.c:2015 [inline] discard_slab mm/slub.c:2021 [inline] __unfreeze_partials+0x1b7/0x210 mm/slub.c:2507 put_cpu_partial+0x132/0x1a0 mm/slub.c:2587 do_slab_free mm/slub.c:3487 [inline] ___cache_free+0xe3/0x100 mm/slub.c:3506 qlist_free_all+0x36/0x90 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x162/0x180 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444 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 getname_flags+0xb8/0x4e0 fs/namei.c:138 user_path_at_empty+0x2a/0x180 fs/namei.c:2852 do_readlinkat+0x114/0x3a0 fs/stat.c:442 __do_sys_readlink fs/stat.c:475 [inline] __se_sys_readlink fs/stat.c:472 [inline] __x64_sys_readlink+0x7b/0x90 fs/stat.c:472 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 Memory state around the buggy address: ffff8880448b3e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880448b3f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8880448b3f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880448b4000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880448b4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================