loop3: detected capacity change from 0 to 8226 ntfs3: loop3: Mark volume as dirty due to NTFS errors ntfs3: loop3: Failed to load $Extend. ================================================================== BUG: KASAN: slab-out-of-bounds in hdr_find_e+0x255/0x580 fs/ntfs3/index.c:689 Read of size 2 at addr ffff8880779c9820 by task syz-executor.3/9164 CPU: 1 PID: 9164 Comm: syz-executor.3 Not tainted 6.1.0-rc1-syzkaller-00093-g6d36c728bc2e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x1f0 mm/kasan/report.c:395 kasan_report+0xcd/0x100 mm/kasan/report.c:495 hdr_find_e+0x255/0x580 fs/ntfs3/index.c:689 indx_find+0x4ff/0xb20 fs/ntfs3/index.c:1085 dir_search_u+0x161/0x320 fs/ntfs3/dir.c:254 ntfs_lookup+0x112/0x1b0 fs/ntfs3/namei.c:83 lookup_open fs/namei.c:3391 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x10e6/0x2df0 fs/namei.c:3710 do_filp_open+0x264/0x4f0 fs/namei.c:3740 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1337 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+0x63/0xcd RIP: 0033:0x7ff6a168b5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ff6a2820168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff6a17abf80 RCX: 00007ff6a168b5a9 RDX: 000000000000275a RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007ff6a16e6580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf2f78c8f R14: 00007ff6a2820300 R15: 0000000000022000 Allocated by task 4995: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x3d/0x60 mm/kasan/common.c:52 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:325 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slab.h:737 [inline] 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+0x1cc/0x300 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:702 [inline] __kernfs_new_node+0xdb/0x730 fs/kernfs/dir.c:603 kernfs_new_node+0x95/0x160 fs/kernfs/dir.c:665 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:1043 sysfs_add_file_mode_ns+0x21d/0x330 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x508/0xde0 fs/sysfs/group.c:148 sysfs_slab_add+0x17d/0x2b0 mm/slub.c:5955 __kmem_cache_create+0x34/0x170 mm/slub.c:4915 create_cache mm/slab_common.c:229 [inline] kmem_cache_create_usercopy+0x1a6/0x340 mm/slab_common.c:335 kmem_cache_create+0xf/0x20 mm/slab_common.c:390 ext4_groupinfo_create_slab fs/ext4/mballoc.c:3262 [inline] ext4_mb_init+0x2ca/0x2500 fs/ext4/mballoc.c:3352 __ext4_fill_super fs/ext4/super.c:5438 [inline] ext4_fill_super+0x72d5/0x8610 fs/ext4/super.c:5647 get_tree_bdev+0x400/0x620 fs/super.c:1323 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 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+0x63/0xcd The buggy address belongs to the object at ffff8880779c9740 which belongs to the cache kernfs_node_cache of size 168 The buggy address is located 56 bytes to the right of 168-byte region [ffff8880779c9740, ffff8880779c97e8) The buggy address belongs to the physical page: page:ffffea0001de7240 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880779c9570 pfn:0x779c9 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea00009e6048 ffffea0001f3b3c8 ffff8880121d5c80 raw: ffff8880779c9570 000000000011000b 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 3644, tgid 3644 (syz-executor.3), ts 132460879952, free_ts 130293690838 prep_new_page mm/page_alloc.c:2538 [inline] get_page_from_freelist+0x742/0x7c0 mm/page_alloc.c:4287 __alloc_pages+0x259/0x560 mm/page_alloc.c:5554 alloc_slab_page+0x70/0xf0 mm/slub.c:1794 allocate_slab+0x5e/0x4b0 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0x782/0xe20 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x24c/0x300 mm/slub.c:3422 kmem_cache_zalloc include/linux/slab.h:702 [inline] __kernfs_new_node+0xdb/0x730 fs/kernfs/dir.c:603 kernfs_new_node+0x95/0x160 fs/kernfs/dir.c:665 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:1043 sysfs_add_file_mode_ns+0x21d/0x330 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x508/0xde0 fs/sysfs/group.c:148 netdev_queue_add_kobject net/core/net-sysfs.c:1672 [inline] netdev_queue_update_kobjects+0x22e/0x4c0 net/core/net-sysfs.c:1718 register_queue_kobjects net/core/net-sysfs.c:1779 [inline] netdev_register_kobject+0x263/0x310 net/core/net-sysfs.c:2019 register_netdevice+0x1043/0x1790 net/core/dev.c:10057 veth_newlink+0x66e/0xd10 drivers/net/veth.c:1764 rtnl_newlink_create net/core/rtnetlink.c:3364 [inline] __rtnl_newlink net/core/rtnetlink.c:3581 [inline] rtnl_newlink+0x147d/0x1fa0 net/core/rtnetlink.c:3594 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1458 [inline] free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1508 free_unref_page_prepare mm/page_alloc.c:3386 [inline] free_unref_page+0x7d/0x5f0 mm/page_alloc.c:3482 free_slab mm/slub.c:2031 [inline] discard_slab mm/slub.c:2037 [inline] __unfreeze_partials+0x1ab/0x200 mm/slub.c:2586 put_cpu_partial+0x106/0x170 mm/slub.c:2662 qlist_free_all+0x2b/0x70 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x169/0x180 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:302 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slab.h:737 [inline] slab_alloc_node mm/slub.c:3398 [inline] __kmem_cache_alloc_node+0x1d7/0x310 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0x9e/0x1a0 mm/slab_common.c:968 kmalloc include/linux/slab.h:581 [inline] tomoyo_add_entry security/tomoyo/common.c:2022 [inline] tomoyo_supervisor+0xf4d/0x14f0 security/tomoyo/common.c:2094 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline] tomoyo_path_permission+0x245/0x360 security/tomoyo/file.c:587 tomoyo_check_open_permission+0x323/0x460 security/tomoyo/file.c:780 security_file_open+0x50/0x560 security/security.c:1648 do_dentry_open+0x306/0x11b0 fs/open.c:869 do_open fs/namei.c:3557 [inline] path_openat+0x25fc/0x2df0 fs/namei.c:3713 do_filp_open+0x264/0x4f0 fs/namei.c:3740 Memory state around the buggy address: ffff8880779c9700: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 ffff8880779c9780: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc >ffff8880779c9800: fc fc fc fc fc fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880779c9880: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc ffff8880779c9900: fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================