loop5: detected capacity change from 0 to 4096 ntfs3: loop5: Different NTFS' sector size (1024) and media sector size (512) ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:182 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x438/0x570 fs/ntfs3/xattr.c:710 Read of size 1 at addr ffff88801d723a3d by task syz-executor.5/14281 CPU: 1 PID: 14281 Comm: syz-executor.5 Not tainted 6.1.0-rc8-syzkaller-00014-g8ed710da2873 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x220 mm/kasan/report.c:395 kasan_report+0x139/0x170 mm/kasan/report.c:495 ntfs_list_ea fs/ntfs3/xattr.c:182 [inline] ntfs_listxattr+0x438/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804 path_listxattr fs/xattr.c:828 [inline] __do_sys_llistxattr fs/xattr.c:846 [inline] __se_sys_llistxattr fs/xattr.c:843 [inline] __x64_sys_llistxattr+0x174/0x230 fs/xattr.c:843 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f127288c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007f12734fc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000c3 RAX: ffffffffffffffda RBX: 00007f12729abf80 RCX: 00007f127288c0d9 RDX: 00000000000000fc RSI: 0000000020000100 RDI: 00000000200000c0 RBP: 00007f12728e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe8cd8c1df R14: 00007f12734fc300 R15: 0000000000022000 Allocated by task 14281: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0xaf/0x1a0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] ntfs_read_ea+0x437/0x820 fs/ntfs3/xattr.c:110 ntfs_list_ea fs/ntfs3/xattr.c:168 [inline] ntfs_listxattr+0x184/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804 path_listxattr fs/xattr.c:828 [inline] __do_sys_llistxattr fs/xattr.c:846 [inline] __se_sys_llistxattr fs/xattr.c:843 [inline] __x64_sys_llistxattr+0x174/0x230 fs/xattr.c:843 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff88801d723a00 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 61 bytes inside of 64-byte region [ffff88801d723a00, ffff88801d723a40) The buggy address belongs to the physical page: page:ffffea000075c8c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88801d723780 pfn:0x1d723 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea0001fb4ac0 dead000000000004 ffff888012841640 raw: ffff88801d723780 000000008020001c 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 0x112c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 14049, tgid 14049 (syz-executor.0), ts 857241140910, free_ts 857237446736 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x72b/0x7a0 mm/page_alloc.c:4291 __alloc_pages+0x259/0x560 mm/page_alloc.c:5558 alloc_slab_page+0xbd/0x190 mm/slub.c:1794 allocate_slab+0x5e/0x4b0 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0x7f4/0xeb0 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x252/0x310 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:558 [inline] kzalloc include/linux/slab.h:689 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x5ae/0x5f0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x22f/0x490 security/tomoyo/file.c:771 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+0x260e/0x2e00 fs/namei.c:3714 do_filp_open+0x275/0x500 fs/namei.c:3741 do_sys_openat2+0x13b/0x500 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 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1459 [inline] free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1509 free_unref_page_prepare mm/page_alloc.c:3387 [inline] free_unref_page+0x7d/0x630 mm/page_alloc.c:3483 __vunmap+0x867/0x9d0 mm/vmalloc.c:2713 free_work+0x66/0x90 mm/vmalloc.c:97 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Memory state around the buggy address: ffff88801d723900: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88801d723980: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff88801d723a00: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff88801d723a80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88801d723b00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ==================================================================