loop3: detected capacity change from 0 to 4096 ntfs3: loop3: Different NTFS' sector size (4096) and media sector size (512) ntfs3: loop3: Mark volume as dirty due to NTFS errors ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:230 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x3b2/0x5b0 fs/ntfs3/xattr.c:749 Read of size 48 at addr ffff8881427be8b0 by task syz-executor.3/6642 CPU: 0 PID: 6642 Comm: syz-executor.3 Not tainted 5.15.139-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 memcpy+0x25/0x60 mm/kasan/shadow.c:65 ntfs_list_ea fs/ntfs3/xattr.c:230 [inline] ntfs_listxattr+0x3b2/0x5b0 fs/ntfs3/xattr.c:749 vfs_listxattr fs/xattr.c:448 [inline] listxattr+0x282/0x2e0 fs/xattr.c:783 path_listxattr fs/xattr.c:807 [inline] __do_sys_listxattr fs/xattr.c:819 [inline] __se_sys_listxattr fs/xattr.c:816 [inline] __x64_sys_listxattr+0x172/0x230 fs/xattr.c:816 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: 0033:0x7f8207276ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f82057f80c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000c2 RAX: ffffffffffffffda RBX: 00007f8207395f80 RCX: 00007f8207276ae9 RDX: 00000000000000a1 RSI: 0000000020001f80 RDI: 0000000020001f40 RBP: 00007f82072c247a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8207395f80 R15: 00007fff3709a408 Allocated by task 6642: 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_kmalloc+0xba/0xf0 mm/kasan/common.c:513 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc+0x168/0x300 mm/slub.c:4407 kmalloc include/linux/slab.h:596 [inline] ntfs_read_ea+0x48a/0xa00 fs/ntfs3/xattr.c:117 ntfs_list_ea fs/ntfs3/xattr.c:202 [inline] ntfs_listxattr+0x179/0x5b0 fs/ntfs3/xattr.c:749 vfs_listxattr fs/xattr.c:448 [inline] listxattr+0x282/0x2e0 fs/xattr.c:783 path_listxattr fs/xattr.c:807 [inline] __do_sys_listxattr fs/xattr.c:819 [inline] __se_sys_listxattr fs/xattr.c:816 [inline] __x64_sys_listxattr+0x172/0x230 fs/xattr.c:816 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 ffff8881427be880 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 48 bytes inside of 64-byte region [ffff8881427be880, ffff8881427be8c0) The buggy address belongs to the page: page:ffffea000509ef80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1427be flags: 0x57ff00000000200(slab|node=1|zone=2|lastcpupid=0x7ff) raw: 057ff00000000200 ffffea0001db5200 0000001300000013 ffff888011c41640 raw: 0000000000000000 0000000080200020 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 1, ts 2279531023, free_ts 0 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_page_interleave+0x22/0x1c0 mm/mempolicy.c:2031 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_trace+0x1a0/0x290 mm/slub.c:3245 kmalloc include/linux/slab.h:591 [inline] kzalloc include/linux/slab.h:721 [inline] add_sysfs_param+0x4c4/0x7f0 kernel/params.c:638 kernel_add_sysfs_param+0xb0/0x126 kernel/params.c:812 param_sysfs_builtin+0x16a/0x1e2 kernel/params.c:851 param_sysfs_init+0x66/0x6a kernel/params.c:970 do_one_initcall+0x22b/0x7a0 init/main.c:1295 do_initcall_level+0x157/0x207 init/main.c:1368 do_initcalls+0x49/0x86 init/main.c:1384 kernel_init_freeable+0x425/0x5b5 init/main.c:1608 kernel_init+0x19/0x290 init/main.c:1499 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 page_owner free stack trace missing Memory state around the buggy address: ffff8881427be780: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ffff8881427be800: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc >ffff8881427be880: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff8881427be900: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ffff8881427be980: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ==================================================================