ntfs: (device loop0): check_windows_hibernation_status(): Failed to find inode number for hiberfil.sys. ntfs: (device loop0): load_system_files(): Failed to determine if Windows is hibernated. Will not be able to remount read-write. Run chkdsk. ntfs: (device loop0): map_mft_record_page(): Attempt to read mft record 0x10000, which is beyond the end of the mft. This is probably a bug in the ntfs driver. ntfs: (device loop0): map_mft_record(): Failed with error code 2. ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_filldir fs/ntfs/dir.c:1034 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_readdir+0x2fd3/0x37f0 fs/ntfs/dir.c:1213 Read of size 1 at addr ffff8880b3f10971 by task syz-executor223/7964 CPU: 0 PID: 7964 Comm: syz-executor223 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252 kasan_report_error.cold+0x8a/0x191 mm/kasan/report.c:351 kasan_report mm/kasan/report.c:409 [inline] __asan_report_load1_noabort+0x68/0x70 mm/kasan/report.c:427 ntfs_filldir fs/ntfs/dir.c:1034 [inline] ntfs_readdir+0x2fd3/0x37f0 fs/ntfs/dir.c:1213 iterate_dir+0x478/0x5e0 fs/readdir.c:54 SYSC_getdents64 fs/readdir.c:358 [inline] SyS_getdents64+0x125/0x230 fs/readdir.c:339 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fd4c153a789 RSP: 002b:00007ffca8591da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4c153a789 RDX: 0000000000000098 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007fd4c14fa020 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000001e706 R11: 0000000000000246 R12: 00007fd4c14fa0b0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 7964: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x15a/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] ntfs_readdir+0x37d/0x37f0 fs/ntfs/dir.c:1175 iterate_dir+0x478/0x5e0 fs/readdir.c:54 SYSC_getdents64 fs/readdir.c:358 [inline] SyS_getdents64+0x125/0x230 fs/readdir.c:339 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 Freed by task 17: save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kfree+0xc9/0x250 mm/slab.c:3815 __d_free_external+0x3f/0x60 fs/dcache.c:289 __rcu_reclaim kernel/rcu/rcu.h:195 [inline] rcu_do_batch kernel/rcu/tree.c:2699 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline] rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 The buggy address belongs to the object at ffff8880b3f10900 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 49 bytes to the right of 64-byte region [ffff8880b3f10900, ffff8880b3f10940) The buggy address belongs to the page: page:ffffea0002cfc400 count:1 mapcount:0 mapping:ffff8880b3f10000 index:0x0 flags: 0xfff00000000100(slab) raw: 00fff00000000100 ffff8880b3f10000 0000000000000000 0000000100000020 raw: ffffea0002a77620 ffffea0002598ea0 ffff88813fe74340 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8880b3f10800: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ffff8880b3f10880: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff8880b3f10900: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc ^ ffff8880b3f10980: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ffff8880b3f10a00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ==================================================================