ntfs3: loop1: Different NTFS' sector size (1024) and media sector size (512) ================================================================== BUG: KASAN: stack-out-of-bounds in truncate_inode_pages_range+0xb4/0xf10 mm/truncate.c:335 Write of size 128 at addr ffff80001fbd7520 by task syz-executor.1/9078 CPU: 1 PID: 9078 Comm: syz-executor.1 Not tainted 6.1.55-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x174/0x4c0 mm/kasan/report.c:395 kasan_report+0xd4/0x130 mm/kasan/report.c:495 kasan_check_range+0x264/0x2a4 mm/kasan/generic.c:189 memset+0x40/0x70 mm/kasan/shadow.c:44 truncate_inode_pages_range+0xb4/0xf10 mm/truncate.c:335 truncate_inode_pages mm/truncate.c:452 [inline] truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:487 ntfs_evict_inode+0x24/0xc8 fs/ntfs3/inode.c:1762 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1789 [inline] iput+0x7c0/0x8a4 fs/inode.c:1815 ntfs_fill_super+0x32d8/0x3a04 fs/ntfs3/super.c:1190 get_tree_bdev+0x360/0x54c fs/super.c:1355 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1359 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x25c/0x8c4 fs/namespace.c:3040 path_mount+0x590/0xe58 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 The buggy address belongs to stack of task syz-executor.1/9078 and is located at offset 32 in frame: folio_flags include/linux/page-flags.h:319 [inline] folio_test_head include/linux/page-flags.h:788 [inline] folio_test_large include/linux/page-flags.h:809 [inline] folio_nr_pages include/linux/mm.h:1672 [inline] truncate_inode_pages_range+0x0/0xf10 mm/truncate.c:277 This frame has 2 objects: [32, 160) 'fbatch' [192, 312) 'indices' The buggy address belongs to the virtual mapping at [ffff80001fbd0000, ffff80001fbd9000) created by: copy_process+0x530/0x38d0 kernel/fork.c:2098 The buggy address belongs to the physical page: page:00000000e91b6e25 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1127fc memcg:ffff0000ded8ff02 flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff ffff0000ded8ff02 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff80001fbd7400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff80001fbd7480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff80001fbd7500: f1 f1 f1 f1 00 00 00 00 00 00 00 00 00 00 00 f3 ^ ffff80001fbd7580: 00 00 00 00 f2 f2 f2 f2 00 00 00 00 00 00 00 00 ffff80001fbd7600: 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 ================================================================== ntfs3: loop1: Mark volume as dirty due to NTFS errors ntfs3: loop1: ino=0, ntfs_iget5 ntfs3: loop1: MFT: r=0, expect seq=5 instead of 1! ntfs3: loop1: ino=1f, "file2" failed to open parent directory r=0 to update