Hello, syzbot found the following issue on: HEAD commit: e40939bbfc68 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=15866358a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=c84f463eb74eab24 dashboard link: https://syzkaller.appspot.com/bug?extid=e295147e14b474e4ad70 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=101c2da4a80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/257596b75aaf/disk-e40939bb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9c75b8d61081/vmlinux-e40939bb.xz kernel image: https://storage.googleapis.com/syzbot-assets/8f0233129f4f/Image-e40939bb.gz.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/5b0c90b3f3a1/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e295147e14b474e4ad70@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512). ================================================================================ UBSAN: array-index-out-of-bounds in ./include/linux/pagevec.h:126:2 index 255 is out of range for type 'struct folio *[15]' CPU: 1 PID: 8246 Comm: syz-executor.0 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348 folio_batch_add include/linux/pagevec.h:126 [inline] find_lock_entries+0x8fc/0xd84 mm/filemap.c:2127 truncate_inode_pages_range+0x1b0/0xf74 mm/truncate.c:364 truncate_inode_pages mm/truncate.c:449 [inline] truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:484 ntfs_evict_inode+0x20/0x48 fs/ntfs3/inode.c:1791 evict+0x260/0x68c fs/inode.c:665 iput_final fs/inode.c:1747 [inline] iput+0x734/0x818 fs/inode.c:1773 ntfs_fill_super+0x327c/0x3990 fs/ntfs3/super.c:1267 get_tree_bdev+0x360/0x54c fs/super.c:1303 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1455 vfs_get_tree+0x90/0x274 fs/super.c:1510 do_new_mount+0x25c/0x8c4 fs/namespace.c:3039 path_mount+0x590/0xe04 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [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+0x138/0x244 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 ================================================================================ --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
