memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5019 'syz-executor322' loop0: detected capacity change from 0 to 4096 ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. ================================================================================ UBSAN: shift-out-of-bounds in fs/ntfs/inode.c:1080:43 shift exponent 267 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 5019 Comm: syz-executor322 Not tainted 6.5.0-rc1-syzkaller-00006-g3f01e9fed845 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 lib/ubsan.c:387 ntfs_read_locked_inode.cold+0x1b/0x5c fs/ntfs/inode.c:1080 ntfs_read_inode_mount+0xe55/0x2670 fs/ntfs/inode.c:2098 ntfs_fill_super+0x189c/0x93f0 fs/ntfs/super.c:2863 mount_bdev+0x315/0x3e0 fs/super.c:1391 legacy_get_tree+0x109/0x220 fs/fs_context.c:611 vfs_get_tree+0x8d/0x350 fs/super.c:1519 do_new_mount fs/namespace.c:3335 [inline] path_mount+0x136e/0x1e70 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6b1deb4f9a Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd6b0d4088 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6b1deb4f9a RDX: 0000000020000000 RSI: 000000002001ee80 RDI: 00007ffd6b0d40a0 RBP: 00007ffd6b0d40a0 R08: 00007ffd6b0d40e0 R09: 00007ffd6b0d40f0 R10: 0000000000800804 R11: 0000000000000286 R12: 0000000000000004 R13: 000055555562e2c0 R14: 0000000000800804 R15: 00007ffd6b0d40e0 ================================================================================