UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:903:29 shift exponent 127 is too large for 32-bit type 'int' CPU: 0 PID: 11081 Comm: syz-executor.1 Not tainted 6.6.0-rc6-syzkaller-00043-gdd72f9c7e512 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 lib/ubsan.c:387 ntfs_init_from_boot fs/ntfs3/super.c:903 [inline] ntfs_fill_super+0x1b13/0x4c50 fs/ntfs3/super.c:1139 get_tree_bdev+0x416/0x5b0 fs/super.c:1577 vfs_get_tree+0x8c/0x280 fs/super.c:1750 do_new_mount+0x28f/0xae0 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f727ee7e1ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f727d9fdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f727d9fdf80 RCX: 00007f727ee7e1ea RDX: 0000000020000000 RSI: 0000000020000200 RDI: 00007f727d9fdf40 RBP: 0000000020000000 R08: 00007f727d9fdf80 R09: 0000000000018040 R10: 0000000000018040 R11: 0000000000000202 R12: 0000000020000200 R13: 00007f727d9fdf40 R14: 000000000001f417 R15: 0000000020000180 ================================================================================