================================================================================ UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:736:25 shift exponent 127 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 4639 Comm: syz.3.88 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 ubsan_epilogue+0xa/0x30 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321 ntfs_init_from_boot fs/ntfs3/super.c:736 [inline] ntfs_fill_super+0x230b/0x3c10 fs/ntfs3/super.c:930 get_tree_bdev+0x3f1/0x610 fs/super.c:1325 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3013 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc6830d610a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc680f3be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc680f3bef0 RCX: 00007fc6830d610a RDX: 00002000000000c0 RSI: 000020000001f1c0 RDI: 00007fc680f3beb0 RBP: 00002000000000c0 R08: 00007fc680f3bef0 R09: 0000000000000840 R10: 0000000000000840 R11: 0000000000000246 R12: 000020000001f1c0 R13: 00007fc680f3beb0 R14: 000000000001f210 R15: 00002000000001c0 ================================================================================