loop4: detected capacity change from 0 to 4096 ================================================================================ UBSAN: shift-out-of-bounds in fs/ntfs/super.c:810:28 shift exponent 75 is too large for 32-bit type 'int' CPU: 1 PID: 31592 Comm: syz-executor.4 Not tainted 6.7.0-rc2-syzkaller-00195-g0f5cc96c367f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 parse_ntfs_boot_sector fs/ntfs/super.c:810 [inline] ntfs_fill_super+0x2916/0x2bd0 fs/ntfs/super.c:2800 mount_bdev+0x237/0x300 fs/super.c:1650 legacy_get_tree+0xef/0x190 fs/fs_context.c:662 vfs_get_tree+0x8c/0x2a0 fs/super.c:1771 do_new_mount+0x28f/0xae0 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f7aa067e1ea 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:00007f7aa14b9ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7aa14b9f80 RCX: 00007f7aa067e1ea RDX: 0000000020000100 RSI: 000000002001ecc0 RDI: 00007f7aa14b9f40 RBP: 0000000020000100 R08: 00007f7aa14b9f80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001ecc0 R13: 00007f7aa14b9f40 R14: 000000000001ec6a R15: 0000000020000140 ================================================================================