loop4: detected capacity change from 0 to 4096 ================================================================================ UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:922:10 shift exponent 128 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 7849 Comm: syz-executor.4 Not tainted 6.6.0-rc6-syzkaller-g78124b0c1d10 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 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_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:387 ntfs_init_from_boot fs/ntfs3/super.c:922 [inline] ntfs_fill_super+0x15d4/0x3ee0 fs/ntfs3/super.c:1139 get_tree_bdev+0x33c/0x4a8 fs/super.c:1577 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1638 vfs_get_tree+0x90/0x288 fs/super.c:1750 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335 path_mount+0x590/0xe04 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] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 ================================================================================ ntfs3: loop4: Primary boot: invalid bytes per index 1(-128). ntfs3: loop4: Alternative boot signature is not NTFS.