and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2336:10 shift exponent 4278976521 is too large for 32-bit type 'int' CPU: 1 UID: 0 PID: 6605 Comm: syz.0.15 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326 __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 ocfs2_verify_volume fs/ocfs2/super.c:2336 [inline] ocfs2_sb_probe fs/ocfs2/super.c:792 [inline] ocfs2_fill_super+0xe0c/0x49d0 fs/ocfs2/super.c:988 mount_bdev+0x1d4/0x2a0 fs/super.c:1679 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x28c fs/super.c:1800 do_new_mount+0x278/0x900 fs/namespace.c:3507 path_mount+0x590/0xe04 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount fs/namespace.c:4032 [inline] __arm64_sys_mount+0x45c/0x5a8 fs/namespace.c:4032 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 ---[ end trace ]--- ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2032:24 shift exponent 15990789 is too large for 32-bit type 'int' CPU: 1 UID: 0 PID: 6605 Comm: syz.0.15 Not tainted 6.12.0-rc1-syzkaller-00031-ge32cde8d2bd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326 __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 ocfs2_initialize_super fs/ocfs2/super.c:2032 [inline] ocfs2_fill_super+0x428c/0x49d0 fs/ocfs2/super.c:994 mount_bdev+0x1d4/0x2a0 fs/super.c:1679 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1188 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x28c fs/super.c:1800 do_new_mount+0x278/0x900 fs/namespace.c:3507 path_mount+0x590/0xe04 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount fs/namespace.c:4032 [inline] __arm64_sys_mount+0x45c/0x5a8 fs/namespace.c:4032 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 ---[ end trace ]--- (syz.0.15,6605,1):ocfs2_init_global_system_inodes:461 ERROR: status = -22 (syz.0.15,6605,1):ocfs2_init_global_system_inodes:463 ERROR: Unable to load system inode 2, possibly corrupt fs? (syz.0.15,6605,1):ocfs2_init_global_system_inodes:472 ERROR: status = -22 (syz.0.15,6605,1):ocfs2_initialize_super:2250 ERROR: status = -22 (syz.0.15,6605,1):ocfs2_fill_super:1178 ERROR: status = -22