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/minix/inode.c:415:57 shift exponent 22784 is too large for 64-bit type 'unsigned long' CPU: 1 UID: 0 PID: 6732 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue+0x14/0x48 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x2b0/0x34c lib/ubsan.c:494 minix_statfs+0x2c0/0x2ec fs/minix/inode.c:415 statfs_by_dentry fs/statfs.c:66 [inline] vfs_get_fsid+0x188/0x260 fs/statfs.c:77 fanotify_test_fsid+0x98/0x344 fs/notify/fanotify/fanotify_user.c:1771 do_fanotify_mark+0x764/0xcd8 fs/notify/fanotify/fanotify_user.c:2061 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:2159 [inline] __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:2155 [inline] __arm64_sys_fanotify_mark+0xb8/0xd4 fs/notify/fanotify/fanotify_user.c:2155 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 ---[ end trace ]--- ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/minix/bitmap.c:103:3 shift exponent 22784 is too large for 32-bit type '__u32' (aka 'unsigned int') CPU: 1 UID: 0 PID: 6732 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue+0x14/0x48 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x2b0/0x34c lib/ubsan.c:494 minix_count_free_blocks+0x234/0x238 fs/minix/bitmap.c:103 minix_statfs+0x19c/0x2ec fs/minix/inode.c:416 statfs_by_dentry fs/statfs.c:66 [inline] vfs_get_fsid+0x188/0x260 fs/statfs.c:77 fanotify_test_fsid+0x98/0x344 fs/notify/fanotify/fanotify_user.c:1771 do_fanotify_mark+0x764/0xcd8 fs/notify/fanotify/fanotify_user.c:2061 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:2159 [inline] __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:2155 [inline] __arm64_sys_fanotify_mark+0xb8/0xd4 fs/notify/fanotify/fanotify_user.c:2155 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 ---[ end trace ]---