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:399:57 shift exponent 22784 is too large for 64-bit type 'unsigned long' CPU: 1 UID: 0 PID: 6994 Comm: syz.0.15 Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 minix_statfs+0x2f0/0x2f4 fs/minix/inode.c:399 statfs_by_dentry fs/statfs.c:66 [inline] vfs_get_fsid+0x17c/0x268 fs/statfs.c:77 fanotify_test_fsid+0xb0/0x3b0 fs/notify/fanotify/fanotify_user.c:1574 do_fanotify_mark+0x6bc/0xbc0 fs/notify/fanotify/fanotify_user.c:1839 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1919 [inline] __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1915 [inline] __arm64_sys_fanotify_mark+0xb8/0xd4 fs/notify/fanotify/fanotify_user.c:1915 __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/minix/bitmap.c:103:3 shift exponent 22784 is too large for 32-bit type '__u32' (aka 'unsigned int') CPU: 1 UID: 0 PID: 6994 Comm: syz.0.15 Not tainted 6.12.0-rc7-syzkaller-00125-gcfaaa7d010d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 minix_count_free_blocks+0x228/0x22c fs/minix/bitmap.c:103 minix_statfs+0x19c/0x2f4 fs/minix/inode.c:400 statfs_by_dentry fs/statfs.c:66 [inline] vfs_get_fsid+0x17c/0x268 fs/statfs.c:77 fanotify_test_fsid+0xb0/0x3b0 fs/notify/fanotify/fanotify_user.c:1574 do_fanotify_mark+0x6bc/0xbc0 fs/notify/fanotify/fanotify_user.c:1839 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1919 [inline] __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1915 [inline] __arm64_sys_fanotify_mark+0xb8/0xd4 fs/notify/fanotify/fanotify_user.c:1915 __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 ]---