================================================================================ UBSAN: shift-out-of-bounds in fs/minix/inode.c:380:57 shift exponent 1025 is too large for 64-bit type 'unsigned long' CPU: 0 PID: 16772 Comm: syz-executor.2 Not tainted 6.4.0-rc3-syzkaller-00017-g9d646009f65d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 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 minix_statfs+0x369/0x370 fs/minix/inode.c:380 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs+0x137/0x2c0 fs/statfs.c:90 ovl_check_namelen fs/overlayfs/super.c:919 [inline] ovl_get_upper+0x13b/0x5f0 fs/overlayfs/super.c:1123 ovl_fill_super+0x1745/0x2bd0 fs/overlayfs/super.c:1978 mount_nodev+0x56/0xe0 fs/super.c:1426 legacy_get_tree+0xef/0x190 fs/fs_context.c:610 vfs_get_tree+0x8c/0x270 fs/super.c:1510 do_new_mount+0x28f/0xae0 fs/namespace.c:3039 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc58be8c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc58cb12168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc58bfac050 RCX: 00007fc58be8c169 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fc58bee7ca1 R08: 0000000020000280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd89aa81df R14: 00007fc58cb12300 R15: 0000000000022000 ================================================================================