Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   36.122996][ T5969] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5969 'syz-executor354'
[   36.129511][ T5969] loop0: detected capacity change from 0 to 512
[   36.136018][ T5969] EXT2-fs (loop0): (no)user_xattr optionsnot supported
[   36.138146][ T5969] ================================================================================
[   36.140133][ T5969] UBSAN: shift-out-of-bounds in fs/ext2/super.c:1015:40
[   36.141596][ T5969] shift exponent 63 is too large for 32-bit type 'int'
[   36.143078][ T5969] CPU: 0 PID: 5969 Comm: syz-executor354 Not tainted 6.4.0-rc4-syzkaller-g908f31f2a05b #0
[   36.145145][ T5969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   36.147333][ T5969] Call trace:
[   36.148049][ T5969]  dump_backtrace+0x1b8/0x1e4
[   36.149073][ T5969]  show_stack+0x2c/0x44
[   36.149997][ T5969]  dump_stack_lvl+0xd0/0x124
[   36.150995][ T5969]  dump_stack+0x1c/0x28
[   36.151901][ T5969]  __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c
[   36.153357][ T5969]  ext2_fill_super+0x2270/0x2450
[   36.154453][ T5969]  mount_bdev+0x274/0x370
[   36.155470][ T5969]  ext2_mount+0x44/0x58
[   36.156370][ T5969]  legacy_get_tree+0xd4/0x16c
[   36.157400][ T5969]  vfs_get_tree+0x90/0x274
[   36.158435][ T5969]  do_new_mount+0x25c/0x8c4
[   36.159455][ T5969]  path_mount+0x590/0xe04
[   36.160417][ T5969]  __arm64_sys_mount+0x45c/0x594
[   36.161514][ T5969]  invoke_syscall+0x98/0x2c0
[   36.162557][ T5969]  el0_svc_common+0x138/0x244
[   36.163584][ T5969]  do_el0_svc+0x64/0x198
[   36.164504][ T5969]  el0_svc+0x4c/0x160
[   36.165362][ T5969]  el0t_64_sync_handler+0x84/0xfc
[   36.166447][ T5969]  el0t_64_sync+0x190/0x194
[   36.168414][ T5969] ================================================================================
[   36.170408][ T5969] EXT2-fs (loop0): error: can't find an ext2 filesystem on dev loop0.