[   18.155082][ T3637] 8021q: adding VLAN 0 to HW filter on device bond0
[   18.159877][ T3637] eql: remember to turn off Van-Jacobson compression on your slave devices
[   18.198622][  T148] gvnic 0000:00:00.0 enp0s0: Device link is up.
[   18.201143][ T2332] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   44.462297][ T3967] loop0: detected capacity change from 0 to 512
[   44.497114][ T3967] EXT2-fs (loop0): (no)user_xattr optionsnot supported
[   44.499012][ T3967] ================================================================================
[   44.501324][ T3967] UBSAN: shift-out-of-bounds in fs/ext2/super.c:1015:40
[   44.502773][ T3967] shift exponent 63 is too large for 32-bit type 'int'
[   44.504274][ T3967] CPU: 0 PID: 3967 Comm: syz-executor313 Not tainted 5.15.115-syzkaller #0
[   44.506062][ T3967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[   44.508299][ T3967] Call trace:
[   44.508967][ T3967]  dump_backtrace+0x0/0x530
[   44.509951][ T3967]  show_stack+0x2c/0x3c
[   44.510844][ T3967]  dump_stack_lvl+0x108/0x170
[   44.511861][ T3967]  dump_stack+0x1c/0x58
[   44.512785][ T3967]  __ubsan_handle_shift_out_of_bounds+0x2f8/0x378
[   44.514187][ T3967]  ext2_fill_super+0x220c/0x23dc
[   44.515344][ T3967]  mount_bdev+0x274/0x370
[   44.516249][ T3967]  ext2_mount+0x44/0x58
[   44.517201][ T3967]  legacy_get_tree+0xd4/0x16c
[   44.518210][ T3967]  vfs_get_tree+0x90/0x274
[   44.519149][ T3967]  do_new_mount+0x25c/0x8c4
[   44.520123][ T3967]  path_mount+0x590/0x104c
[   44.521084][ T3967]  __arm64_sys_mount+0x510/0x5e0
[   44.522253][ T3967]  invoke_syscall+0x98/0x2b8
[   44.523261][ T3967]  el0_svc_common+0x138/0x258
[   44.524256][ T3967]  do_el0_svc+0x58/0x14c
[   44.525197][ T3967]  el0_svc+0x7c/0x1f0
[   44.526090][ T3967]  el0t_64_sync_handler+0x84/0xe4
[   44.527157][ T3967]  el0t_64_sync+0x1a0/0x1a4
[   44.528298][ T3967] ================================================================================
[   44.530427][ T3967] EXT2-fs (loop0): error: can't find an ext2 filesystem on dev loop0.