Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts.
executing program
[   37.592070][ T3973] loop0: detected capacity change from 0 to 128
[   37.596324][ T3973] ================================================================================
[   37.598405][ T3973] UBSAN: shift-out-of-bounds in fs/befs/super.c:96:9
[   37.599826][ T3973] shift exponent 3229888891 is too large for 32-bit type 'int'
[   37.601430][ T3973] CPU: 1 PID: 3973 Comm: syz-executor100 Not tainted 5.15.123-syzkaller #0
[   37.603249][ T3973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
[   37.605457][ T3973] Call trace:
[   37.606146][ T3973]  dump_backtrace+0x0/0x530
[   37.607128][ T3973]  show_stack+0x2c/0x3c
[   37.608031][ T3973]  dump_stack_lvl+0x108/0x170
[   37.609036][ T3973]  dump_stack+0x1c/0x58
[   37.609931][ T3973]  __ubsan_handle_shift_out_of_bounds+0x2f8/0x378
[   37.611332][ T3973]  befs_check_sb+0x480/0x4a0
[   37.612348][ T3973]  befs_fill_super+0x8a0/0xdb0
[   37.613343][ T3973]  mount_bdev+0x274/0x370
[   37.614264][ T3973]  befs_mount+0x44/0x58
[   37.615155][ T3973]  legacy_get_tree+0xd4/0x16c
[   37.616154][ T3973]  vfs_get_tree+0x90/0x274
[   37.617099][ T3973]  do_new_mount+0x25c/0x8c4
[   37.618064][ T3973]  path_mount+0x590/0x104c
[   37.619038][ T3973]  __arm64_sys_mount+0x510/0x5e0
[   37.620082][ T3973]  invoke_syscall+0x98/0x2b8
[   37.621074][ T3973]  el0_svc_common+0x138/0x258
[   37.622063][ T3973]  do_el0_svc+0x58/0x14c
[   37.622943][ T3973]  el0_svc+0x7c/0x1f0
[   37.623790][ T3973]  el0t_64_sync_handler+0x84/0xe4
[   37.624855][ T3973]  el0t_64_sync+0x1a0/0x1a4
[   37.625900][ T3973] ================================================================================
[   37.627901][ T3973] befs: (loop0): block_shift disagrees with block_size. Corruption likely.