Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   40.523493][ T4052] loop0: detected capacity change from 0 to 32768
[   40.828216][ T4052] ================================================================================
[   40.830514][ T4052] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:511:16
[   40.832229][ T4052] shift exponent -1 is negative
[   40.833370][ T4052] CPU: 1 PID: 4052 Comm: syz-executor344 Not tainted 5.15.104-syzkaller #0
[   40.835353][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[   40.837872][ T4052] Call trace:
[   40.838712][ T4052]  dump_backtrace+0x0/0x530
[   40.839803][ T4052]  show_stack+0x2c/0x3c
[   40.840818][ T4052]  dump_stack_lvl+0x108/0x170
[   40.841989][ T4052]  dump_stack+0x1c/0x58
[   40.843007][ T4052]  __ubsan_handle_shift_out_of_bounds+0x2f8/0x378
[   40.844611][ T4052]  extAlloc+0xbd4/0xe38
[   40.845626][ T4052]  jfs_get_block+0x34c/0xbfc
[   40.846732][ T4052]  nobh_write_begin+0x2d8/0xa28
[   40.847886][ T4052]  jfs_write_begin+0x58/0xa0
[   40.848937][ T4052]  generic_perform_write+0x24c/0x520
[   40.850165][ T4052]  __generic_file_write_iter+0x230/0x454
[   40.851389][ T4052]  generic_file_write_iter+0xb4/0x1b8
[   40.852662][ T4052]  vfs_write+0x87c/0xb3c
[   40.853699][ T4052]  ksys_write+0x15c/0x26c
[   40.854740][ T4052]  __arm64_sys_write+0x7c/0x90
[   40.855885][ T4052]  invoke_syscall+0x98/0x2b8
[   40.857002][ T4052]  el0_svc_common+0x138/0x258
executing program
[   40.858160][ T4052]  do_el0_svc+0x58/0x14c
[   40.859122][ T4052]  el0_svc+0x7c/0x1f0
[   40.860101][ T4052]  el0t_64_sync_handler+0x84/0xe4
[   40.861354][ T4052]  el0t_64_sync+0x1a0/0x1a4
[   40.862551][ T4052] ================================================================================
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