loop0: detected capacity change from 0 to 2048
 loop0: p1 < > p3
loop0: p3 size 134217728 extends beyond EOD, truncated
================================================
WARNING: lock held when returning to user space!
syzkaller #0 Not tainted
------------------------------------------------
syz.0.17/6621 is leaving the kernel with locks still held!
1 lock held by syz.0.17/6621:
 #0: ffff888021a41360 (&lo->lo_mutex){+.+.}-{3:3}, at: loop_set_block_size+0x7c/0x480 drivers/block/loop.c:1490