XFS (loop5): Invalid superblock magic number Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 0 PID: 8457 Comm: syz-executor2 Not tainted 4.20.0-rc7+ #158 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 ? __sanitizerpacket_write_wait: Connection to 216.239.38.127 port 9600: Broken pipe