------------[ cut here ]------------
generic_make_request: Trying to write to read-only block-device loop0 (partno 0)
WARNING: CPU: 1 PID: 8854 at block/blk-core.c:800 bio_check_ro block/blk-core.c:800 [inline]
WARNING: CPU: 1 PID: 8854 at block/blk-core.c:800 generic_make_request_checks+0x1c78/0x2190 block/blk-core.c:901
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 8854 Comm: blkid Not tainted 5.4.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011