------------[ cut here ]------------
Trying to write to read-only block-device nullb0 (partno 0)
WARNING: CPU: 1 PID: 4221 at block/blk-core.c:581 bio_check_ro block/blk-core.c:581 [inline]
WARNING: CPU: 1 PID: 4221 at block/blk-core.c:581 submit_bio_noacct+0x16f3/0x1be0 block/blk-core.c:810
Modules linked in:
CPU: 1 PID: 4221 Comm: syz-executor.5 Not tainted 5.17.0-rc6-next-20220303-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bio_check_ro block/blk-core.c:581 [inline]
RIP: 0010:submit_bio_noacct+0x16f3/0x1be0 block/blk-core.c:810
Code: 00 00 45 0f b6 a4 24 50 05 00 00 48 8d 74 24 60 48 89 ef e8 cf 1f fe ff 48 c7 c7 e0 93 24 8a 48 89 c6 44 89 e2 e8 c9 6e 41 05 <0f> 0b e9 91 f3 ff ff e8 41 96 a1 fd e8 6c bf 85 05 31 ff 89 c3 89
RSP: 0018:ffffc900076373b8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88801b20db80 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81602878 RDI: fffff52000ec6e69
RBP: ffff8880192f7b40 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815fd23e R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880192f7b50 R14: ffff88801b8f0b80 R15: 1ffff92000ec6e7f
FS:  00007ff2b5fdd700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00dd86440 CR3: 000000007c90e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 submit_bio block/blk-core.c:941 [inline]
 submit_bio+0x1a0/0x350 block/blk-core.c:905
 submit_bh_wbc+0x4e9/0x6b0 fs/buffer.c:3090
 __block_write_full_page+0x8ee/0x1e00 fs/buffer.c:1846
 block_write_full_page+0x14d/0x190 fs/buffer.c:3018
 __writepage+0x60/0x180 mm/page-writeback.c:2391
 write_cache_pages+0x79f/0x1a50 mm/page-writeback.c:2326
 generic_writepages mm/page-writeback.c:2417 [inline]
 generic_writepages+0xe2/0x150 mm/page-writeback.c:2406
 do_writepages+0x1ab/0x690 mm/page-writeback.c:2435
 filemap_fdatawrite_wbc mm/filemap.c:384 [inline]
 filemap_fdatawrite_wbc+0x143/0x1b0 mm/filemap.c:374
 __filemap_fdatawrite_range mm/filemap.c:417 [inline]
 filemap_write_and_wait_range mm/filemap.c:669 [inline]
 filemap_write_and_wait_range+0xe1/0x1a0 mm/filemap.c:663
 filemap_write_and_wait include/linux/pagemap.h:60 [inline]
 sync_blockdev block/bdev.c:199 [inline]
 sync_blockdev+0x67/0x90 block/bdev.c:195
 bdev_disk_changed block/partitions/core.c:673 [inline]
 bdev_disk_changed+0x18b/0xf60 block/partitions/core.c:661
 blkdev_get_whole+0x206/0x2d0 block/bdev.c:679
 blkdev_get_by_dev.part.0+0x659/0xc90 block/bdev.c:816
 blkdev_get_by_dev+0x6b/0x80 block/bdev.c:850
 disk_scan_partitions+0x118/0x1a0 block/genhd.c:390
 blkdev_common_ioctl+0x632/0x17a0 block/ioctl.c:504
 blkdev_ioctl+0x2ca/0x800 block/ioctl.c:582
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ff2b7089049
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff2b5fdd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff2b719c100 RCX: 00007ff2b7089049
RDX: 0000000000000000 RSI: 000000000000125f RDI: 0000000000000003
RBP: 00007ff2b70e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcdfabca0f R14: 00007ff2b5fdd300 R15: 0000000000022000
 </TASK>