------------[ cut here ]------------
WARNING: CPU: 1 PID: 3140 at block/blk-core.c:628 bio_check_ro block/blk-core.c:628 [inline]
WARNING: CPU: 1 PID: 3140 at block/blk-core.c:628 submit_bio_checks+0x300/0x734 block/blk-core.c:741
Trying to write to read-only block-device nullb0 (partno 0)
Modules linked in:
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 3140 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<816f5710>] (dump_backtrace) from [<816f58fc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:237)
 r7:81d5298c r6:82222c28 r5:60000093 r4:81d60180
[<816f58e4>] (show_stack) from [<816fe354>] (__dump_stack lib/dump_stack.c:88 [inline])
[<816f58e4>] (show_stack) from [<816fe354>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<816fe30c>] (dump_stack_lvl) from [<816fe378>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:8243cd18
[<816fe360>] (dump_stack) from [<816f63dc>] (panic+0x104/0x32c kernel/panic.c:232)
[<816f62d8>] (panic) from [<80241f08>] (__warn+0xa4/0x134 kernel/panic.c:603)
 r3:8220c488 r2:00000000 r1:00000000 r0:81d5298c
 r7:00000009
[<80241e64>] (__warn) from [<816f66a0>] (warn_slowpath_fmt+0x9c/0xd4 kernel/panic.c:633)
 r7:807112bc r6:00000274 r5:81da2088 r4:81da21c0
[<816f6608>] (warn_slowpath_fmt) from [<807112bc>] (bio_check_ro block/blk-core.c:628 [inline])
[<816f6608>] (warn_slowpath_fmt) from [<807112bc>] (submit_bio_checks+0x300/0x734 block/blk-core.c:741)
 r8:00000001 r7:8310b740 r6:00000000 r5:8397f770 r4:84269840
[<80710fbc>] (submit_bio_checks) from [<80720a54>] (blk_mq_get_request block/blk-mq.c:2590 [inline])
[<80710fbc>] (submit_bio_checks) from [<80720a54>] (blk_mq_submit_bio+0x484/0x9f4 block/blk-mq.c:2632)
 r10:00000001 r9:00000000 r8:00000001 r7:84017d44 r6:84269840 r5:8397f770
 r4:8397f770
[<807205d0>] (blk_mq_submit_bio) from [<80711b58>] (__submit_bio block/blk-core.c:849 [inline])
[<807205d0>] (blk_mq_submit_bio) from [<80711b58>] (__submit_bio_noacct_mq block/blk-core.c:924 [inline])
[<807205d0>] (blk_mq_submit_bio) from [<80711b58>] (submit_bio_noacct block/blk-core.c:950 [inline])
[<807205d0>] (blk_mq_submit_bio) from [<80711b58>] (submit_bio_noacct+0x264/0x274 block/blk-core.c:939)
 r10:00000000 r9:84017e18 r8:00000000 r7:00000800 r6:83f08b80 r5:84269840
 r4:00000000
[<807118f4>] (submit_bio_noacct) from [<80711bd4>] (submit_bio block/blk-core.c:1011 [inline])
[<807118f4>] (submit_bio_noacct) from [<80711bd4>] (submit_bio+0x6c/0x164 block/blk-core.c:969)
 r8:00000000 r7:00000800 r6:00000801 r5:84269840 r4:84269840
[<80711b68>] (submit_bio) from [<804ca664>] (submit_bh_wbc+0x184/0x1b4 fs/buffer.c:3054)
 r4:84529900
[<804ca4e0>] (submit_bh_wbc) from [<804cdb44>] (__block_write_full_page+0x338/0x684 fs/buffer.c:1809)
 r10:84017e18 r9:8310b998 r8:ddeb83b8 r7:84529900 r6:00000800 r5:84529900
 r4:00000000 r3:00000000
[<804cd80c>] (__block_write_full_page) from [<804ce038>] (block_write_full_page+0xc4/0xcc fs/buffer.c:2980)
 r10:84017ccc r9:00000000 r8:838fb000 r7:84017e18 r6:807075e8 r5:ddeb83b8
 r4:8310b998
[<804cdf74>] (block_write_full_page) from [<807076a4>] (blkdev_writepage+0x1c/0x20 block/fops.c:391)
 r7:8310baa8 r6:84017e18 r5:8310baa8 r4:ddeb83b8
[<80707688>] (blkdev_writepage) from [<803e15dc>] (__writepage+0x1c/0x70 mm/page-writeback.c:2320)
[<803e15c0>] (__writepage) from [<803e274c>] (write_cache_pages+0x218/0x520 mm/page-writeback.c:2255)
 r5:00000001 r4:ddeb83b8
[<803e2534>] (write_cache_pages) from [<803e2ab0>] (generic_writepages mm/page-writeback.c:2346 [inline])
[<803e2534>] (write_cache_pages) from [<803e2ab0>] (generic_writepages+0x5c/0x94 mm/page-writeback.c:2335)
 r10:803e15c0 r9:82204d00 r8:838fb040 r7:823ca880 r6:8310baa8 r5:84017e18
 r4:8310baa8
[<803e2a54>] (generic_writepages) from [<80707664>] (blkdev_writepages+0x10/0x14 block/fops.c:428)
 r5:84017e18 r4:000026f8
[<80707654>] (blkdev_writepages) from [<803e50a4>] (do_writepages+0x80/0x1c0 mm/page-writeback.c:2364)
[<803e5024>] (do_writepages) from [<803d56f4>] (filemap_fdatawrite_wbc mm/filemap.c:407 [inline])
[<803e5024>] (do_writepages) from [<803d56f4>] (filemap_fdatawrite_wbc+0x6c/0x8c mm/filemap.c:397)
 r10:8220c44c r9:5ac3c35a r8:83db4310 r7:00000000 r6:84017e18 r5:8310baa8
 r4:8310b998
[<803d5688>] (filemap_fdatawrite_wbc) from [<803d62ec>] (__filemap_fdatawrite_range mm/filemap.c:440 [inline])
[<803d5688>] (filemap_fdatawrite_wbc) from [<803d62ec>] (filemap_write_and_wait_range mm/filemap.c:718 [inline])
[<803d5688>] (filemap_fdatawrite_wbc) from [<803d62ec>] (filemap_write_and_wait_range+0x74/0xec mm/filemap.c:712)
 r7:00000000 r6:00000000 r5:8310baa8 r4:8310b740
[<803d6278>] (filemap_write_and_wait_range) from [<80706b7c>] (filemap_write_and_wait include/linux/fs.h:2866 [inline])
[<803d6278>] (filemap_write_and_wait_range) from [<80706b7c>] (sync_blockdev block/bdev.c:204 [inline])
[<803d6278>] (filemap_write_and_wait_range) from [<80706b7c>] (sync_blockdev block/bdev.c:200 [inline])
[<803d6278>] (filemap_write_and_wait_range) from [<80706b7c>] (blkdev_put+0x1cc/0x27c block/bdev.c:912)
 r7:82cbb7f8 r6:83b45240 r5:480a005d r4:8310b740
[<807069b0>] (blkdev_put) from [<80707918>] (blkdev_close+0x18/0x20 block/fops.c:515)
 r8:83db4310 r7:82cbb7f8 r6:836727d8 r5:480a005d r4:8516d480
[<80707900>] (blkdev_close) from [<80484184>] (__fput+0x84/0x258 fs/file_table.c:280)
[<80484100>] (__fput) from [<804843d4>] (____fput+0x10/0x14 fs/file_table.c:313)
 r9:5ac3c35a r8:83f093d4 r7:8243d600 r6:83f08b80 r5:83f093a4 r4:00000000
[<804843c4>] (____fput) from [<80266e24>] (task_work_run+0x8c/0xb8 kernel/task_work.c:164)
[<80266d98>] (task_work_run) from [<8020bff0>] (tracehook_notify_resume include/linux/tracehook.h:189 [inline])
[<80266d98>] (task_work_run) from [<8020bff0>] (do_work_pending+0x438/0x53c arch/arm/kernel/signal.c:630)
 r9:5ac3c35a r8:80200244 r7:fffffe30 r6:80200244 r5:84017fb0 r4:83f08b80
[<8020bbb8>] (do_work_pending) from [<80200088>] (slow_work_pending+0xc/0x20)
Exception stack(0x84017fb0 to 0x84017ff8)
7fa0:                                     00000000 00000002 00000000 00000004
7fc0: 00000005 0292e4c0 00000010 00000006 001200ac 00000000 00061942 000f4240
7fe0: 00530000 7e94d350 00028e6c 00029328 80000010 00000004
 r10:00000006 r9:83f08b80 r8:80200244 r7:00000006 r6:00000010 r5:0292e4c0
 r4:00000005
Rebooting in 86400 seconds..