------------[ cut here ]------------
generic_make_request: Trying to write to read-only block-device sda (partno 0)
WARNING: CPU: 0 PID: 27518 at block/blk-core.c:2183 bio_check_ro block/blk-core.c:2183 [inline]
WARNING: CPU: 0 PID: 27518 at block/blk-core.c:2183 generic_make_request_checks+0x17d9/0x22e0 block/blk-core.c:2288
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 27518 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:bio_check_ro block/blk-core.c:2183 [inline]
RIP: 0010:generic_make_request_checks+0x17d9/0x22e0 block/blk-core.c:2288
Code: ca 0a 00 00 45 8b b6 1c 05 00 00 48 8d 74 24 68 48 89 ef e8 b9 14 06 00 48 c7 c7 00 29 b2 88 48 89 c6 44 89 f2 e8 4c 94 91 04 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02
RSP: 0018:ffff88804792ee08 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8880ac08a000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1008f25db3
RBP: ffff8880a5f40480 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880a5f404b0
R13: ffff8880a5f40488 R14: 0000000000000000 R15: 0000000000000000
 generic_make_request+0x23f/0xdf0 block/blk-core.c:2412
 blk_queue_split+0x83e/0x1700 block/blk-merge.c:226
 blk_mq_make_request+0x15d/0x1c00 block/blk-mq.c:1850
 generic_make_request+0x613/0xdf0 block/blk-core.c:2467
 submit_bio+0xb1/0x430 block/blk-core.c:2576
 ext4_io_submit fs/ext4/page-io.c:356 [inline]
 io_submit_add_bh fs/ext4/page-io.c:396 [inline]
 ext4_bio_write_page+0xa5e/0x16c0 fs/ext4/page-io.c:515
 mpage_submit_page+0x14b/0x250 fs/ext4/inode.c:2234
 mpage_map_and_submit_buffers fs/ext4/inode.c:2431 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2569 [inline]
 ext4_writepages+0x20fc/0x37f0 fs/ext4/inode.c:2882
 do_writepages+0xe5/0x290 mm/page-writeback.c:2344
 __filemap_fdatawrite_range+0x27d/0x350 mm/filemap.c:446
 ext4_alloc_da_blocks+0x207/0x360 fs/ext4/inode.c:3273
 ext4_release_file+0x1ed/0x340 fs/ext4/file.c:89
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbf3/0x2be0 kernel/exit.c:870
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode+0x277/0x2d0 arch/x86/entry/common.c:198
 retint_user+0x8/0x18
RIP: 0033:0x7f89fd098101
Code: Bad RIP value.
RSP: 002b:005067273a550000 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f89fd1b7f80 RCX: 00007f89fd0980f9
RDX: 0000000000000000 RSI: 005067273a550000 RDI: 00000000c0000000
RBP: 00007f89fd0f3ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007ffe91c24e4f R14: 00007f89fb60a300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..