------------[ cut here ]------------
Trying to write to read-only block-device nullb0 (partno 0)
WARNING: CPU: 1 PID: 3607 at block/blk-core.c:630 bio_check_ro block/blk-core.c:630 [inline]
WARNING: CPU: 1 PID: 3607 at block/blk-core.c:630 bio_check_ro block/blk-core.c:630 [inline] block/blk-core.c:743
WARNING: CPU: 1 PID: 3607 at block/blk-core.c:630 submit_bio_checks+0x1788/0x1c80 block/blk-core.c:743 block/blk-core.c:743
Modules linked in:
CPU: 1 PID: 3607 Comm: syz-executor963 Not tainted 5.16.0-rc5-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:630 [inline]
RIP: 0010:bio_check_ro block/blk-core.c:630 [inline] block/blk-core.c:743
RIP: 0010:submit_bio_checks+0x1788/0x1c80 block/blk-core.c:743 block/blk-core.c:743
Code: 00 00 45 0f b6 a4 24 90 05 00 00 48 8d 74 24 60 48 89 ef e8 5a 2d fe ff 48 c7 c7 a0 79 02 8a 48 89 c6 44 89 e2 e8 1d 16 3c 05 <0f> 0b e9 af f3 ff ff e8 9c 32 b2 fd e8 57 bf 7f 05 31 ff 89 c3 89
RSP: 0018:ffffc90002767838 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88801b58d120 RCX: 0000000000000000
RDX: ffff88807e38c200 RSI: ffffffff815e52a8 RDI: fffff520004ecef9
RBP: ffff88801ca65680 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815df04e R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801ca65690 R14: ffff888017251100 R15: ffff88801b58d62c
FS:  00005555570d4300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3841bf1130 CR3: 000000001fbd5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 blk_mq_get_request block/blk-mq.c:2589 [inline]
 blk_mq_get_request block/blk-mq.c:2589 [inline] block/blk-mq.c:2633
 blk_mq_submit_bio+0x16c5/0x22b0 block/blk-mq.c:2633 block/blk-mq.c:2633
 __submit_bio block/blk-core.c:851 [inline]
 __submit_bio_noacct_mq block/blk-core.c:926 [inline]
 submit_bio_noacct block/blk-core.c:952 [inline]
 __submit_bio block/blk-core.c:851 [inline] block/blk-core.c:941
 __submit_bio_noacct_mq block/blk-core.c:926 [inline] block/blk-core.c:941
 submit_bio_noacct block/blk-core.c:952 [inline] block/blk-core.c:941
 submit_bio_noacct+0x82c/0xa20 block/blk-core.c:941 block/blk-core.c:941
 submit_bio block/blk-core.c:1013 [inline]
 submit_bio block/blk-core.c:1013 [inline] block/blk-core.c:971
 submit_bio+0x1ea/0x430 block/blk-core.c:971 block/blk-core.c:971
 blk_next_bio block/blk-lib.c:19 [inline]
 blk_next_bio block/blk-lib.c:19 [inline] block/blk-lib.c:319
 __blkdev_issue_zero_pages+0x243/0x4c0 block/blk-lib.c:319 block/blk-lib.c:319
 blkdev_issue_zeroout+0x3d0/0x450 block/blk-lib.c:413 block/blk-lib.c:413
 blk_ioctl_zeroout block/ioctl.c:185 [inline]
 blk_ioctl_zeroout block/ioctl.c:185 [inline] block/ioctl.c:484
 blkdev_common_ioctl+0xb5c/0x1910 block/ioctl.c:484 block/ioctl.c:484
 blkdev_ioctl+0x2ca/0x800 block/ioctl.c:603 block/ioctl.c:603
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 vfs_ioctl fs/ioctl.c:51 [inline] fs/ioctl.c:860
 __do_sys_ioctl fs/ioctl.c:874 [inline] fs/ioctl.c:860
 __se_sys_ioctl fs/ioctl.c:860 [inline] fs/ioctl.c:860
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_x64 arch/x86/entry/common.c:50 [inline] arch/x86/entry/common.c:80
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f3841b80e99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffa9d9b2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f3841b80e99
RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 00007fffa9d9ad60 R11: 0000000000000246 R12: 00007f3841b44670
R13: 0000000000000000 R14: 00007fffa9d9b310 R15: 00007fffa9d9b300
 </TASK>