Trying to write to read-only block-device nullb0 (partno 0) WARNING: CPU: 0 PID: 9003 at block/blk-core.c:584 bio_check_ro block/blk-core.c:584 [inline] WARNING: CPU: 0 PID: 9003 at block/blk-core.c:584 submit_bio_checks+0x1700/0x1bf0 block/blk-core.c:697 Modules linked in: CPU: 0 PID: 9003 Comm: syz-executor.4 Not tainted 5.17.0-rc8-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:584 [inline] RIP: 0010:submit_bio_checks+0x1700/0x1bf0 block/blk-core.c:697 Code: 00 00 45 0f b6 a4 24 50 05 00 00 48 8d 74 24 60 48 89 ef e8 f2 4a fe ff 48 c7 c7 40 3c 04 8a 48 89 c6 44 89 e2 e8 a2 88 3f 05 <0f> 0b e9 a0 f3 ff ff e8 94 2a b0 fd e8 af 9b 83 05 31 ff 89 c3 89 RSP: 0018:ffffc9001096f848 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888147410b68 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815ff5a8 RDI: fffff5200212defb RBP: ffff888012dfd140 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815f9c3e R11: 0000000000000000 R12: 0000000000000000 R13: ffff888012dfd150 R14: ffff88814488b980 R15: ffff888147410dfc FS: 00007f731e66a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b86f091b8 CR3: 0000000017507000 CR4: 0000000000350ee0 Call Trace: __submit_bio+0xaf/0x360 block/blk-core.c:796 __submit_bio_noacct_mq block/blk-core.c:875 [inline] submit_bio_noacct block/blk-core.c:901 [inline] submit_bio_noacct+0x6c9/0x8a0 block/blk-core.c:890 submit_bio block/blk-core.c:962 [inline] submit_bio+0x1ea/0x430 block/blk-core.c:920 submit_bio_wait+0x106/0x230 block/bio.c:1279 blkdev_issue_zeroout+0x1ce/0x450 block/blk-lib.c:420 blk_ioctl_zeroout block/ioctl.c:160 [inline] blkdev_common_ioctl+0xcf8/0x1790 block/ioctl.c:459 blkdev_ioctl+0x2ca/0x800 block/ioctl.c:582 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860 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: 0033:0x7f731fcf5049 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:00007f731e66a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f731fe07f60 RCX: 00007f731fcf5049 RDX: 0000000020000080 RSI: 000000000000127f RDI: 0000000000000003 RBP: 00007f731e66a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffda0cdc95f R14: 00007f731e66a300 R15: 0000000000022000