Process accounting paused
------------[ cut here ]------------
Trying to write to read-only block-device loop3 (partno 0)
WARNING: CPU: 1 PID: 10821 at block/blk-core.c:705 bio_check_ro block/blk-core.c:705 [inline]
WARNING: CPU: 1 PID: 10821 at block/blk-core.c:705 submit_bio_checks+0x1577/0x18d0 block/blk-core.c:833
Modules linked in:
CPU: 1 PID: 10821 Comm: syz-executor.3 Not tainted 5.10.56 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:bio_check_ro block/blk-core.c:705 [inline]
RIP: 0010:submit_bio_checks+0x1577/0x18d0 block/blk-core.c:833
Code: 03 00 00 45 8b a4 24 64 05 00 00 48 89 ef 48 8d 74 24 50 e8 6b 36 fe ff 48 c7 c7 a0 51 3a 84 48 89 c6 44 89 e2 e8 18 ca d3 01 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02
RSP: 0018:ffff888053467658 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 1ffff1100a68ced1 RCX: 0000000000000000
RDX: ffff888015b58000 RSI: ffffffff812930d3 RDI: ffffed100a68cebd
RBP: ffff888061b22600 R08: 0000000000000001 R09: ffff88806cf2facf
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800d9ba430 R14: ffff888061b22610 R15: ffff888061b22608
FS:  0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562980e91898 CR3: 000000000cbdc000 CR4: 0000000000350ee0
Call Trace:
 submit_bio_noacct+0x7a/0xce0 block/blk-core.c:1045
 submit_bio+0xf3/0x4e0 block/blk-core.c:1130
 submit_bh_wbc.constprop.0+0x580/0x770 fs/buffer.c:3054
 submit_bh fs/buffer.c:3060 [inline]
 __sync_dirty_buffer+0x16a/0x3f0 fs/buffer.c:3155
 ext4_commit_super+0x83d/0xc60 fs/ext4/super.c:5561
 ext4_put_super+0x205/0xf90 fs/ext4/super.c:1211
 generic_shutdown_super+0x142/0x370 fs/super.c:464
 kill_block_super+0x9d/0xf0 fs/super.c:1446
 deactivate_locked_super+0x99/0x160 fs/super.c:335
 deactivate_super+0xad/0xd0 fs/super.c:366
 cleanup_mnt+0x396/0x500 fs/namespace.c:1118
 task_work_run+0xe2/0x1a0 kernel/task_work.c:151
 exit_task_work include/linux/task_work.h:30 [inline]
 do_exit+0xc1b/0x2770 kernel/exit.c:811
 do_group_exit+0x125/0x310 kernel/exit.c:908
 get_signal+0x469/0x2200 kernel/signal.c:2758
 arch_do_signal+0x88/0x1b70 arch/x86/kernel/signal.c:805
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
Code: Unable to access opcode bytes at RIP 0x4665df.
RSP: 002b:00007fc2bfa13218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 0000000000466609
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88
RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c
R13: 00007ffd647dc8cf R14: 00007fc2bfa13300 R15: 0000000000022000
irq event stamp: 4681
hardirqs last  enabled at (4691): [<ffffffff8128f659>] console_unlock+0x929/0xb30 kernel/printk/printk.c:2552
hardirqs last disabled at (4700): [<ffffffff8128f565>] console_unlock+0x835/0xb30 kernel/printk/printk.c:2467
softirqs last  enabled at (4534): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (4467): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
---[ end trace 51cff585042bf534 ]---