netlink: 96 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ Trying to write to read-only block-device loop5 (partno 0) WARNING: CPU: 0 PID: 7432 at block/blk-core.c:705 bio_check_ro block/blk-core.c:705 [inline] WARNING: CPU: 0 PID: 7432 at block/blk-core.c:705 submit_bio_checks+0x1577/0x18d0 block/blk-core.c:833 Modules linked in: CPU: 0 PID: 7432 Comm: kmmpd-loop5 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:ffff88803edefae8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff11007dbdf63 RCX: 0000000000000000 RDX: ffff8880160fe500 RSI: ffffffff812930d3 RDI: ffffed1007dbdf4f RBP: ffff8880497b6200 R08: 0000000000000001 R09: ffff88806ce2facf R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88800d66bc50 R14: ffff8880497b6210 R15: ffff8880497b6208 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde47f4080 CR3: 000000005554c000 CR4: 0000000000350ef0 DR0: 0001000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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 write_mmp_block+0x2d0/0x650 fs/ext4/mmp.c:55 kmmpd+0x3f8/0x9d0 fs/ext4/mmp.c:167 kthread+0x38f/0x470 kernel/kthread.c:292 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 irq event stamp: 7213 hardirqs last enabled at (7221): [] console_unlock+0x929/0xb30 kernel/printk/printk.c:2552 hardirqs last disabled at (7230): [] console_unlock+0x835/0xb30 kernel/printk/printk.c:2467 softirqs last enabled at (6996): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (6991): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 5aaafdb6c70b0021 ]---