EXT4-fs (loop2): Ignoring removed mblk_io_submit option
------------[ cut here ]------------
kernel BUG at fs/buffer.c:3027!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1726 Comm: syz-executor405 Not tainted 5.4.290-syzkaller-00002-g41adfeb3d639 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:submit_bh_wbc+0x831/0x850 fs/buffer.c:3027
Code: 10 80 e1 07 80 c1 03 38 c1 0f 8c 14 fe ff ff 48 8b 7c 24 10 e8 00 88 ea ff e9 05 fe ff ff e8 d6 9d ba ff 0f 0b e8 cf 9d ba ff <0f> 0b e8 c8 9d ba ff 0f 0b e8 c1 9d ba ff 0f 0b e8 ba 9d ba ff 0f
RSP: 0000:ffff8881f0e977b0 EFLAGS: 00010293
RAX: ffffffff81a9ad31 RBX: 0000000000000000 RCX: ffff8881f0dacec0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000080000 R08: ffffffff81a9a5a4 R09: ffffed103b3ebcfd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881d9f5e7e0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f480b48f6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f480314d000 CR3: 00000001de67b000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ll_rw_block+0x1cf/0x230 arch/x86/include/asm/atomic.h:97
 __breadahead_gfp+0xc9/0x190 fs/buffer.c:1346
 sb_breadahead_unmovable include/linux/buffer_head.h:361 [inline]
 ext4_fill_super+0x5458/0x8d90 fs/ext4/super.c:4369
 mount_bdev+0x267/0x370 fs/super.c:1428
 legacy_get_tree+0xdf/0x170 fs/fs_context.c:648
 vfs_get_tree+0x85/0x260 fs/super.c:1558
 do_new_mount+0x292/0x570 fs/namespace.c:2850
 do_mount+0x688/0xe10 fs/namespace.c:3170
 ksys_mount+0xc2/0xf0 fs/namespace.c:3379
 __do_sys_mount fs/namespace.c:3393 [inline]
 __se_sys_mount fs/namespace.c:3390 [inline]
 __x64_sys_mount+0xb1/0xc0 fs/namespace.c:3390
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f480b4d455a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f480b48f088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f480b48f0a0 RCX: 00007f480b4d455a
RDX: 0000200000000280 RSI: 0000200000001100 RDI: 00007f480b48f0a0
RBP: 0000200000001100 R08: 00007f480b48f0e0 R09: 00007f480b48f0e0
R10: 0000000000000801 R11: 0000000000000246 R12: 0000200000000280
R13: 0000000000000006 R14: 0000000000000003 R15: 00007f480b48f0e0
Modules linked in:
---[ end trace c869f0298d58329a ]---
RIP: 0010:submit_bh_wbc+0x831/0x850 fs/buffer.c:3027
Code: 10 80 e1 07 80 c1 03 38 c1 0f 8c 14 fe ff ff 48 8b 7c 24 10 e8 00 88 ea ff e9 05 fe ff ff e8 d6 9d ba ff 0f 0b e8 cf 9d ba ff <0f> 0b e8 c8 9d ba ff 0f 0b e8 c1 9d ba ff 0f 0b e8 ba 9d ba ff 0f
RSP: 0000:ffff8881f0e977b0 EFLAGS: 00010293
RAX: ffffffff81a9ad31 RBX: 0000000000000000 RCX: ffff8881f0dacec0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000080000 R08: ffffffff81a9a5a4 R09: ffffed103b3ebcfd
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881d9f5e7e0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f480b48f6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f480b44dd58 CR3: 00000001de67b000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400