------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2563!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 2 PID: 1122 Comm: kworker/u32:9 Not tainted 6.8.0-syzkaller-11767-g23956900041d #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_do_writepages+0x2572/0x3250 fs/ext4/inode.c:2563
Code: 48 c1 ea 03 80 3c 02 00 0f 85 44 0c 00 00 48 c7 44 24 28 0c d4 03 00 48 8b 44 24 08 48 8b 18 e9 c3 dc ff ff e8 0f 8b 47 ff 90 <0f> 0b e8 07 8b 47 ff 48 8b 4c 24 70 41 89 dc 48 b8 00 00 00 00 00
RSP: 0018:ffffc90005147340 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88803fa39e50 RCX: ffffffff8245cf1a
RDX: ffff888023220000 RSI: ffffffff8245e361 RDI: 0000000000000007
RBP: ffffc90005147550 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000001
R13: ffff888024892638 R14: 0000000000000001 R15: 0000000004208060
FS:  0000000000000000(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555749c2978 CR3: 000000002b3e0000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x303/0x730 fs/ext4/inode.c:2768
 do_writepages+0x1a3/0x7f0 mm/page-writeback.c:2612
 __writeback_single_inode+0x163/0xf90 fs/fs-writeback.c:1650
 writeback_sb_inodes+0x5a6/0x10d0 fs/fs-writeback.c:1941
 wb_writeback+0x28a/0xb30 fs/fs-writeback.c:2117
 wb_do_writeback fs/fs-writeback.c:2264 [inline]
 wb_workfn+0x28d/0xf40 fs/fs-writeback.c:2304
 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254
 process_scheduled_works kernel/workqueue.c:3335 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x2572/0x3250 fs/ext4/inode.c:2563
Code: 48 c1 ea 03 80 3c 02 00 0f 85 44 0c 00 00 48 c7 44 24 28 0c d4 03 00 48 8b 44 24 08 48 8b 18 e9 c3 dc ff ff e8 0f 8b 47 ff 90 <0f> 0b e8 07 8b 47 ff 48 8b 4c 24 70 41 89 dc 48 b8 00 00 00 00 00
RSP: 0018:ffffc90005147340 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88803fa39e50 RCX: ffffffff8245cf1a
RDX: ffff888023220000 RSI: ffffffff8245e361 RDI: 0000000000000007
RBP: ffffc90005147550 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000001
R13: ffff888024892638 R14: 0000000000000001 R15: 0000000004208060
FS:  0000000000000000(0000) GS:ffff88806b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd84d6ff000 CR3: 000000002b27a000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400