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kernel BUG at fs/ext4/inode.c:2563!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 61 Comm: kworker/u8:4 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:ext4_do_writepages+0x25fe/0x32e0 fs/ext4/inode.c:2563
Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 cf ed ff ff 48 8b 7c 24 08 e8 4d 03 a3 ff e9 c0 ed ff ff e8 d3 20 48 ff 90 <0f> 0b e8 cb 20 48 ff 48 8b 4c 24 70 41 89 de 48 b8 00 00 00 00 00
RSP: 0018:ffffc900015c73e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807657e450 RCX: ffffffff824607b5
RDX: ffff888018331e00 RSI: ffffffff82461b5d RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff888025e04000
R13: 0000000000000001 R14: ffffc900015c75f8 R15: ffff88807657e6b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020061000 CR3: 000000001fc30000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_writepages+0x30a/0x780 fs/ext4/inode.c:2768
 do_writepages+0x1b0/0x660 mm/page-writeback.c:2553
 __writeback_single_inode+0x163/0xe90 fs/fs-writeback.c:1650
 writeback_sb_inodes+0x5a6/0x1090 fs/fs-writeback.c:1941
 wb_writeback+0x28a/0xa90 fs/fs-writeback.c:2117
 wb_do_writeback fs/fs-writeback.c:2264 [inline]
 wb_workfn+0x290/0xe90 fs/fs-writeback.c:2304
 process_one_work+0x9ac/0x1a60 kernel/workqueue.c:3254
 process_scheduled_works kernel/workqueue.c:3335 [inline]
 worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416
 kthread+0x2c4/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 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+0x25fe/0x32e0 fs/ext4/inode.c:2563
Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 cf ed ff ff 48 8b 7c 24 08 e8 4d 03 a3 ff e9 c0 ed ff ff e8 d3 20 48 ff 90 <0f> 0b e8 cb 20 48 ff 48 8b 4c 24 70 41 89 de 48 b8 00 00 00 00 00
RSP: 0018:ffffc900015c73e8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807657e450 RCX: ffffffff824607b5
RDX: ffff888018331e00 RSI: ffffffff82461b5d RDI: 0000000000000007
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff888025e04000
R13: 0000000000000001 R14: ffffc900015c75f8 R15: ffff88807657e6b0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201dd000 CR3: 0000000021212000 CR4: 0000000000350ef0