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kernel BUG at fs/ext4/inode.c:2609!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 352 Comm: kworker/u8:4 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_do_writepages+0x3d13/0x3d30 fs/ext4/inode.c:2608
Code: 0f 6b ff 31 ff 89 de e8 0b 0f 6b ff 45 84 f6 75 27 e8 01 0c 6b ff 48 bb 00 00 00 00 00 fc ff df e9 db f7 ff ff e8 ed 0b 6b ff <0f> 0b e8 e6 0b 6b ff e8 e1 b1 ee fe eb a0 e8 da 0b 6b ff e8 d5 b1
RSP: 0018:ffffc90001366d60 EFLAGS: 00010293
RAX: ffffffff8211ffa3 RBX: 0000004000000000 RCX: ffff88811ad68000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc90001367170 R08: ffffffff8211c78d R09: 1ffff11022c2cef5
R10: ffffed1022c2cef6 R11: ffffed1022c2cef6 R12: 0000000000000001
R13: ffffc90001367680 R14: 0000006210000000 R15: ffffc900013671c0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555561de8818 CR3: 000000011c0cc000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x2a6/0x590 fs/ext4/inode.c:2813
 do_writepages+0x348/0x860 mm/page-writeback.c:2683
 __writeback_single_inode+0xd2/0xc50 fs/fs-writeback.c:1658
 writeback_sb_inodes+0x766/0x1220 fs/fs-writeback.c:1954
 wb_writeback+0x3ac/0x8c0 fs/fs-writeback.c:2134
 wb_do_writeback fs/fs-writeback.c:2281 [inline]
 wb_workfn+0x39d/0x10f0 fs/fs-writeback.c:2321
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0x766/0x1040 kernel/workqueue.c:3310
 worker_thread+0x974/0xdc0 kernel/workqueue.c:3391
 kthread+0x2e7/0x380 kernel/kthread.c:389
 ret_from_fork+0x55/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3d13/0x3d30 fs/ext4/inode.c:2608
Code: 0f 6b ff 31 ff 89 de e8 0b 0f 6b ff 45 84 f6 75 27 e8 01 0c 6b ff 48 bb 00 00 00 00 00 fc ff df e9 db f7 ff ff e8 ed 0b 6b ff <0f> 0b e8 e6 0b 6b ff e8 e1 b1 ee fe eb a0 e8 da 0b 6b ff e8 d5 b1
RSP: 0018:ffffc90001366d60 EFLAGS: 00010293
RAX: ffffffff8211ffa3 RBX: 0000004000000000 RCX: ffff88811ad68000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc90001367170 R08: ffffffff8211c78d R09: 1ffff11022c2cef5
R10: ffffed1022c2cef6 R11: ffffed1022c2cef6 R12: 0000000000000001
R13: ffffc90001367680 R14: 0000006210000000 R15: ffffc900013671c0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056544c694018 CR3: 00000000070a8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400