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kernel BUG at fs/ext4/inode.c:2844!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 9 Comm: kworker/u4:1 Not tainted 5.4.268-syzkaller-00012-gd0d34dcb02cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2843
Code: d1 9b ff 31 ff 89 de e8 78 d1 9b ff 45 84 f6 75 2e e8 5e cf 9b ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 4a cf 9b ff <0f> 0b e8 43 cf 9b ff 0f 0b e8 3c cf 9b ff e8 57 dc 37 ff eb 99 e8
RSP: 0018:ffff8881f5dd70e0 EFLAGS: 00010293
RAX: ffffffff81c877d6 RBX: 0000010000000000 RCX: ffff8881f5dcbf00
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881f5dd74d0 R08: ffffffff81c84426 R09: ffffed1039eb78b0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881cf5bc628
R13: 0000000000000001 R14: 0000018410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000cea000 CR3: 00000001d5b1c000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12b/0x270 mm/page-writeback.c:2344
 __writeback_single_inode+0xd9/0xcc0 fs/fs-writeback.c:1467
 writeback_sb_inodes+0x9e0/0x1800 fs/fs-writeback.c:1730
 wb_writeback+0x403/0xd70 fs/fs-writeback.c:1905
 wb_do_writeback fs/fs-writeback.c:2050 [inline]
 wb_workfn+0x3b6/0x1230 fs/fs-writeback.c:2091
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Modules linked in:
---[ end trace a7cb0facf4f5c0e0 ]---
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2843
Code: d1 9b ff 31 ff 89 de e8 78 d1 9b ff 45 84 f6 75 2e e8 5e cf 9b ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 4a cf 9b ff <0f> 0b e8 43 cf 9b ff 0f 0b e8 3c cf 9b ff e8 57 dc 37 ff eb 99 e8
RSP: 0018:ffff8881f5dd70e0 EFLAGS: 00010293
RAX: ffffffff81c877d6 RBX: 0000010000000000 RCX: ffff8881f5dcbf00
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881f5dd74d0 R08: ffffffff81c84426 R09: ffffed1039eb78b0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881cf5bc628
R13: 0000000000000001 R14: 0000018410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200048c0 CR3: 00000001d5b1c000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400