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kernel BUG at fs/ext4/inode.c:2778!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7 Comm: kworker/u4:0 Tainted: G        W         5.10.238-syzkaller-00282-gd76d4cd0623a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:8)
RIP: 0010:ext4_writepages+0x2ddb/0x2e00 fs/ext4/inode.c:2777
Code: 39 94 ff 84 db 75 31 e8 b3 36 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 95 36 94 ff <0f> 0b e8 8e 36 94 ff e8 65 0d 31 ff eb 98 e8 82 36 94 ff e8 59 0d
RSP: 0018:ffffc90000077180 EFLAGS: 00010293
RAX: ffffffff81cf5d7b RBX: 0000008410000000 RCX: ffff88810024bb40
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000774f0 R08: dffffc0000000000 R09: ffffed1023415185
R10: ffffed1023415185 R11: 1ffff11023415184 R12: dffffc0000000000
R13: ffff888116089000 R14: 0000008000000000 R15: ffff88811a0a8c20
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000ffffffff CR3: 00000001206c7000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12a/0x270 mm/page-writeback.c:2380
 __writeback_single_inode+0xd5/0xa20 fs/fs-writeback.c:1470
 writeback_sb_inodes+0x860/0x1400 fs/fs-writeback.c:1733
 wb_writeback+0x3e3/0xb90 fs/fs-writeback.c:1908
 wb_do_writeback fs/fs-writeback.c:2053 [inline]
 wb_workfn+0x38f/0xe20 fs/fs-writeback.c:2094
 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301
 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447
 kthread+0x346/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace 4c8ae86f777feffc ]---
RIP: 0010:ext4_writepages+0x2ddb/0x2e00 fs/ext4/inode.c:2777
Code: 39 94 ff 84 db 75 31 e8 b3 36 94 ff 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 30 48 8b 5c 24 38 e9 21 f8 ff ff e8 95 36 94 ff <0f> 0b e8 8e 36 94 ff e8 65 0d 31 ff eb 98 e8 82 36 94 ff e8 59 0d
RSP: 0018:ffffc90000077180 EFLAGS: 00010293
RAX: ffffffff81cf5d7b RBX: 0000008410000000 RCX: ffff88810024bb40
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000774f0 R08: dffffc0000000000 R09: ffffed1023415185
R10: ffffed1023415185 R11: 1ffff11023415184 R12: dffffc0000000000
R13: ffff888116089000 R14: 0000008000000000 R15: ffff88811a0a8c20
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010d0ed000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400