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kernel BUG at fs/ext4/inode.c:2777!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 360 Comm: kworker/u4:4 Tainted: G        W         5.10.234-syzkaller-00033-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:8)
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2776
Code: 28 8c ff 31 ff 89 de e8 af 28 8c ff 45 84 f6 75 27 e8 15 26 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 01 26 8c ff <0f> 0b e8 fa 25 8c ff e8 c1 e2 21 ff eb 9b e8 ee 25 8c ff e8 b5 e2
RSP: 0018:ffffc90000d970a0 EFLAGS: 00010293
RAX: ffffffff81de994f RBX: 0000008000000000 RCX: ffff888110b662c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000d97490 R08: ffffffff81de63c3 R09: ffffed10272b176d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000d977d0 R14: 000000c410000000 R15: ffffc90000d97360
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555574cff4a8 CR3: 00000001365bd000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12e/0x270 mm/page-writeback.c:2380
 __writeback_single_inode+0xd7/0xac0 fs/fs-writeback.c:1470
 writeback_sb_inodes+0x99c/0x16b0 fs/fs-writeback.c:1733
 wb_writeback+0x404/0xc60 fs/fs-writeback.c:1908
 wb_do_writeback fs/fs-writeback.c:2053 [inline]
 wb_workfn+0x3d9/0x1110 fs/fs-writeback.c:2094
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace 87fa484def3fd06c ]---
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2776
Code: 28 8c ff 31 ff 89 de e8 af 28 8c ff 45 84 f6 75 27 e8 15 26 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 01 26 8c ff <0f> 0b e8 fa 25 8c ff e8 c1 e2 21 ff eb 9b e8 ee 25 8c ff e8 b5 e2
RSP: 0018:ffffc90000d970a0 EFLAGS: 00010293
RAX: ffffffff81de994f RBX: 0000008000000000 RCX: ffff888110b662c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000d97490 R08: ffffffff81de63c3 R09: ffffed10272b176d
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000d977d0 R14: 000000c410000000 R15: ffffc90000d97360
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdc3dbce58 CR3: 00000001083b3000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400