loop2: rw=2049, want=77952, limit=40427
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1497!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.4.268-syzkaller-00012-g51cf29fc2bfc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-7:2)
RIP: 0010:end_page_writeback+0x26e/0x270 mm/filemap.c:1497
Code: 48 ff cb e9 d3 fe ff ff e8 3f 18 e5 ff 48 ff cb 49 89 df e9 79 ff ff ff e8 2f 18 e5 ff 48 ff cb e9 6c fe ff ff e8 22 18 e5 ff <0f> 0b 55 41 57 41 56 41 54 53 89 d5 89 f3 49 89 fe e8 0c 18 e5 ff
RSP: 0018:ffff8881f5dbe808 EFLAGS: 00010293
RAX: ffffffff817f2efe RBX: 0000000000000000 RCX: ffff8881f5d65e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff817f2dd4 R09: fffff94000eaedd9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffffd4000eaedd9 R14: ffffea0007576ec8 R15: ffffea0007576ec0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1ed0f0b000 CR3: 00000001e926b000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 f2fs_write_end_io+0x6a8/0xa60 fs/f2fs/data.c:341
 generic_make_request_checks+0x31e/0x1c20 block/blk-core.c:985
 generic_make_request+0xe0/0xc90 block/blk-core.c:1025
 submit_bio+0x1bf/0x6d0 block/blk-core.c:1199
 f2fs_submit_merged_ipu_write+0x472/0x4f0 fs/f2fs/data.c:857
 f2fs_write_single_data_page+0x13f5/0x1a00 fs/f2fs/data.c:2873
 f2fs_write_cache_pages fs/f2fs/data.c:3084 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3235 [inline]
 f2fs_write_data_pages+0x169a/0x2c80 fs/f2fs/data.c:3262
 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 28cd18c40e26e30b ]---
RIP: 0010:end_page_writeback+0x26e/0x270 mm/filemap.c:1497
Code: 48 ff cb e9 d3 fe ff ff e8 3f 18 e5 ff 48 ff cb 49 89 df e9 79 ff ff ff e8 2f 18 e5 ff 48 ff cb e9 6c fe ff ff e8 22 18 e5 ff <0f> 0b 55 41 57 41 56 41 54 53 89 d5 89 f3 49 89 fe e8 0c 18 e5 ff
RSP: 0018:ffff8881f5dbe808 EFLAGS: 00010293
RAX: ffffffff817f2efe RBX: 0000000000000000 RCX: ffff8881f5d65e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff817f2dd4 R09: fffff94000eaedd9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffffd4000eaedd9 R14: ffffea0007576ec8 R15: ffffea0007576ec0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3392a000 CR3: 00000001e9637000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400