f2fs_get_new_data_folio+0x138/0x870 fs/f2fs/data.c:1363
 f2fs_add_regular_entry+0x5a3/0xc10 fs/f2fs/dir.c:702
 f2fs_add_dentry+0xda/0x1d0 fs/f2fs/dir.c:771
 f2fs_do_add_link+0x20f/0x3b0 fs/f2fs/dir.c:810
 f2fs_add_link fs/f2fs/f2fs.h:3717 [inline]
 f2fs_create+0x337/0x5c0 fs/f2fs/namei.c:380
page last free pid 5806 tgid 5806 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0xc65/0xe60 mm/page_alloc.c:2706
 __folio_put+0x21b/0x2c0 mm/swap.c:112
 pipe_buf_release include/linux/pipe_fs_i.h:282 [inline]
 pipe_update_tail fs/pipe.c:242 [inline]
 anon_pipe_read+0x643/0x1040 fs/pipe.c:361
 new_sync_read fs/read_write.c:491 [inline]
 vfs_read+0x4d0/0x980 fs/read_write.c:572
 ksys_read+0x145/0x250 fs/read_write.c:715
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1498!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:folio_unlock+0x13d/0x160 mm/filemap.c:1498
Code: de c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 cb 6d 0e 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 c0 2c 94 8b e8 b4 6d 0e 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 9d 6d 0e 00
RSP: 0018:ffffc90000126e28 EFLAGS: 00010246
RAX: f1f3e7ec2cf34900 RBX: ffffea0001e14f40 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8d96d7f4 RDI: 00000000ffffffff
RBP: ffffc90000127110 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: 1ffffd40003c29e9
R13: 00fff00000004018 R14: ffffea0001e14f48 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffec8293ff8 CR3: 0000000075214000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_sync_node_pages+0x180a/0x1a10 fs/f2fs/node.c:2081
 f2fs_write_node_pages+0x303/0x6e0 fs/f2fs/node.c:2183
 do_writepages+0x32b/0x550 mm/page-writeback.c:2636
 __writeback_single_inode+0x145/0xff0 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x6b5/0x1000 fs/fs-writeback.c:1976
 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x409/0xef0 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_unlock+0x13d/0x160 mm/filemap.c:1498
Code: de c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 cb 6d 0e 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 c0 2c 94 8b e8 b4 6d 0e 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 9d 6d 0e 00
RSP: 0018:ffffc90000126e28 EFLAGS: 00010246
RAX: f1f3e7ec2cf34900 RBX: ffffea0001e14f40 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8d96d7f4 RDI: 00000000ffffffff
RBP: ffffc90000127110 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: 1ffffd40003c29e9
R13: 00fff00000004018 R14: ffffea0001e14f48 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffec8293ff8 CR3: 0000000075214000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400