syzbot

page: refcount:2 mapcount:0 mapping:ffff8880437d0220 index:0x138b pfn:0x34366
memcg:ffff8880351be000
aops:f2fs_meta_aops ino:2
flags: 0x4fff400000000a9(locked|waiters|uptodate|lru|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff400000000a9 ffffea0001036808 ffffea0001036848 ffff8880437d0220
raw: 000000000000138b 0000000000000000 00000002ffffffff ffff8880351be000
page dumped because: VM_BUG_ON_FOLIO(success && folio_test_uptodate(folio))
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5313, tgid 5312 (syz.0.0), ts 70360262414, free_ts 70277532941
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1710
 prep_new_page mm/page_alloc.c:1718 [inline]
 get_page_from_freelist+0x21e0/0x22c0 mm/page_alloc.c:3680
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4970
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2301
 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline]
 alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2392
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2402
 filemap_alloc_folio_noprof+0xdf/0x470 mm/filemap.c:1007
 __filemap_get_folio+0x3f2/0xaf0 mm/filemap.c:1969
 pagecache_get_page+0x2a/0x130 mm/folio-compat.c:81
 f2fs_pagecache_get_page fs/f2fs/f2fs.h:2869 [inline]
 ra_data_block+0x54d/0xeb0 fs/f2fs/gc.c:1263
 gc_data_segment fs/f2fs/gc.c:1627 [inline]
 do_garbage_collect+0x3811/0x7b80 fs/f2fs/gc.c:1825
 f2fs_gc+0xc69/0x2540 fs/f2fs/gc.c:1929
 f2fs_balance_fs+0x55b/0x780 fs/f2fs/segment.c:456
 f2fs_write_single_data_page+0x10e0/0x1810 fs/f2fs/data.c:2910
 f2fs_write_cache_pages fs/f2fs/data.c:3145 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3296 [inline]
 f2fs_write_data_pages+0x1810/0x31f0 fs/f2fs/data.c:3323
 do_writepages+0x32e/0x550 mm/page-writeback.c:2635
page last free pid 79 tgid 79 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1254 [inline]
 free_unref_folios+0xcc9/0x1550 mm/page_alloc.c:2774
 shrink_folio_list+0x3047/0x4e80 mm/vmscan.c:1555
 evict_folios+0x417b/0x5110 mm/vmscan.c:4701
 try_to_shrink_lruvec+0x705/0x990 mm/vmscan.c:4862
 shrink_one+0x21b/0x7c0 mm/vmscan.c:4907
 shrink_many mm/vmscan.c:4970 [inline]
 lru_gen_shrink_node mm/vmscan.c:5048 [inline]
 shrink_node+0x3139/0x3750 mm/vmscan.c:6019
 kswapd_shrink_node mm/vmscan.c:6870 [inline]
 balance_pgdat mm/vmscan.c:7053 [inline]
 kswapd+0x1675/0x2970 mm/vmscan.c:7318
 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
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1525!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 1040 Comm: kworker/u4:7 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: loop0 loop_workfn
RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1525
Code: e7 c8 ff 48 89 df 48 c7 c6 e0 2d 94 8b e8 2a 76 10 00 90 0f 0b e8 e2 e7 c8 ff 48 89 df 48 c7 c6 40 26 94 8b e8 13 76 10 00 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc90002607440 EFLAGS: 00010246
RAX: a4bad129e2341d00 RBX: ffffea0000d0d980 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8d96d3f0 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8fa0b5f7 R09: 1ffffffff1f416be
R10: dffffc0000000000 R11: fffffbfff1f416bf R12: 1ffffd40001a1b31
R13: 1ffffd40001a1b30 R14: ffffea0000d0d988 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559542898de0 CR3: 000000005119a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_finish_read_bio+0x2e1/0x3e0 fs/f2fs/data.c:154
 blk_update_request+0x5eb/0xe70 block/blk-mq.c:987
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1149
 lo_rw_aio_do_completion drivers/block/loop.c:317 [inline]
 lo_rw_aio_complete drivers/block/loop.c:325 [inline]
 lo_rw_aio+0xda6/0xf30 drivers/block/loop.c:398
 do_req_filebacked drivers/block/loop.c:-1 [inline]
 loop_handle_cmd drivers/block/loop.c:1886 [inline]
 loop_process_work+0x810/0xf40 drivers/block/loop.c:1921
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xae1/0x17b0 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_end_read+0x22e/0x230 mm/filemap.c:1525
Code: e7 c8 ff 48 89 df 48 c7 c6 e0 2d 94 8b e8 2a 76 10 00 90 0f 0b e8 e2 e7 c8 ff 48 89 df 48 c7 c6 40 26 94 8b e8 13 76 10 00 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc90002607440 EFLAGS: 00010246
RAX: a4bad129e2341d00 RBX: ffffea0000d0d980 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8d96d3f0 RDI: 00000000ffffffff
RBP: 0000000000000001 R08: ffffffff8fa0b5f7 R09: 1ffffffff1f416be
R10: dffffc0000000000 R11: fffffbfff1f416bf R12: 1ffffd40001a1b31
R13: 1ffffd40001a1b30 R14: ffffea0000d0d988 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559542898de0 CR3: 000000005119a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400