page: refcount:2 mapcount:0 mapping:ffff888045580220 index:0x3806 pfn:0x34a68
memcg:ffff88804310a000
aops:f2fs_meta_aops ino:2
flags: 0x4fff200000000a9(locked|waiters|uptodate|lru|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff200000000a9 ffffea00017f8648 ffffea0001499f08 ffff888045580220
raw: 0000000000003806 0000000000000000 00000002ffffffff ffff88804310a000
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 5322, tgid 5320 (syz.0.0), ts 76946301805, free_ts 76943085215
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
 alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2371
 filemap_alloc_folio_noprof+0xe1/0x540 mm/filemap.c:1019
 __filemap_get_folio+0x438/0xae0 mm/filemap.c:1970
 pagecache_get_page+0x2c/0x130 mm/folio-compat.c:87
 f2fs_pagecache_get_page fs/f2fs/f2fs.h:2804 [inline]
 ra_data_block+0x673/0xb30 fs/f2fs/gc.c:1263
 gc_data_segment fs/f2fs/gc.c:1627 [inline]
 do_garbage_collect+0x3b50/0x80f0 fs/f2fs/gc.c:1825
 f2fs_gc+0xf3a/0x2f60 fs/f2fs/gc.c:1929
 f2fs_balance_fs+0x5f1/0x810 fs/f2fs/segment.c:456
 f2fs_map_blocks+0x4445/0x4e70 fs/f2fs/data.c:1779
 f2fs_preallocate_blocks fs/f2fs/file.c:4836 [inline]
 f2fs_file_write_iter+0x1125/0x2550 fs/f2fs/file.c:5072
 iter_file_splice_write+0xbfa/0x1510 fs/splice.c:743
page last free pid 81 tgid 81 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe40/0x18b0 mm/page_alloc.c:2707
 shrink_folio_list+0x41a7/0x5ac0 mm/vmscan.c:1518
 evict_folios+0x45fd/0x56a0 mm/vmscan.c:4660
 try_to_shrink_lruvec+0x713/0x9b0 mm/vmscan.c:4821
 shrink_one+0x3b9/0x850 mm/vmscan.c:4866
 shrink_many mm/vmscan.c:4929 [inline]
 lru_gen_shrink_node mm/vmscan.c:5007 [inline]
 shrink_node+0x379b/0x3e20 mm/vmscan.c:5978
 kswapd_shrink_node mm/vmscan.c:6807 [inline]
 balance_pgdat mm/vmscan.c:6999 [inline]
 kswapd+0x20f3/0x3b10 mm/vmscan.c:7264
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
------------[ cut here ]------------
kernel BUG at mm/filemap.c:1526!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 1036 Comm: kworker/u4:7 Not tainted 6.14.0-rc4-syzkaller-00015-g2a1944bff549 #0
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+0x239/0x240 mm/filemap.c:1526
Code: 3e c7 ff 4c 89 ef 48 c7 c6 c0 d7 33 8c e8 3f d9 11 00 90 0f 0b e8 87 3e c7 ff 4c 89 ef 48 c7 c6 00 d0 33 8c e8 28 d9 11 00 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900026df3e8 EFLAGS: 00010246
RAX: 9e95db91a2825100 RBX: 0000000000000008 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c2aa440 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9454994f R09: 1ffffffff28a9329
R10: dffffc0000000000 R11: fffffbfff28a932a R12: ffffea0000d29a08
R13: ffffea0000d29a00 R14: 1ffffd40001a5341 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a2602588f0 CR3: 0000000043136000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_finish_read_bio+0x3bb/0x850 fs/f2fs/data.c:154
 blk_update_request+0x5e5/0x1160 block/blk-mq.c:983
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1145
 loop_handle_cmd drivers/block/loop.c:1946 [inline]
 loop_process_work+0x1bc8/0x21c0 drivers/block/loop.c:1964
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_end_read+0x239/0x240 mm/filemap.c:1526
Code: 3e c7 ff 4c 89 ef 48 c7 c6 c0 d7 33 8c e8 3f d9 11 00 90 0f 0b e8 87 3e c7 ff 4c 89 ef 48 c7 c6 00 d0 33 8c e8 28 d9 11 00 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900026df3e8 EFLAGS: 00010246
RAX: 9e95db91a2825100 RBX: 0000000000000008 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8c2aa440 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9454994f R09: 1ffffffff28a9329
R10: dffffc0000000000 R11: fffffbfff28a932a R12: ffffea0000d29a08
R13: ffffea0000d29a00 R14: 1ffffd40001a5341 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a2602588f0 CR3: 00000000123d4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400