page: refcount:1 mapcount:0 mapping:ffff888044248220 index:0x3800 pfn:0x531c5
memcg:ffff88803f0c2000
aops:f2fs_meta_aops ino:2
flags: 0x4fff40000000029(locked|uptodate|lru|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff40000000029 ffffea00010e72c8 ffffea00010769c8 ffff888044248220
raw: 0000000000003800 0000000000000000 00000001ffffffff ffff88803f0c2000
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 5331, tgid 5330 (syz.0.0), ts 78333947869, free_ts 78327945667
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1718
 prep_new_page mm/page_alloc.c:1726 [inline]
 get_page_from_freelist+0x360a/0x37a0 mm/page_alloc.c:3700
 __alloc_frozen_pages_noprof+0x211/0x5b0 mm/page_alloc.c:4982
 alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301
 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline]
 alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2392
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2402
 filemap_alloc_folio_noprof+0xe4/0x550 mm/filemap.c:1007
 __filemap_get_folio+0x423/0xb40 mm/filemap.c:1969
 pagecache_get_page+0x2c/0x130 mm/folio-compat.c:81
 f2fs_pagecache_get_page fs/f2fs/f2fs.h:2869 [inline]
 ra_data_block+0x6e0/0x11f0 fs/f2fs/gc.c:1263
 gc_data_segment fs/f2fs/gc.c:1627 [inline]
 do_garbage_collect+0x3e44/0x9160 fs/f2fs/gc.c:1825
 f2fs_gc+0xf3c/0x2f60 fs/f2fs/gc.c:1929
 f2fs_balance_fs+0x690/0x8c0 fs/f2fs/segment.c:456
 f2fs_write_single_data_page+0x1347/0x1c50 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+0x1e3b/0x38d0 fs/f2fs/data.c:3323
 do_writepages+0x364/0x890 mm/page-writeback.c:2656
page last free pid 26 tgid 26 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1262 [inline]
 __free_frozen_pages+0xde8/0x10a0 mm/page_alloc.c:2725
 f2fs_write_end_io+0x318/0x790 fs/f2fs/data.c:338
 blk_update_request+0x5e5/0x1160 block/blk-mq.c:983
 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1145
 lo_rw_aio_do_completion drivers/block/loop.c:317 [inline]
 lo_rw_aio_complete drivers/block/loop.c:325 [inline]
 lo_rw_aio+0xdfd/0xf80 drivers/block/loop.c:398
 do_req_filebacked drivers/block/loop.c:-1 [inline]
 loop_handle_cmd drivers/block/loop.c:1866 [inline]
 loop_process_work+0x8e3/0x11f0 drivers/block/loop.c:1901
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 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: 26 Comm: kworker/u4:2 Not tainted 6.15.0-rc2-syzkaller-00404-g8560697b23dc #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+0x239/0x240 mm/filemap.c:1525
Code: b8 c5 ff 4c 89 ef 48 c7 c6 80 0e 54 8c e8 5f 13 12 00 90 0f 0b e8 77 b8 c5 ff 4c 89 ef 48 c7 c6 e0 06 54 8c e8 48 13 12 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:ffffc900004df468 EFLAGS: 00010246
RAX: c690132238784d00 RBX: 0000000000000008 RCX: ffffffff93686020
RDX: dffffc0000000000 RSI: ffffffff8e649760 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff905fe477 R09: 1ffffffff20bfc8e
R10: dffffc0000000000 R11: fffffbfff20bfc8f R12: ffffea00014c7148
R13: ffffea00014c7140 R14: 1ffffd4000298e29 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005556ce900fb8 CR3: 0000000044c94000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_finish_read_bio+0x354/0x490 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
 lo_rw_aio_do_completion drivers/block/loop.c:317 [inline]
 lo_rw_aio_complete drivers/block/loop.c:325 [inline]
 lo_rw_aio+0xdfd/0xf80 drivers/block/loop.c:398
 do_req_filebacked drivers/block/loop.c:-1 [inline]
 loop_handle_cmd drivers/block/loop.c:1866 [inline]
 loop_process_work+0x8e3/0x11f0 drivers/block/loop.c:1901
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 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+0x239/0x240 mm/filemap.c:1525
Code: b8 c5 ff 4c 89 ef 48 c7 c6 80 0e 54 8c e8 5f 13 12 00 90 0f 0b e8 77 b8 c5 ff 4c 89 ef 48 c7 c6 e0 06 54 8c e8 48 13 12 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:ffffc900004df468 EFLAGS: 00010246
RAX: c690132238784d00 RBX: 0000000000000008 RCX: ffffffff93686020
RDX: dffffc0000000000 RSI: ffffffff8e649760 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff905fe477 R09: 1ffffffff20bfc8e
R10: dffffc0000000000 R11: fffffbfff20bfc8f R12: ffffea00014c7148
R13: ffffea00014c7140 R14: 1ffffd4000298e29 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005569bd59f078 CR3: 0000000044c94000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400