page: refcount:2 mapcount:0 mapping:ffff8880437a8220 index:0x1364 pfn:0x1f9c9 memcg:ffff888042876000 aops:f2fs_meta_aops ino:2 flags: 0xfff200000000a9(locked|waiters|uptodate|lru|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff200000000a9 ffffea00007f5148 ffffea00007f5188 ffff8880437a8220 raw: 0000000000001364 0000000000000000 00000002ffffffff ffff888042876000 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 5320, tgid 5319 (syz.0.0), ts 78001273665, free_ts 28140930458 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_pages_slowpath+0x2fe/0xce0 mm/page_alloc.c:4501 __alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:4983 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 page last free pid 4727 tgid 4727 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1254 [inline] __free_frozen_pages+0xc6e/0xe50 mm/page_alloc.c:2717 __slab_free+0x326/0x400 mm/slub.c:4553 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4147 [inline] slab_alloc_node mm/slub.c:4196 [inline] kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4203 getname_flags+0xb8/0x540 fs/namei.c:146 getname include/linux/fs.h:2879 [inline] do_sys_openat2+0xbc/0x1c0 fs/open.c:1431 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1463 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:1525! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 38 Comm: kworker/u4:3 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:ffffc90000597440 EFLAGS: 00010246 RAX: b39dd0fe18f0d800 RBX: ffffea00007e7240 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d96d3f0 RDI: 00000000ffffffff RBP: 0000000000000001 R08: ffffffff8fa0b5f7 R09: 1ffffffff1f416be R10: dffffc0000000000 R11: fffffbfff1f416bf R12: 1ffffd40000fce49 R13: 1ffffd40000fce48 R14: ffffea00007e7248 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fce2b5f37b0 CR3: 00000000510aa000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 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:ffffc90000597440 EFLAGS: 00010246 RAX: b39dd0fe18f0d800 RBX: ffffea00007e7240 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d96d3f0 RDI: 00000000ffffffff RBP: 0000000000000001 R08: ffffffff8fa0b5f7 R09: 1ffffffff1f416be R10: dffffc0000000000 R11: fffffbfff1f416bf R12: 1ffffd40000fce49 R13: 1ffffd40000fce48 R14: ffffea00007e7248 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dffb07c090 CR3: 0000000012028000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400