page: refcount:2 mapcount:0 mapping:ffff8880441b8220 index:0x3899 pfn:0x3f7d7 memcg:ffff888041ca4000 aops:f2fs_meta_aops ino:2 flags: 0x4fff400000000a9(locked|waiters|uptodate|lru|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff400000000a9 ffffea00010ab808 ffffea00010ab848 ffff8880441b8220 raw: 0000000000003899 0000000000000000 00000002ffffffff ffff888041ca4000 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 5324, tgid 5322 (syz.0.0), ts 79726465757, free_ts 79663715946 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1d8/0x230 mm/page_alloc.c:1718 prep_new_page mm/page_alloc.c:1726 [inline] get_page_from_freelist+0x21ce/0x22b0 mm/page_alloc.c:3688 __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+0x36a4/0x78c0 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_create+0x458/0x5c0 fs/f2fs/namei.c:392 lookup_open fs/namei.c:3701 [inline] open_last_lookups fs/namei.c:3800 [inline] path_openat+0x14f1/0x3830 fs/namei.c:4036 do_filp_open+0x1fa/0x410 fs/namei.c:4066 page last free pid 5303 tgid 5303 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2725 __slab_free+0x326/0x400 mm/slub.c:4567 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/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:4161 [inline] slab_alloc_node mm/slub.c:4210 [inline] kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4217 getname_flags+0xb8/0x540 fs/namei.c:146 getname include/linux/fs.h:2852 [inline] getname_maybe_null include/linux/fs.h:2859 [inline] vfs_fstatat+0x43/0x160 fs/stat.c:367 __do_sys_newfstatat fs/stat.c:536 [inline] __se_sys_newfstatat fs/stat.c:530 [inline] __x64_sys_newfstatat+0x11c/0x1a0 fs/stat.c:530 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 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: 1090 Comm: kworker/u4:10 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #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: 57 c9 ff 48 89 df 48 c7 c6 c0 0a 94 8b e8 fa 6d 10 00 90 0f 0b e8 92 57 c9 ff 48 89 df 48 c7 c6 20 03 94 8b e8 e3 6d 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:ffffc90002647500 EFLAGS: 00010246 RAX: 39568617e16aed00 RBX: ffffea0000fdf5c0 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d956b7f RDI: 00000000ffffffff RBP: 0000000000000001 R08: ffffffff8f9f8377 R09: 1ffffffff1f3f06e R10: dffffc0000000000 R11: fffffbfff1f3f06f R12: 1ffffd40001fbeb9 R13: 1ffffd40001fbeb8 R14: ffffea0000fdf5c8 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88808d2a3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005641c76f2a80 CR3: 00000000401f2000 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+0x5ee/0xe80 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+0xda6/0xf30 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+0x804/0xf30 drivers/block/loop.c:1901 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 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 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1525 Code: 57 c9 ff 48 89 df 48 c7 c6 c0 0a 94 8b e8 fa 6d 10 00 90 0f 0b e8 92 57 c9 ff 48 89 df 48 c7 c6 20 03 94 8b e8 e3 6d 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:ffffc90002647500 EFLAGS: 00010246 RAX: 39568617e16aed00 RBX: ffffea0000fdf5c0 RCX: 0000000000000000 RDX: 0000000000000006 RSI: ffffffff8d956b7f RDI: 00000000ffffffff RBP: 0000000000000001 R08: ffffffff8f9f8377 R09: 1ffffffff1f3f06e R10: dffffc0000000000 R11: fffffbfff1f3f06f R12: 1ffffd40001fbeb9 R13: 1ffffd40001fbeb8 R14: ffffea0000fdf5c8 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88808d2a3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b7bf2930a8 CR3: 00000000401f2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400