page: refcount:1 mapcount:0 mapping:ffff888044db0220 index:0x1874 pfn:0x58487 memcg:ffff88804290e000 aops:f2fs_meta_aops ino:2 flags: 0x4fff40000000029(locked|uptodate|lru|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff40000000029 ffffea000108f8c8 ffffea000108b488 ffff888044db0220 raw: 0000000000001874 0000000000000000 00000001ffffffff ffff88804290e000 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 5328, tgid 5327 (syz.0.0), ts 84088624026, free_ts 84086500331 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1717 prep_new_page mm/page_alloc.c:1725 [inline] get_page_from_freelist+0x352b/0x36c0 mm/page_alloc.c:3652 __alloc_frozen_pages_noprof+0x211/0x5b0 mm/page_alloc.c:4934 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_setattr+0xf1e/0x12f0 fs/f2fs/file.c:1144 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x222/0x310 fs/open.c:65 page last free pid 5328 tgid 5327 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] free_unref_folios+0xe0e/0x17f0 mm/page_alloc.c:2737 folios_put_refs+0x70a/0x800 mm/swap.c:992 folio_batch_release include/linux/pagevec.h:101 [inline] invalidate_inode_pages2_range+0x70d/0x970 mm/truncate.c:703 do_checkpoint+0x2a43/0x46e0 fs/f2fs/checkpoint.c:1593 f2fs_write_checkpoint+0x1448/0x1da0 fs/f2fs/checkpoint.c:1698 f2fs_gc+0xbbb/0x2f60 fs/f2fs/gc.c:1904 f2fs_balance_fs+0x690/0x8c0 fs/f2fs/segment.c:456 f2fs_setattr+0xf1e/0x12f0 fs/f2fs/file.c:1144 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x222/0x310 fs/open.c:65 vfs_truncate+0x4a6/0x540 fs/open.c:115 do_sys_truncate+0xd8/0x190 fs/open.c:138 __do_sys_truncate fs/open.c:150 [inline] __se_sys_truncate fs/open.c:148 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:148 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 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: 179 Comm: kworker/u4:5 Not tainted 6.15.0-rc1-syzkaller-00301-g3bde70a2c827 #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: c9 c5 ff 4c 89 ef 48 c7 c6 00 11 54 8c e8 0f 11 12 00 90 0f 0b e8 77 c9 c5 ff 4c 89 ef 48 c7 c6 60 09 54 8c e8 f8 10 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:ffffc90001b2f448 EFLAGS: 00010246 RAX: 2cc7cf6c99e81a00 RBX: 0000000000000008 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8e4fde5e RDI: ffffffff8ca1b4a0 RBP: 0000000000000000 R08: ffffffff82394526 R09: 1ffff11003f847d2 R10: dffffc0000000000 R11: ffffed1003f847d3 R12: ffffea00016121c8 R13: ffffea00016121c0 R14: 1ffffd40002c2439 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88808c594000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558b8a18eb30 CR3: 000000000eb38000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 loop_handle_cmd drivers/block/loop.c:1960 [inline] loop_process_work+0x1bdf/0x21d0 drivers/block/loop.c:1978 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 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_read+0x239/0x240 mm/filemap.c:1525 Code: c9 c5 ff 4c 89 ef 48 c7 c6 00 11 54 8c e8 0f 11 12 00 90 0f 0b e8 77 c9 c5 ff 4c 89 ef 48 c7 c6 60 09 54 8c e8 f8 10 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:ffffc90001b2f448 EFLAGS: 00010246 RAX: 2cc7cf6c99e81a00 RBX: 0000000000000008 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff8e4fde5e RDI: ffffffff8ca1b4a0 RBP: 0000000000000000 R08: ffffffff82394526 R09: 1ffff11003f847d2 R10: dffffc0000000000 R11: ffffed1003f847d3 R12: ffffea00016121c8 R13: ffffea00016121c0 R14: 1ffffd40002c2439 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88808c594000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558b8a18eb30 CR3: 000000000eb38000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400