BUG: Bad page state in process syz.3.352  pfn:1e375
page:ffffea000078dd40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x1e375
flags: 0xfff10000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff10000002046 ffffea0000ab8848 ffffc900035e79a0 0000000000000000
raw: 000000000000001c ffff8880732672e8 00000000ffffffff 0000000000000000
page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x140c40(GFP_NOFS|__GFP_COMP|__GFP_HARDWALL), pid 5334, tgid 5333 (syz.3.352), ts 124774793585, free_ts 124507178537
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2560
 prep_new_page mm/page_alloc.c:2567 [inline]
 get_page_from_freelist+0x206b/0x2180 mm/page_alloc.c:4358
 __alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
 folio_alloc+0x1c/0x60 mm/mempolicy.c:2294
 filemap_alloc_folio+0xdb/0x480 mm/filemap.c:999
 do_read_cache_folio+0x1b9/0x790 mm/filemap.c:3623
 do_read_cache_page+0x32/0x230 mm/filemap.c:3701
 read_mapping_page include/linux/pagemap.h:821 [inline]
 __get_metapage+0x319/0xfb0 fs/jfs/jfs_metapage.c:620
 diRead+0x6e6/0xbb0 fs/jfs/jfs_imap.c:367
 jfs_iget+0x89/0x3f0 fs/jfs/inode.c:35
 jfs_fill_super+0x707/0xaf0 fs/jfs/super.c:581
 mount_bdev+0x28a/0x3c0 fs/super.c:1454
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1584
 do_new_mount+0x247/0xa50 fs/namespace.c:3104
 do_mount fs/namespace.c:3475 [inline]
 __do_sys_mount fs/namespace.c:3683 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3660
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1487 [inline]
 free_pcp_prepare mm/page_alloc.c:1537 [inline]
 free_unref_page_prepare+0x8e5/0x9e0 mm/page_alloc.c:3414
 free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
 release_pages+0x20d1/0x2340 mm/swap.c:1035
 tlb_batch_pages_flush mm/mmu_gather.c:60 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:255 [inline]
 tlb_flush_mmu+0x105/0x220 mm/mmu_gather.c:262
 tlb_finish_mmu+0xf0/0x220 mm/mmu_gather.c:394
 exit_mmap+0x388/0x970 mm/mmap.c:3305
 __mmput+0x118/0x3a0 kernel/fork.c:1214
 exit_mm+0x24d/0x350 kernel/exit.c:572
 do_exit+0x958/0x2570 kernel/exit.c:874
 do_group_exit+0x229/0x2e0 kernel/exit.c:1030
 __do_sys_exit_group kernel/exit.c:1041 [inline]
 __se_sys_exit_group kernel/exit.c:1039 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1039
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
Modules linked in:
CPU: 1 PID: 5352 Comm: syz.3.352 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 bad_page+0x14b/0x170 mm/page_alloc.c:726
 free_page_is_bad mm/page_alloc.c:1318 [inline]
 free_pages_prepare mm/page_alloc.c:1479 [inline]
 free_pcp_prepare mm/page_alloc.c:1537 [inline]
 free_unref_page_prepare+0x447/0x9e0 mm/page_alloc.c:3414
 free_unref_page_list+0xbb/0x8e0 mm/page_alloc.c:3555
 release_pages+0x20d1/0x2340 mm/swap.c:1035
 __pagevec_release+0x6d/0xe0 mm/swap.c:1055
 pagevec_release include/linux/pagevec.h:71 [inline]
 folio_batch_release include/linux/pagevec.h:135 [inline]
 truncate_inode_pages_range+0x35c/0x10b0 mm/truncate.c:397
 jfs_remount+0x348/0x5c0 fs/jfs/super.c:451
 reconfigure_super+0x224/0x8d0 fs/super.c:977
 do_remount fs/namespace.c:2767 [inline]
 path_mount+0xcce/0xfb0 fs/namespace.c:3454
 do_mount fs/namespace.c:3475 [inline]
 __do_sys_mount fs/namespace.c:3683 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3660
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5c025a0d8a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5c034bfe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5c034bfee0 RCX: 00007f5c025a0d8a
RDX: 0000200000008fc0 RSI: 0000200000009000 RDI: 0000000000000000
RBP: 0000200000008fc0 R08: 00007f5c034bfee0 R09: 0000000001a5a438
R10: 0000000001a5a438 R11: 0000000000000246 R12: 0000200000009000
R13: 00007f5c034bfea0 R14: 0000000000000000 R15: 0000200000009040
 </TASK>