BUG: Bad page state in process syz.0.16  pfn:22e01
page does not match folio
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x22e01
ksm flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 00000000ffffffff ffffffffffffffff
raw: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: nonzero pincount
page_owner tracks the page as allocated
page last allocated via order 9, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 6534, tgid 6534 (syz.0.16), ts 83328752755, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
 alloc_pages_noprof mm/mempolicy.c:2507 [inline]
 folio_alloc_noprof+0x20/0x2d0 mm/mempolicy.c:2517
 filemap_alloc_folio_noprof+0x3a1/0x470 mm/filemap.c:1007
 ractl_alloc_folio mm/readahead.c:186 [inline]
 ra_alloc_folio mm/readahead.c:441 [inline]
 page_cache_ra_order+0x4e1/0xd70 mm/readahead.c:506
 do_sync_mmap_readahead mm/filemap.c:3236 [inline]
 filemap_fault+0x1b4b/0x2930 mm/filemap.c:3445
 __do_fault+0x10a/0x490 mm/memory.c:5152
 do_shared_fault mm/memory.c:5637 [inline]
 do_fault mm/memory.c:5711 [inline]
 do_pte_missing+0x1a6/0x3ba0 mm/memory.c:4234
 handle_pte_fault mm/memory.c:6052 [inline]
 __handle_mm_fault+0x152a/0x2a50 mm/memory.c:6195
 handle_mm_fault+0x589/0xd10 mm/memory.c:6364
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
page_owner free stack trace missing
Modules linked in:
CPU: 3 UID: 0 PID: 6534 Comm: syz.0.16 Not tainted 6.16.0-syzkaller-g89748acdf226 #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
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_tail_page_prepare+0x44f/0x5b0 mm/page_alloc.c:1135
 free_pages_prepare mm/page_alloc.c:1368 [inline]
 __free_frozen_pages+0xbae/0x10f0 mm/page_alloc.c:2895
 __folio_put+0x329/0x450 mm/swap.c:112
 folio_put_refs include/linux/mm.h:1378 [inline]
 filemap_free_folio+0x132/0x170 mm/filemap.c:235
 delete_from_page_cache_batch+0x741/0x9b0 mm/filemap.c:339
 truncate_inode_pages_range+0x279/0xe50 mm/truncate.c:380
 kill_bdev block/bdev.c:91 [inline]
 blkdev_flush_mapping+0xfb/0x290 block/bdev.c:712
 blkdev_put_whole+0xc4/0xf0 block/bdev.c:719
 bdev_release+0x47e/0x6d0 block/bdev.c:1144
 blkdev_release+0x15/0x20 block/fops.c:699
 __fput+0x3ff/0xb70 fs/file_table.c:468
 task_work_run+0x14d/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x86f/0x2bf0 kernel/exit.c:964
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1105
 __do_sys_exit_group kernel/exit.c:1116 [inline]
 __se_sys_exit_group kernel/exit.c:1114 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1114
 x64_sys_call+0x14fa/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fabb898e969
Code: Unable to access opcode bytes at 0x7fabb898e93f.
RSP: 002b:00007fff6fc31168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabb898e969
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: 000000066fc3125f R09: 00007fabb8b7d260
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fabb8b7d260 R14: 0000000000000003 R15: 00007fff6fc31220
 </TASK>
BUG: Bad page state in process syz.0.16  pfn:22e00
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x22e00
head: order:0 mapcount:0 entire_mapcount:1 nr_pages_mapped:0 pincount:0
flags: 0xfff0000000004d(locked|referenced|uptodate|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff0000000004d dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 00fff0000000004d dead000000000100 dead000000000122 0000000000000000
head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
head: 00fff00000000000 0000000000000000 00000000ffffffff 0000000000000000
head: ffffffffffffffff 0000000000000000 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 9, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 6534, tgid 6534 (syz.0.16), ts 83328752755, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
 alloc_pages_noprof mm/mempolicy.c:2507 [inline]
 folio_alloc_noprof+0x20/0x2d0 mm/mempolicy.c:2517
 filemap_alloc_folio_noprof+0x3a1/0x470 mm/filemap.c:1007
 ractl_alloc_folio mm/readahead.c:186 [inline]
 ra_alloc_folio mm/readahead.c:441 [inline]
 page_cache_ra_order+0x4e1/0xd70 mm/readahead.c:506
 do_sync_mmap_readahead mm/filemap.c:3236 [inline]
 filemap_fault+0x1b4b/0x2930 mm/filemap.c:3445
 __do_fault+0x10a/0x490 mm/memory.c:5152
 do_shared_fault mm/memory.c:5637 [inline]
 do_fault mm/memory.c:5711 [inline]
 do_pte_missing+0x1a6/0x3ba0 mm/memory.c:4234
 handle_pte_fault mm/memory.c:6052 [inline]
 __handle_mm_fault+0x152a/0x2a50 mm/memory.c:6195
 handle_mm_fault+0x589/0xd10 mm/memory.c:6364
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
page_owner free stack trace missing
Modules linked in:
CPU: 2 UID: 0 PID: 6534 Comm: syz.0.16 Tainted: G    B               6.16.0-syzkaller-g89748acdf226 #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 __folio_put+0x329/0x450 mm/swap.c:112
 folio_put_refs include/linux/mm.h:1378 [inline]
 filemap_free_folio+0x132/0x170 mm/filemap.c:235
 delete_from_page_cache_batch+0x741/0x9b0 mm/filemap.c:339
 truncate_inode_pages_range+0x279/0xe50 mm/truncate.c:380
 kill_bdev block/bdev.c:91 [inline]
 blkdev_flush_mapping+0xfb/0x290 block/bdev.c:712
 blkdev_put_whole+0xc4/0xf0 block/bdev.c:719
 bdev_release+0x47e/0x6d0 block/bdev.c:1144
 blkdev_release+0x15/0x20 block/fops.c:699
 __fput+0x3ff/0xb70 fs/file_table.c:468
 task_work_run+0x14d/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x86f/0x2bf0 kernel/exit.c:964
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1105
 __do_sys_exit_group kernel/exit.c:1116 [inline]
 __se_sys_exit_group kernel/exit.c:1114 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1114
 x64_sys_call+0x14fa/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fabb898e969
Code: Unable to access opcode bytes at 0x7fabb898e93f.
RSP: 002b:00007fff6fc31168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabb898e969
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000003 R08: 000000066fc3125f R09: 00007fabb8b7d260
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fabb8b7d260 R14: 0000000000000003 R15: 00007fff6fc31220
 </TASK>