ERROR: (device loop3): diFree: numfree > numinos BUG: Bad page state in process syz.3.10 pfn:7f50d page:ffffea0001fd4340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1c pfn:0x7f50d flags: 0xfff10000002046(referenced|uptodate|workingset|private|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff10000002046 ffffea0001e2c908 ffffea0001d76108 0000000000000000 raw: 000000000000001c ffff888028611000 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 4348, tgid 4347 (syz.3.10), ts 85843563029, free_ts 79650477205 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517 prep_new_page mm/page_alloc.c:2524 [inline] get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4313 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5589 folio_alloc+0x1a/0x50 mm/mempolicy.c:2292 filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:999 do_read_cache_folio+0x2a7/0x810 mm/filemap.c:3590 do_read_cache_page+0x32/0x220 mm/filemap.c:3668 read_mapping_page include/linux/pagemap.h:791 [inline] __get_metapage+0x32c/0x1040 fs/jfs/jfs_metapage.c:620 diRead+0x707/0xbb0 fs/jfs/jfs_imap.c:367 jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35 jfs_fill_super+0x804/0xc40 fs/jfs/super.c:580 mount_bdev+0x2c9/0x3f0 fs/super.c:1443 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632 vfs_get_tree+0x88/0x270 fs/super.c:1573 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1444 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] kmem_cache_alloc_node+0x136/0x310 mm/slub.c:3443 __alloc_skb+0xde/0x670 net/core/skbuff.c:505 alloc_skb include/linux/skbuff.h:1271 [inline] alloc_skb_with_frags+0xa4/0x740 net/core/skbuff.c:6162 sock_alloc_send_pskb+0x915/0xa50 net/core/sock.c:2747 unix_dgram_sendmsg+0x5b1/0x2050 net/unix/af_unix.c:1918 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x480/0x600 net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2161 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Modules linked in: CPU: 1 PID: 4348 Comm: syz.3.10 Not tainted 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 bad_page+0x14b/0x170 mm/page_alloc.c:699 free_page_is_bad_report mm/page_alloc.c:1281 [inline] free_page_is_bad mm/page_alloc.c:1291 [inline] free_pages_prepare mm/page_alloc.c:1437 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0x56b/0x1120 mm/page_alloc.c:3369 free_unref_page_list+0x663/0x900 mm/page_alloc.c:3510 release_pages+0x2836/0x2b40 mm/swap.c:1055 __pagevec_release+0x80/0xf0 mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] truncate_inode_pages_range+0x48a/0x1340 mm/truncate.c:372 jfs_remount+0x360/0x6a0 fs/jfs/super.c:451 reconfigure_super+0x43a/0x870 fs/super.c:977 do_remount fs/namespace.c:2712 [inline] path_mount+0xe69/0x1090 fs/namespace.c:3378 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2d8a17fefa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2d8b050e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2d8b050ef0 RCX: 00007f2d8a17fefa RDX: 0000000020000f40 RSI: 0000000020000f00 RDI: 0000000000000000 RBP: 0000000020000f40 R08: 00007f2d8b050ef0 R09: 0000000001a4a438 R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000000020000f00 R13: 00007f2d8b050eb0 R14: 0000000000000000 R15: 00000000200008c0