BUG: Bad page state in process syz.4.4652 pfn:11d4d page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888011d4d000 pfn:0x11d4d flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff888011d4d000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749270350, free_ts 1928766114926 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25470 tgid 25463 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xcd0/0xf00 mm/page_alloc.c:2638 vfree+0x186/0x2e0 mm/vmalloc.c:3361 cleanup_match net/ipv6/netfilter/ip6_tables.c:477 [inline] find_check_entry net/ipv6/netfilter/ip6_tables.c:581 [inline] translate_table+0x1ca3/0x2330 net/ipv6/netfilter/ip6_tables.c:733 do_replace net/ipv6/netfilter/ip6_tables.c:1154 [inline] do_ip6t_set_ctl+0xe4c/0x1270 net/ipv6/netfilter/ip6_tables.c:1644 nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101 rawv6_setsockopt+0x327/0x740 net/ipv6/raw.c:1054 do_sock_setsockopt+0x3af/0x720 net/socket.c:2334 __sys_setsockopt+0x1a2/0x250 net/socket.c:2357 __do_sys_setsockopt net/socket.c:2366 [inline] __se_sys_setsockopt net/socket.c:2363 [inline] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2363 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Not tainted 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:3de44 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803de443c0 pfn:0x3de44 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff88803de443c0 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749259425, free_ts 1928944258998 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 20034 tgid 20034 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xcd0/0xf00 mm/page_alloc.c:2638 vfree+0x186/0x2e0 mm/vmalloc.c:3361 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:882 [inline] get_entries net/ipv6/netfilter/ip6_tables.c:1039 [inline] do_ip6t_get_ctl+0x11eb/0x1820 net/ipv6/netfilter/ip6_tables.c:1677 nf_getsockopt+0x299/0x2c0 net/netfilter/nf_sockopt.c:116 ipv6_getsockopt+0x23e/0x360 net/ipv6/ipv6_sockglue.c:1493 tcp_getsockopt+0x163/0x1c0 net/ipv4/tcp.c:4670 do_sock_getsockopt+0x3c4/0x7e0 net/socket.c:2396 __sys_getsockopt+0x267/0x330 net/socket.c:2425 __do_sys_getsockopt net/socket.c:2435 [inline] __se_sys_getsockopt net/socket.c:2432 [inline] __x64_sys_getsockopt+0xb5/0xd0 net/socket.c:2432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:3d5f8 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803d5f8a20 pfn:0x3d5f8 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff88803d5f8a20 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749247390, free_ts 1929388683745 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25468 tgid 25468 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_page+0xcd0/0xf00 mm/page_alloc.c:2638 discard_slab mm/slub.c:2677 [inline] __put_partials+0xeb/0x130 mm/slub.c:3145 put_cpu_partial+0x17c/0x250 mm/slub.c:3220 __slab_free+0x2ea/0x3d0 mm/slub.c:4449 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4085 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141 new_handle fs/jbd2/transaction.c:461 [inline] jbd2__journal_start+0x14d/0x5d0 fs/jbd2/transaction.c:488 __ext4_journal_start_sb+0x239/0x600 fs/ext4/ext4_jbd2.c:112 __ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline] ext4_dirty_inode+0x92/0x110 fs/ext4/inode.c:5981 __mark_inode_dirty+0x2ee/0xe90 fs/fs-writeback.c:2493 generic_update_time fs/inode.c:2043 [inline] inode_update_time fs/inode.c:2056 [inline] __file_update_time fs/inode.c:2245 [inline] file_update_time+0x3b3/0x430 fs/inode.c:2275 ext4_page_mkwrite+0x206/0xdf0 fs/ext4/inode.c:6102 do_page_mkwrite+0x198/0x480 mm/memory.c:3162 do_shared_fault mm/memory.c:5373 [inline] do_fault mm/memory.c:5435 [inline] do_pte_missing mm/memory.c:3965 [inline] handle_pte_fault+0x11fa/0x6800 mm/memory.c:5766 Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:69a0d page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x3eb pfn:0x69a0d flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 00000000000003eb 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749235599, free_ts 1925710391573 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25346 tgid 25339 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x47b/0xfc0 mm/truncate.c:346 kill_bdev block/bdev.c:91 [inline] blkdev_flush_mapping+0x108/0x270 block/bdev.c:671 blkdev_put_whole block/bdev.c:678 [inline] bdev_release+0x460/0x700 block/bdev.c:1103 blkdev_release+0x15/0x20 block/fops.c:639 __fput+0x23f/0x880 fs/file_table.c:431 task_work_run+0x24f/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:5f25c page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88805f25cdc0 pfn:0x5f25c flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff88805f25cdc0 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749223378, free_ts 1928341935496 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25438 tgid 25438 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:6672d page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88806672dee0 pfn:0x6672d flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff88806672dee0 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749212583, free_ts 1928341940487 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25438 tgid 25438 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:64449 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x28 pfn:0x64449 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 0000000000000028 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749195367, free_ts 1928341944997 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25438 tgid 25438 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:341b3 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880341b3a00 pfn:0x341b3 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff8880341b3a00 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749183581, free_ts 1930726178201 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:4ed31 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x7f pfn:0x4ed31 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 000000000000007f 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749172278, free_ts 1930726187258 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:5cf7f page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1b2 pfn:0x5cf7f flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 00000000000001b2 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749160761, free_ts 1930726250966 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:24de2 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x37 pfn:0x24de2 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 0000000000000037 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749150119, free_ts 1930726262201 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:7efdb page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x3 pfn:0x7efdb flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 0000000000000003 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749137551, free_ts 1930726271454 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:69740 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1b1 pfn:0x69740 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 00000000000001b1 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749084337, free_ts 1930726280338 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:52ccc page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888052ccddc0 pfn:0x52ccc flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: ffff888052ccddc0 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749072590, free_ts 1930726289145 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:28a6a page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2fd pfn:0x28a6a flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 00000000000002fd 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749061022, free_ts 1930726336008 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:56b68 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2f9 pfn:0x56b68 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 00000000000002f9 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749049448, free_ts 1930726345198 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x166/0x1b0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:918 [inline] free_pages_prepare mm/page_alloc.c:1100 [inline] free_unref_page+0xe9c/0xf00 mm/page_alloc.c:2638 skb_free_frag include/linux/skbuff.h:3399 [inline] skb_free_head net/core/skbuff.c:1096 [inline] skb_release_data+0x6dc/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] __netif_receive_skb_core+0x3edd/0x4570 net/core/dev.c:5640 __netif_receive_skb_list_core+0x2b1/0x980 net/core/dev.c:5741 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 netif_receive_skb_list+0x55/0x4b0 net/core/dev.c:5951 xdp_recv_frames net/bpf/test_run.c:279 [inline] xdp_test_run_batch net/bpf/test_run.c:360 [inline] bpf_test_run_xdp_live+0x1b0d/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa5637e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffa57190038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffa56536058 RCX: 00007ffa5637e719 RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a RBP: 00007ffa563f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffa56536058 R15: 00007ffc0e0a4ef8 BUG: Bad page state in process syz.4.4652 pfn:2fc03 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x315 pfn:0x2fc03 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff8880619d0000 0000000000000000 raw: 0000000000000315 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 25501, tgid 25495 (syz.4.4652), ts 1930749037848, free_ts 1930726354478 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3033/0x3180 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_bulk_noprof+0x729/0xd40 mm/page_alloc.c:4681 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline] __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538 page_pool_alloc_netmem net/core/page_pool.c:590 [inline] page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597 page_pool_dev_alloc_pages include/net/page_pool/helpers.h:96 [inline] xdp_test_run_batch net/bpf/test_run.c:305 [inline] bpf_test_run_xdp_live+0x950/0x2160 net/bpf/test_run.c:389 bpf_prog_test_run_xdp+0x805/0x11e0 net/bpf/test_run.c:1317 bpf_prog_test_run+0x2e4/0x360 kernel/bpf/syscall.c:4266 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5671 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline] __se_sys_bpf kernel/bpf/syscall.c:5758 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5758 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 25494 tgid 25493 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1108 [inline] free_unref_folios+0xee2/0x18a0 mm/page_alloc.c:2686 folios_put_refs+0x76c/0x860 mm/swap.c:1007 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x496/0xc40 mm/mmap.c:1925 __mmput+0x115/0x380 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x28e0 kernel/exit.c:926 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 25501 Comm: syz.4.4652 Tainted: G B 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: