BUG: Bad page state in process syz.0.17  pfn:4f31d
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4f31d
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73310010813, free_ts 73026731938
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 59 tgid 59 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 pagetable_free include/linux/mm.h:2898 [inline]
 pagetable_dtor_free include/linux/mm.h:2996 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:220 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:290
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0x799/0x1530 kernel/rcu/tree.c:2861
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 do_softirq kernel/softirq.c:480 [inline]
 do_softirq+0xb2/0xf0 kernel/softirq.c:467
 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407
 addrconf_dad_work+0xafe/0x14e0 net/ipv6/addrconf.c:4278
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4f30e
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4f30e
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73310004128, free_ts 73026741410
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 59 tgid 59 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0x799/0x1530 kernel/rcu/tree.c:2861
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 do_softirq kernel/softirq.c:480 [inline]
 do_softirq+0xb2/0xf0 kernel/softirq.c:467
 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407
 addrconf_dad_work+0xafe/0x14e0 net/ipv6/addrconf.c:4278
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4f30c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4f30c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309997782, free_ts 73046017790
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 3 tgid 3 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 pagetable_free include/linux/mm.h:2898 [inline]
 pagetable_dtor_free include/linux/mm.h:2996 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:220 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:290
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0x799/0x1530 kernel/rcu/tree.c:2861
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4f30d
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4f30d
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309991415, free_ts 73046036996
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 3 tgid 3 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 pagetable_free include/linux/mm.h:2898 [inline]
 pagetable_dtor_free include/linux/mm.h:2996 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:220 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:290
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0x799/0x1530 kernel/rcu/tree.c:2861
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4f30a
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4f30a
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309985002, free_ts 73046045864
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 3 tgid 3 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0x799/0x1530 kernel/rcu/tree.c:2861
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4e572
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4e572
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309978563, free_ts 73066931259
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 6014 tgid 6014 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 vfree+0x1fd/0xb50 mm/vmalloc.c:3434
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3353
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4ee93
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ee93
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309972166, free_ts 73066941418
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 6014 tgid 6014 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 vfree+0x1fd/0xb50 mm/vmalloc.c:3434
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3353
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4ee92
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ee92
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309965693, free_ts 73066949410
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 6014 tgid 6014 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 vfree+0x1fd/0xb50 mm/vmalloc.c:3434
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3353
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4ee91
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ee91
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309959096, free_ts 73066957532
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 6014 tgid 6014 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 vfree+0x1fd/0xb50 mm/vmalloc.c:3434
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3353
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4ee90
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ee90
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309949227, free_ts 73066965037
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 6014 tgid 6014 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 vfree+0x1fd/0xb50 mm/vmalloc.c:3434
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3353
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>
BUG: Bad page state in process syz.0.17  pfn:4ee8f
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ee8f
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021d9d000 0000000000000000
raw: 0000000000000000 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 6125, tgid 6125 (syz.0.17), ts 73309942909, free_ts 73066972376
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x132b/0x38e0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:5148
 __alloc_pages_noprof mm/page_alloc.c:5182 [inline]
 alloc_pages_bulk_noprof+0x71c/0x1410 mm/page_alloc.c:5102
 alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
 __page_pool_alloc_netmems_slow+0x193/0xc60 net/core/page_pool.c:569
 page_pool_alloc_netmems net/core/page_pool.c:620 [inline]
 page_pool_alloc_netmems+0xc4/0x190 net/core/page_pool.c:607
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0x7c0/0xff0 net/core/skbuff.c:951
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:985
 netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
 netif_receive_generic_xdp net/core/dev.c:5382 [inline]
 do_xdp_generic+0x530/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
page last free pid 6014 tgid 6014 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0x7d5/0x10f0 mm/page_alloc.c:2895
 vfree+0x1fd/0xb50 mm/vmalloc.c:3434
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3353
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 2 UID: 0 PID: 6125 Comm: syz.0.17 Tainted: G    B               syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 bad_page+0xcf/0x220 mm/page_alloc.c:650
 free_page_is_bad mm/page_alloc.c:1083 [inline]
 free_page_is_bad mm/page_alloc.c:1077 [inline]
 free_pages_prepare mm/page_alloc.c:1387 [inline]
 __free_frozen_pages+0x7f7/0x10f0 mm/page_alloc.c:2895
 page_frag_free+0x27f/0x2e0 mm/page_frag_cache.c:169
 __xdp_return+0x3ab/0xab0 net/core/xdp.c:448
 bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4201 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
 bpf_xdp_adjust_tail+0xa11/0xfd0 net/core/filter.c:4219
 bpf_prog_f476d5219b92964a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run_xdp include/net/xdp.h:657 [inline]
 bpf_prog_run_generic_xdp+0x626/0x1530 net/core/dev.c:5272
 netif_receive_generic_xdp net/core/dev.c:5388 [inline]
 do_xdp_generic+0x8e6/0x1320 net/core/dev.c:5450
 __netif_receive_skb_core.constprop.0+0x1542/0x48c0 net/core/dev.c:5801
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:5989
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6104
 netif_receive_skb_internal net/core/dev.c:6190 [inline]
 netif_receive_skb+0x137/0x7b0 net/core/dev.c:6249
 tun_rx_batched.isra.0+0x3ee/0x740 drivers/net/tun.c:1509
 tun_get_user+0x28e4/0x3ce0 drivers/net/tun.c:1950
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:1996
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8b018d65f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
RSP: 002b:00007ffcbb5027b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe8b03d5fa0 RCX: 00007fe8b018d65f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fe8b0211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fe8b03d5fa0 R14: 00007fe8b03d5fa0 R15: 0000000000000003
 </TASK>