BUG: Bad page state in process syz.3.91  pfn:51b68
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x51b68
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888000000000 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 6272, tgid 6271 (syz.3.91), ts 52891927037, free_ts 52690610444
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Not tainted 6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:31d93
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x31d93
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888000000000 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 6272, tgid 6271 (syz.3.91), ts 52891919189, free_ts 52690628433
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:321e6
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880321e7e00 pfn:0x321e6
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff8880321e7e00 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 6272, tgid 6271 (syz.3.91), ts 52891911206, free_ts 52690645200
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:51f46
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x51f46
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 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 6272, tgid 6271 (syz.3.91), ts 52891903490, free_ts 52690661586
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:3429c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x3429c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888000000000 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 6272, tgid 6271 (syz.3.91), ts 52891895811, free_ts 52690677998
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:249ff
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x249ff
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888000000000 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 6272, tgid 6271 (syz.3.91), ts 52891887391, free_ts 52690688311
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:51b63
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x51b63
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 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 6272, tgid 6271 (syz.3.91), ts 52891879557, free_ts 52690704344
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:22ff0
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x22ff0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888000000000 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 6272, tgid 6271 (syz.3.91), ts 52891871670, free_ts 52690721543
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:2713a
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2713a
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 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 6272, tgid 6271 (syz.3.91), ts 52891863584, free_ts 52690731660
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:30b40
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888030b40f00 pfn:0x30b40
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888030b40f00 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 6272, tgid 6271 (syz.3.91), ts 52891855399, free_ts 52690748232
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>
BUG: Bad page state in process syz.3.91  pfn:23cd2
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x23cd2
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888020063000 0000000000000000
raw: ffff888000000000 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 6272, tgid 6271 (syz.3.91), ts 52891847477, free_ts 52690764959
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739
 __alloc_pages_noprof mm/page_alloc.c:4773 [inline]
 alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4693
 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline]
 __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542
 page_pool_alloc_netmems net/core/page_pool.c:593 [inline]
 page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:160 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline]
 skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893
 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927
 netif_skb_check_for_xdp net/core/dev.c:5262 [inline]
 netif_receive_generic_xdp net/core/dev.c:5301 [inline]
 do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
page last free pid 6258 tgid 6258 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:216 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2802
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: syz.3.91 Tainted: G    B              6.14.0-rc4-syzkaller-00052-gac9c34d1e45a #0
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+0xb3/0x1f0 mm/page_alloc.c:501
 free_page_is_bad_report mm/page_alloc.c:913 [inline]
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660
 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169
 __xdp_return+0x319/0xa70 net/core/xdp.c:447
 bpf_xdp_shrink_data net/core/filter.c:4155 [inline]
 bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline]
 ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline]
 bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:654 [inline]
 bpf_prog_run_generic_xdp+0x623/0x1500 net/core/dev.c:5194
 netif_receive_generic_xdp net/core/dev.c:5307 [inline]
 do_xdp_generic+0x70a/0xe70 net/core/dev.c:5369
 __netif_receive_skb_core.constprop.0+0x12da/0x4330 net/core/dev.c:5719
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5897
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:6012
 netif_receive_skb_internal net/core/dev.c:6098 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:6157
 tun_rx_batched.isra.0+0x3eb/0x730 drivers/net/tun.c:1574
 tun_get_user+0x2a22/0x3e50 drivers/net/tun.c:2007
 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1fb4b8bc1f
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:00007f1fb5930000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1fb4da5fa0 RCX: 00007f1fb4b8bc1f
RDX: 0000000000011dc0 RSI: 0000400000000440 RDI: 00000000000000c8
RBP: 00007f1fb4c0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1fb4da5fa0 R15: 00007ffc95e3dd38
 </TASK>