BUG: Bad page state in process syz.0.15  pfn:2546d
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802546d140 pfn:0x2546d
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff88802546d140 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 6612, tgid 6611 (syz.0.15), ts 115692805134, free_ts 115167509591
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Not tainted 6.13.0-rc4-syzkaller-g4bbf9020becb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:7902b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807902bb40 pfn:0x7902b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff88807902bb40 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 6612, tgid 6611 (syz.0.15), ts 115692795762, free_ts 115167518303
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:27648
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888027648e58 pfn:0x27648
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff888027648e58 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 6612, tgid 6611 (syz.0.15), ts 115692785971, free_ts 115167536005
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:33a63
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888033a630f0 pfn:0x33a63
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff888033a630f0 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 6612, tgid 6611 (syz.0.15), ts 115692776685, free_ts 115167561535
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:34644
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888034644280 pfn:0x34644
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff888034644280 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 6612, tgid 6611 (syz.0.15), ts 115692765971, free_ts 115167570067
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:79e84
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807baa2600 pfn:0x79e84
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff88807baa2600 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 6612, tgid 6611 (syz.0.15), ts 115692755078, free_ts 115167583866
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:342f5
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880342f53c0 pfn:0x342f5
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff8880342f53c0 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 6612, tgid 6611 (syz.0.15), ts 115692743838, free_ts 115167598991
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:335
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:20f13
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888020f13000 pfn:0x20f13
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff888020f13000 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 6612, tgid 6611 (syz.0.15), ts 115692732517, free_ts 115167610501
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xd2c/0x1000 mm/page_alloc.c:2659
 tlb_batch_list_free mm/mmu_gather.c:159 [inline]
 tlb_finish_mmu+0x11f/0x200 mm/mmu_gather.c:468
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:33ece
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888033ece000 pfn:0x33ece
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff888033ece000 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 6612, tgid 6611 (syz.0.15), ts 115692721338, free_ts 115167619770
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6595 tgid 6595 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xd2c/0x1000 mm/page_alloc.c:2659
 tlb_batch_list_free mm/mmu_gather.c:159 [inline]
 tlb_finish_mmu+0x11f/0x200 mm/mmu_gather.c:468
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exit_mm+0x220/0x310 kernel/exit.c:570
 do_exit+0x9ad/0x28e0 kernel/exit.c:925
 do_group_exit+0x207/0x2c0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1096
 x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:73fc7
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888073fc7000 pfn:0x73fc7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 0000000000000000
raw: ffff888073fc7000 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 6612, tgid 6611 (syz.0.15), ts 115692710374, free_ts 115203644938
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 6599 tgid 6599 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_folios+0xe23/0x1890 mm/page_alloc.c:2706
 folios_put_refs+0x76c/0x860 mm/swap.c:962
 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x496/0xc20 mm/mmap.c:1681
 __mmput+0x115/0x3b0 kernel/fork.c:1348
 exec_mmap+0x779/0x860 fs/exec.c:1018
 begin_new_exec+0x1285/0x1f90 fs/exec.c:1274
 load_elf_binary+0x95b/0x2770 fs/binfmt_elf.c:1002
 search_binary_handler fs/exec.c:1748 [inline]
 exec_binprm fs/exec.c:1790 [inline]
 bprm_execve+0xaf5/0x17a0 fs/exec.c:1842
 do_execveat_common+0x55f/0x6f0 fs/exec.c:1949
 do_execve fs/exec.c:2023 [inline]
 __do_sys_execve fs/exec.c:2099 [inline]
 __se_sys_execve fs/exec.c:2094 [inline]
 __x64_sys_execve+0x92/0xb0 fs/exec.c:2094
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>
BUG: Bad page state in process syz.0.15  pfn:1e762
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e762
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880216a6000 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 6612, tgid 6611 (syz.0.15), ts 115692699265, free_ts 115214696309
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
 prep_new_page mm/page_alloc.c:1566 [inline]
 get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3476
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
 alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
 __page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
 page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
 page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
 page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
 skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
 netif_skb_check_for_xdp net/core/dev.c:5041 [inline]
 netif_receive_generic_xdp net/core/dev.c:5080 [inline]
 do_xdp_generic+0x505/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 25 tgid 25 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_unref_page+0xd2c/0x1000 mm/page_alloc.c:2659
 vfree+0x1c3/0x360 mm/vmalloc.c:3383
 delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 6612 Comm: syz.0.15 Tainted: G    B              6.13.0-rc4-syzkaller-g4bbf9020becb #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 bad_page+0x176/0x1d0 mm/page_alloc.c:501
 free_page_is_bad mm/page_alloc.c:923 [inline]
 free_pages_prepare mm/page_alloc.c:1119 [inline]
 free_unref_page+0xf9e/0x1000 mm/page_alloc.c:2659
 bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
 bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
 ____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
 bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
 bpf_prog_f476d5219b92964a+0x1e/0x20
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run_xdp include/net/xdp.h:514 [inline]
 bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:4973
 netif_receive_generic_xdp net/core/dev.c:5086 [inline]
 do_xdp_generic+0x757/0xd30 net/core/dev.c:5148
 __netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5492
 __netif_receive_skb_one_core net/core/dev.c:5670 [inline]
 __netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
 netif_receive_skb_internal net/core/dev.c:5871 [inline]
 netif_receive_skb+0x1e8/0x890 net/core/dev.c:5930
 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xaeb/0xd30 fs/read_write.c:679
 ksys_write+0x18f/0x2b0 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f994ab7e98f
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:00007f994b8f2020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f994ad45fa0 RCX: 00007f994ab7e98f
RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
RBP: 00007f994abf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f994ad45fa0 R15: 00007ffd240077b8
 </TASK>