Warning: Permanently added '10.128.15.209' (ED25519) to the list of known hosts.
2024/12/09 01:29:01 ignoring optional flag "sandboxArg"="0"
2024/12/09 01:29:02 parsed 1 programs
[ 56.203621][ T3911] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 57.591637][ T3932] veth0_vlan: entered promiscuous mode
[ 57.820095][ T50] veth0_vlan: left promiscuous mode
2024/12/09 01:29:05 executed programs: 0
[ 58.522293][ T4142] veth0_vlan: entered promiscuous mode
[ 58.675786][ T4318] BUG: Bad page state in process syz.2.15 pfn:117b21
[ 58.682550][ T4318] page:ffffea00045ec840 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117b21
[ 58.692867][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 58.698668][ T4318] page_type: 0xffffffff()
[ 58.702970][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 58.711548][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 58.720292][ T4318] page dumped because: page_pool leak
[ 58.725889][ T4318] page_owner tracks the page as allocated
[ 58.731642][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675766153, free_ts 58369867418
[ 58.749883][ T4318] post_alloc_hook+0x15a/0x180
[ 58.754673][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 58.760367][ T4318] __alloc_pages+0x11f/0x280
[ 58.765009][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 58.770031][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 58.775946][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 58.781135][ T4318] do_xdp_generic+0xec/0x300
[ 58.785719][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 58.791237][ T4318] __netif_receive_skb+0x3b/0x160
[ 58.796517][ T4318] netif_receive_skb+0x78/0x1f0
[ 58.801707][ T4318] tun_rx_batched+0x1be/0x200
[ 58.806398][ T4318] tun_get_user+0xf4a/0x12f0
[ 58.811078][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 58.816006][ T4318] vfs_write+0x3f9/0x4c0
[ 58.820226][ T4318] ksys_write+0x70/0xe0
[ 58.824442][ T4318] do_syscall_64+0x94/0x1a0
[ 58.828943][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 58.835290][ T4318] free_unref_page_prepare+0x3db/0x470
[ 58.840719][ T4318] free_unref_page+0x37/0x260
[ 58.845388][ T4318] vfree+0x7a/0xe0
[ 58.849113][ T4318] delayed_vfree_work+0x1b/0x30
[ 58.853936][ T4318] process_scheduled_works+0x250/0x4d0
[ 58.859469][ T4318] worker_thread+0x23d/0x300
[ 58.864052][ T4318] kthread+0xe9/0x100
[ 58.868192][ T4318] ret_from_fork+0x32/0x40
[ 58.872596][ T4318] ret_from_fork_asm+0x1b/0x30
[ 58.877362][ T4318] Modules linked in:
[ 58.881240][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Not tainted 6.8.0-rc3-syzkaller #0
[ 58.889739][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 58.899790][ T4318] Call Trace:
[ 58.903044][ T4318]
[ 58.905956][ T4318] dump_stack_lvl+0x83/0xd0
[ 58.910604][ T4318] bad_page+0xdd/0xf0
[ 58.914573][ T4318] free_unref_page_prepare+0x453/0x470
[ 58.920017][ T4318] free_unref_page+0x37/0x260
[ 58.924668][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 58.930379][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 58.936117][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 58.941053][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 58.945985][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 58.950637][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 58.955982][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 58.961592][ T4318] do_xdp_generic+0x1a2/0x300
[ 58.966275][ T4318] ? tun_rx_batched+0x19f/0x200
[ 58.971096][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 58.976639][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 58.981381][ T4318] ? tun_rx_batched+0x19f/0x200
[ 58.986385][ T4318] __netif_receive_skb+0x3b/0x160
[ 58.991450][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 58.996464][ T4318] netif_receive_skb+0x78/0x1f0
[ 59.001294][ T4318] tun_rx_batched+0x1be/0x200
[ 59.005950][ T4318] ? tun_get_user+0xc37/0x12f0
[ 59.010685][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 59.015419][ T4318] tun_get_user+0xf4a/0x12f0
[ 59.019980][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 59.024800][ T4318] vfs_write+0x3f9/0x4c0
[ 59.029008][ T4318] ksys_write+0x70/0xe0
[ 59.033225][ T4318] do_syscall_64+0x94/0x1a0
[ 59.037695][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 59.043552][ T4318] RIP: 0033:0x7f9f4537e98f
[ 59.048019][ T4318] 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
[ 59.067685][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 59.076073][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 59.084015][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 59.092042][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 59.099980][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 59.107917][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 59.115956][ T4318]
[ 59.118990][ T4318] Disabling lock debugging due to kernel taint
[ 59.125400][ T4318] BUG: Bad page state in process syz.2.15 pfn:1171b0
[ 59.132137][ T4318] page:ffffea00045c6c00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1171b0
[ 59.142521][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 59.148334][ T4318] page_type: 0xffffffff()
[ 59.152635][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 59.161205][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 59.169868][ T4318] page dumped because: page_pool leak
[ 59.175233][ T4318] page_owner tracks the page as allocated
[ 59.181043][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675762866, free_ts 58369872651
[ 59.199184][ T4318] post_alloc_hook+0x15a/0x180
[ 59.203944][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 59.209529][ T4318] __alloc_pages+0x11f/0x280
[ 59.214184][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 59.219219][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 59.225088][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 59.230270][ T4318] do_xdp_generic+0xec/0x300
[ 59.234847][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 59.240393][ T4318] __netif_receive_skb+0x3b/0x160
[ 59.245397][ T4318] netif_receive_skb+0x78/0x1f0
[ 59.250304][ T4318] tun_rx_batched+0x1be/0x200
[ 59.255239][ T4318] tun_get_user+0xf4a/0x12f0
[ 59.259890][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 59.264791][ T4318] vfs_write+0x3f9/0x4c0
[ 59.269125][ T4318] ksys_write+0x70/0xe0
[ 59.273256][ T4318] do_syscall_64+0x94/0x1a0
[ 59.277750][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 59.284045][ T4318] free_unref_page_prepare+0x3db/0x470
[ 59.289512][ T4318] free_unref_page+0x37/0x260
[ 59.294297][ T4318] vfree+0x7a/0xe0
[ 59.298109][ T4318] delayed_vfree_work+0x1b/0x30
[ 59.302975][ T4318] process_scheduled_works+0x250/0x4d0
[ 59.308439][ T4318] worker_thread+0x23d/0x300
[ 59.313119][ T4318] kthread+0xe9/0x100
[ 59.317097][ T4318] ret_from_fork+0x32/0x40
[ 59.321534][ T4318] ret_from_fork_asm+0x1b/0x30
[ 59.326297][ T4318] Modules linked in:
[ 59.330364][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 59.339867][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 59.349889][ T4318] Call Trace:
[ 59.353139][ T4318]
[ 59.356041][ T4318] dump_stack_lvl+0x83/0xd0
[ 59.360515][ T4318] bad_page+0xdd/0xf0
[ 59.364461][ T4318] free_unref_page_prepare+0x453/0x470
[ 59.369877][ T4318] free_unref_page+0x37/0x260
[ 59.374514][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 59.380111][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 59.385796][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 59.390727][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 59.395567][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 59.400228][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 59.405739][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 59.411470][ T4318] do_xdp_generic+0x1a2/0x300
[ 59.416135][ T4318] ? tun_rx_batched+0x19f/0x200
[ 59.420955][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 59.426482][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 59.431222][ T4318] ? tun_rx_batched+0x19f/0x200
[ 59.436125][ T4318] __netif_receive_skb+0x3b/0x160
[ 59.441113][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 59.446102][ T4318] netif_receive_skb+0x78/0x1f0
[ 59.450923][ T4318] tun_rx_batched+0x1be/0x200
[ 59.455666][ T4318] ? tun_get_user+0xc37/0x12f0
[ 59.460395][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 59.465123][ T4318] tun_get_user+0xf4a/0x12f0
[ 59.469767][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 59.474595][ T4318] vfs_write+0x3f9/0x4c0
[ 59.478932][ T4318] ksys_write+0x70/0xe0
[ 59.483056][ T4318] do_syscall_64+0x94/0x1a0
[ 59.487529][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 59.493416][ T4318] RIP: 0033:0x7f9f4537e98f
[ 59.497821][ T4318] 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
[ 59.517666][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 59.526048][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 59.534175][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 59.542224][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 59.550425][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 59.558363][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 59.566325][ T4318]
[ 59.569389][ T4318] BUG: Bad page state in process syz.2.15 pfn:114dc3
[ 59.576132][ T4318] page:ffffea00045370c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x114dc3
[ 59.586362][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 59.592075][ T4318] page_type: 0xffffffff()
[ 59.596394][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 59.605189][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 59.613743][ T4318] page dumped because: page_pool leak
[ 59.619120][ T4318] page_owner tracks the page as allocated
[ 59.624913][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675759744, free_ts 58369876092
[ 59.643379][ T4318] post_alloc_hook+0x15a/0x180
[ 59.648229][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 59.653740][ T4318] __alloc_pages+0x11f/0x280
[ 59.658310][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 59.663303][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 59.669100][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 59.674375][ T4318] do_xdp_generic+0xec/0x300
[ 59.679042][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 59.684579][ T4318] __netif_receive_skb+0x3b/0x160
[ 59.689583][ T4318] netif_receive_skb+0x78/0x1f0
[ 59.694402][ T4318] tun_rx_batched+0x1be/0x200
[ 59.699231][ T4318] tun_get_user+0xf4a/0x12f0
[ 59.703878][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 59.708713][ T4318] vfs_write+0x3f9/0x4c0
[ 59.713016][ T4318] ksys_write+0x70/0xe0
[ 59.717150][ T4318] do_syscall_64+0x94/0x1a0
[ 59.721623][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 59.728113][ T4318] free_unref_page_prepare+0x3db/0x470
[ 59.733542][ T4318] free_unref_page+0x37/0x260
[ 59.738199][ T4318] vfree+0x7a/0xe0
[ 59.741888][ T4318] delayed_vfree_work+0x1b/0x30
[ 59.746739][ T4318] process_scheduled_works+0x250/0x4d0
[ 59.752167][ T4318] worker_thread+0x23d/0x300
[ 59.756825][ T4318] kthread+0xe9/0x100
[ 59.760966][ T4318] ret_from_fork+0x32/0x40
[ 59.765385][ T4318] ret_from_fork_asm+0x1b/0x30
[ 59.770125][ T4318] Modules linked in:
[ 59.773989][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 59.783497][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 59.793524][ T4318] Call Trace:
[ 59.796804][ T4318]
[ 59.799739][ T4318] dump_stack_lvl+0x83/0xd0
[ 59.804209][ T4318] bad_page+0xdd/0xf0
[ 59.808166][ T4318] free_unref_page_prepare+0x453/0x470
[ 59.813687][ T4318] free_unref_page+0x37/0x260
[ 59.818421][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 59.824048][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 59.829739][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 59.834646][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 59.839488][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 59.844168][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 59.849678][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 59.855206][ T4318] do_xdp_generic+0x1a2/0x300
[ 59.859847][ T4318] ? tun_rx_batched+0x19f/0x200
[ 59.864667][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 59.870185][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 59.875028][ T4318] ? tun_rx_batched+0x19f/0x200
[ 59.879842][ T4318] __netif_receive_skb+0x3b/0x160
[ 59.884827][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 59.889811][ T4318] netif_receive_skb+0x78/0x1f0
[ 59.894626][ T4318] tun_rx_batched+0x1be/0x200
[ 59.899278][ T4318] ? tun_get_user+0xc37/0x12f0
[ 59.904015][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 59.908754][ T4318] tun_get_user+0xf4a/0x12f0
[ 59.913344][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 59.918160][ T4318] vfs_write+0x3f9/0x4c0
[ 59.922391][ T4318] ksys_write+0x70/0xe0
[ 59.926641][ T4318] do_syscall_64+0x94/0x1a0
[ 59.931150][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 59.937009][ T4318] RIP: 0033:0x7f9f4537e98f
[ 59.941402][ T4318] 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
[ 59.961162][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 59.969544][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 59.977741][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 59.985682][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 59.993631][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 60.001808][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 60.009843][ T4318]
[ 60.012865][ T4318] BUG: Bad page state in process syz.2.15 pfn:117d0e
[ 60.019716][ T4318] page:ffffea00045f4380 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117d0e
[ 60.030025][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 60.035747][ T4318] page_type: 0xffffffff()
[ 60.040053][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 60.048634][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 60.057288][ T4318] page dumped because: page_pool leak
[ 60.062717][ T4318] page_owner tracks the page as allocated
[ 60.068527][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675756468, free_ts 58369879786
[ 60.086644][ T4318] post_alloc_hook+0x15a/0x180
[ 60.091468][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 60.097081][ T4318] __alloc_pages+0x11f/0x280
[ 60.101664][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 60.106760][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 60.112543][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 60.117747][ T4318] do_xdp_generic+0xec/0x300
[ 60.122312][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 60.127849][ T4318] __netif_receive_skb+0x3b/0x160
[ 60.132939][ T4318] netif_receive_skb+0x78/0x1f0
[ 60.137802][ T4318] tun_rx_batched+0x1be/0x200
[ 60.142531][ T4318] tun_get_user+0xf4a/0x12f0
[ 60.147129][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 60.151955][ T4318] vfs_write+0x3f9/0x4c0
[ 60.156187][ T4318] ksys_write+0x70/0xe0
[ 60.160397][ T4318] do_syscall_64+0x94/0x1a0
[ 60.164894][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 60.171201][ T4318] free_unref_page_prepare+0x3db/0x470
[ 60.176751][ T4318] free_unref_page+0x37/0x260
[ 60.181396][ T4318] vfree+0x7a/0xe0
[ 60.185374][ T4318] delayed_vfree_work+0x1b/0x30
[ 60.190205][ T4318] process_scheduled_works+0x250/0x4d0
[ 60.195644][ T4318] worker_thread+0x23d/0x300
[ 60.200211][ T4318] kthread+0xe9/0x100
[ 60.204248][ T4318] ret_from_fork+0x32/0x40
[ 60.208663][ T4318] ret_from_fork_asm+0x1b/0x30
[ 60.213408][ T4318] Modules linked in:
[ 60.217283][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 60.227053][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 60.237256][ T4318] Call Trace:
[ 60.240605][ T4318]
[ 60.243613][ T4318] dump_stack_lvl+0x83/0xd0
[ 60.248086][ T4318] bad_page+0xdd/0xf0
[ 60.252048][ T4318] free_unref_page_prepare+0x453/0x470
[ 60.257742][ T4318] free_unref_page+0x37/0x260
[ 60.262513][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 60.268135][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 60.273816][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 60.278803][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 60.283712][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 60.288351][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 60.293861][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 60.299476][ T4318] do_xdp_generic+0x1a2/0x300
[ 60.304312][ T4318] ? tun_rx_batched+0x19f/0x200
[ 60.309436][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 60.314984][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 60.319727][ T4318] ? tun_rx_batched+0x19f/0x200
[ 60.324551][ T4318] __netif_receive_skb+0x3b/0x160
[ 60.329622][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 60.334610][ T4318] netif_receive_skb+0x78/0x1f0
[ 60.339421][ T4318] tun_rx_batched+0x1be/0x200
[ 60.344079][ T4318] ? tun_get_user+0xc37/0x12f0
[ 60.348815][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 60.353543][ T4318] tun_get_user+0xf4a/0x12f0
[ 60.358118][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 60.362955][ T4318] vfs_write+0x3f9/0x4c0
[ 60.367179][ T4318] ksys_write+0x70/0xe0
[ 60.371339][ T4318] do_syscall_64+0x94/0x1a0
[ 60.375812][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 60.381675][ T4318] RIP: 0033:0x7f9f4537e98f
[ 60.386147][ T4318] 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
[ 60.405895][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 60.414293][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 60.422254][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 60.430314][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 60.438264][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 60.446208][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 60.454172][ T4318]
[ 60.457190][ T4318] BUG: Bad page state in process syz.2.15 pfn:116115
[ 60.463915][ T4318] page:ffffea0004584540 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116115
[ 60.474133][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 60.479847][ T4318] page_type: 0xffffffff()
[ 60.484148][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 60.492711][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 60.501279][ T4318] page dumped because: page_pool leak
[ 60.506668][ T4318] page_owner tracks the page as allocated
[ 60.512547][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675753413, free_ts 58369891308
[ 60.530746][ T4318] post_alloc_hook+0x15a/0x180
[ 60.535511][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 60.541030][ T4318] __alloc_pages+0x11f/0x280
[ 60.545624][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 60.550965][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 60.556847][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 60.562017][ T4318] do_xdp_generic+0xec/0x300
[ 60.566591][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 60.572114][ T4318] __netif_receive_skb+0x3b/0x160
[ 60.577126][ T4318] netif_receive_skb+0x78/0x1f0
[ 60.581970][ T4318] tun_rx_batched+0x1be/0x200
[ 60.586725][ T4318] tun_get_user+0xf4a/0x12f0
[ 60.591293][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 60.596164][ T4318] vfs_write+0x3f9/0x4c0
[ 60.600376][ T4318] ksys_write+0x70/0xe0
[ 60.604494][ T4318] do_syscall_64+0x94/0x1a0
[ 60.608978][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 60.615378][ T4318] free_unref_page_prepare+0x3db/0x470
[ 60.620823][ T4318] free_unref_page+0x37/0x260
[ 60.625603][ T4318] vfree+0x7a/0xe0
[ 60.629301][ T4318] delayed_vfree_work+0x1b/0x30
[ 60.634124][ T4318] process_scheduled_works+0x250/0x4d0
[ 60.639661][ T4318] worker_thread+0x23d/0x300
[ 60.644311][ T4318] kthread+0xe9/0x100
[ 60.648271][ T4318] ret_from_fork+0x32/0x40
[ 60.652709][ T4318] ret_from_fork_asm+0x1b/0x30
[ 60.657644][ T4318] Modules linked in:
[ 60.661748][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 60.671530][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 60.681641][ T4318] Call Trace:
[ 60.684978][ T4318]
[ 60.687966][ T4318] dump_stack_lvl+0x83/0xd0
[ 60.692436][ T4318] bad_page+0xdd/0xf0
[ 60.696394][ T4318] free_unref_page_prepare+0x453/0x470
[ 60.701849][ T4318] free_unref_page+0x37/0x260
[ 60.706502][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 60.712101][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 60.717881][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 60.722799][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 60.727618][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 60.732276][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 60.737721][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 60.743251][ T4318] do_xdp_generic+0x1a2/0x300
[ 60.747893][ T4318] ? tun_rx_batched+0x19f/0x200
[ 60.753071][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 60.758683][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 60.763513][ T4318] ? tun_rx_batched+0x19f/0x200
[ 60.768588][ T4318] __netif_receive_skb+0x3b/0x160
[ 60.773575][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 60.778570][ T4318] netif_receive_skb+0x78/0x1f0
[ 60.783383][ T4318] tun_rx_batched+0x1be/0x200
[ 60.788116][ T4318] ? tun_get_user+0xc37/0x12f0
[ 60.792844][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 60.797582][ T4318] tun_get_user+0xf4a/0x12f0
[ 60.802135][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 60.807034][ T4318] vfs_write+0x3f9/0x4c0
[ 60.811241][ T4318] ksys_write+0x70/0xe0
[ 60.815369][ T4318] do_syscall_64+0x94/0x1a0
[ 60.819866][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 60.826020][ T4318] RIP: 0033:0x7f9f4537e98f
[ 60.830515][ T4318] 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
[ 60.850257][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 60.858631][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 60.866571][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 60.874525][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 60.882652][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 60.890625][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 60.898573][ T4318]
[ 60.901594][ T4318] BUG: Bad page state in process syz.2.15 pfn:117973
[ 60.908329][ T4318] page:ffffea00045e5cc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117973
[ 60.918544][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 60.924335][ T4318] page_type: 0xffffffff()
[ 60.928652][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 60.937214][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 60.945777][ T4318] page dumped because: page_pool leak
[ 60.951115][ T4318] page_owner tracks the page as allocated
[ 60.956902][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675750070, free_ts 58369894476
[ 60.975113][ T4318] post_alloc_hook+0x15a/0x180
[ 60.979860][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 60.985383][ T4318] __alloc_pages+0x11f/0x280
[ 60.989974][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 60.994997][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 61.000783][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 61.005963][ T4318] do_xdp_generic+0xec/0x300
[ 61.010608][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 61.016169][ T4318] __netif_receive_skb+0x3b/0x160
[ 61.021178][ T4318] netif_receive_skb+0x78/0x1f0
[ 61.026041][ T4318] tun_rx_batched+0x1be/0x200
[ 61.030844][ T4318] tun_get_user+0xf4a/0x12f0
[ 61.035555][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 61.040493][ T4318] vfs_write+0x3f9/0x4c0
[ 61.044933][ T4318] ksys_write+0x70/0xe0
[ 61.049059][ T4318] do_syscall_64+0x94/0x1a0
[ 61.053630][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 61.060030][ T4318] free_unref_page_prepare+0x3db/0x470
[ 61.065593][ T4318] free_unref_page+0x37/0x260
[ 61.070362][ T4318] vfree+0x7a/0xe0
[ 61.074095][ T4318] delayed_vfree_work+0x1b/0x30
[ 61.078929][ T4318] process_scheduled_works+0x250/0x4d0
[ 61.084462][ T4318] worker_thread+0x23d/0x300
[ 61.089049][ T4318] kthread+0xe9/0x100
[ 61.093207][ T4318] ret_from_fork+0x32/0x40
[ 61.097619][ T4318] ret_from_fork_asm+0x1b/0x30
[ 61.102365][ T4318] Modules linked in:
[ 61.106352][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 61.115874][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 61.126007][ T4318] Call Trace:
[ 61.129451][ T4318]
[ 61.132487][ T4318] dump_stack_lvl+0x83/0xd0
[ 61.137051][ T4318] bad_page+0xdd/0xf0
[ 61.141022][ T4318] free_unref_page_prepare+0x453/0x470
[ 61.146453][ T4318] free_unref_page+0x37/0x260
[ 61.151113][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 61.156743][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 61.162431][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 61.167336][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 61.172151][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 61.176798][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 61.182132][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 61.187658][ T4318] do_xdp_generic+0x1a2/0x300
[ 61.192399][ T4318] ? tun_rx_batched+0x19f/0x200
[ 61.197226][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 61.202823][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 61.207552][ T4318] ? tun_rx_batched+0x19f/0x200
[ 61.212452][ T4318] __netif_receive_skb+0x3b/0x160
[ 61.217524][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 61.222520][ T4318] netif_receive_skb+0x78/0x1f0
[ 61.227360][ T4318] tun_rx_batched+0x1be/0x200
[ 61.232009][ T4318] ? tun_get_user+0xc37/0x12f0
[ 61.236740][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 61.241555][ T4318] tun_get_user+0xf4a/0x12f0
[ 61.246108][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 61.250974][ T4318] vfs_write+0x3f9/0x4c0
[ 61.255214][ T4318] ksys_write+0x70/0xe0
[ 61.259348][ T4318] do_syscall_64+0x94/0x1a0
[ 61.263821][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 61.269692][ T4318] RIP: 0033:0x7f9f4537e98f
[ 61.274204][ T4318] 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
[ 61.294059][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 61.302439][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 61.310376][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 61.318316][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 61.326256][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 61.334193][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 61.342134][ T4318]
[ 61.345334][ T4318] BUG: Bad page state in process syz.2.15 pfn:11776b
[ 61.352066][ T4318] page:ffffea00045ddac0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11776b
[ 61.362321][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 61.368126][ T4318] page_type: 0xffffffff()
[ 61.372688][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 61.381373][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 61.390050][ T4318] page dumped because: page_pool leak
[ 61.395504][ T4318] page_owner tracks the page as allocated
[ 61.401192][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675746778, free_ts 58369905491
[ 61.419346][ T4318] post_alloc_hook+0x15a/0x180
[ 61.424137][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 61.429771][ T4318] __alloc_pages+0x11f/0x280
[ 61.434334][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 61.439347][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 61.445140][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 61.450308][ T4318] do_xdp_generic+0xec/0x300
[ 61.454892][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 61.460430][ T4318] __netif_receive_skb+0x3b/0x160
[ 61.465476][ T4318] netif_receive_skb+0x78/0x1f0
[ 61.470317][ T4318] tun_rx_batched+0x1be/0x200
[ 61.474982][ T4318] tun_get_user+0xf4a/0x12f0
[ 61.479551][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 61.484390][ T4318] vfs_write+0x3f9/0x4c0
[ 61.488626][ T4318] ksys_write+0x70/0xe0
[ 61.492749][ T4318] do_syscall_64+0x94/0x1a0
[ 61.497234][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 61.503527][ T4318] free_unref_page_prepare+0x3db/0x470
[ 61.509099][ T4318] free_unref_page+0x37/0x260
[ 61.513835][ T4318] vfree+0x7a/0xe0
[ 61.517567][ T4318] delayed_vfree_work+0x1b/0x30
[ 61.522559][ T4318] process_scheduled_works+0x250/0x4d0
[ 61.528003][ T4318] worker_thread+0x23d/0x300
[ 61.532587][ T4318] kthread+0xe9/0x100
[ 61.536548][ T4318] ret_from_fork+0x32/0x40
[ 61.540935][ T4318] ret_from_fork_asm+0x1b/0x30
[ 61.545707][ T4318] Modules linked in:
[ 61.549661][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 61.559359][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 61.569387][ T4318] Call Trace:
[ 61.572649][ T4318]
[ 61.575566][ T4318] dump_stack_lvl+0x83/0xd0
[ 61.580044][ T4318] bad_page+0xdd/0xf0
[ 61.583990][ T4318] free_unref_page_prepare+0x453/0x470
[ 61.589498][ T4318] free_unref_page+0x37/0x260
[ 61.594136][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 61.599731][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 61.605417][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 61.610324][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 61.615138][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 61.619895][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 61.625316][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 61.630833][ T4318] do_xdp_generic+0x1a2/0x300
[ 61.635567][ T4318] ? tun_rx_batched+0x19f/0x200
[ 61.640394][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 61.645899][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 61.650626][ T4318] ? tun_rx_batched+0x19f/0x200
[ 61.655436][ T4318] __netif_receive_skb+0x3b/0x160
[ 61.660421][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 61.665493][ T4318] netif_receive_skb+0x78/0x1f0
[ 61.670311][ T4318] tun_rx_batched+0x1be/0x200
[ 61.674971][ T4318] ? tun_get_user+0xc37/0x12f0
[ 61.679716][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 61.684544][ T4318] tun_get_user+0xf4a/0x12f0
[ 61.689395][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 61.694217][ T4318] vfs_write+0x3f9/0x4c0
[ 61.698461][ T4318] ksys_write+0x70/0xe0
[ 61.702581][ T4318] do_syscall_64+0x94/0x1a0
[ 61.707054][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 61.713095][ T4318] RIP: 0033:0x7f9f4537e98f
[ 61.717484][ T4318] 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
[ 61.737099][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 61.745562][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 61.753591][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 61.761533][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 61.769470][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 61.777422][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 61.785370][ T4318]
[ 61.788401][ T4318] BUG: Bad page state in process syz.2.15 pfn:116c67
[ 61.795237][ T4318] page:ffffea00045b19c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x116c67
[ 61.805468][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 61.811159][ T4318] page_type: 0xffffffff()
[ 61.815469][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 61.824061][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 61.832713][ T4318] page dumped because: page_pool leak
[ 61.838179][ T4318] page_owner tracks the page as allocated
[ 61.843948][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675743206, free_ts 58369908702
[ 61.862074][ T4318] post_alloc_hook+0x15a/0x180
[ 61.866820][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 61.872349][ T4318] __alloc_pages+0x11f/0x280
[ 61.876928][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 61.881921][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 61.887723][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 61.892894][ T4318] do_xdp_generic+0xec/0x300
[ 61.897484][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 61.902996][ T4318] __netif_receive_skb+0x3b/0x160
[ 61.908021][ T4318] netif_receive_skb+0x78/0x1f0
[ 61.912845][ T4318] tun_rx_batched+0x1be/0x200
[ 61.917618][ T4318] tun_get_user+0xf4a/0x12f0
[ 61.922188][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 61.927030][ T4318] vfs_write+0x3f9/0x4c0
[ 61.931330][ T4318] ksys_write+0x70/0xe0
[ 61.935475][ T4318] do_syscall_64+0x94/0x1a0
[ 61.939970][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 61.946361][ T4318] free_unref_page_prepare+0x3db/0x470
[ 61.951800][ T4318] free_unref_page+0x37/0x260
[ 61.956461][ T4318] vfree+0x7a/0xe0
[ 61.960280][ T4318] delayed_vfree_work+0x1b/0x30
[ 61.965121][ T4318] process_scheduled_works+0x250/0x4d0
[ 61.970552][ T4318] worker_thread+0x23d/0x300
[ 61.975135][ T4318] kthread+0xe9/0x100
[ 61.979092][ T4318] ret_from_fork+0x32/0x40
[ 61.983500][ T4318] ret_from_fork_asm+0x1b/0x30
[ 61.988253][ T4318] Modules linked in:
[ 61.992118][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 62.001723][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.011918][ T4318] Call Trace:
[ 62.015165][ T4318]
[ 62.018091][ T4318] dump_stack_lvl+0x83/0xd0
[ 62.022558][ T4318] bad_page+0xdd/0xf0
[ 62.026502][ T4318] free_unref_page_prepare+0x453/0x470
[ 62.032098][ T4318] free_unref_page+0x37/0x260
[ 62.036744][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 62.042354][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 62.048053][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 62.053050][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 62.057876][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 62.062527][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 62.067865][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 62.073383][ T4318] do_xdp_generic+0x1a2/0x300
[ 62.078027][ T4318] ? tun_rx_batched+0x19f/0x200
[ 62.082930][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 62.088443][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 62.093171][ T4318] ? tun_rx_batched+0x19f/0x200
[ 62.098074][ T4318] __netif_receive_skb+0x3b/0x160
[ 62.103144][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 62.108135][ T4318] netif_receive_skb+0x78/0x1f0
[ 62.112947][ T4318] tun_rx_batched+0x1be/0x200
[ 62.117635][ T4318] ? tun_get_user+0xc37/0x12f0
[ 62.122453][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 62.127179][ T4318] tun_get_user+0xf4a/0x12f0
[ 62.131904][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 62.136805][ T4318] vfs_write+0x3f9/0x4c0
[ 62.141011][ T4318] ksys_write+0x70/0xe0
[ 62.145133][ T4318] do_syscall_64+0x94/0x1a0
[ 62.149609][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 62.155493][ T4318] RIP: 0033:0x7f9f4537e98f
[ 62.159871][ T4318] 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
[ 62.179532][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 62.187913][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 62.195960][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 62.203896][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 62.212005][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 62.220030][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 62.227968][ T4318]
[ 62.230998][ T4318] BUG: Bad page state in process syz.2.15 pfn:115b16
[ 62.237741][ T4318] page:ffffea000456c580 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x115b16
[ 62.248256][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 62.253963][ T4318] page_type: 0xffffffff()
[ 62.258281][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 62.266867][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 62.275424][ T4318] page dumped because: page_pool leak
[ 62.280765][ T4318] page_owner tracks the page as allocated
[ 62.286546][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675740029, free_ts 58369911674
[ 62.304844][ T4318] post_alloc_hook+0x15a/0x180
[ 62.309693][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 62.315296][ T4318] __alloc_pages+0x11f/0x280
[ 62.319864][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 62.324893][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 62.330875][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 62.336074][ T4318] do_xdp_generic+0xec/0x300
[ 62.340639][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 62.346183][ T4318] __netif_receive_skb+0x3b/0x160
[ 62.351184][ T4318] netif_receive_skb+0x78/0x1f0
[ 62.356032][ T4318] tun_rx_batched+0x1be/0x200
[ 62.360680][ T4318] tun_get_user+0xf4a/0x12f0
[ 62.365283][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 62.370105][ T4318] vfs_write+0x3f9/0x4c0
[ 62.374319][ T4318] ksys_write+0x70/0xe0
[ 62.378554][ T4318] do_syscall_64+0x94/0x1a0
[ 62.383119][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 62.389453][ T4318] free_unref_page_prepare+0x3db/0x470
[ 62.395065][ T4318] free_unref_page+0x37/0x260
[ 62.399719][ T4318] vfree+0x7a/0xe0
[ 62.403420][ T4318] delayed_vfree_work+0x1b/0x30
[ 62.408354][ T4318] process_scheduled_works+0x250/0x4d0
[ 62.413796][ T4318] worker_thread+0x23d/0x300
[ 62.418368][ T4318] kthread+0xe9/0x100
[ 62.422318][ T4318] ret_from_fork+0x32/0x40
[ 62.426751][ T4318] ret_from_fork_asm+0x1b/0x30
[ 62.431580][ T4318] Modules linked in:
[ 62.435457][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 62.444970][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.454993][ T4318] Call Trace:
[ 62.458240][ T4318]
[ 62.461147][ T4318] dump_stack_lvl+0x83/0xd0
[ 62.465620][ T4318] bad_page+0xdd/0xf0
[ 62.469743][ T4318] free_unref_page_prepare+0x453/0x470
[ 62.475251][ T4318] free_unref_page+0x37/0x260
[ 62.479888][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 62.485482][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 62.491228][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 62.496144][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 62.501055][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 62.505786][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 62.511220][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 62.516731][ T4318] do_xdp_generic+0x1a2/0x300
[ 62.521374][ T4318] ? tun_rx_batched+0x19f/0x200
[ 62.526213][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 62.531719][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 62.536449][ T4318] ? tun_rx_batched+0x19f/0x200
[ 62.541269][ T4318] __netif_receive_skb+0x3b/0x160
[ 62.546275][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 62.551377][ T4318] netif_receive_skb+0x78/0x1f0
[ 62.556194][ T4318] tun_rx_batched+0x1be/0x200
[ 62.560948][ T4318] ? tun_get_user+0xc37/0x12f0
[ 62.565684][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 62.570593][ T4318] tun_get_user+0xf4a/0x12f0
[ 62.575146][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 62.579961][ T4318] vfs_write+0x3f9/0x4c0
[ 62.584169][ T4318] ksys_write+0x70/0xe0
[ 62.588386][ T4318] do_syscall_64+0x94/0x1a0
[ 62.592876][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 62.598738][ T4318] RIP: 0033:0x7f9f4537e98f
[ 62.603127][ T4318] 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
[ 62.622793][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 62.631169][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 62.639196][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 62.647307][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 62.655248][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 62.663219][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 62.671167][ T4318]
[ 62.674226][ T4318] BUG: Bad page state in process syz.2.15 pfn:17b676
[ 62.680999][ T4318] page:ffffea0005ed9d80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17b676
[ 62.691306][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 62.697009][ T4318] page_type: 0xffffffff()
[ 62.701314][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 62.710114][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 62.719122][ T4318] page dumped because: page_pool leak
[ 62.724497][ T4318] page_owner tracks the page as allocated
[ 62.730305][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675736808, free_ts 58369914781
[ 62.748526][ T4318] post_alloc_hook+0x15a/0x180
[ 62.753256][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 62.758791][ T4318] __alloc_pages+0x11f/0x280
[ 62.763349][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 62.768397][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 62.774249][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 62.779426][ T4318] do_xdp_generic+0xec/0x300
[ 62.784076][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 62.789626][ T4318] __netif_receive_skb+0x3b/0x160
[ 62.794640][ T4318] netif_receive_skb+0x78/0x1f0
[ 62.799479][ T4318] tun_rx_batched+0x1be/0x200
[ 62.804143][ T4318] tun_get_user+0xf4a/0x12f0
[ 62.808721][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 62.813549][ T4318] vfs_write+0x3f9/0x4c0
[ 62.817773][ T4318] ksys_write+0x70/0xe0
[ 62.821993][ T4318] do_syscall_64+0x94/0x1a0
[ 62.826493][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 62.832964][ T4318] free_unref_page_prepare+0x3db/0x470
[ 62.838404][ T4318] free_unref_page+0x37/0x260
[ 62.843052][ T4318] vfree+0x7a/0xe0
[ 62.846844][ T4318] delayed_vfree_work+0x1b/0x30
[ 62.851671][ T4318] process_scheduled_works+0x250/0x4d0
[ 62.857119][ T4318] worker_thread+0x23d/0x300
[ 62.861720][ T4318] kthread+0xe9/0x100
[ 62.865745][ T4318] ret_from_fork+0x32/0x40
[ 62.870139][ T4318] ret_from_fork_asm+0x1b/0x30
[ 62.874915][ T4318] Modules linked in:
[ 62.878780][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 62.888383][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.898415][ T4318] Call Trace:
[ 62.901663][ T4318]
[ 62.904568][ T4318] dump_stack_lvl+0x83/0xd0
[ 62.909034][ T4318] bad_page+0xdd/0xf0
[ 62.913065][ T4318] free_unref_page_prepare+0x453/0x470
[ 62.918484][ T4318] free_unref_page+0x37/0x260
[ 62.923130][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 62.928725][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 62.934425][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 62.939414][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 62.944236][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 62.948873][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 62.954223][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 62.959733][ T4318] do_xdp_generic+0x1a2/0x300
[ 62.964385][ T4318] ? tun_rx_batched+0x19f/0x200
[ 62.969206][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 62.974716][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 62.979447][ T4318] ? tun_rx_batched+0x19f/0x200
[ 62.984258][ T4318] __netif_receive_skb+0x3b/0x160
[ 62.989243][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 62.994238][ T4318] netif_receive_skb+0x78/0x1f0
[ 62.999098][ T4318] tun_rx_batched+0x1be/0x200
[ 63.003773][ T4318] ? tun_get_user+0xc37/0x12f0
[ 63.008503][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 63.013314][ T4318] tun_get_user+0xf4a/0x12f0
[ 63.017869][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 63.022716][ T4318] vfs_write+0x3f9/0x4c0
[ 63.026930][ T4318] ksys_write+0x70/0xe0
[ 63.031150][ T4318] do_syscall_64+0x94/0x1a0
[ 63.035628][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 63.041512][ T4318] RIP: 0033:0x7f9f4537e98f
[ 63.045893][ T4318] 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
[ 63.065569][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 63.074127][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 63.082065][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 63.090090][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 63.098028][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 63.105965][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 63.113918][ T4318]
[ 63.116950][ T4318] BUG: Bad page state in process syz.2.15 pfn:117e0d
[ 63.123768][ T4318] page:ffffea00045f8340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117e0d
[ 63.133998][ T4318] flags: 0x100000000000000(node=0|zone=2)
[ 63.139709][ T4318] page_type: 0xffffffff()
[ 63.144114][ T4318] raw: 0100000000000000 dead000000000040 ffff888103298000 0000000000000000
[ 63.152857][ T4318] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 63.161442][ T4318] page dumped because: page_pool leak
[ 63.166814][ T4318] page_owner tracks the page as allocated
[ 63.172499][ T4318] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4318, tgid 4317 (syz.2.15), ts 58675733328, free_ts 58369925988
[ 63.190616][ T4318] post_alloc_hook+0x15a/0x180
[ 63.195373][ T4318] get_page_from_freelist+0x17b9/0x1920
[ 63.201116][ T4318] __alloc_pages+0x11f/0x280
[ 63.205727][ T4318] __alloc_pages_bulk+0x442/0x6b0
[ 63.210793][ T4318] __page_pool_alloc_pages_slow+0x69/0x210
[ 63.216616][ T4318] skb_cow_data_for_xdp+0x372/0x560
[ 63.221894][ T4318] do_xdp_generic+0xec/0x300
[ 63.226467][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 63.232088][ T4318] __netif_receive_skb+0x3b/0x160
[ 63.237092][ T4318] netif_receive_skb+0x78/0x1f0
[ 63.241921][ T4318] tun_rx_batched+0x1be/0x200
[ 63.246603][ T4318] tun_get_user+0xf4a/0x12f0
[ 63.251258][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 63.256096][ T4318] vfs_write+0x3f9/0x4c0
[ 63.260309][ T4318] ksys_write+0x70/0xe0
[ 63.264425][ T4318] do_syscall_64+0x94/0x1a0
[ 63.268931][ T4318] page last free pid 3490 tgid 3490 stack trace:
[ 63.275341][ T4318] free_unref_page_prepare+0x3db/0x470
[ 63.280966][ T4318] free_unref_page+0x37/0x260
[ 63.285824][ T4318] vfree+0x7a/0xe0
[ 63.289620][ T4318] delayed_vfree_work+0x1b/0x30
[ 63.294473][ T4318] process_scheduled_works+0x250/0x4d0
[ 63.300016][ T4318] worker_thread+0x23d/0x300
[ 63.304594][ T4318] kthread+0xe9/0x100
[ 63.308580][ T4318] ret_from_fork+0x32/0x40
[ 63.313084][ T4318] ret_from_fork_asm+0x1b/0x30
[ 63.317831][ T4318] Modules linked in:
[ 63.321692][ T4318] CPU: 0 PID: 4318 Comm: syz.2.15 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 63.331201][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 63.341395][ T4318] Call Trace:
[ 63.344662][ T4318]
[ 63.347561][ T4318] dump_stack_lvl+0x83/0xd0
[ 63.352033][ T4318] bad_page+0xdd/0xf0
[ 63.355987][ T4318] free_unref_page_prepare+0x453/0x470
[ 63.361514][ T4318] free_unref_page+0x37/0x260
[ 63.366172][ T4318] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 63.371782][ T4318] ? debug_check_no_obj_freed+0x1f2/0x250
[ 63.377472][ T4318] bpf_xdp_adjust_tail+0x75/0x80
[ 63.382378][ T4318] ___bpf_prog_run+0x5f6/0x2280
[ 63.387278][ T4318] __bpf_prog_run32+0xbb/0xe0
[ 63.391917][ T4318] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 63.397254][ T4318] bpf_prog_run_generic_xdp+0x12f/0x370
[ 63.402764][ T4318] do_xdp_generic+0x1a2/0x300
[ 63.407502][ T4318] ? tun_rx_batched+0x19f/0x200
[ 63.412404][ T4318] __netif_receive_skb_core+0x61b/0xf20
[ 63.417921][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 63.422735][ T4318] ? tun_rx_batched+0x19f/0x200
[ 63.427552][ T4318] __netif_receive_skb+0x3b/0x160
[ 63.432539][ T4318] ? netif_receive_skb+0x4b/0x1f0
[ 63.437526][ T4318] netif_receive_skb+0x78/0x1f0
[ 63.442343][ T4318] tun_rx_batched+0x1be/0x200
[ 63.446989][ T4318] ? tun_get_user+0xc37/0x12f0
[ 63.451815][ T4318] ? tun_get_user+0xcdf/0x12f0
[ 63.456556][ T4318] tun_get_user+0xf4a/0x12f0
[ 63.461253][ T4318] tun_chr_write_iter+0x5a/0xc0
[ 63.466071][ T4318] vfs_write+0x3f9/0x4c0
[ 63.470280][ T4318] ksys_write+0x70/0xe0
[ 63.474420][ T4318] do_syscall_64+0x94/0x1a0
[ 63.478908][ T4318] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 63.484812][ T4318] RIP: 0033:0x7f9f4537e98f
[ 63.489296][ T4318] 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
[ 63.509179][ T4318] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 63.517566][ T4318] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 63.525504][ T4318] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 63.533440][ T4318] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 63.541386][ T4318] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 63.549323][ T4318] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 63.557351][ T4318]
[ 63.577248][ T4321] BUG: Bad page state in process syz.2.16 pfn:17b6de
[ 63.584026][ T4321] page:ffffea0005edb780 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17b6de
2024/12/09 01:29:10 executed programs: 3
[ 63.594265][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 63.600053][ T4321] page_type: 0xffffffff()
[ 63.604430][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 63.613119][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 63.622030][ T4321] page dumped because: page_pool leak
[ 63.627655][ T4321] page_owner tracks the page as allocated
[ 63.633340][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577234054, free_ts 58685121550
[ 63.651552][ T4321] post_alloc_hook+0x15a/0x180
[ 63.656295][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 63.661803][ T4321] __alloc_pages+0x11f/0x280
[ 63.666384][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 63.671378][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 63.677282][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 63.682496][ T4321] do_xdp_generic+0xec/0x300
[ 63.687098][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 63.692615][ T4321] __netif_receive_skb+0x3b/0x160
[ 63.697619][ T4321] netif_receive_skb+0x78/0x1f0
[ 63.702538][ T4321] tun_rx_batched+0x1be/0x200
[ 63.707280][ T4321] tun_get_user+0xf4a/0x12f0
[ 63.711844][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 63.716687][ T4321] vfs_write+0x3f9/0x4c0
[ 63.720991][ T4321] ksys_write+0x70/0xe0
[ 63.725241][ T4321] do_syscall_64+0x94/0x1a0
[ 63.729751][ T4321] page last free pid 0 tgid 0 stack trace:
[ 63.735721][ T4321] free_unref_page_prepare+0x3db/0x470
[ 63.741153][ T4321] free_unref_page+0x37/0x260
[ 63.745847][ T4321] __put_partials+0x18e/0x1d0
[ 63.750586][ T4321] put_cpu_partial+0x150/0x1b0
[ 63.755342][ T4321] __slab_free+0x2b8/0x3c0
[ 63.759850][ T4321] kmem_cache_free+0x1ad/0x310
[ 63.764649][ T4321] rcu_core+0x3f1/0x8b0
[ 63.769252][ T4321] __do_softirq+0x110/0x30b
[ 63.773824][ T4321] Modules linked in:
[ 63.777722][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 63.787328][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 63.797349][ T4321] Call Trace:
[ 63.800603][ T4321]
[ 63.803503][ T4321] dump_stack_lvl+0x83/0xd0
[ 63.807988][ T4321] bad_page+0xdd/0xf0
[ 63.811931][ T4321] free_unref_page_prepare+0x453/0x470
[ 63.817448][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 63.823043][ T4321] free_unref_page+0x37/0x260
[ 63.827784][ T4321] ? rcu_is_watching+0x10/0x40
[ 63.832518][ T4321] ? lock_release+0x43/0x2b0
[ 63.837126][ T4321] ? lock_acquire+0x51/0x1f0
[ 63.841680][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 63.847276][ T4321] ? lock_acquire+0x51/0x1f0
[ 63.851935][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 63.856847][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 63.861763][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 63.866414][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 63.871763][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 63.877286][ T4321] do_xdp_generic+0x1a2/0x300
[ 63.881936][ T4321] ? tun_rx_batched+0x19f/0x200
[ 63.886764][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 63.892284][ T4321] ? rcu_is_watching+0x10/0x40
[ 63.897026][ T4321] ? lock_release+0x43/0x2b0
[ 63.901585][ T4321] ? rcu_is_watching+0x10/0x40
[ 63.906316][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 63.911399][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 63.916132][ T4321] ? tun_rx_batched+0x19f/0x200
[ 63.920970][ T4321] __netif_receive_skb+0x3b/0x160
[ 63.925976][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 63.930961][ T4321] netif_receive_skb+0x78/0x1f0
[ 63.935810][ T4321] tun_rx_batched+0x1be/0x200
[ 63.940449][ T4321] ? tun_get_user+0xc37/0x12f0
[ 63.945349][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 63.950334][ T4321] tun_get_user+0xf4a/0x12f0
[ 63.954983][ T4321] ? tun_get+0x14/0xc0
[ 63.959104][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 63.965771][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 63.970595][ T4321] vfs_write+0x3f9/0x4c0
[ 63.974808][ T4321] ksys_write+0x70/0xe0
[ 63.978943][ T4321] do_syscall_64+0x94/0x1a0
[ 63.983416][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 63.989793][ T4321] RIP: 0033:0x7f9f4537e98f
[ 63.994260][ T4321] 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
[ 64.013960][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 64.022525][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 64.030639][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 64.038661][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 64.046685][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 64.054624][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 64.062582][ T4321]
[ 64.065600][ T4321] BUG: Bad page state in process syz.2.16 pfn:1161a6
[ 64.072326][ T4321] page:ffffea0004586980 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1161a6
[ 64.082540][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 64.088242][ T4321] page_type: 0xffffffff()
[ 64.092549][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 64.101303][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 64.109898][ T4321] page dumped because: page_pool leak
[ 64.115283][ T4321] page_owner tracks the page as allocated
[ 64.120974][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577231041, free_ts 58685134007
[ 64.139438][ T4321] post_alloc_hook+0x15a/0x180
[ 64.144177][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 64.149699][ T4321] __alloc_pages+0x11f/0x280
[ 64.154260][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 64.159273][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 64.165211][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 64.170454][ T4321] do_xdp_generic+0xec/0x300
[ 64.175038][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 64.180557][ T4321] __netif_receive_skb+0x3b/0x160
[ 64.185870][ T4321] netif_receive_skb+0x78/0x1f0
[ 64.190712][ T4321] tun_rx_batched+0x1be/0x200
[ 64.195378][ T4321] tun_get_user+0xf4a/0x12f0
[ 64.199942][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 64.204758][ T4321] vfs_write+0x3f9/0x4c0
[ 64.208985][ T4321] ksys_write+0x70/0xe0
[ 64.213133][ T4321] do_syscall_64+0x94/0x1a0
[ 64.217617][ T4321] page last free pid 0 tgid 0 stack trace:
[ 64.223482][ T4321] free_unref_page_prepare+0x3db/0x470
[ 64.228914][ T4321] free_unref_page+0x37/0x260
[ 64.233567][ T4321] __put_partials+0x18e/0x1d0
[ 64.238224][ T4321] put_cpu_partial+0x150/0x1b0
[ 64.243052][ T4321] __slab_free+0x2b8/0x3c0
[ 64.247518][ T4321] kmem_cache_free+0x1ad/0x310
[ 64.252258][ T4321] rcu_core+0x3f1/0x8b0
[ 64.256416][ T4321] __do_softirq+0x110/0x30b
[ 64.260894][ T4321] Modules linked in:
[ 64.264879][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 64.274397][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 64.284419][ T4321] Call Trace:
[ 64.287678][ T4321]
[ 64.290580][ T4321] dump_stack_lvl+0x83/0xd0
[ 64.295048][ T4321] bad_page+0xdd/0xf0
[ 64.299014][ T4321] free_unref_page_prepare+0x453/0x470
[ 64.304433][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 64.310029][ T4321] free_unref_page+0x37/0x260
[ 64.314688][ T4321] ? rcu_is_watching+0x10/0x40
[ 64.319505][ T4321] ? lock_release+0x43/0x2b0
[ 64.324091][ T4321] ? lock_acquire+0x51/0x1f0
[ 64.328642][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 64.334241][ T4321] ? lock_acquire+0x51/0x1f0
[ 64.338879][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 64.343867][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 64.348684][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 64.353513][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 64.358849][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 64.364371][ T4321] do_xdp_generic+0x1a2/0x300
[ 64.369014][ T4321] ? tun_rx_batched+0x19f/0x200
[ 64.373846][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 64.379626][ T4321] ? rcu_is_watching+0x10/0x40
[ 64.384355][ T4321] ? lock_release+0x43/0x2b0
[ 64.389084][ T4321] ? rcu_is_watching+0x10/0x40
[ 64.394075][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 64.399066][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 64.403884][ T4321] ? tun_rx_batched+0x19f/0x200
[ 64.408699][ T4321] __netif_receive_skb+0x3b/0x160
[ 64.413693][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 64.418682][ T4321] netif_receive_skb+0x78/0x1f0
[ 64.423606][ T4321] tun_rx_batched+0x1be/0x200
[ 64.428437][ T4321] ? tun_get_user+0xc37/0x12f0
[ 64.433515][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 64.438242][ T4321] tun_get_user+0xf4a/0x12f0
[ 64.442794][ T4321] ? tun_get+0x14/0xc0
[ 64.446830][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 64.453599][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 64.458508][ T4321] vfs_write+0x3f9/0x4c0
[ 64.462725][ T4321] ksys_write+0x70/0xe0
[ 64.466841][ T4321] do_syscall_64+0x94/0x1a0
[ 64.471312][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 64.477166][ T4321] RIP: 0033:0x7f9f4537e98f
[ 64.481555][ T4321] 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
[ 64.501126][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 64.509509][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 64.517451][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 64.525564][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 64.533506][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 64.541457][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 64.549399][ T4321]
[ 64.552417][ T4321] BUG: Bad page state in process syz.2.16 pfn:1161a7
[ 64.559152][ T4321] page:ffffea00045869c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1161a7
[ 64.569383][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 64.575086][ T4321] page_type: 0xffffffff()
[ 64.579397][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 64.588094][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 64.596654][ T4321] page dumped because: page_pool leak
[ 64.602088][ T4321] page_owner tracks the page as allocated
[ 64.607794][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577227889, free_ts 58685164356
[ 64.625927][ T4321] post_alloc_hook+0x15a/0x180
[ 64.630834][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 64.636395][ T4321] __alloc_pages+0x11f/0x280
[ 64.640954][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 64.645961][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 64.651744][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 64.656926][ T4321] do_xdp_generic+0xec/0x300
[ 64.661486][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 64.667010][ T4321] __netif_receive_skb+0x3b/0x160
[ 64.672003][ T4321] netif_receive_skb+0x78/0x1f0
[ 64.676839][ T4321] tun_rx_batched+0x1be/0x200
[ 64.681497][ T4321] tun_get_user+0xf4a/0x12f0
[ 64.686068][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 64.690886][ T4321] vfs_write+0x3f9/0x4c0
[ 64.695367][ T4321] ksys_write+0x70/0xe0
[ 64.699752][ T4321] do_syscall_64+0x94/0x1a0
[ 64.704228][ T4321] page last free pid 0 tgid 0 stack trace:
[ 64.710181][ T4321] free_unref_page_prepare+0x3db/0x470
[ 64.715652][ T4321] free_unref_page+0x37/0x260
[ 64.720313][ T4321] __slab_free+0x2fc/0x3c0
[ 64.724717][ T4321] kmem_cache_free+0x1ad/0x310
[ 64.729493][ T4321] rcu_core+0x3f1/0x8b0
[ 64.733711][ T4321] __do_softirq+0x110/0x30b
[ 64.738216][ T4321] Modules linked in:
[ 64.742098][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 64.751607][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 64.761732][ T4321] Call Trace:
[ 64.764987][ T4321]
[ 64.767939][ T4321] dump_stack_lvl+0x83/0xd0
[ 64.772409][ T4321] bad_page+0xdd/0xf0
[ 64.776354][ T4321] free_unref_page_prepare+0x453/0x470
[ 64.781812][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 64.787509][ T4321] free_unref_page+0x37/0x260
[ 64.792147][ T4321] ? rcu_is_watching+0x10/0x40
[ 64.796979][ T4321] ? lock_release+0x43/0x2b0
[ 64.801542][ T4321] ? lock_acquire+0x51/0x1f0
[ 64.806103][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 64.811712][ T4321] ? lock_acquire+0x51/0x1f0
[ 64.816352][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 64.821255][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 64.826080][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 64.830741][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 64.836076][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 64.841583][ T4321] do_xdp_generic+0x1a2/0x300
[ 64.846235][ T4321] ? tun_rx_batched+0x19f/0x200
[ 64.851136][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 64.856642][ T4321] ? rcu_is_watching+0x10/0x40
[ 64.861368][ T4321] ? lock_release+0x43/0x2b0
[ 64.865920][ T4321] ? rcu_is_watching+0x10/0x40
[ 64.870734][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 64.875727][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 64.880544][ T4321] ? tun_rx_batched+0x19f/0x200
[ 64.885360][ T4321] __netif_receive_skb+0x3b/0x160
[ 64.890366][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 64.895451][ T4321] netif_receive_skb+0x78/0x1f0
[ 64.900274][ T4321] tun_rx_batched+0x1be/0x200
[ 64.904919][ T4321] ? tun_get_user+0xc37/0x12f0
[ 64.909691][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 64.914442][ T4321] tun_get_user+0xf4a/0x12f0
[ 64.919001][ T4321] ? tun_get+0x14/0xc0
[ 64.923034][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 64.929676][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 64.934740][ T4321] vfs_write+0x3f9/0x4c0
[ 64.938954][ T4321] ksys_write+0x70/0xe0
[ 64.943079][ T4321] do_syscall_64+0x94/0x1a0
[ 64.947556][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 64.953411][ T4321] RIP: 0033:0x7f9f4537e98f
[ 64.957794][ T4321] 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
[ 64.977360][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 64.985745][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 64.993681][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 65.001621][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 65.009582][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 65.017535][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 65.025481][ T4321]
[ 65.028585][ T4321] BUG: Bad page state in process syz.2.16 pfn:117e15
[ 65.035319][ T4321] page:ffffea00045f8540 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117e15
[ 65.045545][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 65.051233][ T4321] page_type: 0xffffffff()
[ 65.055545][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 65.064131][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 65.072994][ T4321] page dumped because: page_pool leak
[ 65.078344][ T4321] page_owner tracks the page as allocated
[ 65.084031][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577225032, free_ts 58685326005
[ 65.102268][ T4321] post_alloc_hook+0x15a/0x180
[ 65.107013][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 65.112634][ T4321] __alloc_pages+0x11f/0x280
[ 65.117294][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 65.122409][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 65.128198][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 65.133457][ T4321] do_xdp_generic+0xec/0x300
[ 65.138066][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 65.143708][ T4321] __netif_receive_skb+0x3b/0x160
[ 65.148710][ T4321] netif_receive_skb+0x78/0x1f0
[ 65.153551][ T4321] tun_rx_batched+0x1be/0x200
[ 65.158388][ T4321] tun_get_user+0xf4a/0x12f0
[ 65.163039][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 65.167882][ T4321] vfs_write+0x3f9/0x4c0
[ 65.172095][ T4321] ksys_write+0x70/0xe0
[ 65.176228][ T4321] do_syscall_64+0x94/0x1a0
[ 65.180790][ T4321] page last free pid 34 tgid 34 stack trace:
[ 65.186765][ T4321] free_unref_page_prepare+0x3db/0x470
[ 65.192266][ T4321] free_unref_page+0x37/0x260
[ 65.197024][ T4321] vfree+0x7a/0xe0
[ 65.200739][ T4321] delayed_vfree_work+0x1b/0x30
[ 65.205724][ T4321] process_scheduled_works+0x250/0x4d0
[ 65.211184][ T4321] worker_thread+0x23d/0x300
[ 65.215882][ T4321] kthread+0xe9/0x100
[ 65.219835][ T4321] ret_from_fork+0x32/0x40
[ 65.224227][ T4321] ret_from_fork_asm+0x1b/0x30
[ 65.228989][ T4321] Modules linked in:
[ 65.232860][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 65.242636][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 65.253183][ T4321] Call Trace:
[ 65.255059][ T220] cfg80211: failed to load regulatory.db
[ 65.256611][ T4321]
[ 65.265175][ T4321] dump_stack_lvl+0x83/0xd0
[ 65.269766][ T4321] bad_page+0xdd/0xf0
[ 65.273749][ T4321] free_unref_page_prepare+0x453/0x470
[ 65.279204][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 65.284815][ T4321] free_unref_page+0x37/0x260
[ 65.289464][ T4321] ? rcu_is_watching+0x10/0x40
[ 65.294199][ T4321] ? lock_release+0x43/0x2b0
[ 65.298752][ T4321] ? lock_acquire+0x51/0x1f0
[ 65.303315][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 65.308960][ T4321] ? lock_acquire+0x51/0x1f0
[ 65.313599][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 65.318502][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 65.323321][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 65.328066][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 65.333407][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 65.338919][ T4321] do_xdp_generic+0x1a2/0x300
[ 65.343589][ T4321] ? tun_rx_batched+0x19f/0x200
[ 65.348406][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 65.353928][ T4321] ? rcu_is_watching+0x10/0x40
[ 65.358668][ T4321] ? lock_release+0x43/0x2b0
[ 65.363221][ T4321] ? rcu_is_watching+0x10/0x40
[ 65.367949][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 65.372937][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 65.377674][ T4321] ? tun_rx_batched+0x19f/0x200
[ 65.382503][ T4321] __netif_receive_skb+0x3b/0x160
[ 65.387501][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 65.392513][ T4321] netif_receive_skb+0x78/0x1f0
[ 65.397330][ T4321] tun_rx_batched+0x1be/0x200
[ 65.401970][ T4321] ? tun_get_user+0xc37/0x12f0
[ 65.406695][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 65.411429][ T4321] tun_get_user+0xf4a/0x12f0
[ 65.415994][ T4321] ? tun_get+0x14/0xc0
[ 65.420113][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 65.427193][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 65.432013][ T4321] vfs_write+0x3f9/0x4c0
[ 65.436234][ T4321] ksys_write+0x70/0xe0
[ 65.440402][ T4321] do_syscall_64+0x94/0x1a0
[ 65.444965][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 65.450837][ T4321] RIP: 0033:0x7f9f4537e98f
[ 65.455231][ T4321] 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
[ 65.474800][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 65.483186][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 65.495362][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 65.503302][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 65.511245][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 65.519194][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 65.527154][ T4321]
[ 65.530173][ T4321] BUG: Bad page state in process syz.2.16 pfn:117ade
[ 65.536937][ T4321] page:ffffea00045eb780 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117ade
[ 65.547162][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 65.552850][ T4321] page_type: 0xffffffff()
[ 65.557160][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 65.565730][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 65.574291][ T4321] page dumped because: page_pool leak
[ 65.579647][ T4321] page_owner tracks the page as allocated
[ 65.585429][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577221881, free_ts 58685332713
[ 65.603641][ T4321] post_alloc_hook+0x15a/0x180
[ 65.608387][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 65.614002][ T4321] __alloc_pages+0x11f/0x280
[ 65.618574][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 65.623598][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 65.629419][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 65.634691][ T4321] do_xdp_generic+0xec/0x300
[ 65.639464][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 65.644993][ T4321] __netif_receive_skb+0x3b/0x160
[ 65.650007][ T4321] netif_receive_skb+0x78/0x1f0
[ 65.655098][ T4321] tun_rx_batched+0x1be/0x200
[ 65.659837][ T4321] tun_get_user+0xf4a/0x12f0
[ 65.664395][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 65.669255][ T4321] vfs_write+0x3f9/0x4c0
[ 65.673486][ T4321] ksys_write+0x70/0xe0
[ 65.677657][ T4321] do_syscall_64+0x94/0x1a0
[ 65.682174][ T4321] page last free pid 34 tgid 34 stack trace:
[ 65.688129][ T4321] free_unref_page_prepare+0x3db/0x470
[ 65.693570][ T4321] free_unref_page+0x37/0x260
[ 65.698233][ T4321] vfree+0x7a/0xe0
[ 65.701945][ T4321] delayed_vfree_work+0x1b/0x30
[ 65.706772][ T4321] process_scheduled_works+0x250/0x4d0
[ 65.712376][ T4321] worker_thread+0x23d/0x300
[ 65.716944][ T4321] kthread+0xe9/0x100
[ 65.720945][ T4321] ret_from_fork+0x32/0x40
[ 65.725356][ T4321] ret_from_fork_asm+0x1b/0x30
[ 65.730364][ T4321] Modules linked in:
[ 65.734229][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 65.743849][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 65.753989][ T4321] Call Trace:
[ 65.757240][ T4321]
[ 65.760152][ T4321] dump_stack_lvl+0x83/0xd0
[ 65.764622][ T4321] bad_page+0xdd/0xf0
[ 65.768664][ T4321] free_unref_page_prepare+0x453/0x470
[ 65.774087][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 65.779683][ T4321] free_unref_page+0x37/0x260
[ 65.784336][ T4321] ? rcu_is_watching+0x10/0x40
[ 65.789097][ T4321] ? lock_release+0x43/0x2b0
[ 65.793657][ T4321] ? lock_acquire+0x51/0x1f0
[ 65.798227][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 65.803841][ T4321] ? lock_acquire+0x51/0x1f0
[ 65.808401][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 65.813315][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 65.818136][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 65.822785][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 65.828119][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 65.833644][ T4321] do_xdp_generic+0x1a2/0x300
[ 65.838295][ T4321] ? tun_rx_batched+0x19f/0x200
[ 65.843112][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 65.848633][ T4321] ? rcu_is_watching+0x10/0x40
[ 65.853364][ T4321] ? lock_release+0x43/0x2b0
[ 65.857933][ T4321] ? rcu_is_watching+0x10/0x40
[ 65.862660][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 65.867647][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 65.872395][ T4321] ? tun_rx_batched+0x19f/0x200
[ 65.877309][ T4321] __netif_receive_skb+0x3b/0x160
[ 65.882589][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 65.887577][ T4321] netif_receive_skb+0x78/0x1f0
[ 65.892481][ T4321] tun_rx_batched+0x1be/0x200
[ 65.897128][ T4321] ? tun_get_user+0xc37/0x12f0
[ 65.901888][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 65.906616][ T4321] tun_get_user+0xf4a/0x12f0
[ 65.911197][ T4321] ? tun_get+0x14/0xc0
[ 65.915237][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 65.921917][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 65.927228][ T4321] vfs_write+0x3f9/0x4c0
[ 65.931434][ T4321] ksys_write+0x70/0xe0
[ 65.935725][ T4321] do_syscall_64+0x94/0x1a0
[ 65.940215][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 65.946079][ T4321] RIP: 0033:0x7f9f4537e98f
[ 65.950469][ T4321] 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
[ 65.970056][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 65.978441][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 65.986385][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 65.994421][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 66.002369][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 66.010399][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 66.018363][ T4321]
[ 66.021379][ T4321] BUG: Bad page state in process syz.2.16 pfn:17b675
[ 66.028119][ T4321] page:ffffea0005ed9d40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17b675
[ 66.038450][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 66.044160][ T4321] page_type: 0xffffffff()
[ 66.048475][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 66.057128][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 66.065717][ T4321] page dumped because: page_pool leak
[ 66.071056][ T4321] page_owner tracks the page as allocated
[ 66.076925][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577218739, free_ts 58685336461
[ 66.095064][ T4321] post_alloc_hook+0x15a/0x180
[ 66.099814][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 66.105613][ T4321] __alloc_pages+0x11f/0x280
[ 66.110180][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 66.115188][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 66.120965][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 66.126232][ T4321] do_xdp_generic+0xec/0x300
[ 66.130879][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 66.136492][ T4321] __netif_receive_skb+0x3b/0x160
[ 66.141766][ T4321] netif_receive_skb+0x78/0x1f0
[ 66.146598][ T4321] tun_rx_batched+0x1be/0x200
[ 66.151353][ T4321] tun_get_user+0xf4a/0x12f0
[ 66.156062][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 66.160975][ T4321] vfs_write+0x3f9/0x4c0
[ 66.165221][ T4321] ksys_write+0x70/0xe0
[ 66.169505][ T4321] do_syscall_64+0x94/0x1a0
[ 66.174068][ T4321] page last free pid 34 tgid 34 stack trace:
[ 66.180120][ T4321] free_unref_page_prepare+0x3db/0x470
[ 66.185593][ T4321] free_unref_page+0x37/0x260
[ 66.190236][ T4321] vfree+0x7a/0xe0
[ 66.193922][ T4321] delayed_vfree_work+0x1b/0x30
[ 66.198780][ T4321] process_scheduled_works+0x250/0x4d0
[ 66.204308][ T4321] worker_thread+0x23d/0x300
[ 66.209051][ T4321] kthread+0xe9/0x100
[ 66.213001][ T4321] ret_from_fork+0x32/0x40
[ 66.217396][ T4321] ret_from_fork_asm+0x1b/0x30
[ 66.222228][ T4321] Modules linked in:
[ 66.226114][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 66.235729][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 66.245750][ T4321] Call Trace:
[ 66.249005][ T4321]
[ 66.251908][ T4321] dump_stack_lvl+0x83/0xd0
[ 66.256384][ T4321] bad_page+0xdd/0xf0
[ 66.260428][ T4321] free_unref_page_prepare+0x453/0x470
[ 66.265899][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 66.271513][ T4321] free_unref_page+0x37/0x260
[ 66.276160][ T4321] ? rcu_is_watching+0x10/0x40
[ 66.280888][ T4321] ? lock_release+0x43/0x2b0
[ 66.285461][ T4321] ? lock_acquire+0x51/0x1f0
[ 66.290023][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 66.295618][ T4321] ? lock_acquire+0x51/0x1f0
[ 66.300173][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 66.305074][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 66.309889][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 66.314540][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 66.319875][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 66.325383][ T4321] do_xdp_generic+0x1a2/0x300
[ 66.330026][ T4321] ? tun_rx_batched+0x19f/0x200
[ 66.334874][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 66.340464][ T4321] ? rcu_is_watching+0x10/0x40
[ 66.345196][ T4321] ? lock_release+0x43/0x2b0
[ 66.349757][ T4321] ? rcu_is_watching+0x10/0x40
[ 66.354490][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 66.359481][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 66.364220][ T4321] ? tun_rx_batched+0x19f/0x200
[ 66.369037][ T4321] __netif_receive_skb+0x3b/0x160
[ 66.374023][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 66.379069][ T4321] netif_receive_skb+0x78/0x1f0
[ 66.383973][ T4321] tun_rx_batched+0x1be/0x200
[ 66.388619][ T4321] ? tun_get_user+0xc37/0x12f0
[ 66.393434][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 66.398165][ T4321] tun_get_user+0xf4a/0x12f0
[ 66.402718][ T4321] ? tun_get+0x14/0xc0
[ 66.406753][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 66.413392][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 66.418205][ T4321] vfs_write+0x3f9/0x4c0
[ 66.422412][ T4321] ksys_write+0x70/0xe0
[ 66.426530][ T4321] do_syscall_64+0x94/0x1a0
[ 66.430999][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 66.436964][ T4321] RIP: 0033:0x7f9f4537e98f
[ 66.441350][ T4321] 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
[ 66.460955][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 66.469339][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 66.477464][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 66.485417][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 66.493350][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 66.501345][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 66.509285][ T4321]
[ 66.512302][ T4321] BUG: Bad page state in process syz.2.16 pfn:1180dc
[ 66.519122][ T4321] page:ffffea0004603700 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1180dc
[ 66.529428][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 66.535143][ T4321] page_type: 0xffffffff()
[ 66.539463][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 66.548052][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 66.556610][ T4321] page dumped because: page_pool leak
[ 66.561942][ T4321] page_owner tracks the page as allocated
[ 66.567788][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577215933, free_ts 58685339871
[ 66.585912][ T4321] post_alloc_hook+0x15a/0x180
[ 66.590642][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 66.596168][ T4321] __alloc_pages+0x11f/0x280
[ 66.600728][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 66.605770][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 66.611641][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 66.616821][ T4321] do_xdp_generic+0xec/0x300
[ 66.621384][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 66.627180][ T4321] __netif_receive_skb+0x3b/0x160
[ 66.632177][ T4321] netif_receive_skb+0x78/0x1f0
[ 66.637008][ T4321] tun_rx_batched+0x1be/0x200
[ 66.641675][ T4321] tun_get_user+0xf4a/0x12f0
[ 66.646248][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 66.651083][ T4321] vfs_write+0x3f9/0x4c0
[ 66.655313][ T4321] ksys_write+0x70/0xe0
[ 66.659530][ T4321] do_syscall_64+0x94/0x1a0
[ 66.664008][ T4321] page last free pid 34 tgid 34 stack trace:
[ 66.669979][ T4321] free_unref_page_prepare+0x3db/0x470
[ 66.675423][ T4321] free_unref_page+0x37/0x260
[ 66.680062][ T4321] vfree+0x7a/0xe0
[ 66.683746][ T4321] delayed_vfree_work+0x1b/0x30
[ 66.688590][ T4321] process_scheduled_works+0x250/0x4d0
[ 66.694020][ T4321] worker_thread+0x23d/0x300
[ 66.698607][ T4321] kthread+0xe9/0x100
[ 66.702559][ T4321] ret_from_fork+0x32/0x40
[ 66.706973][ T4321] ret_from_fork_asm+0x1b/0x30
[ 66.711719][ T4321] Modules linked in:
[ 66.715600][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 66.725106][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 66.735140][ T4321] Call Trace:
[ 66.738395][ T4321]
[ 66.741296][ T4321] dump_stack_lvl+0x83/0xd0
[ 66.745779][ T4321] bad_page+0xdd/0xf0
[ 66.749726][ T4321] free_unref_page_prepare+0x453/0x470
[ 66.755147][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 66.760742][ T4321] free_unref_page+0x37/0x260
[ 66.765383][ T4321] ? rcu_is_watching+0x10/0x40
[ 66.770113][ T4321] ? lock_release+0x43/0x2b0
[ 66.774702][ T4321] ? lock_acquire+0x51/0x1f0
[ 66.779258][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 66.784851][ T4321] ? lock_acquire+0x51/0x1f0
[ 66.789402][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 66.794303][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 66.799214][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 66.803854][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 66.809198][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 66.814714][ T4321] do_xdp_generic+0x1a2/0x300
[ 66.819444][ T4321] ? tun_rx_batched+0x19f/0x200
[ 66.824260][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 66.829766][ T4321] ? rcu_is_watching+0x10/0x40
[ 66.834493][ T4321] ? lock_release+0x43/0x2b0
[ 66.839141][ T4321] ? rcu_is_watching+0x10/0x40
[ 66.843879][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 66.848870][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 66.853718][ T4321] ? tun_rx_batched+0x19f/0x200
[ 66.858539][ T4321] __netif_receive_skb+0x3b/0x160
[ 66.863531][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 66.868599][ T4321] netif_receive_skb+0x78/0x1f0
[ 66.873523][ T4321] tun_rx_batched+0x1be/0x200
[ 66.878415][ T4321] ? tun_get_user+0xc37/0x12f0
[ 66.883139][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 66.887895][ T4321] tun_get_user+0xf4a/0x12f0
[ 66.892447][ T4321] ? tun_get+0x14/0xc0
[ 66.896573][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 66.903341][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 66.908168][ T4321] vfs_write+0x3f9/0x4c0
[ 66.912461][ T4321] ksys_write+0x70/0xe0
[ 66.916598][ T4321] do_syscall_64+0x94/0x1a0
[ 66.921067][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 66.927014][ T4321] RIP: 0033:0x7f9f4537e98f
[ 66.931409][ T4321] 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
[ 66.951160][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 66.959535][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 66.967557][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 66.975491][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 66.983436][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 66.991805][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 66.999830][ T4321]
[ 67.002851][ T4321] BUG: Bad page state in process syz.2.16 pfn:1161e2
[ 67.009592][ T4321] page:ffffea0004587880 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1161e2
[ 67.019841][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 67.025541][ T4321] page_type: 0xffffffff()
[ 67.029839][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 67.038400][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 67.046974][ T4321] page dumped because: page_pool leak
[ 67.052323][ T4321] page_owner tracks the page as allocated
[ 67.058017][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577213091, free_ts 58685404759
[ 67.076131][ T4321] post_alloc_hook+0x15a/0x180
[ 67.080865][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 67.086401][ T4321] __alloc_pages+0x11f/0x280
[ 67.090958][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 67.095957][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 67.101750][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 67.106952][ T4321] do_xdp_generic+0xec/0x300
[ 67.111618][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 67.117154][ T4321] __netif_receive_skb+0x3b/0x160
[ 67.122255][ T4321] netif_receive_skb+0x78/0x1f0
[ 67.127092][ T4321] tun_rx_batched+0x1be/0x200
[ 67.131739][ T4321] tun_get_user+0xf4a/0x12f0
[ 67.136307][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 67.141127][ T4321] vfs_write+0x3f9/0x4c0
[ 67.145351][ T4321] ksys_write+0x70/0xe0
[ 67.149495][ T4321] do_syscall_64+0x94/0x1a0
[ 67.153967][ T4321] page last free pid 22 tgid 22 stack trace:
[ 67.160016][ T4321] free_unref_page_prepare+0x3db/0x470
[ 67.165453][ T4321] free_unref_page+0x37/0x260
[ 67.170100][ T4321] __slab_free+0x2fc/0x3c0
[ 67.174576][ T4321] kmem_cache_free+0x1ad/0x310
[ 67.179329][ T4321] rcu_core+0x3f1/0x8b0
[ 67.183466][ T4321] __do_softirq+0x110/0x30b
[ 67.187980][ T4321] Modules linked in:
[ 67.191849][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 67.201456][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 67.211579][ T4321] Call Trace:
[ 67.214833][ T4321]
[ 67.217752][ T4321] dump_stack_lvl+0x83/0xd0
[ 67.222223][ T4321] bad_page+0xdd/0xf0
[ 67.226169][ T4321] free_unref_page_prepare+0x453/0x470
[ 67.231589][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 67.237205][ T4321] free_unref_page+0x37/0x260
[ 67.241852][ T4321] ? rcu_is_watching+0x10/0x40
[ 67.246696][ T4321] ? lock_release+0x43/0x2b0
[ 67.251430][ T4321] ? lock_acquire+0x51/0x1f0
[ 67.255999][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 67.261685][ T4321] ? lock_acquire+0x51/0x1f0
[ 67.266246][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 67.271161][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 67.276028][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 67.280670][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 67.286035][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 67.291554][ T4321] do_xdp_generic+0x1a2/0x300
[ 67.296198][ T4321] ? tun_rx_batched+0x19f/0x200
[ 67.301540][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 67.307146][ T4321] ? rcu_is_watching+0x10/0x40
[ 67.311894][ T4321] ? lock_release+0x43/0x2b0
[ 67.316465][ T4321] ? rcu_is_watching+0x10/0x40
[ 67.321195][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 67.326216][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 67.330945][ T4321] ? tun_rx_batched+0x19f/0x200
[ 67.335761][ T4321] __netif_receive_skb+0x3b/0x160
[ 67.340750][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 67.345742][ T4321] netif_receive_skb+0x78/0x1f0
[ 67.350557][ T4321] tun_rx_batched+0x1be/0x200
[ 67.355196][ T4321] ? tun_get_user+0xc37/0x12f0
[ 67.360010][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 67.364735][ T4321] tun_get_user+0xf4a/0x12f0
[ 67.369291][ T4321] ? tun_get+0x14/0xc0
[ 67.373321][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 67.379959][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 67.384783][ T4321] vfs_write+0x3f9/0x4c0
[ 67.389086][ T4321] ksys_write+0x70/0xe0
[ 67.393313][ T4321] do_syscall_64+0x94/0x1a0
[ 67.397797][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 67.403681][ T4321] RIP: 0033:0x7f9f4537e98f
[ 67.408062][ T4321] 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
[ 67.427908][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 67.436286][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 67.444230][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 67.452171][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 67.460289][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 67.468224][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 67.476171][ T4321]
[ 67.479206][ T4321] BUG: Bad page state in process syz.2.16 pfn:118174
[ 67.485945][ T4321] page:ffffea0004605d00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x118174
[ 67.496168][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 67.501855][ T4321] page_type: 0xffffffff()
[ 67.506164][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 67.514755][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 67.523328][ T4321] page dumped because: page_pool leak
[ 67.528768][ T4321] page_owner tracks the page as allocated
[ 67.534537][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577210141, free_ts 58685412666
[ 67.553119][ T4321] post_alloc_hook+0x15a/0x180
[ 67.557871][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 67.563387][ T4321] __alloc_pages+0x11f/0x280
[ 67.567967][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 67.572963][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 67.578763][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 67.583932][ T4321] do_xdp_generic+0xec/0x300
[ 67.588502][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 67.594018][ T4321] __netif_receive_skb+0x3b/0x160
[ 67.599040][ T4321] netif_receive_skb+0x78/0x1f0
[ 67.603870][ T4321] tun_rx_batched+0x1be/0x200
[ 67.608542][ T4321] tun_get_user+0xf4a/0x12f0
[ 67.613150][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 67.617989][ T4321] vfs_write+0x3f9/0x4c0
[ 67.622203][ T4321] ksys_write+0x70/0xe0
[ 67.626356][ T4321] do_syscall_64+0x94/0x1a0
[ 67.630830][ T4321] page last free pid 22 tgid 22 stack trace:
[ 67.636797][ T4321] free_unref_page_prepare+0x3db/0x470
[ 67.642317][ T4321] free_unref_page+0x37/0x260
[ 67.646979][ T4321] __put_partials+0x18e/0x1d0
[ 67.651635][ T4321] put_cpu_partial+0x150/0x1b0
[ 67.656460][ T4321] __slab_free+0x2b8/0x3c0
[ 67.660932][ T4321] kmem_cache_free+0x1ad/0x310
[ 67.665676][ T4321] rcu_core+0x3f1/0x8b0
[ 67.669888][ T4321] __do_softirq+0x110/0x30b
[ 67.674448][ T4321] Modules linked in:
[ 67.678355][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 67.688061][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 67.698089][ T4321] Call Trace:
[ 67.701347][ T4321]
[ 67.704359][ T4321] dump_stack_lvl+0x83/0xd0
[ 67.708847][ T4321] bad_page+0xdd/0xf0
[ 67.712825][ T4321] free_unref_page_prepare+0x453/0x470
[ 67.718250][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 67.723850][ T4321] free_unref_page+0x37/0x260
[ 67.728510][ T4321] ? rcu_is_watching+0x10/0x40
[ 67.733255][ T4321] ? lock_release+0x43/0x2b0
[ 67.737913][ T4321] ? lock_acquire+0x51/0x1f0
[ 67.742609][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 67.748227][ T4321] ? lock_acquire+0x51/0x1f0
[ 67.752783][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 67.757685][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 67.762605][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 67.767255][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 67.772606][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 67.778114][ T4321] do_xdp_generic+0x1a2/0x300
[ 67.782859][ T4321] ? tun_rx_batched+0x19f/0x200
[ 67.787711][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 67.793226][ T4321] ? rcu_is_watching+0x10/0x40
[ 67.797952][ T4321] ? lock_release+0x43/0x2b0
[ 67.802502][ T4321] ? rcu_is_watching+0x10/0x40
[ 67.807226][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 67.812212][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 67.816936][ T4321] ? tun_rx_batched+0x19f/0x200
[ 67.821747][ T4321] __netif_receive_skb+0x3b/0x160
[ 67.826760][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 67.831764][ T4321] netif_receive_skb+0x78/0x1f0
[ 67.836591][ T4321] tun_rx_batched+0x1be/0x200
[ 67.841234][ T4321] ? tun_get_user+0xc37/0x12f0
[ 67.845970][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 67.850780][ T4321] tun_get_user+0xf4a/0x12f0
[ 67.855345][ T4321] ? tun_get+0x14/0xc0
[ 67.859482][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 67.866136][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 67.870955][ T4321] vfs_write+0x3f9/0x4c0
[ 67.875175][ T4321] ksys_write+0x70/0xe0
[ 67.879293][ T4321] do_syscall_64+0x94/0x1a0
[ 67.883768][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 67.889626][ T4321] RIP: 0033:0x7f9f4537e98f
[ 67.894122][ T4321] 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
[ 67.913777][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 67.922326][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 67.930273][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 67.938305][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 67.946328][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 67.954362][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 67.962303][ T4321]
[ 67.965321][ T4321] BUG: Bad page state in process syz.2.16 pfn:117b4a
[ 67.972067][ T4321] page:ffffea00045ed280 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117b4a
[ 67.982290][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 67.988014][ T4321] page_type: 0xffffffff()
[ 67.992340][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 68.000909][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 68.009467][ T4321] page dumped because: page_pool leak
[ 68.014808][ T4321] page_owner tracks the page as allocated
[ 68.020594][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577207276, free_ts 58685416100
[ 68.038902][ T4321] post_alloc_hook+0x15a/0x180
[ 68.043717][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 68.049262][ T4321] __alloc_pages+0x11f/0x280
[ 68.053896][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 68.058923][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 68.064924][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 68.070099][ T4321] do_xdp_generic+0xec/0x300
[ 68.074651][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 68.080174][ T4321] __netif_receive_skb+0x3b/0x160
[ 68.085179][ T4321] netif_receive_skb+0x78/0x1f0
[ 68.089996][ T4321] tun_rx_batched+0x1be/0x200
[ 68.094653][ T4321] tun_get_user+0xf4a/0x12f0
[ 68.099393][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 68.104220][ T4321] vfs_write+0x3f9/0x4c0
[ 68.108456][ T4321] ksys_write+0x70/0xe0
[ 68.112578][ T4321] do_syscall_64+0x94/0x1a0
[ 68.117245][ T4321] page last free pid 22 tgid 22 stack trace:
[ 68.123189][ T4321] free_unref_page_prepare+0x3db/0x470
[ 68.128765][ T4321] free_unref_page+0x37/0x260
[ 68.133426][ T4321] __put_partials+0x18e/0x1d0
[ 68.138087][ T4321] put_cpu_partial+0x150/0x1b0
[ 68.142819][ T4321] __slab_free+0x2b8/0x3c0
[ 68.147319][ T4321] kmem_cache_free+0x1ad/0x310
[ 68.152066][ T4321] rcu_core+0x3f1/0x8b0
[ 68.156207][ T4321] __do_softirq+0x110/0x30b
[ 68.160772][ T4321] Modules linked in:
[ 68.164655][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 68.174243][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 68.184281][ T4321] Call Trace:
[ 68.187540][ T4321]
[ 68.190439][ T4321] dump_stack_lvl+0x83/0xd0
[ 68.194911][ T4321] bad_page+0xdd/0xf0
[ 68.198946][ T4321] free_unref_page_prepare+0x453/0x470
[ 68.204389][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 68.209987][ T4321] free_unref_page+0x37/0x260
[ 68.214640][ T4321] ? rcu_is_watching+0x10/0x40
[ 68.219371][ T4321] ? lock_release+0x43/0x2b0
[ 68.223941][ T4321] ? lock_acquire+0x51/0x1f0
[ 68.228708][ T4321] bpf_xdp_frags_shrink_tail+0x141/0x1e0
[ 68.234309][ T4321] ? lock_acquire+0x51/0x1f0
[ 68.238887][ T4321] bpf_xdp_adjust_tail+0x75/0x80
[ 68.243894][ T4321] ___bpf_prog_run+0x5f6/0x2280
[ 68.248716][ T4321] __bpf_prog_run32+0xbb/0xe0
[ 68.253363][ T4321] ? skb_cow_data_for_xdp+0x4f0/0x560
[ 68.258706][ T4321] bpf_prog_run_generic_xdp+0x12f/0x370
[ 68.264215][ T4321] do_xdp_generic+0x1a2/0x300
[ 68.268944][ T4321] ? tun_rx_batched+0x19f/0x200
[ 68.273761][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 68.279267][ T4321] ? rcu_is_watching+0x10/0x40
[ 68.283995][ T4321] ? lock_release+0x43/0x2b0
[ 68.288563][ T4321] ? rcu_is_watching+0x10/0x40
[ 68.293293][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 68.298813][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 68.303547][ T4321] ? tun_rx_batched+0x19f/0x200
[ 68.308446][ T4321] __netif_receive_skb+0x3b/0x160
[ 68.313433][ T4321] ? netif_receive_skb+0x4b/0x1f0
[ 68.318416][ T4321] netif_receive_skb+0x78/0x1f0
[ 68.323243][ T4321] tun_rx_batched+0x1be/0x200
[ 68.327885][ T4321] ? tun_get_user+0xc37/0x12f0
[ 68.332618][ T4321] ? tun_get_user+0xcdf/0x12f0
[ 68.337353][ T4321] tun_get_user+0xf4a/0x12f0
[ 68.341914][ T4321] ? tun_get+0x14/0xc0
[ 68.345983][ T4321] ? trace_event_raw_event_rcu_utilization+0x80/0xc0
[ 68.352706][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 68.357604][ T4321] vfs_write+0x3f9/0x4c0
[ 68.361810][ T4321] ksys_write+0x70/0xe0
[ 68.365930][ T4321] do_syscall_64+0x94/0x1a0
[ 68.370400][ T4321] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 68.376348][ T4321] RIP: 0033:0x7f9f4537e98f
[ 68.380727][ T4321] 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
[ 68.400297][ T4321] RSP: 002b:00007f9f461a0020 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 68.408672][ T4321] RAX: ffffffffffffffda RBX: 00007f9f45545fa0 RCX: 00007f9f4537e98f
[ 68.416743][ T4321] RDX: 0000000000011dc0 RSI: 00000000200004c0 RDI: 00000000000000c8
[ 68.424686][ T4321] RBP: 00007f9f453f3cc8 R08: 0000000000000000 R09: 0000000000000000
[ 68.432626][ T4321] R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
[ 68.440739][ T4321] R13: 0000000000000000 R14: 00007f9f45545fa0 R15: 00007fff3e3c3428
[ 68.448680][ T4321]
[ 68.451698][ T4321] BUG: Bad page state in process syz.2.16 pfn:17af49
[ 68.458538][ T4321] page:ffffea0005ebd240 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17af49
[ 68.468955][ T4321] flags: 0x100000000000000(node=0|zone=2)
[ 68.474741][ T4321] page_type: 0xffffffff()
[ 68.479252][ T4321] raw: 0100000000000000 dead000000000040 ffff888103299000 0000000000000000
[ 68.488597][ T4321] raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000
[ 68.497296][ T4321] page dumped because: page_pool leak
[ 68.502675][ T4321] page_owner tracks the page as allocated
[ 68.508404][ T4321] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 4321, tgid 4319 (syz.2.16), ts 63577204217, free_ts 58685419220
[ 68.526720][ T4321] post_alloc_hook+0x15a/0x180
[ 68.531466][ T4321] get_page_from_freelist+0x17b9/0x1920
[ 68.536998][ T4321] __alloc_pages+0x11f/0x280
[ 68.541565][ T4321] __alloc_pages_bulk+0x442/0x6b0
[ 68.546656][ T4321] __page_pool_alloc_pages_slow+0x69/0x210
[ 68.552432][ T4321] skb_cow_data_for_xdp+0x372/0x560
[ 68.557870][ T4321] do_xdp_generic+0xec/0x300
[ 68.562531][ T4321] __netif_receive_skb_core+0x61b/0xf20
[ 68.568146][ T4321] __netif_receive_skb+0x3b/0x160
[ 68.573155][ T4321] netif_receive_skb+0x78/0x1f0
[ 68.577988][ T4321] tun_rx_batched+0x1be/0x200
[ 68.582702][ T4321] tun_get_user+0xf4a/0x12f0
[ 68.587407][ T4321] tun_chr_write_iter+0x5a/0xc0
[ 68.592322][ T4321] vfs_write+0x3f9/0x4c0
[ 68.596626][ T4321] ksys_write+0x70/0xe0
[ 68.600764][ T4321] do_syscall_64+0x94/0x1a0
[ 68.605247][ T4321] page last free pid 22 tgid 22 stack trace:
[ 68.611195][ T4321] free_unref_page_prepare+0x3db/0x470
[ 68.616726][ T4321] free_unref_page+0x37/0x260
[ 68.621371][ T4321] __put_partials+0x18e/0x1d0
[ 68.626140][ T4321] put_cpu_partial+0x150/0x1b0
[ 68.630876][ T4321] __slab_free+0x2b8/0x3c0
[ 68.635270][ T4321] kmem_cache_free+0x1ad/0x310
[ 68.640029][ T4321] rcu_core+0x3f1/0x8b0
[ 68.644233][ T4321] __do_softirq+0x110/0x30b
[ 68.648727][ T4321] Modules linked in:
[ 68.652724][ T4321] CPU: 1 PID: 4321 Comm: syz.2.16 Tainted: G B 6.8.0-rc3-syzkaller #0
[ 68.662321][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 68.672454][ T4321] Call Trace:
[ 68.675702][ T4321]
[ 68.678721][ T4321] dump_stack_lvl+0x83/0xd0
[ 68.683273][ T4321] bad_page+0xdd/0xf0
[ 68.687653][ T4321] free_unref_page_prepare+0x453/0x470
[ 68.693084][ T4321] ? free_unref_page_prepare+0x3db/0x470
[ 68.699049][ T4321] free_unref_page+0x37/0x260
[ 68.703789][ T4321] ? rcu_is_watching+0x10/0x40
[ 68.708530][ T4321] ? lock_release+0x43/0x2b0
[ 68.713093][ T4321] ? lock_acquire+0x51/0x1f0