BUG: Bad page state in process syz.7.2524 pfn:2dbbb page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802dbbbf00 pfn:0x2dbbb flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: ffff88802dbbbf00 3ffffffffffffffe 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 10185, tgid 10182 (syz.6.1309), ts 148671941288, free_ts 147177820542 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_frag_netmem+0x220/0x760 net/core/page_pool.c:998 page_pool_alloc_netmem include/net/page_pool/helpers.h:131 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x571/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 10161 tgid 10160 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 pagetable_free include/linux/mm.h:2923 [inline] pagetable_dtor_free include/linux/mm.h:3021 [inline] __tlb_remove_table include/asm-generic/tlb.h:216 [inline] __tlb_remove_table_free mm/mmu_gather.c:227 [inline] tlb_remove_table_rcu+0x116/0x1a0 mm/mmu_gather.c:282 rcu_do_batch kernel/rcu/tree.c:2568 [inline] rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2824 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Not tainted 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:320ed page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x320ed flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953165046, free_ts 298214301378 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5981 tgid 5981 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2910 [inline] apply_to_pmd_range mm/memory.c:2954 [inline] apply_to_pud_range mm/memory.c:2990 [inline] apply_to_p4d_range mm/memory.c:3026 [inline] __apply_to_page_range+0x5fd/0xd30 mm/memory.c:3062 kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:529 kasan_release_vmalloc_node mm/vmalloc.c:2196 [inline] purge_vmap_node+0x1d1/0xa40 mm/vmalloc.c:2213 __purge_vmap_area_lazy+0x9bf/0xc10 mm/vmalloc.c:2304 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:322be page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x322be flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953157465, free_ts 298214309416 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5981 tgid 5981 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2910 [inline] apply_to_pmd_range mm/memory.c:2954 [inline] apply_to_pud_range mm/memory.c:2990 [inline] apply_to_p4d_range mm/memory.c:3026 [inline] __apply_to_page_range+0x5fd/0xd30 mm/memory.c:3062 kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:529 kasan_release_vmalloc_node mm/vmalloc.c:2196 [inline] purge_vmap_node+0x1d1/0xa40 mm/vmalloc.c:2213 __purge_vmap_area_lazy+0x9bf/0xc10 mm/vmalloc.c:2304 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:32103 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x32103 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953149188, free_ts 298214317028 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5981 tgid 5981 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2910 [inline] apply_to_pmd_range mm/memory.c:2954 [inline] apply_to_pud_range mm/memory.c:2990 [inline] apply_to_p4d_range mm/memory.c:3026 [inline] __apply_to_page_range+0x5fd/0xd30 mm/memory.c:3062 kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:529 kasan_release_vmalloc_node mm/vmalloc.c:2196 [inline] purge_vmap_node+0x1d1/0xa40 mm/vmalloc.c:2213 __purge_vmap_area_lazy+0x9bf/0xc10 mm/vmalloc.c:2304 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:322d8 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x322d8 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953140652, free_ts 298214324959 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5981 tgid 5981 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2910 [inline] apply_to_pmd_range mm/memory.c:2954 [inline] apply_to_pud_range mm/memory.c:2990 [inline] apply_to_p4d_range mm/memory.c:3026 [inline] __apply_to_page_range+0x5fd/0xd30 mm/memory.c:3062 kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:529 kasan_release_vmalloc_node mm/vmalloc.c:2196 [inline] purge_vmap_node+0x1d1/0xa40 mm/vmalloc.c:2213 __purge_vmap_area_lazy+0x9bf/0xc10 mm/vmalloc.c:2304 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:31f96 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x31f96 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953132534, free_ts 298214332561 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5981 tgid 5981 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2910 [inline] apply_to_pmd_range mm/memory.c:2954 [inline] apply_to_pud_range mm/memory.c:2990 [inline] apply_to_p4d_range mm/memory.c:3026 [inline] __apply_to_page_range+0x5fd/0xd30 mm/memory.c:3062 kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:529 kasan_release_vmalloc_node mm/vmalloc.c:2196 [inline] purge_vmap_node+0x1d1/0xa40 mm/vmalloc.c:2213 __purge_vmap_area_lazy+0x9bf/0xc10 mm/vmalloc.c:2304 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2338 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:31948 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x31948 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: 0000000000000000 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953123689, free_ts 298214518226 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 13075 tgid 13075 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 vfree+0x174/0x950 mm/vmalloc.c:3383 __do_replace+0x7e0/0x9f0 net/ipv4/netfilter/arp_tables.c:937 do_replace net/ipv6/netfilter/ip6_tables.c:1158 [inline] do_ip6t_set_ctl+0x885/0xb10 net/ipv6/netfilter/ip6_tables.c:1644 nf_setsockopt+0x8a/0xf0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x135/0x170 net/ipv6/ipv6_sockglue.c:998 tcp_setsockopt+0xa4/0x100 net/ipv4/tcp.c:4043 do_sock_setsockopt+0x222/0x480 net/socket.c:2303 __sys_setsockopt+0x1a0/0x230 net/socket.c:2328 __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0xbd/0x160 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:32bf3 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888032bf34b0 pfn:0x32bf3 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: ffff888032bf34b0 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953102085, free_ts 300910010715 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 13649 tgid 13649 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 __put_partials+0x14c/0x170 mm/slub.c:3176 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4138 [inline] slab_alloc_node mm/slub.c:4187 [inline] kmem_cache_alloc_node_noprof+0x223/0x3c0 mm/slub.c:4239 __alloc_skb+0x2b1/0x380 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1331 [inline] netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1186 netlink_sendmsg+0x686/0xd70 net/netlink/af_netlink.c:1857 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0xa87/0xc70 net/socket.c:2573 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627 __sys_sendmsg+0x16e/0x220 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:320bf page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880320bff00 pfn:0x320bf flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: ffff8880320bff00 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953093511, free_ts 300910014632 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 13649 tgid 13649 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 __put_partials+0x14c/0x170 mm/slub.c:3176 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4138 [inline] slab_alloc_node mm/slub.c:4187 [inline] kmem_cache_alloc_node_noprof+0x223/0x3c0 mm/slub.c:4239 __alloc_skb+0x2b1/0x380 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1331 [inline] netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1186 netlink_sendmsg+0x686/0xd70 net/netlink/af_netlink.c:1857 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0xa87/0xc70 net/socket.c:2573 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627 __sys_sendmsg+0x16e/0x220 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:4c49a page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804c49a1e0 pfn:0x4c49a flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: ffff88804c49a1e0 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953086952, free_ts 300910018025 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 13649 tgid 13649 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 __put_partials+0x14c/0x170 mm/slub.c:3176 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4138 [inline] slab_alloc_node mm/slub.c:4187 [inline] kmem_cache_alloc_node_noprof+0x223/0x3c0 mm/slub.c:4239 __alloc_skb+0x2b1/0x380 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1331 [inline] netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1186 netlink_sendmsg+0x686/0xd70 net/netlink/af_netlink.c:1857 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0xa87/0xc70 net/socket.c:2573 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627 __sys_sendmsg+0x16e/0x220 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:4c49d page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804c49dd20 pfn:0x4c49d flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: ffff88804c49dd20 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953079330, free_ts 300910022889 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 13649 tgid 13649 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 __put_partials+0x14c/0x170 mm/slub.c:3176 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4138 [inline] slab_alloc_node mm/slub.c:4187 [inline] kmem_cache_alloc_node_noprof+0x223/0x3c0 mm/slub.c:4239 __alloc_skb+0x2b1/0x380 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1331 [inline] netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1186 netlink_sendmsg+0x686/0xd70 net/netlink/af_netlink.c:1857 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0xa87/0xc70 net/socket.c:2573 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627 __sys_sendmsg+0x16e/0x220 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88 BUG: Bad page state in process syz.7.2524 pfn:4c49e page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88804c49ef00 pfn:0x4c49e flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 dead000000000040 ffff888020d2d000 0000000000000000 raw: ffff88804c49ef00 0000000000000001 00000000ffffffff 0000000000000000 page dumped because: page_pool leak page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 13686, tgid 13685 (syz.7.2524), ts 300953071364, free_ts 300910026558 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4740 __alloc_pages_noprof mm/page_alloc.c:4774 [inline] alloc_pages_bulk_noprof+0x6f9/0x1390 mm/page_alloc.c:4694 alloc_pages_bulk_node_noprof include/linux/gfp.h:235 [inline] __page_pool_alloc_pages_slow+0x18c/0x770 net/core/page_pool.c:542 page_pool_alloc_netmems net/core/page_pool.c:593 [inline] page_pool_alloc_netmems+0xc4/0x160 net/core/page_pool.c:580 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline] page_pool_alloc include/net/page_pool/helpers.h:160 [inline] page_pool_dev_alloc include/net/page_pool/helpers.h:181 [inline] skb_pp_cow_data+0x776/0xf10 net/core/skbuff.c:893 skb_cow_data_for_xdp+0x88/0xb0 net/core/skbuff.c:927 netif_skb_check_for_xdp net/core/dev.c:5259 [inline] netif_receive_generic_xdp net/core/dev.c:5298 [inline] do_xdp_generic+0x3f1/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 13649 tgid 13649 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 __put_partials+0x14c/0x170 mm/slub.c:3176 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4138 [inline] slab_alloc_node mm/slub.c:4187 [inline] kmem_cache_alloc_node_noprof+0x223/0x3c0 mm/slub.c:4239 __alloc_skb+0x2b1/0x380 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1331 [inline] netlink_alloc_large_skb+0x69/0x130 net/netlink/af_netlink.c:1186 netlink_sendmsg+0x686/0xd70 net/netlink/af_netlink.c:1857 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:733 [inline] ____sys_sendmsg+0xa87/0xc70 net/socket.c:2573 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2627 __sys_sendmsg+0x16e/0x220 net/socket.c:2659 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 1 UID: 0 PID: 13686 Comm: syz.7.2524 Tainted: G B 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0 Tainted: [B]=BAD_PAGE Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120 bad_page+0xb3/0x1f0 mm/page_alloc.c:501 free_page_is_bad_report mm/page_alloc.c:913 [inline] free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_frozen_pages+0x701/0xfb0 mm/page_alloc.c:2660 page_frag_free+0x255/0x2a0 mm/page_frag_cache.c:169 __xdp_return+0x363/0xac0 net/core/xdp.c:447 bpf_xdp_shrink_data net/core/filter.c:4155 [inline] bpf_xdp_frags_shrink_tail net/core/filter.c:4175 [inline] ____bpf_xdp_adjust_tail net/core/filter.c:4200 [inline] bpf_xdp_adjust_tail+0x9de/0xf70 net/core/filter.c:4193 bpf_prog_f476d5219b92964a+0x1e/0x20 __bpf_prog_run include/linux/filter.h:692 [inline] bpf_prog_run_xdp include/net/xdp.h:654 [inline] bpf_prog_run_generic_xdp+0xe33/0x1500 net/core/dev.c:5191 netif_receive_generic_xdp net/core/dev.c:5304 [inline] do_xdp_generic+0x70a/0xe70 net/core/dev.c:5366 tun_get_user+0x1e04/0x3e50 drivers/net/tun.c:1929 tun_chr_write_iter+0xdc/0x210 drivers/net/tun.c:2053 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x5ae/0x1150 fs/read_write.c:684 ksys_write+0x12b/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3bb178bc1f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007f3bb25e2000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3bb19a5fa0 RCX: 00007f3bb178bc1f RDX: 000000000000fdef RSI: 0000200000000a80 RDI: 00000000000000c8 RBP: 00007f3bb180e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000fdef R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3bb19a5fa0 R15: 00007fffb3befe88