BUG: Bad page state in process syz.9.829  pfn:44ae6
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44ae6
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300644094, free_ts 426716530037
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:44ae7
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44ae7
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300627726, free_ts 426716541357
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:44ae8
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44ae8
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300610946, free_ts 426716552535
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:44aed
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44aed
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300594818, free_ts 426716563666
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:44aee
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44aee
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300578325, free_ts 426716574554
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:5206c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88805206c5c8 pfn:0x5206c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 0000000000000000
raw: ffff88805206c5c8 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300562815, free_ts 426716580701
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:44ad9
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x44ad9
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300546905, free_ts 426716587105
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 23 tgid 23 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067
 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:25908
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802590e000 pfn:0x25908
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 0000000000000000
raw: ffff88802590e000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300530362, free_ts 426717479427
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 54 tgid 54 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 vfree+0x25a/0x400 mm/vmalloc.c:3479
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3398
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:25909
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffffffffffffffff pfn:0x25909
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 0000000000000000
raw: ffffffffffffffff 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300513461, free_ts 426717487333
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 54 tgid 54 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 vfree+0x25a/0x400 mm/vmalloc.c:3479
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3398
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:2590a
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802590adc0 pfn:0x2590a
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 0000000000000000
raw: ffff88802590adc0 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300496857, free_ts 426717494537
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 54 tgid 54 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 vfree+0x25a/0x400 mm/vmalloc.c:3479
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3398
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>
BUG: Bad page state in process syz.9.829  pfn:2590b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802590b000 pfn:0x2590b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff88801b18a000 0000000000000000
raw: ffff88802590b000 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 0x102820(GFP_ATOMIC|__GFP_NOWARN|__GFP_HARDWALL), pid 9957, tgid 9954 (syz.9.829), ts 427300480503, free_ts 426717500383
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1889
 prep_new_page mm/page_alloc.c:1897 [inline]
 get_page_from_freelist+0x24dc/0x2580 mm/page_alloc.c:3962
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5250
 __alloc_pages_noprof mm/page_alloc.c:5284 [inline]
 alloc_pages_bulk_noprof+0x558/0x700 mm/page_alloc.c:5204
 alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
 __page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:616
 page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
 page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
 page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
 skb_pp_cow_data+0xc21/0x1680 net/core/skbuff.c:993
 netif_skb_check_for_xdp net/core/dev.c:5505 [inline]
 netif_receive_generic_xdp net/core/dev.c:5546 [inline]
 do_xdp_generic+0x76b/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 54 tgid 54 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 vfree+0x25a/0x400 mm/vmalloc.c:3479
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3398
 process_one_work+0x949/0x1650 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 1 UID: 0 PID: 9957 Comm: syz.9.829 Tainted: G    B        L      syzkaller #0 PREEMPT(full) 
Tainted: [B]=BAD_PAGE, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 bad_page+0x17f/0x1c0 mm/page_alloc.c:676
 free_page_is_bad mm/page_alloc.c:1120 [inline]
 __free_pages_prepare mm/page_alloc.c:1424 [inline]
 __free_frozen_pages+0xd62/0xdb0 mm/page_alloc.c:2978
 bpf_xdp_shrink_data net/core/filter.c:4204 [inline]
 bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4228
 ____bpf_xdp_adjust_tail net/core/filter.c:4250 [inline]
 bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4243
 bpf_prog_5d7dc57dfd7f985a+0x1e/0x24
 __bpf_prog_run include/linux/filter.h:723 [inline]
 bpf_prog_run_xdp include/net/xdp.h:696 [inline]
 bpf_prog_run_generic_xdp+0x603/0x1490 net/core/dev.c:5436
 netif_receive_generic_xdp net/core/dev.c:5552 [inline]
 do_xdp_generic+0xac5/0x12e0 net/core/dev.c:5614
 tun_get_user+0x247d/0x3dd0 drivers/net/tun.c:1872
 tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61d/0xb90 fs/read_write.c:688
 ksys_write+0x150/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a9eb5cece
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5a9fb0ffb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5a9fb106c0 RCX: 00007f5a9eb5cece
RDX: 0000000000011dc0 RSI: 0000200000000300 RDI: 00000000000000c8
RBP: 00007f5a9ec32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a9ee16038 R14: 00007f5a9ee15fa0 R15: 00007fff7b93bcf8
 </TASK>