BUG: Bad page state in process syz.3.112 pfn:3179e
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88803179e500 pfn:0x3179e
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff88803179e500 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 6408, tgid 6407 (syz.3.112), ts 120969510352, free_ts 120887743344
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:68fc5
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x700000000 pfn:0x68fc5
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: 0000000700000000 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 6408, tgid 6407 (syz.3.112), ts 120969500737, free_ts 120887773076
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:7dd08
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807dd08c80 pfn:0x7dd08
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff88807dd08c80 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 6408, tgid 6407 (syz.3.112), ts 120969491252, free_ts 120887788758
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:7b320
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x7b320
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff888000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6408, tgid 6407 (syz.3.112), ts 120969481324, free_ts 120887813541
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:758d2
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x758d2
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff888000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6408, tgid 6407 (syz.3.112), ts 120969471655, free_ts 120887842309
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:28d08
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x28d08
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff888000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6408, tgid 6407 (syz.3.112), ts 120969461973, free_ts 120887858228
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:7ddf9
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x7ddf9
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff888000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6408, tgid 6407 (syz.3.112), ts 120969452362, free_ts 120887885091
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:2dffb
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2dffb
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 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 6408, tgid 6407 (syz.3.112), ts 120969442882, free_ts 120887912204
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:54348
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x54348
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff888000000000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2820(GFP_ATOMIC|__GFP_NOWARN), pid 6408, tgid 6407 (syz.3.112), ts 120969433275, free_ts 120887926054
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:76daf
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x76daf
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 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 6408, tgid 6407 (syz.3.112), ts 120969423934, free_ts 120887951950
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08
BUG: Bad page state in process syz.3.112 pfn:2a2da
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802a2dadc0 pfn:0x2a2da
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880212f3000 0000000000000000
raw: ffff88802a2dadc0 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 6408, tgid 6407 (syz.3.112), ts 120969414262, free_ts 120887980356
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
__alloc_pages_noprof mm/page_alloc.c:5244 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5164
alloc_pages_bulk_node_noprof include/linux/gfp.h:255 [inline]
__page_pool_alloc_netmems_slow+0x14c/0x710 net/core/page_pool.c:612
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+0xb47/0x13e0 net/core/skbuff.c:972
netif_skb_check_for_xdp net/core/dev.c:5486 [inline]
netif_receive_generic_xdp net/core/dev.c:5527 [inline]
do_xdp_generic+0x699/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 6056 tgid 6056 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc8/0xd30 mm/page_alloc.c:2943
__tlb_remove_table_free mm/mmu_gather.c:227 [inline]
tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xd70/0x1870 kernel/rcu/tree.c:2857
handle_softirqs+0x27d/0x850 kernel/softirq.c:626
do_softirq+0xec/0x180 kernel/softirq.c:523
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450
ieee80211_rx_bss_info net/mac80211/ibss.c:1166 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11fc/0x2af0 net/mac80211/ibss.c:1602
ieee80211_iface_process_skb net/mac80211/iface.c:1736 [inline]
ieee80211_iface_work+0x85f/0x12d0 net/mac80211/iface.c:1790
cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
process_one_work+0x93a/0x15a0 kernel/workqueue.c:3261
process_scheduled_works kernel/workqueue.c:3344 [inline]
worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Modules linked in:
CPU: 1 UID: 0 PID: 6408 Comm: syz.3.112 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce6/0xd30 mm/page_alloc.c:2943
bpf_xdp_shrink_data net/core/filter.c:4202 [inline]
bpf_xdp_frags_shrink_tail+0x4f7/0x7f0 net/core/filter.c:4226
____bpf_xdp_adjust_tail net/core/filter.c:4248 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4241
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+0x665/0x14c0 net/core/dev.c:5417
netif_receive_generic_xdp net/core/dev.c:5533 [inline]
do_xdp_generic+0x9f7/0x1190 net/core/dev.c:5595
__netif_receive_skb_core+0x10b6/0x2f90 net/core/dev.c:5948
__netif_receive_skb_one_core net/core/dev.c:6136 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6251
netif_receive_skb_internal net/core/dev.c:6337 [inline]
netif_receive_skb+0x1bb/0x750 net/core/dev.c:6396
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa3/0x3dc0 drivers/net/tun.c:1953
tun_chr_write_iter+0x113/0x210 drivers/net/tun.c:1999
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7ff598e1ff
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:00007f7ff6859000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7ff5be5fa0 RCX: 00007f7ff598e1ff
RDX: 0000000000011dc0 RSI: 0000200000002940 RDI: 00000000000000c8
RBP: 00007f7ff5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f7ff5be6038 R14: 00007f7ff5be5fa0 R15: 00007ffc7aaa4a08