BUG: Bad page state in process syz.8.1456 pfn:527d0
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880527d0e58 pfn:0x527d0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 0000000000000000
raw: ffff8880527d0e58 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 12278, tgid 12277 (syz.8.1456), ts 560487651574, free_ts 560334632927
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 12212 tgid 12210 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
tlb_batch_list_free mm/mmu_gather.c:159 [inline]
tlb_finish_mmu+0x11f/0x200 mm/mmu_gather.c:468
exit_mmap+0x496/0xc20 mm/mmap.c:1685
__mmput+0x115/0x3c0 kernel/fork.c:1348
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9ad/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3017
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:2a376
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802a376af8 pfn:0x2a376
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 0000000000000000
raw: ffff88802a376af8 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 12278, tgid 12277 (syz.8.1456), ts 560487639654, free_ts 560334644656
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 12212 tgid 12210 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
tlb_batch_list_free mm/mmu_gather.c:159 [inline]
tlb_finish_mmu+0x11f/0x200 mm/mmu_gather.c:468
exit_mmap+0x496/0xc20 mm/mmap.c:1685
__mmput+0x115/0x3c0 kernel/fork.c:1348
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9ad/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3017
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:355ac
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880355ac0e0 pfn:0x355ac
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 0000000000000000
raw: ffff8880355ac0e0 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 12278, tgid 12277 (syz.8.1456), ts 560487627754, free_ts 560341662916
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:510eb
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x510eb
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 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 12278, tgid 12277 (syz.8.1456), ts 560487607674, free_ts 560341674796
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:65778
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888065778dc0 pfn:0x65778
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 0000000000000000
raw: ffff888065778dc0 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 12278, tgid 12277 (syz.8.1456), ts 560487595934, free_ts 560341685125
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:7d76b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d76b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 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 12278, tgid 12277 (syz.8.1456), ts 560487584014, free_ts 560341704735
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:56ec2
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x56ec2
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 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 12278, tgid 12277 (syz.8.1456), ts 560487572014, free_ts 560341723845
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:2a30c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888000000000 pfn:0x2a30c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 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 12278, tgid 12277 (syz.8.1456), ts 560487560134, free_ts 560341733916
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:29878
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888029878000 pfn:0x29878
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 0000000000000000
raw: ffff888029878000 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 12278, tgid 12277 (syz.8.1456), ts 560487548044, free_ts 560341787745
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:5884c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5884c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 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 12278, tgid 12277 (syz.8.1456), ts 560487536384, free_ts 560341797095
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028
BUG: Bad page state in process syz.8.1456 pfn:58848
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88805884e000 pfn:0x58848
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888022ab0000 0000000000000000
raw: ffff88805884e000 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 12278, tgid 12277 (syz.8.1456), ts 560487524804, free_ts 560341806855
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_bulk_noprof+0x70b/0xcc0 mm/page_alloc.c:4701
alloc_pages_bulk_array_node_noprof include/linux/gfp.h:239 [inline]
__page_pool_alloc_pages_slow+0x122/0x690 net/core/page_pool.c:538
page_pool_alloc_netmem net/core/page_pool.c:590 [inline]
page_pool_alloc_pages+0xd0/0x1c0 net/core/page_pool.c:597
page_pool_alloc include/net/page_pool/helpers.h:129 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:167 [inline]
skb_pp_cow_data+0xc43/0x1640 net/core/skbuff.c:983
netif_skb_check_for_xdp net/core/dev.c:5073 [inline]
netif_receive_generic_xdp net/core/dev.c:5112 [inline]
do_xdp_generic+0x505/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
page last free pid 5837 tgid 5837 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
vfree+0x1c3/0x360 mm/vmalloc.c:3383
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3303
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
CPU: 0 UID: 0 PID: 12278 Comm: syz.8.1456 Tainted: G B 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
bad_page+0x176/0x1d0 mm/page_alloc.c:501
free_page_is_bad mm/page_alloc.c:923 [inline]
free_pages_prepare mm/page_alloc.c:1119 [inline]
free_unref_page+0xfb1/0x1010 mm/page_alloc.c:2659
bpf_xdp_shrink_data net/core/filter.c:4157 [inline]
bpf_xdp_frags_shrink_tail+0x3ee/0x7e0 net/core/filter.c:4178
____bpf_xdp_adjust_tail net/core/filter.c:4203 [inline]
bpf_xdp_adjust_tail+0x1c3/0x200 net/core/filter.c:4196
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:701 [inline]
bpf_prog_run_xdp include/net/xdp.h:514 [inline]
bpf_prog_run_generic_xdp+0x686/0x1510 net/core/dev.c:5005
netif_receive_generic_xdp net/core/dev.c:5118 [inline]
do_xdp_generic+0x757/0xd30 net/core/dev.c:5180
__netif_receive_skb_core+0x1ce9/0x4690 net/core/dev.c:5524
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
netif_receive_skb_internal net/core/dev.c:5903 [inline]
netif_receive_skb+0x1e8/0x890 net/core/dev.c:5962
tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1550
tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2007
tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2053
new_sync_write fs/read_write.c:586 [inline]
vfs_write+0xaed/0xd30 fs/read_write.c:679
ksys_write+0x18f/0x2b0 fs/read_write.c:731
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc8a41847df
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:00007fc8a5049000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc8a4375fa0 RCX: 00007fc8a41847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007fc8a4201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc8a4375fa0 R15: 00007ffc0b8e2028