BUG: Bad page state in process syz.4.348 pfn:2fce1
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88802fce1f00 pfn:0x2fce1
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: ffff88802fce1f00 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 7153, tgid 7151 (syz.4.348), ts 189944573868, free_ts 189934073059
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 5832 tgid 5832 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
copy_entries_to_user net/ipv4/netfilter/arp_tables.c:713 [inline]
get_entries net/ipv4/netfilter/arp_tables.c:867 [inline]
do_arpt_get_ctl+0x10bb/0x16b0 net/ipv4/netfilter/arp_tables.c:1461
nf_getsockopt+0x29b/0x2c0 net/netfilter/nf_sockopt.c:116
ip_getsockopt+0x222/0x2e0 net/ipv4/ip_sockglue.c:1777
tcp_getsockopt+0x165/0x1c0 net/ipv4/tcp.c:4671
do_sock_getsockopt+0x3c6/0x7e0 net/socket.c:2374
__sys_getsockopt net/socket.c:2403 [inline]
__do_sys_getsockopt net/socket.c:2410 [inline]
__se_sys_getsockopt net/socket.c:2407 [inline]
__x64_sys_getsockopt+0x2a1/0x370 net/socket.c:2407
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
Modules linked in:
CPU: 0 UID: 0 PID: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:1236b
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2 pfn:0x1236b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 0000000000000002 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 7153, tgid 7151 (syz.4.348), ts 189944562318, free_ts 189935858341
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:58df0
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x15b pfn:0x58df0
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 000000000000015b 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 7153, tgid 7151 (syz.4.348), ts 189944550487, free_ts 189935939691
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:58df1
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58df1
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 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 7153, tgid 7151 (syz.4.348), ts 189944538918, free_ts 189935950021
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:7b596
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x169 pfn:0x7b596
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 0000000000000169 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 7153, tgid 7151 (syz.4.348), ts 189944527607, free_ts 189935959421
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:7b597
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x16a pfn:0x7b597
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 000000000000016a 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 7153, tgid 7151 (syz.4.348), ts 189944515788, free_ts 189935968960
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:510e4
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x510e4
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 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 7153, tgid 7151 (syz.4.348), ts 189944497938, free_ts 189935978451
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:510e5
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x510e5
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 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 7153, tgid 7151 (syz.4.348), ts 189944486058, free_ts 189935988551
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:2a058
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1a7 pfn:0x2a058
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 00000000000001a7 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 7153, tgid 7151 (syz.4.348), ts 189944474218, free_ts 189935998200
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:7b9b4
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x10f pfn:0x7b9b4
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 000000000000010f 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 7153, tgid 7151 (syz.4.348), ts 189944462658, free_ts 189936039221
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8
BUG: Bad page state in process syz.4.348 pfn:7b9b5
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x110 pfn:0x7b9b5
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff888021ea8000 0000000000000000
raw: 0000000000000110 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 7153, tgid 7151 (syz.4.348), ts 189944450927, free_ts 189936048891
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 5896 tgid 5896 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: 7153 Comm: syz.4.348 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: 0033:0x7f9b207847df
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:00007f9b21606000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9b20975fa0 RCX: 00007f9b207847df
RDX: 0000000000011dc0 RSI: 0000000020000780 RDI: 00000000000000c8
RBP: 00007f9b20801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9b20975fa0 R15: 00007ffeb0b544c8