BUG: Bad page state in process syz.0.17 pfn:7512c
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88807512c780 pfn:0x7512c
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff88807512c780 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 6033, tgid 6033 (syz.0.17), ts 85359684128, free_ts 85351902231
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 15 tgid 15 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1395 [inline]
__free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895
rcu_do_batch kernel/rcu/tree.c:2605 [inline]
rcu_core+0xca8/0x1770 kernel/rcu/tree.c:2861
handle_softirqs+0x283/0x870 kernel/softirq.c:579
run_ksoftirqd+0x9b/0x100 kernel/softirq.c:968
smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:160
kthread+0x70e/0x8a0 kernel/kthread.c:463
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75d04
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075d04070 pfn:0x75d04
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075d04070 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 6033, tgid 6033 (syz.0.17), ts 85359675224, free_ts 85357177074
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75486
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075486f50 pfn:0x75486
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075486f50 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 6033, tgid 6033 (syz.0.17), ts 85359665061, free_ts 85357193685
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75d22
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075d22a80 pfn:0x75d22
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075d22a80 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 6033, tgid 6033 (syz.0.17), ts 85359656677, free_ts 85357201867
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:754cc
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880754ccfc0 pfn:0x754cc
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff8880754ccfc0 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 6033, tgid 6033 (syz.0.17), ts 85359647785, free_ts 85357222440
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75131
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075131fc0 pfn:0x75131
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075131fc0 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 6033, tgid 6033 (syz.0.17), ts 85359639384, free_ts 85357376107
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75481
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075481fc0 pfn:0x75481
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075481fc0 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 6033, tgid 6033 (syz.0.17), ts 85359630773, free_ts 85357378510
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75ef5
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075ef5fc0 pfn:0x75ef5
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075ef5fc0 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 6033, tgid 6033 (syz.0.17), ts 85359622149, free_ts 85357559570
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75eef
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075eeffc0 pfn:0x75eef
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075eeffc0 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 6033, tgid 6033 (syz.0.17), ts 85359613607, free_ts 85357563349
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75cfb
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075cfbfc0 pfn:0x75cfb
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075cfbfc0 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 6033, tgid 6033 (syz.0.17), ts 85359605209, free_ts 85357566775
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003
BUG: Bad page state in process syz.0.17 pfn:75066
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888075066150 pfn:0x75066
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000040 ffff8880226ca000 0000000000000000
raw: ffff888075066150 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 6033, tgid 6033 (syz.0.17), ts 85359596884, free_ts 85357737253
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1859 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
__alloc_pages_noprof mm/page_alloc.c:5182 [inline]
alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5102
alloc_pages_bulk_node_noprof include/linux/gfp.h:254 [inline]
__page_pool_alloc_netmems_slow+0x127/0x740 net/core/page_pool.c:569
page_pool_alloc_netmem include/net/page_pool/helpers.h:128 [inline]
page_pool_alloc include/net/page_pool/helpers.h:167 [inline]
page_pool_dev_alloc include/net/page_pool/helpers.h:188 [inline]
skb_pp_cow_data+0xb47/0x13e0 net/core/skbuff.c:951
netif_skb_check_for_xdp net/core/dev.c:5341 [inline]
netif_receive_generic_xdp net/core/dev.c:5382 [inline]
do_xdp_generic+0x699/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
page last free pid 6033 tgid 6033 stack trace:
create_dummy_stack mm/page_owner.c:94 [inline]
register_dummy_stack+0x89/0xe0 mm/page_owner.c:100
init_page_owner+0x2e/0x620 mm/page_owner.c:118
invoke_init_callbacks mm/page_ext.c:148 [inline]
page_ext_init+0x511/0x550 mm/page_ext.c:486
mm_core_init+0x56/0x70 mm/mm_init.c:2789
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.17 Tainted: G B syzkaller #0 PREEMPT(full)
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
bad_page+0x180/0x1c0 mm/page_alloc.c:650
free_page_is_bad mm/page_alloc.c:1083 [inline]
free_pages_prepare mm/page_alloc.c:1387 [inline]
__free_frozen_pages+0xce2/0xd30 mm/page_alloc.c:2895
bpf_xdp_shrink_data net/core/filter.c:4181 [inline]
bpf_xdp_frags_shrink_tail+0x3a5/0x750 net/core/filter.c:4201
____bpf_xdp_adjust_tail net/core/filter.c:4226 [inline]
bpf_xdp_adjust_tail+0x1d6/0x220 net/core/filter.c:4219
bpf_prog_f476d5219b92964a+0x1e/0x24
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run_xdp include/net/xdp.h:657 [inline]
bpf_prog_run_generic_xdp+0x64b/0x14c0 net/core/dev.c:5272
netif_receive_generic_xdp net/core/dev.c:5388 [inline]
do_xdp_generic+0x9f7/0x11a0 net/core/dev.c:5450
__netif_receive_skb_core+0x17f9/0x4020 net/core/dev.c:5801
__netif_receive_skb_one_core net/core/dev.c:5989 [inline]
__netif_receive_skb+0x72/0x380 net/core/dev.c:6104
netif_receive_skb_internal net/core/dev.c:6190 [inline]
netif_receive_skb+0x1cb/0x790 net/core/dev.c:6249
tun_rx_batched+0x1b9/0x730 drivers/net/tun.c:1485
tun_get_user+0x2aa2/0x3e20 drivers/net/tun.c:1950
tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:1996
new_sync_write fs/read_write.c:593 [inline]
vfs_write+0x5c9/0xb30 fs/read_write.c:686
ksys_write+0x145/0x250 fs/read_write.c:738
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc6ef98d69f
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:00007ffcccf60130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc6efbb5fa0 RCX: 00007fc6ef98d69f
RDX: 0000000000011dc0 RSI: 00002000000004c0 RDI: 00000000000000c8
RBP: 00007fc6efa11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000011dc0 R11: 0000000000000293 R12: 0000000000000000
R13: 00007fc6efbb5fa0 R14: 00007fc6efbb5fa0 R15: 0000000000000003