------------[ cut here ]------------
WARNING: CPU: 1 PID: 4181 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4181 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 3d f7 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c0 f3 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0000:ffffc90000dcf470 EFLAGS: 00010246
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff888074f28000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100e9e5001
R10: ffffed100e9e5001 R11: 1ffff1100e9e5000 R12: ffff888074f29788
R13: 00007ffffffff000 R14: ffffc90000dcf4a8 R15: 0000000020000000
FS: 0000555584eeb500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeb915bf88 CR3: 0000000064662000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
bpf_prog_8fc34fd13f997abc+0x3d/0xe4c
bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
__traceiter_net_dev_start_xmit+0x6c/0xc0 include/trace/events/net.h:14
trace_net_dev_start_xmit include/trace/events/net.h:14 [inline]
xmit_one net/core/dev.c:3648 [inline]
dev_hard_start_xmit+0x5c7/0x7e0 net/core/dev.c:3665
sch_direct_xmit+0x24e/0x4a0 net/sched/sch_generic.c:342
__dev_xmit_skb net/core/dev.c:3884 [inline]
__dev_queue_xmit+0x170e/0x2ed0 net/core/dev.c:4253
neigh_hh_output include/net/neighbour.h:493 [inline]
neigh_output include/net/neighbour.h:507 [inline]
ip_finish_output2+0xc69/0x1080 net/ipv4/ip_output.c:228
dst_output include/net/dst.h:452 [inline]
ip_local_out net/ipv4/ip_output.c:126 [inline]
__ip_queue_xmit+0x11c3/0x1c00 net/ipv4/ip_output.c:532
__tcp_transmit_skb+0x1ced/0x31c0 net/ipv4/tcp_output.c:1404
tcp_transmit_skb net/ipv4/tcp_output.c:1422 [inline]
tcp_write_xmit+0x1907/0x6590 net/ipv4/tcp_output.c:2707
__tcp_push_pending_frames+0x92/0x250 net/ipv4/tcp_output.c:2892
tcp_push_pending_frames include/net/tcp.h:1916 [inline]
tcp_data_snd_check net/ipv4/tcp_input.c:5572 [inline]
tcp_rcv_established+0xf25/0x1cb0 net/ipv4/tcp_input.c:5983
tcp_v4_do_rcv+0x44b/0x9b0 net/ipv4/tcp_ipv4.c:1731
tcp_v4_rcv+0x268f/0x2cb0 net/ipv4/tcp_ipv4.c:2143
ip_protocol_deliver_rcu+0x3ad/0x770 net/ipv4/ip_input.c:204
ip_local_deliver_finish+0x1d5/0x320 net/ipv4/ip_input.c:231
NF_HOOK+0x2d6/0x360 include/linux/netfilter.h:302
dst_input include/net/dst.h:462 [inline]
ip_sublist_rcv_finish net/ipv4/ip_input.c:577 [inline]
ip_list_rcv_finish net/ipv4/ip_input.c:628 [inline]
ip_sublist_rcv+0xa1f/0xce0 net/ipv4/ip_input.c:636
ip_list_rcv+0x3df/0x430 net/ipv4/ip_input.c:671
__netif_receive_skb_list_ptype net/core/dev.c:5568 [inline]
__netif_receive_skb_list_core+0x574/0x740 net/core/dev.c:5616
__netif_receive_skb_list net/core/dev.c:5668 [inline]
netif_receive_skb_list_internal+0x871/0xb90 net/core/dev.c:5759
gro_normal_list net/core/dev.c:5913 [inline]
napi_complete_done+0x37d/0x830 net/core/dev.c:6651
virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline]
virtnet_poll+0x912/0xef0 drivers/net/virtio_net.c:1624
__napi_poll+0xc0/0x430 net/core/dev.c:7075
napi_poll net/core/dev.c:7142 [inline]
net_rx_action+0x4a8/0x9c0 net/core/dev.c:7232
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
common_interrupt+0xb5/0xd0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
RIP: 0010:lock_is_held_type+0x13a/0x190 kernel/locking/lockdep.c:5671
Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0000:ffffc90002eefa88 EFLAGS: 00000206
RAX: d1e58227d868d800 RBX: ffff888074f28000 RCX: d1e58227d868d800
RDX: 0000000000000000 RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a480
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7819
R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: 0000000000000002
R13: 0000000000000246 R14: ffffffff8c141f08 R15: ffff888074f28b40
lock_is_held include/linux/lockdep.h:287 [inline]
task_css include/linux/cgroup.h:496 [inline]
mem_cgroup_from_task+0x5e/0x110 mm/memcontrol.c:935
get_mem_cgroup_from_mm+0xaf/0x260 mm/memcontrol.c:988
__mem_cgroup_charge+0x11/0x80 mm/memcontrol.c:6800
mem_cgroup_charge include/linux/memcontrol.h:700 [inline]
wp_page_copy+0x3cf/0x1fd0 mm/memory.c:3078
handle_pte_fault mm/memory.c:4668 [inline]
__handle_mm_fault mm/memory.c:4785 [inline]
handle_mm_fault+0x1eca/0x43c0 mm/memory.c:4883
do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f1121be51a1
Code: 48 01 00 00 31 c0 48 c7 84 24 98 00 00 00 00 00 00 00 48 85 f6 0f 84 9e 00 00 00 48 8d 46 ff 48 89 fb 48 8d ac 24 00 01 00 00 <48> 89 44 24 08 4c 8d 7c 24 10 45 31 c0 31 c9 ba ff ff ff ff be 00
RSP: 002b:00007ffeb915bf80 EFLAGS: 00010206
RAX: 0000000000000fff RBX: 00007ffeb915c2a0 RCX: 00007ffeb915c110
RDX: 00007f1121cb6d9c RSI: 0000000000001000 RDI: 00007ffeb915c2a0
RBP: 00007ffeb915c080 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000293 R12: 00007f1121cb6d9c
R13: 00007ffeb915c110 R14: 0000000000000000 R15: 00007ffeb915d370
----------------
Code disassembly (best guess):
0: 75 40 jne 0x42
2: 48 c7 04 24 00 00 00 movq $0x0,(%rsp)
9: 00
a: 9c pushf
b: 8f 04 24 pop (%rsp)
e: f7 04 24 00 02 00 00 testl $0x200,(%rsp)
15: 75 46 jne 0x5d
17: 41 f7 c5 00 02 00 00 test $0x200,%r13d
1e: 74 01 je 0x21
20: fb sti
21: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
28: 00 00
* 2a: 48 3b 44 24 08 cmp 0x8(%rsp),%rax <-- trapping instruction
2f: 75 3c jne 0x6d
31: 89 e8 mov %ebp,%eax
33: 48 83 c4 10 add $0x10,%rsp
37: 5b pop %rbx
38: 41 5c pop %r12
3a: 41 5d pop %r13
3c: 41 5e pop %r14
3e: 41 5f pop %r15