------------[ cut here ]------------
WARNING: CPU: 1 PID: 4213 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4213 Comm: kworker/1:4 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: rcu_gp process_srcu
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ad e2 d7 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 30 df d7 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000dcfa58 EFLAGS: 00010246
RAX: ffffffff819fe2f0 RBX: 0000000000000008 RCX: ffff88806263d940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100c4c7b29
R10: ffffed100c4c7b29 R11: 1ffff1100c4c7b28 R12: ffff88806263f0c8
R13: 00007ffffffff000 R14: ffffc90000dcfac8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006293d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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_2f48b2f54611f152+0x60/0x33c
 bpf_dispatcher_nop_func include/linux/bpf.h:790 [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_run3+0x17e/0x320 kernel/trace/bpf_trace.c:1916
 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:138
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x1e7/0x210 mm/slub.c:3516
 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3400 [inline]
 tcp_ack+0x2086/0x6260 net/ipv4/tcp_input.c:3957
 tcp_rcv_established+0xe7d/0x1c80 net/ipv4/tcp_input.c:5973
 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:1592
 __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
 </IRQ>
 <TASK>
 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
RIP: 0010:preempt_count_add+0x5/0x190 kernel/sched/core.c:5480
Code: c1 03 38 c1 7c 97 48 8b 3c 24 e8 a6 db 6b 00 eb 8c e9 f5 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 56 53 <49> bf 00 00 00 00 00 fc ff df 48 c7 c0 60 1f 0a 96 48 c1 e8 03 42
RSP: 0018:ffffc90003d7faa0 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 0000000000002af9 RCX: 0000000000000000
RDX: 0000000000000021 RSI: ffffffff8a59a720 RDI: 0000000000000001
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffff520007aff25
R10: fffff520007aff25 R11: 1ffff920007aff24 R12: dffffc0000000000
R13: ffffffff9610c980 R14: 000000219e00c831 R15: 0000000000002940
 delay_tsc+0x61/0xc0 arch/x86/lib/delay.c:79
 try_check_zero+0x2c7/0x340 kernel/rcu/srcutree.c:702
 srcu_advance_state kernel/rcu/srcutree.c:1227 [inline]
 process_srcu+0x195/0xc10 kernel/rcu/srcutree.c:1325
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess):
   0:	c1 03 38             	roll   $0x38,(%rbx)
   3:	c1 7c 97 48 8b       	sarl   $0x8b,0x48(%rdi,%rdx,4)
   8:	3c 24                	cmp    $0x24,%al
   a:	e8 a6 db 6b 00       	call   0x6bdbb5
   f:	eb 8c                	jmp    0xffffff9d
  11:	e9 f5 fe ff ff       	jmp    0xffffff0b
  16:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1d:	00 00 00
  20:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  25:	41 57                	push   %r15
  27:	41 56                	push   %r14
  29:	53                   	push   %rbx
* 2a:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15 <-- trapping instruction
  31:	fc ff df
  34:	48 c7 c0 60 1f 0a 96 	mov    $0xffffffff960a1f60,%rax
  3b:	48 c1 e8 03          	shr    $0x3,%rax
  3f:	42                   	rex.X