------------[ cut here ]------------
WARNING: CPU: 0 PID: 3565 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0
Modules linked in:
CPU: 0 PID: 3565 Comm: kworker/0:3 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events pwq_unbound_release_workfn
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 eb c6 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d4 c6 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc900000079c8 EFLAGS: 00010246
RAX: ffffffff81aa939c RBX: 0000000000000000 RCX: ffff88801a5abb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aa92ad R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000008 R14: 0000000000000000 R15: ffffc90000007a28
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001f684000 CR4: 00000000003506f0
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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_d20f016a5d369cb4+0x35/0xc54
 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:1880 [inline]
 bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918
 __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+0x1ce/0x1f0 mm/slub.c:3516
 put_pid kernel/pid.c:114 [inline]
 delayed_put_pid+0xbb/0x130 kernel/pid.c:123
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:synchronize_rcu+0x0/0x1a0 kernel/rcu/tree.c:3790
Code: e8 c5 db 5e 00 e9 68 fd ff ff 48 c7 c7 20 49 92 8c 48 89 de e8 b1 e0 bf 02 e9 b5 fa ff ff e8 87 04 c9 08 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00
RSP: 0018:ffffc90003117b38 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000622f70 RCX: ffffffff96868f03
RDX: 0000000000000000 RSI: ffffffff8a8b3900 RDI: ffffffff8ad904c0
RBP: ffffc90003117c08 R08: dffffc0000000000 R09: fffffbfff2d49938
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff96838788
R13: 1ffff92000622f6c R14: 0000000000000202 R15: ffffc90003117b80
 lockdep_unregister_key+0x4e6/0x5b0 kernel/locking/lockdep.c:6319
 wq_unregister_lockdep kernel/workqueue.c:3518 [inline]
 pwq_unbound_release_workfn+0x23d/0x290 kernel/workqueue.c:3756
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
----------------
Code disassembly (best guess):
   0:	e8 c5 db 5e 00       	call   0x5edbca
   5:	e9 68 fd ff ff       	jmp    0xfffffd72
   a:	48 c7 c7 20 49 92 8c 	mov    $0xffffffff8c924920,%rdi
  11:	48 89 de             	mov    %rbx,%rsi
  14:	e8 b1 e0 bf 02       	call   0x2bfe0ca
  19:	e9 b5 fa ff ff       	jmp    0xfffffad3
  1e:	e8 87 04 c9 08       	call   0x8c904aa
  23:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
* 2a:	55                   	push   %rbp <-- trapping instruction
  2b:	48 89 e5             	mov    %rsp,%rbp
  2e:	41 57                	push   %r15
  30:	41 56                	push   %r14
  32:	41 54                	push   %r12
  34:	53                   	push   %rbx
  35:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  39:	48 81 ec 00 01 00 00 	sub    $0x100,%rsp