------------[ cut here ]------------
WARNING: CPU: 0 PID: 4452 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4452 Comm: syz.2.66 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: 0018:ffffc90000007b90 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff888029f09dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10053e13b9
R10: ffffed10053e13b9 R11: 1ffff110053e13b8 R12: ffff888029f0b548
R13: 00007ffffffff000 R14: ffffc90000007bc8 R15: 0000000020000000
FS:  00007fe82af0e6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005f69b000 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_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_8fc34fd13f997abc+0x3d/0xa3c
 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
 trace_hrtimer_start include/trace/events/timer.h:199 [inline]
 debug_activate kernel/time/hrtimer.c:466 [inline]
 enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1074
 __run_hrtimer kernel/time/hrtimer.c:1707 [inline]
 __hrtimer_run_queues+0x65a/0xc40 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:_raw_spin_unlock_irqrestore+0xd5/0x100 kernel/locking/spinlock.c:195
Code: 8b 05 a7 13 50 76 85 c0 74 3c 48 c7 04 24 0e 36 e0 45 4b c7 04 27 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 48 75 23 <48> 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 e8 09 92 f6 ff f7 c3 00 02
RSP: 0018:ffffc9000121fa40 EFLAGS: 00000246
RAX: 42090d7cd3182500 RBX: 0000000000000a06 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: 00000000ffffffff
RBP: ffffc9000121fac0 R08: dffffc0000000000 R09: fffffbfff1ff7819
R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff8c1c6920 R15: 1ffff92000243f48
 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
 pcpu_alloc+0xab7/0x1770 mm/percpu.c:1850
 bpf_prog_alloc+0x47/0x1e0 kernel/bpf/core.c:128
 bpf_prog_load+0x7b3/0x1550 kernel/bpf/syscall.c:2301
 __sys_bpf+0x4c2/0x670 kernel/bpf/syscall.c:4657
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe82cca6ba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe82af0e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe82ceedfa0 RCX: 00007fe82cca6ba9
RDX: 0000000000000080 RSI: 0000200000000180 RDI: 0000000000000005
RBP: 00007fe82cd29e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe82ceee038 R14: 00007fe82ceedfa0 R15: 00007ffcde9c9ed8
 </TASK>
----------------
Code disassembly (best guess):
   0:	8b 05 a7 13 50 76    	mov    0x765013a7(%rip),%eax        # 0x765013ad
   6:	85 c0                	test   %eax,%eax
   8:	74 3c                	je     0x46
   a:	48 c7 04 24 0e 36 e0 	movq   $0x45e0360e,(%rsp)
  11:	45
  12:	4b c7 04 27 00 00 00 	movq   $0x0,(%r15,%r12,1)
  19:	00
  1a:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  21:	00 00
  23:	48 3b 44 24 48       	cmp    0x48(%rsp),%rax
  28:	75 23                	jne    0x4d
* 2a:	48 8d 65 e0          	lea    -0x20(%rbp),%rsp <-- trapping instruction
  2e:	5b                   	pop    %rbx
  2f:	41 5c                	pop    %r12
  31:	41 5e                	pop    %r14
  33:	41 5f                	pop    %r15
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	e8 09 92 f6 ff       	call   0xfff69245
  3c:	f7                   	.byte 0xf7
  3d:	c3                   	ret
  3e:	00 02                	add    %al,(%rdx)