------------[ cut here ]------------
WARNING: CPU: 0 PID: 20557 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 20557 Comm: syz.9.4339 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:ffffc90000007d30 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff888049019dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10092033b9
R10: ffffed10092033b9 R11: 1ffff110092033b8 R12: ffff88804901b548
R13: 00007ffffffff000 R14: ffffc90000007da8 R15: 0000000000000000
FS:  00007f884f6096c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f884f5e8d58 CR3: 000000005bd73000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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_f3c4d654356a1293+0x34/0xc30
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
 __bpf_prog_run include/linux/filter.h:621 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run2+0x242/0x2d0 kernel/trace/bpf_trace.c:1915
 trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
 flush_tlb_func+0x43f/0x510 arch/x86/mm/tlb.c:855
 flush_smp_call_function_queue+0x2a9/0x760 kernel/smp.c:628
 __sysvec_call_function_single+0x98/0x240 arch/x86/kernel/smp.c:248
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
 sysvec_call_function_single+0x98/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:pvclock_clocksource_read+0x0/0x760 arch/x86/kernel/pvclock.c:68
Code: 10 0f b6 44 24 07 48 8b 7c 24 08 e9 f3 fe ff ff 22 05 4c 62 35 0c 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 41 57 41 56 41 55 41 54 53 48 81 ec a0 00 00 00 4c 8d 47 08 4c
RSP: 0018:ffffc9000302faf0 EFLAGS: 00000282
RAX: ee208423126c1e00 RBX: ffffc9000302fd44 RCX: 0000000000080000
RDX: ffffc90013a1c000 RSI: 0000000000000267 RDI: ffffffff8eed1000
RBP: ffffc9000302fc90 R08: dffffc0000000000 R09: ffffed10092033b9
R10: ffffed10092033b9 R11: 1ffff110092033b8 R12: ffffc9000302fd40
R13: ffffc90001117030 R14: dffffc0000000000 R15: 0000000000000000
 kvm_clock_read arch/x86/kernel/kvmclock.c:79 [inline]
 kvm_sched_clock_read+0x14/0x40 arch/x86/kernel/kvmclock.c:91
 __bpf_prog_run include/linux/filter.h:618 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 bpf_test_run+0x46c/0x7d0 net/bpf/test_run.c:119
 bpf_prog_test_run_skb+0x9cc/0x1180 net/bpf/test_run.c:669
 bpf_prog_test_run+0x31e/0x390 kernel/bpf/syscall.c:3374
 __sys_bpf+0x535/0x670 kernel/bpf/syscall.c:4675
 __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: 0033:0x7f88513a1ba9
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:00007f884f609038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f88515e8fa0 RCX: 00007f88513a1ba9
RDX: 0000000000000050 RSI: 0000200000000240 RDI: 000000000000000a
RBP: 00007f8851424e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f88515e9038 R14: 00007f88515e8fa0 R15: 00007ffefd28a6c8
 </TASK>
----------------
Code disassembly (best guess):
   0:	10 0f                	adc    %cl,(%rdi)
   2:	b6 44                	mov    $0x44,%dh
   4:	24 07                	and    $0x7,%al
   6:	48 8b 7c 24 08       	mov    0x8(%rsp),%rdi
   b:	e9 f3 fe ff ff       	jmp    0xffffff03
  10:	22 05 4c 62 35 0c    	and    0xc35624c(%rip),%al        # 0xc356262
  16:	48 83 c4 18          	add    $0x18,%rsp
  1a:	5b                   	pop    %rbx
  1b:	41 5c                	pop    %r12
  1d:	41 5d                	pop    %r13
  1f:	41 5e                	pop    %r14
  21:	41 5f                	pop    %r15
  23:	5d                   	pop    %rbp
  24:	c3                   	ret
  25:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
* 2a:	55                   	push   %rbp <-- trapping instruction
  2b:	41 57                	push   %r15
  2d:	41 56                	push   %r14
  2f:	41 55                	push   %r13
  31:	41 54                	push   %r12
  33:	53                   	push   %rbx
  34:	48 81 ec a0 00 00 00 	sub    $0xa0,%rsp
  3b:	4c 8d 47 08          	lea    0x8(%rdi),%r8
  3f:	4c                   	rex.WR