------------[ cut here ]------------
WARNING: CPU: 0 PID: 6931 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 6931 Comm: syz.1.918 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 6d 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 f0 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:ffffc90000007cf0 EFLAGS: 00010006
RAX: ffffffff819ed660 RBX: 0000000000000008 RCX: ffff888029651dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10052ca3b9
R10: ffffed10052ca3b9 R11: 1ffff110052ca3b8 R12: ffff888029653548
R13: 00007ffffffff000 R14: ffffc90000007d68 R15: 0000000020000000
FS:  00007f5915eb96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000000179a2000 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_50865f92a03dfdc8+0x5e/0xbac
 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:__syscall_enter_from_user_work kernel/entry/common.c:93 [inline]
RIP: 0010:syscall_enter_from_user_mode+0x2a/0x70 kernel/entry/common.c:114
Code: 41 56 53 48 89 f3 49 89 fe 48 8b 7c 24 10 e8 3d f6 ff ff eb 31 eb 35 e8 74 b0 d4 f7 e8 6f ae d4 f7 fb 65 48 8b 05 f6 35 59 76 <48> 8b 70 08 40 f6 c6 3f 74 0b 4c 89 f7 5b 41 5e e9 21 f2 bc f7 48
RSP: 0018:ffffc9000342ff08 EFLAGS: 00000286
RAX: ffff888029651dc0 RBX: 0000000000000111 RCX: ad343c95bb60ff00
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a4c0
RBP: ffffc9000342ff48 R08: dffffc0000000000 R09: fffffbfff1ad32b6
R10: fffffbfff1ad32b6 R11: 1ffffffff1ad32b5 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc9000342ff58 R15: 0000000000000000
 do_syscall_64+0x24/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5917c08aa7
Code: 0f 85 de 01 00 00 64 c7 04 25 24 09 00 00 fe ff ff ff 48 8b 44 24 08 be 18 00 00 00 48 8d b8 e0 02 00 00 b8 11 01 00 00 0f 05 <48> 8d 7c 24 10 e8 3f 52 fe ff 66 0f ef c0 48 8b 4c 24 08 41 89 c0
RSP: 002b:00007f5915eb9120 EFLAGS: 00000246 ORIG_RAX: 0000000000000111
RAX: ffffffffffffffda RBX: 00007f5915eb96c0 RCX: 00007f5917c08aa7
RDX: ffffffffffffffb0 RSI: 0000000000000018 RDI: 00007f5915eb99a0
RBP: 0000000000000000 R08: 00007f5915eb96c0 R09: 00007fffa1ebd2b7
R10: 0000000000000008 R11: 0000000000000246 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007fffa1ebd1d0 R15: 00007fffa1ebd2b8
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 56                	push   %r14
   2:	53                   	push   %rbx
   3:	48 89 f3             	mov    %rsi,%rbx
   6:	49 89 fe             	mov    %rdi,%r14
   9:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
   e:	e8 3d f6 ff ff       	call   0xfffff650
  13:	eb 31                	jmp    0x46
  15:	eb 35                	jmp    0x4c
  17:	e8 74 b0 d4 f7       	call   0xf7d4b090
  1c:	e8 6f ae d4 f7       	call   0xf7d4ae90
  21:	fb                   	sti
  22:	65 48 8b 05 f6 35 59 	mov    %gs:0x765935f6(%rip),%rax        # 0x76593620
  29:	76
* 2a:	48 8b 70 08          	mov    0x8(%rax),%rsi <-- trapping instruction
  2e:	40 f6 c6 3f          	test   $0x3f,%sil
  32:	74 0b                	je     0x3f
  34:	4c 89 f7             	mov    %r14,%rdi
  37:	5b                   	pop    %rbx
  38:	41 5e                	pop    %r14
  3a:	e9 21 f2 bc f7       	jmp    0xf7bcf260
  3f:	48                   	rex.W