Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:llc_conn_state_process+0xc5d/0x12e0
Code: 0f 94 c0 4c 8b 75 00 44 8d 64 00 01 b8 01 00 00 00 bd 07 00 00 00 0f 44 e8 4c 89 f0 48 c1 e8 03 48 ba 00 00 00 00 00 fc ff df <0f> b6 04 10 84 c0 0f 85 c1 05 00 00 45 89 26 0f b6 04 13 84 c0 0f
RSP: 0018:ffffc90000007ac8 EFLAGS: 00010256
RAX: 0000000000000000 RBX: 1ffff11008b74602 RCX: ffffffff8e896580
RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffffffff89e91291 R09: ffffffff89e91078
R10: 0000000000000005 R11: ffffffff8e896580 R12: 0000000000000001
R13: ffff888045ba3000 R14: 0000000000000000 R15: ffff888045ba3012
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000253000 CR3: 000000007b694000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 llc_process_tmr_ev net/llc/llc_c_ac.c:1445 [inline]
 llc_conn_tmr_common_cb+0x34c/0x850 net/llc/llc_c_ac.c:1331
 call_timer_fn+0x189/0x650 kernel/time/timer.c:1789
 expire_timers kernel/time/timer.c:1840 [inline]
 __run_timers kernel/time/timer.c:2414 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2426
 run_timer_base kernel/time/timer.c:2435 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2445
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 80 d6 03 00 48 f7 00 08 00 00 00 75 10 eb 07 0f 00 2d 85 0d 82 00 f3 0f 1e fa fb f4 <fa> e9 a4 cc 07 f5 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90
RSP: 0018:ffffffff8e807ca8 EFLAGS: 00000246
RAX: ffffffff8e896580 RBX: ffff888020aa3864 RCX: 000000000024e251
RDX: 0000000000000001 RSI: ffff888020aa3800 RDI: ffff888020aa3864
RBP: 000000000003aab8 R08: ffff8880b863799b R09: 1ffff110170c6f33
R10: dffffc0000000000 R11: ffffffff8c087010 R12: ffff88801f71e800
R13: 0000000000000001 R14: 0000000000000001 R15: ffffffff8f337620
 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:699
 cpuidle_enter_state+0x10b/0x470 drivers/cpuidle/cpuidle.c:268
 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:389
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:230 [inline]
 do_idle+0x372/0x5c0 kernel/sched/idle.c:325
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423
 rest_init+0x2dc/0x300 init/main.c:743
 start_kernel+0x484/0x510 init/main.c:1099
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:515
 x86_64_start_kernel+0x66/0x70 arch/x86/kernel/head64.c:496
 common_startup_64+0x13e/0x147
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:llc_conn_state_process+0xc5d/0x12e0
Code: 0f 94 c0 4c 8b 75 00 44 8d 64 00 01 b8 01 00 00 00 bd 07 00 00 00 0f 44 e8 4c 89 f0 48 c1 e8 03 48 ba 00 00 00 00 00 fc ff df <0f> b6 04 10 84 c0 0f 85 c1 05 00 00 45 89 26 0f b6 04 13 84 c0 0f
RSP: 0018:ffffc90000007ac8 EFLAGS: 00010256
RAX: 0000000000000000 RBX: 1ffff11008b74602 RCX: ffffffff8e896580
RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000007 R08: ffffffff89e91291 R09: ffffffff89e91078
R10: 0000000000000005 R11: ffffffff8e896580 R12: 0000000000000001
R13: ffff888045ba3000 R14: 0000000000000000 R15: ffff888045ba3012
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000253000 CR3: 000000007b694000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	0f 94 c0             	sete   %al
   3:	4c 8b 75 00          	mov    0x0(%rbp),%r14
   7:	44 8d 64 00 01       	lea    0x1(%rax,%rax,1),%r12d
   c:	b8 01 00 00 00       	mov    $0x1,%eax
  11:	bd 07 00 00 00       	mov    $0x7,%ebp
  16:	0f 44 e8             	cmove  %eax,%ebp
  19:	4c 89 f0             	mov    %r14,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  27:	fc ff df
* 2a:	0f b6 04 10          	movzbl (%rax,%rdx,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 c1 05 00 00    	jne    0x5f7
  36:	45 89 26             	mov    %r12d,(%r14)
  39:	0f b6 04 13          	movzbl (%rbx,%rdx,1),%eax
  3d:	84 c0                	test   %al,%al
  3f:	0f                   	.byte 0xf