Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:____rb_erase_color lib/rbtree.c:354 [inline]
RIP: 0010:rb_erase+0x61f/0xe70 lib/rbtree.c:445
Code: 00 49 8d 5f 10 48 89 d8 48 c1 e8 03 48 89 44 24 18 42 80 3c 28 00 74 08 48 89 df e8 1b c8 44 f6 4c 8b 23 4d 89 e6 49 c1 ee 03 <43> 80 3c 2e 00 74 08 4c 89 e7 e8 02 c8 44 f6 41 f6 04 24 01 48 89
RSP: 0018:ffffc90000a18620 EFLAGS: 00010046
RAX: 1ffff110044e305a RBX: ffff8880227182d0 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffff8880b903f860 RDI: ffff8880236202c8
RBP: ffff8880227182c8 R08: ffff888023620437 R09: 1ffff110046c4086
R10: dffffc0000000000 R11: ffffed10046c4087 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880227182c0
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7e51c6e000 CR3: 0000000011de0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 sched_core_dequeue kernel/sched/core.c:283 [inline]
 dequeue_task+0x34d/0x550 kernel/sched/core.c:2031
 detach_task kernel/sched/fair.c:9368 [inline]
 detach_tasks kernel/sched/fair.c:9504 [inline]
 sched_balance_rq+0x5d5b/0x8590 kernel/sched/fair.c:11648
 sched_balance_domains+0x565/0xa90 kernel/sched/fair.c:12069
 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5185
Code: c9 50 e8 69 f7 0b 00 48 83 c4 08 4c 89 f7 e8 7d 38 00 00 e9 de 04 00 00 4c 89 f7 e8 b0 e5 64 0a e8 cb 9f 37 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc900001a7b68 EFLAGS: 00000286
RAX: 3b9471d95a2a1400 RBX: ffff888017ec0000 RCX: ffffffff94f95903
RDX: dffffc0000000000 RSI: ffffffff8c0ace40 RDI: ffffffff8c609f20
RBP: ffffc900001a7bb0 R08: ffffffff901c12ef R09: 1ffffffff203825d
R10: dffffc0000000000 R11: fffffbfff203825e R12: 1ffff11017227f0b
R13: dffffc0000000000 R14: ffff8880b903ea40 R15: ffff8880b913f858
 context_switch kernel/sched/core.c:5314 [inline]
 __schedule+0x1852/0x4b30 kernel/sched/core.c:6677
 schedule_idle+0x53/0x90 kernel/sched/core.c:6795
 do_idle+0x56a/0x5d0 kernel/sched/idle.c:354
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:424
 start_secondary+0x102/0x110 arch/x86/kernel/smpboot.c:313
 common_startup_64+0x13e/0x147
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:____rb_erase_color lib/rbtree.c:354 [inline]
RIP: 0010:rb_erase+0x61f/0xe70 lib/rbtree.c:445
Code: 00 49 8d 5f 10 48 89 d8 48 c1 e8 03 48 89 44 24 18 42 80 3c 28 00 74 08 48 89 df e8 1b c8 44 f6 4c 8b 23 4d 89 e6 49 c1 ee 03 <43> 80 3c 2e 00 74 08 4c 89 e7 e8 02 c8 44 f6 41 f6 04 24 01 48 89
RSP: 0018:ffffc90000a18620 EFLAGS: 00010046
RAX: 1ffff110044e305a RBX: ffff8880227182d0 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: ffff8880b903f860 RDI: ffff8880236202c8
RBP: ffff8880227182c8 R08: ffff888023620437 R09: 1ffff110046c4086
R10: dffffc0000000000 R11: ffffed10046c4087 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880227182c0
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7e51c6e000 CR3: 0000000011de0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 49 8d             	add    %cl,-0x73(%rcx)
   3:	5f                   	pop    %rdi
   4:	10 48 89             	adc    %cl,-0x77(%rax)
   7:	d8 48 c1             	fmuls  -0x3f(%rax)
   a:	e8 03 48 89 44       	call   0x44894812
   f:	24 18                	and    $0x18,%al
  11:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  16:	74 08                	je     0x20
  18:	48 89 df             	mov    %rbx,%rdi
  1b:	e8 1b c8 44 f6       	call   0xf644c83b
  20:	4c 8b 23             	mov    (%rbx),%r12
  23:	4d 89 e6             	mov    %r12,%r14
  26:	49 c1 ee 03          	shr    $0x3,%r14
* 2a:	43 80 3c 2e 00       	cmpb   $0x0,(%r14,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 e7             	mov    %r12,%rdi
  34:	e8 02 c8 44 f6       	call   0xf644c83b
  39:	41 f6 04 24 01       	testb  $0x1,(%r12)
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89