Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 295 Comm: syz-executor.3 Not tainted 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:__cpa_flush_tlb+0x185/0x2a0
Code: b1 3c 00 49 8d 7c 24 40 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 d3 00 00 00 49 8b 44 24 40 48 8d 1c d8 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e4 00 00 00 48 c7 c0 50 22 84 85 48 8b 1b 48
RSP: 0018:ffff88806ce08f40 EFLAGS: 00010056
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8136ead1
RDX: ffff888019940000 RSI: ffffffff8136eade RDI: ffff888019b77ce0
RBP: 0000000000000004 R08: 0000000000000000 R09: fffffbfff0c8720a
R10: 0000000000000004 R11: ffff88806ce08ff8 R12: ffff888019b77ca0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000081a62b6d
FS:  000055557f95c400(0000) GS:ffff8880e55ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce34bcdc8 CR3: 000000003abc4000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 __flush_smp_call_function_queue+0x20d/0x740
 __sysvec_call_function_single+0x6d/0x360
 sysvec_call_function_single+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:finish_task_switch.isra.0+0x20f/0x840
Code: 4c 89 ff 48 c7 03 00 00 00 00 e8 3c bb 73 03 4d 85 e4 75 ba 4c 89 ff e8 9f a1 73 03 e8 1a d4 34 00 fb 65 48 8b 1d 79 1d 3c 06 <48> 8d bb f0 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffff8880173afac0 EFLAGS: 00000202
RAX: 00000000000d41b5 RBX: ffff888019940000 RCX: ffffffff817bc5c6
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8146f296
RBP: ffff8880173afb00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff86439057 R11: 0000000000000001 R12: ffff88806ce36f18
R13: ffff888061978000 R14: ffff88806ce36f00 R15: ffff88806ce36f00
 __schedule+0xe4e/0x3520
 schedule+0xdb/0x390
 do_nanosleep+0x15e/0x560
 hrtimer_nanosleep+0x13a/0x340
 common_nsleep+0xaa/0xd0
 __x64_sys_clock_nanosleep+0x331/0x470
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9426f2b8e1
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007fff1567db50 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00000000000000fe RCX: 00007f9426f2b8e1
RDX: 00007fff1567db90 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff1567dc1c R08: 0000000000000000 R09: 00007f9426ff6000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000a63f3 R14: 0000000000000000 R15: 00007fff1567dc80
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__cpa_flush_tlb+0x185/0x2a0
Code: b1 3c 00 49 8d 7c 24 40 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 d3 00 00 00 49 8b 44 24 40 48 8d 1c d8 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e4 00 00 00 48 c7 c0 50 22 84 85 48 8b 1b 48
RSP: 0018:ffff88806ce08f40 EFLAGS: 00010056
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8136ead1
RDX: ffff888019940000 RSI: ffffffff8136eade RDI: ffff888019b77ce0
RBP: 0000000000000004 R08: 0000000000000000 R09: fffffbfff0c8720a
R10: 0000000000000004 R11: ffff88806ce08ff8 R12: ffff888019b77ca0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000081a62b6d
FS:  000055557f95c400(0000) GS:ffff8880e55ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffce34bcdc8 CR3: 000000003abc4000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	b1 3c                	mov    $0x3c,%cl
   2:	00 49 8d             	add    %cl,-0x73(%rcx)
   5:	7c 24                	jl     0x2b
   7:	40                   	rex
   8:	48 89 f8             	mov    %rdi,%rax
   b:	48 c1 e8 03          	shr    $0x3,%rax
   f:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  14:	0f 85 d3 00 00 00    	jne    0xed
  1a:	49 8b 44 24 40       	mov    0x40(%r12),%rax
  1f:	48 8d 1c d8          	lea    (%rax,%rbx,8),%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	0f 85 e4 00 00 00    	jne    0x119
  35:	48 c7 c0 50 22 84 85 	mov    $0xffffffff85842250,%rax
  3c:	48 8b 1b             	mov    (%rbx),%rbx
  3f:	48                   	rex.W