Oops: general protection fault, probably for non-canonical address 0xdffffc0000000032: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000190-0x0000000000000197]
CPU: 0 UID: 0 PID: 261 Comm: syz-fuzzer Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88806ce08a40 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888017869b80 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88806ce08cb0 R08: ffff88806ce31490 R09: ffffe8ffffc09be0
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31490 R15: dffffc0000000000
FS:  000000c000030e90(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4b5acff8 CR3: 0000000009bc4000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_lock_acquire+0x3c2/0x700
 lock_acquire+0xc5/0x2f0
 _raw_spin_lock_nested+0x29/0x40
 sched_ttwu_pending+0xa1/0x4a0
 __flush_smp_call_function_queue+0x434/0x740
 __sysvec_call_function_single+0x6d/0x370
 sysvec_call_function_single+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:cmp_ex_search+0x57/0xb0
Code: 48 8b 6d 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 43 48 63 33 <48> 89 ef 41 bc 01 00 00 00 48 01 f3 48 89 de e8 55 9c c1 fc 48 39
RSP: 0018:ffff88801724f348 EFLAGS: 00000246
RAX: 0000000000000007 RBX: ffffffff85902264 RCX: ffffffff824fb283
RDX: 0000000000000000 RSI: fffffffffbff467e RDI: ffff88801724f3d0
RBP: ffffffff818995c5 R08: ffffffff84b24560 R09: 0000000000000001
R10: 00000000000000ad R11: 0000000000000000 R12: ffffffff85902264
R13: 0000000000000001 R14: ffffffff85901e5c R15: ffff88801724f3d0
 bsearch+0x5e/0xc0
 search_extable+0x82/0xb0
 search_exception_tables+0x37/0x50
 fixup_exception+0x51/0xc00
 gp_try_fixup_and_notify.constprop.0+0x26/0x1a0
 exc_general_protection+0x134/0x330
 asm_exc_general_protection+0x26/0x30
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88801724f600 EFLAGS: 00010212
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888017869b80 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88801724f870 R08: ffff88806ce31340 R09: ffffe8ffffc09be0
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31340 R15: dffffc0000000000
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_lock_acquire+0x3c2/0x700
 lock_acquire+0xc5/0x2f0
 _raw_spin_lock+0x2b/0x40
 futex_wait_setup+0xbe/0x550
 __futex_wait+0x151/0x300
 futex_wait+0xde/0x380
 do_futex+0x2ee/0x370
 __x64_sys_futex+0x1c9/0x4d0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x466533
Code: 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10
RSP: 002b:000000c0000b7d98 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000c000030e00 RCX: 0000000000466533
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000030f48
RBP: 000000c0000b7de0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000003
R13: 000000c0000ac900 R14: 0000000000000004 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88806ce08a40 EFLAGS: 00010012
RAX: 0000000000000032 RBX: ffffffffffffffa1 RCX: 0000000000000002
RDX: ffff888017869b80 RSI: ffffffff818995b7 RDI: 0000000000000191
RBP: ffff88806ce08cb0 R08: ffff88806ce31490 R09: ffffe8ffffc09be0
R10: 0000000000000000 R11: 0000000000000024 R12: dffffc0000000000
R13: 0000000000000024 R14: ffff88806ce31490 R15: dffffc0000000000
FS:  000000c000030e90(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4b5acff8 CR3: 0000000009bc4000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	85 a8 fd ff ff 48    	test   %ebp,0x48fffffd(%rax)
   9:	c1 e8 03             	shr    $0x3,%eax
   c:	4c 01 e0             	add    %r12,%rax
   f:	48 89 85 c8 fd ff ff 	mov    %rax,-0x238(%rbp)
  16:	e8 c9 51 ea ff       	callq  0xffea51e4
  1b:	48 8d bb f0 01 00 00 	lea    0x1f0(%rbx),%rdi
  22:	48 89 f8             	mov    %rdi,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e c5 0b 00 00    	jle    0xbff
  3a:	44                   	rex.R
  3b:	8b                   	.byte 0x8b
  3c:	ab                   	stos   %eax,%es:(%rdi)
  3d:	f0                   	lock
  3e:	01                   	.byte 0x1