Oops: general protection fault, probably for non-canonical address 0xdffffc0020000032: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000100000190-0x0000000100000197]
CPU: 1 UID: 0 PID: 3966 Comm: syz-executor.3 Tainted: G        W           6.17.0-rc4-next-20250901 #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:ffff88806cf08480 EFLAGS: 00010012
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff888014a10000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88806cf086f0 R08: ffff88806cf313e8 R09: ffffe8ffffd16b60
R10: 0000000000000000 R11: ffff88806cf3aad0 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000
FS:  00007fb82854b700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6575817018 CR3: 00000000207ac000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 perf_trace_run_bpf_submit+0xef/0x180
 perf_trace_preemptirq_template+0x259/0x430
 trace_irq_enable.constprop.0+0xa6/0x100
 trace_hardirqs_on+0x26/0x40
 ___slab_alloc+0x185/0xf30
 __slab_alloc.constprop.0+0x1a/0x40
 __kmalloc_cache_noprof+0x486/0x690
 dst_cow_metrics_generic+0x4c/0x1e0
 icmp6_dst_alloc+0x4a7/0x650
 ndisc_send_skb+0x1296/0x1db0
 ndisc_send_rs+0x12d/0x540
 addrconf_rs_timer+0x2f8/0x7c0
 call_timer_fn+0x188/0x590
 __run_timers+0x6b7/0xab0
 run_timer_softirq+0x117/0x210
 handle_softirqs+0x1b1/0x770
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x70/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x5b/0x2f0
Code: 30 31 c0 66 90 65 8b 05 e7 a3 32 06 89 c0 48 0f a3 05 f9 d7 f1 04 0f 82 3a 01 00 00 8b 35 d1 e3 f1 04 85 f6 0f 85 84 00 00 00 <48> 8b 44 24 30 65 48 2b 05 90 a3 32 06 0f 85 6e 02 00 00 48 83 c4
RSP: 0018:ffff888047257b98 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff87aae120 RDI: 0000000000000000
RBP: ffff888014d126b0 R08: 0000000000000000 R09: 0000000000000030
R10: ffff888014a10a80 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000200
 _raw_spin_lock_nested+0x29/0x40
 __dentry_kill+0x2ad/0x5f0
 shrink_dentry_list+0x13d/0x650
 shrink_dcache_sb+0x194/0x360
 reconfigure_super+0x92d/0xba0
 path_umount+0xe0f/0x1100
 __x64_sys_umount+0x15c/0x190
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb82afd5b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb82854b188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007fb82b0e8f60 RCX: 00007fb82afd5b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fb82b02ff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7856dadf R14: 00007fb82854b300 R15: 0000000000022000
 </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:ffff88806cf08480 EFLAGS: 00010012
RAX: 0000000020000032 RBX: 00000000ffffffa0 RCX: 0000000000000002
RDX: ffff888014a10000 RSI: ffffffff8189a4e7 RDI: 0000000100000190
RBP: ffff88806cf086f0 R08: ffff88806cf313e8 R09: ffffe8ffffd16b60
R10: 0000000000000000 R11: ffff88806cf3aad0 R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88806cf313e8 R15: dffffc0000000000
FS:  00007fb82854b700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6575817018 CR3: 00000000207ac000 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