RBP: 00007f6335e621d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc63e7c28f R14: 00007f6335e62300 R15: 0000000000022000
 </TASK>
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000035: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000001a8-0x00000000000001af]
CPU: 1 UID: 0 PID: 38930 Comm: syz-executor.0 Not tainted 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_free+0x7c/0x5a0
Code: 04 00 00 4c 8b 65 08 4d 85 e4 74 47 e8 8d 58 30 00 49 8d bc 24 b8 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 fb 04 00 00 49 8b 9c 24 b8 01 00 00 bf 08 00 00
RSP: 0018:ffff88804ec0f9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: ffff888017050000 RCX: ffffc900029fa000
RDX: 0000000000000035 RSI: ffffffff8144db53 RDI: 00000000000001ac
RBP: ffff88801a1b3dd0 R08: 0000000000000001 R09: ffffed1003474083
R10: 000000000000000a R11: 0000000000000001 R12: fffffffffffffff4
R13: 000000020c001380 R14: ffffffff85cfdf20 R15: ffff888017050878
FS:  00007f6335e62700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200014c0 CR3: 000000001be94000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 create_new_namespaces+0x585/0x750
 copy_namespaces+0x45c/0x580
 copy_process+0x26e4/0x72a0
 kernel_clone+0xea/0x7f0
 __do_sys_clone3+0x1f5/0x280
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f63388ecb19
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:00007f6335e62188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f63389fff60 RCX: 00007f63388ecb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200014c0
RBP: 00007f6335e621d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc63e7c28f R14: 00007f6335e62300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nsproxy_free+0x7c/0x5a0
Code: 04 00 00 4c 8b 65 08 4d 85 e4 74 47 e8 8d 58 30 00 49 8d bc 24 b8 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 fb 04 00 00 49 8b 9c 24 b8 01 00 00 bf 08 00 00
RSP: 0018:ffff88804ec0f9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: ffff888017050000 RCX: ffffc900029fa000
RDX: 0000000000000035 RSI: ffffffff8144db53 RDI: 00000000000001ac
RBP: ffff88801a1b3dd0 R08: 0000000000000001 R09: ffffed1003474083
R10: 000000000000000a R11: 0000000000000001 R12: fffffffffffffff4
R13: 000000020c001380 R14: ffffffff85cfdf20 R15: ffff888017050878
FS:  00007f6335e62700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200014c0 CR3: 000000001be94000 CR4: 0000000000350ef0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 39014 Comm: syz-executor.4 Tainted: G      D             6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 should_fail_ex+0x4d7/0x5e0
 should_failslab+0xc2/0x120
 kmem_cache_alloc_noprof+0x80/0x690
 create_new_namespaces+0x30/0x750
 copy_namespaces+0x45c/0x580
 copy_process+0x26e4/0x72a0
 kernel_clone+0xea/0x7f0
 __do_sys_clone3+0x1f5/0x280
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa20b130b19
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:00007fa2086a6188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fa20b243f60 RCX: 00007fa20b130b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200014c0
RBP: 00007fa2086a61d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff5b38711f R14: 00007fa2086a6300 R15: 0000000000022000
 </TASK>
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
----------------
Code disassembly (best guess):
   0:	04 00                	add    $0x0,%al
   2:	00 4c 8b 65          	add    %cl,0x65(%rbx,%rcx,4)
   6:	08 4d 85             	or     %cl,-0x7b(%rbp)
   9:	e4 74                	in     $0x74,%al
   b:	47 e8 8d 58 30 00    	rex.RXB callq 0x30589e
  11:	49 8d bc 24 b8 01 00 	lea    0x1b8(%r12),%rdi
  18:	00
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 fb 04 00 00    	jne    0x52f
  34:	49 8b 9c 24 b8 01 00 	mov    0x1b8(%r12),%rbx
  3b:	00
  3c:	bf                   	.byte 0xbf
  3d:	08 00                	or     %al,(%rax)