lo: entered promiscuous mode
lo: left promiscuous mode
lo: entered promiscuous mode
lo: left promiscuous mode
loop7: detected capacity change from 0 to 512
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002e: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177]
CPU: 0 UID: 0 PID: 4585 Comm: syz-executor.5 Not tainted 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary) 
loop6: detected capacity change from 0 to 16382
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_free+0x28a/0x5a0
Code: 02 00 00 4c 8b 65 28 4d 85 e4 74 43 e8 7f 56 30 00 49 8d bc 24 78 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 f7 02 00 00 49 8b 9c 24 78 01 00 00 bf 08 00 00
RSP: 0018:ffff888048bff9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc9000b646000
RDX: 000000000000002e RSI: ffffffff8144dd61 RDI: 0000000000000174
RBP: ffff88800974fd68 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664ed57 R11: 0000000000000001 R12: fffffffffffffffc
R13: ffff88800d20201c R14: ffff88801584a080 R15: ffff888018a92438
FS:  00007f4b71f89700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555583af9c58 CR3: 000000000b8ff000 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: 0033:0x7f4b74a34b19
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:00007f4b71f89188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f4b74b48020 RCX: 00007f4b74a34b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f4b74a8ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9e7c502f R14: 00007f4b71f89300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nsproxy_free+0x28a/0x5a0
Code: 02 00 00 4c 8b 65 28 4d 85 e4 74 43 e8 7f 56 30 00 49 8d bc 24 78 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 f7 02 00 00 49 8b 9c 24 78 01 00 00 bf 08 00 00
RSP: 0018:ffff888048bff9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc9000b646000
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
RDX: 000000000000002e RSI: ffffffff8144dd61 RDI: 0000000000000174
RBP: ffff88800974fd68 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664ed57 R11: 0000000000000001 R12: fffffffffffffffc
R13: ffff88800d20201c R14: ffff88801584a080 R15: ffff888018a92438
FS:  00007f4b71f89700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555583af9c58 CR3: 000000000b8ff000 CR4: 0000000000350ef0
UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
mac80211_hwsim hwsim8 wlan0: entered promiscuous mode
mac80211_hwsim hwsim8 wlan0: entered allmulticast mode
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
audit: type=1326 audit(1763145424.042:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4588 comm="syz-executor.1" exe="/syz-executor.1" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f4545490b19 code=0x0
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop6: detected capacity change from 0 to 16382
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
loop3: detected capacity change from 0 to 16382
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
----------------
Code disassembly (best guess):
   0:	02 00                	add    (%rax),%al
   2:	00 4c 8b 65          	add    %cl,0x65(%rbx,%rcx,4)
   6:	28 4d 85             	sub    %cl,-0x7b(%rbp)
   9:	e4 74                	in     $0x74,%al
   b:	43 e8 7f 56 30 00    	rex.XB callq 0x305690
  11:	49 8d bc 24 78 01 00 	lea    0x178(%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 f7 02 00 00    	jne    0x32b
  34:	49 8b 9c 24 78 01 00 	mov    0x178(%r12),%rbx
  3b:	00
  3c:	bf                   	.byte 0xbf
  3d:	08 00                	or     %al,(%rax)