------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.3/9552
Modules linked in:
CPU: 1 UID: 0 PID: 9552 Comm: syz-executor.3 Not tainted 6.18.0-rc4-next-20251103 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_ns_active_get+0x323/0x3d0
Code: 00 01 0f 98 c3 31 ff 89 de e8 19 dd ab ff 84 db 75 07 5b 5d e9 3e e2 ab ff e8 39 e2 ab ff 90 0f 0b 90 eb ee e8 2e e2 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 20 e2 ab ff 90 0f 0b 90 e9 92 fd ff ff
RSP: 0018:ffff88804df77a50 EFLAGS: 00010216
RAX: 000000000002e985 RBX: ffff88801018e6e8 RCX: ffffc90005447000
RDX: 0000000000040000 RSI: ffffffff81c89cf2 RDI: 0000000000000001
RBP: ffff88801a62f001 R08: 0000000000000001 R09: ffffed10034c5e17
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801018e6e8
R13: 0000000000000100 R14: ffff88800a050878 R15: ffff88800c2e9860
FS:  00007f3c454dc700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005880 CR3: 00000000161ae000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 copy_namespaces+0x4a3/0x580
 copy_process+0x26e4/0x7420
 kernel_clone+0xea/0x7f0
 __do_sys_clone3+0x1f5/0x280
 do_syscall_64+0xbf/0x3f0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c47f66b19
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:00007f3c454dc188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f3c48079f60 RCX: 00007f3c47f66b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f3c47fc0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce5327c6f R14: 00007f3c454dc300 R15: 0000000000022000
 </TASK>
irq event stamp: 8655
hardirqs last  enabled at (8665): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (8672): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (8554): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (8291): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x331/0x3d0, CPU#1: syz-executor.3/9552
Modules linked in:
CPU: 1 UID: 0 PID: 9552 Comm: syz-executor.3 Tainted: G        W           6.18.0-rc4-next-20251103 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_ns_active_get+0x331/0x3d0
Code: 84 db 75 07 5b 5d e9 3e e2 ab ff e8 39 e2 ab ff 90 0f 0b 90 eb ee e8 2e e2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 20 e2 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 12 e2 ab ff 90 0f 0b 90 e9 e5 fd ff ff
RSP: 0018:ffff88804df77a50 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801018e6e8 RCX: ffffc90005447000
RDX: 0000000000040000 RSI: ffffffff81c89d00 RDI: 0000000000000001
RBP: ffff888018b68801 R08: 0000000000000001 R09: ffffed100316d15b
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801018e6e8
R13: 0000000000000100 R14: ffff88800a050878 R15: ffff88800c2e9860
FS:  00007f3c454dc700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020005880 CR3: 00000000161ae000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 copy_namespaces+0x4a3/0x580
 copy_process+0x26e4/0x7420
 kernel_clone+0xea/0x7f0
 __do_sys_clone3+0x1f5/0x280
 do_syscall_64+0xbf/0x3f0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c47f66b19
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:00007f3c454dc188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f3c48079f60 RCX: 00007f3c47f66b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f3c47fc0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffce5327c6f R14: 00007f3c454dc300 R15: 0000000000022000
 </TASK>
irq event stamp: 9283
hardirqs last  enabled at (9293): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (9302): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (9224): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (9197): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
Bluetooth: hci0: Opcode 0x0c03 failed: -4
Bluetooth: hci0: Opcode 0x0c03 failed: -4