------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x331/0x3d0, CPU#0: syz-executor.4/6736
Modules linked in:
CPU: 0 UID: 0 PID: 6736 Comm: syz-executor.4 Not tainted 6.18.0-rc4-next-20251104 #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+0x331/0x3d0
Code: 84 db 75 07 5b 5d e9 1e dd ab ff e8 19 dd ab ff 90 0f 0b 90 eb ee e8 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 0f 0b 90 e9 e5 fd ff ff
RSP: 0018:ffff88800d1f7a50 EFLAGS: 00010212
RAX: 000000000002daf3 RBX: ffff8880097c0410 RCX: ffffc9000c845000
RDX: 0000000000040000 RSI: ffffffff81c8ab70 RDI: 0000000000000001
RBP: ffff888019f38e01 R08: 0000000000000001 R09: ffffed10033e7211
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880097c0410
R13: 0000000000000100 R14: ffff8880176f0878 R15: ffff888019cb70c0
FS:  00007f5a751ec700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558d402c58 CR3: 000000000e2ac000 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: 0033:0x7f5a77c76b19
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:00007f5a751ec188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f5a77d89f60 RCX: 00007f5a77c76b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200001c0
RBP: 00007f5a77cd0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc9f0ebd3f R14: 00007f5a751ec300 R15: 0000000000022000
 </TASK>
irq event stamp: 8525
hardirqs last  enabled at (8533): [<ffffffff81547428>] __up_console_sem+0x78/0x80
hardirqs last disabled at (8542): [<ffffffff8154740d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (8486): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (8481): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.4/6736
Modules linked in:
CPU: 0 UID: 0 PID: 6736 Comm: syz-executor.4 Tainted: G        W           6.18.0-rc4-next-20251104 #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+0x33f/0x3d0
Code: ab ff 90 0f 0b 90 eb ee e8 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff88800d1f7a50 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880097c0410 RCX: ffffc9000c845000
RDX: 0000000000040000 RSI: ffffffff81c8ab7e RDI: 0000000000000001
RBP: ffff88800a45e001 R08: 0000000000000001 R09: ffffed100148bd41
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880097c0410
R13: 0000000000000100 R14: ffff8880176f0878 R15: ffff888019cb70c0
FS:  00007f5a751ec700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558d402c58 CR3: 000000000e2ac000 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: 0033:0x7f5a77c76b19
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:00007f5a751ec188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f5a77d89f60 RCX: 00007f5a77c76b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200001c0
RBP: 00007f5a77cd0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc9f0ebd3f R14: 00007f5a751ec300 R15: 0000000000022000
 </TASK>
irq event stamp: 9027
hardirqs last  enabled at (9037): [<ffffffff81547428>] __up_console_sem+0x78/0x80
hardirqs last disabled at (9044): [<ffffffff8154740d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (8486): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (8481): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---