------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at __ns_ref_active_get include/linux/ns_common.h:288 [inline], CPU#1: syz.1.1304/13176
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x8ff/0xcb0 fs/nsfs.c:693, CPU#1: syz.1.1304/13176
Modules linked in:
CPU: 1 UID: 0 PID: 13176 Comm: syz.1.1304 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ns_ref_active_get include/linux/ns_common.h:288 [inline]
RIP: 0010:nsproxy_ns_active_get+0x8ff/0xcb0 fs/nsfs.c:693
Code: 0f 0b 90 e9 f4 f9 ff ff e8 1e 41 77 ff 90 0f 0b 90 e9 be fa ff ff e8 10 41 77 ff 90 0f 0b 90 e9 e5 fa ff ff e8 02 41 77 ff 90 <0f> 0b 90 e9 af fb ff ff e8 f4 40 77 ff 90 0f 0b 90 e9 d3 fb ff ff
RSP: 0018:ffffc9000eb8f9e0 EFLAGS: 00010287
RAX: ffffffff824a1c0e RBX: ffff888066cf8548 RCX: 0000000000080000
RDX: ffffc90004a22000 RSI: 0000000000043341 RDI: 0000000000043342
RBP: 00000000f0000801 R08: ffff8880778efcbb R09: 1ffff1100ef1df97
R10: dffffc0000000000 R11: ffffed100ef1df98 R12: dffffc0000000000
R13: 1ffff1100fa9bb1f R14: ffff8880778efcb8 R15: ffff8880778efc00
FS:  00007f142e06d6c0(0000) GS:ffff888125b83000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2a1203 CR3: 0000000076648000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 copy_namespaces+0x48c/0x4b0 kernel/nsproxy.c:183
 copy_process+0x168f/0x3930 kernel/fork.c:2183
 kernel_clone+0x21e/0x840 kernel/fork.c:2609
 __do_sys_clone kernel/fork.c:2750 [inline]
 __se_sys_clone kernel/fork.c:2734 [inline]
 __x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2734
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f142d18f6c9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f142e06cfe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f142d3e5fa0 RCX: 00007f142d18f6c9
RDX: 0000000000000000 RSI: 00000000000005f0 RDI: 000000002c9a4080
RBP: 00007f142d211f91 R08: ffffffffff600000 R09: ffffffffff600000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007f142d3e6038 R14: 00007f142d3e5fa0 R15: 00007ffebfad7c08
 </TASK>