------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at __ns_ref_active_get include/linux/ns_common.h:288 [inline], CPU#1: syz.2.2540/14534
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x8c7/0xcb0 fs/nsfs.c:691, CPU#1: syz.2.2540/14534
Modules linked in:
CPU: 1 UID: 0 PID: 14534 Comm: syz.2.2540 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+0x8c7/0xcb0 fs/nsfs.c:691
Code: 0f 0b 90 e9 12 f8 ff ff e8 66 60 77 ff 90 0f 0b 90 e9 dc f8 ff ff e8 58 60 77 ff 90 0f 0b 90 e9 03 f9 ff ff e8 4a 60 77 ff 90 <0f> 0b 90 e9 cd f9 ff ff e8 3c 60 77 ff 90 0f 0b 90 e9 f4 f9 ff ff
RSP: 0018:ffffc9000b1e7d40 EFLAGS: 00010283
RAX: ffffffff824a0d76 RBX: ffff888056d47bc8 RCX: 0000000000080000
RDX: ffffc9001a9b2000 RSI: 0000000000000937 RDI: 0000000000000938
RBP: 00000000f0000701 R08: ffff88801fb64a23 R09: 1ffff11003f6c944
R10: dffffc0000000000 R11: ffffed1003f6c945 R12: dffffc0000000000
R13: 1ffff1100be53147 R14: ffff88801fb64a20 R15: ffff88801fb64000
FS:  00007f10f95f66c0(0000) GS:ffff888125b8b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f10f95d5d58 CR3: 0000000037548000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000010000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 switch_task_namespaces+0x3e/0x110 kernel/nsproxy.c:240
 commit_nsset kernel/nsproxy.c:555 [inline]
 __do_sys_setns kernel/nsproxy.c:591 [inline]
 __se_sys_setns+0x784/0x17d0 kernel/nsproxy.c:559
 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: 0033:0x7f10fb390ef7
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 34 01 00 00 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:00007f10f95f5fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f10fb390ef7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000c9
RBP: 00007f10fb411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f10fb5e6038 R14: 00007f10fb5e5fa0 R15: 00007ffeda892458
 </TASK>