------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.5/78583
Modules linked in:
CPU: 1 UID: 0 PID: 78583 Comm: syz-executor.5 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+0x33f/0x3d0
Code: 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 e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff888016bd7e08 EFLAGS: 00010216
RAX: 0000000000000db5 RBX: ffff888028d00bc8 RCX: ffffc9000a6dd000
RDX: 0000000000040000 RSI: ffffffff81c89d0e RDI: 0000000000000001
RBP: ffff888047bba001 R08: 0000000000000001 R09: ffffed1008f77541
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800e5e21c0
R13: 0000000000000000 R14: ffff888009ce1bc0 R15: ffff888016bd7e98
FS:  00007f4cb0d11700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f722000 CR3: 000000000ce10000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x3f0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4cb379d107
Code: 73 01 c3 48 c7 c1 bc 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4cb0d11128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f4cb38aef60 RCX: 00007f4cb379d107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8e81cc4f R14: 00007f4cb0d11300 R15: 0000000000022000
 </TASK>
irq event stamp: 731
hardirqs last  enabled at (741): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (752): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (670): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (663): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#1: syz-executor.5/78583
Modules linked in:
CPU: 1 UID: 0 PID: 78583 Comm: syz-executor.5 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+0x35b/0x3d0
Code: 0f 0b 90 e9 92 fd ff ff e8 12 e2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 f6 e1 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 e8 e1 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff888016bd7e08 EFLAGS: 00010212
RAX: 000000000001c5e4 RBX: ffff888028d00bc8 RCX: ffffc9000a6dd000
RDX: 0000000000040000 RSI: ffffffff81c89d2a RDI: 0000000000000001
RBP: ffff88801cce1601 R08: 0000000000000001 R09: ffffed100399c2d7
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800e5e21c0
R13: 0000000000000000 R14: ffff888009ce1bc0 R15: ffff888016bd7e98
FS:  00007f4cb0d11700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f722000 CR3: 000000000ce10000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x3f0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4cb379d107
Code: 73 01 c3 48 c7 c1 bc 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4cb0d11128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f4cb38aef60 RCX: 00007f4cb379d107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8e81cc4f R14: 00007f4cb0d11300 R15: 0000000000022000
 </TASK>
irq event stamp: 1177
hardirqs last  enabled at (1187): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1196): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (946): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (939): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x369/0x3d0, CPU#1: syz-executor.5/78583
Modules linked in:
CPU: 1 UID: 0 PID: 78583 Comm: syz-executor.5 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+0x369/0x3d0
Code: 0f 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 f6 e1 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 e8 e1 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 da e1 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff888016bd7e08 EFLAGS: 00010212
RAX: 000000000003f514 RBX: ffff888028d00c30 RCX: ffffc9000a6dd000
RDX: 0000000000040000 RSI: ffffffff81c89d38 RDI: 0000000000000001
RBP: ffff888026d5e101 R08: 0000000000000001 R09: ffffed1004dabc62
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801cd48380
R13: 0000000000000000 R14: ffff888009ce1bc0 R15: ffff888016bd7e98
FS:  00007f4cb0d11700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f722000 CR3: 000000000ce10000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x3f0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4cb379d107
Code: 73 01 c3 48 c7 c1 bc 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4cb0d11128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4cb379d107
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4cb0d116bc
R13: 000000000000000e R14: 00007f4cb0d11300 R15: 0000000000022000
 </TASK>
irq event stamp: 2859
hardirqs last  enabled at (2869): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (2878): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (2782): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (2775): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
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