------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.3/8371
Modules linked in:
CPU: 0 UID: 0 PID: 8371 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+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:ffff888050aa7e08 EFLAGS: 00010216
RAX: 0000000000000d1c RBX: ffff88804f5b0270 RCX: ffffc900084cc000
RDX: 0000000000040000 RSI: ffffffff81c89d0e RDI: 0000000000000001
RBP: ffff88801ee98001 R08: 0000000000000001 R09: ffffed1003dd3141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016da76c0
R13: 0000000000000000 R14: ffff88804ee25340 R15: ffff888050aa7e98
FS:  00007f2ae3cca700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ae6868018 CR3: 0000000016375000 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: 0033:0x7f2ae6756107
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:00007f2ae3cca128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f2ae6867f60 RCX: 00007f2ae6756107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff42b2aabf R14: 00007f2ae3cca300 R15: 0000000000022000
 </TASK>
irq event stamp: 759
hardirqs last  enabled at (769): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (776): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (492): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (479): [<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#0: syz-executor.3/8371
Modules linked in:
CPU: 0 UID: 0 PID: 8371 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+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:ffff888050aa7e08 EFLAGS: 00010212
RAX: 000000000001bcae RBX: ffff88804f5b0270 RCX: ffffc900084cc000
RDX: 0000000000040000 RSI: ffffffff81c89d2a RDI: 0000000000000001
RBP: ffff88801034c601 R08: 0000000000000001 R09: ffffed10020698d7
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016da76c0
R13: 0000000000000000 R14: ffff88804ee25340 R15: ffff888050aa7e98
FS:  00007f2ae3cca700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ae6868018 CR3: 0000000016375000 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: 0033:0x7f2ae6756107
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:00007f2ae3cca128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f2ae6867f60 RCX: 00007f2ae6756107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff42b2aabf R14: 00007f2ae3cca300 R15: 0000000000022000
 </TASK>
irq event stamp: 1183
hardirqs last  enabled at (1191): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1200): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (492): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (479): [<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#0: syz-executor.3/8407
Modules linked in:
CPU: 0 UID: 0 PID: 8407 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+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:ffff88804e097e08 EFLAGS: 00010212
RAX: 000000000000776e RBX: ffff88804f5b02d8 RCX: ffffc90008ed1000
RDX: 0000000000040000 RSI: ffffffff81c89d38 RDI: 0000000000000001
RBP: ffff888013d74801 R08: 0000000000000001 R09: ffffed10027ae95a
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800ebfa540
R13: 0000000000000000 R14: ffff888050791bc0 R15: ffff88804e097e98
FS:  00007f2ae3ca9700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a0bd08000 CR3: 0000000016375000 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: 0033:0x7f2ae6756107
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:00007f2ae3ca9128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2ae6756107
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ae3ca96bc
R13: 000000000000000e R14: 00007f2ae3ca9300 R15: 0000000000022000
 </TASK>
irq event stamp: 1049
hardirqs last  enabled at (1059): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1066): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (840): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (673): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---