------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.0/4893
Modules linked in:
CPU: 1 UID: 0 PID: 4893 Comm: syz-executor.0 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+0x323/0x3d0
Code: 00 01 0f 98 c3 31 ff 89 de e8 19 dd ab ff 84 db 75 07 5b 5d e9 3e e2 ab ff e8 39 e2 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
RSP: 0018:ffff88804a097e08 EFLAGS: 00010202
RAX: 0000000000000d30 RBX: ffff8880097c0478 RCX: ffffc90001df8000
RDX: 0000000000040000 RSI: ffffffff81c89cf2 RDI: 0000000000000001
RBP: ffff888018c59801 R08: 0000000000000001 R09: ffffed100318b317
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880172e9500
R13: 0000000000000000 R14: ffff8880172a9bc0 R15: ffff88804a097e98
FS:  00007f498aafb700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000c9f5000 CR4: 0000000000350ef0
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: 0033:0x7f498d587107
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:00007f498aafb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f498d698f60 RCX: 00007f498d587107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffedbc9d1ef R14: 00007f498aafb300 R15: 0000000000022000
 </TASK>
irq event stamp: 1769
hardirqs last  enabled at (1779): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1788): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1636): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1631): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x331/0x3d0, CPU#1: syz-executor.0/4893
Modules linked in:
CPU: 1 UID: 0 PID: 4893 Comm: syz-executor.0 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+0x331/0x3d0
Code: 84 db 75 07 5b 5d e9 3e e2 ab ff e8 39 e2 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
RSP: 0018:ffff88804a097e08 EFLAGS: 00010216
RAX: 000000000001b27c RBX: ffff8880097c0478 RCX: ffffc90001df8000
RDX: 0000000000040000 RSI: ffffffff81c89d00 RDI: 0000000000000001
RBP: ffff88801f1e4001 R08: 0000000000000001 R09: ffffed1003e3c84a
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880172e9500
R13: 0000000000000000 R14: ffff8880172a9bc0 R15: ffff88804a097e98
FS:  00007f498aafb700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000c9f5000 CR4: 0000000000350ef0
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: 0033:0x7f498d587107
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:00007f498aafb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f498d698f60 RCX: 00007f498d587107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffedbc9d1ef R14: 00007f498aafb300 R15: 0000000000022000
 </TASK>
irq event stamp: 2169
hardirqs last  enabled at (2179): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (2186): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1636): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1631): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.0/4893
Modules linked in:
CPU: 1 UID: 0 PID: 4893 Comm: syz-executor.0 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+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:ffff88804a097e08 EFLAGS: 00010216
RAX: 0000000000035f13 RBX: ffff8880097c0478 RCX: ffffc90001df8000
RDX: 0000000000040000 RSI: ffffffff81c89d0e RDI: 0000000000000001
RBP: ffff8880171da001 R08: 0000000000000001 R09: ffffed1002e3b541
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880172e9500
R13: 0000000000000000 R14: ffff8880172a9bc0 R15: ffff88804a097e98
FS:  00007f498aafb700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000c9f5000 CR4: 0000000000350ef0
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: 0033:0x7f498d587107
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:00007f498aafb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f498d698f60 RCX: 00007f498d587107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffedbc9d1ef R14: 00007f498aafb300 R15: 0000000000022000
 </TASK>
irq event stamp: 2577
hardirqs last  enabled at (2585): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (2594): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (2370): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (2355): [<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.0/4893
Modules linked in:
CPU: 1 UID: 0 PID: 4893 Comm: syz-executor.0 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:ffff88804a097e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880097c0478 RCX: ffffc90001df8000
RDX: 0000000000040000 RSI: ffffffff81c89d2a RDI: 0000000000000001
RBP: ffff88800983cc01 R08: 0000000000000001 R09: ffffed1001307997
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880172e9500
R13: 0000000000000000 R14: ffff8880172a9bc0 R15: ffff88804a097e98
FS:  00007f498aafb700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000c9f5000 CR4: 0000000000350ef0
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: 0033:0x7f498d587107
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:00007f498aafb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f498d698f60 RCX: 00007f498d587107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffedbc9d1ef R14: 00007f498aafb300 R15: 0000000000022000
 </TASK>
irq event stamp: 3681
hardirqs last  enabled at (3691): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (3698): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (3642): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (3311): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---