------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x331/0x3d0, CPU#1: syz-executor.5/5028
Modules linked in:
CPU: 1 UID: 0 PID: 5028 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+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:ffff88801bf8fe08 EFLAGS: 00010212
RAX: 000000000000085e RBX: ffff8880097c0c30 RCX: ffffc90009c37000
RDX: 0000000000040000 RSI: ffffffff81c89d00 RDI: 0000000000000001
RBP: ffff888018bc0e01 R08: 0000000000000001 R09: ffffed1003178211
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801701ec40
R13: 0000000000000000 R14: ffff88801bc85340 R15: ffff88801bf8fe98
FS:  00007febb26bd700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e6781d344 CR3: 0000000016baf000 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: 0033:0x7febb516a107
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:00007febb26bd128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007febb527c020 RCX: 00007febb516a107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcba54e0cf R14: 00007febb26bd300 R15: 0000000000022000
 </TASK>
irq event stamp: 2197
hardirqs last  enabled at (2213): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (2228): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (2242): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (2261): [<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.5/5028
Modules linked in:
CPU: 1 UID: 0 PID: 5028 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+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:ffff88801bf8fe08 EFLAGS: 00010216
RAX: 000000000001aa0d RBX: ffff8880097c0c30 RCX: ffffc90009c37000
RDX: 0000000000040000 RSI: ffffffff81c89d0e RDI: 0000000000000001
RBP: ffff88800a45e001 R08: 0000000000000001 R09: ffffed100148bd41
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801701ec40
R13: 0000000000000000 R14: ffff88801bc85340 R15: ffff88801bf8fe98
FS:  00007febb26bd700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e6781d344 CR3: 0000000016baf000 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: 0033:0x7febb516a107
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:00007febb26bd128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007febb527c020 RCX: 00007febb516a107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcba54e0cf R14: 00007febb26bd300 R15: 0000000000022000
 </TASK>
irq event stamp: 3203
hardirqs last  enabled at (3219): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (3234): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (3248): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (3259): [<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.5/5028
Modules linked in:
CPU: 1 UID: 0 PID: 5028 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:ffff88801bf8fe08 EFLAGS: 00010206
RAX: 0000000000035300 RBX: ffff8880097c0c30 RCX: ffffc90009c37000
RDX: 0000000000040000 RSI: ffffffff81c89d2a RDI: 0000000000000001
RBP: ffff88801678d201 R08: 0000000000000001 R09: ffffed1002cf1a57
loop3: detected capacity change from 0 to 107
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801701ec40
R13: 0000000000000000 R14: ffff88801bc85340 R15: ffff88801bf8fe98
FS:  00007febb26bd700(0000) GS:ffff8880e54a8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e6781d344 CR3: 0000000016baf000 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: 0033:0x7febb516a107
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:00007febb26bd128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007febb527c020 RCX: 00007febb516a107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcba54e0cf R14: 00007febb26bd300 R15: 0000000000022000
 </TASK>
irq event stamp: 4955
hardirqs last  enabled at (4971): [<ffffffff81546b48>] __up_console_sem+0x78/0x80
hardirqs last disabled at (4986): [<ffffffff81546b2d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (5000): [<ffffffff813bc1cc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (5011): [<ffffffff813bc564>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 4
netlink: 88 bytes leftover after parsing attributes in process `syz-executor.7'.
EXT4-fs (loop5): couldn't mount as ext2 due to feature incompatibilities
loop5: detected capacity change from 0 to 4
EXT4-fs (loop5): couldn't mount as ext2 due to feature incompatibilities
tmpfs: Bad value for 'mpol'