------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.5/39923
Modules linked in:
CPU: 1 UID: 0 PID: 39923 Comm: syz-executor.5 Not tainted 6.18.0-rc4-next-20251105 #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 e9 cd ab ff 84 db 75 07 5b 5d e9 0e d3 ab ff e8 09 d3 ab ff 90 0f 0b 90 eb ee e8 fe d2 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 0f 0b 90 e9 92 fd ff ff
RSP: 0018:ffff88804ff47e08 EFLAGS: 00010212
RAX: 0000000000000d86 RBX: ffff8880097c18f0 RCX: ffffc9000f664000
RDX: 0000000000040000 RSI: ffffffff81c8c9f2 RDI: 0000000000000001
RBP: ffff88800c8b5401 R08: 0000000000000001 R09: ffffed1001916a97
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880162ae8c0
R13: 0000000000000000 R14: ffff88804fe11bc0 R15: ffff88804ff47e98
FS:  00007f9786e17700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97899b5018 CR3: 000000004e131000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97898a3107
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:00007f9786e17128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f97899b4f60 RCX: 00007f97898a3107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff87bae7ff R14: 00007f9786e17300 R15: 0000000000022000
 </TASK>
irq event stamp: 805
hardirqs last  enabled at (815): [<ffffffff815482d8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (824): [<ffffffff815482bd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (838): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (833): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x331/0x3d0, CPU#1: syz-executor.5/39923
Modules linked in:
CPU: 1 UID: 0 PID: 39923 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc4-next-20251105 #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 0e d3 ab ff e8 09 d3 ab ff 90 0f 0b 90 eb ee e8 fe d2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 e2 d2 ab ff 90 0f 0b 90 e9 e5 fd ff ff
RSP: 0018:ffff88804ff47e08 EFLAGS: 00010206
RAX: 000000000001bc60 RBX: ffff8880097c18f0 RCX: ffffc9000f664000
RDX: 0000000000040000 RSI: ffffffff81c8ca00 RDI: 0000000000000001
RBP: ffff88800d43d101 R08: 0000000000000001 R09: ffffed1001a87a6c
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880162ae8c0
R13: 0000000000000000 R14: ffff88804fe11bc0 R15: ffff88804ff47e98
FS:  00007f9786e17700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97899b5018 CR3: 000000004e131000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97898a3107
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:00007f9786e17128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f97899b4f60 RCX: 00007f97898a3107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff87bae7ff R14: 00007f9786e17300 R15: 0000000000022000
 </TASK>
irq event stamp: 1235
hardirqs last  enabled at (1245): [<ffffffff815482d8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1254): [<ffffffff815482bd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (838): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (833): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.5/39923
Modules linked in:
CPU: 1 UID: 0 PID: 39923 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc4-next-20251105 #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 fe d2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 e2 d2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff88804ff47e08 EFLAGS: 00010216
RAX: 00000000000372bc RBX: ffff8880097c18f0 RCX: ffffc9000f664000
RDX: 0000000000040000 RSI: ffffffff81c8ca0e RDI: 0000000000000001
RBP: ffff888013f42001 R08: 0000000000000001 R09: ffffed10027e8541
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880162ae8c0
R13: 0000000000000000 R14: ffff88804fe11bc0 R15: ffff88804ff47e98
FS:  00007f9786e17700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97899b5018 CR3: 000000004e131000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97898a3107
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:00007f9786e17128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f97899b4f60 RCX: 00007f97898a3107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff87bae7ff R14: 00007f9786e17300 R15: 0000000000022000
 </TASK>
irq event stamp: 1865
hardirqs last  enabled at (1875): [<ffffffff815482d8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1886): [<ffffffff84c3b3cf>] sysvec_apic_timer_interrupt+0xf/0x80
softirqs last  enabled at (1770): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1683): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#1: syz-executor.5/39923
Modules linked in:
CPU: 1 UID: 0 PID: 39923 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc4-next-20251105 #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 e2 d2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 c6 d2 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 b8 d2 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff88804ff47e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880097c18f0 RCX: ffffc9000f664000
RDX: 0000000000040000 RSI: ffffffff81c8ca2a RDI: 0000000000000001
RBP: ffff888009846a01 R08: 0000000000000001 R09: ffffed1001308d57
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880162ae8c0
R13: 0000000000000000 R14: ffff88804fe11bc0 R15: ffff88804ff47e98
FS:  00007f9786e17700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97899b5018 CR3: 000000004e131000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 switch_task_namespaces+0x3d/0x110
 __do_sys_setns+0x6b0/0x19a0
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97898a3107
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:00007f9786e17128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f97899b4f60 RCX: 00007f97898a3107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff87bae7ff R14: 00007f9786e17300 R15: 0000000000022000
 </TASK>
irq event stamp: 2299
hardirqs last  enabled at (2307): [<ffffffff815482d8>] __up_console_sem+0x78/0x80
hardirqs last disabled at (2318): [<ffffffff84c3b3cf>] sysvec_apic_timer_interrupt+0xf/0x80
softirqs last  enabled at (1930): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1925): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
ext4: Unknown parameter '00000000000000000000005'
ext4: Unknown parameter '00000000000000000000010'
ext4: Unknown parameter 'nouser_xattr'
ext4: Unknown parameter 'nouser_xattr'
ext4: Unknown parameter 'noeser_xxttr'
ext4: Unknown parameter 'noeser_xxttr'