------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.5/9427
Modules linked in:
CPU: 1 UID: 0 PID: 9427 Comm: syz-executor.5 Not tainted 6.18.0-rc5-next-20251111 #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 29 50 ab ff 84 db 75 07 5b 5d e9 4e 55 ab ff e8 49 55 ab ff 90 0f 0b 90 eb ee e8 3e 55 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 30 55 ab ff 90 0f 0b 90 e9 92 fd ff ff
RSP: 0018:ffff8880501b7e08 EFLAGS: 00010216
RAX: 0000000000000b73 RBX: ffff88800974fc98 RCX: ffffc900029f6000
RDX: 0000000000040000 RSI: ffffffff81c95522 RDI: 0000000000000001
RBP: ffff88801799dc01 R08: 0000000000000001 R09: ffffed1002f33b97
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016832fc0
R13: 0000000000000000 R14: ffff888017935340 R15: ffff8880501b7e98
FS:  00007f447ba39700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d325000 CR3: 00000000507ff000 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/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f447e4c5107
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:00007f447ba39128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f447e5d6f60 RCX: 00007f447e4c5107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff95716cef R14: 00007f447ba39300 R15: 0000000000022000
 </TASK>
irq event stamp: 4017
hardirqs last  enabled at (4027): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (4036): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (3708): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (3703): [<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.5/9427
Modules linked in:
CPU: 1 UID: 0 PID: 9427 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc5-next-20251111 #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 4e 55 ab ff e8 49 55 ab ff 90 0f 0b 90 eb ee e8 3e 55 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 55 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 22 55 ab ff 90 0f 0b 90 e9 e5 fd ff ff
RSP: 0018:ffff8880501b7e08 EFLAGS: 00010212
RAX: 000000000001ca2a RBX: ffff88800974fc98 RCX: ffffc900029f6000
RDX: 0000000000040000 RSI: ffffffff81c95530 RDI: 0000000000000001
RBP: ffff888018cb8e01 R08: 0000000000000001 R09: ffffed1003197211
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016832fc0
R13: 0000000000000000 R14: ffff888017935340 R15: ffff8880501b7e98
FS:  00007f447ba39700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d325000 CR3: 00000000507ff000 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/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f447e4c5107
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:00007f447ba39128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f447e5d6f60 RCX: 00007f447e4c5107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff95716cef R14: 00007f447ba39300 R15: 0000000000022000
 </TASK>
irq event stamp: 4487
hardirqs last  enabled at (4495): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (4504): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (4282): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (4277): [<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.5/9427
Modules linked in:
CPU: 1 UID: 0 PID: 9427 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc5-next-20251111 #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 3e 55 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 55 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 22 55 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 14 55 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff8880501b7e08 EFLAGS: 00010216
RAX: 0000000000039031 RBX: ffff88800974fc98 RCX: ffffc900029f6000
RDX: 0000000000040000 RSI: ffffffff81c9553e RDI: 0000000000000001
RBP: ffff888017aa0001 R08: 0000000000000001 R09: ffffed1002f54141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016832fc0
R13: 0000000000000000 R14: ffff888017935340 R15: ffff8880501b7e98
FS:  00007f447ba39700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d325000 CR3: 00000000507ff000 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/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f447e4c5107
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:00007f447ba39128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f447e5d6f60 RCX: 00007f447e4c5107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff95716cef R14: 00007f447ba39300 R15: 0000000000022000
 </TASK>
irq event stamp: 5713
hardirqs last  enabled at (5723): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (5732): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (5662): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (5657): [<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.5/9427
Modules linked in:
CPU: 1 UID: 0 PID: 9427 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc5-next-20251111 #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 22 55 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 14 55 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 55 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 f8 54 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff8880501b7e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88800974fc98 RCX: ffffc900029f6000
RDX: 0000000000040000 RSI: ffffffff81c9555a RDI: 0000000000000001
RBP: ffff888016282401 R08: 0000000000000001 R09: ffffed1002c50497
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016832fc0
R13: 0000000000000000 R14: ffff888017935340 R15: ffff8880501b7e98
FS:  00007f447ba39700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d325000 CR3: 00000000507ff000 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/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f447e4c5107
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:00007f447ba39128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f447e5d6f60 RCX: 00007f447e4c5107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff95716cef R14: 00007f447ba39300 R15: 0000000000022000
 </TASK>
irq event stamp: 6173
hardirqs last  enabled at (6183): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (6192): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (5662): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (5657): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x369/0x3d0, CPU#1: syz-executor.5/9427
Modules linked in:
CPU: 1 UID: 0 PID: 9427 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc5-next-20251111 #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 14 55 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 55 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 f8 54 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 ea 54 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff8880501b7e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88800974fdd0 RCX: ffffc900029f6000
RDX: 0000000000040000 RSI: ffffffff81c95568 RDI: 0000000000000001
RBP: ffff888016e91801 R08: 0000000000000001 R09: ffffed1002dd234a
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016d60fc0
R13: 0000000000000000 R14: ffff888017935340 R15: ffff8880501b7e98
FS:  00007f447ba39700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4fa003a078 CR3: 00000000507ff000 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/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f447e4c5107
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:00007f447ba39128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f447e4c5107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f447ba396bc
R13: 000000000000000e R14: 00007f447ba39300 R15: 0000000000022000
 </TASK>
irq event stamp: 7159
hardirqs last  enabled at (7169): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (7178): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (6860): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (6851): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop7: detected capacity change from 0 to 128
journal_path: Non-blockdev passed as './file0'
EXT4-fs: error: could not find journal device path
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at alloc_pid+0xcc8/0x1150, CPU#0: syz-executor.5/282
Modules linked in:
CPU: 0 UID: 0 PID: 282 Comm: syz-executor.5 Tainted: G        W           6.18.0-rc5-next-20251111 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:alloc_pid+0xcc8/0x1150
Code: 00 00 00 e8 7a 12 6f 00 f0 83 83 68 01 00 00 01 0f 98 c3 31 ff 89 de e8 66 84 31 00 84 db 0f 84 bc f3 ff ff e8 89 89 31 00 90 <0f> 0b 90 e9 ae f3 ff ff e8 7b 89 31 00 90 48 c7 c6 40 16 e7 84 48
RSP: 0018:ffff888017a0fab0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801dc2c201 RCX: ffffffff814320ca
RDX: ffff88800f115340 RSI: ffffffff814320d7 RDI: 0000000000000001
RBP: ffff88806ce35da0 R08: 0000000000000001 R09: ffffed1003b85883
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce35dc8
R13: ffffffff85d04820 R14: ffff88804f1ccf00 R15: ffff88801dc2c2b0
FS:  000055556ee9a400(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d420000 CR3: 0000000013e01000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 copy_process+0x3be1/0x72a0
 kernel_clone+0xea/0x7f0
 __do_sys_clone+0xce/0x120
 do_syscall_64+0xbf/0x430
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f447e4c210b
Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00
RSP: 002b:00007fff95716f20 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f447e4c210b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 000055556ee9a400
R10: 000055556ee9a6d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000001 R15: 00007fff95717000
 </TASK>
irq event stamp: 1254325
hardirqs last  enabled at (1254333): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1254350): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1254348): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1254341): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---