------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.1/214862
Modules linked in:
CPU: 0 UID: 0 PID: 214862 Comm: syz-executor.1 Not tainted 6.18.0-rc4-next-20251110 #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 ae 52 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 a0 52 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 92 52 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff88805e2dfe08 EFLAGS: 00010206
RAX: 0000000000000da0 RBX: ffff88804ee15000 RCX: ffffc90002f2c000
RDX: 0000000000040000 RSI: ffffffff81c9575e RDI: 0000000000000001
RBP: ffff888016598001 R08: 0000000000000001 R09: ffffed1002cb3141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016c0dc00
R13: 0000000000000000 R14: ffff888049bf0000 R15: ffff88805e2dfe98
FS:  00007f1a94bfd700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1a9779b018 CR3: 000000004e5ee000 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: 0033:0x7f1a97689107
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:00007f1a94bfd128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f1a9779af60 RCX: 00007f1a97689107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe420b019f R14: 00007f1a94bfd300 R15: 0000000000022000
 </TASK>
irq event stamp: 513
hardirqs last  enabled at (521): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (530): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (422): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (415): [<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#0: syz-executor.1/214862
Modules linked in:
CPU: 0 UID: 0 PID: 214862 Comm: syz-executor.1 Tainted: G        W           6.18.0-rc4-next-20251110 #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 92 52 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 76 52 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 68 52 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff88805e2dfe08 EFLAGS: 00010212
RAX: 000000000001cf76 RBX: ffff88804ee15000 RCX: ffffc90002f2c000
RDX: 0000000000040000 RSI: ffffffff81c9577a RDI: 0000000000000001
RBP: ffff88801ecd2201 R08: 0000000000000001 R09: ffffed1003d9a457
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016c0dc00
R13: 0000000000000000 R14: ffff888049bf0000 R15: ffff88805e2dfe98
FS:  00007f1a94bfd700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1a9779b018 CR3: 000000004e5ee000 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: 0033:0x7f1a97689107
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:00007f1a94bfd128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f1a9779af60 RCX: 00007f1a97689107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe420b019f R14: 00007f1a94bfd300 R15: 0000000000022000
 </TASK>
irq event stamp: 965
hardirqs last  enabled at (973): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (982): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (730): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (695): [<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#0: syz-executor.1/214862
Modules linked in:
CPU: 0 UID: 0 PID: 214862 Comm: syz-executor.1 Tainted: G        W           6.18.0-rc4-next-20251110 #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 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 76 52 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 68 52 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 5a 52 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff88805e2dfe08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88804ee15dd0 RCX: ffffc90002f2c000
RDX: 0000000000040000 RSI: ffffffff81c95788 RDI: 0000000000000001
RBP: ffff8880173e6101 R08: 0000000000000001 R09: ffffed1002e7cc62
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888013b94000
R13: 0000000000000000 R14: ffff888049bf0000 R15: ffff88805e2dfe98
FS:  00007f1a94bfd700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1a953fe9c8 CR3: 000000004e5ee000 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: 0033:0x7f1a97689107
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:00007f1a94bfd128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a97689107
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1a94bfd6bc
R13: 000000000000000e R14: 00007f1a94bfd300 R15: 0000000000022000
 </TASK>
irq event stamp: 1571
hardirqs last  enabled at (1579): [<ffffffff81548228>] __up_console_sem+0x78/0x80
hardirqs last disabled at (1588): [<ffffffff8154820d>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (1364): [<ffffffff813bc08c>] handle_softirqs+0x50c/0x770
softirqs last disabled at (1351): [<ffffffff813bc424>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop6: detected capacity change from 0 to 512
EXT4-fs error (device loop6): __ext4_fill_super:5513: inode #2: comm syz-executor.6: iget: bad extra_isize 33422 (inode size 512)
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
tmpfs: Bad value for 'mpol'
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
buffer_io_error: 38 callbacks suppressed
Buffer I/O error on dev sr0, logical block 0, lost async page write
loop6: detected capacity change from 0 to 512
tmpfs: Bad value for 'mpol'
EXT4-fs error (device loop6): __ext4_fill_super:5513: inode #2: comm syz-executor.6: iget: bad extra_isize 33422 (inode size 512)
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
tmpfs: Bad value for 'mpol'
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
loop6: detected capacity change from 0 to 512
tmpfs: Bad value for 'mpol'
EXT4-fs error (device loop6): __ext4_fill_super:5513: inode #2: comm syz-executor.6: iget: bad extra_isize 33422 (inode size 512)
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, lost async page write
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, lost async page write
tmpfs: Bad value for 'mpol'
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, lost async page write
loop6: detected capacity change from 0 to 512
EXT4-fs error (device loop6): __ext4_fill_super:5513: inode #2: comm syz-executor.6: iget: bad extra_isize 33422 (inode size 512)
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, lost async page write
loop6: detected capacity change from 0 to 512
EXT4-fs error (device loop6): __ext4_fill_super:5513: inode #2: comm syz-executor.6: iget: bad extra_isize 33422 (inode size 512)
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, lost async page write
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 1 prio class 2
Buffer I/O error on dev sr0, logical block 0, lost async page write
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.