RBP: 00007fe9a93bff82 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe73e4027f R14: 00007fe9a68dc300 R15: 0000000000022000
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.1/4754
------------[ cut here ]------------
Modules linked in:
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x331/0x3d0, CPU#0: syz-executor.1/4772
CPU: 1 UID: 0 PID: 4754 Comm: syz-executor.1 Not tainted 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary)
Modules linked in:
CPU: 0 UID: 0 PID: 4772 Comm: syz-executor.1 Not tainted 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_ns_active_get+0x331/0x3d0
RIP: 0010:nsproxy_ns_active_get+0x323/0x3d0
Code: 84 db 75 07 5b 5d e9 4e 24 ab ff e8 49 24 ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff
Code: 00 01 0f 98 c3 31 ff 89 de e8 29 1f ab ff 84 db 75 07 5b 5d e9 4e 24 ab ff e8 49 24 ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff
RSP: 0018:ffff88800f1b7e08 EFLAGS: 00010212
RSP: 0018:ffff88801967fe08 EFLAGS: 00010216
RAX: 000000000000085f RBX: ffff88801f7ace38 RCX: ffffc90001293000
RDX: 0000000000040000 RSI: ffffffff81c9ab00 RDI: 0000000000000001
RAX: 00000000000009e5 RBX: ffff8880097c3f70 RCX: ffffc90000e91000
RBP: ffff888009de8201 R08: 0000000000000001 R09: ffffed10013bd0a5
RDX: 0000000000040000 RSI: ffffffff81c9aaf2 RDI: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015e41180
RBP: ffff888009806c01 R08: 0000000000000001 R09: ffffed1001300d97
R13: 0000000000000000 R14: ffff888016e61bc0 R15: ffff88800f1b7e98
FS: 00007fa40259a700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015e41180
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
R13: 0000000000000000 R14: ffff8880153f9bc0 R15: ffff88801967fe98
CR2: 0000555565e10098 CR3: 000000001c263000 CR4: 0000000000350ef0
Call Trace:
FS: 00007fa4025bb700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000
switch_task_namespaces+0x3d/0x110
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
__do_sys_setns+0x6b0/0x19a0
CR2: 00007ff5a2f2b6d0 CR3: 000000001c263000 CR4: 0000000000350ef0
Call Trace:
switch_task_namespaces+0x3d/0x110
__do_sys_setns+0x6b0/0x19a0
do_syscall_64+0xbf/0x430
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa405068107
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:00007fa4025bb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fa40517a020 RCX: 00007fa405068107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x77/0x7f
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe3a42eb9f R14: 00007fa4025bb300 R15: 0000000000022000
irq event stamp: 1209
hardirqs last enabled at (1215): [] vprintk_emit+0x650/0x690
hardirqs last disabled at (1220): [] vprintk_emit+0x5e1/0x690
softirqs last enabled at (1192): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (869): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
RIP: 0033:0x7fa405068107
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.1/4754
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
Modules linked in:
RSP: 002b:00007fa40259a128 EFLAGS: 00000246
CPU: 1 UID: 0 PID: 4754 Comm: syz-executor.1 Tainted: G W 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary)
ORIG_RAX: 0000000000000134
Tainted: [W]=WARN
RAX: ffffffffffffffda RBX: 00007fa40517a0e0 RCX: 00007fa405068107
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
RIP: 0010:nsproxy_ns_active_get+0x33f/0x3d0
R13: 00007ffe3a42eb9f R14: 00007fa40259a300 R15: 0000000000022000
Code: ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff
irq event stamp: 1215
hardirqs last enabled at (1221): [] vprintk_emit+0x650/0x690
RSP: 0018:ffff88801967fe08 EFLAGS: 00010246
hardirqs last disabled at (1230): [] sysvec_apic_timer_interrupt+0xf/0x80
softirqs last enabled at (1124): [] handle_softirqs+0x50c/0x770
RAX: 0000000000040000 RBX: ffff8880097c3f70 RCX: ffffc90000e91000
softirqs last disabled at (787): [] __irq_exit_rcu+0xc4/0x100
RDX: 0000000000040000 RSI: ffffffff81c9ab0e RDI: 0000000000000001
---[ end trace 0000000000000000 ]---
RBP: ffff88801c122001 R08: 0000000000000001 R09: ffffed1003824541
------------[ cut here ]------------
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015e41180
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#0: syz-executor.1/4772
R13: 0000000000000000 R14: ffff8880153f9bc0 R15: ffff88801967fe98
Modules linked in:
FS: 00007fa4025bb700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000
CPU: 0 UID: 0 PID: 4772 Comm: syz-executor.1 Tainted: G W 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary)
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Tainted: [W]=WARN
CR2: 00007ff5a2f2b6d0 CR3: 000000001c263000 CR4: 0000000000350ef0
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
RIP: 0010:nsproxy_ns_active_get+0x35b/0x3d0
Code: 0f 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 24 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 f8 23 ab ff 90 0f 0b 90 e9 de fe ff ff
switch_task_namespaces+0x3d/0x110
RSP: 0018:ffff88800f1b7e08 EFLAGS: 00010246
__do_sys_setns+0x6b0/0x19a0
RAX: 0000000000040000 RBX: ffff88801f7ace38 RCX: ffffc90001293000
RDX: 0000000000040000 RSI: ffffffff81c9ab2a RDI: 0000000000000001
RBP: ffff8880094f3201 R08: 0000000000000001 R09: ffffed100129e657
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015e41180
R13: 0000000000000000 R14: ffff888016e61bc0 R15: ffff88800f1b7e98
FS: 00007fa40259a700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555565e10098 CR3: 000000001c263000 CR4: 0000000000350ef0
Call Trace:
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
switch_task_namespaces+0x3d/0x110
RIP: 0033:0x7fa405068107
__do_sys_setns+0x6b0/0x19a0
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:00007fa4025bb128 EFLAGS: 00000246
ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fa40517a020 RCX: 00007fa405068107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
do_syscall_64+0xbf/0x430
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
entry_SYSCALL_64_after_hwframe+0x77/0x7f
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
RIP: 0033:0x7fa405068107
R13: 00007ffe3a42eb9f R14: 00007fa4025bb300 R15: 0000000000022000
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:00007fa40259a128 EFLAGS: 00000246
irq event stamp: 1683
ORIG_RAX: 0000000000000134
hardirqs last enabled at (1693): [] irqentry_exit+0x17b/0x650
RAX: ffffffffffffffda RBX: 00007fa40517a0e0 RCX: 00007fa405068107
hardirqs last disabled at (1702): [] sysvec_apic_timer_interrupt+0xf/0x80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
softirqs last enabled at (1278): [] handle_softirqs+0x50c/0x770
RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000
softirqs last disabled at (1237): [] __irq_exit_rcu+0xc4/0x100
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
---[ end trace 0000000000000000 ]---
R13: 00007ffe3a42eb9f R14: 00007fa40259a300 R15: 0000000000022000
irq event stamp: 1871
hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1888): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1860): [] handle_softirqs+0x50c/0x770
------------[ cut here ]------------
softirqs last disabled at (1855): [] __irq_exit_rcu+0xc4/0x100
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x369/0x3d0, CPU#1: syz-executor.1/4754
---[ end trace 0000000000000000 ]---
Modules linked in:
CPU: 1 UID: 0 PID: 4754 Comm: syz-executor.1 Tainted: G W 6.18.0-rc4-next-20251107 #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 24 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 24 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 f8 23 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 ea 23 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff88801967fe08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880097c3958 RCX: ffffc90000e91000
RDX: 0000000000040000 RSI: ffffffff81c9ab38 RDI: 0000000000000001
RBP: ffff888016d4b001 R08: 0000000000000001 R09: ffffed1002da9652
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016b98a80
R13: 0000000000000000 R14: ffff8880153f9bc0 R15: ffff88801967fe98
FS: 00007fa4025bb700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5a2f61e30 CR3: 000000001c263000 CR4: 0000000000350ef0
Call Trace:
switch_task_namespaces+0x3d/0x110
__do_sys_setns+0x6b0/0x19a0
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa405068107
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:00007fa4025bb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa405068107
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4025bb6bc
R13: 000000000000000e R14: 00007fa4025bb300 R15: 0000000000022000
irq event stamp: 2289
hardirqs last enabled at (2297): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2306): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1990): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1975): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 73 01 jae 0x3
2: c3 retq
3: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx
a: f7 d8 neg %eax
c: 64 89 01 mov %eax,%fs:(%rcx)
f: 48 83 c8 ff or $0xffffffffffffffff,%rax
13: c3 retq
14: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
1b: 00 00 00
1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
23: b8 34 01 00 00 mov $0x134,%eax
28: 0f 05 syscall
* 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
30: 73 01 jae 0x33
32: c3 retq
33: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W