------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.3/10540
Modules linked in:
CPU: 1 UID: 0 PID: 10540 Comm: syz-executor.3 Not tainted 6.18.0-rc4-next-20251106 #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 de a2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 d0 a2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 c2 a2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 b4 a2 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff88805023fe08 EFLAGS: 00010216
RAX: 00000000000013e9 RBX: ffff88800a22cc30 RCX: ffffc9000d46b000
RDX: 0000000000040000 RSI: ffffffff81c92b5e RDI: 0000000000000001
RBP: ffff888017a5a001 R08: 0000000000000001 R09: ffffed1002f4b541
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016ac3a40
R13: 0000000000000000 R14: ffff888016f4b780 R15: ffff88805023fe98
FS: 00007efe7a2fc700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004a3a2000 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: 0033:0x7efe7cd88107
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:00007efe7a2fc128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007efe7ce99f60 RCX: 00007efe7cd88107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc4481aef R14: 00007efe7a2fc300 R15: 0000000000022000
irq event stamp: 1701
hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1203): [] __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.3/10540
Modules linked in:
CPU: 1 UID: 0 PID: 10540 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251106 #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 c2 a2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 b4 a2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 a6 a2 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 98 a2 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff88805023fe08 EFLAGS: 00010212
RAX: 000000000001c00e RBX: ffff88800a22cc30 RCX: ffffc9000d46b000
RDX: 0000000000040000 RSI: ffffffff81c92b7a RDI: 0000000000000001
RBP: ffff8880094c1401 R08: 0000000000000001 R09: ffffed1001298297
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016ac3a40
R13: 0000000000000000 R14: ffff888016f4b780 R15: ffff88805023fe98
FS: 00007efe7a2fc700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000004a3a2000 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: 0033:0x7efe7cd88107
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:00007efe7a2fc128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007efe7ce99f60 RCX: 00007efe7cd88107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc4481aef R14: 00007efe7a2fc300 R15: 0000000000022000
irq event stamp: 2131
hardirqs last enabled at (2141): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2152): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2030): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2025): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 10551 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1eb/0x550
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
alloc_pages_noprof+0x9d/0x180
get_zeroed_page_noprof+0x18/0xb0
mon_alloc_buff+0xed/0x250
mon_bin_ioctl+0x487/0xcc0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe9d7c23b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fe9d5178188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe9d7d37020 RCX: 00007fe9d7c23b19
RDX: 0000000000069bac RSI: 0000000000009204 RDI: 0000000000000003
RBP: 00007fe9d51781d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc8d0dcb3f R14: 00007fe9d5178300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 10576 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251106 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_fail_alloc_page+0xe0/0x110
prepare_alloc_pages+0x1eb/0x550
__alloc_frozen_pages_noprof+0x17f/0x1f20
alloc_pages_mpol+0xed/0x340
alloc_pages_noprof+0x9d/0x180
get_zeroed_page_noprof+0x18/0xb0
mon_alloc_buff+0xed/0x250
mon_bin_ioctl+0x487/0xcc0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe9d7c23b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fe9d5199188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe9d7d36f60 RCX: 00007fe9d7c23b19
RDX: 0000000000069bac RSI: 0000000000009204 RDI: 0000000000000003
RBP: 00007fe9d51991d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc8d0dcb3f R14: 00007fe9d5199300 R15: 0000000000022000