------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.0/9817
Modules linked in:
CPU: 0 UID: 0 PID: 9817 Comm: syz-executor.0 Not tainted 6.18.0-rc4-next-20251104 #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 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff888034fcfe08 EFLAGS: 00010216
RAX: 0000000000000d85 RBX: ffff88800ce85dd0 RCX: ffffc90001815000
RDX: 0000000000040000 RSI: ffffffff81c8ab7e RDI: 0000000000000001
RBP: ffff88800abe0001 R08: 0000000000000001 R09: ffffed100157c141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015cef180
R13: 0000000000000000 R14: ffff888009760000 R15: ffff888034fcfe98
FS: 00007f1930e11700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f19339af018 CR3: 000000001d3f2000 CR4: 0000000000350ef0
Call Trace:
switch_task_namespaces+0x3d/0x110
__do_sys_setns+0x6b0/0x19a0
do_syscall_64+0xbf/0x3f0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f193389d107
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:00007f1930e11128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f19339aef60 RCX: 00007f193389d107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed525b5af R14: 00007f1930e11300 R15: 0000000000022000
irq event stamp: 665
hardirqs last enabled at (673): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (682): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (534): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (399): [] __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.0/9817
Modules linked in:
CPU: 0 UID: 0 PID: 9817 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251104 #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 f2 dc ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff e8 d6 dc ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 c8 dc ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff888034fcfe08 EFLAGS: 00010212
RAX: 000000000001b674 RBX: ffff88800ce85dd0 RCX: ffffc90001815000
RDX: 0000000000040000 RSI: ffffffff81c8ab9a RDI: 0000000000000001
RBP: ffff888009487601 R08: 0000000000000001 R09: ffffed1001290ed7
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015cef180
R13: 0000000000000000 R14: ffff888009760000 R15: ffff888034fcfe98
FS: 00007f1930e11700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f19339af018 CR3: 000000001d3f2000 CR4: 0000000000350ef0
Call Trace:
switch_task_namespaces+0x3d/0x110
__do_sys_setns+0x6b0/0x19a0
do_syscall_64+0xbf/0x3f0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f193389d107
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:00007f1930e11128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f19339aef60 RCX: 00007f193389d107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed525b5af R14: 00007f1930e11300 R15: 0000000000022000
irq event stamp: 1065
hardirqs last enabled at (1073): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1082): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (732): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (725): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 9829 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251104 #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
_copy_from_user+0x30/0xd0
move_addr_to_kernel.part.0+0x40/0x120
__sys_sendto+0x1da/0x570
__x64_sys_sendto+0xe1/0x1c0
do_syscall_64+0xbf/0x3f0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7930fe6b19
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:00007f792e55c188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f79310f9f60 RCX: 00007f7930fe6b19
RDX: 0000000000006000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f792e55c1d0 R08: 0000000020000240 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff9b1b390f R14: 00007f792e55c300 R15: 0000000000022000
loop2: detected capacity change from 0 to 16383
loop3: detected capacity change from 0 to 16383
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 9838 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251104 #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_failslab+0xc2/0x120
kmem_cache_alloc_noprof+0x80/0x690
dst_alloc+0x9c/0x620
rt_dst_alloc+0x50/0x3d0
ip_route_output_key_hash_rcu+0x894/0x2370
ip_route_output_key_hash+0x10f/0x2b0
ip_route_output_flow+0x27/0x150
raw_sendmsg+0xbef/0x3020
inet_sendmsg+0x121/0x150
__sys_sendto+0x4a2/0x570
__x64_sys_sendto+0xe1/0x1c0
do_syscall_64+0xbf/0x3f0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7930fe6b19
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:00007f792e55c188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f79310f9f60 RCX: 00007f7930fe6b19
RDX: 0000000000006000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f792e55c1d0 R08: 0000000020000240 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff9b1b390f R14: 00007f792e55c300 R15: 0000000000022000
loop3: detected capacity change from 0 to 16383
loop2: detected capacity change from 0 to 16383
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 9862 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251104 #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_failslab+0xc2/0x120
kmem_cache_alloc_node_noprof+0x87/0x6b0
__alloc_skb+0x2ab/0x370
__ip_append_data+0x319b/0x40d0
ip_append_data+0x115/0x1a0
raw_sendmsg+0xd87/0x3020
inet_sendmsg+0x121/0x150
__sys_sendto+0x4a2/0x570
__x64_sys_sendto+0xe1/0x1c0
do_syscall_64+0xbf/0x3f0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7930fe6b19
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:00007f792e55c188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f79310f9f60 RCX: 00007f7930fe6b19
RDX: 0000000000006000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f792e55c1d0 R08: 0000000020000240 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff9b1b390f R14: 00007f792e55c300 R15: 0000000000022000