------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.1/8338
Modules linked in:
CPU: 0 UID: 0 PID: 8338 Comm: syz-executor.1 Not tainted 6.18.0-rc4-next-20251103 #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 2e e2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 20 e2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 12 e2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff888015927e08 EFLAGS: 00010216
RAX: 00000000000016f6 RBX: ffff8880173e9618 RCX: ffffc900007f1000
RDX: 0000000000040000 RSI: ffffffff81c89d0e RDI: 0000000000000001
RBP: ffff88801a4da001 R08: 0000000000000001 R09: ffffed100349b541
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015ba1180
R13: 0000000000000000 R14: ffff888016811bc0 R15: ffff888015927e98
FS: 00007f790e304700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7910e995d8 CR3: 000000004554d000 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: 0033:0x7f7910d90107
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:00007f790e304128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f7910ea1f60 RCX: 00007f7910d90107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4acbacaf R14: 00007f790e304300 R15: 0000000000022000
irq event stamp: 727
hardirqs last enabled at (735): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (744): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (694): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (689): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#0: syz-executor.1/8338
Modules linked in:
CPU: 0 UID: 0 PID: 8338 Comm: syz-executor.1 Tainted: G W 6.18.0-rc4-next-20251103 #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 12 e2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 f6 e1 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 e8 e1 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff888015927e08 EFLAGS: 00010216
RAX: 000000000001d9b8 RBX: ffff8880173e9618 RCX: ffffc900007f1000
RDX: 0000000000040000 RSI: ffffffff81c89d2a RDI: 0000000000000001
RBP: ffff888009487201 R08: 0000000000000001 R09: ffffed1001290e57
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015ba1180
R13: 0000000000000000 R14: ffff888016811bc0 R15: ffff888015927e98
FS: 00007f790e304700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7910e995d8 CR3: 000000004554d000 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: 0033:0x7f7910d90107
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:00007f790e304128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f7910ea1f60 RCX: 00007f7910d90107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4acbacaf R14: 00007f790e304300 R15: 0000000000022000
irq event stamp: 1753
hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1479): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop3: detected capacity change from 0 to 24
loop3: detected capacity change from 0 to 24
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 8384 Comm: syz-executor.4 Tainted: G W 6.18.0-rc4-next-20251103 #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: 0033:0x7fa63b7398ac
Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b
RSP: 002b:00007fa638cfb020 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa638cfb110 RCX: 00007fa63b7398ac
RDX: 0000000000000020 RSI: 00007fa638cfb160 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fa638cfb074 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 00007fa638cfb0c8
R13: 00007fa638cfb160 R14: 0000000000000003 R15: 0000000000000000
loop3: detected capacity change from 0 to 24
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 UID: 0 PID: 8404 Comm: syz-executor.4 Tainted: G W 6.18.0-rc4-next-20251103 #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