------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.6/24453
Modules linked in:
CPU: 0 UID: 0 PID: 24453 Comm: syz-executor.6 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
RIP: 0010:nsproxy_ns_active_get+0x33f/0x3d0
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
RSP: 0018:ffff888059ee7e08 EFLAGS: 00010212
RAX: 0000000000000dae RBX: ffff888059eed340 RCX: ffffc90002c1b000
RDX: 0000000000040000 RSI: ffffffff81c9ab0e RDI: 0000000000000001
RBP: ffff88800a856001 R08: 0000000000000001 R09: ffffed100150ad41
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016eea700
R13: 0000000000000000 R14: ffff88806095b780 R15: ffff888059ee7e98
FS: 00007fbd5ca40700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd5f5de018 CR3: 000000005077f000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7fbd5f4cc107
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:00007fbd5ca40128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fbd5f5ddf60 RCX: 00007fbd5f4cc107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd83a6195f R14: 00007fbd5ca40300 R15: 0000000000022000
irq event stamp: 543
hardirqs last enabled at (551): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (560): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (396): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (367): [] __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.6/24453
Modules linked in:
CPU: 0 UID: 0 PID: 24453 Comm: syz-executor.6 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+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
RSP: 0018:ffff888059ee7e08 EFLAGS: 00010212
RAX: 000000000001c32a RBX: ffff888059eed340 RCX: ffffc90002c1b000
RDX: 0000000000040000 RSI: ffffffff81c9ab2a RDI: 0000000000000001
RBP: ffff888009841401 R08: 0000000000000001 R09: ffffed1001308297
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016eea700
R13: 0000000000000000 R14: ffff88806095b780 R15: ffff888059ee7e98
FS: 00007fbd5ca40700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd5f5de018 CR3: 000000005077f000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7fbd5f4cc107
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:00007fbd5ca40128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fbd5f5ddf60 RCX: 00007fbd5f4cc107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd83a6195f R14: 00007fbd5ca40300 R15: 0000000000022000
irq event stamp: 955
hardirqs last enabled at (963): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (972): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (396): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (367): [] __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.6/24453
Modules linked in:
CPU: 0 UID: 0 PID: 24453 Comm: syz-executor.6 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:ffff888059ee7e08 EFLAGS: 00010212
RAX: 000000000003f0a8 RBX: ffff888059eed2d8 RCX: ffffc90002c1b000
RDX: 0000000000040000 RSI: ffffffff81c9ab38 RDI: 0000000000000001
RBP: ffff88800e8e3001 R08: 0000000000000001 R09: ffffed1001d1c652
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880167d5880
R13: 0000000000000000 R14: ffff88806095b780 R15: ffff888059ee7e98
FS: 00007fbd5ca40700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefa9eec180 CR3: 000000005077f000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7fbd5f4cc107
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:00007fbd5ca40128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbd5f4cc107
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd5ca406bc
R13: 000000000000000e R14: 00007fbd5ca40300 R15: 0000000000022000
irq event stamp: 1721
hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1508): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1331): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
cgroup: No subsys list or none specified
cgroup: No subsys list or none specified
cgroup: No subsys list or none specified
cgroup: No subsys list or none specified
cgroup: No subsys list or none specified
kernel write not supported for file [eventfd] (pid: 315 comm: kworker/0:3)
kernel write not supported for file [eventfd] (pid: 315 comm: kworker/0:3)
kernel write not supported for file [eventfd] (pid: 4937 comm: kworker/1:4)
kernel write not supported for file [eventfd] (pid: 4937 comm: kworker/1:4)
tmpfs: Unknown parameter './file0'
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
cgroup: fork rejected by pids controller in /syz0
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F-rb<dpcGglxSM{#0xffffffffffffffff: Can't lookup blockdev