------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.0/18950 Modules linked in: CPU: 1 UID: 0 PID: 18950 Comm: syz-executor.0 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:ffff88804f85fe08 EFLAGS: 00010212 RAX: 00000000000014e7 RBX: ffff8880097c3a90 RCX: ffffc90011c8b000 RDX: 0000000000040000 RSI: ffffffff81c9ab0e RDI: 0000000000000001 RBP: ffff88804950a001 R08: 0000000000000001 R09: ffffed10092a1541 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888017105c00 R13: 0000000000000000 R14: ffff888017809bc0 R15: ffff88804f85fe98 FS: 00007f9e6a7e7700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e6d381000 CR3: 000000001e80a000 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: 0033:0x7f9e6d273107 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:00007f9e6a7e7128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f9e6d384f60 RCX: 00007f9e6d273107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff87885e1f R14: 00007f9e6a7e7300 R15: 0000000000022000 irq event stamp: 717 hardirqs last enabled at (727): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (736): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (656): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (651): [] __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.0/18950 Modules linked in: CPU: 1 UID: 0 PID: 18950 Comm: syz-executor.0 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:ffff88804f85fe08 EFLAGS: 00010216 RAX: 000000000001d88f RBX: ffff8880097c3a90 RCX: ffffc90011c8b000 RDX: 0000000000040000 RSI: ffffffff81c9ab2a RDI: 0000000000000001 RBP: ffff8880495e0c01 R08: 0000000000000001 R09: ffffed10092bc197 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888017105c00 R13: 0000000000000000 R14: ffff888017809bc0 R15: ffff88804f85fe98 FS: 00007f9e6a7e7700(0000) GS:ffff8880e5498000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e6d381000 CR3: 000000001e80a000 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: 0033:0x7f9e6d273107 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:00007f9e6a7e7128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f9e6d384f60 RCX: 00007f9e6d273107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff87885e1f R14: 00007f9e6a7e7300 R15: 0000000000022000 irq event stamp: 1135 hardirqs last enabled at (1143): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1152): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (656): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (651): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci6: command tx timeout Bluetooth: hci6: command tx timeout Bluetooth: hci6: command tx timeout