------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.6/107380 Modules linked in: CPU: 0 UID: 0 PID: 107380 Comm: syz-executor.6 Not tainted 6.18.0-rc4-next-20251110 #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 ae 52 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 a0 52 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 92 52 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff88804ad67e08 EFLAGS: 00010212 RAX: 0000000000000d46 RBX: ffff8880481414e0 RCX: ffffc90008630000 RDX: 0000000000040000 RSI: ffffffff81c9575e RDI: 0000000000000001 RBP: ffff888016136001 R08: 0000000000000001 R09: ffffed1002c26d41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880166eb880 R13: 0000000000000000 R14: ffff888052e45340 R15: ffff88804ad67e98 FS: 00007fb45f279700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb461e17018 CR3: 0000000052a00000 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: 0033:0x7fb461d05107 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:00007fb45f279128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fb461e16f60 RCX: 00007fb461d05107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1eee099f R14: 00007fb45f279300 R15: 0000000000022000 irq event stamp: 1109 hardirqs last enabled at (1117): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1126): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1098): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1091): [] __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.6/107380 Modules linked in: CPU: 0 UID: 0 PID: 107380 Comm: syz-executor.6 Tainted: G W 6.18.0-rc4-next-20251110 #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 92 52 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 76 52 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 68 52 ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff88804ad67e08 EFLAGS: 00010216 RAX: 000000000001f13d RBX: ffff8880481414e0 RCX: ffffc90008630000 RDX: 0000000000040000 RSI: ffffffff81c9577a RDI: 0000000000000001 RBP: ffff888009843601 R08: 0000000000000001 R09: ffffed10013086d7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880166eb880 R13: 0000000000000000 R14: ffff888052e45340 R15: ffff88804ad67e98 FS: 00007fb45f279700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb461e17018 CR3: 0000000052a00000 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: 0033:0x7fb461d05107 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:00007fb45f279128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fb461e16f60 RCX: 00007fb461d05107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1eee099f R14: 00007fb45f279300 R15: 0000000000022000 irq event stamp: 1543 hardirqs last enabled at (1551): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1562): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1098): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1091): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x369/0x3d0, CPU#1: syz-executor.3/107911 Modules linked in: CPU: 1 UID: 0 PID: 107911 Comm: syz-executor.3 Tainted: G W 6.18.0-rc4-next-20251110 #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 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 76 52 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 68 52 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 5a 52 ab ff 90 0f 0b 90 e9 31 ff ff ff RSP: 0018:ffff88800dfd7e08 EFLAGS: 00010216 RAX: 000000000000e822 RBX: ffff8880164c0af8 RCX: ffffc90004811000 RDX: 0000000000040000 RSI: ffffffff81c95788 RDI: 0000000000000001 RBP: ffff88804b074801 R08: 0000000000000001 R09: ffffed100960e95a R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016899a40 R13: 0000000000000000 R14: ffff88804b773780 R15: ffff88800dfd7e98 FS: 00007f3275825700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd24000 CR3: 0000000052909000 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: 0033:0x7f32782b1107 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:00007f3275825128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f32782b1107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f32758256bc R13: 000000000000000e R14: 00007f3275825300 R15: 0000000000022000 irq event stamp: 1029 hardirqs last enabled at (1037): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1046): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1006): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (967): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 64 FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 64 FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Error when powering off device on rfkill (-4) Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Error when powering off device on rfkill (-4) mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium