------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.0/272426 Modules linked in: CPU: 1 UID: 0 PID: 272426 Comm: syz-executor.0 Not tainted 6.18.0-rc4-next-20251105 #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 fe d2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 e2 d2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff888020237e08 EFLAGS: 00010216 RAX: 00000000000015c4 RBX: ffff88802a843dd0 RCX: ffffc90011d18000 RDX: 0000000000040000 RSI: ffffffff81c8ca0e RDI: 0000000000000001 RBP: ffff8880557e4001 R08: 0000000000000001 R09: ffffed100aafc941 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888017299180 R13: 0000000000000000 R14: ffff88805c129bc0 R15: ffff888020237e98 FS: 00007f76ae497700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b22000 CR3: 000000000d385000 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: 0033:0x7f76b0f23107 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:00007f76ae497128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f76b1034f60 RCX: 00007f76b0f23107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe13e8a9ef R14: 00007f76ae497300 R15: 0000000000022000 irq event stamp: 965 hardirqs last enabled at (973): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (982): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (746): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (731): [] __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.0/272426 Modules linked in: CPU: 1 UID: 0 PID: 272426 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251105 #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 e2 d2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 c6 d2 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 b8 d2 ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff888020237e08 EFLAGS: 00010212 RAX: 000000000001ed68 RBX: ffff88802a843dd0 RCX: ffffc90011d18000 RDX: 0000000000040000 RSI: ffffffff81c8ca2a RDI: 0000000000000001 RBP: ffff88801f77b601 R08: 0000000000000001 R09: ffffed1003eef6d7 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888017299180 R13: 0000000000000000 R14: ffff88805c129bc0 R15: ffff888020237e98 FS: 00007f76ae497700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b22000 CR3: 000000000d385000 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: 0033:0x7f76b0f23107 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:00007f76ae497128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f76b1034f60 RCX: 00007f76b0f23107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe13e8a9ef R14: 00007f76ae497300 R15: 0000000000022000 irq event stamp: 1419 hardirqs last enabled at (1429): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1438): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1408): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1395): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- random: crng reseeded on system resumption ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x369/0x3d0, CPU#1: syz-executor.0/272426 Modules linked in: CPU: 1 UID: 0 PID: 272426 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251105 #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 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 c6 d2 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 b8 d2 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 aa d2 ab ff 90 0f 0b 90 e9 31 ff ff ff RSP: 0018:ffff888020237e08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88802a843820 RCX: ffffc90011d18000 RDX: 0000000000040000 RSI: ffffffff81c8ca38 RDI: 0000000000000001 RBP: ffff88802a83c801 R08: 0000000000000001 R09: ffffed100550795a R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800d91fa40 R13: 0000000000000000 R14: ffff88805c129bc0 R15: ffff888020237e98 FS: 00007f76ae497700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b24000 CR3: 000000000d385000 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: 0033:0x7f76b0f23107 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:00007f76ae497128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f76b0f23107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f76ae4976bc R13: 000000000000000e R14: 00007f76ae497300 R15: 0000000000022000 irq event stamp: 1973 hardirqs last enabled at (1983): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1992): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. netlink: 184 bytes leftover after parsing attributes in process `syz-executor.6'. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. random: crng reseeded on system resumption Restarting kernel threads ... Done restarting kernel threads. random: crng reseeded on system resumption random: crng reseeded on system resumption Restarting kernel threads ... Done restarting kernel threads. random: crng reseeded on system resumption Restarting kernel threads ... Done restarting kernel threads. audit: type=1326 audit(2000000068.653:152): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=275639 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f309edf9b19 code=0x0 random: crng reseeded on system resumption Restarting kernel threads ... Done restarting kernel threads. 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 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium serio: Serial port ptm0 audit: type=1107 audit(2000000073.758:153): pid=279685 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='Þ' audit: type=1107 audit(2000000073.765:154): pid=279685 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='Þ' audit: type=1107 audit(2000000073.930:155): pid=279898 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='Þ' audit: type=1107 audit(2000000074.119:156): pid=279920 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='Þ' audit: type=1107 audit(2000000074.156:157): pid=280060 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='Þ' No source specified No source specified