netlink: 180 bytes leftover after parsing attributes in process `syz-executor.3'. ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#0: syz-executor.1/177105 Modules linked in: CPU: 0 UID: 0 PID: 177105 Comm: syz-executor.1 Not tainted 6.18.0-rc4-next-20251104 #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+0x35b/0x3d0 Code: 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff e8 d6 dc ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 c8 dc ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff888013bafe20 EFLAGS: 00010216 RAX: 00000000000017f7 RBX: ffff88800d98bdd0 RCX: ffffc90000ac3000 RDX: 0000000000040000 RSI: ffffffff81c8ab9a RDI: 0000000000000001 RBP: ffff88801bbada01 R08: 0000000000000001 R09: ffffed1003775b57 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800d98bdd0 FS: 00007f96d506d700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2907eb9018 CR3: 0000000051722000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: switch_task_namespaces+0x3d/0x110 ksys_unshare+0x520/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96d7af7b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f96d506d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f96d7c0af60 RCX: 00007f96d7af7b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008000000 RBP: 00007f96d7b51f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0fbd7c3f R14: 00007f96d506d300 R15: 0000000000022000 irq event stamp: 999 hardirqs last enabled at (1007): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1032): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1030): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1015): [] __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.1/177105 Modules linked in: CPU: 0 UID: 0 PID: 177105 Comm: syz-executor.1 Tainted: G W 6.18.0-rc4-next-20251104 #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 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff e8 d6 dc ab ff 90 0f 0b 90 e9 8b fe ff ff e8 c8 dc ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 ba dc ab ff 90 0f 0b 90 e9 31 ff ff ff RSP: 0018:ffff888013bafe20 EFLAGS: 00010216 RAX: 000000000001ecdf RBX: ffff88800d98bdd0 RCX: ffffc90000ac3000 RDX: 0000000000040000 RSI: ffffffff81c8aba8 RDI: 0000000000000001 RBP: ffff88801a559801 R08: 0000000000000001 R09: ffffed10034ab34a R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800d98bdd0 FS: 00007f96d506d700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2907eb9018 CR3: 0000000051722000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: switch_task_namespaces+0x3d/0x110 ksys_unshare+0x520/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96d7af7b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f96d506d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f96d7c0af60 RCX: 00007f96d7af7b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000008000000 RBP: 00007f96d7b51f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0fbd7c3f R14: 00007f96d506d300 R15: 0000000000022000 irq event stamp: 1431 hardirqs last enabled at (1439): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1448): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1296): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1291): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- SELinux: unrecognized netlink message: protocol=0 nlmsg_type=98 sclass=netlink_route_socket pid=177108 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=98 sclass=netlink_route_socket pid=177108 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=98 sclass=netlink_route_socket pid=177155 comm=syz-executor.4 netlink: 180 bytes leftover after parsing attributes in process `syz-executor.3'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=98 sclass=netlink_route_socket pid=177222 comm=syz-executor.4 netlink: 180 bytes leftover after parsing attributes in process `syz-executor.3'. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=1539 sclass=netlink_xfrm_socket pid=177238 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=1539 sclass=netlink_xfrm_socket pid=177238 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=98 sclass=netlink_route_socket pid=177242 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=1539 sclass=netlink_xfrm_socket pid=177248 comm=syz-executor.6 netlink: 180 bytes leftover after parsing attributes in process `syz-executor.3'. random: crng reseeded on system resumption random: crng reseeded on system resumption ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.1/177855 Modules linked in: CPU: 0 UID: 0 PID: 177855 Comm: syz-executor.1 Tainted: G W 6.18.0-rc4-next-20251104 #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+0x33f/0x3d0 Code: ab ff 90 0f 0b 90 eb ee e8 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff88804774fe08 EFLAGS: 00010202 RAX: 0000000000001490 RBX: ffff88800d98bb60 RCX: ffffc90000ac3000 RDX: 0000000000040000 RSI: ffffffff81c8ab7e RDI: 0000000000000001 RBP: ffff888016176001 R08: 0000000000000001 R09: ffffed1002c2ed41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801e473dc0 R13: 0000000000000000 R14: ffff88800effb780 R15: ffff88804774fe98 FS: 00007f96d506d700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96d7c0b018 CR3: 000000001e966000 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/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f96d7af9107 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:00007f96d506d128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f96d7c0af60 RCX: 00007f96d7af9107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0fbd7c3f R14: 00007f96d506d300 R15: 0000000000022000 irq event stamp: 943 hardirqs last enabled at (951): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (962): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (914): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (903): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium syz_tun: entered allmulticast mode syz_tun: left allmulticast mode mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium syz_tun: entered allmulticast mode syz_tun: entered allmulticast mode mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium syz_tun: left allmulticast mode syz_tun: entered allmulticast mode syz_tun: left allmulticast mode syz_tun: entered allmulticast mode syz_tun: entered allmulticast mode syz_tun: left allmulticast mode syz_tun: left allmulticast mode mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium syz_tun: entered allmulticast mode syz_tun: left allmulticast mode syz_tun: entered allmulticast mode mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium syz_tun: left allmulticast mode audit: type=1326 audit(1762249231.405:116): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=180425 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2907da5b19 code=0x0 audit: type=1326 audit(1762249232.260:117): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=180425 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2907da5b19 code=0x0 audit: type=1326 audit(1762249232.628:118): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=180562 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f2907da5b19 code=0x0 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16