WARNING in __put_net unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x449/0x920 kernel/fork.c:3205 __do_sys_unshare kernel/fork.c:3276 [inline] __se_sys_unshare kernel/fork.c:3274 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:3274 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5080 at lib/ref_tracker.c:39 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] WARNING: CPU: 0 PID: 5080 at lib/ref_tracker.c:39 ref_tracker_dir_exit+0x3a2/0x600 lib/ref_tracker.c:38 Modules linked in: CPU: 0 PID: 5080 Comm: syz-executor.0 Not tainted 6.3.0-rc3-syzkaller-00148-gf33642224e38-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:ref_tracker_dir_exit+0x3a2/0x600 lib/ref_tracker.c:39 Code: 0f 84 c3 fe ff ff e8 2d 3d 44 fd 44 89 ff e8 c5 f9 ff ff e9 b1 fe ff ff e8 1b 3d 44 fd 48 8b 74 24 10 4c 89 ef e8 de 99 c6 05 <0f> 0b e8 07 3d 44 fd 49 8d 6d 44 be 04 00 00 00 48 89 ef e8 e6 4e RSP: 0018:ffffc90003faf9c8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888023b48210 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1cef7a2 R11: 0000000000094001 R12: ffff888023b48210 R13: ffff888023b481c0 R14: ffff888023b48210 R15: ffff88802a589e48 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555559c04160 CR3: 0000000029c85000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __put_net+0x25/0x80 net/core/net_namespace.c:655 put_net include/net/net_namespace.h:278 [inline] put_net_track include/net/net_namespace.h:364 [inline] __sk_destruct+0x60e/0x770 net/core/sock.c:2164 sk_destruct net/core/sock.c:2183 [inline] __sk_free+0x175/0x460 net/core/sock.c:2194 sk_free+0x7c/0xa0 net/core/sock.c:2205 sock_put include/net/sock.h:1968 [inline] tun_detach drivers/net/tun.c:706 [inline] tun_chr_close+0x1df/0x240 drivers/net/tun.c:3473 __fput+0x27c/0xa90 fs/file_table.c:321 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xad3/0x2960 kernel/exit.c:869 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019 get_signal+0x2315/0x25b0 kernel/signal.c:2859 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f669c08d567 Code: Unable to access opcode bytes at 0x7f669c08d53d. RSP: 002b:00007fffe9735458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: fffffffffffffffe RBX: 0000000000000003 RCX: 00007f669c08d567 RDX: 00007fffe973552c RSI: 000000000000000a RDI: 00007fffe9735520 RBP: 00007fffe9735520 R08: 00000000ffffffff R09: 00007fffe97352f0 R10: 0000555555e11853 R11: 0000000000000246 R12: 00007f669c0e6b74 R13: 00007fffe97365e0 R14: 0000555555e11810 R15: 00007fffe9736620 Warning: Permanently added '10.128.1.71' (ECDSA) to the list of known hosts. 2023/04/08 02:17:13 fuzzer started 2023/04/08 02:17:13 connecting to host at 10.128.0.169:35765 2023/04/08 02:17:13 checking machine... 2023/04/08 02:17:13 checking revisions... 2023/04/08 02:17:13 testing simple program... syzkaller login: [ 53.647304][ T5078] cgroup: Unknown subsys name 'net' [ 53.783083][ T5078] cgroup: Unknown subsys name 'rlimit' [ 53.883252][ T5076] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5076 'syz-fuzzer' [ 53.995304][ T5082] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.003083][ T5082] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.010789][ T5082] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.018697][ T5082] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.026497][ T5082] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.034176][ T5082] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.144599][ T5080] chnl_net:caif_netlink_parms(): no params data found [ 54.189332][ T5080] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.197074][ T5080] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.204655][ T5080] bridge_slave_0: entered allmulticast mode [ 54.211748][ T5080] bridge_slave_0: entered promiscuous mode [ 54.221334][ T5080] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.229411][ T5080] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.236773][ T5080] bridge_slave_1: entered allmulticast mode [ 54.243315][ T5080] bridge_slave_1: entered promiscuous mode [ 54.264071][ T5080] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.275028][ T5080] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.297913][ T5080] team0: Port device team_slave_0 added [ 54.305192][ T5080] team0: Port device team_slave_1 added [ 54.323946][ T5080] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.331090][ T5080] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.357333][ T5080] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.369941][ T5080] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.377065][ T5080] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 54.403459][ T5080] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.433413][ T5080] hsr_slave_0: entered promiscuous mode [ 54.439628][ T5080] hsr_slave_1: entered promiscuous mode [ 54.523525][ T5080] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.533900][ T5080] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.542955][ T5080] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.552263][ T5080] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.573162][ T5080] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.580377][ T5080] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.588415][ T5080] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.595658][ T5080] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.640480][ T5080] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.654220][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.665259][ T897] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.675111][ T897] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.684115][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.699340][ T5080] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.710446][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.719894][ T26] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.727069][ T26] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.738656][ T5092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.747494][ T5092] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.754840][ T5092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.780523][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.789542][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.798565][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.811348][ T5080] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.824209][ T5080] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.833418][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.842170][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.971911][ T5080] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.980165][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.987989][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.006639][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.026135][ T5080] veth0_vlan: entered promiscuous mode [ 55.033510][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.042701][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.050994][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.062437][ T5080] veth1_vlan: entered promiscuous mode [ 55.070916][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.093679][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.102224][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.114070][ T5080] veth0_macvtap: entered promiscuous mode [ 55.124159][ T5080] veth1_macvtap: entered promiscuous mode [ 55.140144][ T5080] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.148149][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.159141][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.171396][ T5080] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.179654][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.189163][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.200612][ T5080] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.210375][ T5080] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.221249][ T5080] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.230789][ T5080] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.291975][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.308248][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.318296][ T75] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.319678][ T897] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.333646][ T75] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.343091][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2023/04/08 02:17:15 building call list... executing program [ 57.383752][ T5076] damon-dbgfs: DAMON debugfs interface is deprecated, so users should move to DAMON_SYSFS. If you cannot, please report your usecase to damon@lists.linux.dev and linux-mm@kvack.org. [ 57.540595][ T5076] can: request_module (can-proto-0) failed. [ 57.573878][ T5076] can: request_module (can-proto-0) failed. [ 57.606701][ T5076] can: request_module (can-proto-0) failed. [ 58.397969][ T5080] leaked reference. [ 58.402100][ T5080] sk_alloc+0x717/0x7f0 [ 58.406303][ T5080] inet6_create+0x375/0x1130 [ 58.410937][ T5080] __sock_create+0x380/0x850 [ 58.415656][ T5080] udp_sock_create6+0xc9/0x690 [ 58.420473][ T5080] wg_socket_init+0x4da/0xb00 [ 58.425288][ T5080] wg_open+0x22c/0x4d0 [ 58.429397][ T5080] __dev_open+0x297/0x4d0 [ 58.433774][ T5080] __dev_change_flags+0x587/0x750 [ 58.438942][ T5080] dev_change_flags+0x97/0x170 [ 58.443753][ T5080] do_setlink+0x9f4/0x3d30 [ 58.448215][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.453118][ T5080] rtnl_newlink+0x68/0xa0 [ 58.457494][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.462597][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.467397][ T5080] netlink_unicast+0x547/0x7f0 [ 58.472202][ T5080] netlink_sendmsg+0x925/0xe30 [ 58.477024][ T5080] leaked reference. [ 58.480861][ T5080] sk_alloc+0x717/0x7f0 [ 58.485142][ T5080] inet_create+0x399/0xfa0 [ 58.489591][ T5080] __sock_create+0x380/0x850 [ 58.494220][ T5080] udp_sock_create4+0x96/0x490 [ 58.499027][ T5080] wg_socket_init+0x5ef/0xb00 [ 58.503755][ T5080] wg_open+0x22c/0x4d0 [ 58.507872][ T5080] __dev_open+0x297/0x4d0 [ 58.512335][ T5080] __dev_change_flags+0x587/0x750 [ 58.517407][ T5080] dev_change_flags+0x97/0x170 [ 58.522229][ T5080] do_setlink+0x9f4/0x3d30 [ 58.526685][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.531497][ T5080] rtnl_newlink+0x68/0xa0 [ 58.535869][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.540849][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.545653][ T5080] netlink_unicast+0x547/0x7f0 [ 58.550458][ T5080] netlink_sendmsg+0x925/0xe30 [ 58.555272][ T5080] leaked reference. [ 58.559103][ T5080] sk_alloc+0x717/0x7f0 [ 58.563295][ T5080] inet6_create+0x375/0x1130 [ 58.567938][ T5080] __sock_create+0x380/0x850 [ 58.572567][ T5080] udp_sock_create6+0xc9/0x690 [ 58.577379][ T5080] wg_socket_init+0x4da/0xb00 [ 58.582184][ T5080] wg_open+0x22c/0x4d0 [ 58.586377][ T5080] __dev_open+0x297/0x4d0 [ 58.590747][ T5080] __dev_change_flags+0x587/0x750 [ 58.595809][ T5080] dev_change_flags+0x97/0x170 [ 58.600785][ T5080] do_setlink+0x9f4/0x3d30 [ 58.605248][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.610406][ T5080] rtnl_newlink+0x68/0xa0 [ 58.614793][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.619773][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.624580][ T5080] netlink_unicast+0x547/0x7f0 [ 58.629392][ T5080] netlink_sendmsg+0x925/0xe30 [ 58.634380][ T5080] leaked reference. [ 58.638299][ T5080] sk_alloc+0x717/0x7f0 [ 58.642581][ T5080] inet_create+0x399/0xfa0 [ 58.647642][ T5080] __sock_create+0x380/0x850 [ 58.652285][ T5080] udp_sock_create4+0x96/0x490 [ 58.657096][ T5080] wg_socket_init+0x5ef/0xb00 [ 58.661996][ T5080] wg_open+0x22c/0x4d0 [ 58.666455][ T5080] __dev_open+0x297/0x4d0 [ 58.670828][ T5080] __dev_change_flags+0x587/0x750 [ 58.675904][ T5080] dev_change_flags+0x97/0x170 [ 58.680716][ T5080] do_setlink+0x9f4/0x3d30 [ 58.685263][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.690082][ T5080] rtnl_newlink+0x68/0xa0 [ 58.694462][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.699819][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.704764][ T5080] netlink_unicast+0x547/0x7f0 [ 58.709588][ T5080] netlink_sendmsg+0x925/0xe30 [ 58.714424][ T5080] leaked reference. [ 58.718331][ T5080] sk_alloc+0x717/0x7f0 [ 58.722793][ T5080] inet6_create+0x375/0x1130 [ 58.727437][ T5080] __sock_create+0x380/0x850 [ 58.732255][ T5080] udp_sock_create6+0xc9/0x690 [ 58.737071][ T5080] wg_socket_init+0x4da/0xb00 [ 58.741792][ T5080] wg_open+0x22c/0x4d0 [ 58.745899][ T5080] __dev_open+0x297/0x4d0 [ 58.750275][ T5080] __dev_change_flags+0x587/0x750 [ 58.755611][ T5080] dev_change_flags+0x97/0x170 [ 58.760430][ T5080] do_setlink+0x9f4/0x3d30 [ 58.764891][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.769713][ T5080] rtnl_newlink+0x68/0xa0 [ 58.774194][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.779185][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.784643][ T5080] netlink_unicast+0x547/0x7f0 [ 58.789606][ T5080] netlink_sendmsg+0x925/0xe30 [ 58.794793][ T5080] leaked reference. [ 58.799241][ T5080] sk_alloc+0x717/0x7f0 [ 58.803524][ T5080] inet_create+0x399/0xfa0 [ 58.808122][ T5080] __sock_create+0x380/0x850 [ 58.813024][ T5080] udp_sock_create4+0x96/0x490 [ 58.818098][ T5080] wg_socket_init+0x5ef/0xb00 [ 58.823055][ T5080] wg_open+0x22c/0x4d0 [ 58.827274][ T5080] __dev_open+0x297/0x4d0 [ 58.832087][ T5080] __dev_change_flags+0x587/0x750 [ 58.837928][ T5080] dev_change_flags+0x97/0x170 [ 58.842924][ T5080] do_setlink+0x9f4/0x3d30 [ 58.847479][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.852302][ T5080] rtnl_newlink+0x68/0xa0 [ 58.856695][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.862301][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.867138][ T5080] netlink_unicast+0x547/0x7f0 [ 58.871948][ T5080] netlink_sendmsg+0x925/0xe30 [ 58.876776][ T5080] leaked reference. [ 58.880949][ T5080] sk_alloc+0x717/0x7f0 [ 58.885203][ T5080] inet6_create+0x375/0x1130 [ 58.889840][ T5080] __sock_create+0x380/0x850 [ 58.894609][ T5080] udp_sock_create6+0xc9/0x690 [ 58.899425][ T5080] geneve_create_sock+0x219/0x250 [ 58.899491][ T5080] geneve_sock_add+0x573/0x910 [ 58.899514][ T5080] geneve_open+0x9e/0x1c0 [ 58.899535][ T5080] __dev_open+0x297/0x4d0 [ 58.899567][ T5080] __dev_change_flags+0x587/0x750 [ 58.899602][ T5080] dev_change_flags+0x97/0x170 [ 58.899631][ T5080] do_setlink+0x9f4/0x3d30 [ 58.899663][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.899699][ T5080] rtnl_newlink+0x68/0xa0 [ 58.899736][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.899774][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.899811][ T5080] netlink_unicast+0x547/0x7f0 [ 58.899862][ T5080] leaked reference. [ 58.899868][ T5080] sk_alloc+0x717/0x7f0 [ 58.899898][ T5080] inet_create+0x399/0xfa0 [ 58.899927][ T5080] __sock_create+0x380/0x850 [ 58.899963][ T5080] udp_sock_create4+0x96/0x490 [ 58.899997][ T5080] geneve_create_sock+0xe2/0x250 [ 58.900022][ T5080] geneve_sock_add+0x573/0x910 [ 58.900047][ T5080] geneve_open+0xd6/0x1c0 [ 58.900071][ T5080] __dev_open+0x297/0x4d0 [ 58.900109][ T5080] __dev_change_flags+0x587/0x750 [ 58.900145][ T5080] dev_change_flags+0x97/0x170 [ 58.900179][ T5080] do_setlink+0x9f4/0x3d30 [ 58.900213][ T5080] __rtnl_newlink+0xd69/0x1840 [ 58.900248][ T5080] rtnl_newlink+0x68/0xa0 [ 58.900283][ T5080] rtnetlink_rcv_msg+0x43d/0xd50 [ 58.900318][ T5080] netlink_rcv_skb+0x165/0x440 [ 58.900350][ T5080] netlink_unicast+0x547/0x7f0 [ 58.900389][ T5080] leaked reference. [ 58.900395][ T5080] sk_alloc+0x717/0x7f0 [ 59.050695][ T5080] inet6_create+0x375/0x1130 [ 59.055471][ T5080] __sock_create+0x380/0x850 [ 59.060262][ T5080] udp_sock_create6+0xc9/0x690 [ 59.065225][ T5080] rxrpc_open_socket+0x20b/0x750 [ 59.070877][ T5080] rxrpc_lookup_local+0xc13/0x11d0 [ 59.076727][ T5080] rxrpc_bind+0x35e/0x5a0 [ 59.081259][ T5080] afs_open_socket+0x1b4/0x360 [ 59.086437][ T5080] afs_net_init+0x990/0xc90 [ 59.091248][ T5080] ops_init+0xb9/0x6b0 [ 59.095344][ T5080] setup_net+0x5d1/0xc50 [ 59.099764][ T5080] copy_net_ns+0x4ef/0x990 [ 59.104189][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.109672][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.115465][ T5080] ksys_unshare+0x449/0x920 [ 59.120226][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.125029][ T5080] leaked reference. [ 59.128954][ T5080] sk_alloc+0x717/0x7f0 [ 59.133210][ T5080] rxrpc_create+0x111/0x7d0 [ 59.137810][ T5080] __sock_create+0x380/0x850 [ 59.142423][ T5080] afs_open_socket+0xb0/0x360 [ 59.147210][ T5080] afs_net_init+0x990/0xc90 [ 59.151755][ T5080] ops_init+0xb9/0x6b0 [ 59.155837][ T5080] setup_net+0x5d1/0xc50 [ 59.160080][ T5080] copy_net_ns+0x4ef/0x990 [ 59.164497][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.169788][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.175423][ T5080] ksys_unshare+0x449/0x920 [ 59.180024][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.185172][ T5080] do_syscall_64+0x39/0xb0 [ 59.189599][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.195638][ T5080] leaked reference. [ 59.199525][ T5080] sk_alloc+0x717/0x7f0 [ 59.203702][ T5080] tipc_sk_create+0xe5/0x1f30 [ 59.208526][ T5080] __sock_create+0x380/0x850 [ 59.213134][ T5080] tipc_topsrv_init_net+0x4de/0x9e0 [ 59.218333][ T5080] ops_init+0xb9/0x6b0 [ 59.222418][ T5080] setup_net+0x5d1/0xc50 [ 59.226792][ T5080] copy_net_ns+0x4ef/0x990 [ 59.231514][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.236993][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.242627][ T5080] ksys_unshare+0x449/0x920 [ 59.248424][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.253347][ T5080] do_syscall_64+0x39/0xb0 [ 59.257782][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.263789][ T5080] leaked reference. [ 59.267583][ T5080] sk_alloc+0x717/0x7f0 [ 59.272003][ T5080] inet6_create+0x375/0x1130 [ 59.276628][ T5080] __sock_create+0x380/0x850 [ 59.281227][ T5080] rds_tcp_listen_init+0xba/0x4e0 [ 59.286293][ T5080] rds_tcp_init_net+0x135/0x3e0 [ 59.291248][ T5080] ops_init+0xb9/0x6b0 [ 59.295316][ T5080] setup_net+0x5d1/0xc50 [ 59.299579][ T5080] copy_net_ns+0x4ef/0x990 [ 59.303991][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.309273][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.314903][ T5080] ksys_unshare+0x449/0x920 [ 59.319423][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.324203][ T5080] do_syscall_64+0x39/0xb0 [ 59.328979][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.335102][ T5080] leaked reference. [ 59.338928][ T5080] sk_alloc+0x717/0x7f0 [ 59.343176][ T5080] __netlink_create+0x63/0x380 [ 59.348034][ T5080] __netlink_kernel_create+0x114/0x860 [ 59.353501][ T5080] rdma_nl_net_init+0xb4/0x180 [ 59.358624][ T5080] rdma_dev_init_net+0x187/0x510 [ 59.363560][ T5080] ops_init+0xb9/0x6b0 [ 59.367648][ T5080] setup_net+0x5d1/0xc50 [ 59.371906][ T5080] copy_net_ns+0x4ef/0x990 [ 59.376373][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.381662][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.387395][ T5080] ksys_unshare+0x449/0x920 [ 59.391919][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.396698][ T5080] do_syscall_64+0x39/0xb0 [ 59.401356][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.407297][ T5080] leaked reference. [ 59.411115][ T5080] sk_alloc+0x717/0x7f0 [ 59.415376][ T5080] inet6_create+0x375/0x1130 [ 59.419980][ T5080] __sock_create+0x380/0x850 [ 59.424582][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.429874][ T5080] sctp_ctrlsock_init+0x40/0x100 [ 59.434817][ T5080] ops_init+0xb9/0x6b0 [ 59.438887][ T5080] setup_net+0x5d1/0xc50 [ 59.443134][ T5080] copy_net_ns+0x4ef/0x990 [ 59.447872][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.453165][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.458820][ T5080] ksys_unshare+0x449/0x920 [ 59.463331][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.468113][ T5080] do_syscall_64+0x39/0xb0 [ 59.472527][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.478485][ T5080] leaked reference. [ 59.482291][ T5080] sk_alloc+0x717/0x7f0 [ 59.486483][ T5080] inet6_create+0x375/0x1130 [ 59.491096][ T5080] __sock_create+0x380/0x850 [ 59.495723][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.500835][ T5080] dccp_v6_init_net+0x65/0x90 [ 59.505513][ T5080] ops_init+0xb9/0x6b0 [ 59.509576][ T5080] setup_net+0x5d1/0xc50 [ 59.513835][ T5080] copy_net_ns+0x4ef/0x990 [ 59.518335][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.523616][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.529340][ T5080] ksys_unshare+0x449/0x920 [ 59.533945][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.538922][ T5080] do_syscall_64+0x39/0xb0 [ 59.543693][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.549702][ T5080] leaked reference. [ 59.553497][ T5080] sk_alloc+0x717/0x7f0 [ 59.557660][ T5080] inet_create+0x399/0xfa0 [ 59.562084][ T5080] __sock_create+0x380/0x850 [ 59.566764][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.572044][ T5080] dccp_v4_init_net+0x65/0x90 [ 59.576721][ T5080] ops_init+0xb9/0x6b0 [ 59.580787][ T5080] setup_net+0x5d1/0xc50 [ 59.585116][ T5080] copy_net_ns+0x4ef/0x990 [ 59.589536][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.594823][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.600486][ T5080] ksys_unshare+0x449/0x920 [ 59.605076][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.609856][ T5080] do_syscall_64+0x39/0xb0 [ 59.614269][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.620183][ T5080] leaked reference. [ 59.623973][ T5080] sk_alloc+0x717/0x7f0 [ 59.628125][ T5080] inet6_create+0x375/0x1130 [ 59.632731][ T5080] __sock_create+0x380/0x850 [ 59.637322][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.642471][ T5080] ops_init+0xb9/0x6b0 [ 59.646582][ T5080] setup_net+0x5d1/0xc50 [ 59.650844][ T5080] copy_net_ns+0x4ef/0x990 [ 59.655276][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.660595][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.666242][ T5080] ksys_unshare+0x449/0x920 [ 59.670759][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.675524][ T5080] do_syscall_64+0x39/0xb0 [ 59.679966][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.685890][ T5080] leaked reference. [ 59.689710][ T5080] sk_alloc+0x717/0x7f0 [ 59.693882][ T5080] inet6_create+0x375/0x1130 [ 59.698490][ T5080] __sock_create+0x380/0x850 [ 59.703084][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.708196][ T5080] igmp6_net_init+0x1c1/0x460 [ 59.712907][ T5080] ops_init+0xb9/0x6b0 [ 59.716975][ T5080] setup_net+0x5d1/0xc50 [ 59.721218][ T5080] copy_net_ns+0x4ef/0x990 [ 59.725720][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.731004][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.736639][ T5080] ksys_unshare+0x449/0x920 [ 59.741139][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.745899][ T5080] do_syscall_64+0x39/0xb0 [ 59.750310][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.756262][ T5080] leaked reference. [ 59.760165][ T5080] sk_alloc+0x717/0x7f0 [ 59.764320][ T5080] inet6_create+0x375/0x1130 [ 59.768914][ T5080] __sock_create+0x380/0x850 [ 59.773598][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.778798][ T5080] igmp6_net_init+0x35/0x460 [ 59.783462][ T5080] ops_init+0xb9/0x6b0 [ 59.787528][ T5080] setup_net+0x5d1/0xc50 [ 59.791776][ T5080] copy_net_ns+0x4ef/0x990 [ 59.796204][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.801510][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.807142][ T5080] ksys_unshare+0x449/0x920 [ 59.811662][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.816474][ T5080] do_syscall_64+0x39/0xb0 [ 59.820981][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.826978][ T5080] leaked reference. [ 59.830812][ T5080] sk_alloc+0x717/0x7f0 [ 59.834964][ T5080] inet6_create+0x375/0x1130 [ 59.839644][ T5080] __sock_create+0x380/0x850 [ 59.844235][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 59.849341][ T5080] ndisc_net_init+0x7f/0x230 [ 59.853945][ T5080] ops_init+0xb9/0x6b0 [ 59.858027][ T5080] setup_net+0x5d1/0xc50 [ 59.862266][ T5080] copy_net_ns+0x4ef/0x990 [ 59.866679][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.872060][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.877706][ T5080] ksys_unshare+0x449/0x920 [ 59.882224][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.887009][ T5080] do_syscall_64+0x39/0xb0 [ 59.891457][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.897378][ T5080] leaked reference. [ 59.901204][ T5080] sk_alloc+0x717/0x7f0 [ 59.905370][ T5080] __netlink_create+0x63/0x380 [ 59.910156][ T5080] __netlink_kernel_create+0x114/0x860 [ 59.915634][ T5080] xfrm_user_net_init+0xa3/0x160 [ 59.920747][ T5080] ops_init+0xb9/0x6b0 [ 59.924858][ T5080] setup_net+0x5d1/0xc50 [ 59.929136][ T5080] copy_net_ns+0x4ef/0x990 [ 59.933666][ T5080] create_new_namespaces+0x3f6/0xb20 [ 59.939216][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.944952][ T5080] ksys_unshare+0x449/0x920 [ 59.949643][ T5080] __x64_sys_unshare+0x31/0x40 [ 59.954633][ T5080] do_syscall_64+0x39/0xb0 [ 59.959095][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.965024][ T5080] leaked reference. [ 59.968819][ T5080] sk_alloc+0x717/0x7f0 [ 59.973149][ T5080] __netlink_create+0x63/0x380 [ 59.978000][ T5080] __netlink_kernel_create+0x114/0x860 [ 59.983672][ T5080] nfnetlink_net_init+0xc9/0x150 [ 59.989070][ T5080] ops_init+0xb9/0x6b0 [ 59.993179][ T5080] setup_net+0x5d1/0xc50 [ 59.997453][ T5080] copy_net_ns+0x4ef/0x990 [ 60.001904][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.007208][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.013206][ T5080] ksys_unshare+0x449/0x920 [ 60.017718][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.022672][ T5080] do_syscall_64+0x39/0xb0 [ 60.027115][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.033046][ T5080] leaked reference. [ 60.036851][ T5080] sk_alloc+0x717/0x7f0 [ 60.041026][ T5080] __netlink_create+0x63/0x380 [ 60.045807][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.051284][ T5080] diag_net_init+0xc0/0x140 [ 60.055826][ T5080] ops_init+0xb9/0x6b0 [ 60.060093][ T5080] setup_net+0x5d1/0xc50 [ 60.064346][ T5080] copy_net_ns+0x4ef/0x990 [ 60.068772][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.074077][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.079713][ T5080] ksys_unshare+0x449/0x920 [ 60.084304][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.089065][ T5080] do_syscall_64+0x39/0xb0 [ 60.093476][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.099416][ T5080] leaked reference. [ 60.103225][ T5080] sk_alloc+0x717/0x7f0 [ 60.107391][ T5080] __netlink_create+0x63/0x380 [ 60.112349][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.117843][ T5080] crypto_netlink_init+0x9c/0x120 [ 60.122881][ T5080] ops_init+0xb9/0x6b0 [ 60.126951][ T5080] setup_net+0x5d1/0xc50 [ 60.131198][ T5080] copy_net_ns+0x4ef/0x990 [ 60.135615][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.140898][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.146532][ T5080] ksys_unshare+0x449/0x920 [ 60.151164][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.155969][ T5080] do_syscall_64+0x39/0xb0 [ 60.160406][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.166329][ T5080] leaked reference. [ 60.170228][ T5080] sk_alloc+0x717/0x7f0 [ 60.174564][ T5080] inet_create+0x399/0xfa0 [ 60.179077][ T5080] __sock_create+0x380/0x850 [ 60.183859][ T5080] inet_ctl_sock_create+0x8d/0x220 [ 60.189007][ T5080] igmp_net_init+0xd0/0x1b0 [ 60.193561][ T5080] ops_init+0xb9/0x6b0 [ 60.197658][ T5080] setup_net+0x5d1/0xc50 [ 60.201917][ T5080] copy_net_ns+0x4ef/0x990 [ 60.206779][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.212172][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.217901][ T5080] ksys_unshare+0x449/0x920 [ 60.222502][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.227420][ T5080] do_syscall_64+0x39/0xb0 [ 60.232021][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.238038][ T5080] leaked reference. [ 60.241836][ T5080] sk_alloc+0x717/0x7f0 [ 60.246001][ T5080] __netlink_create+0x63/0x380 [ 60.250780][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.256275][ T5080] fib_net_init+0x21b/0x3c0 [ 60.260822][ T5080] ops_init+0xb9/0x6b0 [ 60.264991][ T5080] setup_net+0x5d1/0xc50 [ 60.269240][ T5080] copy_net_ns+0x4ef/0x990 [ 60.273676][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.278962][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.284599][ T5080] ksys_unshare+0x449/0x920 [ 60.289103][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.294136][ T5080] do_syscall_64+0x39/0xb0 [ 60.298561][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.304582][ T5080] leaked reference. [ 60.308472][ T5080] sk_alloc+0x717/0x7f0 [ 60.312637][ T5080] __netlink_create+0x63/0x380 [ 60.317502][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.323005][ T5080] uevent_net_init+0xfb/0x360 [ 60.327693][ T5080] ops_init+0xb9/0x6b0 [ 60.331776][ T5080] setup_net+0x5d1/0xc50 [ 60.336670][ T5080] copy_net_ns+0x4ef/0x990 [ 60.341169][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.346653][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.352347][ T5080] ksys_unshare+0x449/0x920 [ 60.356956][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.361933][ T5080] do_syscall_64+0x39/0xb0 [ 60.366386][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.372606][ T5080] leaked reference. [ 60.376436][ T5080] sk_alloc+0x717/0x7f0 [ 60.380606][ T5080] __netlink_create+0x63/0x380 [ 60.385389][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.390890][ T5080] audit_net_init+0x1b8/0x450 [ 60.395770][ T5080] ops_init+0xb9/0x6b0 [ 60.399934][ T5080] setup_net+0x5d1/0xc50 [ 60.404274][ T5080] copy_net_ns+0x4ef/0x990 [ 60.408698][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.413992][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.419761][ T5080] ksys_unshare+0x449/0x920 [ 60.424277][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.429041][ T5080] do_syscall_64+0x39/0xb0 [ 60.433541][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.439452][ T5080] leaked reference. [ 60.443257][ T5080] sk_alloc+0x717/0x7f0 [ 60.447508][ T5080] __netlink_create+0x63/0x380 [ 60.452281][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.457852][ T5080] genl_pernet_init+0xad/0x160 [ 60.462721][ T5080] ops_init+0xb9/0x6b0 [ 60.466802][ T5080] setup_net+0x5d1/0xc50 [ 60.471096][ T5080] copy_net_ns+0x4ef/0x990 [ 60.475515][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.480816][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.486749][ T5080] ksys_unshare+0x449/0x920 [ 60.491259][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.496026][ T5080] do_syscall_64+0x39/0xb0 [ 60.500447][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.506359][ T5080] leaked reference. [ 60.510169][ T5080] sk_alloc+0x717/0x7f0 [ 60.514334][ T5080] __netlink_create+0x63/0x380 [ 60.519108][ T5080] __netlink_kernel_create+0x114/0x860 [ 60.524631][ T5080] rtnetlink_net_init+0xbc/0x140 [ 60.529576][ T5080] ops_init+0xb9/0x6b0 [ 60.533669][ T5080] setup_net+0x5d1/0xc50 [ 60.537917][ T5080] copy_net_ns+0x4ef/0x990 [ 60.542337][ T5080] create_new_namespaces+0x3f6/0xb20 [ 60.547624][ T5080] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 60.553256][ T5080] ksys_unshare+0x449/0x920 executing program [ 60.557763][ T5080] __x64_sys_unshare+0x31/0x40 [ 60.562564][ T5080] do_syscall_64+0x39/0xb0 [ 60.567064][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.602770][ T5080] ------------[ cut here ]------------ [ 60.608665][ T5080] WARNING: CPU: 0 PID: 5080 at lib/ref_tracker.c:39 ref_tracker_dir_exit+0x3a2/0x600 [ 60.618219][ T5080] Modules linked in: [ 60.622147][ T5080] CPU: 0 PID: 5080 Comm: syz-executor.0 Not tainted 6.3.0-rc3-syzkaller-00148-gf33642224e38-dirty #0 [ 60.633255][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 60.643391][ T5080] RIP: 0010:ref_tracker_dir_exit+0x3a2/0x600 [ 60.649568][ T5080] Code: 0f 84 c3 fe ff ff e8 2d 3d 44 fd 44 89 ff e8 c5 f9 ff ff e9 b1 fe ff ff e8 1b 3d 44 fd 48 8b 74 24 10 4c 89 ef e8 de 99 c6 05 <0f> 0b e8 07 3d 44 fd 49 8d 6d 44 be 04 00 00 00 48 89 ef e8 e6 4e [ 60.669510][ T5080] RSP: 0018:ffffc90003faf9c8 EFLAGS: 00010246 [ 60.675617][ T5080] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 60.683768][ T5080] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001 [ 60.691917][ T5080] RBP: ffff888023b48210 R08: 0000000000000001 R09: 0000000000000001 [ 60.699984][ T5080] R10: fffffbfff1cef7a2 R11: 0000000000094001 R12: ffff888023b48210 [ 60.708199][ T5080] R13: ffff888023b481c0 R14: ffff888023b48210 R15: ffff88802a589e48 [ 60.716273][ T5080] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 60.725599][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.732293][ T5080] CR2: 0000555559c04160 CR3: 0000000029c85000 CR4: 00000000003506f0 [ 60.740532][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.748686][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.756820][ T5080] Call Trace: [ 60.760129][ T5080] [ 60.763123][ T5080] __put_net+0x25/0x80 [ 60.767379][ T5080] __sk_destruct+0x60e/0x770 [ 60.772271][ T5080] __sk_free+0x175/0x460 [ 60.776616][ T5080] sk_free+0x7c/0xa0 [ 60.780546][ T5080] tun_chr_close+0x1df/0x240 [ 60.785553][ T5080] __fput+0x27c/0xa90 [ 60.790245][ T5080] ? __tun_detach+0x1400/0x1400 [ 60.795309][ T5080] task_work_run+0x16f/0x270 [ 60.800935][ T5080] ? task_work_cancel+0x30/0x30 [ 60.806925][ T5080] do_exit+0xad3/0x2960 [ 60.811399][ T5080] ? find_held_lock+0x2d/0x110 [ 60.816301][ T5080] ? get_signal+0x89d/0x25b0 [ 60.821047][ T5080] ? mm_update_next_owner+0x7b0/0x7b0 [ 60.826545][ T5080] ? do_raw_spin_lock+0x124/0x2b0 [ 60.831705][ T5080] ? spin_bug+0x1c0/0x1c0 [ 60.836578][ T5080] do_group_exit+0xd4/0x2a0 [ 60.841144][ T5080] get_signal+0x2315/0x25b0 [ 60.845750][ T5080] ? lockdep_hardirqs_on+0x7d/0x100 [ 60.851290][ T5080] ? exit_signals+0x910/0x910 [ 60.856012][ T5080] ? slab_free_freelist_hook+0x8b/0x1c0 [ 60.862100][ T5080] ? putname+0x102/0x140 [ 60.866524][ T5080] arch_do_signal_or_restart+0x79/0x5c0 [ 60.872130][ T5080] ? get_sigframe_size+0x10/0x10 [ 60.877309][ T5080] ? putname+0x102/0x140 [ 60.881790][ T5080] ? __x64_sys_umount+0x118/0x190 [ 60.887118][ T5080] exit_to_user_mode_prepare+0x15f/0x250 [ 60.892903][ T5080] syscall_exit_to_user_mode+0x1d/0x50 [ 60.898430][ T5080] do_syscall_64+0x46/0xb0 [ 60.902969][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.909014][ T5080] RIP: 0033:0x7f669c08d567 [ 60.913716][ T5080] Code: Unable to access opcode bytes at 0x7f669c08d53d. [ 60.920796][ T5080] RSP: 002b:00007fffe9735458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 60.929995][ T5080] RAX: fffffffffffffffe RBX: 0000000000000003 RCX: 00007f669c08d567 [ 60.938218][ T5080] RDX: 00007fffe973552c RSI: 000000000000000a RDI: 00007fffe9735520 [ 60.947047][ T5080] RBP: 00007fffe9735520 R08: 00000000ffffffff R09: 00007fffe97352f0 [ 60.955920][ T5080] R10: 0000555555e11853 R11: 0000000000000246 R12: 00007f669c0e6b74 [ 60.963947][ T5080] R13: 00007fffe97365e0 R14: 0000555555e11810 R15: 00007fffe9736620 [ 60.972140][ T5080] [ 60.975349][ T5080] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.982626][ T5080] CPU: 0 PID: 5080 Comm: syz-executor.0 Not tainted 6.3.0-rc3-syzkaller-00148-gf33642224e38-dirty #0 [ 60.993470][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 61.003796][ T5080] Call Trace: [ 61.007088][ T5080] [ 61.010074][ T5080] dump_stack_lvl+0xd9/0x150 [ 61.014684][ T5080] panic+0x688/0x730 [ 61.018593][ T5080] ? panic_smp_self_stop+0x90/0x90 [ 61.024596][ T5080] ? show_trace_log_lvl+0x285/0x390 [ 61.030052][ T5080] ? ref_tracker_dir_exit+0x3a2/0x600 [ 61.035663][ T5080] check_panic_on_warn+0xb1/0xc0 [ 61.040823][ T5080] __warn+0xf2/0x390 [ 61.044735][ T5080] ? ref_tracker_dir_exit+0x3a2/0x600 [ 61.050157][ T5080] report_bug+0x2da/0x500 [ 61.054588][ T5080] handle_bug+0x3c/0x70 [ 61.058761][ T5080] exc_invalid_op+0x18/0x50 [ 61.063728][ T5080] asm_exc_invalid_op+0x1a/0x20 [ 61.068869][ T5080] RIP: 0010:ref_tracker_dir_exit+0x3a2/0x600 [ 61.074898][ T5080] Code: 0f 84 c3 fe ff ff e8 2d 3d 44 fd 44 89 ff e8 c5 f9 ff ff e9 b1 fe ff ff e8 1b 3d 44 fd 48 8b 74 24 10 4c 89 ef e8 de 99 c6 05 <0f> 0b e8 07 3d 44 fd 49 8d 6d 44 be 04 00 00 00 48 89 ef e8 e6 4e [ 61.095761][ T5080] RSP: 0018:ffffc90003faf9c8 EFLAGS: 00010246 [ 61.102393][ T5080] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 61.110743][ T5080] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001 [ 61.118811][ T5080] RBP: ffff888023b48210 R08: 0000000000000001 R09: 0000000000000001 [ 61.126880][ T5080] R10: fffffbfff1cef7a2 R11: 0000000000094001 R12: ffff888023b48210 [ 61.134870][ T5080] R13: ffff888023b481c0 R14: ffff888023b48210 R15: ffff88802a589e48 [ 61.142890][ T5080] ? ref_tracker_dir_exit+0x3a2/0x600 [ 61.148312][ T5080] __put_net+0x25/0x80 [ 61.154592][ T5080] __sk_destruct+0x60e/0x770 [ 61.160017][ T5080] __sk_free+0x175/0x460 [ 61.164288][ T5080] sk_free+0x7c/0xa0 [ 61.168205][ T5080] tun_chr_close+0x1df/0x240 [ 61.172919][ T5080] __fput+0x27c/0xa90 [ 61.176933][ T5080] ? __tun_detach+0x1400/0x1400 [ 61.181840][ T5080] task_work_run+0x16f/0x270 [ 61.186646][ T5080] ? task_work_cancel+0x30/0x30 [ 61.192320][ T5080] do_exit+0xad3/0x2960 [ 61.196604][ T5080] ? find_held_lock+0x2d/0x110 [ 61.201576][ T5080] ? get_signal+0x89d/0x25b0 [ 61.206271][ T5080] ? mm_update_next_owner+0x7b0/0x7b0 [ 61.211670][ T5080] ? do_raw_spin_lock+0x124/0x2b0 [ 61.216712][ T5080] ? spin_bug+0x1c0/0x1c0 [ 61.221063][ T5080] do_group_exit+0xd4/0x2a0 [ 61.225601][ T5080] get_signal+0x2315/0x25b0 [ 61.230139][ T5080] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.235376][ T5080] ? exit_signals+0x910/0x910 [ 61.240106][ T5080] ? slab_free_freelist_hook+0x8b/0x1c0 [ 61.245774][ T5080] ? putname+0x102/0x140 [ 61.250057][ T5080] arch_do_signal_or_restart+0x79/0x5c0 [ 61.255632][ T5080] ? get_sigframe_size+0x10/0x10 [ 61.260677][ T5080] ? putname+0x102/0x140 [ 61.264951][ T5080] ? __x64_sys_umount+0x118/0x190 [ 61.271995][ T5080] exit_to_user_mode_prepare+0x15f/0x250 [ 61.277824][ T5080] syscall_exit_to_user_mode+0x1d/0x50 [ 61.283329][ T5080] do_syscall_64+0x46/0xb0 [ 61.287765][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.293679][ T5080] RIP: 0033:0x7f669c08d567 [ 61.298195][ T5080] Code: Unable to access opcode bytes at 0x7f669c08d53d. [ 61.305479][ T5080] RSP: 002b:00007fffe9735458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 61.313908][ T5080] RAX: fffffffffffffffe RBX: 0000000000000003 RCX: 00007f669c08d567 [ 61.321887][ T5080] RDX: 00007fffe973552c RSI: 000000000000000a RDI: 00007fffe9735520 [ 61.329889][ T5080] RBP: 00007fffe9735520 R08: 00000000ffffffff R09: 00007fffe97352f0 [ 61.337891][ T5080] R10: 0000555555e11853 R11: 0000000000000246 R12: 00007f669c0e6b74 [ 61.345873][ T5080] R13: 00007fffe97365e0 R14: 0000555555e11810 R15: 00007fffe9736620 [ 61.353876][ T5080] [ 61.357151][ T5080] Kernel Offset: disabled [ 61.361660][ T5080] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) GO111MODULE="auto" GOARCH="amd64" GOBIN="" GOCACHE="/syzkaller/.cache/go-build" GOENV="/syzkaller/.config/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOINSECURE="" GOMODCACHE="/syzkaller/jobs-2/linux/gopath/pkg/mod" GONOPROXY="" GONOSUMDB="" GOOS="linux" GOPATH="/syzkaller/jobs-2/linux/gopath" GOPRIVATE="" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" GOVCS="" GOVERSION="go1.20.1" GCCGO="gccgo" GOAMD64="v1" AR="ar" CC="gcc" CXX="g++" CGO_ENABLED="1" GOMOD="/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod" GOWORK="" CGO_CFLAGS="-O2 -g" CGO_CPPFLAGS="" CGO_CXXFLAGS="-O2 -g" CGO_FFLAGS="-O2 -g" CGO_LDFLAGS="-O2 -g" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build737377994=/tmp/go-build -gno-record-gcc-switches" git status (err=) HEAD detached at fbf0499ac nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=fbf0499acc828df26995835e51d83c3a0117e716 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230324-165937'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=fbf0499acc828df26995835e51d83c3a0117e716 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230324-165937'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=fbf0499acc828df26995835e51d83c3a0117e716 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20230324-165937'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"fbf0499acc828df26995835e51d83c3a0117e716\"