possible deadlock in lapbeth_device_event ============================================ WARNING: possible recursive locking detected 6.14.0-syzkaller-g91e5bfe317d8 #0 Not tainted -------------------------------------------- dhcpcd/5656 is trying to acquire lock: ffff8880337f0d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff8880337f0d30 (&dev->lock){+.+.}-{4:4}, at: netif_napi_add_weight include/linux/netdevice.h:2783 [inline] ffff8880337f0d30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline] ffff8880337f0d30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460 but task is already holding lock: ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline] ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&dev->lock); lock(&dev->lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by dhcpcd/5656: #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x26d/0x1f50 net/ipv4/devinet.c:1121 #1: ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] #1: ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] #1: ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline] #1: ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67 stack backtrace: CPU: 2 UID: 0 PID: 5656 Comm: dhcpcd Not tainted 6.14.0-syzkaller-g91e5bfe317d8 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_deadlock_bug+0x1e9/0x240 kernel/locking/lockdep.c:3042 check_deadlock kernel/locking/lockdep.c:3094 [inline] validate_chain kernel/locking/lockdep.c:3896 [inline] __lock_acquire+0xff7/0x1ba0 kernel/locking/lockdep.c:5235 lock_acquire kernel/locking/lockdep.c:5866 [inline] lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5823 __mutex_lock_common kernel/locking/mutex.c:601 [inline] __mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746 netdev_lock include/linux/netdevice.h:2751 [inline] netif_napi_add_weight include/linux/netdevice.h:2783 [inline] lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline] lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460 notifier_call_chain+0xb9/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2180 call_netdevice_notifiers_extack net/core/dev.c:2218 [inline] call_netdevice_notifiers net/core/dev.c:2232 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9409 netif_change_flags+0x108/0x160 net/core/dev.c:9438 dev_change_flags+0xba/0x250 net/core/dev_api.c:68 devinet_ioctl+0x11d5/0x1f50 net/ipv4/devinet.c:1200 inet_ioctl+0x3a7/0x3f0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0x115/0x280 net/socket.c:1190 sock_ioctl+0x227/0x6b0 net/socket.c:1311 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7effb2a0ed49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffe03497168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007effb29406c0 RCX: 00007effb2a0ed49 RDX: 00007ffe034a7358 RSI: 0000000000008914 RDI: 0000000000000016 RBP: 00007ffe034b7518 R08: 00007ffe034a7318 R09: 00007ffe034a72c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe034a7358 R14: 0000000000000028 R15: 0000000000008914 [ 44.801982][ T40] audit: type=1400 audit(1743556317.002:83): avc: denied { read } for pid=5338 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 44.808708][ T40] audit: type=1400 audit(1743556317.012:84): avc: denied { append } for pid=5338 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.815429][ T40] audit: type=1400 audit(1743556317.012:85): avc: denied { open } for pid=5338 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 44.821558][ T40] audit: type=1400 audit(1743556317.012:86): avc: denied { getattr } for pid=5338 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 Warning: Permanently added '[localhost]:7378' (ED25519) to the list of known hosts. [ 51.725366][ T40] audit: type=1400 audit(1743556323.932:87): avc: denied { execute } for pid=5934 comm="sh" name="syz-execprog" dev="sda1" ino=1924 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 51.731573][ T40] audit: type=1400 audit(1743556323.932:88): avc: denied { execute_no_trans } for pid=5934 comm="sh" path="/syz-execprog" dev="sda1" ino=1924 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 2025/04/02 01:12:04 ignoring optional flag "sandboxArg"="0" [ 52.096344][ T40] audit: type=1400 audit(1743556324.302:89): avc: denied { write } for pid=5934 comm="syz-execprog" path="pipe:[5749]" dev="pipefs" ino=5749 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 2025/04/02 01:12:04 parsed 1 programs [ 52.491357][ T40] audit: type=1400 audit(1743556324.692:90): avc: denied { node_bind } for pid=5934 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 54.565580][ T40] audit: type=1400 audit(1743556326.772:91): avc: denied { mounton } for pid=5941 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 54.568407][ T5941] cgroup: Unknown subsys name 'net' [ 54.572045][ T40] audit: type=1400 audit(1743556326.772:92): avc: denied { mount } for pid=5941 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 54.583133][ T40] audit: type=1400 audit(1743556326.792:93): avc: denied { unmount } for pid=5941 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 54.785172][ T5941] cgroup: Unknown subsys name 'cpuset' [ 54.789900][ T5941] cgroup: Unknown subsys name 'rlimit' [ 54.959259][ T40] audit: type=1400 audit(1743556327.162:94): avc: denied { setattr } for pid=5941 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=849 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 54.965934][ T40] audit: type=1400 audit(1743556327.162:95): avc: denied { create } for pid=5941 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 54.973454][ T40] audit: type=1400 audit(1743556327.162:96): avc: denied { write } for pid=5941 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 55.023078][ T5949] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 55.787247][ T5941] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 57.572282][ T40] kauditd_printk_skb: 8 callbacks suppressed [ 57.572293][ T40] audit: type=1400 audit(1743556329.782:105): avc: denied { execmem } for pid=5951 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 57.662823][ T40] audit: type=1400 audit(1743556329.872:106): avc: denied { read } for pid=5952 comm="syz-executor" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 57.668763][ T40] audit: type=1400 audit(1743556329.872:107): avc: denied { open } for pid=5952 comm="syz-executor" path="net:[4026531840]" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 57.676829][ T40] audit: type=1400 audit(1743556329.872:108): avc: denied { mounton } for pid=5952 comm="syz-executor" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 57.715162][ T40] audit: type=1400 audit(1743556329.922:109): avc: denied { mount } for pid=5952 comm="syz-executor" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 57.721218][ T40] audit: type=1400 audit(1743556329.922:110): avc: denied { mounton } for pid=5952 comm="syz-executor" path="/syzkaller.5wL80Z/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 57.728473][ T40] audit: type=1400 audit(1743556329.922:111): avc: denied { mount } for pid=5952 comm="syz-executor" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 57.737120][ T40] audit: type=1400 audit(1743556329.922:112): avc: denied { mounton } for pid=5952 comm="syz-executor" path="/syzkaller.5wL80Z/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 57.748187][ T40] audit: type=1400 audit(1743556329.922:113): avc: denied { mounton } for pid=5952 comm="syz-executor" path="/syzkaller.5wL80Z/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1786 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 57.756190][ T40] audit: type=1400 audit(1743556329.932:114): avc: denied { unmount } for pid=5952 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 57.768591][ T5952] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 58.013764][ T5296] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.019125][ T5296] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.024264][ T5296] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.028497][ T5296] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.032939][ T5296] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.398903][ T6003] chnl_net:caif_netlink_parms(): no params data found [ 59.536695][ T6003] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.538777][ T6003] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.540809][ T6003] bridge_slave_0: entered allmulticast mode [ 59.544324][ T6003] bridge_slave_0: entered promiscuous mode [ 59.550044][ T6003] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.562051][ T6003] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.564131][ T6003] bridge_slave_1: entered allmulticast mode [ 59.566954][ T6003] bridge_slave_1: entered promiscuous mode [ 59.606391][ T6003] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.611580][ T6003] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.648611][ T6003] team0: Port device team_slave_0 added [ 59.651744][ T6003] team0: Port device team_slave_1 added [ 59.683564][ T6003] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.686187][ T6003] 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. [ 59.693940][ T6003] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.698691][ T6003] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.700539][ T6003] 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. [ 59.707782][ T6003] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.770847][ T6003] hsr_slave_0: entered promiscuous mode [ 59.774147][ T6003] hsr_slave_1: entered promiscuous mode [ 59.963411][ T6003] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.971151][ T6003] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.977549][ T6003] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.984342][ T6003] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.005479][ T6003] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.008379][ T6003] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.011706][ T6003] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.014604][ T6003] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.064060][ T6003] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.073840][ T79] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.077317][ T79] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.087601][ T6003] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.094878][ T1077] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.096922][ T1077] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.103425][ T79] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.105859][ T79] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.209524][ T6003] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.239717][ T6003] veth0_vlan: entered promiscuous mode [ 60.244377][ T6003] veth1_vlan: entered promiscuous mode [ 60.267519][ T6003] veth0_macvtap: entered promiscuous mode [ 60.273279][ T6003] veth1_macvtap: entered promiscuous mode [ 60.290579][ T6003] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.298148][ T6003] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.307762][ T6003] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.310643][ T6003] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.314095][ T6003] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.317241][ T6003] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.419785][ T1077] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.493434][ T1077] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.571584][ T1077] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 60.605248][ T79] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.608225][ T79] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.635270][ T64] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.638504][ T64] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.654483][ T1077] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/04/02 01:12:13 executed programs: 0 [ 61.318716][ T67] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.322062][ T67] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.325302][ T67] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.328749][ T67] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.331111][ T67] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.432394][ T6051] chnl_net:caif_netlink_parms(): no params data found [ 61.543800][ T6051] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.546176][ T6051] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.548523][ T6051] bridge_slave_0: entered allmulticast mode [ 61.551116][ T6051] bridge_slave_0: entered promiscuous mode [ 61.554553][ T6051] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.556839][ T6051] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.559327][ T6051] bridge_slave_1: entered allmulticast mode [ 61.561812][ T6051] bridge_slave_1: entered promiscuous mode [ 61.610692][ T6051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.616022][ T6051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.662642][ T6051] team0: Port device team_slave_0 added [ 61.669226][ T6051] team0: Port device team_slave_1 added [ 61.714351][ T6051] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.716930][ T6051] 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. [ 61.726599][ T6051] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.733530][ T6051] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.736124][ T6051] 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. [ 61.748928][ T6051] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.808784][ T6051] hsr_slave_0: entered promiscuous mode [ 61.810898][ T6051] hsr_slave_1: entered promiscuous mode [ 61.813359][ T6051] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.815605][ T6051] Cannot create hsr debugfs directory [ 63.422991][ T67] Bluetooth: hci0: command tx timeout [ 63.638271][ T1077] bridge_slave_1: left allmulticast mode [ 63.640075][ T1077] bridge_slave_1: left promiscuous mode [ 63.641385][ T40] kauditd_printk_skb: 22 callbacks suppressed [ 63.641399][ T40] audit: type=1400 audit(1743556335.842:137): avc: denied { search } for pid=5656 comm="dhcpcd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 63.642142][ T1077] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.654519][ T1077] bridge_slave_0: left allmulticast mode [ 63.656097][ T1077] bridge_slave_0: left promiscuous mode [ 63.657729][ T1077] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.856636][ T1077] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 63.860530][ T1077] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 63.864214][ T1077] bond0 (unregistering): Released all slaves [ 63.928158][ T40] audit: type=1400 audit(1743556336.132:138): avc: denied { read } for pid=6061 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=1770 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 63.935454][ T40] audit: type=1400 audit(1743556336.132:139): avc: denied { open } for pid=6061 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=1770 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 63.942996][ T40] audit: type=1400 audit(1743556336.132:140): avc: denied { getattr } for pid=6061 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=1770 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 63.950659][ T40] audit: type=1400 audit(1743556336.142:141): avc: denied { write } for pid=6060 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=1769 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 63.957144][ T40] audit: type=1400 audit(1743556336.142:142): avc: denied { add_name } for pid=6060 comm="dhcpcd-run-hook" name="resolv.conf.eth2.link" scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 63.976506][ T40] audit: type=1400 audit(1743556336.182:143): avc: denied { remove_name } for pid=6063 comm="rm" name="resolv.conf.eth2.link" dev="tmpfs" ino=1946 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 64.003923][ T1077] hsr_slave_0: left promiscuous mode [ 64.006621][ T1077] hsr_slave_1: left promiscuous mode [ 64.008489][ T1077] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 64.010673][ T1077] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 64.018534][ T1077] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 64.020713][ T1077] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 64.036897][ T1077] veth1_macvtap: left promiscuous mode [ 64.039284][ T1077] veth0_macvtap: left promiscuous mode [ 64.042113][ T1077] veth1_vlan: left promiscuous mode [ 64.044218][ T1077] veth0_vlan: left promiscuous mode [ 64.456396][ T1077] team0 (unregistering): Port device team_slave_1 removed [ 64.504757][ T1077] team0 (unregistering): Port device team_slave_0 removed [ 64.816651][ T5656] [ 64.817384][ T5656] ============================================ [ 64.819102][ T5656] WARNING: possible recursive locking detected [ 64.820792][ T5656] 6.14.0-syzkaller-g91e5bfe317d8 #0 Not tainted [ 64.824371][ T5656] -------------------------------------------- [ 64.827083][ T5656] dhcpcd/5656 is trying to acquire lock: [ 64.829073][ T5656] ffff8880337f0d30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x586/0xbe0 [ 64.832364][ T5656] [ 64.832364][ T5656] but task is already holding lock: [ 64.834446][ T5656] ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 [ 64.836895][ T5656] [ 64.836895][ T5656] other info that might help us debug this: [ 64.839183][ T5656] Possible unsafe locking scenario: [ 64.839183][ T5656] [ 64.841728][ T5656] CPU0 [ 64.842807][ T5656] ---- [ 64.843903][ T5656] lock(&dev->lock); [ 64.845243][ T5656] lock(&dev->lock); [ 64.846606][ T5656] [ 64.846606][ T5656] *** DEADLOCK *** [ 64.846606][ T5656] [ 64.849246][ T5656] May be due to missing lock nesting notation [ 64.849246][ T5656] [ 64.852731][ T5656] 2 locks held by dhcpcd/5656: [ 64.854579][ T5656] #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x26d/0x1f50 [ 64.857820][ T5656] #1: ffff88802f2e4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 [ 64.860850][ T5656] [ 64.860850][ T5656] stack backtrace: [ 64.862857][ T5656] CPU: 2 UID: 0 PID: 5656 Comm: dhcpcd Not tainted 6.14.0-syzkaller-g91e5bfe317d8 #0 PREEMPT(full) [ 64.862873][ T5656] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 64.862881][ T5656] Call Trace: [ 64.862887][ T5656] [ 64.862892][ T5656] dump_stack_lvl+0x116/0x1f0 [ 64.862907][ T5656] print_deadlock_bug+0x1e9/0x240 [ 64.862928][ T5656] __lock_acquire+0xff7/0x1ba0 [ 64.862942][ T5656] lock_acquire+0x179/0x350 [ 64.862953][ T5656] ? lapbeth_device_event+0x586/0xbe0 [ 64.862971][ T5656] ? __pfx___might_resched+0x10/0x10 [ 64.862991][ T5656] __mutex_lock+0x199/0xb90 [ 64.863005][ T5656] ? lapbeth_device_event+0x586/0xbe0 [ 64.863020][ T5656] ? lapbeth_device_event+0x586/0xbe0 [ 64.863036][ T5656] ? __pfx___mutex_lock+0x10/0x10 [ 64.863051][ T5656] ? alloc_netdev_mqs+0xe7e/0x1570 [ 64.863066][ T5656] ? lapbeth_device_event+0x586/0xbe0 [ 64.863081][ T5656] lapbeth_device_event+0x586/0xbe0 [ 64.863097][ T5656] notifier_call_chain+0xb9/0x410 [ 64.863116][ T5656] ? __pfx_lapbeth_device_event+0x10/0x10 [ 64.863133][ T5656] call_netdevice_notifiers_info+0xbe/0x140 [ 64.863150][ T5656] __dev_notify_flags+0x12c/0x2e0 [ 64.863163][ T5656] ? __pfx___dev_notify_flags+0x10/0x10 [ 64.863174][ T5656] ? __dev_change_flags+0x3d5/0x720 [ 64.863186][ T5656] ? __pfx___dev_change_flags+0x10/0x10 [ 64.863201][ T5656] netif_change_flags+0x108/0x160 [ 64.863215][ T5656] dev_change_flags+0xba/0x250 [ 64.863230][ T5656] devinet_ioctl+0x11d5/0x1f50 [ 64.863245][ T5656] ? __pfx_devinet_ioctl+0x10/0x10 [ 64.863258][ T5656] ? _copy_from_user+0x59/0xd0 [ 64.863273][ T5656] inet_ioctl+0x3a7/0x3f0 [ 64.863292][ T5656] ? __pfx_inet_ioctl+0x10/0x10 [ 64.863309][ T5656] ? tomoyo_path_number_perm+0x18d/0x580 [ 64.863326][ T5656] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 64.863341][ T5656] sock_do_ioctl+0x115/0x280 [ 64.863357][ T5656] ? __pfx_sock_do_ioctl+0x10/0x10 [ 64.863374][ T5656] ? ioctl_has_perm.constprop.0.isra.0+0x2f4/0x450 [ 64.863394][ T5656] ? ioctl_has_perm.constprop.0.isra.0+0x2fe/0x450 [ 64.863414][ T5656] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10 [ 64.863434][ T5656] sock_ioctl+0x227/0x6b0 [ 64.863451][ T5656] ? __pfx_sock_ioctl+0x10/0x10 [ 64.863467][ T5656] ? hook_file_ioctl_common+0x145/0x410 [ 64.863489][ T5656] ? selinux_file_ioctl+0x180/0x270 [ 64.863507][ T5656] ? selinux_file_ioctl+0xb4/0x270 [ 64.863525][ T5656] ? __pfx_sock_ioctl+0x10/0x10 [ 64.863543][ T5656] __x64_sys_ioctl+0x190/0x200 [ 64.863562][ T5656] do_syscall_64+0xcd/0x260 [ 64.863576][ T5656] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.863589][ T5656] RIP: 0033:0x7effb2a0ed49 [ 64.863601][ T5656] Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 [ 64.863613][ T5656] RSP: 002b:00007ffe03497168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 64.863625][ T5656] RAX: ffffffffffffffda RBX: 00007effb29406c0 RCX: 00007effb2a0ed49 [ 64.863633][ T5656] RDX: 00007ffe034a7358 RSI: 0000000000008914 RDI: 0000000000000016 [ 64.863641][ T5656] RBP: 00007ffe034b7518 R08: 00007ffe034a7318 R09: 00007ffe034a72c8 [ 64.863649][ T5656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.863657][ T5656] R13: 00007ffe034a7358 R14: 0000000000000028 R15: 0000000000008914 [ 64.863668][ T5656] [ 65.247097][ T6051] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.251653][ T6051] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.256595][ T6051] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.260299][ T6051] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.291578][ T6051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.297943][ T6051] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.301348][ T1150] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.303459][ T1150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.308883][ T1150] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.310950][ T1150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.321749][ T6051] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.324951][ T6051] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.378913][ T6051] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.391494][ T6051] veth0_vlan: entered promiscuous mode [ 65.397296][ T6051] veth1_vlan: entered promiscuous mode [ 65.407660][ T6051] veth0_macvtap: entered promiscuous mode [ 65.410559][ T6051] veth1_macvtap: entered promiscuous mode [ 65.419140][ T6051] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 65.424335][ T6051] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 65.428307][ T6051] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.430749][ T6051] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.433632][ T6051] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.436984][ T6051] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 65.448965][ T6051] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 65.458009][ T1150] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.458618][ T6051] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 65.460893][ T1150] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.473068][ T1143] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.475524][ T1143] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.492015][ T67] Bluetooth: hci0: command tx timeout VM DIAGNOSIS: 01:12:17 Registers: info registers vcpu 0 CPU#0 RAX=00000000000305ac RBX=0000000000000000 RCX=ffffffff8b713169 RDX=ffffed100d4865be RSI=ffffffff8bf457a0 RDI=ffffffff8191a881 RBP=fffffbfff1c12ee8 RSP=ffffffff8e007e18 R8 =0000000000000000 R9 =ffffed100d4865bd R10=ffff88806a432deb R11=0000000000000000 R12=0000000000000000 R13=ffffffff8e097740 R14=ffffffff90861f10 R15=0000000000000000 RIP=ffffffff8b71456f RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff8880d69bb000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005637c3dac7d8 CR3=0000000032840000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000000000 Opmask01=0000000000000000 Opmask02=0000000000000000 Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 124aac252bd28883 09cd8944d87e7355 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 19b128407edf0ab8 7a12cb9d12bad11e ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 b94dccd57193da8c f63c9d4ece3b34b4 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 956ef219dccc0cfe db453306de601316 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000ffffffff 0000000000000068 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000028 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0bc5b24dd38bee1f 0000000100000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 d8af40b700000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 49997369bcb3a70b 7a78a9eed8ac620c ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000008584d06b ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a85fdb17b832f4ee ef5e5ee3c973ae92 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ac7b5c20c985ccd3 3304b7b24c21940c ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 f5bfe481f5bfe481 f5bfe481f5bfe481 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 e0ebd04ae0ebd04a e0ebd04ae0ebd04a ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a54ff53a3c6ef372 bb67ae856a09e667 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5be0cd191f83d9ab 9b05688c510e527f ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 CPU#1 RAX=000000000002ab2c RBX=0000000000000001 RCX=ffffffff8b713169 RDX=ffffed100d4a65be RSI=ffffffff8bf457a0 RDI=ffffffff8191a881 RBP=ffffed1003ad2488 RSP=ffffc90000177e00 R8 =0000000000000000 R9 =ffffed100d4a65bd R10=ffff88806a532deb R11=0000000000000000 R12=0000000000000001 R13=ffff88801d692440 R14=ffffffff90861f10 R15=0000000000000000 RIP=ffffffff8b71456f RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff8880d6abb000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055844f75ac38 CR3=0000000025856000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=00000000fcfffe00 Opmask01=0000000000000000 Opmask02=0000000001ffffff Opmask03=0000000000000000 Opmask04=00000000ffffffff Opmask05=00000000004007ff Opmask06=0000000007ffe7ff Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 4b5f5455504e495f 4449006b636f6c62 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffee30f21b0 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2f2f2f2f2f2f2f2f 2f2f2f2f2f2f2f2f ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000ff00000000 ff000000ff000000 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000ff000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000000e1 0000000000000000 44455a494c414954 494e495f43455355 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6f742079617237 7170622f74656e2f 6c6175747269762f 736563697665642f ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4a4a51055c445757 440540495057055c 5744574a55484051 000f1a005b1a0f00 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000001c1 0000000000000000 0000000000000030 2d78742f73657565 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fda44bf21a0 000055ceda583ea0 00000000000020a1 0000000000000037 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 69305f474f5b647c 6930382433273f39 7b27697a787c7a30 23333a3a38263342 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 3a3a263e383a3a26 39383a3a2638383a 3a263b383a3a263a 383a3a26493b3a3a ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692054524f50202c 2064696c61696d20 0070253a20252054 524f504d49005452 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 692020520050202c 2025204f504d4900 0061253a20252000 2527204d49005452 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 282b2e2fdf37342d 280bbfbf23243324 26312033fc040f18 1317140d080b0412 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 343133bffc121104 1214041204110814 100411bffc040f18 1317140d080b0412 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4141414141414141 4141414141414141 4141414141414141 4141414141414141 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2020202020202020 2020202020202020 2020202020202020 2020202020202020 info registers vcpu 2 CPU#2 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff854daf50 RDI=ffffffff9ae1d3a0 RBP=ffffffff9ae1d360 RSP=ffffc90003c7f080 R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=732d302e34312e36 R12=0000000000000000 R13=0000000000000020 R14=fffffbfff35c3ac6 R15=dffffc0000000000 RIP=ffffffff854daf77 RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 00007effb2940740 ffffffff 00c00000 GS =0000 ffff8880d6bbb000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000008f000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2350bf8870 CR3=000000002fd52000 CR4=00352ef0 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GOMOD='/syzkaller/jobs/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 -ffile-prefix-map=/tmp/go-build2708079144=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at f3558dbf03 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:31: run command via tools/syz-env for best compatibility, see: Makefile:32: 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 Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen go fmt ./sys/... >/dev/null touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=f3558dbf032eab2b77c1cb11b9ce2baffe7838d3 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250103-110009'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -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 -std=c++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"f3558dbf032eab2b77c1cb11b9ce2baffe7838d3\" /usr/bin/ld: /tmp/ccMc3fgL.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking