possible deadlock in lapbeth_device_event
============================================
WARNING: possible recursive locking detected
6.14.0-syzkaller-g91e5bfe317d8 #0 Not tainted
--------------------------------------------
dhcpcd/5653 is trying to acquire lock:
ffff888034d00d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff888034d00d30 (&dev->lock){+.+.}-{4:4}, at: netif_napi_add_weight include/linux/netdevice.h:2783 [inline]
ffff888034d00d30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_new_device drivers/net/wan/lapbether.c:415 [inline]
ffff888034d00d30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x586/0xbe0 drivers/net/wan/lapbether.c:460
but task is already holding lock:
ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline]
ffff88804d6d4d30 (&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/5653:
#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: ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline]
#1: ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
#1: ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline]
#1: ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250 net/core/dev_api.c:67
stack backtrace:
CPU: 0 UID: 0 PID: 5653 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: 0033:0x7f7d97b95d49
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:00007ffd6c1366d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7d97ac76c0 RCX: 00007f7d97b95d49
RDX: 00007ffd6c1468c8 RSI: 0000000000008914 RDI: 0000000000000012
RBP: 00007ffd6c156a88 R08: 00007ffd6c146888 R09: 00007ffd6c146838
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6c1468c8 R14: 0000000000000028 R15: 0000000000008914
[ 52.724192][ T40] audit: type=1400 audit(1743555394.156:82): avc: denied { siginh } for pid=5927 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 55.090673][ T40] audit: type=1400 audit(1743555396.536:83): avc: denied { read } for pid=5335 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
[ 55.099437][ T40] audit: type=1400 audit(1743555396.546:84): avc: denied { append } for pid=5335 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
[ 55.108005][ T40] audit: type=1400 audit(1743555396.546:85): avc: denied { open } for pid=5335 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
[ 55.114264][ T40] audit: type=1400 audit(1743555396.546:86): avc: denied { getattr } for pid=5335 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]:31479' (ED25519) to the list of known hosts.
[ 60.812920][ T40] audit: type=1400 audit(1743555402.266:87): avc: denied { execute } for pid=5941 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
[ 60.821009][ T40] audit: type=1400 audit(1743555402.266:88): avc: denied { execute_no_trans } for pid=5941 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 00:56:42 ignoring optional flag "sandboxArg"="0"
[ 61.246801][ T40] audit: type=1400 audit(1743555402.696:89): avc: denied { write } for pid=5941 comm="syz-execprog" path="pipe:[6338]" dev="pipefs" ino=6338 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
2025/04/02 00:56:43 parsed 1 programs
[ 61.655920][ T40] audit: type=1400 audit(1743555403.106:90): avc: denied { node_bind } for pid=5941 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1
[ 64.068774][ T40] audit: type=1400 audit(1743555405.516:91): avc: denied { mounton } for pid=5948 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
[ 64.072067][ T5948] cgroup: Unknown subsys name 'net'
[ 64.076958][ T40] audit: type=1400 audit(1743555405.516:92): avc: denied { mount } for pid=5948 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
[ 64.087012][ T40] audit: type=1400 audit(1743555405.536:93): avc: denied { unmount } for pid=5948 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 64.223072][ T5948] cgroup: Unknown subsys name 'cpuset'
[ 64.227083][ T5948] cgroup: Unknown subsys name 'rlimit'
[ 64.368885][ T40] audit: type=1400 audit(1743555405.816:94): avc: denied { setattr } for pid=5948 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
[ 64.378478][ T40] audit: type=1400 audit(1743555405.836:95): avc: denied { create } for pid=5948 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 64.386381][ T40] audit: type=1400 audit(1743555405.836:96): avc: denied { write } for pid=5948 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1
[ 64.434985][ T5953] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped).
[ 65.173156][ T5948] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 67.083990][ T40] kauditd_printk_skb: 8 callbacks suppressed
[ 67.084008][ T40] audit: type=1400 audit(1743555408.536:105): avc: denied { execmem } for pid=5956 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 67.094215][ T40] audit: type=1400 audit(1743555408.536:106): avc: denied { read } for pid=5957 comm="syz-executor" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 67.102098][ T40] audit: type=1400 audit(1743555408.536:107): avc: denied { open } for pid=5957 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
[ 67.112111][ T40] audit: type=1400 audit(1743555408.546:108): avc: denied { mounton } for pid=5957 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
[ 67.137021][ T40] audit: type=1400 audit(1743555408.586:109): avc: denied { mount } for pid=5957 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
[ 67.144521][ T40] audit: type=1400 audit(1743555408.596:110): avc: denied { mounton } for pid=5957 comm="syz-executor" path="/syzkaller.O9KgNr/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
[ 67.151850][ T40] audit: type=1400 audit(1743555408.596:111): avc: denied { mount } for pid=5957 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
[ 67.158967][ T40] audit: type=1400 audit(1743555408.596:112): avc: denied { mounton } for pid=5957 comm="syz-executor" path="/syzkaller.O9KgNr/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
[ 67.166486][ T40] audit: type=1400 audit(1743555408.596:113): avc: denied { mounton } for pid=5957 comm="syz-executor" path="/syzkaller.O9KgNr/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=3042 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 67.174335][ T40] audit: type=1400 audit(1743555408.606:114): avc: denied { unmount } for pid=5957 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 67.207546][ T5957] 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.
[ 68.287177][ T5981] chnl_net:caif_netlink_parms(): no params data found
[ 68.391369][ T5981] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.394599][ T5981] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.397575][ T5981] bridge_slave_0: entered allmulticast mode
[ 68.401688][ T5981] bridge_slave_0: entered promiscuous mode
[ 68.406407][ T5981] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.409050][ T5981] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.412968][ T5981] bridge_slave_1: entered allmulticast mode
[ 68.416349][ T5981] bridge_slave_1: entered promiscuous mode
[ 68.468581][ T5981] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 68.473700][ T5981] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 68.539628][ T5981] team0: Port device team_slave_0 added
[ 68.549491][ T5981] team0: Port device team_slave_1 added
[ 68.583231][ T5981] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 68.586016][ T5981] 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.
[ 68.595556][ T5981] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 68.600271][ T5981] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 68.602559][ T5981] 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.
[ 68.610537][ T5981] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 68.654569][ T5981] hsr_slave_0: entered promiscuous mode
[ 68.656996][ T5981] hsr_slave_1: entered promiscuous mode
[ 68.809940][ T5981] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 68.817241][ T5981] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 68.823796][ T5981] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 68.828245][ T5981] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 68.845954][ T5981] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.848567][ T5981] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.851698][ T5981] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.853802][ T5981] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.889681][ T5981] 8021q: adding VLAN 0 to HW filter on device bond0
[ 68.903846][ T41] bridge0: port 1(bridge_slave_0) entered disabled state
[ 68.908245][ T41] bridge0: port 2(bridge_slave_1) entered disabled state
[ 68.919180][ T5981] 8021q: adding VLAN 0 to HW filter on device team0
[ 68.928069][ T41] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.930725][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.936520][ T65] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.939895][ T65] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 69.085673][ T5981] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 69.126735][ T5981] veth0_vlan: entered promiscuous mode
[ 69.134261][ T5981] veth1_vlan: entered promiscuous mode
[ 69.150104][ T5981] veth0_macvtap: entered promiscuous mode
[ 69.155758][ T5981] veth1_macvtap: entered promiscuous mode
[ 69.171780][ T5981] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 69.179919][ T5981] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 69.185953][ T5981] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.189177][ T5981] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.193276][ T5981] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.196043][ T5981] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 69.317957][ T65] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.473566][ T65] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.560419][ T65] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.644639][ T65] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.852449][ T68] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 69.856839][ T68] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 69.860803][ T68] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 69.865690][ T68] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 69.869222][ T68] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 70.889427][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 70.892453][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 70.920321][ T100] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 70.922918][ T100] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2025/04/02 00:56:52 executed programs: 0
[ 71.425360][ T68] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 71.429684][ T68] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 71.432497][ T68] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 71.435574][ T68] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 71.438407][ T68] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 71.593436][ T6056] chnl_net:caif_netlink_parms(): no params data found
[ 71.701315][ T6056] bridge0: port 1(bridge_slave_0) entered blocking state
[ 71.703563][ T6056] bridge0: port 1(bridge_slave_0) entered disabled state
[ 71.705639][ T6056] bridge_slave_0: entered allmulticast mode
[ 71.708193][ T6056] bridge_slave_0: entered promiscuous mode
[ 71.711492][ T6056] bridge0: port 2(bridge_slave_1) entered blocking state
[ 71.713587][ T6056] bridge0: port 2(bridge_slave_1) entered disabled state
[ 71.715690][ T6056] bridge_slave_1: entered allmulticast mode
[ 71.718243][ T6056] bridge_slave_1: entered promiscuous mode
[ 71.755888][ T6056] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 71.760502][ T6056] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 71.803150][ T6056] team0: Port device team_slave_0 added
[ 71.806485][ T6056] team0: Port device team_slave_1 added
[ 71.844466][ T6056] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 71.846875][ T6056] 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.
[ 71.854027][ T6056] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 71.858067][ T6056] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 71.860213][ T6056] 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.
[ 71.868783][ T6056] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 71.921767][ T6056] hsr_slave_0: entered promiscuous mode
[ 71.923888][ T6056] hsr_slave_1: entered promiscuous mode
[ 71.925745][ T6056] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[ 71.927995][ T6056] Cannot create hsr debugfs directory
[ 72.894112][ T65] bridge_slave_1: left allmulticast mode
[ 72.896359][ T65] bridge_slave_1: left promiscuous mode
[ 72.899076][ T65] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.904898][ T65] bridge_slave_0: left allmulticast mode
[ 72.906608][ T65] bridge_slave_0: left promiscuous mode
[ 72.908589][ T65] bridge0: port 1(bridge_slave_0) entered disabled state
[ 73.157108][ T65] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 73.163257][ T65] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 73.168069][ T65] bond0 (unregistering): Released all slaves
[ 73.199781][ T40] kauditd_printk_skb: 22 callbacks suppressed
[ 73.199792][ T40] audit: type=1400 audit(1743555414.646:137): avc: denied { search } for pid=5653 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
[ 73.257535][ T40] audit: type=1400 audit(1743555414.706:138): avc: denied { read } for pid=6066 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
[ 73.266916][ T40] audit: type=1400 audit(1743555414.706:139): avc: denied { open } for pid=6066 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
[ 73.276825][ T40] audit: type=1400 audit(1743555414.706:140): avc: denied { getattr } for pid=6066 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
[ 73.285858][ T40] audit: type=1400 audit(1743555414.716:141): avc: denied { write } for pid=6065 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
[ 73.295827][ T40] audit: type=1400 audit(1743555414.726:142): avc: denied { add_name } for pid=6065 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
[ 73.304604][ T65] hsr_slave_0: left promiscuous mode
[ 73.308450][ T65] hsr_slave_1: left promiscuous mode
[ 73.311468][ T40] audit: type=1400 audit(1743555414.766:143): avc: denied { remove_name } for pid=6068 comm="rm" name="resolv.conf.eth2.link" dev="tmpfs" ino=1950 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 73.311696][ T65] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 73.321309][ T65] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 73.325658][ T65] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 73.329034][ T65] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 73.347255][ T65] veth1_macvtap: left promiscuous mode
[ 73.349925][ T65] veth0_macvtap: left promiscuous mode
[ 73.352620][ T65] veth1_vlan: left promiscuous mode
[ 73.354619][ T65] veth0_vlan: left promiscuous mode
[ 73.521239][ T68] Bluetooth: hci0: command tx timeout
[ 73.810327][ T65] team0 (unregistering): Port device team_slave_1 removed
[ 73.849398][ T65] team0 (unregistering): Port device team_slave_0 removed
[ 74.141512][ T5653]
[ 74.142232][ T5653] ============================================
[ 74.144400][ T5653] WARNING: possible recursive locking detected
[ 74.146449][ T5653] 6.14.0-syzkaller-g91e5bfe317d8 #0 Not tainted
[ 74.149305][ T5653] --------------------------------------------
[ 74.152594][ T5653] dhcpcd/5653 is trying to acquire lock:
[ 74.154931][ T5653] ffff888034d00d30 (&dev->lock){+.+.}-{4:4}, at: lapbeth_device_event+0x586/0xbe0
[ 74.158553][ T5653]
[ 74.158553][ T5653] but task is already holding lock:
[ 74.160704][ T5653] ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250
[ 74.163312][ T5653]
[ 74.163312][ T5653] other info that might help us debug this:
[ 74.165862][ T5653] Possible unsafe locking scenario:
[ 74.165862][ T5653]
[ 74.168412][ T5653] CPU0
[ 74.169539][ T5653] ----
[ 74.170479][ T5653] lock(&dev->lock);
[ 74.171639][ T5653] lock(&dev->lock);
[ 74.172752][ T5653]
[ 74.172752][ T5653] *** DEADLOCK ***
[ 74.172752][ T5653]
[ 74.175240][ T5653] May be due to missing lock nesting notation
[ 74.175240][ T5653]
[ 74.178089][ T5653] 2 locks held by dhcpcd/5653:
[ 74.179982][ T5653] #0: ffffffff90129ba8 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x26d/0x1f50
[ 74.183689][ T5653] #1: ffff88804d6d4d30 (&dev->lock){+.+.}-{4:4}, at: dev_change_flags+0xa7/0x250
[ 74.187678][ T5653]
[ 74.187678][ T5653] stack backtrace:
[ 74.189946][ T5653] CPU: 0 UID: 0 PID: 5653 Comm: dhcpcd Not tainted 6.14.0-syzkaller-g91e5bfe317d8 #0 PREEMPT(full)
[ 74.189968][ T5653] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 74.189978][ T5653] Call Trace:
[ 74.189987][ T5653]
[ 74.189994][ T5653] dump_stack_lvl+0x116/0x1f0
[ 74.190015][ T5653] print_deadlock_bug+0x1e9/0x240
[ 74.190041][ T5653] __lock_acquire+0xff7/0x1ba0
[ 74.190061][ T5653] lock_acquire+0x179/0x350
[ 74.190075][ T5653] ? lapbeth_device_event+0x586/0xbe0
[ 74.190096][ T5653] ? __pfx___might_resched+0x10/0x10
[ 74.190121][ T5653] __mutex_lock+0x199/0xb90
[ 74.190138][ T5653] ? lapbeth_device_event+0x586/0xbe0
[ 74.190159][ T5653] ? lapbeth_device_event+0x586/0xbe0
[ 74.190179][ T5653] ? __pfx___mutex_lock+0x10/0x10
[ 74.190199][ T5653] ? alloc_netdev_mqs+0xe7e/0x1570
[ 74.190219][ T5653] ? lapbeth_device_event+0x586/0xbe0
[ 74.190238][ T5653] lapbeth_device_event+0x586/0xbe0
[ 74.190259][ T5653] notifier_call_chain+0xb9/0x410
[ 74.190283][ T5653] ? __pfx_lapbeth_device_event+0x10/0x10
[ 74.190304][ T5653] call_netdevice_notifiers_info+0xbe/0x140
[ 74.190331][ T5653] __dev_notify_flags+0x12c/0x2e0
[ 74.190348][ T5653] ? __pfx___dev_notify_flags+0x10/0x10
[ 74.190364][ T5653] ? __dev_change_flags+0x3d5/0x720
[ 74.190380][ T5653] ? __pfx___dev_change_flags+0x10/0x10
[ 74.190399][ T5653] netif_change_flags+0x108/0x160
[ 74.190416][ T5653] dev_change_flags+0xba/0x250
[ 74.190436][ T5653] devinet_ioctl+0x11d5/0x1f50
[ 74.190457][ T5653] ? __pfx_devinet_ioctl+0x10/0x10
[ 74.190475][ T5653] ? _copy_from_user+0x59/0xd0
[ 74.190494][ T5653] inet_ioctl+0x3a7/0x3f0
[ 74.190512][ T5653] ? __pfx_inet_ioctl+0x10/0x10
[ 74.190536][ T5653] ? tomoyo_path_number_perm+0x18d/0x580
[ 74.190557][ T5653] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 74.190595][ T5653] sock_do_ioctl+0x115/0x280
[ 74.190616][ T5653] ? __pfx_sock_do_ioctl+0x10/0x10
[ 74.190638][ T5653] ? ioctl_has_perm.constprop.0.isra.0+0x2f4/0x450
[ 74.190663][ T5653] ? ioctl_has_perm.constprop.0.isra.0+0x2fe/0x450
[ 74.190687][ T5653] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 74.190713][ T5653] sock_ioctl+0x227/0x6b0
[ 74.190734][ T5653] ? __pfx_sock_ioctl+0x10/0x10
[ 74.190755][ T5653] ? hook_file_ioctl_common+0x145/0x410
[ 74.190783][ T5653] ? selinux_file_ioctl+0x180/0x270
[ 74.190805][ T5653] ? selinux_file_ioctl+0xb4/0x270
[ 74.190828][ T5653] ? __pfx_sock_ioctl+0x10/0x10
[ 74.190849][ T5653] __x64_sys_ioctl+0x190/0x200
[ 74.190874][ T5653] do_syscall_64+0xcd/0x260
[ 74.190892][ T5653] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.190909][ T5653] RIP: 0033:0x7f7d97b95d49
[ 74.190922][ T5653] 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
[ 74.190938][ T5653] RSP: 002b:00007ffd6c1366d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 74.190953][ T5653] RAX: ffffffffffffffda RBX: 00007f7d97ac76c0 RCX: 00007f7d97b95d49
[ 74.190964][ T5653] RDX: 00007ffd6c1468c8 RSI: 0000000000008914 RDI: 0000000000000012
[ 74.190974][ T5653] RBP: 00007ffd6c156a88 R08: 00007ffd6c146888 R09: 00007ffd6c146838
[ 74.190985][ T5653] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 74.190994][ T5653] R13: 00007ffd6c1468c8 R14: 0000000000000028 R15: 0000000000008914
[ 74.191009][ T5653]
[ 74.639098][ T6056] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 74.643117][ T6056] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 74.646374][ T6056] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 74.649340][ T6056] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 74.671883][ T6056] 8021q: adding VLAN 0 to HW filter on device bond0
[ 74.677899][ T6056] 8021q: adding VLAN 0 to HW filter on device team0
[ 74.686841][ T1214] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.688920][ T1214] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 74.694465][ T1214] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.697717][ T1214] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 74.781989][ T6056] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 74.797670][ T6056] veth0_vlan: entered promiscuous mode
[ 74.801720][ T6056] veth1_vlan: entered promiscuous mode
[ 74.815753][ T6056] veth0_macvtap: entered promiscuous mode
[ 74.818989][ T6056] veth1_macvtap: entered promiscuous mode
[ 74.826214][ T6056] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 74.831482][ T6056] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 74.835454][ T6056] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.838167][ T6056] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.840961][ T6056] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.843512][ T6056] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.855364][ T6056] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht'
[ 74.864305][ T100] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.865122][ T6056] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht'
[ 74.867626][ T100] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 74.878270][ T100] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 74.881608][ T100] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 76.641606][ T1417] ieee802154 phy0 wpan0: encryption failed: -22
[ 76.643530][ T1417] ieee802154 phy1 wpan1: encryption failed: -22
VM DIAGNOSIS:
00:56:55 Registers:
info registers vcpu 0
CPU#0
RAX=0000000000000067 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff854dae95 RDI=ffffffff9ae1d3a0 RBP=ffffffff9ae1d360 RSP=ffffc900039870d8
R8 =0000000000000001 R9 =000000000000001f R10=0000000000000000 R11=732d302e34312e36
R12=0000000000000000 R13=0000000000000067 R14=ffffffff9ae1d360 R15=ffffffff854dae30
RIP=ffffffff854daebf 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 00007f7d97ac7740 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=00007ffafb142870 CR3=00000000256b6000 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=0000000000000001 Opmask01=0000000004000000 Opmask02=0000000000000000 Opmask03=0000000000000000
Opmask04=00000000ffffffff Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5eb07817f4a6d5dd 6d6006ee17079bf2
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 e99a0e6d5d70cca0 7263734620216d32
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 991eea6ff0cbbf30 3ecda40538311139
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 f1b2d9d1230c8199 2f67e55ba25df1da
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000004340
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000040
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e27413b0fea1f93 8e06c023d2276fa3
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 45c0c1742f25e0d0 84ccbeedae000000
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00002e2de0294e00 4f061c070a000000
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2e5a0ef39ded1583 260fcd4a84000000
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 805f438659fbbdab 420354cdb22b568a
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 b5cbf931489ba2a6 31d86f9e5a5898da
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 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 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a 0a0a0a0a0a0a0a0a
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6d6552203a3076 6461746162203a76 64615f6e616d7461 62205d3536542000
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6567655220303076 6461746162203076 6461556461677461 6220573536542000
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 305f656e49203a30 766461746162203a 6464615f6e616d63 6162202035365420
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 20205b5d36203030 31332e3320202020 5b3e363c00313d63 6162202035305420
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 7a2a78636e377979 6b66697e2a7e5579 6c7a677e3078557e 696f606865307f55
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 786f7e64432a303a 7c6e6b7e6b682a30 7c6e6b55646b677e 6b682a573f3c5e2a
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=000000000007e7c1 RBX=0000000000000001 RCX=ffffffff8b713169 RDX=0000000000000000
RSI=ffffffff8dbea567 RDI=ffffffff8bf45820 RBP=ffffed1003ad0488 RSP=ffffc90000177e00
R8 =0000000000000001 R9 =ffffed100d4a65bd R10=ffff88806a532deb R11=0000000000000000
R12=0000000000000001 R13=ffff88801d682440 R14=ffffffff90861f10 R15=0000000000000000
RIP=ffffffff8b71456f RFL=00000202 [-------] 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=0000563e97ecdc38 CR3=000000000e182000 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=0000000048000000 Opmask01=00000000ffffffff Opmask02=00000000fff80000 Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000001
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe72dea910 0000003000000010
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6c5f5f0045544156 4952505f4342494c
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000042494c
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6362696c5f5f0045 5441564952505f43
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 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f6e3a6d5e007325 2e73250064252e73 2500656c6f736e6f 632f7665642f000a
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4f4b1f485e005600 0b56000041000b56 000040494a564b4a 460a5340410a000a
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 2
CPU#2
RAX=000000000003a244 RBX=0000000000000002 RCX=ffffffff8b713169 RDX=ffffed100d4c65be
RSI=ffffffff8bf457a0 RDI=ffffffff8191a881 RBP=ffffed1003ad0910 RSP=ffffc90000187e00
R8 =0000000000000000 R9 =ffffed100d4c65bd R10=ffff88806a632deb R11=0000000000000000
R12=0000000000000002 R13=ffff88801d684880 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 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=00007fe7f3cd049f CR3=0000000030e08000 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=00000000fe000000 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 00007ffdbd8b4190 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 000000000000ff00
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffff00 ffffffffffffffff
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 00000000000001c1 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 0000000000000030 2d78742f73657565 75712f377170622f 74656e2f6c617574
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 000055811d8272c0 0000000000000001 00000000000000b1 0000000000000037
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 26483b3a3a264b3b 3a0a00307f617930 382433273f397b27 697a787c69303b7e
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 49383a3a2648383a 3a2633383a3a2632 383a3a263d383a3a 263c383a3a263f38
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 3
CPU#3
RAX=0000000000010001 RBX=0000000000000001 RCX=ffffffff81af1edb RDX=ffff88801de98000
RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff818b2840 RSP=ffffc900006f8f78
R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=ffffffff9adc0028
R12=ffff888021728038 R13=dffffc0000000000 R14=0000000000000000 R15=ffff888021728040
RIP=ffffffff81af1fcc 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 0000000000000000 ffffffff 00c00000
GS =0000 ffff8880d6cbb000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe00000d6000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=000055d6e5baa7d8 CR3=0000000030e08000 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=0000000000004080 Opmask01=0000000010000000 Opmask02=0000000001ffffff Opmask03=0000000000000000
Opmask04=00000000ffffffff Opmask05=00000000004007ff Opmask06=0000000007ffe7ff Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffdbd8b4190 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 000000000000ff00
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffff00 ffffffffffffffff
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 302d78742f736575 6575712f37717062 2f74656e2f6c6175 747269762f736563
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6f742079617237 7170622f74656e2f 6c6175747269762f 736563697665642f
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4a4a51055c445757 440540495057055c 5744574a55484051 000f1a005b1a0f00
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000030 2d78742f73657565 75712f377170622f 74656e2f6c617574
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 000055811d8272c0 0000000000000001 00000000000000b1 0000000000000037
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 26483b3a3a264b3b 3a0a00307f617930 382433273f397b27 697a787c69303b7e
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 49383a3a2648383a 3a2633383a3a2632 383a3a263d383a3a 263c383a3a263f38
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
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/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.22.7'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='gcc'
CXX='g++'
CGO_ENABLED='1'
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-build2091681652=/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/ccUXdrca.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