possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-07078-gb46c89c08f41 #0 Not tainted ------------------------------------------------------ kworker/u8:5/191 is trying to acquire lock: ffffffff8fcb1088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] ffffffff8fcb1088 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 net/core/dev.c:11792 but task is already holding lock: ffff88806db60768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff88806db60768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 wiphy_lock include/net/cfg80211.h:6046 [inline] wiphy_register+0x1a49/0x27b0 net/wireless/core.c:1006 ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587 mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5558 init_mac80211_hwsim+0x87a/0xb00 drivers/net/wireless/virtual/mac80211_hwsim.c:6910 do_one_initcall+0x248/0x870 init/main.c:1267 do_initcall_level+0x157/0x210 init/main.c:1329 do_initcalls+0x3f/0x80 init/main.c:1345 kernel_init_freeable+0x435/0x5d0 init/main.c:1578 kernel_init+0x1d/0x2b0 init/main.c:1467 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -> #0 (rtnl_mutex){+.+.}-{4:4}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] unregister_netdevice_many_notify+0xac2/0x2030 net/core/dev.c:11792 unregister_netdevice_many net/core/dev.c:11875 [inline] unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11741 unregister_netdevice include/linux/netdevice.h:3329 [inline] _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1251 ieee80211_remove_interfaces+0x4ef/0x700 net/mac80211/iface.c:2305 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681 mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5664 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x812/0xd60 net/core/net_namespace.c:652 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317 worker_thread+0x870/0xd30 kernel/workqueue.c:3398 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rdev->wiphy.mtx); lock(rtnl_mutex); lock(&rdev->wiphy.mtx); lock(rtnl_mutex); *** DEADLOCK *** 4 locks held by kworker/u8:5/191: #0: ffff88801baf3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline] #0: ffff88801baf3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3317 #1: ffffc90002fb7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc90002fb7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3317 #2: ffffffff8fca4ad0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 net/core/net_namespace.c:606 #3: ffff88806db60768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff88806db60768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 stack backtrace: CPU: 1 UID: 0 PID: 191 Comm: kworker/u8:5 Not tainted 6.13.0-syzkaller-07078-gb46c89c08f41 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] unregister_netdevice_many_notify+0xac2/0x2030 net/core/dev.c:11792 unregister_netdevice_many net/core/dev.c:11875 [inline] unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11741 unregister_netdevice include/linux/netdevice.h:3329 [inline] _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1251 ieee80211_remove_interfaces+0x4ef/0x700 net/mac80211/iface.c:2305 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681 mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5664 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x812/0xd60 net/core/net_namespace.c:652 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317 worker_thread+0x870/0xd30 kernel/workqueue.c:3398 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 bridge0: port 1(bridge_slave_0) entered disabled state bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed Warning: Permanently added '10.128.0.255' (ED25519) to the list of known hosts. 2025/01/25 06:13:07 ignoring optional flag "sandboxArg"="0" 2025/01/25 06:13:07 parsed 1 programs [ 67.817620][ T5818] cgroup: Unknown subsys name 'net' [ 67.966227][ T5818] cgroup: Unknown subsys name 'cpuset' [ 67.975467][ T5818] cgroup: Unknown subsys name 'rlimit' [ 69.388902][ T5818] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.773370][ T1298] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.779962][ T1298] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.863751][ T5827] 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. [ 72.242075][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.262749][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.313323][ T1145] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.321210][ T1145] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.757940][ T191] [ 72.760321][ T191] ====================================================== [ 72.767522][ T191] WARNING: possible circular locking dependency detected [ 72.774553][ T191] 6.13.0-syzkaller-07078-gb46c89c08f41 #0 Not tainted [ 72.781320][ T191] ------------------------------------------------------ [ 72.788348][ T191] kworker/u8:5/191 is trying to acquire lock: [ 72.794419][ T191] ffffffff8fcb1088 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 72.804903][ T191] [ 72.804903][ T191] but task is already holding lock: [ 72.812538][ T191] ffff88806db60768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 72.823088][ T191] [ 72.823088][ T191] which lock already depends on the new lock. [ 72.823088][ T191] [ 72.833568][ T191] [ 72.833568][ T191] the existing dependency chain (in reverse order) is: [ 72.842683][ T191] [ 72.842683][ T191] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 72.850418][ T191] lock_acquire+0x1ed/0x550 [ 72.855444][ T191] __mutex_lock+0x19c/0x1010 [ 72.860544][ T191] wiphy_register+0x1a49/0x27b0 [ 72.865912][ T191] ieee80211_register_hw+0x354e/0x4240 [ 72.871885][ T191] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 72.878117][ T191] init_mac80211_hwsim+0x87a/0xb00 [ 72.883751][ T191] do_one_initcall+0x248/0x870 [ 72.889027][ T191] do_initcall_level+0x157/0x210 [ 72.894594][ T191] do_initcalls+0x3f/0x80 [ 72.899545][ T191] kernel_init_freeable+0x435/0x5d0 [ 72.905266][ T191] kernel_init+0x1d/0x2b0 [ 72.910109][ T191] ret_from_fork+0x4b/0x80 [ 72.915041][ T191] ret_from_fork_asm+0x1a/0x30 [ 72.920348][ T191] [ 72.920348][ T191] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 72.927664][ T191] validate_chain+0x18ef/0x5920 [ 72.933051][ T191] __lock_acquire+0x1397/0x2100 [ 72.938507][ T191] lock_acquire+0x1ed/0x550 [ 72.943783][ T191] __mutex_lock+0x19c/0x1010 [ 72.948983][ T191] unregister_netdevice_many_notify+0xac2/0x2030 [ 72.955914][ T191] unregister_netdevice_queue+0x303/0x370 [ 72.962235][ T191] _cfg80211_unregister_wdev+0x163/0x590 [ 72.968382][ T191] ieee80211_remove_interfaces+0x4ef/0x700 [ 72.974762][ T191] ieee80211_unregister_hw+0x5d/0x2c0 [ 72.980764][ T191] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 72.986832][ T191] hwsim_exit_net+0x5c1/0x670 [ 72.992034][ T191] cleanup_net+0x812/0xd60 [ 72.997047][ T191] process_scheduled_works+0xa66/0x1840 [ 73.003104][ T191] worker_thread+0x870/0xd30 [ 73.008200][ T191] kthread+0x7a9/0x920 [ 73.012782][ T191] ret_from_fork+0x4b/0x80 [ 73.017708][ T191] ret_from_fork_asm+0x1a/0x30 [ 73.023156][ T191] [ 73.023156][ T191] other info that might help us debug this: [ 73.023156][ T191] [ 73.033368][ T191] Possible unsafe locking scenario: [ 73.033368][ T191] [ 73.040982][ T191] CPU0 CPU1 [ 73.046432][ T191] ---- ---- [ 73.051886][ T191] lock(&rdev->wiphy.mtx); [ 73.056383][ T191] lock(rtnl_mutex); [ 73.062892][ T191] lock(&rdev->wiphy.mtx); [ 73.069908][ T191] lock(rtnl_mutex); [ 73.073925][ T191] [ 73.073925][ T191] *** DEADLOCK *** [ 73.073925][ T191] [ 73.082057][ T191] 4 locks held by kworker/u8:5/191: [ 73.087261][ T191] #0: ffff88801baf3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 73.098334][ T191] #1: ffffc90002fb7c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 73.108874][ T191] #2: ffffffff8fca4ad0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 73.118288][ T191] #3: ffff88806db60768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 73.129096][ T191] [ 73.129096][ T191] stack backtrace: [ 73.135024][ T191] CPU: 1 UID: 0 PID: 191 Comm: kworker/u8:5 Not tainted 6.13.0-syzkaller-07078-gb46c89c08f41 #0 [ 73.135039][ T191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 73.135048][ T191] Workqueue: netns cleanup_net [ 73.135072][ T191] Call Trace: [ 73.135077][ T191] [ 73.135083][ T191] dump_stack_lvl+0x241/0x360 [ 73.135104][ T191] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.135122][ T191] ? __pfx__printk+0x10/0x10 [ 73.135142][ T191] print_circular_bug+0x13a/0x1b0 [ 73.135161][ T191] check_noncircular+0x36a/0x4a0 [ 73.135180][ T191] ? __pfx_check_noncircular+0x10/0x10 [ 73.135198][ T191] ? lockdep_lock+0x123/0x2b0 [ 73.135215][ T191] validate_chain+0x18ef/0x5920 [ 73.135239][ T191] ? __pfx_validate_chain+0x10/0x10 [ 73.135258][ T191] ? mark_lock+0x9a/0x360 [ 73.135274][ T191] ? __lock_acquire+0x1397/0x2100 [ 73.135293][ T191] ? mark_lock+0x9a/0x360 [ 73.135309][ T191] __lock_acquire+0x1397/0x2100 [ 73.135328][ T191] lock_acquire+0x1ed/0x550 [ 73.135342][ T191] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 73.135363][ T191] ? __pfx_lock_acquire+0x10/0x10 [ 73.135378][ T191] ? __pfx___might_resched+0x10/0x10 [ 73.135392][ T191] ? finish_wait+0xd4/0x1e0 [ 73.135408][ T191] __mutex_lock+0x19c/0x1010 [ 73.135422][ T191] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 73.135444][ T191] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 73.135462][ T191] ? __pfx___mutex_lock+0x10/0x10 [ 73.135476][ T191] ? __pfx___might_resched+0x10/0x10 [ 73.135489][ T191] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 73.135508][ T191] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 73.135527][ T191] unregister_netdevice_many_notify+0xac2/0x2030 [ 73.135546][ T191] ? mark_lock+0x9a/0x360 [ 73.135564][ T191] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 73.135582][ T191] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 73.135598][ T191] ? __pfx_lock_release+0x10/0x10 [ 73.135618][ T191] unregister_netdevice_queue+0x303/0x370 [ 73.135635][ T191] ? __pfx_up_write+0x10/0x10 [ 73.135646][ T191] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 73.135665][ T191] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 73.135681][ T191] _cfg80211_unregister_wdev+0x163/0x590 [ 73.135697][ T191] ieee80211_remove_interfaces+0x4ef/0x700 [ 73.135717][ T191] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 73.135734][ T191] ? rcu_is_watching+0x15/0xb0 [ 73.135754][ T191] ieee80211_unregister_hw+0x5d/0x2c0 [ 73.135771][ T191] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 73.135790][ T191] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 73.135809][ T191] hwsim_exit_net+0x5c1/0x670 [ 73.135824][ T191] ? __pfx_hwsim_exit_net+0x10/0x10 [ 73.135839][ T191] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 73.135855][ T191] cleanup_net+0x812/0xd60 [ 73.135871][ T191] ? __pfx_cleanup_net+0x10/0x10 [ 73.135888][ T191] ? process_scheduled_works+0x976/0x1840 [ 73.135901][ T191] process_scheduled_works+0xa66/0x1840 [ 73.135927][ T191] ? __pfx_process_scheduled_works+0x10/0x10 [ 73.135943][ T191] ? assign_work+0x364/0x3d0 [ 73.135956][ T191] worker_thread+0x870/0xd30 [ 73.135971][ T191] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.135985][ T191] ? __kthread_parkme+0x169/0x1d0 [ 73.135999][ T191] ? __pfx_worker_thread+0x10/0x10 [ 73.136012][ T191] kthread+0x7a9/0x920 [ 73.136026][ T191] ? __pfx_kthread+0x10/0x10 [ 73.136041][ T191] ? __pfx_worker_thread+0x10/0x10 [ 73.136053][ T191] ? __pfx_kthread+0x10/0x10 [ 73.136067][ T191] ? __pfx_kthread+0x10/0x10 [ 73.136082][ T191] ? __pfx_kthread+0x10/0x10 [ 73.136096][ T191] ? _raw_spin_unlock_irq+0x23/0x50 [ 73.136107][ T191] ? lockdep_hardirqs_on+0x99/0x150 [ 73.136120][ T191] ? __pfx_kthread+0x10/0x10 [ 73.136135][ T191] ret_from_fork+0x4b/0x80 [ 73.136149][ T191] ? __pfx_kthread+0x10/0x10 [ 73.136163][ T191] ret_from_fork_asm+0x1a/0x30 [ 73.136180][ T191] [ 73.836857][ T5861] chnl_net:caif_netlink_parms(): no params data found [ 73.881263][ T5861] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.888890][ T5861] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.896155][ T5861] bridge_slave_0: entered allmulticast mode [ 73.902872][ T5861] bridge_slave_0: entered promiscuous mode [ 73.913436][ T5861] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.920587][ T5861] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.927883][ T5861] bridge_slave_1: entered allmulticast mode [ 73.934977][ T5861] bridge_slave_1: entered promiscuous mode [ 73.953426][ T5861] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.964663][ T5861] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.988035][ T5861] team0: Port device team_slave_0 added [ 73.996194][ T5861] team0: Port device team_slave_1 added [ 74.013679][ T5861] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 74.020915][ T5861] 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. [ 74.047341][ T5861] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 74.058915][ T5861] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 74.066553][ T5861] 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. [ 74.093059][ T5861] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 74.118046][ T5861] hsr_slave_0: entered promiscuous mode [ 74.124345][ T5861] hsr_slave_1: entered promiscuous mode [ 74.181509][ T5861] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.190103][ T5861] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.199235][ T5861] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.208142][ T5861] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.223145][ T5861] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.230221][ T5861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.237651][ T5861] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.244760][ T5861] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.275112][ T5861] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.288283][ T191] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.296174][ T191] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.306750][ T5861] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.317152][ T191] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.324236][ T191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.335779][ T52] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.342970][ T52] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.423291][ T5861] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.447240][ T5861] veth0_vlan: entered promiscuous mode [ 74.456357][ T5861] veth1_vlan: entered promiscuous mode [ 74.473758][ T5861] veth0_macvtap: entered promiscuous mode [ 74.481466][ T5861] veth1_macvtap: entered promiscuous mode [ 74.496104][ T5861] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.507770][ T5861] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.518030][ T5861] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.527075][ T5861] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.536334][ T5861] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.545832][ T5861] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.608749][ T191] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.656384][ T191] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.707704][ T191] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.739086][ T191] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 75.268402][ T5903] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.276047][ T5903] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.284633][ T5903] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.292349][ T5903] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.300674][ T5903] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.308084][ T5903] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 2025/01/25 06:13:17 executed programs: 0 [ 75.657084][ T5903] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.664451][ T5903] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.671777][ T5903] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.680556][ T5903] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.690295][ T5903] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.697850][ T5903] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.769216][ T5914] chnl_net:caif_netlink_parms(): no params data found [ 75.803158][ T5914] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.810324][ T5914] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.818216][ T5914] bridge_slave_0: entered allmulticast mode [ 75.825097][ T5914] bridge_slave_0: entered promiscuous mode [ 75.832030][ T5914] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.839297][ T5914] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.846679][ T5914] bridge_slave_1: entered allmulticast mode [ 75.853714][ T5914] bridge_slave_1: entered promiscuous mode [ 75.872283][ T5914] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.884305][ T5914] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.904937][ T5914] team0: Port device team_slave_0 added [ 75.911692][ T5914] team0: Port device team_slave_1 added [ 75.927564][ T5914] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.934905][ T5914] 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. [ 75.961248][ T5914] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.974677][ T5914] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.981640][ T5914] 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. [ 76.008065][ T5914] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.037492][ T5914] hsr_slave_0: entered promiscuous mode [ 76.043630][ T5914] hsr_slave_1: entered promiscuous mode [ 76.049538][ T5914] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 76.057316][ T5914] Cannot create hsr debugfs directory [ 77.673845][ T191] bridge_slave_1: left allmulticast mode [ 77.680030][ T191] bridge_slave_1: left promiscuous mode [ 77.686037][ T191] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.694453][ T191] bridge_slave_0: left allmulticast mode [ 77.700095][ T191] bridge_slave_0: left promiscuous mode [ 77.706122][ T191] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.763929][ T5903] Bluetooth: hci0: command tx timeout [ 77.827173][ T191] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.837228][ T191] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.846873][ T191] bond0 (unregistering): Released all slaves [ 77.916951][ T191] hsr_slave_0: left promiscuous mode [ 77.923842][ T191] hsr_slave_1: left promiscuous mode [ 77.929620][ T191] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.938042][ T191] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 77.946606][ T191] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 77.954897][ T191] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 77.964812][ T191] veth1_macvtap: left promiscuous mode [ 77.970794][ T191] veth0_macvtap: left promiscuous mode [ 77.977484][ T191] veth1_vlan: left promiscuous mode [ 77.982964][ T191] veth0_vlan: left promiscuous mode [ 78.105590][ T191] team0 (unregistering): Port device team_slave_1 removed [ 78.118839][ T191] team0 (unregistering): Port device team_slave_0 removed [ 78.205378][ T5914] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.219462][ T5914] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.228243][ T5914] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.245298][ T5914] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.299843][ T5914] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.322149][ T5914] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.332255][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.339681][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.368981][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.376250][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.478835][ T5914] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.588385][ T5914] veth0_vlan: entered promiscuous mode [ 78.601616][ T5914] veth1_vlan: entered promiscuous mode [ 78.618883][ T5914] veth0_macvtap: entered promiscuous mode [ 78.626997][ T5914] veth1_macvtap: entered promiscuous mode [ 78.650011][ T5914] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.661352][ T5914] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.671059][ T5914] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.679924][ T5914] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.688675][ T5914] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.697487][ T5914] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.723803][ T5914] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 78.744150][ T1145] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.746296][ T5914] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 78.751986][ T1145] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.781069][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.789789][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 syzkaller build log: go env (err=) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' 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-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1935740455=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at d3ccff6372 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=d3ccff6372e07c6aabd02b5da419aa6492b5f0ad -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241226-091248'" "-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=\"d3ccff6372e07c6aabd02b5da419aa6492b5f0ad\" /usr/bin/ld: /tmp/ccNSfe7C.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