possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted ------------------------------------------------------ kworker/u8:0/11 is trying to acquire lock: ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 net/core/dev.c:11792 but task is already holding lock: ffff88807d038768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff88807d038768 (&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/u8:0/11: #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline] #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3317 #1: ffffc90000107c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc90000107c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3317 #2: ffffffff8fcb94d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 net/core/net_namespace.c:606 #3: ffff88807d038768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff88807d038768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 stack backtrace: CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-syzkaller-04046-g0ad9617c78ac #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 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 Warning: Permanently added '10.128.0.122' (ED25519) to the list of known hosts. 2025/01/29 15:34:12 ignoring optional flag "sandboxArg"="0" 2025/01/29 15:34:12 parsed 1 programs [ 63.335048][ T5830] cgroup: Unknown subsys name 'net' [ 63.461047][ T5830] cgroup: Unknown subsys name 'cpuset' [ 63.469162][ T5830] cgroup: Unknown subsys name 'rlimit' [ 64.784798][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 67.398452][ T5849] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.408248][ T5849] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.416217][ T5849] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.442418][ T5849] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.450314][ T5849] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.458184][ T5849] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 67.622352][ T5844] 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. [ 67.823870][ T71] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.850773][ T71] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 67.950434][ T35] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 67.983002][ T35] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.208532][ T11] [ 69.211071][ T11] ====================================================== [ 69.218099][ T11] WARNING: possible circular locking dependency detected [ 69.225133][ T11] 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted [ 69.231900][ T11] ------------------------------------------------------ [ 69.238932][ T11] kworker/u8:0/11 is trying to acquire lock: [ 69.245013][ T11] ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 69.255415][ T11] [ 69.255415][ T11] but task is already holding lock: [ 69.262802][ T11] ffff88807d038768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 69.273443][ T11] [ 69.273443][ T11] which lock already depends on the new lock. [ 69.273443][ T11] [ 69.283920][ T11] [ 69.283920][ T11] the existing dependency chain (in reverse order) is: [ 69.293006][ T11] [ 69.293006][ T11] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 69.300731][ T11] lock_acquire+0x1ed/0x550 [ 69.305766][ T11] __mutex_lock+0x19c/0x1010 [ 69.310979][ T11] wiphy_register+0x1a49/0x27b0 [ 69.316429][ T11] ieee80211_register_hw+0x354e/0x4240 [ 69.322405][ T11] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 69.328654][ T11] init_mac80211_hwsim+0x87a/0xb00 [ 69.334300][ T11] do_one_initcall+0x248/0x870 [ 69.339578][ T11] do_initcall_level+0x157/0x210 [ 69.345026][ T11] do_initcalls+0x3f/0x80 [ 69.349864][ T11] kernel_init_freeable+0x435/0x5d0 [ 69.355572][ T11] kernel_init+0x1d/0x2b0 [ 69.360410][ T11] ret_from_fork+0x4b/0x80 [ 69.365358][ T11] ret_from_fork_asm+0x1a/0x30 [ 69.370653][ T11] [ 69.370653][ T11] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 69.377857][ T11] validate_chain+0x18ef/0x5920 [ 69.383223][ T11] __lock_acquire+0x1397/0x2100 [ 69.388583][ T11] lock_acquire+0x1ed/0x550 [ 69.393596][ T11] __mutex_lock+0x19c/0x1010 [ 69.398789][ T11] unregister_netdevice_many_notify+0xac2/0x2030 [ 69.405649][ T11] unregister_netdevice_queue+0x303/0x370 [ 69.411963][ T11] _cfg80211_unregister_wdev+0x163/0x590 [ 69.418116][ T11] ieee80211_remove_interfaces+0x4ef/0x700 [ 69.424434][ T11] ieee80211_unregister_hw+0x5d/0x2c0 [ 69.430347][ T11] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 69.436429][ T11] hwsim_exit_net+0x5c1/0x670 [ 69.441623][ T11] cleanup_net+0x812/0xd60 [ 69.446599][ T11] process_scheduled_works+0xa66/0x1840 [ 69.452655][ T11] worker_thread+0x870/0xd30 [ 69.457753][ T11] kthread+0x7a9/0x920 [ 69.462338][ T11] ret_from_fork+0x4b/0x80 [ 69.467347][ T11] ret_from_fork_asm+0x1a/0x30 [ 69.472619][ T11] [ 69.472619][ T11] other info that might help us debug this: [ 69.472619][ T11] [ 69.482836][ T11] Possible unsafe locking scenario: [ 69.482836][ T11] [ 69.490278][ T11] CPU0 CPU1 [ 69.495631][ T11] ---- ---- [ 69.500979][ T11] lock(&rdev->wiphy.mtx); [ 69.505473][ T11] lock(rtnl_mutex); [ 69.512051][ T11] lock(&rdev->wiphy.mtx); [ 69.519075][ T11] lock(rtnl_mutex); [ 69.523047][ T11] [ 69.523047][ T11] *** DEADLOCK *** [ 69.523047][ T11] [ 69.531201][ T11] 4 locks held by kworker/u8:0/11: [ 69.536309][ T11] #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 69.547176][ T11] #1: ffffc90000107c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 69.557691][ T11] #2: ffffffff8fcb94d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 69.567164][ T11] #3: ffff88807d038768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 69.577939][ T11] [ 69.577939][ T11] stack backtrace: [ 69.583859][ T11] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-syzkaller-04046-g0ad9617c78ac #0 [ 69.583875][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 69.583884][ T11] Workqueue: netns cleanup_net [ 69.583905][ T11] Call Trace: [ 69.583913][ T11] [ 69.583919][ T11] dump_stack_lvl+0x241/0x360 [ 69.583939][ T11] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.583955][ T11] ? __pfx__printk+0x10/0x10 [ 69.583974][ T11] print_circular_bug+0x13a/0x1b0 [ 69.583993][ T11] check_noncircular+0x36a/0x4a0 [ 69.584012][ T11] ? __pfx_check_noncircular+0x10/0x10 [ 69.584029][ T11] ? lockdep_lock+0x123/0x2b0 [ 69.584044][ T11] ? kvm_sched_clock_read+0x11/0x20 [ 69.584060][ T11] ? psi_task_change+0xed/0x270 [ 69.584072][ T11] ? sched_clock_cpu+0x76/0x490 [ 69.584084][ T11] validate_chain+0x18ef/0x5920 [ 69.584107][ T11] ? __pfx_validate_chain+0x10/0x10 [ 69.584123][ T11] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.584138][ T11] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 69.584154][ T11] ? lockdep_hardirqs_on+0x99/0x150 [ 69.584169][ T11] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 69.584184][ T11] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.584199][ T11] ? do_raw_spin_unlock+0x13c/0x8b0 [ 69.584214][ T11] ? try_to_wake_up+0x959/0x1470 [ 69.584231][ T11] ? mark_lock+0x9a/0x360 [ 69.584245][ T11] ? __pfx_try_to_wake_up+0x10/0x10 [ 69.584260][ T11] __lock_acquire+0x1397/0x2100 [ 69.584279][ T11] lock_acquire+0x1ed/0x550 [ 69.584293][ T11] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 69.584310][ T11] ? __pfx_lock_acquire+0x10/0x10 [ 69.584325][ T11] ? __pfx___might_resched+0x10/0x10 [ 69.584339][ T11] ? finish_wait+0xd4/0x1e0 [ 69.584354][ T11] __mutex_lock+0x19c/0x1010 [ 69.584371][ T11] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 69.584388][ T11] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 69.584404][ T11] ? __pfx___mutex_lock+0x10/0x10 [ 69.584420][ T11] ? __pfx___might_resched+0x10/0x10 [ 69.584433][ T11] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 69.584449][ T11] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 69.584465][ T11] unregister_netdevice_many_notify+0xac2/0x2030 [ 69.584480][ T11] ? mark_lock+0x9a/0x360 [ 69.584499][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 69.584514][ T11] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 69.584530][ T11] ? __pfx_lock_release+0x10/0x10 [ 69.584550][ T11] unregister_netdevice_queue+0x303/0x370 [ 69.584564][ T11] ? __pfx_up_write+0x10/0x10 [ 69.584575][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 69.584590][ T11] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 69.584607][ T11] _cfg80211_unregister_wdev+0x163/0x590 [ 69.584626][ T11] ieee80211_remove_interfaces+0x4ef/0x700 [ 69.584642][ T11] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 69.584656][ T11] ? rcu_is_watching+0x15/0xb0 [ 69.584675][ T11] ieee80211_unregister_hw+0x5d/0x2c0 [ 69.584688][ T11] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 69.584705][ T11] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 69.584722][ T11] hwsim_exit_net+0x5c1/0x670 [ 69.584736][ T11] ? __pfx_hwsim_exit_net+0x10/0x10 [ 69.584749][ T11] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 69.584767][ T11] cleanup_net+0x812/0xd60 [ 69.584780][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 69.584794][ T11] ? process_scheduled_works+0x976/0x1840 [ 69.584806][ T11] process_scheduled_works+0xa66/0x1840 [ 69.584833][ T11] ? __pfx_process_scheduled_works+0x10/0x10 [ 69.584848][ T11] ? assign_work+0x364/0x3d0 [ 69.584861][ T11] worker_thread+0x870/0xd30 [ 69.584878][ T11] ? __kthread_parkme+0x169/0x1d0 [ 69.584892][ T11] ? __pfx_worker_thread+0x10/0x10 [ 69.584905][ T11] kthread+0x7a9/0x920 [ 69.584919][ T11] ? __pfx_kthread+0x10/0x10 [ 69.584933][ T11] ? __pfx_worker_thread+0x10/0x10 [ 69.584946][ T11] ? __pfx_kthread+0x10/0x10 [ 69.584959][ T11] ? __pfx_kthread+0x10/0x10 [ 69.584974][ T11] ? __pfx_kthread+0x10/0x10 [ 69.584987][ T11] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.585002][ T11] ? lockdep_hardirqs_on+0x99/0x150 [ 69.585017][ T11] ? __pfx_kthread+0x10/0x10 [ 69.585031][ T11] ret_from_fork+0x4b/0x80 [ 69.585044][ T11] ? __pfx_kthread+0x10/0x10 [ 69.585058][ T11] ret_from_fork_asm+0x1a/0x30 [ 69.585075][ T11] [ 70.143588][ T5886] chnl_net:caif_netlink_parms(): no params data found [ 70.257368][ T5886] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.264847][ T5886] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.280106][ T5886] bridge_slave_0: entered allmulticast mode [ 70.286882][ T5886] bridge_slave_0: entered promiscuous mode [ 70.327516][ T5886] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.335603][ T5886] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.342892][ T5886] bridge_slave_1: entered allmulticast mode [ 70.350680][ T5886] bridge_slave_1: entered promiscuous mode [ 70.392736][ T5886] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.403808][ T5886] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.440467][ T5886] team0: Port device team_slave_0 added [ 70.458391][ T5886] team0: Port device team_slave_1 added [ 70.485379][ T5886] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.492462][ T5886] 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. [ 70.519039][ T5886] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.532082][ T5886] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.539876][ T5886] 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. [ 70.566573][ T5886] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.600832][ T5886] hsr_slave_0: entered promiscuous mode [ 70.607059][ T5886] hsr_slave_1: entered promiscuous mode [ 70.731955][ T5886] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.747138][ T5886] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.756521][ T5886] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.767599][ T5886] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.783552][ T5886] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.790660][ T5886] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.798109][ T5886] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.805191][ T5886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.839997][ T5886] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.852103][ T1107] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.860234][ T1107] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.873779][ T5886] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.890208][ T71] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.897272][ T71] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.905624][ T71] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.912914][ T71] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.003772][ T5886] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.026662][ T5886] veth0_vlan: entered promiscuous mode [ 71.034932][ T5886] veth1_vlan: entered promiscuous mode [ 71.051940][ T5886] veth0_macvtap: entered promiscuous mode [ 71.061591][ T5886] veth1_macvtap: entered promiscuous mode [ 71.074807][ T5886] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.086657][ T5886] batman_adv: batadv0: Interface activated: batadv_slave_1 2025/01/29 15:34:22 executed programs: 0 [ 71.097247][ T5886] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.106172][ T5886] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.115521][ T5886] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.125177][ T5886] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.196858][ T5849] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.205770][ T5849] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.214254][ T5849] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.222478][ T5849] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.230073][ T5849] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.237311][ T5849] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.326259][ T5925] chnl_net:caif_netlink_parms(): no params data found [ 71.357414][ T5925] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.364693][ T5925] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.372977][ T5925] bridge_slave_0: entered allmulticast mode [ 71.379828][ T5925] bridge_slave_0: entered promiscuous mode [ 71.386948][ T5925] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.395026][ T5925] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.402470][ T5925] bridge_slave_1: entered allmulticast mode [ 71.409502][ T5925] bridge_slave_1: entered promiscuous mode [ 71.426242][ T5925] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.437674][ T5925] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.458995][ T5925] team0: Port device team_slave_0 added [ 71.465724][ T5925] team0: Port device team_slave_1 added [ 71.480741][ T5925] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.488008][ T5925] 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. [ 71.514238][ T5925] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.525914][ T5925] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.533189][ T5925] 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. [ 71.559575][ T5925] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.586028][ T5925] hsr_slave_0: entered promiscuous mode [ 71.592857][ T5925] hsr_slave_1: entered promiscuous mode [ 71.599093][ T5925] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.606653][ T5925] Cannot create hsr debugfs directory [ 71.660301][ T5925] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.669472][ T5925] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.669867][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.683861][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.685857][ T5925] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.699368][ T5925] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.715790][ T5925] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.723027][ T5925] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.730410][ T5925] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.737487][ T5925] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.768949][ T5925] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.781944][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.789831][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.801172][ T5925] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.811422][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.818529][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.830405][ T71] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.837607][ T71] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.921149][ T5925] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.945379][ T5925] veth0_vlan: entered promiscuous mode [ 71.954544][ T5925] veth1_vlan: entered promiscuous mode [ 71.971389][ T5925] veth0_macvtap: entered promiscuous mode [ 71.980018][ T5925] veth1_macvtap: entered promiscuous mode [ 71.992620][ T5925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.003557][ T5925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.014666][ T5925] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.025621][ T5925] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.036815][ T5925] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.049061][ T5925] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.059674][ T5925] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.068940][ T5925] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.078280][ T5925] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.087011][ T5925] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.110668][ T5925] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 72.125534][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.127032][ T5925] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 72.144194][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.162446][ T71] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.170500][ T71] 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-build769215213=/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/cc87vEKA.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