possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-04788-g7004a2e46d16 #0 Not tainted ------------------------------------------------------ kworker/u8:0/11 is trying to acquire lock: ffffffff8fcaf088 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] ffffffff8fcaf088 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 net/core/dev.c:11792 but task is already holding lock: ffff88805cef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff88805cef8768 (&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: 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: 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: ffffffff8fca2ad0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 net/core/net_namespace.c:606 #3: ffff88805cef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff88805cef8768 (&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-04788-g7004a2e46d16 #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 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. 2025/01/22 23:15:12 ignoring optional flag "sandboxArg"="0" 2025/01/22 23:15:13 parsed 1 programs [ 65.065191][ T5820] cgroup: Unknown subsys name 'net' [ 65.231795][ T5820] cgroup: Unknown subsys name 'cpuset' [ 65.239853][ T5820] cgroup: Unknown subsys name 'rlimit' [ 66.595745][ T5820] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 69.098625][ T5829] 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. [ 69.343315][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.352816][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.361132][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.371240][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.381375][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.389307][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.615558][ T1088] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.628703][ T1088] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.652131][ T1088] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.660752][ T1088] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.090108][ T11] [ 70.092493][ T11] ====================================================== [ 70.099530][ T11] WARNING: possible circular locking dependency detected [ 70.106650][ T11] 6.13.0-syzkaller-04788-g7004a2e46d16 #0 Not tainted [ 70.113438][ T11] ------------------------------------------------------ [ 70.120471][ T11] kworker/u8:0/11 is trying to acquire lock: [ 70.126462][ T11] ffffffff8fcaf088 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 70.136879][ T11] [ 70.136879][ T11] but task is already holding lock: [ 70.144262][ T11] ffff88805cef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 70.154825][ T11] [ 70.154825][ T11] which lock already depends on the new lock. [ 70.154825][ T11] [ 70.165331][ T11] [ 70.165331][ T11] the existing dependency chain (in reverse order) is: [ 70.174362][ T11] [ 70.174362][ T11] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 70.182206][ T11] lock_acquire+0x1ed/0x550 [ 70.187248][ T11] __mutex_lock+0x19c/0x1010 [ 70.192351][ T11] wiphy_register+0x1a49/0x27b0 [ 70.197709][ T11] ieee80211_register_hw+0x354e/0x4240 [ 70.203673][ T11] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 70.209904][ T11] init_mac80211_hwsim+0x87a/0xb00 [ 70.215521][ T11] do_one_initcall+0x248/0x870 [ 70.220819][ T11] do_initcall_level+0x157/0x210 [ 70.226278][ T11] do_initcalls+0x3f/0x80 [ 70.231117][ T11] kernel_init_freeable+0x435/0x5d0 [ 70.236824][ T11] kernel_init+0x1d/0x2b0 [ 70.242108][ T11] ret_from_fork+0x4b/0x80 [ 70.247100][ T11] ret_from_fork_asm+0x1a/0x30 [ 70.252475][ T11] [ 70.252475][ T11] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 70.259677][ T11] validate_chain+0x18ef/0x5920 [ 70.265056][ T11] __lock_acquire+0x1397/0x2100 [ 70.270423][ T11] lock_acquire+0x1ed/0x550 [ 70.275609][ T11] __mutex_lock+0x19c/0x1010 [ 70.280726][ T11] unregister_netdevice_many_notify+0xac2/0x2030 [ 70.287584][ T11] unregister_netdevice_queue+0x303/0x370 [ 70.293824][ T11] _cfg80211_unregister_wdev+0x163/0x590 [ 70.300056][ T11] ieee80211_remove_interfaces+0x4ef/0x700 [ 70.306374][ T11] ieee80211_unregister_hw+0x5d/0x2c0 [ 70.312276][ T11] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 70.318329][ T11] hwsim_exit_net+0x5c1/0x670 [ 70.323532][ T11] cleanup_net+0x812/0xd60 [ 70.328453][ T11] process_scheduled_works+0xa66/0x1840 [ 70.334500][ T11] worker_thread+0x870/0xd30 [ 70.339616][ T11] kthread+0x7a9/0x920 [ 70.344206][ T11] ret_from_fork+0x4b/0x80 [ 70.349127][ T11] ret_from_fork_asm+0x1a/0x30 [ 70.354500][ T11] [ 70.354500][ T11] other info that might help us debug this: [ 70.354500][ T11] [ 70.364708][ T11] Possible unsafe locking scenario: [ 70.364708][ T11] [ 70.372166][ T11] CPU0 CPU1 [ 70.377509][ T11] ---- ---- [ 70.382872][ T11] lock(&rdev->wiphy.mtx); [ 70.387355][ T11] lock(rtnl_mutex); [ 70.393881][ T11] lock(&rdev->wiphy.mtx); [ 70.401192][ T11] lock(rtnl_mutex); [ 70.405266][ T11] [ 70.405266][ T11] *** DEADLOCK *** [ 70.405266][ T11] [ 70.413398][ T11] 4 locks held by kworker/u8:0/11: [ 70.418511][ T11] #0: ffff88801baf3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 70.429412][ T11] #1: ffffc90000107c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 70.439942][ T11] #2: ffffffff8fca2ad0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 70.449361][ T11] #3: ffff88805cef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 70.460149][ T11] [ 70.460149][ T11] stack backtrace: [ 70.466571][ T11] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0 [ 70.466585][ T11] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 70.466594][ T11] Workqueue: netns cleanup_net [ 70.466615][ T11] Call Trace: [ 70.466622][ T11] [ 70.466628][ T11] dump_stack_lvl+0x241/0x360 [ 70.466647][ T11] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.466663][ T11] ? __pfx__printk+0x10/0x10 [ 70.466681][ T11] print_circular_bug+0x13a/0x1b0 [ 70.466699][ T11] check_noncircular+0x36a/0x4a0 [ 70.466717][ T11] ? __pfx_check_noncircular+0x10/0x10 [ 70.466734][ T11] ? lockdep_lock+0x123/0x2b0 [ 70.466748][ T11] ? mark_lock+0x9a/0x360 [ 70.466763][ T11] validate_chain+0x18ef/0x5920 [ 70.466782][ T11] ? lockdep_hardirqs_on+0x99/0x150 [ 70.466796][ T11] ? __pfx_validate_chain+0x10/0x10 [ 70.466811][ T11] ? __schedule+0x1822/0x4b90 [ 70.466833][ T11] ? __pfx___schedule+0x10/0x10 [ 70.466853][ T11] ? mark_lock+0x9a/0x360 [ 70.466868][ T11] __lock_acquire+0x1397/0x2100 [ 70.466888][ T11] lock_acquire+0x1ed/0x550 [ 70.466901][ T11] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 70.466920][ T11] ? __pfx_lock_acquire+0x10/0x10 [ 70.466934][ T11] ? __pfx___might_resched+0x10/0x10 [ 70.466948][ T11] ? kthread_queue_work+0x110/0x180 [ 70.466965][ T11] __mutex_lock+0x19c/0x1010 [ 70.466976][ T11] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 70.466996][ T11] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 70.467013][ T11] ? __pfx___mutex_lock+0x10/0x10 [ 70.467024][ T11] ? __pfx___might_resched+0x10/0x10 [ 70.467037][ T11] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 70.467054][ T11] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 70.467071][ T11] unregister_netdevice_many_notify+0xac2/0x2030 [ 70.467088][ T11] ? mark_lock+0x9a/0x360 [ 70.467106][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 70.467122][ T11] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 70.467142][ T11] ? __pfx_lock_release+0x10/0x10 [ 70.467161][ T11] unregister_netdevice_queue+0x303/0x370 [ 70.467176][ T11] ? __pfx_up_write+0x10/0x10 [ 70.467193][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 70.467209][ T11] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 70.467223][ T11] _cfg80211_unregister_wdev+0x163/0x590 [ 70.467244][ T11] ieee80211_remove_interfaces+0x4ef/0x700 [ 70.467261][ T11] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 70.467276][ T11] ? rcu_is_watching+0x15/0xb0 [ 70.467296][ T11] ieee80211_unregister_hw+0x5d/0x2c0 [ 70.467310][ T11] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 70.467328][ T11] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 70.467346][ T11] hwsim_exit_net+0x5c1/0x670 [ 70.467360][ T11] ? __pfx_hwsim_exit_net+0x10/0x10 [ 70.467374][ T11] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 70.467388][ T11] cleanup_net+0x812/0xd60 [ 70.467402][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 70.467417][ T11] ? process_scheduled_works+0x976/0x1840 [ 70.467428][ T11] process_scheduled_works+0xa66/0x1840 [ 70.467448][ T11] ? __pfx_process_scheduled_works+0x10/0x10 [ 70.467462][ T11] ? assign_work+0x364/0x3d0 [ 70.467474][ T11] worker_thread+0x870/0xd30 [ 70.467491][ T11] ? __kthread_parkme+0x169/0x1d0 [ 70.467505][ T11] ? __pfx_worker_thread+0x10/0x10 [ 70.467516][ T11] kthread+0x7a9/0x920 [ 70.467530][ T11] ? __pfx_kthread+0x10/0x10 [ 70.467544][ T11] ? __pfx_worker_thread+0x10/0x10 [ 70.467556][ T11] ? __pfx_kthread+0x10/0x10 [ 70.467569][ T11] ? __pfx_kthread+0x10/0x10 [ 70.467583][ T11] ? __pfx_kthread+0x10/0x10 [ 70.467596][ T11] ? _raw_spin_unlock_irq+0x23/0x50 [ 70.467612][ T11] ? lockdep_hardirqs_on+0x99/0x150 [ 70.467623][ T11] ? __pfx_kthread+0x10/0x10 [ 70.467637][ T11] ret_from_fork+0x4b/0x80 [ 70.467649][ T11] ? __pfx_kthread+0x10/0x10 [ 70.467663][ T11] ret_from_fork_asm+0x1a/0x30 [ 70.467684][ T11] [ 71.016159][ T5866] chnl_net:caif_netlink_parms(): no params data found [ 71.056800][ T5866] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.064252][ T5866] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.071760][ T5866] bridge_slave_0: entered allmulticast mode [ 71.078674][ T5866] bridge_slave_0: entered promiscuous mode [ 71.085861][ T5866] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.093149][ T5866] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.100543][ T5866] bridge_slave_1: entered allmulticast mode [ 71.107173][ T5866] bridge_slave_1: entered promiscuous mode [ 71.123591][ T5866] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.134325][ T5866] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.154686][ T5866] team0: Port device team_slave_0 added [ 71.161773][ T5866] team0: Port device team_slave_1 added [ 71.209554][ T5866] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.216524][ T5866] 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. [ 71.243040][ T5866] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.254584][ T5866] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.261652][ T5866] 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. [ 71.287832][ T5866] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.311912][ T5866] hsr_slave_0: entered promiscuous mode [ 71.318024][ T5866] hsr_slave_1: entered promiscuous mode [ 71.383033][ T5866] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.392155][ T5866] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.401791][ T5866] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.410243][ T5866] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.430607][ T5866] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.437778][ T5866] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.445176][ T5866] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.452295][ T5866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.482253][ T5866] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.495632][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.503485][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.514493][ T5866] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.524324][ T3440] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.531475][ T3440] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.542155][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.549274][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.631265][ T5866] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.653716][ T5866] veth0_vlan: entered promiscuous mode [ 71.662651][ T5866] veth1_vlan: entered promiscuous mode [ 71.680909][ T5866] veth0_macvtap: entered promiscuous mode [ 71.689028][ T5866] veth1_macvtap: entered promiscuous mode [ 71.701398][ T5866] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.712961][ T5866] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.723213][ T5866] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.732801][ T5866] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.741879][ T5866] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.750779][ T5866] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.833290][ T3440] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.850596][ T1297] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.856921][ T1297] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.901567][ T3440] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 71.961282][ T3440] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.020343][ T3440] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/01/22 23:15:22 executed programs: 0 [ 72.446283][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.453744][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.462186][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.470305][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.477778][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.485238][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.552097][ T5908] chnl_net:caif_netlink_parms(): no params data found [ 72.588336][ T5908] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.595523][ T5908] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.602906][ T5908] bridge_slave_0: entered allmulticast mode [ 72.609663][ T5908] bridge_slave_0: entered promiscuous mode [ 72.616646][ T5908] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.624077][ T5908] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.631438][ T5908] bridge_slave_1: entered allmulticast mode [ 72.638202][ T5908] bridge_slave_1: entered promiscuous mode [ 72.654717][ T5908] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.665976][ T5908] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.687187][ T5908] team0: Port device team_slave_0 added [ 72.694281][ T5908] team0: Port device team_slave_1 added [ 72.709407][ T5908] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.716458][ T5908] 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. [ 72.742985][ T5908] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.755638][ T5908] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.762993][ T5908] 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. [ 72.789144][ T5908] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.817530][ T5908] hsr_slave_0: entered promiscuous mode [ 72.823662][ T5908] hsr_slave_1: entered promiscuous mode [ 72.829803][ T5908] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.837366][ T5908] Cannot create hsr debugfs directory [ 74.568048][ T5135] Bluetooth: hci0: command tx timeout [ 74.985587][ T3440] bridge_slave_1: left allmulticast mode [ 74.991782][ T3440] bridge_slave_1: left promiscuous mode [ 74.997600][ T3440] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.006591][ T3440] bridge_slave_0: left allmulticast mode [ 75.013965][ T3440] bridge_slave_0: left promiscuous mode [ 75.020233][ T3440] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.122105][ T3440] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 75.132156][ T3440] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 75.142302][ T3440] bond0 (unregistering): Released all slaves [ 75.240570][ T3440] hsr_slave_0: left promiscuous mode [ 75.246582][ T3440] hsr_slave_1: left promiscuous mode [ 75.254358][ T3440] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.262733][ T3440] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.271571][ T3440] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.280129][ T3440] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.290583][ T3440] veth1_macvtap: left promiscuous mode [ 75.296143][ T3440] veth0_macvtap: left promiscuous mode [ 75.302800][ T3440] veth1_vlan: left promiscuous mode [ 75.308415][ T3440] veth0_vlan: left promiscuous mode [ 75.404177][ T3440] team0 (unregistering): Port device team_slave_1 removed [ 75.416716][ T3440] team0 (unregistering): Port device team_slave_0 removed [ 75.485279][ T5908] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.494769][ T5908] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.506394][ T5908] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.515201][ T5908] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.571164][ T5908] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.590148][ T5908] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.600858][ T1088] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.608103][ T1088] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.621872][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.629025][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.661217][ T5908] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.830642][ T5908] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.868213][ T5908] veth0_vlan: entered promiscuous mode [ 75.879552][ T5908] veth1_vlan: entered promiscuous mode [ 75.897167][ T5908] veth0_macvtap: entered promiscuous mode [ 75.906115][ T5908] veth1_macvtap: entered promiscuous mode [ 75.925383][ T5908] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.936080][ T5908] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.946674][ T5908] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.956677][ T5908] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.965639][ T5908] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.975108][ T5908] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.009702][ T5908] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 76.031630][ T3496] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.041398][ T5908] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 76.056071][ T3496] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.074679][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.082758][ T12] 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-build3571095961=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 689146651c 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=689146651cb695ec7836080377ad32933a0b9bce -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241129-143606'" "-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=\"689146651cb695ec7836080377ad32933a0b9bce\" /usr/bin/ld: /tmp/cchtphl4.o: in function `test_cover_filter()': executor.cc:(.text+0x14f8b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/cchtphl4.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