possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted ------------------------------------------------------ kworker/u8:5/1148 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: ffff88807ca20768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff88807ca20768 (&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/u8:5/1148: #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: ffffc9000409fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc9000409fc60 (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: ffff88807ca20768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff88807ca20768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 stack backtrace: CPU: 1 UID: 0 PID: 1148 Comm: kworker/u8:5 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 bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state 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 '10.128.10.44' (ED25519) to the list of known hosts. 2025/01/25 01:55:33 ignoring optional flag "sandboxArg"="0" 2025/01/25 01:55:33 parsed 1 programs [ 65.930231][ T5830] cgroup: Unknown subsys name 'net' [ 66.059650][ T5830] cgroup: Unknown subsys name 'cpuset' [ 66.068150][ T5830] cgroup: Unknown subsys name 'rlimit' [ 67.423511][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 69.715347][ T5840] 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. [ 70.349012][ T54] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.357336][ T54] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.365329][ T54] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.375455][ T54] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.385433][ T54] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.393204][ T54] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.642424][ T3006] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.650798][ T3006] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.673458][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.681919][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.086773][ T1148] [ 71.089143][ T1148] ====================================================== [ 71.096182][ T1148] WARNING: possible circular locking dependency detected [ 71.103220][ T1148] 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted [ 71.110074][ T1148] ------------------------------------------------------ [ 71.117106][ T1148] kworker/u8:5/1148 is trying to acquire lock: [ 71.123260][ T1148] ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 71.133655][ T1148] [ 71.133655][ T1148] but task is already holding lock: [ 71.141112][ T1148] ffff88807ca20768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 71.151463][ T1148] [ 71.151463][ T1148] which lock already depends on the new lock. [ 71.151463][ T1148] [ 71.161851][ T1148] [ 71.161851][ T1148] the existing dependency chain (in reverse order) is: [ 71.170934][ T1148] [ 71.170934][ T1148] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 71.178654][ T1148] lock_acquire+0x1ed/0x550 [ 71.183668][ T1148] __mutex_lock+0x19c/0x1010 [ 71.189030][ T1148] wiphy_register+0x1a49/0x27b0 [ 71.194442][ T1148] ieee80211_register_hw+0x354e/0x4240 [ 71.200500][ T1148] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 71.206822][ T1148] init_mac80211_hwsim+0x87a/0xb00 [ 71.212528][ T1148] do_one_initcall+0x248/0x870 [ 71.217834][ T1148] do_initcall_level+0x157/0x210 [ 71.223286][ T1148] do_initcalls+0x3f/0x80 [ 71.228128][ T1148] kernel_init_freeable+0x435/0x5d0 [ 71.233834][ T1148] kernel_init+0x1d/0x2b0 [ 71.238672][ T1148] ret_from_fork+0x4b/0x80 [ 71.243773][ T1148] ret_from_fork_asm+0x1a/0x30 [ 71.249046][ T1148] [ 71.249046][ T1148] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 71.256269][ T1148] validate_chain+0x18ef/0x5920 [ 71.261658][ T1148] __lock_acquire+0x1397/0x2100 [ 71.267032][ T1148] lock_acquire+0x1ed/0x550 [ 71.272047][ T1148] __mutex_lock+0x19c/0x1010 [ 71.277150][ T1148] unregister_netdevice_many_notify+0xac2/0x2030 [ 71.283988][ T1148] unregister_netdevice_queue+0x303/0x370 [ 71.290235][ T1148] _cfg80211_unregister_wdev+0x163/0x590 [ 71.296379][ T1148] ieee80211_remove_interfaces+0x4ef/0x700 [ 71.302694][ T1148] ieee80211_unregister_hw+0x5d/0x2c0 [ 71.308569][ T1148] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 71.314633][ T1148] hwsim_exit_net+0x5c1/0x670 [ 71.319836][ T1148] cleanup_net+0x812/0xd60 [ 71.324779][ T1148] process_scheduled_works+0xa66/0x1840 [ 71.330843][ T1148] worker_thread+0x870/0xd30 [ 71.336030][ T1148] kthread+0x7a9/0x920 [ 71.340608][ T1148] ret_from_fork+0x4b/0x80 [ 71.345564][ T1148] ret_from_fork_asm+0x1a/0x30 [ 71.350833][ T1148] [ 71.350833][ T1148] other info that might help us debug this: [ 71.350833][ T1148] [ 71.361048][ T1148] Possible unsafe locking scenario: [ 71.361048][ T1148] [ 71.368480][ T1148] CPU0 CPU1 [ 71.373826][ T1148] ---- ---- [ 71.379174][ T1148] lock(&rdev->wiphy.mtx); [ 71.383669][ T1148] lock(rtnl_mutex); [ 71.390156][ T1148] lock(&rdev->wiphy.mtx); [ 71.397164][ T1148] lock(rtnl_mutex); [ 71.401154][ T1148] [ 71.401154][ T1148] *** DEADLOCK *** [ 71.401154][ T1148] [ 71.409300][ T1148] 4 locks held by kworker/u8:5/1148: [ 71.414568][ T1148] #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 71.425454][ T1148] #1: ffffc9000409fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 71.436079][ T1148] #2: ffffffff8fcb94d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 71.445484][ T1148] #3: ffff88807ca20768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 71.456266][ T1148] [ 71.456266][ T1148] stack backtrace: [ 71.462332][ T1148] CPU: 1 UID: 0 PID: 1148 Comm: kworker/u8:5 Not tainted 6.13.0-syzkaller-04046-g0ad9617c78ac #0 [ 71.462347][ T1148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 71.462356][ T1148] Workqueue: netns cleanup_net [ 71.462375][ T1148] Call Trace: [ 71.462383][ T1148] [ 71.462389][ T1148] dump_stack_lvl+0x241/0x360 [ 71.462408][ T1148] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.462424][ T1148] ? __pfx__printk+0x10/0x10 [ 71.462441][ T1148] print_circular_bug+0x13a/0x1b0 [ 71.462461][ T1148] check_noncircular+0x36a/0x4a0 [ 71.462479][ T1148] ? __pfx_check_noncircular+0x10/0x10 [ 71.462495][ T1148] ? lockdep_lock+0x123/0x2b0 [ 71.462510][ T1148] ? kvm_sched_clock_read+0x11/0x20 [ 71.462527][ T1148] ? psi_task_change+0xed/0x270 [ 71.462538][ T1148] ? sched_clock_cpu+0x76/0x490 [ 71.462550][ T1148] validate_chain+0x18ef/0x5920 [ 71.462573][ T1148] ? __pfx_validate_chain+0x10/0x10 [ 71.462589][ T1148] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.462604][ T1148] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 71.462620][ T1148] ? lockdep_hardirqs_on+0x99/0x150 [ 71.462636][ T1148] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 71.462650][ T1148] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 71.462665][ T1148] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.462680][ T1148] ? try_to_wake_up+0x959/0x1470 [ 71.462697][ T1148] ? mark_lock+0x9a/0x360 [ 71.462711][ T1148] ? __pfx_try_to_wake_up+0x10/0x10 [ 71.462726][ T1148] __lock_acquire+0x1397/0x2100 [ 71.462745][ T1148] lock_acquire+0x1ed/0x550 [ 71.462758][ T1148] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 71.462776][ T1148] ? __pfx_lock_acquire+0x10/0x10 [ 71.462796][ T1148] ? __pfx___might_resched+0x10/0x10 [ 71.462809][ T1148] ? finish_wait+0xd4/0x1e0 [ 71.462825][ T1148] __mutex_lock+0x19c/0x1010 [ 71.462841][ T1148] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 71.462859][ T1148] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 71.462874][ T1148] ? __pfx___mutex_lock+0x10/0x10 [ 71.462890][ T1148] ? __pfx___might_resched+0x10/0x10 [ 71.462904][ T1148] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 71.462919][ T1148] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 71.462935][ T1148] unregister_netdevice_many_notify+0xac2/0x2030 [ 71.462950][ T1148] ? mark_lock+0x9a/0x360 [ 71.462968][ T1148] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 71.462983][ T1148] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 71.463000][ T1148] ? __pfx_lock_release+0x10/0x10 [ 71.463020][ T1148] unregister_netdevice_queue+0x303/0x370 [ 71.463033][ T1148] ? __pfx_up_write+0x10/0x10 [ 71.463045][ T1148] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 71.463061][ T1148] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 71.463077][ T1148] _cfg80211_unregister_wdev+0x163/0x590 [ 71.463096][ T1148] ieee80211_remove_interfaces+0x4ef/0x700 [ 71.463112][ T1148] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 71.463126][ T1148] ? rcu_is_watching+0x15/0xb0 [ 71.463144][ T1148] ieee80211_unregister_hw+0x5d/0x2c0 [ 71.463157][ T1148] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 71.463175][ T1148] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 71.463192][ T1148] hwsim_exit_net+0x5c1/0x670 [ 71.463205][ T1148] ? __pfx_hwsim_exit_net+0x10/0x10 [ 71.463218][ T1148] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 71.463237][ T1148] cleanup_net+0x812/0xd60 [ 71.463250][ T1148] ? __pfx_cleanup_net+0x10/0x10 [ 71.463264][ T1148] ? process_scheduled_works+0x976/0x1840 [ 71.463277][ T1148] process_scheduled_works+0xa66/0x1840 [ 71.463297][ T1148] ? __pfx_process_scheduled_works+0x10/0x10 [ 71.463312][ T1148] ? assign_work+0x364/0x3d0 [ 71.463325][ T1148] worker_thread+0x870/0xd30 [ 71.463340][ T1148] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 71.463356][ T1148] ? __kthread_parkme+0x169/0x1d0 [ 71.463370][ T1148] ? __pfx_worker_thread+0x10/0x10 [ 71.463382][ T1148] kthread+0x7a9/0x920 [ 71.463396][ T1148] ? __pfx_kthread+0x10/0x10 [ 71.463411][ T1148] ? __pfx_worker_thread+0x10/0x10 [ 71.463424][ T1148] ? __pfx_kthread+0x10/0x10 [ 71.463437][ T1148] ? __pfx_kthread+0x10/0x10 [ 71.463452][ T1148] ? __pfx_kthread+0x10/0x10 [ 71.463465][ T1148] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.463479][ T1148] ? lockdep_hardirqs_on+0x99/0x150 [ 71.463494][ T1148] ? __pfx_kthread+0x10/0x10 [ 71.463509][ T1148] ret_from_fork+0x4b/0x80 [ 71.463522][ T1148] ? __pfx_kthread+0x10/0x10 [ 71.463536][ T1148] ret_from_fork_asm+0x1a/0x30 [ 71.463552][ T1148] [ 71.898972][ T1294] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.905324][ T1294] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.060098][ T5883] chnl_net:caif_netlink_parms(): no params data found [ 72.096948][ T5883] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.104379][ T5883] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.112065][ T5883] bridge_slave_0: entered allmulticast mode [ 72.118851][ T5883] bridge_slave_0: entered promiscuous mode [ 72.125798][ T5883] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.133088][ T5883] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.140591][ T5883] bridge_slave_1: entered allmulticast mode [ 72.147492][ T5883] bridge_slave_1: entered promiscuous mode [ 72.166951][ T5883] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.178149][ T5883] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.200124][ T5883] team0: Port device team_slave_0 added [ 72.207811][ T5883] team0: Port device team_slave_1 added [ 72.222661][ T5883] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.230108][ T5883] 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. [ 72.256314][ T5883] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.268225][ T5883] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.275213][ T5883] 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. [ 72.301525][ T5883] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.351367][ T5883] hsr_slave_0: entered promiscuous mode [ 72.357444][ T5883] hsr_slave_1: entered promiscuous mode [ 72.418232][ T5883] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.426944][ T5883] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.435344][ T5883] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.447970][ T5883] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.463023][ T5883] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.470219][ T5883] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.477577][ T5883] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.484648][ T5883] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.520009][ T5883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.532800][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.540732][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.553474][ T5883] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.565132][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.572486][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.584806][ T3006] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.592064][ T3006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.671288][ T5883] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.694243][ T5883] veth0_vlan: entered promiscuous mode [ 72.704506][ T5883] veth1_vlan: entered promiscuous mode [ 72.721448][ T5883] veth0_macvtap: entered promiscuous mode [ 72.729567][ T5883] veth1_macvtap: entered promiscuous mode [ 72.742546][ T5883] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.754778][ T5883] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.764362][ T5883] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.773249][ T5883] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.782147][ T5883] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.791119][ T5883] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.855299][ T2974] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.930398][ T2974] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 72.971312][ T2974] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 73.053726][ T2974] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/01/25 01:55:43 executed programs: 0 [ 73.562479][ T54] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.569948][ T54] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.577262][ T54] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.584900][ T54] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.592647][ T54] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.601594][ T54] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.669321][ T5924] chnl_net:caif_netlink_parms(): no params data found [ 73.701846][ T5924] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.709125][ T5924] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.716409][ T5924] bridge_slave_0: entered allmulticast mode [ 73.723171][ T5924] bridge_slave_0: entered promiscuous mode [ 73.731127][ T5924] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.738671][ T5924] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.746040][ T5924] bridge_slave_1: entered allmulticast mode [ 73.752760][ T5924] bridge_slave_1: entered promiscuous mode [ 73.771999][ T5924] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.782936][ T5924] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.803742][ T5924] team0: Port device team_slave_0 added [ 73.811098][ T5924] team0: Port device team_slave_1 added [ 73.825899][ T5924] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.832938][ T5924] 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. [ 73.859826][ T5924] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.872307][ T5924] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.879523][ T5924] 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. [ 73.905830][ T5924] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.935074][ T5924] hsr_slave_0: entered promiscuous mode [ 73.941276][ T5924] hsr_slave_1: entered promiscuous mode [ 73.948243][ T5924] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.955829][ T5924] Cannot create hsr debugfs directory [ 75.616752][ T5146] Bluetooth: hci0: command tx timeout [ 76.254198][ T2974] bridge_slave_1: left allmulticast mode [ 76.261643][ T2974] bridge_slave_1: left promiscuous mode [ 76.267873][ T2974] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.275880][ T2974] bridge_slave_0: left allmulticast mode [ 76.281943][ T2974] bridge_slave_0: left promiscuous mode [ 76.287848][ T2974] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.379638][ T2974] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.389845][ T2974] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.399536][ T2974] bond0 (unregistering): Released all slaves [ 76.510541][ T2974] hsr_slave_0: left promiscuous mode [ 76.516445][ T2974] hsr_slave_1: left promiscuous mode [ 76.523839][ T2974] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.532218][ T2974] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.541309][ T2974] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.549019][ T2974] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.559274][ T2974] veth1_macvtap: left promiscuous mode [ 76.564810][ T2974] veth0_macvtap: left promiscuous mode [ 76.570673][ T2974] veth1_vlan: left promiscuous mode [ 76.575980][ T2974] veth0_vlan: left promiscuous mode [ 76.661970][ T2974] team0 (unregistering): Port device team_slave_1 removed [ 76.677076][ T2974] team0 (unregistering): Port device team_slave_0 removed [ 76.794613][ T5924] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.808226][ T5924] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.820716][ T5924] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.830317][ T5924] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.892124][ T5924] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.919489][ T5924] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.932339][ T1148] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.939478][ T1148] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.952984][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.960105][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.134963][ T5924] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.170354][ T5924] veth0_vlan: entered promiscuous mode [ 77.181568][ T5924] veth1_vlan: entered promiscuous mode [ 77.199930][ T5924] veth0_macvtap: entered promiscuous mode [ 77.207893][ T5924] veth1_macvtap: entered promiscuous mode [ 77.221415][ T5924] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.233155][ T5924] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.251585][ T5924] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.260938][ T5924] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.269715][ T5924] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.278762][ T5924] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.303255][ T5924] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 77.321222][ T1148] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.322465][ T5924] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 77.336955][ T1148] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.363710][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.372033][ 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-build1451016825=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 67d7ec0a69 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=67d7ec0a69193b2acbb8cdb5109d5505a9128ac5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20250109-184308'" "-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=\"67d7ec0a69193b2acbb8cdb5109d5505a9128ac5\" /usr/bin/ld: /tmp/ccRBU56z.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