possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted ------------------------------------------------------ kworker/u8:6/1144 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: ffff88807b140768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff88807b140768 (&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/u8:6/1144: #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: ffffc90003dcfc60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc90003dcfc60 (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: ffff88807b140768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff88807b140768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 stack backtrace: CPU: 1 UID: 0 PID: 1144 Comm: kworker/u8:6 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 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 Warning: Permanently added '10.128.1.142' (ED25519) to the list of known hosts. 2025/01/25 01:44:32 ignoring optional flag "sandboxArg"="0" 2025/01/25 01:44:32 parsed 1 programs [ 69.915087][ T5829] cgroup: Unknown subsys name 'net' [ 70.061372][ T5829] cgroup: Unknown subsys name 'cpuset' [ 70.070324][ T5829] cgroup: Unknown subsys name 'rlimit' [ 71.313487][ T5829] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.861625][ T1297] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.868320][ T1297] ieee802154 phy1 wpan1: encryption failed: -22 [ 73.752082][ T5839] 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. [ 73.869181][ T5847] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.877593][ T5847] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.885523][ T5847] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.894426][ T5847] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.904210][ T5847] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.912246][ T5847] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.161749][ T5005] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.172302][ T5005] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.211972][ T1171] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.221009][ T1171] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.491786][ T1144] [ 74.494165][ T1144] ====================================================== [ 74.501643][ T1144] WARNING: possible circular locking dependency detected [ 74.508866][ T1144] 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted [ 74.515723][ T1144] ------------------------------------------------------ [ 74.522735][ T1144] kworker/u8:6/1144 is trying to acquire lock: [ 74.528994][ T1144] ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 74.539416][ T1144] [ 74.539416][ T1144] but task is already holding lock: [ 74.546803][ T1144] ffff88807b140768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 74.557298][ T5865] chnl_net:caif_netlink_parms(): no params data found [ 74.557426][ T1144] [ 74.557426][ T1144] which lock already depends on the new lock. [ 74.557426][ T1144] [ 74.557435][ T1144] [ 74.557435][ T1144] the existing dependency chain (in reverse order) is: [ 74.583753][ T1144] [ 74.583753][ T1144] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 74.591914][ T1144] lock_acquire+0x1ed/0x550 [ 74.597197][ T1144] __mutex_lock+0x19c/0x1010 [ 74.602307][ T1144] wiphy_register+0x1a49/0x27b0 [ 74.607688][ T1144] ieee80211_register_hw+0x354e/0x4240 [ 74.613837][ T1144] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 74.620332][ T1144] init_mac80211_hwsim+0x87a/0xb00 [ 74.625957][ T1144] do_one_initcall+0x248/0x870 [ 74.631408][ T1144] do_initcall_level+0x157/0x210 [ 74.636854][ T1144] do_initcalls+0x3f/0x80 [ 74.641698][ T1144] kernel_init_freeable+0x435/0x5d0 [ 74.647591][ T1144] kernel_init+0x1d/0x2b0 [ 74.652429][ T1144] ret_from_fork+0x4b/0x80 [ 74.657356][ T1144] ret_from_fork_asm+0x1a/0x30 [ 74.662629][ T1144] [ 74.662629][ T1144] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 74.669917][ T1144] validate_chain+0x18ef/0x5920 [ 74.675288][ T1144] __lock_acquire+0x1397/0x2100 [ 74.680657][ T1144] lock_acquire+0x1ed/0x550 [ 74.685763][ T1144] __mutex_lock+0x19c/0x1010 [ 74.690954][ T1144] unregister_netdevice_many_notify+0xac2/0x2030 [ 74.697801][ T1144] unregister_netdevice_queue+0x303/0x370 [ 74.704027][ T1144] _cfg80211_unregister_wdev+0x163/0x590 [ 74.710174][ T1144] ieee80211_remove_interfaces+0x4ef/0x700 [ 74.716752][ T1144] ieee80211_unregister_hw+0x5d/0x2c0 [ 74.722632][ T1144] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 74.728691][ T1144] hwsim_exit_net+0x5c1/0x670 [ 74.733898][ T1144] cleanup_net+0x812/0xd60 [ 74.738851][ T1144] process_scheduled_works+0xa66/0x1840 [ 74.744991][ T1144] worker_thread+0x870/0xd30 [ 74.750089][ T1144] kthread+0x7a9/0x920 [ 74.754771][ T1144] ret_from_fork+0x4b/0x80 [ 74.759694][ T1144] ret_from_fork_asm+0x1a/0x30 [ 74.764964][ T1144] [ 74.764964][ T1144] other info that might help us debug this: [ 74.764964][ T1144] [ 74.775264][ T1144] Possible unsafe locking scenario: [ 74.775264][ T1144] [ 74.782798][ T1144] CPU0 CPU1 [ 74.788148][ T1144] ---- ---- [ 74.793658][ T1144] lock(&rdev->wiphy.mtx); [ 74.798180][ T1144] lock(rtnl_mutex); [ 74.804842][ T1144] lock(&rdev->wiphy.mtx); [ 74.811853][ T1144] lock(rtnl_mutex); [ 74.815821][ T1144] [ 74.815821][ T1144] *** DEADLOCK *** [ 74.815821][ T1144] [ 74.823948][ T1144] 4 locks held by kworker/u8:6/1144: [ 74.829499][ T1144] #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 74.840367][ T1144] #1: ffffc90003dcfc60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 74.850972][ T1144] #2: ffffffff8fcb94d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 74.860365][ T1144] #3: ffff88807b140768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 74.871160][ T1144] [ 74.871160][ T1144] stack backtrace: [ 74.877116][ T1144] CPU: 1 UID: 0 PID: 1144 Comm: kworker/u8:6 Not tainted 6.13.0-syzkaller-04046-g0ad9617c78ac #0 [ 74.877132][ T1144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 74.877141][ T1144] Workqueue: netns cleanup_net [ 74.877163][ T1144] Call Trace: [ 74.877171][ T1144] [ 74.877178][ T1144] dump_stack_lvl+0x241/0x360 [ 74.877198][ T1144] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.877213][ T1144] ? __pfx__printk+0x10/0x10 [ 74.877231][ T1144] print_circular_bug+0x13a/0x1b0 [ 74.877250][ T1144] check_noncircular+0x36a/0x4a0 [ 74.877268][ T1144] ? __pfx_check_noncircular+0x10/0x10 [ 74.877285][ T1144] ? lockdep_lock+0x123/0x2b0 [ 74.877304][ T1144] ? do_raw_spin_lock+0x14f/0x370 [ 74.877318][ T1144] validate_chain+0x18ef/0x5920 [ 74.877342][ T1144] ? __pfx_validate_chain+0x10/0x10 [ 74.877361][ T1144] ? mark_lock+0x9a/0x360 [ 74.877376][ T1144] ? __lock_acquire+0x1397/0x2100 [ 74.877395][ T1144] ? mark_lock+0x9a/0x360 [ 74.877411][ T1144] __lock_acquire+0x1397/0x2100 [ 74.877430][ T1144] lock_acquire+0x1ed/0x550 [ 74.877443][ T1144] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 74.877462][ T1144] ? __pfx_lock_acquire+0x10/0x10 [ 74.877476][ T1144] ? __pfx___might_resched+0x10/0x10 [ 74.877491][ T1144] ? finish_wait+0xd4/0x1e0 [ 74.877506][ T1144] __mutex_lock+0x19c/0x1010 [ 74.877525][ T1144] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 74.877543][ T1144] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 74.877558][ T1144] ? __pfx___mutex_lock+0x10/0x10 [ 74.877575][ T1144] ? __pfx___might_resched+0x10/0x10 [ 74.877588][ T1144] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 74.877603][ T1144] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 74.877620][ T1144] unregister_netdevice_many_notify+0xac2/0x2030 [ 74.877636][ T1144] ? mark_lock+0x9a/0x360 [ 74.877655][ T1144] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 74.877670][ T1144] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 74.877687][ T1144] ? __pfx_lock_release+0x10/0x10 [ 74.877707][ T1144] unregister_netdevice_queue+0x303/0x370 [ 74.877726][ T1144] ? __pfx_up_write+0x10/0x10 [ 74.877737][ T1144] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 74.877753][ T1144] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 74.877770][ T1144] _cfg80211_unregister_wdev+0x163/0x590 [ 74.877789][ T1144] ieee80211_remove_interfaces+0x4ef/0x700 [ 74.877806][ T1144] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 74.877820][ T1144] ? rcu_is_watching+0x15/0xb0 [ 74.877839][ T1144] ieee80211_unregister_hw+0x5d/0x2c0 [ 74.877852][ T1144] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 74.877870][ T1144] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 74.877887][ T1144] hwsim_exit_net+0x5c1/0x670 [ 74.877901][ T1144] ? __pfx_hwsim_exit_net+0x10/0x10 [ 74.877914][ T1144] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 74.877934][ T1144] cleanup_net+0x812/0xd60 [ 74.877947][ T1144] ? __pfx_cleanup_net+0x10/0x10 [ 74.877960][ T1144] ? process_scheduled_works+0x976/0x1840 [ 74.877974][ T1144] process_scheduled_works+0xa66/0x1840 [ 74.877994][ T1144] ? __pfx_process_scheduled_works+0x10/0x10 [ 74.878009][ T1144] ? assign_work+0x364/0x3d0 [ 74.878023][ T1144] worker_thread+0x870/0xd30 [ 74.878039][ T1144] ? __kthread_parkme+0x169/0x1d0 [ 74.878054][ T1144] ? __pfx_worker_thread+0x10/0x10 [ 74.878067][ T1144] kthread+0x7a9/0x920 [ 74.878081][ T1144] ? __pfx_kthread+0x10/0x10 [ 74.878096][ T1144] ? __pfx_worker_thread+0x10/0x10 [ 74.878109][ T1144] ? __pfx_kthread+0x10/0x10 [ 74.878128][ T1144] ? __pfx_kthread+0x10/0x10 [ 74.878143][ T1144] ? __pfx_kthread+0x10/0x10 [ 74.878156][ T1144] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.878171][ T1144] ? lockdep_hardirqs_on+0x99/0x150 [ 74.878187][ T1144] ? __pfx_kthread+0x10/0x10 [ 74.878201][ T1144] ret_from_fork+0x4b/0x80 [ 74.878215][ T1144] ? __pfx_kthread+0x10/0x10 [ 74.878229][ T1144] ret_from_fork_asm+0x1a/0x30 [ 74.878245][ T1144] [ 75.285990][ T5865] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.293226][ T5865] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.300538][ T5865] bridge_slave_0: entered allmulticast mode [ 75.307199][ T5865] bridge_slave_0: entered promiscuous mode [ 75.316264][ T5865] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.323913][ T5865] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.331170][ T5865] bridge_slave_1: entered allmulticast mode [ 75.337546][ T5865] bridge_slave_1: entered promiscuous mode [ 75.354597][ T5865] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.366061][ T5865] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.401776][ T5865] team0: Port device team_slave_0 added [ 75.409427][ T5865] team0: Port device team_slave_1 added [ 75.423975][ T5865] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.431452][ T5865] 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. [ 75.457522][ T5865] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.468831][ T5865] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.475780][ T5865] 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. [ 75.502153][ T5865] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.531915][ T5865] hsr_slave_0: entered promiscuous mode [ 75.538126][ T5865] hsr_slave_1: entered promiscuous mode [ 75.600886][ T5865] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.610486][ T5865] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.619742][ T5865] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.628867][ T5865] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.644235][ T5865] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.651479][ T5865] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.658967][ T5865] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.666173][ T5865] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.709677][ T5865] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.721628][ T5005] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.729440][ T5005] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.745000][ T5865] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.755962][ T1171] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.763133][ T1171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.773784][ T5005] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.780933][ T5005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.871108][ T5865] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.896211][ T5865] veth0_vlan: entered promiscuous mode [ 75.904842][ T5865] veth1_vlan: entered promiscuous mode [ 75.921525][ T5865] veth0_macvtap: entered promiscuous mode [ 75.929642][ T5865] veth1_macvtap: entered promiscuous mode [ 75.942952][ T5865] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 75.954300][ T5865] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 75.963937][ T5865] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.972942][ T5865] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.981906][ T5865] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 75.990989][ T5865] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.056343][ T1171] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.111773][ T1171] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.151977][ T1171] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 76.213130][ T1171] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/01/25 01:44:42 executed programs: 0 [ 77.489147][ T5847] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 77.496775][ T5847] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 77.504408][ T5847] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 77.512664][ T5847] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 77.521569][ T5847] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 77.529194][ T5847] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 77.598657][ T5928] chnl_net:caif_netlink_parms(): no params data found [ 77.632857][ T5928] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.640252][ T5928] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.647603][ T5928] bridge_slave_0: entered allmulticast mode [ 77.654426][ T5928] bridge_slave_0: entered promiscuous mode [ 77.661553][ T5928] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.668821][ T5928] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.676080][ T5928] bridge_slave_1: entered allmulticast mode [ 77.682865][ T5928] bridge_slave_1: entered promiscuous mode [ 77.700852][ T5928] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.712037][ T5928] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.731500][ T5928] team0: Port device team_slave_0 added [ 77.738579][ T5928] team0: Port device team_slave_1 added [ 77.754463][ T5928] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.761632][ T5928] 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. [ 77.788460][ T5928] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.800569][ T5928] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.807579][ T5928] 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. [ 77.834405][ T5928] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.860624][ T5928] hsr_slave_0: entered promiscuous mode [ 77.867340][ T5928] hsr_slave_1: entered promiscuous mode [ 77.874056][ T5928] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 77.881764][ T5928] Cannot create hsr debugfs directory [ 79.241259][ T1171] bridge_slave_1: left allmulticast mode [ 79.247013][ T1171] bridge_slave_1: left promiscuous mode [ 79.254936][ T1171] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.263804][ T1171] bridge_slave_0: left allmulticast mode [ 79.270122][ T1171] bridge_slave_0: left promiscuous mode [ 79.275861][ T1171] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.370963][ T1171] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.381690][ T1171] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.391284][ T1171] bond0 (unregistering): Released all slaves [ 79.529275][ T1171] hsr_slave_0: left promiscuous mode [ 79.535109][ T1171] hsr_slave_1: left promiscuous mode [ 79.542133][ T1171] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 79.551413][ T1171] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 79.559595][ T1171] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 79.567195][ T1171] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 79.577313][ T1171] veth1_macvtap: left promiscuous mode [ 79.583195][ T1171] veth0_macvtap: left promiscuous mode [ 79.589495][ T1171] veth1_vlan: left promiscuous mode [ 79.594933][ T1171] veth0_vlan: left promiscuous mode [ 79.617878][ T5145] Bluetooth: hci0: command tx timeout [ 79.672788][ T1171] team0 (unregistering): Port device team_slave_1 removed [ 79.683217][ T1171] team0 (unregistering): Port device team_slave_0 removed [ 79.783807][ T5928] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.800311][ T5928] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.810198][ T5928] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.820166][ T5928] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.879176][ T5928] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.903013][ T5928] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.914504][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.921797][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.939236][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.946453][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.163163][ T5928] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.189302][ T5928] veth0_vlan: entered promiscuous mode [ 80.199410][ T5928] veth1_vlan: entered promiscuous mode [ 80.222750][ T5928] veth0_macvtap: entered promiscuous mode [ 80.231258][ T5928] veth1_macvtap: entered promiscuous mode [ 80.243247][ T5928] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.253082][ T5928] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.269126][ T5928] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.278063][ T5928] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.287528][ T5928] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.297988][ T5928] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.335407][ T5928] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 80.354696][ T5005] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.355924][ T5928] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 80.366352][ T5005] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.392350][ T1144] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.401039][ T1144] 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/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.22.7' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build4205150337=/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/ccfp1SUd.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