possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted ------------------------------------------------------ kworker/u8:4/68 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: ffff888079598768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff888079598768 (&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/u8:4/68: #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: ffffc9000215fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc9000215fc60 (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: ffff888079598768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff888079598768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 stack backtrace: CPU: 0 UID: 0 PID: 68 Comm: kworker/u8:4 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 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 bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state Warning: Permanently added '10.128.0.113' (ED25519) to the list of known hosts. 2025/01/25 02:19:18 ignoring optional flag "sandboxArg"="0" 2025/01/25 02:19:19 parsed 1 programs [ 67.283662][ T5830] cgroup: Unknown subsys name 'net' [ 67.397790][ T5830] cgroup: Unknown subsys name 'cpuset' [ 67.406607][ T5830] cgroup: Unknown subsys name 'rlimit' [ 68.793688][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.301433][ 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. [ 71.737442][ T54] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.746063][ T54] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.753985][ T54] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.764715][ T54] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.772384][ T54] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.781159][ T54] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.869275][ T1294] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.876861][ T1294] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.041237][ T3005] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.049499][ T3005] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.087451][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.096954][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 72.425139][ T68] [ 72.427522][ T68] ====================================================== [ 72.434566][ T68] WARNING: possible circular locking dependency detected [ 72.441794][ T68] 6.13.0-syzkaller-04046-g0ad9617c78ac #0 Not tainted [ 72.448590][ T68] ------------------------------------------------------ [ 72.455622][ T68] kworker/u8:4/68 is trying to acquire lock: [ 72.461626][ T68] ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 72.472134][ T68] [ 72.472134][ T68] but task is already holding lock: [ 72.479531][ T68] ffff888079598768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 72.489952][ T68] [ 72.489952][ T68] which lock already depends on the new lock. [ 72.489952][ T68] [ 72.500371][ T68] [ 72.500371][ T68] the existing dependency chain (in reverse order) is: [ 72.509578][ T68] [ 72.509578][ T68] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 72.517516][ T68] lock_acquire+0x1ed/0x550 [ 72.522550][ T68] __mutex_lock+0x19c/0x1010 [ 72.527801][ T68] wiphy_register+0x1a49/0x27b0 [ 72.533221][ T68] ieee80211_register_hw+0x354e/0x4240 [ 72.539207][ T68] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 72.545441][ T68] init_mac80211_hwsim+0x87a/0xb00 [ 72.551062][ T68] do_one_initcall+0x248/0x870 [ 72.556362][ T68] do_initcall_level+0x157/0x210 [ 72.561841][ T68] do_initcalls+0x3f/0x80 [ 72.566722][ T68] kernel_init_freeable+0x435/0x5d0 [ 72.572459][ T68] kernel_init+0x1d/0x2b0 [ 72.577312][ T68] ret_from_fork+0x4b/0x80 [ 72.582271][ T68] ret_from_fork_asm+0x1a/0x30 [ 72.587593][ T68] [ 72.587593][ T68] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 72.594841][ T68] validate_chain+0x18ef/0x5920 [ 72.600254][ T68] __lock_acquire+0x1397/0x2100 [ 72.605737][ T68] lock_acquire+0x1ed/0x550 [ 72.610778][ T68] __mutex_lock+0x19c/0x1010 [ 72.615902][ T68] unregister_netdevice_many_notify+0xac2/0x2030 [ 72.622788][ T68] unregister_netdevice_queue+0x303/0x370 [ 72.629057][ T68] _cfg80211_unregister_wdev+0x163/0x590 [ 72.635331][ T68] ieee80211_remove_interfaces+0x4ef/0x700 [ 72.641776][ T68] ieee80211_unregister_hw+0x5d/0x2c0 [ 72.647731][ T68] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 72.653798][ T68] hwsim_exit_net+0x5c1/0x670 [ 72.658992][ T68] cleanup_net+0x812/0xd60 [ 72.664025][ T68] process_scheduled_works+0xa66/0x1840 [ 72.670203][ T68] worker_thread+0x870/0xd30 [ 72.675316][ T68] kthread+0x7a9/0x920 [ 72.679893][ T68] ret_from_fork+0x4b/0x80 [ 72.684907][ T68] ret_from_fork_asm+0x1a/0x30 [ 72.690187][ T68] [ 72.690187][ T68] other info that might help us debug this: [ 72.690187][ T68] [ 72.700470][ T68] Possible unsafe locking scenario: [ 72.700470][ T68] [ 72.707913][ T68] CPU0 CPU1 [ 72.713335][ T68] ---- ---- [ 72.718684][ T68] lock(&rdev->wiphy.mtx); [ 72.723179][ T68] lock(rtnl_mutex); [ 72.729758][ T68] lock(&rdev->wiphy.mtx); [ 72.736777][ T68] lock(rtnl_mutex); [ 72.740758][ T68] [ 72.740758][ T68] *** DEADLOCK *** [ 72.740758][ T68] [ 72.748973][ T68] 4 locks held by kworker/u8:4/68: [ 72.754066][ T68] #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 72.764935][ T68] #1: ffffc9000215fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 72.775449][ T68] #2: ffffffff8fcb94d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 72.784844][ T68] #3: ffff888079598768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 72.795618][ T68] [ 72.795618][ T68] stack backtrace: [ 72.801726][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u8:4 Not tainted 6.13.0-syzkaller-04046-g0ad9617c78ac #0 [ 72.801740][ T68] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 72.801748][ T68] Workqueue: netns cleanup_net [ 72.801765][ T68] Call Trace: [ 72.801771][ T68] [ 72.801777][ T68] dump_stack_lvl+0x241/0x360 [ 72.801796][ T68] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.801817][ T68] ? __pfx__printk+0x10/0x10 [ 72.801835][ T68] print_circular_bug+0x13a/0x1b0 [ 72.801853][ T68] check_noncircular+0x36a/0x4a0 [ 72.801871][ T68] ? __pfx_check_noncircular+0x10/0x10 [ 72.801888][ T68] ? lockdep_lock+0x123/0x2b0 [ 72.801905][ T68] validate_chain+0x18ef/0x5920 [ 72.801927][ T68] ? __pfx_validate_chain+0x10/0x10 [ 72.801946][ T68] ? mark_lock+0x9a/0x360 [ 72.801961][ T68] ? __lock_acquire+0x1397/0x2100 [ 72.801980][ T68] ? mark_lock+0x9a/0x360 [ 72.801995][ T68] __lock_acquire+0x1397/0x2100 [ 72.802014][ T68] lock_acquire+0x1ed/0x550 [ 72.802027][ T68] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 72.802045][ T68] ? __pfx_lock_acquire+0x10/0x10 [ 72.802059][ T68] ? __pfx___might_resched+0x10/0x10 [ 72.802073][ T68] ? finish_wait+0xd4/0x1e0 [ 72.802089][ T68] __mutex_lock+0x19c/0x1010 [ 72.802105][ T68] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 72.802123][ T68] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 72.802138][ T68] ? __pfx___mutex_lock+0x10/0x10 [ 72.802154][ T68] ? __pfx___might_resched+0x10/0x10 [ 72.802167][ T68] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 72.802183][ T68] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 72.802198][ T68] unregister_netdevice_many_notify+0xac2/0x2030 [ 72.802213][ T68] ? mark_lock+0x9a/0x360 [ 72.802230][ T68] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 72.802245][ T68] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 72.802262][ T68] ? __pfx_lock_release+0x10/0x10 [ 72.802281][ T68] unregister_netdevice_queue+0x303/0x370 [ 72.802295][ T68] ? __pfx_up_write+0x10/0x10 [ 72.802306][ T68] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 72.802321][ T68] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 72.802337][ T68] _cfg80211_unregister_wdev+0x163/0x590 [ 72.802355][ T68] ieee80211_remove_interfaces+0x4ef/0x700 [ 72.802371][ T68] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 72.802385][ T68] ? rcu_is_watching+0x15/0xb0 [ 72.802403][ T68] ieee80211_unregister_hw+0x5d/0x2c0 [ 72.802416][ T68] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 72.802433][ T68] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 72.802450][ T68] hwsim_exit_net+0x5c1/0x670 [ 72.802463][ T68] ? __pfx_hwsim_exit_net+0x10/0x10 [ 72.802476][ T68] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 72.802494][ T68] cleanup_net+0x812/0xd60 [ 72.802506][ T68] ? __pfx_cleanup_net+0x10/0x10 [ 72.802520][ T68] ? process_scheduled_works+0x976/0x1840 [ 72.802533][ T68] process_scheduled_works+0xa66/0x1840 [ 72.802553][ T68] ? __pfx_process_scheduled_works+0x10/0x10 [ 72.802569][ T68] ? assign_work+0x364/0x3d0 [ 72.802582][ T68] worker_thread+0x870/0xd30 [ 72.802597][ T68] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 72.802613][ T68] ? __kthread_parkme+0x169/0x1d0 [ 72.802627][ T68] ? __pfx_worker_thread+0x10/0x10 [ 72.802639][ T68] kthread+0x7a9/0x920 [ 72.802653][ T68] ? __pfx_kthread+0x10/0x10 [ 72.802668][ T68] ? __pfx_worker_thread+0x10/0x10 [ 72.802680][ T68] ? __pfx_kthread+0x10/0x10 [ 72.802693][ T68] ? __pfx_kthread+0x10/0x10 [ 72.802708][ T68] ? __pfx_kthread+0x10/0x10 [ 72.802721][ T68] ? _raw_spin_unlock_irq+0x23/0x50 [ 72.802736][ T68] ? lockdep_hardirqs_on+0x99/0x150 [ 72.802752][ T68] ? __pfx_kthread+0x10/0x10 [ 72.802766][ T68] ret_from_fork+0x4b/0x80 [ 72.802779][ T68] ? __pfx_kthread+0x10/0x10 [ 72.802793][ T68] ret_from_fork_asm+0x1a/0x30 [ 72.802813][ T68] [ 73.492726][ T5885] chnl_net:caif_netlink_parms(): no params data found [ 73.527843][ T5885] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.535041][ T5885] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.542318][ T5885] bridge_slave_0: entered allmulticast mode [ 73.548955][ T5885] bridge_slave_0: entered promiscuous mode [ 73.599618][ T5885] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.606887][ T5885] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.614104][ T5885] bridge_slave_1: entered allmulticast mode [ 73.621320][ T5885] bridge_slave_1: entered promiscuous mode [ 73.651679][ T5885] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.662248][ T5885] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.680830][ T5885] team0: Port device team_slave_0 added [ 73.687637][ T5885] team0: Port device team_slave_1 added [ 73.705152][ T5885] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.712179][ T5885] 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. [ 73.738219][ T5885] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.750229][ T5885] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.757505][ T5885] 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. [ 73.784061][ T5885] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.814836][ T5885] hsr_slave_0: entered promiscuous mode [ 73.820903][ T5885] hsr_slave_1: entered promiscuous mode [ 73.899987][ T5885] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.908519][ T5885] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.917345][ T5885] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.926687][ T5885] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.942627][ T5885] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.949758][ T5885] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.957332][ T5885] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.964496][ T5885] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.993937][ T5885] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.007006][ T68] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.014940][ T68] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.025516][ T5885] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.036295][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.043479][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.053689][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.060910][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.142575][ T5885] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.166812][ T5885] veth0_vlan: entered promiscuous mode [ 74.175298][ T5885] veth1_vlan: entered promiscuous mode [ 74.192956][ T5885] veth0_macvtap: entered promiscuous mode [ 74.200951][ T5885] veth1_macvtap: entered promiscuous mode [ 74.213835][ T5885] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.225950][ T5885] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.236014][ T5885] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.245446][ T5885] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.254158][ T5885] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.263760][ T5885] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.352363][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.406825][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.526534][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.599528][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/01/25 02:19:29 executed programs: 0 [ 75.190020][ T54] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.197433][ T54] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.204962][ T54] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.212824][ T54] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.220507][ T54] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.228479][ T54] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.296908][ T5928] chnl_net:caif_netlink_parms(): no params data found [ 75.335709][ T5928] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.342832][ T5928] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.350380][ T5928] bridge_slave_0: entered allmulticast mode [ 75.357087][ T5928] bridge_slave_0: entered promiscuous mode [ 75.364709][ T5928] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.371806][ T5928] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.379138][ T5928] bridge_slave_1: entered allmulticast mode [ 75.385739][ T5928] bridge_slave_1: entered promiscuous mode [ 75.405691][ T5928] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.417148][ T5928] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.436099][ T5928] team0: Port device team_slave_0 added [ 75.443014][ T5928] team0: Port device team_slave_1 added [ 75.458270][ T5928] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.466765][ 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. [ 75.493404][ T5928] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.505875][ T5928] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.513186][ 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. [ 75.539306][ T5928] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.570165][ T5928] hsr_slave_0: entered promiscuous mode [ 75.576428][ T5928] hsr_slave_1: entered promiscuous mode [ 75.582366][ T5928] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 75.590135][ T5928] Cannot create hsr debugfs directory [ 77.304706][ T54] Bluetooth: hci0: command tx timeout [ 77.701842][ T12] bridge_slave_1: left allmulticast mode [ 77.708026][ T12] bridge_slave_1: left promiscuous mode [ 77.713723][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.722738][ T12] bridge_slave_0: left allmulticast mode [ 77.728846][ T12] bridge_slave_0: left promiscuous mode [ 77.735020][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.848692][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 77.859156][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 77.869269][ T12] bond0 (unregistering): Released all slaves [ 77.975929][ T12] hsr_slave_0: left promiscuous mode [ 77.981883][ T12] hsr_slave_1: left promiscuous mode [ 77.992039][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 77.999797][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.008009][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.017409][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.027438][ T12] veth1_macvtap: left promiscuous mode [ 78.032986][ T12] veth0_macvtap: left promiscuous mode [ 78.039018][ T12] veth1_vlan: left promiscuous mode [ 78.044324][ T12] veth0_vlan: left promiscuous mode [ 78.139179][ T12] team0 (unregistering): Port device team_slave_1 removed [ 78.149816][ T12] team0 (unregistering): Port device team_slave_0 removed [ 78.238737][ T5928] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.263868][ T5928] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.273436][ T5928] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.285170][ T5928] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.342554][ T5928] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.359821][ T5928] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.369872][ T3577] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.377061][ T3577] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.391942][ T68] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.399131][ T68] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.587106][ T5928] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.619416][ T5928] veth0_vlan: entered promiscuous mode [ 78.628678][ T5928] veth1_vlan: entered promiscuous mode [ 78.647187][ T5928] veth0_macvtap: entered promiscuous mode [ 78.655074][ T5928] veth1_macvtap: entered promiscuous mode [ 78.671124][ T5928] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.683272][ T5928] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.693836][ T5928] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.703338][ T5928] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.712156][ T5928] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.720936][ T5928] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.751694][ T5928] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 78.769410][ T3577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.770657][ T5928] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 78.787997][ T3577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.807961][ T3577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.816602][ T3577] 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-build1607903260=/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/cccs4hYf.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