possible deadlock in ieee80211_remove_interfaces ====================================================== WARNING: possible circular locking dependency detected 6.13.0-syzkaller-04057-g15a901361ec3 #0 Not tainted ------------------------------------------------------ kworker/u8:6/3583 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: ffff8880743a0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] ffff8880743a0768 (&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/u8:6/3583: #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: ffffc9000d117c60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline] #1: ffffc9000d117c60 (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: ffff8880743a0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6061 [inline] #3: ffff8880743a0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 net/mac80211/iface.c:2280 stack backtrace: CPU: 1 UID: 0 PID: 3583 Comm: kworker/u8:6 Not tainted 6.13.0-syzkaller-04057-g15a901361ec3 #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 netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.10.45' (ED25519) to the list of known hosts. 2025/01/26 18:47:44 ignoring optional flag "sandboxArg"="0" 2025/01/26 18:47:44 parsed 1 programs [ 64.350027][ T5830] cgroup: Unknown subsys name 'net' [ 64.472005][ T5830] cgroup: Unknown subsys name 'cpuset' [ 64.480726][ T5830] cgroup: Unknown subsys name 'rlimit' [ 65.784677][ T5830] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 68.133663][ T5851] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.142452][ T5851] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.150065][ T5851] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.159073][ T5851] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.167310][ T5851] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.174983][ T5851] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.297727][ T5843] 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. [ 68.885319][ T5863] chnl_net:caif_netlink_parms(): no params data found [ 69.315406][ T5863] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.329240][ T5863] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.352569][ T5863] bridge_slave_0: entered allmulticast mode [ 69.388408][ T5863] bridge_slave_0: entered promiscuous mode [ 69.441857][ T5863] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.472278][ T5863] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.494601][ T5863] bridge_slave_1: entered allmulticast mode [ 69.515096][ T5863] bridge_slave_1: entered promiscuous mode [ 69.671807][ T5863] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.710852][ T5863] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.873167][ T5863] team0: Port device team_slave_0 added [ 69.883098][ T5863] team0: Port device team_slave_1 added [ 69.922383][ T5863] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 69.929474][ T5863] 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. [ 69.956426][ T5863] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 69.976065][ T5863] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 69.983690][ T5863] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.010459][ T5863] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.316164][ T5863] hsr_slave_0: entered promiscuous mode [ 70.322784][ T5863] hsr_slave_1: entered promiscuous mode [ 70.375065][ T3583] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.400099][ T3583] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.459590][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.479219][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.567485][ T5863] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.590129][ T5863] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.631880][ T5863] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.652933][ T5863] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.747189][ T5863] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.765618][ T5863] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.776589][ T67] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.784101][ T67] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.803530][ T3583] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.810777][ T3583] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.949442][ T5863] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.984249][ T5863] veth0_vlan: entered promiscuous mode [ 70.994690][ T5863] veth1_vlan: entered promiscuous mode [ 71.019284][ T5863] veth0_macvtap: entered promiscuous mode [ 71.028067][ T5863] veth1_macvtap: entered promiscuous mode [ 71.045786][ T5863] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.057691][ T5863] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.074026][ T5863] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.083152][ T5863] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.092497][ T5863] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.102746][ T5863] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/01/26 18:47:53 executed programs: 0 [ 71.234208][ T5851] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.250418][ T5851] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.260570][ T5851] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.272552][ T5851] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.283532][ T5851] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.291126][ T5851] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.361366][ T3583] [ 71.363741][ T3583] ====================================================== [ 71.370771][ T3583] WARNING: possible circular locking dependency detected [ 71.377902][ T3583] 6.13.0-syzkaller-04057-g15a901361ec3 #0 Not tainted [ 71.384708][ T3583] ------------------------------------------------------ [ 71.391802][ T3583] kworker/u8:6/3583 is trying to acquire lock: [ 71.397953][ T3583] ffffffff8fcc5a88 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xac2/0x2030 [ 71.408530][ T3583] [ 71.408530][ T3583] but task is already holding lock: [ 71.415907][ T3583] ffff8880743a0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 71.426480][ T3583] [ 71.426480][ T3583] which lock already depends on the new lock. [ 71.426480][ T3583] [ 71.436902][ T3583] [ 71.436902][ T3583] the existing dependency chain (in reverse order) is: [ 71.445912][ T3583] [ 71.445912][ T3583] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 71.453651][ T3583] lock_acquire+0x1ed/0x550 [ 71.458778][ T3583] __mutex_lock+0x19c/0x1010 [ 71.463972][ T3583] wiphy_register+0x1a49/0x27b0 [ 71.469337][ T3583] ieee80211_register_hw+0x354e/0x4240 [ 71.475334][ T3583] mac80211_hwsim_new_radio+0x2a9f/0x4a90 [ 71.481675][ T3583] init_mac80211_hwsim+0x87a/0xb00 [ 71.487410][ T3583] do_one_initcall+0x248/0x870 [ 71.492709][ T3583] do_initcall_level+0x157/0x210 [ 71.498253][ T3583] do_initcalls+0x3f/0x80 [ 71.503152][ T3583] kernel_init_freeable+0x435/0x5d0 [ 71.509403][ T3583] kernel_init+0x1d/0x2b0 [ 71.514249][ T3583] ret_from_fork+0x4b/0x80 [ 71.519197][ T3583] ret_from_fork_asm+0x1a/0x30 [ 71.524504][ T3583] [ 71.524504][ T3583] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 71.532144][ T3583] validate_chain+0x18ef/0x5920 [ 71.537730][ T3583] __lock_acquire+0x1397/0x2100 [ 71.543095][ T3583] lock_acquire+0x1ed/0x550 [ 71.548119][ T3583] __mutex_lock+0x19c/0x1010 [ 71.553226][ T3583] unregister_netdevice_many_notify+0xac2/0x2030 [ 71.560089][ T3583] unregister_netdevice_queue+0x303/0x370 [ 71.566332][ T3583] _cfg80211_unregister_wdev+0x163/0x590 [ 71.572480][ T3583] ieee80211_remove_interfaces+0x4ef/0x700 [ 71.578799][ T3583] ieee80211_unregister_hw+0x5d/0x2c0 [ 71.584678][ T3583] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 71.590734][ T3583] hwsim_exit_net+0x5c1/0x670 [ 71.596006][ T3583] cleanup_net+0x812/0xd60 [ 71.600971][ T3583] process_scheduled_works+0xa66/0x1840 [ 71.607119][ T3583] worker_thread+0x870/0xd30 [ 71.612219][ T3583] kthread+0x7a9/0x920 [ 71.616797][ T3583] ret_from_fork+0x4b/0x80 [ 71.621908][ T3583] ret_from_fork_asm+0x1a/0x30 [ 71.627231][ T3583] [ 71.627231][ T3583] other info that might help us debug this: [ 71.627231][ T3583] [ 71.637536][ T3583] Possible unsafe locking scenario: [ 71.637536][ T3583] [ 71.645149][ T3583] CPU0 CPU1 [ 71.650502][ T3583] ---- ---- [ 71.655955][ T3583] lock(&rdev->wiphy.mtx); [ 71.660459][ T3583] lock(rtnl_mutex); [ 71.667051][ T3583] lock(&rdev->wiphy.mtx); [ 71.674067][ T3583] lock(rtnl_mutex); [ 71.678049][ T3583] [ 71.678049][ T3583] *** DEADLOCK *** [ 71.678049][ T3583] [ 71.686200][ T3583] 4 locks held by kworker/u8:6/3583: [ 71.691477][ T3583] #0: ffff88801baf5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 71.702546][ T3583] #1: ffffc9000d117c60 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 71.713224][ T3583] #2: ffffffff8fcb94d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x17a/0xd60 [ 71.722713][ T3583] #3: ffff8880743a0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0x129/0x700 [ 71.733506][ T3583] [ 71.733506][ T3583] stack backtrace: [ 71.739403][ T3583] CPU: 1 UID: 0 PID: 3583 Comm: kworker/u8:6 Not tainted 6.13.0-syzkaller-04057-g15a901361ec3 #0 [ 71.739418][ T3583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 71.739427][ T3583] Workqueue: netns cleanup_net [ 71.739447][ T3583] Call Trace: [ 71.739453][ T3583] [ 71.739459][ T3583] dump_stack_lvl+0x241/0x360 [ 71.739479][ T3583] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.739495][ T3583] ? __pfx__printk+0x10/0x10 [ 71.739513][ T3583] print_circular_bug+0x13a/0x1b0 [ 71.739533][ T3583] check_noncircular+0x36a/0x4a0 [ 71.739551][ T3583] ? __pfx_check_noncircular+0x10/0x10 [ 71.739568][ T3583] ? lockdep_lock+0x123/0x2b0 [ 71.739583][ T3583] ? rcu_read_lock_sched_held+0x8d/0x130 [ 71.739602][ T3583] validate_chain+0x18ef/0x5920 [ 71.739625][ T3583] ? __pfx_validate_chain+0x10/0x10 [ 71.739644][ T3583] ? mark_lock+0x9a/0x360 [ 71.739660][ T3583] ? __lock_acquire+0x1397/0x2100 [ 71.739679][ T3583] ? mark_lock+0x9a/0x360 [ 71.739694][ T3583] __lock_acquire+0x1397/0x2100 [ 71.739713][ T3583] lock_acquire+0x1ed/0x550 [ 71.739727][ T3583] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 71.739746][ T3583] ? __pfx_lock_acquire+0x10/0x10 [ 71.739761][ T3583] ? __pfx___might_resched+0x10/0x10 [ 71.739775][ T3583] ? finish_wait+0xd4/0x1e0 [ 71.739791][ T3583] __mutex_lock+0x19c/0x1010 [ 71.739808][ T3583] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 71.739827][ T3583] ? unregister_netdevice_many_notify+0xac2/0x2030 [ 71.739847][ T3583] ? __pfx___mutex_lock+0x10/0x10 [ 71.739864][ T3583] ? __pfx___might_resched+0x10/0x10 [ 71.739877][ T3583] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 71.739893][ T3583] ? unregister_netdevice_many_notify+0x9fa/0x2030 [ 71.739909][ T3583] unregister_netdevice_many_notify+0xac2/0x2030 [ 71.739924][ T3583] ? mark_lock+0x9a/0x360 [ 71.739943][ T3583] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 71.739958][ T3583] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 71.739975][ T3583] ? __pfx_lock_release+0x10/0x10 [ 71.739996][ T3583] unregister_netdevice_queue+0x303/0x370 [ 71.740010][ T3583] ? __pfx_up_write+0x10/0x10 [ 71.740021][ T3583] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 71.740036][ T3583] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 71.740053][ T3583] _cfg80211_unregister_wdev+0x163/0x590 [ 71.740072][ T3583] ieee80211_remove_interfaces+0x4ef/0x700 [ 71.740089][ T3583] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 71.740104][ T3583] ? rcu_is_watching+0x15/0xb0 [ 71.740123][ T3583] ieee80211_unregister_hw+0x5d/0x2c0 [ 71.740136][ T3583] mac80211_hwsim_del_radio+0x2c4/0x4c0 [ 71.740154][ T3583] ? __pfx_mac80211_hwsim_del_radio+0x10/0x10 [ 71.740171][ T3583] hwsim_exit_net+0x5c1/0x670 [ 71.740185][ T3583] ? __pfx_hwsim_exit_net+0x10/0x10 [ 71.740199][ T3583] ? __ip_vs_dev_cleanup_batch+0x239/0x260 [ 71.740218][ T3583] cleanup_net+0x812/0xd60 [ 71.740230][ T3583] ? __pfx_cleanup_net+0x10/0x10 [ 71.740244][ T3583] ? process_scheduled_works+0x976/0x1840 [ 71.740258][ T3583] process_scheduled_works+0xa66/0x1840 [ 71.740278][ T3583] ? __pfx_process_scheduled_works+0x10/0x10 [ 71.740293][ T3583] ? assign_work+0x364/0x3d0 [ 71.740307][ T3583] worker_thread+0x870/0xd30 [ 71.740322][ T3583] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 71.740339][ T3583] ? __kthread_parkme+0x169/0x1d0 [ 71.740353][ T3583] ? __pfx_worker_thread+0x10/0x10 [ 71.740366][ T3583] kthread+0x7a9/0x920 [ 71.740380][ T3583] ? __pfx_kthread+0x10/0x10 [ 71.740395][ T3583] ? __pfx_worker_thread+0x10/0x10 [ 71.740407][ T3583] ? __pfx_kthread+0x10/0x10 [ 71.740421][ T3583] ? __pfx_kthread+0x10/0x10 [ 71.740436][ T3583] ? __pfx_kthread+0x10/0x10 [ 71.740450][ T3583] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.740464][ T3583] ? lockdep_hardirqs_on+0x99/0x150 [ 71.740480][ T3583] ? __pfx_kthread+0x10/0x10 [ 71.740495][ T3583] ret_from_fork+0x4b/0x80 [ 71.740508][ T3583] ? __pfx_kthread+0x10/0x10 [ 71.740522][ T3583] ret_from_fork_asm+0x1a/0x30 [ 71.740538][ T3583] [ 71.758404][ T5923] chnl_net:caif_netlink_parms(): no params data found [ 71.799055][ T1295] ieee802154 phy0 wpan0: encryption failed: -22 [ 72.144675][ T1295] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.182928][ T5923] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.190819][ T5923] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.198488][ T5923] bridge_slave_0: entered allmulticast mode [ 72.204905][ T5923] bridge_slave_0: entered promiscuous mode [ 72.212527][ T5923] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.219671][ T5923] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.226918][ T5923] bridge_slave_1: entered allmulticast mode [ 72.233659][ T5923] bridge_slave_1: entered promiscuous mode [ 72.267835][ T5923] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.278995][ T5923] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.301989][ T5923] team0: Port device team_slave_0 added [ 72.310374][ T5923] team0: Port device team_slave_1 added [ 72.331824][ T5923] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.339152][ T5923] 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. [ 72.365878][ T5923] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.377976][ T5923] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.385007][ T5923] 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. [ 72.410950][ T5923] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.442173][ T5923] hsr_slave_0: entered promiscuous mode [ 72.448265][ T5923] hsr_slave_1: entered promiscuous mode [ 72.454233][ T5923] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.462452][ T5923] Cannot create hsr debugfs directory [ 72.529976][ T5923] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.539316][ T5923] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.547816][ T5923] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.556715][ T5923] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.572828][ T5923] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.579984][ T5923] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.587425][ T5923] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.594936][ T5923] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.628047][ T5923] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.640881][ T67] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.649544][ T67] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.661692][ T5923] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.672401][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.679495][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.690505][ T67] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.697598][ T67] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.777810][ T5923] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.803455][ T5923] veth0_vlan: entered promiscuous mode [ 72.812758][ T5923] veth1_vlan: entered promiscuous mode [ 72.833395][ T5923] veth0_macvtap: entered promiscuous mode [ 72.841995][ T5923] veth1_macvtap: entered promiscuous mode [ 72.853925][ T5923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 72.865033][ T5923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.877484][ T5923] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.887691][ T5923] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 72.898773][ T5923] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 72.910388][ T5923] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.921085][ T5923] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.929879][ T5923] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.938984][ T5923] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.947683][ T5923] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.970300][ T5923] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 72.985769][ T67] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 72.987009][ T5923] ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' [ 73.003632][ T67] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.019842][ T67] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.027742][ T67] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.134708][ T5863] syz-executor (5863) used greatest stack depth: 18832 bytes left [ 73.195239][ T3583] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 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-build2433626219=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at c79b8ca5e7 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=c79b8ca5e7c93bda29628ad40e676555303f4812 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241024-150915'" "-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=\"c79b8ca5e7c93bda29628ad40e676555303f4812\" /usr/bin/ld: /tmp/ccMzs1o5.o: in function `test_cover_filter()': executor.cc:(.text+0x1426b): warning: the use of `tempnam' is dangerous, better use `mkstemp' /usr/bin/ld: /tmp/ccMzs1o5.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