Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/01/22 16:07:06 fuzzer started 2025/01/22 16:07:06 dialing manager at localhost:38529 2025/01/22 16:07:06 checking machine... 2025/01/22 16:07:06 checking revisions... syzkaller login: [ 69.513736] kmemleak: Automatic memory scanning thread ended 2025/01/22 16:07:06 testing simple program... [ 69.645836] cgroup: Unknown subsys name 'net' [ 69.760926] cgroup: Unknown subsys name 'cpuset' [ 69.795010] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 75.316376] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 87.332956] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 87.721342] audit: type=1400 audit(1737562045.132:7): avc: denied { execmem } for pid=272 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 88.887511] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.889694] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.896527] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.905608] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.909491] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.915853] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 90.970180] Bluetooth: hci0: command tx timeout [ 93.017425] Bluetooth: hci0: command tx timeout executing program [ 95.065985] Bluetooth: hci0: command tx timeout executing program [ 97.113632] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 115.506352] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.506566] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.562707] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.562844] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/22 16:07:53 building call list... [ 116.620973] [ 116.621455] ====================================================== [ 116.622669] WARNING: possible circular locking dependency detected [ 116.623861] 6.13.0-next-20250122 #1 Not tainted [ 116.625386] ------------------------------------------------------ [ 116.628290] kworker/u8:2/726 is trying to acquire lock: [ 116.631279] ffffffff8621ece8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.634779] [ 116.634779] but task is already holding lock: [ 116.635970] ffff88801e940768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 116.637939] [ 116.637939] which lock already depends on the new lock. [ 116.637939] [ 116.639467] [ 116.639467] the existing dependency chain (in reverse order) is: [ 116.640877] [ 116.640877] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 116.642249] __mutex_lock+0x13d/0xb50 [ 116.643216] wiphy_register+0x1b2e/0x25d0 [ 116.644245] ieee80211_register_hw+0x23a4/0x3d60 [ 116.645368] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 116.646549] init_mac80211_hwsim+0x389/0x870 [ 116.647635] do_one_initcall+0xf9/0x640 [ 116.648620] kernel_init_freeable+0x53d/0x7a0 [ 116.649718] kernel_init+0x1e/0x2d0 [ 116.650597] ret_from_fork+0x48/0x80 [ 116.651476] ret_from_fork_asm+0x1a/0x30 [ 116.652463] [ 116.652463] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 116.653730] __lock_acquire+0x29fd/0x4580 [ 116.654706] lock_acquire+0x19b/0x520 [ 116.655621] __mutex_lock+0x13d/0xb50 [ 116.656553] unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.657817] unregister_netdevice_queue+0x224/0x2e0 [ 116.658943] _cfg80211_unregister_wdev+0x57b/0x700 [ 116.660059] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 116.661181] ieee80211_unregister_hw+0x55/0x3a0 [ 116.662243] hwsim_exit_net+0x3a0/0x730 [ 116.663184] ops_exit_list+0xb3/0x180 [ 116.664077] cleanup_net+0x546/0xad0 [ 116.664977] process_one_work+0x8ee/0x1a10 [ 116.665994] worker_thread+0x674/0xe70 [ 116.666944] kthread+0x3ab/0x720 [ 116.667790] ret_from_fork+0x48/0x80 [ 116.668662] ret_from_fork_asm+0x1a/0x30 [ 116.669652] [ 116.669652] other info that might help us debug this: [ 116.669652] [ 116.671158] Possible unsafe locking scenario: [ 116.671158] [ 116.672309] CPU0 CPU1 [ 116.673200] ---- ---- [ 116.674134] lock(&rdev->wiphy.mtx); [ 116.674957] lock(rtnl_mutex); [ 116.676147] lock(&rdev->wiphy.mtx); [ 116.677414] lock(rtnl_mutex); [ 116.678162] [ 116.678162] *** DEADLOCK *** [ 116.678162] [ 116.679237] 4 locks held by kworker/u8:2/726: [ 116.680101] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 116.682073] #1: ffff88800db1fd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 116.683936] #2: ffffffff86212d10 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 116.685697] #3: ffff88801e940768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 116.687661] [ 116.687661] stack backtrace: [ 116.688434] CPU: 1 UID: 0 PID: 726 Comm: kworker/u8:2 Not tainted 6.13.0-next-20250122 #1 [ 116.689860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 116.691105] Workqueue: netns cleanup_net [ 116.691793] Call Trace: [ 116.692209] [ 116.692581] dump_stack_lvl+0xca/0x120 [ 116.693264] print_circular_bug+0x47b/0x750 [ 116.694004] check_noncircular+0x2e9/0x3c0 [ 116.694697] ? lock_repin_lock+0x207/0x320 [ 116.695430] ? __pfx_check_noncircular+0x10/0x10 [ 116.696205] ? hlock_class+0x4e/0x130 [ 116.696819] ? mark_lock+0xac/0xed0 [ 116.697424] ? __pfx_lock_repin_lock+0x10/0x10 [ 116.698215] ? timerqueue_del+0x83/0x150 [ 116.698909] ? lockdep_lock+0xba/0x1b0 [ 116.699589] ? __pfx_lockdep_lock+0x10/0x10 [ 116.700325] __lock_acquire+0x29fd/0x4580 [ 116.701028] ? __pfx___lock_acquire+0x10/0x10 [ 116.701777] ? lock_release+0x20f/0x6f0 [ 116.702465] ? __pfx_lock_release+0x10/0x10 [ 116.703202] lock_acquire+0x19b/0x520 [ 116.703861] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.704833] ? __pfx_lock_acquire+0x10/0x10 [ 116.705580] ? srso_return_thunk+0x5/0x5f [ 116.706285] ? lock_release+0x20f/0x6f0 [ 116.706936] ? srso_return_thunk+0x5/0x5f [ 116.707632] ? lock_is_held_type+0x9e/0x120 [ 116.708350] ? srso_return_thunk+0x5/0x5f [ 116.709054] __mutex_lock+0x13d/0xb50 [ 116.709753] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.710847] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.711979] ? srso_return_thunk+0x5/0x5f [ 116.712805] ? synchronize_rcu_expedited+0x38a/0x420 [ 116.713776] ? __pfx___mutex_lock+0x10/0x10 [ 116.714638] ? __pfx_autoremove_wake_function+0x10/0x10 [ 116.715660] ? srso_return_thunk+0x5/0x5f [ 116.716496] ? kasan_quarantine_put+0x84/0x1e0 [ 116.717412] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 116.718256] ? srso_return_thunk+0x5/0x5f [ 116.719030] unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.720037] ? __virt_addr_valid+0x2e8/0x5d0 [ 116.720992] ? __pfx_lock_release+0x10/0x10 [ 116.721838] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 116.722983] ? find_held_lock+0x2c/0x110 [ 116.723813] ? srso_return_thunk+0x5/0x5f [ 116.724659] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 116.725651] ? srso_return_thunk+0x5/0x5f [ 116.726490] ? lock_release+0x20f/0x6f0 [ 116.727268] ? __pfx_lock_release+0x10/0x10 [ 116.728104] ? srso_return_thunk+0x5/0x5f [ 116.728935] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 116.729939] ? srso_return_thunk+0x5/0x5f [ 116.730777] unregister_netdevice_queue+0x224/0x2e0 [ 116.731714] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 116.732762] ? up_write+0x195/0x520 [ 116.733499] _cfg80211_unregister_wdev+0x57b/0x700 [ 116.734444] ? srso_return_thunk+0x5/0x5f [ 116.735293] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 116.736255] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 116.737315] ? srso_return_thunk+0x5/0x5f [ 116.738177] ? srso_return_thunk+0x5/0x5f [ 116.738892] ? synchronize_rcu+0x1ff/0x260 [ 116.739566] ieee80211_unregister_hw+0x55/0x3a0 [ 116.740458] hwsim_exit_net+0x3a0/0x730 [ 116.741265] ? __pfx_hwsim_exit_net+0x10/0x10 [ 116.742144] ? srso_return_thunk+0x5/0x5f [ 116.742988] ? netdev_run_todo+0x788/0x1040 [ 116.743875] ? __pfx_hwsim_exit_net+0x10/0x10 [ 116.744767] ops_exit_list+0xb3/0x180 [ 116.745546] cleanup_net+0x546/0xad0 [ 116.746305] ? __pfx_cleanup_net+0x10/0x10 [ 116.747128] process_one_work+0x8ee/0x1a10 [ 116.747936] ? __pfx_lock_acquire+0x10/0x10 [ 116.748719] ? __pfx_process_one_work+0x10/0x10 [ 116.749597] ? srso_return_thunk+0x5/0x5f [ 116.750383] ? move_linked_works+0x172/0x270 [ 116.751209] ? srso_return_thunk+0x5/0x5f [ 116.752012] ? assign_work+0x196/0x240 [ 116.752773] worker_thread+0x674/0xe70 [ 116.753557] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 116.754509] ? srso_return_thunk+0x5/0x5f [ 116.755297] ? __pfx_worker_thread+0x10/0x10 [ 116.756146] kthread+0x3ab/0x720 [ 116.756824] ? __pfx_kthread+0x10/0x10 [ 116.757586] ? srso_return_thunk+0x5/0x5f [ 116.758433] ? finish_task_switch.isra.0+0x206/0x840 [ 116.759446] ? __pfx_kthread+0x10/0x10 [ 116.760250] ret_from_fork+0x48/0x80 [ 116.760982] ? __pfx_kthread+0x10/0x10 [ 116.761805] ret_from_fork_asm+0x1a/0x30 [ 116.762659] executing program executing program [ 121.619491] audit: type=1400 audit(1737562079.029:8): avc: denied { create } for pid=253 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 122.503192] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program [ 123.549191] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list VM DIAGNOSIS: 16:07:54 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800f0b7958 RCX=ffffffff84a5952c RDX=ffff88800bb65340 RSI=0000000000000002 RDI=0000000000000001 RBP=ffff88800f0b78c8 RSP=ffff88800f0b7820 R8 =0000000000000001 R9 =ffffed1002cae4ec R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=ffffffff84ca6e44 R14=1ffff11001e16f08 R15=ffffffff84ca6e44 RIP=ffffffff84a59530 RFL=00000293 [--S-A-C] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 000000c000094b10 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c0007fe000 CR3=0000000016052000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001fa0 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000003fd0000000000000 XMM02=00000000000000004179504a90000000 XMM03=6464615f656c6261745f73695f696665 XMM04=30303030303030303030303030303030 XMM05=6464615f656c6261745f73695f696665 XMM06=33313866666666666666660a73736572 XMM07=745f73695f6966652054203035383637 XMM08=6666660a737365726464615f656c6261 XMM09=20542030303936373331386666666666 XMM10=695f727474615f6966655f7866705f5f XMM11=6666666666660a656c62697369765f73 XMM12=69666520542030313936373331386666 XMM13=00000000008a4dee00000000008a69cf XMM14=000000000089d9b900000000008a4694 XMM15=00000000004643c100000000004360f2 info registers vcpu 1 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283e865 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff88800db1eb28 R8 =0000000000000001 R9 =ffffed1001b63d55 R10=000000000000006d R11=6666666666666666 R12=000000000000006d R13=0000000000000001 R14=ffff888008fea027 R15=ffff88800db1ee28 RIP=ffffffff8283e8bd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c0007d2000 CR3=0000000016052000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001fa0 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=0000000000000000bfe62e42fefa39ef XMM03=0000ff00000000000000000000000000 XMM04=732f6c61636f6c2f7273752f3d485441 XMM05=622f6c61636f6c2f7273752f3a6e6962 XMM06=73752f3a6e6962732f7273752f3a6e69 XMM07=6e69622f3a6e6962732f3a6e69622f72 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000