Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/01/29 16:05:21 fuzzer started 2025/01/29 16:05:21 dialing manager at localhost:36977 2025/01/29 16:05:21 checking machine... 2025/01/29 16:05:21 checking revisions... syzkaller login: [ 62.749136] kmemleak: Automatic memory scanning thread ended 2025/01/29 16:05:22 testing simple program... [ 62.882332] cgroup: Unknown subsys name 'net' [ 62.979790] cgroup: Unknown subsys name 'cpuset' [ 63.011772] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program executing program executing program [ 80.900982] audit: type=1400 audit(1738166740.401:7): avc: denied { execmem } for pid=273 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 82.105179] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.110286] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.115631] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.128108] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.133250] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.136672] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 84.192064] Bluetooth: hci0: command tx timeout [ 86.239204] Bluetooth: hci0: command tx timeout executing program [ 88.287160] Bluetooth: hci0: command tx timeout executing program [ 90.335025] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 109.029414] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.030716] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.153149] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.155005] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/29 16:06:09 building call list... [ 110.173117] [ 110.173497] ====================================================== [ 110.174454] WARNING: possible circular locking dependency detected [ 110.175401] 6.13.0-next-20250129 #1 Not tainted [ 110.176403] ------------------------------------------------------ [ 110.177809] kworker/u8:1/65 is trying to acquire lock: [ 110.181892] ffffffff8621d8a8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.183463] [ 110.183463] but task is already holding lock: [ 110.184342] ffff88801f6e8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 110.185869] [ 110.185869] which lock already depends on the new lock. [ 110.185869] [ 110.187090] [ 110.187090] the existing dependency chain (in reverse order) is: [ 110.188217] [ 110.188217] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 110.189267] __mutex_lock+0x13d/0xb50 [ 110.190005] wiphy_register+0x1b2e/0x25d0 [ 110.190789] ieee80211_register_hw+0x23a4/0x3d60 [ 110.191640] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 110.192547] init_mac80211_hwsim+0x389/0x870 [ 110.193404] do_one_initcall+0xf9/0x640 [ 110.194174] kernel_init_freeable+0x53d/0x7a0 [ 110.195009] kernel_init+0x1e/0x2d0 [ 110.195683] ret_from_fork+0x48/0x80 [ 110.196382] ret_from_fork_asm+0x1a/0x30 [ 110.197179] [ 110.197179] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 110.198141] __lock_acquire+0x29fd/0x4580 [ 110.198905] lock_acquire+0x19b/0x520 [ 110.199623] __mutex_lock+0x13d/0xb50 [ 110.200352] unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.201334] unregister_netdevice_queue+0x224/0x2e0 [ 110.202224] _cfg80211_unregister_wdev+0x57b/0x700 [ 110.203110] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 110.203987] ieee80211_unregister_hw+0x55/0x3a0 [ 110.204826] hwsim_exit_net+0x3a0/0x730 [ 110.205564] ops_exit_list+0xb3/0x180 [ 110.206271] cleanup_net+0x546/0xad0 [ 110.206975] process_one_work+0x8ee/0x1a10 [ 110.207782] worker_thread+0x674/0xe70 [ 110.208539] kthread+0x3ab/0x720 [ 110.209226] ret_from_fork+0x48/0x80 [ 110.209914] ret_from_fork_asm+0x1a/0x30 [ 110.210707] [ 110.210707] other info that might help us debug this: [ 110.210707] [ 110.211910] Possible unsafe locking scenario: [ 110.211910] [ 110.212819] CPU0 CPU1 [ 110.213526] ---- ---- [ 110.214230] lock(&rdev->wiphy.mtx); [ 110.214866] lock(rtnl_mutex); [ 110.215769] lock(&rdev->wiphy.mtx); [ 110.216761] lock(rtnl_mutex); [ 110.217331] [ 110.217331] *** DEADLOCK *** [ 110.217331] [ 110.218221] 4 locks held by kworker/u8:1/65: [ 110.218913] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 110.220515] #1: ffff88800bc47d30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 110.222073] #2: ffffffff862118d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 110.223502] #3: ffff88801f6e8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 110.225139] [ 110.225139] stack backtrace: [ 110.225830] CPU: 1 UID: 0 PID: 65 Comm: kworker/u8:1 Not tainted 6.13.0-next-20250129 #1 [ 110.225899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 110.225939] Workqueue: netns cleanup_net [ 110.226013] Call Trace: [ 110.226030] [ 110.226051] dump_stack_lvl+0xca/0x120 [ 110.226155] print_circular_bug+0x47b/0x750 [ 110.226240] check_noncircular+0x2e9/0x3c0 [ 110.226319] ? __pfx_check_noncircular+0x10/0x10 [ 110.226397] ? hlock_class+0x4e/0x130 [ 110.226454] ? mark_lock+0xac/0xed0 [ 110.226529] ? srso_return_thunk+0x5/0x5f [ 110.226631] ? dl_scaled_delta_exec+0xd4/0x2c0 [ 110.226716] ? lockdep_lock+0xba/0x1b0 [ 110.226824] ? __pfx_lockdep_lock+0x10/0x10 [ 110.226941] __lock_acquire+0x29fd/0x4580 [ 110.227042] ? __pfx___lock_acquire+0x10/0x10 [ 110.227123] ? lock_release+0x20f/0x6f0 [ 110.227206] ? __pfx_lock_release+0x10/0x10 [ 110.227296] lock_acquire+0x19b/0x520 [ 110.227377] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.227467] ? __pfx_lock_acquire+0x10/0x10 [ 110.227551] ? srso_return_thunk+0x5/0x5f [ 110.227655] ? lock_release+0x20f/0x6f0 [ 110.227740] ? srso_return_thunk+0x5/0x5f [ 110.227841] ? lock_is_held_type+0x9e/0x120 [ 110.227941] ? srso_return_thunk+0x5/0x5f [ 110.228050] __mutex_lock+0x13d/0xb50 [ 110.228146] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.228229] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.228314] ? srso_return_thunk+0x5/0x5f [ 110.228416] ? synchronize_rcu_expedited+0x38a/0x420 [ 110.228497] ? __pfx___mutex_lock+0x10/0x10 [ 110.228596] ? __pfx_autoremove_wake_function+0x10/0x10 [ 110.228703] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 110.228778] unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.228862] ? __virt_addr_valid+0x2e8/0x5d0 [ 110.228960] ? __pfx_lock_release+0x10/0x10 [ 110.229054] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 110.229140] ? find_held_lock+0x2c/0x110 [ 110.229249] ? srso_return_thunk+0x5/0x5f [ 110.229355] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 110.229464] ? srso_return_thunk+0x5/0x5f [ 110.229566] ? lock_release+0x20f/0x6f0 [ 110.229649] ? __pfx_lock_release+0x10/0x10 [ 110.229730] ? srso_return_thunk+0x5/0x5f [ 110.229831] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 110.229921] ? srso_return_thunk+0x5/0x5f [ 110.230032] unregister_netdevice_queue+0x224/0x2e0 [ 110.230112] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 110.230193] ? up_write+0x195/0x520 [ 110.230296] _cfg80211_unregister_wdev+0x57b/0x700 [ 110.230391] ? srso_return_thunk+0x5/0x5f [ 110.230500] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 110.230570] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 110.230693] ? srso_return_thunk+0x5/0x5f [ 110.230794] ? srso_return_thunk+0x5/0x5f [ 110.230896] ? synchronize_rcu+0x1ff/0x260 [ 110.230975] ieee80211_unregister_hw+0x55/0x3a0 [ 110.231057] hwsim_exit_net+0x3a0/0x730 [ 110.231134] ? __pfx_hwsim_exit_net+0x10/0x10 [ 110.231209] ? srso_return_thunk+0x5/0x5f [ 110.231310] ? netdev_run_todo+0x788/0x1040 [ 110.231401] ? __pfx_hwsim_exit_net+0x10/0x10 [ 110.231480] ops_exit_list+0xb3/0x180 [ 110.231558] cleanup_net+0x546/0xad0 [ 110.231641] ? __pfx_cleanup_net+0x10/0x10 [ 110.231740] process_one_work+0x8ee/0x1a10 [ 110.231863] ? __pfx_lock_acquire+0x10/0x10 [ 110.231947] ? __pfx_process_one_work+0x10/0x10 [ 110.232057] ? srso_return_thunk+0x5/0x5f [ 110.232158] ? move_linked_works+0x172/0x270 [ 110.232241] ? srso_return_thunk+0x5/0x5f [ 110.232343] ? assign_work+0x196/0x240 [ 110.232450] worker_thread+0x674/0xe70 [ 110.232560] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 110.232657] ? srso_return_thunk+0x5/0x5f [ 110.232758] ? __pfx_worker_thread+0x10/0x10 [ 110.232871] kthread+0x3ab/0x720 [ 110.232968] ? __pfx_kthread+0x10/0x10 [ 110.233076] ? srso_return_thunk+0x5/0x5f [ 110.233177] ? finish_task_switch.isra.0+0x206/0x840 [ 110.233272] ? __pfx_kthread+0x10/0x10 [ 110.233373] ret_from_fork+0x48/0x80 [ 110.233431] ? __pfx_kthread+0x10/0x10 [ 110.233531] ret_from_fork_asm+0x1a/0x30 [ 110.233655] executing program executing program [ 115.604098] audit: type=1400 audit(1738166775.104:8): 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 executing program [ 116.472655] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 117.553285] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list VM DIAGNOSIS: 16:06:09 Registers: info registers vcpu 0 RAX=ffff88801b0e02d5 RBX=ffff88800bacc835 RCX=ffffffff84a5c2aa RDX=ffff88800bed9bc0 RSI=ffffffff84a5c219 RDI=0000000000000001 RBP=ffff88801b0e02d5 RSP=ffff88801609f820 R8 =0000000000000001 R9 =ffffed100361c059 R10=0000000000000065 R11=0000000000000000 R12=0000000000000065 R13=ffff88801b0e1000 R14=ffff88800bacc82d R15=0000000000000007 RIP=ffffffff84a5c21c 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 000000c000258b10 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=000000c0007fa000 CR3=0000000013bae000 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=000000c0000563c0000000c000056370 XMM02=000000c0002b2960000000c0002b28a0 XMM03=000000c0002b2ab0000000c000056190 XMM04=000000c000086090000000c000086060 XMM05=000000c0000860f0000000c0000860c0 XMM06=000000c000086150000000c000086120 XMM07=000000c000085760000000c00005b4d0 XMM08=000000c0000864b0000000c000086480 XMM09=000000c000086510000000c0000864e0 XMM10=000000c000086540000000c00005b530 XMM11=000000c0000865a0000000c000086570 XMM12=000000c000086600000000c0000865d0 XMM13=000000c000086660000000c000086630 XMM14=000000c0000866c0000000c000086690 XMM15=000000c0000a1080000000c0000866f0 info registers vcpu 1 RAX=000000000000000d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283c595 RDI=ffffffff886970a0 RBP=ffffffff88697060 RSP=ffff88800bc46d20 R8 =0000000000000000 R9 =ffffed1001d69046 R10=0000000000000000 R11=2f72656b726f776b R12=000000000000000d R13=0000000000000010 R14=ffffffff88697060 R15=ffffffff8283c580 RIP=ffffffff8283c5ed 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=000000c0007ec000 CR3=0000000013bae000 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