Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/01/24 16:05:43 fuzzer started 2025/01/24 16:05:43 dialing manager at localhost:40883 2025/01/24 16:05:43 checking machine... 2025/01/24 16:05:43 checking revisions... syzkaller login: [ 62.937159] kmemleak: Automatic memory scanning thread ended 2025/01/24 16:05:43 testing simple program... [ 63.066388] cgroup: Unknown subsys name 'net' [ 63.153292] cgroup: Unknown subsys name 'cpuset' [ 63.194741] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 70.294362] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 82.738802] audit: type=1400 audit(1737734763.743:7): 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 executing program [ 83.943424] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.946024] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.953525] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.961217] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.967528] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 83.970597] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 86.027708] Bluetooth: hci0: command tx timeout executing program [ 88.075544] Bluetooth: hci0: command tx timeout executing program [ 90.124028] Bluetooth: hci0: command tx timeout [ 92.171064] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 111.400574] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.401905] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 111.451163] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 111.452382] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/24 16:06:33 building call list... [ 112.360794] [ 112.361166] ====================================================== [ 112.362082] WARNING: possible circular locking dependency detected [ 112.363028] 6.13.0-next-20250124 #1 Not tainted [ 112.364034] ------------------------------------------------------ [ 112.365539] kworker/u8:0/11 is trying to acquire lock: [ 112.366631] ffffffff8621d8e8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 112.368712] [ 112.368712] but task is already holding lock: [ 112.369974] ffff888016f48768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 112.372142] [ 112.372142] which lock already depends on the new lock. [ 112.372142] [ 112.373793] [ 112.373793] the existing dependency chain (in reverse order) is: [ 112.375327] [ 112.375327] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 112.376889] __mutex_lock+0x13d/0xb50 [ 112.378342] wiphy_register+0x1b2e/0x25d0 [ 112.379617] ieee80211_register_hw+0x23a4/0x3d60 [ 112.380811] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 112.382213] init_mac80211_hwsim+0x389/0x870 [ 112.383560] do_one_initcall+0xf9/0x640 [ 112.384503] kernel_init_freeable+0x53d/0x7a0 [ 112.385335] kernel_init+0x1e/0x2d0 [ 112.386016] ret_from_fork+0x48/0x80 [ 112.386685] ret_from_fork_asm+0x1a/0x30 [ 112.387459] [ 112.387459] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 112.388449] __lock_acquire+0x29fd/0x4580 [ 112.389238] lock_acquire+0x19b/0x520 [ 112.389976] __mutex_lock+0x13d/0xb50 [ 112.390694] unregister_netdevice_many_notify+0x1612/0x1c80 [ 112.391679] unregister_netdevice_queue+0x224/0x2e0 [ 112.392554] _cfg80211_unregister_wdev+0x57b/0x700 [ 112.393428] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 112.394291] ieee80211_unregister_hw+0x55/0x3a0 [ 112.395120] hwsim_exit_net+0x3a0/0x730 [ 112.395850] ops_exit_list+0xb3/0x180 [ 112.396557] cleanup_net+0x546/0xad0 [ 112.397250] process_one_work+0x8ee/0x1a10 [ 112.398063] worker_thread+0x674/0xe70 [ 112.398821] kthread+0x3ab/0x720 [ 112.399484] ret_from_fork+0x48/0x80 [ 112.400162] ret_from_fork_asm+0x1a/0x30 [ 112.400947] [ 112.400947] other info that might help us debug this: [ 112.400947] [ 112.402143] Possible unsafe locking scenario: [ 112.402143] [ 112.403038] CPU0 CPU1 [ 112.403740] ---- ---- [ 112.404442] lock(&rdev->wiphy.mtx); [ 112.405062] lock(rtnl_mutex); [ 112.405950] lock(&rdev->wiphy.mtx); [ 112.406912] lock(rtnl_mutex); [ 112.407460] [ 112.407460] *** DEADLOCK *** [ 112.407460] [ 112.408368] 4 locks held by kworker/u8:0/11: [ 112.409051] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 112.410636] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 112.412161] #2: ffffffff86211910 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 112.413567] #3: ffff888016f48768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 112.415185] [ 112.415185] stack backtrace: [ 112.415866] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-next-20250124 #1 [ 112.415933] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 112.415973] Workqueue: netns cleanup_net [ 112.416047] Call Trace: [ 112.416064] [ 112.416085] dump_stack_lvl+0xca/0x120 [ 112.416190] print_circular_bug+0x47b/0x750 [ 112.416274] check_noncircular+0x2e9/0x3c0 [ 112.416362] ? __pfx_check_noncircular+0x10/0x10 [ 112.416441] ? hlock_class+0x4e/0x130 [ 112.416496] ? srso_return_thunk+0x5/0x5f [ 112.416597] ? mark_lock+0xac/0xed0 [ 112.416677] ? lockdep_lock+0xba/0x1b0 [ 112.416782] ? __pfx_lockdep_lock+0x10/0x10 [ 112.416897] __lock_acquire+0x29fd/0x4580 [ 112.416996] ? __pfx___lock_acquire+0x10/0x10 [ 112.417075] ? lock_release+0x20f/0x6f0 [ 112.417161] ? __pfx_lock_release+0x10/0x10 [ 112.417240] ? srso_return_thunk+0x5/0x5f [ 112.417349] lock_acquire+0x19b/0x520 [ 112.417429] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 112.417519] ? __pfx_lock_acquire+0x10/0x10 [ 112.417601] ? __pfx_lock_release+0x10/0x10 [ 112.417680] ? __pfx_try_to_wake_up+0x10/0x10 [ 112.417759] ? srso_return_thunk+0x5/0x5f [ 112.417860] ? lock_is_held_type+0x9e/0x120 [ 112.417961] ? srso_return_thunk+0x5/0x5f [ 112.418069] __mutex_lock+0x13d/0xb50 [ 112.418164] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 112.418247] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 112.418332] ? srso_return_thunk+0x5/0x5f [ 112.418433] ? synchronize_rcu_expedited+0x38a/0x420 [ 112.418513] ? __pfx___mutex_lock+0x10/0x10 [ 112.418613] ? srso_return_thunk+0x5/0x5f [ 112.418723] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 112.418796] unregister_netdevice_many_notify+0x1612/0x1c80 [ 112.418880] ? __virt_addr_valid+0x2e8/0x5d0 [ 112.418977] ? __pfx_lock_release+0x10/0x10 [ 112.419059] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 112.419144] ? find_held_lock+0x2c/0x110 [ 112.419251] ? srso_return_thunk+0x5/0x5f [ 112.419356] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 112.419481] ? srso_return_thunk+0x5/0x5f [ 112.419583] ? lock_release+0x20f/0x6f0 [ 112.419664] ? __pfx_lock_release+0x10/0x10 [ 112.419743] ? srso_return_thunk+0x5/0x5f [ 112.419844] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 112.419932] ? srso_return_thunk+0x5/0x5f [ 112.420043] unregister_netdevice_queue+0x224/0x2e0 [ 112.420123] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 112.420203] ? up_write+0x195/0x520 [ 112.420304] _cfg80211_unregister_wdev+0x57b/0x700 [ 112.420410] ? srso_return_thunk+0x5/0x5f [ 112.420519] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 112.420589] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 112.420661] ? srso_return_thunk+0x5/0x5f [ 112.420762] ? srso_return_thunk+0x5/0x5f [ 112.420863] ? synchronize_rcu+0x1ff/0x260 [ 112.420941] ieee80211_unregister_hw+0x55/0x3a0 [ 112.421023] hwsim_exit_net+0x3a0/0x730 [ 112.421101] ? __pfx_hwsim_exit_net+0x10/0x10 [ 112.421175] ? srso_return_thunk+0x5/0x5f [ 112.421277] ? netdev_run_todo+0x788/0x1040 [ 112.421367] ? __pfx_hwsim_exit_net+0x10/0x10 [ 112.421446] ops_exit_list+0xb3/0x180 [ 112.421524] cleanup_net+0x546/0xad0 [ 112.421606] ? __pfx_cleanup_net+0x10/0x10 [ 112.421704] process_one_work+0x8ee/0x1a10 [ 112.421825] ? __pfx_lock_acquire+0x10/0x10 [ 112.421907] ? __pfx_process_one_work+0x10/0x10 [ 112.422014] ? srso_return_thunk+0x5/0x5f [ 112.422115] ? move_linked_works+0x172/0x270 [ 112.422198] ? srso_return_thunk+0x5/0x5f [ 112.422299] ? assign_work+0x196/0x240 [ 112.422404] worker_thread+0x674/0xe70 [ 112.422511] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 112.422607] ? __pfx_worker_thread+0x10/0x10 [ 112.422717] kthread+0x3ab/0x720 [ 112.422812] ? __pfx_kthread+0x10/0x10 [ 112.422907] ? srso_return_thunk+0x5/0x5f [ 112.423009] ? finish_task_switch.isra.0+0x206/0x840 [ 112.423102] ? __pfx_kthread+0x10/0x10 [ 112.423201] ret_from_fork+0x48/0x80 [ 112.423258] ? __pfx_kthread+0x10/0x10 [ 112.423355] ret_from_fork_asm+0x1a/0x30 [ 112.423477] executing program [ 116.258816] audit: type=1400 audit(1737734797.263:8): 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 [ 117.202497] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 118.250415] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program VM DIAGNOSIS: 16:06:33 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=dffffc0000000000 RCX=0000000000000000 RDX=0000000000000008 RSI=0000000000000000 RDI=ffffffff84e19668 RBP=0000000000000007 RSP=ffff8880158ef6f8 R8 =0000000000000006 R9 =ffffed1003587451 R10=0000000ffffffff8 R11=0000000000000000 R12=ffff8880158ef788 R13=0000000000000007 R14=0000000000000020 R15=0000000ffffffff8 RIP=ffffffff84a546bd RFL=00000246 [---Z-P-] 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 000000c000030b10 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=00007fe026b3ae48 CR3=0000000015d0a000 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=38363733313866666666666666660a77 XMM02=3866666666666666660a776f68735f65 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=0000000000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff8283f165 RDI=ffffffff886970a0 RBP=ffffffff88697060 RSP=ffff8880095deca0 R8 =0000000000000000 R9 =ffffed10016b6046 R10=0000000000000000 R11=0000000020202020 R12=0000000000000005 R13=0000000000000010 R14=ffffffff88697060 R15=ffffffff8283f150 RIP=ffffffff8283f1bd RFL=00000006 [-----P-] 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=00005640f5bc5520 CR3=0000000015d0a000 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=000000000000000040e3dc0000000000 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