Warning: Permanently added '[localhost]:25985' (ECDSA) to the list of known hosts. 2025/01/21 16:02:04 fuzzer started 2025/01/21 16:02:04 dialing manager at localhost:44689 2025/01/21 16:02:04 checking machine... 2025/01/21 16:02:04 checking revisions... syzkaller login: [ 78.225739] kmemleak: Automatic memory scanning thread ended 2025/01/21 16:02:05 testing simple program... [ 78.373746] cgroup: Unknown subsys name 'net' [ 78.463072] cgroup: Unknown subsys name 'cpuset' [ 78.492594] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 85.095971] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program [ 95.857193] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program [ 96.323122] audit: type=1400 audit(1737475343.151:7): avc: denied { execmem } for pid=282 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 97.520270] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.525754] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.528350] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.538638] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.542400] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 97.545175] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 99.601728] Bluetooth: hci0: command tx timeout [ 101.649583] Bluetooth: hci0: command tx timeout executing program [ 103.696982] Bluetooth: hci0: command tx timeout executing program [ 105.744972] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 125.144319] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 125.144522] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 125.221432] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 125.221571] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program 2025/01/21 16:02:52 building call list... [ 126.139242] [ 126.139634] ====================================================== [ 126.140675] WARNING: possible circular locking dependency detected [ 126.141712] 6.13.0-next-20250121 #1 Not tainted [ 126.143161] ------------------------------------------------------ [ 126.148371] kworker/u8:2/737 is trying to acquire lock: [ 126.149275] ffffffff8621ece8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 126.151040] [ 126.151040] but task is already holding lock: [ 126.152025] ffff88801f078768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 126.153718] [ 126.153718] which lock already depends on the new lock. [ 126.153718] [ 126.155068] [ 126.155068] the existing dependency chain (in reverse order) is: [ 126.156315] [ 126.156315] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 126.157481] __mutex_lock+0x13d/0xb50 [ 126.158304] wiphy_register+0x1b2e/0x25d0 [ 126.159169] ieee80211_register_hw+0x23a4/0x3d60 [ 126.160102] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 126.161093] init_mac80211_hwsim+0x389/0x870 [ 126.162011] do_one_initcall+0xf9/0x640 [ 126.162848] kernel_init_freeable+0x53d/0x7a0 [ 126.163758] kernel_init+0x1e/0x2d0 [ 126.164497] ret_from_fork+0x48/0x80 [ 126.165266] ret_from_fork_asm+0x1a/0x30 [ 126.166118] [ 126.166118] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 126.167198] __lock_acquire+0x29fd/0x4580 [ 126.168040] lock_acquire+0x19b/0x520 [ 126.168830] __mutex_lock+0x13d/0xb50 [ 126.169629] unregister_netdevice_many_notify+0x1612/0x1c80 [ 126.170714] unregister_netdevice_queue+0x224/0x2e0 [ 126.171683] _cfg80211_unregister_wdev+0x57b/0x700 [ 126.172649] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 126.173607] ieee80211_unregister_hw+0x55/0x3a0 [ 126.174537] hwsim_exit_net+0x3a0/0x730 [ 126.175349] ops_exit_list+0xb3/0x180 [ 126.176138] cleanup_net+0x546/0xad0 [ 126.176922] process_one_work+0x8ee/0x1a10 [ 126.177807] worker_thread+0x674/0xe70 [ 126.178658] kthread+0x3ab/0x720 [ 126.179393] ret_from_fork+0x48/0x80 [ 126.180143] ret_from_fork_asm+0x1a/0x30 [ 126.180993] [ 126.180993] other info that might help us debug this: [ 126.180993] [ 126.182294] Possible unsafe locking scenario: [ 126.182294] [ 126.183285] CPU0 CPU1 [ 126.184067] ---- ---- [ 126.184845] lock(&rdev->wiphy.mtx); [ 126.185544] lock(rtnl_mutex); [ 126.186543] lock(&rdev->wiphy.mtx); [ 126.187619] lock(rtnl_mutex); [ 126.188239] [ 126.188239] *** DEADLOCK *** [ 126.188239] [ 126.189224] 4 locks held by kworker/u8:2/737: [ 126.189995] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 126.191767] #1: ffff88800df7fd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 126.193441] #2: ffffffff86212d10 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 126.195022] #3: ffff88801f078768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 126.196795] [ 126.196795] stack backtrace: [ 126.197542] CPU: 0 UID: 0 PID: 737 Comm: kworker/u8:2 Not tainted 6.13.0-next-20250121 #1 [ 126.198888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 126.200223] Workqueue: netns cleanup_net [ 126.200945] Call Trace: [ 126.201394] [ 126.201780] dump_stack_lvl+0xca/0x120 [ 126.202508] print_circular_bug+0x47b/0x750 [ 126.203264] check_noncircular+0x2e9/0x3c0 [ 126.204005] ? __pfx_check_noncircular+0x10/0x10 [ 126.204827] ? hlock_class+0x4e/0x130 [ 126.205487] ? mark_lock+0xac/0xed0 [ 126.206148] ? srso_return_thunk+0x5/0x5f [ 126.206909] ? lockdep_lock+0xba/0x1b0 [ 126.207620] ? __pfx_lockdep_lock+0x10/0x10 [ 126.208402] __lock_acquire+0x29fd/0x4580 [ 126.209146] ? __pfx___lock_acquire+0x10/0x10 [ 126.209936] ? lock_release+0x20f/0x6f0 [ 126.210641] ? __pfx_lock_release+0x10/0x10 [ 126.211399] lock_acquire+0x19b/0x520 [ 126.212066] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 126.213071] ? __pfx_lock_acquire+0x10/0x10 [ 126.213835] ? srso_return_thunk+0x5/0x5f [ 126.214577] ? lock_release+0x20f/0x6f0 [ 126.215273] ? srso_return_thunk+0x5/0x5f [ 126.216020] ? lock_is_held_type+0x9e/0x120 [ 126.216796] ? srso_return_thunk+0x5/0x5f [ 126.217542] __mutex_lock+0x13d/0xb50 [ 126.218239] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 126.219230] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 126.220222] ? srso_return_thunk+0x5/0x5f [ 126.220979] ? synchronize_rcu_expedited+0x38a/0x420 [ 126.221848] ? __pfx___mutex_lock+0x10/0x10 [ 126.222614] ? __pfx_autoremove_wake_function+0x10/0x10 [ 126.223540] ? srso_return_thunk+0x5/0x5f [ 126.224284] ? kasan_quarantine_put+0x84/0x1e0 [ 126.225113] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 126.225903] ? srso_return_thunk+0x5/0x5f [ 126.226668] unregister_netdevice_many_notify+0x1612/0x1c80 [ 126.227617] ? __virt_addr_valid+0x2e8/0x5d0 [ 126.228404] ? __pfx_lock_release+0x10/0x10 [ 126.229154] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 126.230175] ? find_held_lock+0x2c/0x110 [ 126.230909] ? srso_return_thunk+0x5/0x5f [ 126.231657] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 126.232532] ? srso_return_thunk+0x5/0x5f [ 126.233276] ? lock_release+0x20f/0x6f0 [ 126.233971] ? __pfx_lock_release+0x10/0x10 [ 126.234722] ? srso_return_thunk+0x5/0x5f [ 126.235459] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 126.236345] ? srso_return_thunk+0x5/0x5f [ 126.237093] unregister_netdevice_queue+0x224/0x2e0 [ 126.237950] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 126.238864] ? up_write+0x195/0x520 [ 126.239525] _cfg80211_unregister_wdev+0x57b/0x700 [ 126.240381] ? srso_return_thunk+0x5/0x5f [ 126.241145] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 126.242017] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 126.242937] ? srso_return_thunk+0x5/0x5f [ 126.243698] ? srso_return_thunk+0x5/0x5f [ 126.244437] ? synchronize_rcu+0x1ff/0x260 [ 126.245172] ieee80211_unregister_hw+0x55/0x3a0 [ 126.245982] hwsim_exit_net+0x3a0/0x730 [ 126.246687] ? __pfx_hwsim_exit_net+0x10/0x10 [ 126.247457] ? srso_return_thunk+0x5/0x5f [ 126.248192] ? netdev_run_todo+0x788/0x1040 [ 126.248949] ? __pfx_hwsim_exit_net+0x10/0x10 [ 126.249718] ops_exit_list+0xb3/0x180 [ 126.250402] cleanup_net+0x546/0xad0 [ 126.251059] ? __pfx_cleanup_net+0x10/0x10 [ 126.251817] process_one_work+0x8ee/0x1a10 [ 126.252596] ? __pfx_lock_acquire+0x10/0x10 [ 126.253339] ? __pfx_process_one_work+0x10/0x10 [ 126.254169] ? srso_return_thunk+0x5/0x5f [ 126.254895] ? move_linked_works+0x172/0x270 [ 126.255657] ? srso_return_thunk+0x5/0x5f [ 126.256381] ? assign_work+0x196/0x240 [ 126.257076] worker_thread+0x674/0xe70 [ 126.257777] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 126.258686] ? srso_return_thunk+0x5/0x5f [ 126.259427] ? __pfx_worker_thread+0x10/0x10 [ 126.260216] kthread+0x3ab/0x720 [ 126.260833] ? __pfx_kthread+0x10/0x10 [ 126.261516] ? srso_return_thunk+0x5/0x5f [ 126.262256] ? finish_task_switch.isra.0+0x206/0x840 [ 126.263125] ? __pfx_kthread+0x10/0x10 [ 126.263845] ret_from_fork+0x48/0x80 [ 126.264490] ? __pfx_kthread+0x10/0x10 [ 126.265187] ret_from_fork_asm+0x1a/0x30 [ 126.265930] executing program [ 131.302066] audit: type=1400 audit(1737475378.131:8): avc: denied { create } for pid=263 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 [ 132.193413] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 133.269127] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program 2025/01/21 16:03:01 syscalls: 2217 2025/01/21 16:03:01 code coverage: enabled 2025/01/21 16:03:01 comparison tracing: enabled 2025/01/21 16:03:01 extra coverage: enabled 2025/01/21 16:03:01 setuid sandbox: enabled 2025/01/21 16:03:01 namespace sandbox: enabled 2025/01/21 16:03:01 Android sandbox: enabled 2025/01/21 16:03:01 fault injection: enabled 2025/01/21 16:03:01 leak checking: enabled 2025/01/21 16:03:01 net packet injection: enabled 2025/01/21 16:03:01 net device setup: enabled 2025/01/21 16:03:01 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/21 16:03:01 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/21 16:03:01 USB emulation: enabled 2025/01/21 16:03:01 hci packet injection: enabled 2025/01/21 16:03:01 wifi device emulation: enabled 2025/01/21 16:03:01 802.15.4 emulation: enabled 2025/01/21 16:03:01 fetching corpus: 0, signal 0/0 (executing program) 2025/01/21 16:03:01 fetching corpus: 0, signal 0/0 (executing program) VM DIAGNOSIS: 16:02:53 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283eba5 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff88800df7ebb8 R8 =0000000000000001 R9 =ffffed1001befd67 R10=000000000000002d R11=2d2d2d2d2d2d2d2d R12=000000000000002d R13=0000000000000001 R14=ffff888008fea028 R15=ffff88800df7eeb8 RIP=ffffffff8283ebfd 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 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=00005628d22b1568 CR3=000000000c7c8000 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=00000000000000004107b40000000000 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 info registers vcpu 1 RAX=0000000000000000 RBX=ffffffff8558c07b RCX=ffffffff8166a9ff RDX=0000000000000006 RSI=ffffffff8166aa0e RDI=0000000000000007 RBP=000000000000006d RSP=ffff8880160a7a48 R8 =0000000000000001 R9 =ffffed100177ad65 R10=00000000000001e7 R11=0000000000000000 R12=0000000000000001 R13=ffff88801373e846 R14=00000000000001e7 R15=dffffc0000000000 RIP=ffffffff8166aa20 RFL=00000206 [-----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 000000c000030790 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=000000c0007d7000 CR3=000000000c7c8000 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