Warning: Permanently added '[localhost]:61241' (ECDSA) to the list of known hosts. 2025/01/21 16:02:05 fuzzer started 2025/01/21 16:02:06 dialing manager at localhost:44689 2025/01/21 16:02:06 checking machine... 2025/01/21 16:02:06 checking revisions... syzkaller login: [ 69.529091] kmemleak: Automatic memory scanning thread ended 2025/01/21 16:02:06 testing simple program... [ 69.657719] cgroup: Unknown subsys name 'net' [ 69.729034] cgroup: Unknown subsys name 'cpuset' [ 69.751250] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 76.393863] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program [ 86.623791] audit: type=1400 audit(1737475343.402:7): avc: denied { execmem } for pid=274 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 [ 87.774647] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.778418] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.782632] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.789963] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.799695] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.801850] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 89.862034] Bluetooth: hci0: command tx timeout executing program [ 91.909901] Bluetooth: hci0: command tx timeout executing program [ 93.959071] Bluetooth: hci0: command tx timeout [ 96.006318] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 114.946666] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 114.946862] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 115.068084] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 115.068354] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/21 16:02:52 building call list... [ 116.011064] syz-executor.0 (275) used greatest stack depth: 23248 bytes left [ 116.021659] [ 116.022098] ====================================================== [ 116.023376] WARNING: possible circular locking dependency detected [ 116.024638] 6.13.0-next-20250121 #1 Not tainted [ 116.031440] ------------------------------------------------------ [ 116.032683] kworker/u8:1/67 is trying to acquire lock: [ 116.033749] ffffffff8621ece8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.035867] [ 116.035867] but task is already holding lock: [ 116.037047] ffff88801e5c0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 116.039086] [ 116.039086] which lock already depends on the new lock. [ 116.039086] [ 116.040706] [ 116.040706] the existing dependency chain (in reverse order) is: [ 116.042206] [ 116.042206] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 116.043604] __mutex_lock+0x13d/0xb50 [ 116.044574] wiphy_register+0x1b2e/0x25d0 [ 116.045608] ieee80211_register_hw+0x23a4/0x3d60 [ 116.046745] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 116.047967] init_mac80211_hwsim+0x389/0x870 [ 116.049085] do_one_initcall+0xf9/0x640 [ 116.050114] kernel_init_freeable+0x53d/0x7a0 [ 116.051238] kernel_init+0x1e/0x2d0 [ 116.052140] ret_from_fork+0x48/0x80 [ 116.053040] ret_from_fork_asm+0x1a/0x30 [ 116.054051] [ 116.054051] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 116.055349] __lock_acquire+0x29fd/0x4580 [ 116.056359] lock_acquire+0x19b/0x520 [ 116.057295] __mutex_lock+0x13d/0xb50 [ 116.058263] unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.059583] unregister_netdevice_queue+0x224/0x2e0 [ 116.060755] _cfg80211_unregister_wdev+0x57b/0x700 [ 116.061911] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 116.063062] ieee80211_unregister_hw+0x55/0x3a0 [ 116.064163] hwsim_exit_net+0x3a0/0x730 [ 116.065130] ops_exit_list+0xb3/0x180 [ 116.066057] cleanup_net+0x546/0xad0 [ 116.066972] process_one_work+0x8ee/0x1a10 [ 116.068033] worker_thread+0x674/0xe70 [ 116.069016] kthread+0x3ab/0x720 [ 116.069900] ret_from_fork+0x48/0x80 [ 116.070789] ret_from_fork_asm+0x1a/0x30 [ 116.071821] [ 116.071821] other info that might help us debug this: [ 116.071821] [ 116.073353] Possible unsafe locking scenario: [ 116.073353] [ 116.074524] CPU0 CPU1 [ 116.075461] ---- ---- [ 116.076382] lock(&rdev->wiphy.mtx); [ 116.077211] lock(rtnl_mutex); [ 116.078408] lock(&rdev->wiphy.mtx); [ 116.079696] lock(rtnl_mutex); [ 116.080431] [ 116.080431] *** DEADLOCK *** [ 116.080431] [ 116.081609] 4 locks held by kworker/u8:1/67: [ 116.082530] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 116.084631] #1: ffff88800b86fd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 116.086651] #2: ffffffff86212d10 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 116.088539] #3: ffff88801e5c0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 116.090670] [ 116.090670] stack backtrace: [ 116.091573] CPU: 0 UID: 0 PID: 67 Comm: kworker/u8:1 Not tainted 6.13.0-next-20250121 #1 [ 116.093150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 116.094739] Workqueue: netns cleanup_net [ 116.095606] Call Trace: [ 116.096126] [ 116.096600] dump_stack_lvl+0xca/0x120 [ 116.097459] print_circular_bug+0x47b/0x750 [ 116.098365] check_noncircular+0x2e9/0x3c0 [ 116.099246] ? __pfx_check_noncircular+0x10/0x10 [ 116.100223] ? hlock_class+0x4e/0x130 [ 116.101000] ? srso_return_thunk+0x5/0x5f [ 116.101906] ? mark_lock+0xac/0xed0 [ 116.102675] ? lockdep_lock+0xba/0x1b0 [ 116.103534] ? __pfx_lockdep_lock+0x10/0x10 [ 116.104461] __lock_acquire+0x29fd/0x4580 [ 116.105346] ? __pfx___lock_acquire+0x10/0x10 [ 116.106263] ? lock_release+0x20f/0x6f0 [ 116.107103] ? __pfx_lock_release+0x10/0x10 [ 116.107996] ? srso_return_thunk+0x5/0x5f [ 116.108890] lock_acquire+0x19b/0x520 [ 116.109691] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.110879] ? __pfx_lock_acquire+0x10/0x10 [ 116.111783] ? srso_return_thunk+0x5/0x5f [ 116.112672] ? lock_is_held_type+0x9e/0x120 [ 116.113591] ? srso_return_thunk+0x5/0x5f [ 116.114491] __mutex_lock+0x13d/0xb50 [ 116.115329] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.116590] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.117774] ? srso_return_thunk+0x5/0x5f [ 116.118662] ? synchronize_rcu_expedited+0x38a/0x420 [ 116.119709] ? __pfx___mutex_lock+0x10/0x10 [ 116.120635] ? srso_return_thunk+0x5/0x5f [ 116.121531] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 116.122473] unregister_netdevice_many_notify+0x1612/0x1c80 [ 116.123618] ? __virt_addr_valid+0x2e8/0x5d0 [ 116.124545] ? __pfx_lock_release+0x10/0x10 [ 116.125437] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 116.126637] ? find_held_lock+0x2c/0x110 [ 116.127524] ? srso_return_thunk+0x5/0x5f [ 116.128422] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 116.129454] ? srso_return_thunk+0x5/0x5f [ 116.130349] ? lock_release+0x20f/0x6f0 [ 116.131205] ? __pfx_lock_release+0x10/0x10 [ 116.132091] ? srso_return_thunk+0x5/0x5f [ 116.132974] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 116.134042] ? srso_return_thunk+0x5/0x5f [ 116.134941] unregister_netdevice_queue+0x224/0x2e0 [ 116.135965] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 116.137067] ? up_write+0x195/0x520 [ 116.137858] _cfg80211_unregister_wdev+0x57b/0x700 [ 116.138886] ? srso_return_thunk+0x5/0x5f [ 116.139788] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 116.140804] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 116.141903] ? srso_return_thunk+0x5/0x5f [ 116.142789] ? srso_return_thunk+0x5/0x5f [ 116.143685] ? synchronize_rcu+0x1ff/0x260 [ 116.144554] ieee80211_unregister_hw+0x55/0x3a0 [ 116.145511] hwsim_exit_net+0x3a0/0x730 [ 116.146338] ? __pfx_hwsim_exit_net+0x10/0x10 [ 116.147251] ? srso_return_thunk+0x5/0x5f [ 116.148135] ? netdev_run_todo+0x788/0x1040 [ 116.149075] ? __pfx_hwsim_exit_net+0x10/0x10 [ 116.149999] ops_exit_list+0xb3/0x180 [ 116.150792] cleanup_net+0x546/0xad0 [ 116.151591] ? __pfx_cleanup_net+0x10/0x10 [ 116.152486] process_one_work+0x8ee/0x1a10 [ 116.153401] ? __pfx_lock_acquire+0x10/0x10 [ 116.154299] ? __pfx_process_one_work+0x10/0x10 [ 116.155275] ? srso_return_thunk+0x5/0x5f [ 116.156153] ? move_linked_works+0x172/0x270 [ 116.157062] ? srso_return_thunk+0x5/0x5f [ 116.157933] ? assign_work+0x196/0x240 [ 116.158765] worker_thread+0x674/0xe70 [ 116.159605] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 116.160678] ? __pfx_worker_thread+0x10/0x10 [ 116.161609] kthread+0x3ab/0x720 [ 116.162349] ? __pfx_kthread+0x10/0x10 [ 116.163183] ? srso_return_thunk+0x5/0x5f [ 116.164054] ? finish_task_switch.isra.0+0x206/0x840 [ 116.165087] ? __pfx_kthread+0x10/0x10 [ 116.165902] ret_from_fork+0x48/0x80 [ 116.166644] ? __pfx_kthread+0x10/0x10 [ 116.167447] ret_from_fork_asm+0x1a/0x30 [ 116.167937] executing program executing program [ 121.320549] audit: type=1400 audit(1737475378.098:8): avc: denied { create } for pid=254 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 122.200408] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program [ 123.305371] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list 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=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283eba5 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff88800b86ebb8 R8 =0000000000000001 R9 =ffffed100170dd67 R10=0000000000000020 R11=6465746e69612e36 R12=0000000000000020 R13=0000000000000001 R14=ffff888008fea024 R15=ffff88800b86eeb8 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=00007fb10ad12000 CR3=0000000015800000 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=00000000000000004104658000000000 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=0000000000000400 RCX=ffffffff84a68717 RDX=ffff888015599bc0 RSI=ffffffff84a6873f RDI=0000000000000006 RBP=ffff888009f579c0 RSP=ffff888009f578d8 R8 =0000000000000007 R9 =ffffed10034a004f R10=0000000000000d71 R11=0000000000000000 R12=ffff88801a50028f R13=0000000000000400 R14=0000000000000001 R15=ffffffff84ca6e43 RIP=ffffffff84a6873f 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 000000c000030e90 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=00007fec39bcae48 CR3=0000000015800000 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