Warning: Permanently added '[localhost]:62919' (ECDSA) to the list of known hosts. 2025/01/24 16:05:53 fuzzer started 2025/01/24 16:05:54 dialing manager at localhost:40883 2025/01/24 16:05:54 checking machine... 2025/01/24 16:05:54 checking revisions... syzkaller login: [ 62.981091] kmemleak: Automatic memory scanning thread ended 2025/01/24 16:05:54 testing simple program... [ 63.115081] cgroup: Unknown subsys name 'net' [ 63.233672] cgroup: Unknown subsys name 'cpuset' [ 63.265540] cgroup: Unknown subsys name 'rlimit' executing program [ 68.138678] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 79.128475] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 79.471596] audit: type=1400 audit(1737734770.921:7): 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 [ 80.609741] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.612796] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.618021] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.624230] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.629118] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 80.631559] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 82.689946] Bluetooth: hci0: command tx timeout executing program [ 84.736454] Bluetooth: hci0: command tx timeout executing program [ 86.784551] Bluetooth: hci0: command tx timeout [ 88.832443] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 108.357487] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.358808] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.452421] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.453949] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/24 16:06:40 building call list... [ 109.516350] [ 109.516753] ====================================================== [ 109.517785] WARNING: possible circular locking dependency detected [ 109.518766] 6.13.0-next-20250124 #1 Not tainted [ 109.520072] ------------------------------------------------------ [ 109.524718] kworker/u8:0/11 is trying to acquire lock: [ 109.525617] ffffffff8621d8e8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.527424] [ 109.527424] but task is already holding lock: [ 109.528416] ffff8880160a8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 109.530089] [ 109.530089] which lock already depends on the new lock. [ 109.530089] [ 109.531187] [ 109.531187] the existing dependency chain (in reverse order) is: [ 109.532157] [ 109.532157] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 109.533111] __mutex_lock+0x13d/0xb50 [ 109.533796] wiphy_register+0x1b2e/0x25d0 [ 109.534515] ieee80211_register_hw+0x23a4/0x3d60 [ 109.535291] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 109.536097] init_mac80211_hwsim+0x389/0x870 [ 109.536833] do_one_initcall+0xf9/0x640 [ 109.537504] kernel_init_freeable+0x53d/0x7a0 [ 109.538246] kernel_init+0x1e/0x2d0 [ 109.538838] ret_from_fork+0x48/0x80 [ 109.539436] ret_from_fork_asm+0x1a/0x30 [ 109.540145] [ 109.540145] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 109.541019] __lock_acquire+0x29fd/0x4580 [ 109.541729] lock_acquire+0x19b/0x520 [ 109.542377] __mutex_lock+0x13d/0xb50 [ 109.543019] unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.543894] unregister_netdevice_queue+0x224/0x2e0 [ 109.544697] _cfg80211_unregister_wdev+0x57b/0x700 [ 109.545481] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 109.546259] ieee80211_unregister_hw+0x55/0x3a0 [ 109.546991] hwsim_exit_net+0x3a0/0x730 [ 109.547641] ops_exit_list+0xb3/0x180 [ 109.548262] cleanup_net+0x546/0xad0 [ 109.548875] process_one_work+0x8ee/0x1a10 [ 109.549578] worker_thread+0x674/0xe70 [ 109.550251] kthread+0x3ab/0x720 [ 109.550839] ret_from_fork+0x48/0x80 [ 109.551438] ret_from_fork_asm+0x1a/0x30 [ 109.552126] [ 109.552126] other info that might help us debug this: [ 109.552126] [ 109.553178] Possible unsafe locking scenario: [ 109.553178] [ 109.553966] CPU0 CPU1 [ 109.554583] ---- ---- [ 109.555206] lock(&rdev->wiphy.mtx); [ 109.555774] lock(rtnl_mutex); [ 109.556605] lock(&rdev->wiphy.mtx); [ 109.557503] lock(rtnl_mutex); [ 109.558034] [ 109.558034] *** DEADLOCK *** [ 109.558034] [ 109.558856] 4 locks held by kworker/u8:0/11: [ 109.559496] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 109.560958] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 109.562339] #2: ffffffff86211910 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 109.563654] #3: ffff8880160a8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 109.565151] [ 109.565151] stack backtrace: [ 109.565895] CPU: 0 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-next-20250124 #1 [ 109.565958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 109.565994] Workqueue: netns cleanup_net [ 109.566063] Call Trace: [ 109.566078] [ 109.566098] dump_stack_lvl+0xca/0x120 [ 109.566193] print_circular_bug+0x47b/0x750 [ 109.566270] check_noncircular+0x2e9/0x3c0 [ 109.566341] ? __pfx_check_noncircular+0x10/0x10 [ 109.566411] ? hlock_class+0x4e/0x130 [ 109.566462] ? mark_lock+0xac/0xed0 [ 109.566531] ? srso_return_thunk+0x5/0x5f [ 109.566628] ? lockdep_lock+0xba/0x1b0 [ 109.566724] ? __pfx_lockdep_lock+0x10/0x10 [ 109.566829] __lock_acquire+0x29fd/0x4580 [ 109.566920] ? __pfx___lock_acquire+0x10/0x10 [ 109.567002] ? lock_release+0x20f/0x6f0 [ 109.567076] ? __pfx_lock_release+0x10/0x10 [ 109.567156] lock_acquire+0x19b/0x520 [ 109.567229] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.567311] ? __pfx_lock_acquire+0x10/0x10 [ 109.567386] ? srso_return_thunk+0x5/0x5f [ 109.567478] ? lock_release+0x20f/0x6f0 [ 109.567551] ? srso_return_thunk+0x5/0x5f [ 109.567644] ? lock_is_held_type+0x9e/0x120 [ 109.567735] ? srso_return_thunk+0x5/0x5f [ 109.567834] __mutex_lock+0x13d/0xb50 [ 109.567921] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.567997] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.568074] ? srso_return_thunk+0x5/0x5f [ 109.568167] ? synchronize_rcu_expedited+0x38a/0x420 [ 109.568240] ? __pfx___mutex_lock+0x10/0x10 [ 109.568330] ? __pfx_autoremove_wake_function+0x10/0x10 [ 109.568426] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 109.568493] unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.568569] ? __virt_addr_valid+0x2e8/0x5d0 [ 109.568657] ? __pfx_lock_release+0x10/0x10 [ 109.568732] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 109.568810] ? find_held_lock+0x2c/0x110 [ 109.568907] ? srso_return_thunk+0x5/0x5f [ 109.569003] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 109.569104] ? srso_return_thunk+0x5/0x5f [ 109.569202] ? lock_release+0x20f/0x6f0 [ 109.569276] ? __pfx_lock_release+0x10/0x10 [ 109.569349] ? srso_return_thunk+0x5/0x5f [ 109.569441] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 109.569521] ? srso_return_thunk+0x5/0x5f [ 109.569622] unregister_netdevice_queue+0x224/0x2e0 [ 109.569695] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 109.569778] ? up_write+0x195/0x520 [ 109.569870] _cfg80211_unregister_wdev+0x57b/0x700 [ 109.569958] ? srso_return_thunk+0x5/0x5f [ 109.570057] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 109.570126] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 109.570195] ? srso_return_thunk+0x5/0x5f [ 109.570287] ? srso_return_thunk+0x5/0x5f [ 109.570379] ? synchronize_rcu+0x1ff/0x260 [ 109.570451] ieee80211_unregister_hw+0x55/0x3a0 [ 109.570526] hwsim_exit_net+0x3a0/0x730 [ 109.570596] ? __pfx_hwsim_exit_net+0x10/0x10 [ 109.570664] ? srso_return_thunk+0x5/0x5f [ 109.570757] ? netdev_run_todo+0x788/0x1040 [ 109.570839] ? __pfx_hwsim_exit_net+0x10/0x10 [ 109.570911] ops_exit_list+0xb3/0x180 [ 109.570982] cleanup_net+0x546/0xad0 [ 109.571057] ? __pfx_cleanup_net+0x10/0x10 [ 109.571147] process_one_work+0x8ee/0x1a10 [ 109.571256] ? __pfx_lock_acquire+0x10/0x10 [ 109.571337] ? __pfx_process_one_work+0x10/0x10 [ 109.571435] ? srso_return_thunk+0x5/0x5f [ 109.571527] ? move_linked_works+0x172/0x270 [ 109.571602] ? srso_return_thunk+0x5/0x5f [ 109.571694] ? assign_work+0x196/0x240 [ 109.571790] worker_thread+0x674/0xe70 [ 109.571888] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 109.571975] ? __pfx_worker_thread+0x10/0x10 [ 109.572076] kthread+0x3ab/0x720 [ 109.572162] ? __pfx_kthread+0x10/0x10 [ 109.572249] ? srso_return_thunk+0x5/0x5f [ 109.572341] ? finish_task_switch.isra.0+0x206/0x840 [ 109.572432] ? __pfx_kthread+0x10/0x10 [ 109.572522] ret_from_fork+0x48/0x80 [ 109.572574] ? __pfx_kthread+0x10/0x10 [ 109.572663] ret_from_fork_asm+0x1a/0x30 [ 109.572775] executing program executing program [ 115.165094] audit: type=1400 audit(1737734806.614:8): avc: denied { create } for pid=252 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 115.977692] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program [ 117.049819] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list 2025/01/24 16:06:50 syscalls: 2217 2025/01/24 16:06:50 code coverage: enabled 2025/01/24 16:06:50 comparison tracing: enabled 2025/01/24 16:06:50 extra coverage: enabled 2025/01/24 16:06:50 setuid sandbox: enabled 2025/01/24 16:06:50 namespace sandbox: enabled 2025/01/24 16:06:50 Android sandbox: enabled 2025/01/24 16:06:50 fault injection: enabled 2025/01/24 16:06:50 leak checking: enabled 2025/01/24 16:06:50 net packet injection: enabled 2025/01/24 16:06:50 net device setup: enabled 2025/01/24 16:06:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/24 16:06:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/24 16:06:50 USB emulation: enabled 2025/01/24 16:06:50 hci packet injection: enabled 2025/01/24 16:06:50 wifi device emulation: enabled 2025/01/24 16:06:50 802.15.4 emulation: enabled 2025/01/24 16:06:50 fetching corpus: 0, signal 0/0 (executing program) 2025/01/24 16:06:50 fetching corpus: 0, signal 0/0 (executing program) VM DIAGNOSIS: 16:06:41 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283f165 RDI=ffffffff886970a0 RBP=ffffffff88697060 RSP=ffff8880095ded20 R8 =0000000000000000 R9 =ffffed1001de0046 R10=000000000000002d R11=2d2d2d2d2d2d2d2d R12=000000000000002d R13=0000000000000010 R14=ffffffff88697060 R15=ffffffff8283f150 RIP=ffffffff8283f1bd 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=00007f55715dadc0 CR3=000000000df76000 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=00000000000000003ffb17c4b15276b0 XMM02=0000000000000000413a1c3500000000 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=ffff888016085034 RCX=ffffffff84a5e2aa RDX=ffff888015d13780 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88800deacb28 RSP=ffff888009797820 R8 =0000000000000001 R9 =ffffed1001bd5964 R10=0000000000000064 R11=0000000000000000 R12=0000000000000064 R13=ffff88800dead000 R14=ffff88801608502d R15=0000000000000006 RIP=ffffffff84a5e2aa 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 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=00007ffb6cf55e48 CR3=000000000df76000 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