Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/01/28 15:59:11 fuzzer started 2025/01/28 15:59:11 dialing manager at localhost:40187 2025/01/28 15:59:12 checking machine... 2025/01/28 15:59:12 checking revisions... syzkaller login: [ 62.975381] kmemleak: Automatic memory scanning thread ended 2025/01/28 15:59:12 testing simple program... [ 63.115890] cgroup: Unknown subsys name 'net' [ 63.211330] cgroup: Unknown subsys name 'cpuset' [ 63.246608] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 70.223024] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 82.085225] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 82.565597] audit: type=1400 audit(1738079971.904:7): 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 [ 83.772881] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 83.776137] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 83.778493] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 83.783538] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 83.787219] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 83.789589] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 85.862311] Bluetooth: hci0: command tx timeout executing program [ 87.910773] Bluetooth: hci0: command tx timeout executing program [ 89.957891] Bluetooth: hci0: command tx timeout [ 92.005775] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 108.767535] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.768846] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.874614] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.876223] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/28 15:59:58 building call list... [ 109.848858] [ 109.849238] ====================================================== [ 109.850214] WARNING: possible circular locking dependency detected [ 109.851188] 6.13.0-next-20250128 #1 Not tainted [ 109.852233] ------------------------------------------------------ [ 109.854902] kworker/u8:2/725 is trying to acquire lock: [ 109.856629] ffffffff8621d9a8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.860496] [ 109.860496] but task is already holding lock: [ 109.861980] ffff88800ae78768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 109.863547] [ 109.863547] which lock already depends on the new lock. [ 109.863547] [ 109.864801] [ 109.864801] the existing dependency chain (in reverse order) is: [ 109.865948] [ 109.865948] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 109.867009] __mutex_lock+0x13d/0xb50 [ 109.867770] wiphy_register+0x1b2e/0x25d0 [ 109.868575] ieee80211_register_hw+0x23a4/0x3d60 [ 109.869450] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 109.870371] init_mac80211_hwsim+0x389/0x870 [ 109.871230] do_one_initcall+0xf9/0x640 [ 109.872028] kernel_init_freeable+0x53d/0x7a0 [ 109.872898] kernel_init+0x1e/0x2d0 [ 109.873587] ret_from_fork+0x48/0x80 [ 109.874274] ret_from_fork_asm+0x1a/0x30 [ 109.875082] [ 109.875082] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 109.876077] __lock_acquire+0x29fd/0x4580 [ 109.876842] lock_acquire+0x19b/0x520 [ 109.877551] __mutex_lock+0x13d/0xb50 [ 109.878282] unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.879252] unregister_netdevice_queue+0x224/0x2e0 [ 109.880147] _cfg80211_unregister_wdev+0x57b/0x700 [ 109.881052] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 109.881929] ieee80211_unregister_hw+0x55/0x3a0 [ 109.882758] hwsim_exit_net+0x3a0/0x730 [ 109.883492] ops_exit_list+0xb3/0x180 [ 109.884210] cleanup_net+0x546/0xad0 [ 109.884916] process_one_work+0x8ee/0x1a10 [ 109.885720] worker_thread+0x674/0xe70 [ 109.886484] kthread+0x3ab/0x720 [ 109.887154] ret_from_fork+0x48/0x80 [ 109.887844] ret_from_fork_asm+0x1a/0x30 [ 109.888622] [ 109.888622] other info that might help us debug this: [ 109.888622] [ 109.889823] Possible unsafe locking scenario: [ 109.889823] [ 109.890738] CPU0 CPU1 [ 109.891453] ---- ---- [ 109.892166] lock(&rdev->wiphy.mtx); [ 109.892790] lock(rtnl_mutex); [ 109.893697] lock(&rdev->wiphy.mtx); [ 109.894671] lock(rtnl_mutex); [ 109.895243] [ 109.895243] *** DEADLOCK *** [ 109.895243] [ 109.896168] 4 locks held by kworker/u8:2/725: [ 109.896894] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 109.898531] #1: ffff88800f19fd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 109.900128] #2: ffffffff862119d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 109.901587] #3: ffff88800ae78768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 109.903244] [ 109.903244] stack backtrace: [ 109.903950] CPU: 1 UID: 0 PID: 725 Comm: kworker/u8:2 Not tainted 6.13.0-next-20250128 #1 [ 109.904019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 109.904058] Workqueue: netns cleanup_net [ 109.904134] Call Trace: [ 109.904151] [ 109.904171] dump_stack_lvl+0xca/0x120 [ 109.904277] print_circular_bug+0x47b/0x750 [ 109.904362] check_noncircular+0x2e9/0x3c0 [ 109.904441] ? __pfx_check_noncircular+0x10/0x10 [ 109.904520] ? hlock_class+0x4e/0x130 [ 109.904576] ? srso_return_thunk+0x5/0x5f [ 109.904679] ? mark_lock+0xac/0xed0 [ 109.904760] ? lockdep_lock+0xba/0x1b0 [ 109.904866] ? __pfx_lockdep_lock+0x10/0x10 [ 109.904982] __lock_acquire+0x29fd/0x4580 [ 109.905082] ? __pfx___lock_acquire+0x10/0x10 [ 109.905163] ? lock_release+0x20f/0x6f0 [ 109.905245] ? __pfx_lock_release+0x10/0x10 [ 109.905325] ? srso_return_thunk+0x5/0x5f [ 109.905437] lock_acquire+0x19b/0x520 [ 109.905517] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.905608] ? __pfx_lock_acquire+0x10/0x10 [ 109.905697] ? srso_return_thunk+0x5/0x5f [ 109.905805] ? lock_is_held_type+0x9e/0x120 [ 109.905907] ? srso_return_thunk+0x5/0x5f [ 109.906017] __mutex_lock+0x13d/0xb50 [ 109.906115] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.906199] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.906285] ? srso_return_thunk+0x5/0x5f [ 109.906389] ? synchronize_rcu_expedited+0x38a/0x420 [ 109.906469] ? __pfx___mutex_lock+0x10/0x10 [ 109.906572] ? srso_return_thunk+0x5/0x5f [ 109.906684] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 109.906758] unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.906843] ? __virt_addr_valid+0x2e8/0x5d0 [ 109.906941] ? __pfx_lock_release+0x10/0x10 [ 109.907024] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 109.907110] ? find_held_lock+0x2c/0x110 [ 109.907219] ? srso_return_thunk+0x5/0x5f [ 109.907326] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 109.907438] ? srso_return_thunk+0x5/0x5f [ 109.907541] ? lock_release+0x20f/0x6f0 [ 109.907638] ? __pfx_lock_release+0x10/0x10 [ 109.907719] ? srso_return_thunk+0x5/0x5f [ 109.907822] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 109.907911] ? srso_return_thunk+0x5/0x5f [ 109.908024] unregister_netdevice_queue+0x224/0x2e0 [ 109.908106] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 109.908187] ? up_write+0x195/0x520 [ 109.908289] _cfg80211_unregister_wdev+0x57b/0x700 [ 109.908387] ? srso_return_thunk+0x5/0x5f [ 109.908498] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 109.908570] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 109.908643] ? srso_return_thunk+0x5/0x5f [ 109.908746] ? srso_return_thunk+0x5/0x5f [ 109.908854] ? synchronize_rcu+0x1ff/0x260 [ 109.908934] ieee80211_unregister_hw+0x55/0x3a0 [ 109.909017] hwsim_exit_net+0x3a0/0x730 [ 109.909095] ? __pfx_hwsim_exit_net+0x10/0x10 [ 109.909171] ? srso_return_thunk+0x5/0x5f [ 109.909275] ? netdev_run_todo+0x788/0x1040 [ 109.909366] ? __pfx_hwsim_exit_net+0x10/0x10 [ 109.909446] ops_exit_list+0xb3/0x180 [ 109.909525] cleanup_net+0x546/0xad0 [ 109.909608] ? __pfx_cleanup_net+0x10/0x10 [ 109.909708] process_one_work+0x8ee/0x1a10 [ 109.909830] ? __pfx_lock_acquire+0x10/0x10 [ 109.909913] ? __pfx_process_one_work+0x10/0x10 [ 109.910022] ? srso_return_thunk+0x5/0x5f [ 109.910126] ? move_linked_works+0x172/0x270 [ 109.910209] ? srso_return_thunk+0x5/0x5f [ 109.910312] ? assign_work+0x196/0x240 [ 109.910419] worker_thread+0x674/0xe70 [ 109.910527] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 109.910624] ? srso_return_thunk+0x5/0x5f [ 109.910727] ? __pfx_worker_thread+0x10/0x10 [ 109.910839] kthread+0x3ab/0x720 [ 109.910935] ? __pfx_kthread+0x10/0x10 [ 109.911032] ? srso_return_thunk+0x5/0x5f [ 109.911135] ? finish_task_switch.isra.0+0x206/0x840 [ 109.911230] ? __pfx_kthread+0x10/0x10 [ 109.911330] ret_from_fork+0x48/0x80 [ 109.911388] ? __pfx_kthread+0x10/0x10 [ 109.911487] ret_from_fork_asm+0x1a/0x30 [ 109.911618] executing program executing program [ 115.380079] audit: type=1400 audit(1738080004.718:8): 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 [ 116.277872] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program [ 117.341738] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list VM DIAGNOSIS: 15:59:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801483f031 RCX=ffffffff84a5f261 RDX=ffff88800f2d5340 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff888015de2475 RSP=ffff8880135af818 R8 =0000000000000001 R9 =ffffed1002bbc48e R10=00000000fffffffb R11=0000000000000000 R12=000000000000005f R13=ffff888015de3000 R14=ffff88801483f02d R15=0000000000000004 RIP=ffffffff81719d66 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 0000000001f21870 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=000000c000852000 CR3=000000000e45e000 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=00000000000000003fd0000000000000 XMM02=2e646e616d6d6f43656b616d2e637069 XMM03=00000000000000000000000000000000 XMM04=000000c0001a422800000000004f6841 XMM05=000000c00005800000000000004360f2 XMM06=000000c0000580000000000000000000 XMM07=01000000000000000000000000000000 XMM08=000000c0000001800000000000000000 XMM09=0000000000b127a8000000c000195fae XMM10=00000000004643c10000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000008a4dee00000000008a69cf XMM14=000000000089d9b900000000008a4694 XMM15=00000000004643c100000000004360f2 info registers vcpu 1 RAX=000000000000000a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283f415 RDI=ffffffff886970a0 RBP=ffffffff88697060 RSP=ffff88800f19ed20 R8 =0000000000000000 R9 =ffffed10015e8046 R10=0000000000000001 R11=3a6b636f6c206762 R12=000000000000000a R13=0000000000000010 R14=ffffffff88697060 R15=ffffffff8283f400 RIP=ffffffff8283f46d 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=00007fa367223eb0 CR3=000000000e45e000 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=00000000000000004107f00000000000 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