Warning: Permanently added '[localhost]:25985' (ECDSA) to the list of known hosts. 2025/01/20 16:41:39 fuzzer started 2025/01/20 16:41:40 dialing manager at localhost:44833 2025/01/20 16:41:40 checking machine... 2025/01/20 16:41:40 checking revisions... syzkaller login: [ 70.782603] kmemleak: Automatic memory scanning thread ended 2025/01/20 16:41:40 testing simple program... [ 70.914847] cgroup: Unknown subsys name 'net' [ 71.006551] cgroup: Unknown subsys name 'cpuset' [ 71.036611] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 77.448013] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 89.794154] audit: type=1400 audit(1737391319.391:7): avc: denied { execmem } for pid=273 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 90.960273] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.965276] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.967918] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.977296] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.982400] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 90.986438] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 93.042942] Bluetooth: hci0: command tx timeout executing program [ 95.090396] Bluetooth: hci0: command tx timeout [ 97.137915] Bluetooth: hci0: command tx timeout executing program [ 99.186562] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 118.663279] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 118.663457] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 118.708376] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 118.708499] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/20 16:42:28 building call list... [ 119.553730] syz-executor.0 (274) used greatest stack depth: 24112 bytes left [ 119.568608] [ 119.568979] ====================================================== [ 119.570042] WARNING: possible circular locking dependency detected [ 119.571120] 6.13.0-rc7-next-20250120 #1 Not tainted [ 119.573742] ------------------------------------------------------ [ 119.578376] kworker/u8:0/11 is trying to acquire lock: [ 119.579289] ffffffff8621eb28 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.581111] [ 119.581111] but task is already holding lock: [ 119.582109] ffff88801f608768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 119.583870] [ 119.583870] which lock already depends on the new lock. [ 119.583870] [ 119.585240] [ 119.585240] the existing dependency chain (in reverse order) is: [ 119.586515] [ 119.586515] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 119.587704] __mutex_lock+0x13d/0xb50 [ 119.588554] wiphy_register+0x1b2e/0x25d0 [ 119.589428] ieee80211_register_hw+0x23a4/0x3d60 [ 119.590395] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 119.591414] init_mac80211_hwsim+0x389/0x870 [ 119.592368] do_one_initcall+0xf9/0x640 [ 119.593224] kernel_init_freeable+0x53d/0x7a0 [ 119.594163] kernel_init+0x1e/0x2d0 [ 119.594935] ret_from_fork+0x48/0x80 [ 119.595717] ret_from_fork_asm+0x1a/0x30 [ 119.596637] [ 119.596637] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 119.597746] __lock_acquire+0x29fd/0x4580 [ 119.598624] lock_acquire+0x19b/0x520 [ 119.599422] __mutex_lock+0x13d/0xb50 [ 119.600245] unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.601372] unregister_netdevice_queue+0x224/0x2e0 [ 119.602491] _cfg80211_unregister_wdev+0x57b/0x700 [ 119.603544] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 119.604653] ieee80211_unregister_hw+0x55/0x3a0 [ 119.605680] hwsim_exit_net+0x3a0/0x730 [ 119.606576] ops_exit_list+0xb3/0x180 [ 119.607412] cleanup_net+0x546/0xad0 [ 119.608363] process_one_work+0x8ee/0x1a10 [ 119.609408] worker_thread+0x674/0xe70 [ 119.610370] kthread+0x3ab/0x720 [ 119.611230] ret_from_fork+0x48/0x80 [ 119.612118] ret_from_fork_asm+0x1a/0x30 [ 119.613057] [ 119.613057] other info that might help us debug this: [ 119.613057] [ 119.614497] Possible unsafe locking scenario: [ 119.614497] [ 119.615589] CPU0 CPU1 [ 119.616536] ---- ---- [ 119.617421] lock(&rdev->wiphy.mtx); [ 119.618246] lock(rtnl_mutex); [ 119.619337] lock(&rdev->wiphy.mtx); [ 119.620624] lock(rtnl_mutex); [ 119.621313] [ 119.621313] *** DEADLOCK *** [ 119.621313] [ 119.622448] 4 locks held by kworker/u8:0/11: [ 119.623248] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 119.625247] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 119.627153] #2: ffffffff86212b50 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 119.628926] #3: ffff88801f608768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 119.630893] [ 119.630893] stack backtrace: [ 119.631757] CPU: 0 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-rc7-next-20250120 #1 [ 119.633330] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 119.634728] Workqueue: netns cleanup_net [ 119.635503] Call Trace: [ 119.636034] [ 119.636460] dump_stack_lvl+0xca/0x120 [ 119.637269] print_circular_bug+0x47b/0x750 [ 119.638178] check_noncircular+0x2e9/0x3c0 [ 119.639023] ? __pfx_check_noncircular+0x10/0x10 [ 119.639998] ? hlock_class+0x4e/0x130 [ 119.640683] ? srso_return_thunk+0x5/0x5f [ 119.641486] ? mark_lock+0xac/0xed0 [ 119.642166] ? lockdep_lock+0xba/0x1b0 [ 119.642953] ? __pfx_lockdep_lock+0x10/0x10 [ 119.643909] __lock_acquire+0x29fd/0x4580 [ 119.644722] ? __pfx___lock_acquire+0x10/0x10 [ 119.645637] ? lock_release+0x20f/0x6f0 [ 119.646489] ? __pfx_lock_release+0x10/0x10 [ 119.647389] ? srso_return_thunk+0x5/0x5f [ 119.648279] lock_acquire+0x19b/0x520 [ 119.649119] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.650305] ? __pfx_lock_acquire+0x10/0x10 [ 119.651218] ? srso_return_thunk+0x5/0x5f [ 119.652116] ? lock_is_held_type+0x9e/0x120 [ 119.653043] ? srso_return_thunk+0x5/0x5f [ 119.653905] __mutex_lock+0x13d/0xb50 [ 119.654687] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.655837] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.656968] ? srso_return_thunk+0x5/0x5f [ 119.657889] ? synchronize_rcu_expedited+0x38a/0x420 [ 119.658860] ? __pfx___mutex_lock+0x10/0x10 [ 119.659687] ? srso_return_thunk+0x5/0x5f [ 119.660612] ? srso_return_thunk+0x5/0x5f [ 119.661461] ? kasan_quarantine_put+0x84/0x1e0 [ 119.662346] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 119.663218] ? srso_return_thunk+0x5/0x5f [ 119.664150] unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.665300] ? __virt_addr_valid+0x2e8/0x5d0 [ 119.666130] ? __pfx_lock_release+0x10/0x10 [ 119.666921] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 119.668006] ? find_held_lock+0x2c/0x110 [ 119.668782] ? srso_return_thunk+0x5/0x5f [ 119.669560] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 119.670463] ? srso_return_thunk+0x5/0x5f [ 119.671238] ? lock_release+0x20f/0x6f0 [ 119.671986] ? __pfx_lock_release+0x10/0x10 [ 119.672756] ? srso_return_thunk+0x5/0x5f [ 119.673531] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 119.674458] ? srso_return_thunk+0x5/0x5f [ 119.675272] unregister_netdevice_queue+0x224/0x2e0 [ 119.676175] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 119.677153] ? up_write+0x195/0x520 [ 119.677859] _cfg80211_unregister_wdev+0x57b/0x700 [ 119.678753] ? srso_return_thunk+0x5/0x5f [ 119.679553] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 119.680468] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 119.681438] ? srso_return_thunk+0x5/0x5f [ 119.682221] ? srso_return_thunk+0x5/0x5f [ 119.683008] ? synchronize_rcu+0x1ff/0x260 [ 119.683791] ieee80211_unregister_hw+0x55/0x3a0 [ 119.684651] hwsim_exit_net+0x3a0/0x730 [ 119.685377] ? __pfx_hwsim_exit_net+0x10/0x10 [ 119.686193] ? srso_return_thunk+0x5/0x5f [ 119.686997] ? netdev_run_todo+0x788/0x1040 [ 119.687812] ? __pfx_hwsim_exit_net+0x10/0x10 [ 119.688650] ops_exit_list+0xb3/0x180 [ 119.689379] cleanup_net+0x546/0xad0 [ 119.690093] ? __pfx_cleanup_net+0x10/0x10 [ 119.690899] process_one_work+0x8ee/0x1a10 [ 119.691747] ? __pfx_lock_acquire+0x10/0x10 [ 119.692589] ? __pfx_process_one_work+0x10/0x10 [ 119.693465] ? srso_return_thunk+0x5/0x5f [ 119.694260] ? move_linked_works+0x172/0x270 [ 119.695085] ? srso_return_thunk+0x5/0x5f [ 119.695917] ? assign_work+0x196/0x240 [ 119.696684] worker_thread+0x674/0xe70 [ 119.697453] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 119.698411] ? __pfx_worker_thread+0x10/0x10 [ 119.699272] kthread+0x3ab/0x720 [ 119.699963] ? __pfx_kthread+0x10/0x10 [ 119.700710] ? srso_return_thunk+0x5/0x5f [ 119.701504] ? finish_task_switch.isra.0+0x206/0x840 [ 119.702426] ? __pfx_kthread+0x10/0x10 [ 119.703175] ret_from_fork+0x48/0x80 [ 119.703881] ? __pfx_kthread+0x10/0x10 [ 119.704638] ret_from_fork_asm+0x1a/0x30 [ 119.705462] executing program [ 123.564394] audit: type=1400 audit(1737391353.162:8): 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 [ 124.405456] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program [ 125.429122] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program 2025/01/20 16:42:37 syscalls: 2217 2025/01/20 16:42:37 code coverage: enabled 2025/01/20 16:42:37 comparison tracing: enabled 2025/01/20 16:42:37 extra coverage: enabled 2025/01/20 16:42:37 setuid sandbox: enabled 2025/01/20 16:42:37 namespace sandbox: enabled 2025/01/20 16:42:37 Android sandbox: enabled 2025/01/20 16:42:37 fault injection: enabled 2025/01/20 16:42:37 leak checking: enabled 2025/01/20 16:42:37 net packet injection: enabled 2025/01/20 16:42:37 net device setup: enabled 2025/01/20 16:42:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/20 16:42:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/20 16:42:37 USB emulation: enabled 2025/01/20 16:42:37 hci packet injection: enabled 2025/01/20 16:42:37 wifi device emulation: enabled 2025/01/20 16:42:37 802.15.4 emulation: enabled 2025/01/20 16:42:37 fetching corpus: 0, signal 0/0 (executing program) 2025/01/20 16:42:37 fetching corpus: 0, signal 0/0 (executing program) 2025/01/20 16:42:39 starting 8 fuzzer processes 16:42:39 executing program 0: syz_open_procfs$namespace(0xffffffffffffffff, &(0x7f0000000240)='ns/pid\x00') 16:42:39 executing program 1: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000540)=@newsa={0x154, 0x10, 0x3c7c02c9b47383d1, 0x0, 0x0, {{@in6=@ipv4={'\x00', '\xff\xff', @remote}, @in, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xee00}, {@in=@multicast2, 0x0, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x0, 0x2}, [@algo_crypt={0x48, 0x2, {{'ecb(arc4)\x00'}}}, @replay_esn_val={0x1c}]}, 0x154}}, 0x0) 16:42:39 executing program 2: syz_emit_ethernet(0x32, &(0x7f0000000000)={@multicast, @multicast, @void, {@ipv4={0x800, @icmp={{0x7, 0x4, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x1, 0x0, @remote, @rand_addr=0x64010101, {[@rr={0x7, 0x7, 0x6, [@loopback]}]}}, @info_request}}}}, 0x0) VM DIAGNOSIS: 16:42:29 Registers: info registers vcpu 0 RAX=000000000000005b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283e2e5 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff8880095debb8 R8 =0000000000000001 R9 =ffffed10012bbd67 R10=000000000000005b R11=2d2d2d2d2d2d2d2d R12=000000000000005b R13=0000000000000001 R14=ffff888008fea001 R15=ffff8880095deeb8 RIP=ffffffff8283e33d 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=00007f0f338da2d0 CR3=000000000deb6000 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=00000000000000004106358000000000 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=00000000fffffffe RCX=ffffffff84a53adf RDX=ffff8880169c5340 RSI=ffffffff84a53af5 RDI=0000000000000000 RBP=00000000ffffffff RSP=ffff8880166976f8 R8 =0000000000000007 R9 =ffffed1003e53946 R10=00000000ffffffff R11=0000000000000000 R12=ffff88801f29ca44 R13=ffff888016697787 R14=ffff88801f29d000 R15=ffff88801f29ca34 RIP=ffffffff84a53af7 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 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=000000c0006c1000 CR3=000000000deb6000 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=29286e69616d20746e690a64656c6c61 XMM14=6f6c6c6548222866746e697270207b20 XMM15=0a7d203b29226e5c21646c726f57202c