Warning: Permanently added '[localhost]:62919' (ECDSA) to the list of known hosts. 2025/01/20 16:41:29 fuzzer started 2025/01/20 16:41:30 dialing manager at localhost:44833 2025/01/20 16:41:30 checking machine... 2025/01/20 16:41:30 checking revisions... syzkaller login: [ 70.932900] kmemleak: Automatic memory scanning thread ended 2025/01/20 16:41:30 testing simple program... [ 71.077453] cgroup: Unknown subsys name 'net' [ 71.191456] cgroup: Unknown subsys name 'cpuset' [ 71.232790] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 77.307074] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program [ 88.449725] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program [ 88.851158] audit: type=1400 audit(1737391308.481:7): 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 [ 90.036144] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.042250] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.045486] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.052651] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.059253] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 90.062167] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 92.120169] Bluetooth: hci0: command tx timeout [ 94.168654] Bluetooth: hci0: command tx timeout executing program [ 96.214888] Bluetooth: hci0: command tx timeout executing program [ 98.262812] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 117.615041] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.615247] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 117.743633] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 117.744164] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/20 16:42:18 building call list... [ 118.718069] syz-executor.0 (275) used greatest stack depth: 23872 bytes left executing program [ 118.754497] [ 118.754905] ====================================================== [ 118.756087] WARNING: possible circular locking dependency detected [ 118.757163] 6.13.0-rc7-next-20250120 #1 Not tainted [ 118.761132] ------------------------------------------------------ [ 118.762203] kworker/u8:0/11 is trying to acquire lock: [ 118.763104] ffffffff8621eb28 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 118.764934] [ 118.764934] but task is already holding lock: [ 118.765954] ffff888016938768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 118.767726] [ 118.767726] which lock already depends on the new lock. [ 118.767726] [ 118.769113] [ 118.769113] the existing dependency chain (in reverse order) is: [ 118.770385] [ 118.770385] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 118.771578] __mutex_lock+0x13d/0xb50 [ 118.772437] wiphy_register+0x1b2e/0x25d0 [ 118.773354] ieee80211_register_hw+0x23a4/0x3d60 [ 118.774333] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 118.775395] init_mac80211_hwsim+0x389/0x870 [ 118.776357] do_one_initcall+0xf9/0x640 [ 118.777248] kernel_init_freeable+0x53d/0x7a0 [ 118.778210] kernel_init+0x1e/0x2d0 [ 118.778975] ret_from_fork+0x48/0x80 [ 118.779775] ret_from_fork_asm+0x1a/0x30 [ 118.780660] [ 118.780660] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 118.781788] __lock_acquire+0x29fd/0x4580 [ 118.782666] lock_acquire+0x19b/0x520 [ 118.783488] __mutex_lock+0x13d/0xb50 [ 118.784338] unregister_netdevice_many_notify+0x1612/0x1c80 [ 118.785466] unregister_netdevice_queue+0x224/0x2e0 [ 118.786478] _cfg80211_unregister_wdev+0x57b/0x700 [ 118.787501] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 118.788531] ieee80211_unregister_hw+0x55/0x3a0 [ 118.789497] hwsim_exit_net+0x3a0/0x730 [ 118.790352] ops_exit_list+0xb3/0x180 [ 118.791165] cleanup_net+0x546/0xad0 [ 118.791982] process_one_work+0x8ee/0x1a10 [ 118.792908] worker_thread+0x674/0xe70 [ 118.793778] kthread+0x3ab/0x720 [ 118.794547] ret_from_fork+0x48/0x80 [ 118.795334] ret_from_fork_asm+0x1a/0x30 [ 118.796238] [ 118.796238] other info that might help us debug this: [ 118.796238] [ 118.797601] Possible unsafe locking scenario: [ 118.797601] [ 118.798627] CPU0 CPU1 [ 118.799442] ---- ---- [ 118.800271] lock(&rdev->wiphy.mtx); [ 118.801003] lock(rtnl_mutex); [ 118.802056] lock(&rdev->wiphy.mtx); [ 118.803196] lock(rtnl_mutex); [ 118.803854] [ 118.803854] *** DEADLOCK *** [ 118.803854] [ 118.804895] 4 locks held by kworker/u8:0/11: [ 118.805679] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 118.807509] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 118.809265] #2: ffffffff86212b50 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 118.810885] #3: ffff888016938768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 118.812730] [ 118.812730] stack backtrace: [ 118.813506] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-rc7-next-20250120 #1 [ 118.814929] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 118.816324] Workqueue: netns cleanup_net [ 118.817082] Call Trace: [ 118.817534] [ 118.817940] dump_stack_lvl+0xca/0x120 [ 118.818680] print_circular_bug+0x47b/0x750 [ 118.819462] check_noncircular+0x2e9/0x3c0 [ 118.820242] ? __pfx_check_noncircular+0x10/0x10 [ 118.821095] ? hlock_class+0x4e/0x130 [ 118.821783] ? srso_return_thunk+0x5/0x5f [ 118.822576] ? mark_lock+0xac/0xed0 [ 118.823266] ? lockdep_lock+0xba/0x1b0 [ 118.824043] ? __pfx_lockdep_lock+0x10/0x10 [ 118.824883] __lock_acquire+0x29fd/0x4580 [ 118.825681] ? __pfx___lock_acquire+0x10/0x10 [ 118.826514] ? lock_release+0x20f/0x6f0 [ 118.827262] ? __pfx_lock_release+0x10/0x10 [ 118.828050] ? srso_return_thunk+0x5/0x5f [ 118.828849] lock_acquire+0x19b/0x520 [ 118.829556] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 118.830593] ? __pfx_lock_acquire+0x10/0x10 [ 118.831386] ? __pfx_lock_release+0x10/0x10 [ 118.832186] ? __pfx_try_to_wake_up+0x10/0x10 [ 118.833007] ? srso_return_thunk+0x5/0x5f [ 118.833786] ? lock_is_held_type+0x9e/0x120 [ 118.834594] ? srso_return_thunk+0x5/0x5f [ 118.835375] __mutex_lock+0x13d/0xb50 [ 118.836110] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 118.837141] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 118.838172] ? srso_return_thunk+0x5/0x5f [ 118.838969] ? synchronize_rcu_expedited+0x38a/0x420 [ 118.839891] ? __pfx___mutex_lock+0x10/0x10 [ 118.840700] ? srso_return_thunk+0x5/0x5f [ 118.841480] ? srso_return_thunk+0x5/0x5f [ 118.842256] ? kasan_quarantine_put+0x84/0x1e0 [ 118.843129] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 118.843946] ? srso_return_thunk+0x5/0x5f [ 118.844735] unregister_netdevice_many_notify+0x1612/0x1c80 [ 118.845738] ? __virt_addr_valid+0x2e8/0x5d0 [ 118.846565] ? __pfx_lock_release+0x10/0x10 [ 118.847344] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 118.848417] ? find_held_lock+0x2c/0x110 [ 118.849188] ? srso_return_thunk+0x5/0x5f [ 118.849974] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 118.850879] ? srso_return_thunk+0x5/0x5f [ 118.851651] ? lock_release+0x20f/0x6f0 [ 118.852391] ? __pfx_lock_release+0x10/0x10 [ 118.853169] ? srso_return_thunk+0x5/0x5f [ 118.853953] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 118.854903] ? srso_return_thunk+0x5/0x5f [ 118.855705] unregister_netdevice_queue+0x224/0x2e0 [ 118.856607] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 118.857581] ? up_write+0x195/0x520 [ 118.858286] _cfg80211_unregister_wdev+0x57b/0x700 [ 118.859191] ? srso_return_thunk+0x5/0x5f [ 118.860017] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 118.860912] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 118.861891] ? srso_return_thunk+0x5/0x5f [ 118.862670] ? srso_return_thunk+0x5/0x5f [ 118.863453] ? synchronize_rcu+0x1ff/0x260 [ 118.864236] ieee80211_unregister_hw+0x55/0x3a0 [ 118.865085] hwsim_exit_net+0x3a0/0x730 [ 118.865822] ? __pfx_hwsim_exit_net+0x10/0x10 [ 118.866653] ? srso_return_thunk+0x5/0x5f [ 118.867430] ? netdev_run_todo+0x788/0x1040 [ 118.868248] ? __pfx_hwsim_exit_net+0x10/0x10 [ 118.869069] ops_exit_list+0xb3/0x180 [ 118.869776] cleanup_net+0x546/0xad0 [ 118.870473] ? __pfx_cleanup_net+0x10/0x10 [ 118.871265] process_one_work+0x8ee/0x1a10 [ 118.872099] ? __pfx_lock_acquire+0x10/0x10 [ 118.872896] ? __pfx_process_one_work+0x10/0x10 [ 118.873767] ? srso_return_thunk+0x5/0x5f [ 118.874562] ? move_linked_works+0x172/0x270 [ 118.875373] ? srso_return_thunk+0x5/0x5f [ 118.876178] ? assign_work+0x196/0x240 [ 118.876943] worker_thread+0x674/0xe70 [ 118.877685] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 118.878646] ? __pfx_worker_thread+0x10/0x10 [ 118.879483] kthread+0x3ab/0x720 [ 118.880168] ? __pfx_kthread+0x10/0x10 [ 118.880920] ? srso_return_thunk+0x5/0x5f [ 118.881714] ? finish_task_switch.isra.0+0x206/0x840 [ 118.882644] ? __pfx_kthread+0x10/0x10 [ 118.883399] ret_from_fork+0x48/0x80 [ 118.884094] ? __pfx_kthread+0x10/0x10 [ 118.884836] ret_from_fork_asm+0x1a/0x30 [ 118.885641] executing program [ 123.473144] audit: type=1400 audit(1737391343.104:8): 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 [ 124.434278] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program [ 125.354973] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list 2025/01/20 16:42:26 syscalls: 2217 2025/01/20 16:42:26 code coverage: enabled 2025/01/20 16:42:26 comparison tracing: enabled 2025/01/20 16:42:26 extra coverage: enabled 2025/01/20 16:42:26 setuid sandbox: enabled 2025/01/20 16:42:26 namespace sandbox: enabled 2025/01/20 16:42:26 Android sandbox: enabled 2025/01/20 16:42:26 fault injection: enabled 2025/01/20 16:42:26 leak checking: enabled 2025/01/20 16:42:26 net packet injection: enabled 2025/01/20 16:42:26 net device setup: enabled 2025/01/20 16:42:26 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/20 16:42:26 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/20 16:42:26 USB emulation: enabled 2025/01/20 16:42:26 hci packet injection: enabled 2025/01/20 16:42:26 wifi device emulation: enabled 2025/01/20 16:42:26 802.15.4 emulation: enabled 2025/01/20 16:42:26 fetching corpus: 0, signal 0/0 (executing program) 2025/01/20 16:42:26 fetching corpus: 0, signal 0/0 (executing program) VM DIAGNOSIS: 16:42:18 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000007 RCX=ffffffff84a66e19 RDX=0000000000000004 RSI=0000000000000006 RDI=0000000000000001 RBP=ffffffff852da7e0 RSP=ffff88800e98f8a0 R8 =0000000000000001 R9 =ffffed1002d7403c R10=0000000000000004 R11=0000000000000000 R12=0000000000000004 R13=0000000000000001 R14=0000000000000008 R15=ffffffff84ca6e84 RIP=ffffffff81719cfa RFL=00000202 [-------] 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 000000c000030410 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=000000c0007ef000 CR3=000000000ddf2000 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=0000000000000000417ab62cd0000000 XMM03=00000000000000000000000000000000 XMM04=732f6c61636f6c2f7273752f3d485441 XMM05=622f6c61636f6c2f7273752f3a6e6962 XMM06=73752f3a6e6962732f7273752f3a6e69 XMM07=6e69622f3a6e6962732f3a6e69622f72 XMM08=000000000000000a000000c000014016 XMM09=000000000000002a000000c000016000 XMM10=0000000000000009000000c000014040 XMM11=0000000000000007000000c000014049 XMM12=000000000000001c000000c000018000 XMM13=0000000000000041000000c00001a000 XMM14=000000000000000c000000c000014050 XMM15=000000000000000d000000c000014060 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283e2e5 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff8880095debb8 R8 =0000000000000001 R9 =ffffed10012bbd67 R10=0000000000000020 R11=0000000033312e36 R12=0000000000000020 R13=0000000000000001 R14=ffff888008fea02f 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 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe2700000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c0007c5000 CR3=000000000ddf2000 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=0000000000000000bfe62e42fefa39ef 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