Warning: Permanently added '[localhost]:61241' (ECDSA) to the list of known hosts. 2025/01/28 15:59:41 fuzzer started 2025/01/28 15:59:42 dialing manager at localhost:40187 2025/01/28 15:59:42 checking machine... 2025/01/28 15:59:42 checking revisions... syzkaller login: [ 63.116969] kmemleak: Automatic memory scanning thread ended 2025/01/28 15:59:42 testing simple program... [ 63.241088] cgroup: Unknown subsys name 'net' [ 63.325823] cgroup: Unknown subsys name 'cpuset' [ 63.354566] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 70.989174] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 81.424343] audit: type=1400 audit(1738080000.649:7): 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 [ 82.613471] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.616401] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.618561] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.625588] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.629282] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.631518] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 84.698082] Bluetooth: hci0: command tx timeout [ 86.745859] Bluetooth: hci0: command tx timeout executing program [ 88.793409] Bluetooth: hci0: command tx timeout executing program [ 90.841379] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 110.118254] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.119521] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.165779] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 110.166964] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program 2025/01/28 16:00:30 building call list... [ 111.071133] [ 111.071512] ====================================================== [ 111.072457] WARNING: possible circular locking dependency detected [ 111.073382] 6.13.0-next-20250128 #1 Not tainted [ 111.074997] ------------------------------------------------------ [ 111.077611] kworker/u8:0/11 is trying to acquire lock: [ 111.080273] ffffffff8621d9a8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 111.082733] [ 111.082733] but task is already holding lock: [ 111.083618] ffff88801a480768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 111.085118] [ 111.085118] which lock already depends on the new lock. [ 111.085118] [ 111.086290] [ 111.086290] the existing dependency chain (in reverse order) is: [ 111.087392] [ 111.087392] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 111.088410] __mutex_lock+0x13d/0xb50 [ 111.089133] wiphy_register+0x1b2e/0x25d0 [ 111.089913] ieee80211_register_hw+0x23a4/0x3d60 [ 111.090757] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 111.091667] init_mac80211_hwsim+0x389/0x870 [ 111.092483] do_one_initcall+0xf9/0x640 [ 111.093238] kernel_init_freeable+0x53d/0x7a0 [ 111.094062] kernel_init+0x1e/0x2d0 [ 111.094739] ret_from_fork+0x48/0x80 [ 111.095429] ret_from_fork_asm+0x1a/0x30 [ 111.096194] [ 111.096194] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 111.097147] __lock_acquire+0x29fd/0x4580 [ 111.097918] lock_acquire+0x19b/0x520 [ 111.098635] __mutex_lock+0x13d/0xb50 [ 111.099376] unregister_netdevice_many_notify+0x1612/0x1c80 [ 111.100342] unregister_netdevice_queue+0x224/0x2e0 [ 111.101214] _cfg80211_unregister_wdev+0x57b/0x700 [ 111.102087] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 111.102948] ieee80211_unregister_hw+0x55/0x3a0 [ 111.103779] hwsim_exit_net+0x3a0/0x730 [ 111.104508] ops_exit_list+0xb3/0x180 [ 111.105203] cleanup_net+0x546/0xad0 [ 111.105892] process_one_work+0x8ee/0x1a10 [ 111.106688] worker_thread+0x674/0xe70 [ 111.107449] kthread+0x3ab/0x720 [ 111.108111] ret_from_fork+0x48/0x80 [ 111.108782] ret_from_fork_asm+0x1a/0x30 [ 111.109551] [ 111.109551] other info that might help us debug this: [ 111.109551] [ 111.110709] Possible unsafe locking scenario: [ 111.110709] [ 111.111608] CPU0 CPU1 [ 111.112314] ---- ---- [ 111.113015] lock(&rdev->wiphy.mtx); [ 111.113633] lock(rtnl_mutex); [ 111.114527] lock(&rdev->wiphy.mtx); [ 111.115489] lock(rtnl_mutex); [ 111.116035] [ 111.116035] *** DEADLOCK *** [ 111.116035] [ 111.116910] 4 locks held by kworker/u8:0/11: [ 111.117584] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 111.119152] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 111.120667] #2: ffffffff862119d0 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 111.122065] #3: ffff88801a480768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 111.123647] [ 111.123647] stack backtrace: [ 111.124312] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-next-20250128 #1 [ 111.124383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.124424] Workqueue: netns cleanup_net [ 111.124506] Call Trace: [ 111.124523] [ 111.124544] dump_stack_lvl+0xca/0x120 [ 111.124653] print_circular_bug+0x47b/0x750 [ 111.124740] check_noncircular+0x2e9/0x3c0 [ 111.124821] ? __pfx_check_noncircular+0x10/0x10 [ 111.124903] ? hlock_class+0x4e/0x130 [ 111.124960] ? srso_return_thunk+0x5/0x5f [ 111.125067] ? mark_lock+0xac/0xed0 [ 111.125150] ? lockdep_lock+0xba/0x1b0 [ 111.125259] ? __pfx_lockdep_lock+0x10/0x10 [ 111.125378] __lock_acquire+0x29fd/0x4580 [ 111.125480] ? __pfx___lock_acquire+0x10/0x10 [ 111.125563] ? lock_release+0x20f/0x6f0 [ 111.125648] ? __pfx_lock_release+0x10/0x10 [ 111.125731] ? srso_return_thunk+0x5/0x5f [ 111.125845] lock_acquire+0x19b/0x520 [ 111.125928] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 111.126022] ? __pfx_lock_acquire+0x10/0x10 [ 111.126108] ? __pfx_lock_release+0x10/0x10 [ 111.126190] ? __pfx_try_to_wake_up+0x10/0x10 [ 111.126273] ? srso_return_thunk+0x5/0x5f [ 111.126379] ? lock_is_held_type+0x9e/0x120 [ 111.126484] ? srso_return_thunk+0x5/0x5f [ 111.126598] __mutex_lock+0x13d/0xb50 [ 111.126698] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 111.126785] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 111.126874] ? srso_return_thunk+0x5/0x5f [ 111.126991] ? synchronize_rcu_expedited+0x38a/0x420 [ 111.127075] ? __pfx___mutex_lock+0x10/0x10 [ 111.127180] ? srso_return_thunk+0x5/0x5f [ 111.127289] ? srso_return_thunk+0x5/0x5f [ 111.127396] ? kasan_quarantine_put+0x84/0x1e0 [ 111.127510] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 111.127577] ? srso_return_thunk+0x5/0x5f [ 111.127691] unregister_netdevice_many_notify+0x1612/0x1c80 [ 111.127780] ? __virt_addr_valid+0x2e8/0x5d0 [ 111.127880] ? __pfx_lock_release+0x10/0x10 [ 111.127966] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 111.128054] ? find_held_lock+0x2c/0x110 [ 111.128166] ? srso_return_thunk+0x5/0x5f [ 111.128276] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 111.128391] ? srso_return_thunk+0x5/0x5f [ 111.128497] ? lock_release+0x20f/0x6f0 [ 111.128582] ? __pfx_lock_release+0x10/0x10 [ 111.128665] ? srso_return_thunk+0x5/0x5f [ 111.128771] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 111.128862] ? srso_return_thunk+0x5/0x5f [ 111.128979] unregister_netdevice_queue+0x224/0x2e0 [ 111.129063] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 111.129147] ? up_write+0x195/0x520 [ 111.129252] _cfg80211_unregister_wdev+0x57b/0x700 [ 111.129353] ? srso_return_thunk+0x5/0x5f [ 111.129466] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 111.129545] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 111.129620] ? srso_return_thunk+0x5/0x5f [ 111.129727] ? srso_return_thunk+0x5/0x5f [ 111.129833] ? synchronize_rcu+0x1ff/0x260 [ 111.129914] ieee80211_unregister_hw+0x55/0x3a0 [ 111.130001] hwsim_exit_net+0x3a0/0x730 [ 111.130081] ? __pfx_hwsim_exit_net+0x10/0x10 [ 111.130159] ? srso_return_thunk+0x5/0x5f [ 111.130266] ? netdev_run_todo+0x788/0x1040 [ 111.130359] ? __pfx_hwsim_exit_net+0x10/0x10 [ 111.130441] ops_exit_list+0xb3/0x180 [ 111.130522] cleanup_net+0x546/0xad0 [ 111.130608] ? __pfx_cleanup_net+0x10/0x10 [ 111.130711] process_one_work+0x8ee/0x1a10 [ 111.130836] ? __pfx_lock_acquire+0x10/0x10 [ 111.130921] ? __pfx_process_one_work+0x10/0x10 [ 111.131043] ? srso_return_thunk+0x5/0x5f [ 111.131149] ? move_linked_works+0x172/0x270 [ 111.131234] ? srso_return_thunk+0x5/0x5f [ 111.131341] ? assign_work+0x196/0x240 [ 111.131451] worker_thread+0x674/0xe70 [ 111.131562] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 111.131662] ? __pfx_worker_thread+0x10/0x10 [ 111.131776] kthread+0x3ab/0x720 [ 111.131875] ? __pfx_kthread+0x10/0x10 [ 111.131975] ? srso_return_thunk+0x5/0x5f [ 111.132081] ? finish_task_switch.isra.0+0x206/0x840 [ 111.132178] ? __pfx_kthread+0x10/0x10 [ 111.132282] ret_from_fork+0x48/0x80 [ 111.132341] ? __pfx_kthread+0x10/0x10 [ 111.132442] ret_from_fork_asm+0x1a/0x30 [ 111.132569] executing program [ 116.125149] audit: type=1400 audit(1738080035.350:8): 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 executing program [ 117.070305] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 118.157158] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program 2025/01/28 16:00:39 syscalls: 2217 2025/01/28 16:00:39 code coverage: enabled 2025/01/28 16:00:39 comparison tracing: enabled 2025/01/28 16:00:39 extra coverage: enabled 2025/01/28 16:00:39 setuid sandbox: enabled 2025/01/28 16:00:39 namespace sandbox: enabled 2025/01/28 16:00:39 Android sandbox: enabled 2025/01/28 16:00:39 fault injection: enabled 2025/01/28 16:00:39 leak checking: enabled 2025/01/28 16:00:39 net packet injection: enabled 2025/01/28 16:00:39 net device setup: enabled 2025/01/28 16:00:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/28 16:00:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/28 16:00:39 USB emulation: enabled 2025/01/28 16:00:39 hci packet injection: enabled 2025/01/28 16:00:39 wifi device emulation: enabled 2025/01/28 16:00:39 802.15.4 emulation: enabled 2025/01/28 16:00:39 fetching corpus: 0, signal 0/0 (executing program) 2025/01/28 16:00:39 fetching corpus: 0, signal 0/0 (executing program) VM DIAGNOSIS: 16:00:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff855865c5 RCX=ffffffff8166b01f RDX=0000000000000006 RSI=ffffffff8166b02e RDI=0000000000000007 RBP=000000000000006e RSP=ffff8880159f7a40 R8 =0000000000000001 R9 =ffffed1002a1098e R10=00000000000001f7 R11=0000000000000000 R12=0000000000000001 R13=ffff88800d623037 R14=00000000000001f6 R15=dffffc0000000000 RIP=ffffffff8171a400 RFL=00000282 [--S----] 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 000000c000335910 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=00007f496c89ae48 CR3=0000000013f6e000 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 info registers vcpu 1 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283f415 RDI=ffffffff886970a0 RBP=ffffffff88697060 RSP=ffff8880095dec90 R8 =0000000000000000 R9 =ffffed10016a1046 R10=0000000000000064 R11=6666666666666666 R12=0000000000000064 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=00005645e8a1e6b0 CR3=0000000013f6e000 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=00000000000000004104674000000000 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