Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/01/21 16:01:37 fuzzer started 2025/01/21 16:01:38 dialing manager at localhost:44689 2025/01/21 16:01:38 checking machine... 2025/01/21 16:01:38 checking revisions... syzkaller login: [ 71.574837] kmemleak: Automatic memory scanning thread ended 2025/01/21 16:01:38 testing simple program... [ 71.719901] cgroup: Unknown subsys name 'net' [ 71.843306] cgroup: Unknown subsys name 'cpuset' [ 71.890494] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 77.640560] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 90.097838] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 90.723880] audit: type=1400 audit(1737475317.545:7): 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 [ 91.960101] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.964659] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.968698] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.975506] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.978392] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.983310] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 94.042882] Bluetooth: hci0: command tx timeout executing program [ 96.091510] Bluetooth: hci0: command tx timeout [ 98.138687] Bluetooth: hci0: command tx timeout executing program [ 100.185918] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 119.540490] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 119.540702] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 119.609940] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 119.610097] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/21 16:02:27 building call list... [ 120.676643] [ 120.677086] ====================================================== [ 120.678204] WARNING: possible circular locking dependency detected [ 120.679339] 6.13.0-next-20250121 #1 Not tainted [ 120.681161] ------------------------------------------------------ [ 120.686916] kworker/u8:1/66 is trying to acquire lock: [ 120.687895] ffffffff8621ece8 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 120.689749] [ 120.689749] but task is already holding lock: [ 120.690822] ffff88800f438768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 120.692646] [ 120.692646] which lock already depends on the new lock. [ 120.692646] [ 120.694082] [ 120.694082] the existing dependency chain (in reverse order) is: [ 120.695424] [ 120.695424] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 120.696646] __mutex_lock+0x13d/0xb50 [ 120.697499] wiphy_register+0x1b2e/0x25d0 [ 120.698438] ieee80211_register_hw+0x23a4/0x3d60 [ 120.699476] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 120.700533] init_mac80211_hwsim+0x389/0x870 [ 120.701516] do_one_initcall+0xf9/0x640 [ 120.702419] kernel_init_freeable+0x53d/0x7a0 [ 120.703405] kernel_init+0x1e/0x2d0 [ 120.704185] ret_from_fork+0x48/0x80 [ 120.704989] ret_from_fork_asm+0x1a/0x30 [ 120.705911] [ 120.705911] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 120.707060] __lock_acquire+0x29fd/0x4580 [ 120.707978] lock_acquire+0x19b/0x520 [ 120.708813] __mutex_lock+0x13d/0xb50 [ 120.709668] unregister_netdevice_many_notify+0x1612/0x1c80 [ 120.710840] unregister_netdevice_queue+0x224/0x2e0 [ 120.711907] _cfg80211_unregister_wdev+0x57b/0x700 [ 120.712963] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 120.713997] ieee80211_unregister_hw+0x55/0x3a0 [ 120.714975] hwsim_exit_net+0x3a0/0x730 [ 120.715854] ops_exit_list+0xb3/0x180 [ 120.716684] cleanup_net+0x546/0xad0 [ 120.717520] process_one_work+0x8ee/0x1a10 [ 120.718462] worker_thread+0x674/0xe70 [ 120.719347] kthread+0x3ab/0x720 [ 120.720142] ret_from_fork+0x48/0x80 [ 120.720976] ret_from_fork_asm+0x1a/0x30 [ 120.721883] [ 120.721883] other info that might help us debug this: [ 120.721883] [ 120.723300] Possible unsafe locking scenario: [ 120.723300] [ 120.724356] CPU0 CPU1 [ 120.725205] ---- ---- [ 120.726035] lock(&rdev->wiphy.mtx); [ 120.726775] lock(rtnl_mutex); [ 120.727847] lock(&rdev->wiphy.mtx); [ 120.729018] lock(rtnl_mutex); [ 120.729672] [ 120.729672] *** DEADLOCK *** [ 120.729672] [ 120.730701] 4 locks held by kworker/u8:1/66: [ 120.731500] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 120.733366] #1: ffff88800ed07d30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 120.735127] #2: ffffffff86212d10 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 120.736792] #3: ffff88800f438768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 120.738686] [ 120.738686] stack backtrace: [ 120.739513] CPU: 0 UID: 0 PID: 66 Comm: kworker/u8:1 Not tainted 6.13.0-next-20250121 #1 [ 120.740950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 120.742349] Workqueue: netns cleanup_net [ 120.743117] Call Trace: [ 120.743588] [ 120.744009] dump_stack_lvl+0xca/0x120 [ 120.744763] print_circular_bug+0x47b/0x750 [ 120.745582] check_noncircular+0x2e9/0x3c0 [ 120.746368] ? __pfx_check_noncircular+0x10/0x10 [ 120.747259] ? hlock_class+0x4e/0x130 [ 120.747963] ? mark_lock+0xac/0xed0 [ 120.748684] ? srso_return_thunk+0x5/0x5f [ 120.749519] ? lockdep_lock+0xba/0x1b0 [ 120.750264] ? __pfx_lockdep_lock+0x10/0x10 [ 120.751088] __lock_acquire+0x29fd/0x4580 [ 120.751889] ? __pfx___lock_acquire+0x10/0x10 [ 120.752717] ? lock_release+0x20f/0x6f0 [ 120.753458] ? __pfx_lock_release+0x10/0x10 [ 120.754259] lock_acquire+0x19b/0x520 [ 120.754965] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 120.756045] ? __pfx_lock_acquire+0x10/0x10 [ 120.756843] ? srso_return_thunk+0x5/0x5f [ 120.757641] ? lock_release+0x20f/0x6f0 [ 120.758384] ? srso_return_thunk+0x5/0x5f [ 120.759176] ? lock_is_held_type+0x9e/0x120 [ 120.760002] ? srso_return_thunk+0x5/0x5f [ 120.760814] __mutex_lock+0x13d/0xb50 [ 120.761545] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 120.762574] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 120.763626] ? srso_return_thunk+0x5/0x5f [ 120.764421] ? synchronize_rcu_expedited+0x38a/0x420 [ 120.765345] ? __pfx___mutex_lock+0x10/0x10 [ 120.766166] ? __pfx_autoremove_wake_function+0x10/0x10 [ 120.767166] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 120.768008] unregister_netdevice_many_notify+0x1612/0x1c80 [ 120.769017] ? __virt_addr_valid+0x2e8/0x5d0 [ 120.769835] ? __pfx_lock_release+0x10/0x10 [ 120.770628] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 120.771716] ? find_held_lock+0x2c/0x110 [ 120.772487] ? srso_return_thunk+0x5/0x5f [ 120.773259] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 120.774157] ? srso_return_thunk+0x5/0x5f [ 120.774924] ? lock_release+0x20f/0x6f0 [ 120.775690] ? __pfx_lock_release+0x10/0x10 [ 120.776463] ? srso_return_thunk+0x5/0x5f [ 120.777257] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 120.778193] ? srso_return_thunk+0x5/0x5f [ 120.778971] unregister_netdevice_queue+0x224/0x2e0 [ 120.779894] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 120.780896] ? up_write+0x195/0x520 [ 120.781598] _cfg80211_unregister_wdev+0x57b/0x700 [ 120.782489] ? srso_return_thunk+0x5/0x5f [ 120.783284] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 120.784173] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 120.785159] ? srso_return_thunk+0x5/0x5f [ 120.785934] ? srso_return_thunk+0x5/0x5f [ 120.786711] ? synchronize_rcu+0x1ff/0x260 [ 120.787488] ieee80211_unregister_hw+0x55/0x3a0 [ 120.788344] hwsim_exit_net+0x3a0/0x730 [ 120.789098] ? __pfx_hwsim_exit_net+0x10/0x10 [ 120.789906] ? srso_return_thunk+0x5/0x5f [ 120.790690] ? netdev_run_todo+0x788/0x1040 [ 120.791494] ? __pfx_hwsim_exit_net+0x10/0x10 [ 120.792298] ops_exit_list+0xb3/0x180 [ 120.793001] cleanup_net+0x546/0xad0 [ 120.793708] ? __pfx_cleanup_net+0x10/0x10 [ 120.794484] process_one_work+0x8ee/0x1a10 [ 120.795301] ? __pfx_lock_acquire+0x10/0x10 [ 120.796094] ? __pfx_process_one_work+0x10/0x10 [ 120.796967] ? srso_return_thunk+0x5/0x5f [ 120.797767] ? move_linked_works+0x172/0x270 [ 120.798564] ? srso_return_thunk+0x5/0x5f [ 120.799337] ? assign_work+0x196/0x240 [ 120.800085] worker_thread+0x674/0xe70 [ 120.800859] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 120.801805] ? srso_return_thunk+0x5/0x5f [ 120.802578] ? __pfx_worker_thread+0x10/0x10 [ 120.803417] kthread+0x3ab/0x720 [ 120.804076] ? __pfx_kthread+0x10/0x10 [ 120.804810] ? srso_return_thunk+0x5/0x5f [ 120.805584] ? finish_task_switch.isra.0+0x206/0x840 [ 120.806495] ? __pfx_kthread+0x10/0x10 [ 120.807230] ret_from_fork+0x48/0x80 [ 120.807894] ? __pfx_kthread+0x10/0x10 [ 120.808624] ret_from_fork_asm+0x1a/0x30 [ 120.809409] executing program executing program [ 126.198351] audit: type=1400 audit(1737475353.020:8): avc: denied { create } for pid=255 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 127.150668] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 128.222715] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program VM DIAGNOSIS: 16:02:27 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283eba5 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff88800ed06bb8 R8 =0000000000000001 R9 =ffffed1001da0d67 R10=000000000000002d R11=2d2d2d2d2d2d2d2d R12=000000000000002d R13=0000000000000001 R14=ffff888008fea011 R15=ffff88800ed06eb8 RIP=ffffffff8283ebfd 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=000000c000847000 CR3=0000000013476000 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=000000000000000040e6ce0000000000 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=ffffffff8558c14a RCX=ffffffff8166a9ff RDX=ffff888016548000 RSI=ffffffff8166aa0e RDI=0000000000000007 RBP=0000000000000077 RSP=ffff888013467a40 R8 =0000000000000001 R9 =ffffed1003d7d50a R10=00000000000001f8 R11=0000000000000000 R12=0000000000000001 R13=ffff888016547835 R14=00000000000001f8 R15=dffffc0000000000 RIP=ffffffff8171a2f8 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 000000c000030b10 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=000000c00085a000 CR3=0000000013476000 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=00000000000000004237517d1d9e0000 XMM02=00000000000000003fde666666666666 XMM03=00000000000000003fde666666666666 XMM04=00000000000000003fd21ec3eda848f9 XMM05=000000c000148090000000c000148060 XMM06=00000000000000003fd3333333333333 XMM07=00000000000000003fd0000000000000 XMM08=00000000000000003fe358e12f033fec XMM09=00000000000000003fc096b7ef4032e4 XMM10=00000000000000003fd9083b3c0308d8 XMM11=000000c000148510000000c0001484e0 XMM12=000000c000148540000000c00008f530 XMM13=000000c0001485a0000000c000148570 XMM14=000000c000148600000000c0001485d0 XMM15=000000c00014bb80000000c000148630