Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/01/17 16:06:35 fuzzer started 2025/01/17 16:06:36 dialing manager at localhost:44245 2025/01/17 16:06:36 checking machine... 2025/01/17 16:06:36 checking revisions... syzkaller login: [ 73.261363] kmemleak: Automatic memory scanning thread ended 2025/01/17 16:06:37 testing simple program... [ 73.404564] cgroup: Unknown subsys name 'net' [ 73.492292] cgroup: Unknown subsys name 'cpuset' [ 73.520364] cgroup: Unknown subsys name 'rlimit' executing program [ 78.703810] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 88.874500] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 89.438045] audit: type=1400 audit(1737130013.226:7): avc: denied { execmem } for pid=284 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 90.699826] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 90.702668] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 90.707698] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 90.716294] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 90.722052] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 90.724218] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 92.782273] Bluetooth: hci0: command tx timeout executing program [ 94.829559] Bluetooth: hci0: command tx timeout [ 96.877976] Bluetooth: hci0: command tx timeout executing program [ 98.925756] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 118.249179] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 118.249616] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 118.333449] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 118.333595] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/17 16:07:22 building call list... [ 119.362258] [ 119.362722] ====================================================== [ 119.363884] WARNING: possible circular locking dependency detected [ 119.365074] 6.13.0-rc7-next-20250117 #1 Not tainted [ 119.366758] ------------------------------------------------------ [ 119.372466] kworker/u8:1/67 is trying to acquire lock: [ 119.373487] ffffffff8621b968 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.375477] [ 119.375477] but task is already holding lock: [ 119.376592] ffff88801ea70768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 119.378506] [ 119.378506] which lock already depends on the new lock. [ 119.378506] [ 119.379997] [ 119.379997] the existing dependency chain (in reverse order) is: [ 119.381401] [ 119.381401] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 119.382704] __mutex_lock+0x13d/0xb50 [ 119.383608] wiphy_register+0x1b2e/0x25d0 [ 119.384552] ieee80211_register_hw+0x23a4/0x3d60 [ 119.385602] mac80211_hwsim_new_radio+0x2759/0x4d50 [ 119.386695] init_mac80211_hwsim+0x389/0x870 [ 119.387709] do_one_initcall+0xf9/0x640 [ 119.388654] kernel_init_freeable+0x53d/0x7a0 [ 119.389659] kernel_init+0x1e/0x2d0 [ 119.390478] ret_from_fork+0x48/0x80 [ 119.391289] ret_from_fork_asm+0x1a/0x30 [ 119.392231] [ 119.392231] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 119.393412] __lock_acquire+0x29fd/0x4580 [ 119.394346] lock_acquire+0x19b/0x520 [ 119.395200] __mutex_lock+0x13d/0xb50 [ 119.396095] unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.397262] unregister_netdevice_queue+0x224/0x2e0 [ 119.398306] _cfg80211_unregister_wdev+0x57b/0x700 [ 119.399362] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 119.400404] ieee80211_unregister_hw+0x55/0x3a0 [ 119.401390] hwsim_exit_net+0x3a0/0x730 [ 119.402268] ops_exit_list+0xb3/0x180 [ 119.403105] cleanup_net+0x546/0xad0 [ 119.403923] process_one_work+0x8ee/0x1a10 [ 119.404867] worker_thread+0x674/0xe70 [ 119.405761] kthread+0x3ab/0x720 [ 119.406546] ret_from_fork+0x48/0x80 [ 119.407347] ret_from_fork_asm+0x1a/0x30 [ 119.408261] [ 119.408261] other info that might help us debug this: [ 119.408261] [ 119.409676] Possible unsafe locking scenario: [ 119.409676] [ 119.410763] CPU0 CPU1 [ 119.411617] ---- ---- [ 119.412474] lock(&rdev->wiphy.mtx); [ 119.413242] lock(rtnl_mutex); [ 119.414355] lock(&rdev->wiphy.mtx); [ 119.415564] lock(rtnl_mutex); [ 119.416221] [ 119.416221] *** DEADLOCK *** [ 119.416221] [ 119.417292] 4 locks held by kworker/u8:1/67: [ 119.418151] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 119.420014] #1: ffff88800eca7d30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 119.421860] #2: ffffffff8620f810 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 119.423551] #3: ffff88801ea70768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 119.425463] [ 119.425463] stack backtrace: [ 119.426293] CPU: 0 UID: 0 PID: 67 Comm: kworker/u8:1 Not tainted 6.13.0-rc7-next-20250117 #1 [ 119.427813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 119.429250] Workqueue: netns cleanup_net [ 119.430036] Call Trace: [ 119.430514] [ 119.430946] dump_stack_lvl+0xca/0x120 [ 119.431725] print_circular_bug+0x47b/0x750 [ 119.432539] check_noncircular+0x2e9/0x3c0 [ 119.433343] ? __pfx_check_noncircular+0x10/0x10 [ 119.434239] ? hlock_class+0x4e/0x130 [ 119.434956] ? mark_lock+0xac/0xed0 [ 119.435661] ? __pfx___resched_curr+0x10/0x10 [ 119.436518] ? lockdep_lock+0xba/0x1b0 [ 119.437302] ? __pfx_lockdep_lock+0x10/0x10 [ 119.438162] __lock_acquire+0x29fd/0x4580 [ 119.438950] ? __pfx___lock_acquire+0x10/0x10 [ 119.439786] ? lock_release+0x20f/0x6f0 [ 119.440539] ? __pfx_lock_release+0x10/0x10 [ 119.441342] lock_acquire+0x19b/0x520 [ 119.442064] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.443113] ? __pfx_lock_acquire+0x10/0x10 [ 119.443906] ? srso_return_thunk+0x5/0x5f [ 119.444721] ? lock_release+0x20f/0x6f0 [ 119.445467] ? srso_return_thunk+0x5/0x5f [ 119.446302] ? lock_is_held_type+0x9e/0x120 [ 119.447122] ? srso_return_thunk+0x5/0x5f [ 119.447938] __mutex_lock+0x13d/0xb50 [ 119.448669] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.449722] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.450766] ? srso_return_thunk+0x5/0x5f [ 119.451551] ? synchronize_rcu_expedited+0x38a/0x420 [ 119.452475] ? __pfx___mutex_lock+0x10/0x10 [ 119.453282] ? __pfx_autoremove_wake_function+0x10/0x10 [ 119.454257] ? srso_return_thunk+0x5/0x5f [ 119.455049] ? kasan_quarantine_put+0x84/0x1e0 [ 119.455930] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 119.456751] ? srso_return_thunk+0x5/0x5f [ 119.457543] unregister_netdevice_many_notify+0x1612/0x1c80 [ 119.458549] ? __virt_addr_valid+0x2e8/0x5d0 [ 119.459384] ? __pfx_lock_release+0x10/0x10 [ 119.460173] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 119.461235] ? find_held_lock+0x2c/0x110 [ 119.462023] ? srso_return_thunk+0x5/0x5f [ 119.462811] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 119.463738] ? srso_return_thunk+0x5/0x5f [ 119.464527] ? lock_release+0x20f/0x6f0 [ 119.465278] ? __pfx_lock_release+0x10/0x10 [ 119.466078] ? srso_return_thunk+0x5/0x5f [ 119.466855] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 119.467818] ? srso_return_thunk+0x5/0x5f [ 119.468625] unregister_netdevice_queue+0x224/0x2e0 [ 119.469534] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 119.470525] ? up_write+0x195/0x520 [ 119.471244] _cfg80211_unregister_wdev+0x57b/0x700 [ 119.472151] ? srso_return_thunk+0x5/0x5f [ 119.472944] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 119.473866] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 119.474841] ? srso_return_thunk+0x5/0x5f [ 119.475630] ? srso_return_thunk+0x5/0x5f [ 119.476428] ? synchronize_rcu+0x1ff/0x260 [ 119.477203] ieee80211_unregister_hw+0x55/0x3a0 [ 119.478089] hwsim_exit_net+0x3a0/0x730 [ 119.478826] ? __pfx_hwsim_exit_net+0x10/0x10 [ 119.479651] ? srso_return_thunk+0x5/0x5f [ 119.480466] ? netdev_run_todo+0x788/0x1040 [ 119.481293] ? __pfx_hwsim_exit_net+0x10/0x10 [ 119.482151] ops_exit_list+0xb3/0x180 [ 119.482887] cleanup_net+0x546/0xad0 [ 119.483613] ? __pfx_cleanup_net+0x10/0x10 [ 119.484424] process_one_work+0x8ee/0x1a10 [ 119.485262] ? __pfx_lock_acquire+0x10/0x10 [ 119.486078] ? __pfx_process_one_work+0x10/0x10 [ 119.486996] ? srso_return_thunk+0x5/0x5f [ 119.487810] ? move_linked_works+0x172/0x270 [ 119.488648] ? srso_return_thunk+0x5/0x5f [ 119.489449] ? assign_work+0x196/0x240 [ 119.490249] worker_thread+0x674/0xe70 [ 119.491028] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 119.492012] ? srso_return_thunk+0x5/0x5f [ 119.492829] ? __pfx_worker_thread+0x10/0x10 [ 119.493704] kthread+0x3ab/0x720 [ 119.494403] ? __pfx_kthread+0x10/0x10 [ 119.495158] ? srso_return_thunk+0x5/0x5f [ 119.495968] ? finish_task_switch.isra.0+0x206/0x840 [ 119.496931] ? __pfx_kthread+0x10/0x10 [ 119.497709] ret_from_fork+0x48/0x80 [ 119.498405] ? __pfx_kthread+0x10/0x10 [ 119.499184] ret_from_fork_asm+0x1a/0x30 [ 119.499992] executing program executing program [ 124.453849] audit: type=1400 audit(1737130048.242:8): avc: denied { create } for pid=264 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 125.221189] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 126.031102] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program VM DIAGNOSIS: 16:07:23 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283cdc5 RDI=ffffffff886930a0 RBP=ffffffff88693060 RSP=ffff88800eca6bb8 R8 =0000000000000001 R9 =ffffed1001d94d67 R10=000000000000002d R11=2d2d2d2d2d2d2d2d R12=000000000000002d R13=0000000000000001 R14=ffff888008fea015 R15=ffff88800eca6eb8 RIP=ffffffff8283ce1d 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=000000c000853000 CR3=000000001a9aa000 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 info registers vcpu 1 RAX=0000000000000000 RBX=00000000fffffffe RCX=0000000000000006 RDX=0000000000000066 RSI=ffffffff84a51c1b RDI=dffffc0000000000 RBP=0000000000000008 RSP=ffff8880134e76f0 R8 =0000000000000007 R9 =ffffed10014a896a R10=0000000000000008 R11=0000000000000000 R12=ffff88800a544b5e R13=ffff8880134e7790 R14=ffff88800a545000 R15=ffff88800a544b57 RIP=ffffffff8171a158 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 fffffe0c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000c00086c000 CR3=000000001a9aa000 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=00000000000000004235fabdcf6a0000 XMM02=00000000000000003fde666666666666 XMM03=00000000000000003fde666666666666 XMM04=00000000000000003fd1789e5229c988 XMM05=000000c00021aa80000000c0001e5000 XMM06=00000000000000003fd3333333333333 XMM07=00000000000000003fd0000000000000 XMM08=00000000000000003fe1c0acba463376 XMM09=00000000000000003fb46bcc38980218 XMM10=00000000000000003fd5b9be334974a2 XMM11=000000c000087e00000000c00001d5d0 XMM12=000000c00024c270000000c000087dd0 XMM13=000000c00024c1b0000000c000087e30 XMM14=000000c00024c150000000c00024c180 XMM15=000000c0002525a0000000c0002af560