Warning: Permanently added '[localhost]:61241' (ECDSA) to the list of known hosts. 2025/01/17 16:06:56 fuzzer started 2025/01/17 16:06:57 dialing manager at localhost:44245 2025/01/17 16:06:57 checking machine... 2025/01/17 16:06:57 checking revisions... syzkaller login: [ 64.008421] kmemleak: Automatic memory scanning thread ended 2025/01/17 16:06:57 testing simple program... [ 64.144790] cgroup: Unknown subsys name 'net' [ 64.235283] cgroup: Unknown subsys name 'cpuset' [ 64.265246] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 69.875402] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program [ 80.513234] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 81.109616] audit: type=1400 audit(1737130034.582:7): 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 executing program [ 82.315279] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.319478] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.326253] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.335200] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.341020] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.343460] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 84.375868] Bluetooth: hci0: command tx timeout executing program [ 86.422276] Bluetooth: hci0: command tx timeout executing program [ 88.470315] Bluetooth: hci0: command tx timeout [ 90.518949] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program executing program [ 109.377251] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.377367] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 109.405819] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 109.405890] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/01/17 16:07:43 building call list... [ 110.056519] [ 110.056746] ====================================================== [ 110.057325] WARNING: possible circular locking dependency detected [ 110.057920] 6.13.0-rc7-next-20250117 #1 Not tainted [ 110.058672] ------------------------------------------------------ [ 110.059866] kworker/u8:0/11 is trying to acquire lock: [ 110.060896] ffffffff8621b968 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.062742] [ 110.062742] but task is already holding lock: [ 110.064155] ffff88801a830768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 110.065878] [ 110.065878] which lock already depends on the new lock. [ 110.065878] [ 110.067387] [ 110.067387] the existing dependency chain (in reverse order) is: [ 110.068431] [ 110.068431] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 110.069106] __mutex_lock+0x13d/0xb50 [ 110.069577] wiphy_register+0x1b2e/0x25d0 [ 110.070079] ieee80211_register_hw+0x23a4/0x3d60 [ 110.070628] mac80211_hwsim_new_radio+0x2759/0x4d50 [ 110.071215] init_mac80211_hwsim+0x389/0x870 [ 110.071766] do_one_initcall+0xf9/0x640 [ 110.072240] kernel_init_freeable+0x53d/0x7a0 [ 110.072750] kernel_init+0x1e/0x2d0 [ 110.073169] ret_from_fork+0x48/0x80 [ 110.073595] ret_from_fork_asm+0x1a/0x30 [ 110.074075] [ 110.074075] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 110.074688] __lock_acquire+0x29fd/0x4580 [ 110.075167] lock_acquire+0x19b/0x520 [ 110.075606] __mutex_lock+0x13d/0xb50 [ 110.076065] unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.076667] unregister_netdevice_queue+0x224/0x2e0 [ 110.077224] _cfg80211_unregister_wdev+0x57b/0x700 [ 110.077765] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 110.078306] ieee80211_unregister_hw+0x55/0x3a0 [ 110.078828] hwsim_exit_net+0x3a0/0x730 [ 110.079287] ops_exit_list+0xb3/0x180 [ 110.079731] cleanup_net+0x546/0xad0 [ 110.080164] process_one_work+0x8ee/0x1a10 [ 110.080660] worker_thread+0x674/0xe70 [ 110.081128] kthread+0x3ab/0x720 [ 110.081542] ret_from_fork+0x48/0x80 [ 110.081964] ret_from_fork_asm+0x1a/0x30 [ 110.082443] [ 110.082443] other info that might help us debug this: [ 110.082443] [ 110.083184] Possible unsafe locking scenario: [ 110.083184] [ 110.083753] CPU0 CPU1 [ 110.084192] ---- ---- [ 110.084632] lock(&rdev->wiphy.mtx); [ 110.085022] lock(rtnl_mutex); [ 110.085581] lock(&rdev->wiphy.mtx); [ 110.086185] lock(rtnl_mutex); [ 110.086535] [ 110.086535] *** DEADLOCK *** [ 110.086535] [ 110.087098] 4 locks held by kworker/u8:0/11: [ 110.087518] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 110.088538] #1: ffff8880095dfd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 110.089514] #2: ffffffff8620f810 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 110.090411] #3: ffff88801a830768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 110.091413] [ 110.091413] stack backtrace: [ 110.091856] CPU: 0 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-rc7-next-20250117 #1 [ 110.092655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 110.093442] Workqueue: netns cleanup_net [ 110.093860] Call Trace: [ 110.094116] [ 110.094341] dump_stack_lvl+0xca/0x120 [ 110.094754] print_circular_bug+0x47b/0x750 [ 110.095201] check_noncircular+0x2e9/0x3c0 [ 110.095634] ? __pfx_check_noncircular+0x10/0x10 [ 110.096119] ? hlock_class+0x4e/0x130 [ 110.096497] ? mark_lock+0xac/0xed0 [ 110.096876] ? srso_return_thunk+0x5/0x5f [ 110.097310] ? timerqueue_del+0x83/0x150 [ 110.097732] ? lockdep_lock+0xba/0x1b0 [ 110.098147] ? __pfx_lockdep_lock+0x10/0x10 [ 110.098605] __lock_acquire+0x29fd/0x4580 [ 110.099037] ? __pfx___lock_acquire+0x10/0x10 [ 110.099495] ? lock_release+0x20f/0x6f0 [ 110.099914] ? __pfx_lock_release+0x10/0x10 [ 110.100354] lock_acquire+0x19b/0x520 [ 110.100743] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.101321] ? __pfx_lock_acquire+0x10/0x10 [ 110.101758] ? srso_return_thunk+0x5/0x5f [ 110.102194] ? lock_release+0x20f/0x6f0 [ 110.102601] ? srso_return_thunk+0x5/0x5f [ 110.103031] ? lock_is_held_type+0x9e/0x120 [ 110.103496] ? srso_return_thunk+0x5/0x5f [ 110.103928] __mutex_lock+0x13d/0xb50 [ 110.104327] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.104902] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.105484] ? srso_return_thunk+0x5/0x5f [ 110.105918] ? synchronize_rcu_expedited+0x38a/0x420 [ 110.106425] ? __pfx___mutex_lock+0x10/0x10 [ 110.106864] ? __pfx_autoremove_wake_function+0x10/0x10 [ 110.107402] ? srso_return_thunk+0x5/0x5f [ 110.107848] ? kasan_quarantine_put+0x84/0x1e0 [ 110.108333] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 110.108792] ? srso_return_thunk+0x5/0x5f [ 110.109235] unregister_netdevice_many_notify+0x1612/0x1c80 [ 110.109800] ? __virt_addr_valid+0x2e8/0x5d0 [ 110.110259] ? __pfx_lock_release+0x10/0x10 [ 110.110701] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 110.111290] ? find_held_lock+0x2c/0x110 [ 110.111731] ? srso_return_thunk+0x5/0x5f [ 110.112172] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 110.112691] ? srso_return_thunk+0x5/0x5f [ 110.113139] ? lock_release+0x20f/0x6f0 [ 110.113567] ? __pfx_lock_release+0x10/0x10 [ 110.114020] ? srso_return_thunk+0x5/0x5f [ 110.114470] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 110.115016] ? srso_return_thunk+0x5/0x5f [ 110.115474] unregister_netdevice_queue+0x224/0x2e0 [ 110.115995] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 110.116542] ? up_write+0x195/0x520 [ 110.116941] _cfg80211_unregister_wdev+0x57b/0x700 [ 110.117448] ? srso_return_thunk+0x5/0x5f [ 110.117886] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 110.118389] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 110.118940] ? srso_return_thunk+0x5/0x5f [ 110.119386] ? srso_return_thunk+0x5/0x5f [ 110.119835] ? synchronize_rcu+0x1ff/0x260 [ 110.120273] ieee80211_unregister_hw+0x55/0x3a0 [ 110.120743] hwsim_exit_net+0x3a0/0x730 [ 110.121156] ? __pfx_hwsim_exit_net+0x10/0x10 [ 110.121611] ? srso_return_thunk+0x5/0x5f [ 110.122050] ? netdev_run_todo+0x788/0x1040 [ 110.122492] ? __pfx_hwsim_exit_net+0x10/0x10 [ 110.122952] ops_exit_list+0xb3/0x180 [ 110.123347] cleanup_net+0x546/0xad0 [ 110.123747] ? __pfx_cleanup_net+0x10/0x10 [ 110.124192] process_one_work+0x8ee/0x1a10 [ 110.124646] ? __pfx_lock_acquire+0x10/0x10 [ 110.125082] ? __pfx_process_one_work+0x10/0x10 [ 110.125573] ? srso_return_thunk+0x5/0x5f [ 110.126007] ? move_linked_works+0x172/0x270 [ 110.126463] ? srso_return_thunk+0x5/0x5f [ 110.126907] ? assign_work+0x196/0x240 [ 110.127330] worker_thread+0x674/0xe70 [ 110.127755] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 110.128288] ? __pfx_worker_thread+0x10/0x10 [ 110.128756] kthread+0x3ab/0x720 [ 110.129123] ? __pfx_kthread+0x10/0x10 [ 110.129530] ? srso_return_thunk+0x5/0x5f [ 110.129961] ? finish_task_switch.isra.0+0x206/0x840 [ 110.130472] ? __pfx_kthread+0x10/0x10 [ 110.130888] ret_from_fork+0x48/0x80 [ 110.131262] ? __pfx_kthread+0x10/0x10 [ 110.131671] ret_from_fork_asm+0x1a/0x30 [ 110.132123] executing program [ 114.567434] audit: type=1400 audit(1737130068.040:8): 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 [ 115.510168] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 116.494912] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program 2025/01/17 16:07:51 syscalls: 2217 2025/01/17 16:07:51 code coverage: enabled 2025/01/17 16:07:51 comparison tracing: enabled 2025/01/17 16:07:51 extra coverage: enabled 2025/01/17 16:07:51 setuid sandbox: enabled 2025/01/17 16:07:51 namespace sandbox: enabled 2025/01/17 16:07:51 Android sandbox: enabled 2025/01/17 16:07:51 fault injection: enabled 2025/01/17 16:07:51 leak checking: enabled 2025/01/17 16:07:51 net packet injection: enabled 2025/01/17 16:07:51 net device setup: enabled 2025/01/17 16:07:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/17 16:07:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/17 16:07:51 USB emulation: enabled 2025/01/17 16:07:51 hci packet injection: enabled 2025/01/17 16:07:51 wifi device emulation: enabled 2025/01/17 16:07:51 802.15.4 emulation: enabled 2025/01/17 16:07:51 fetching corpus: 0, signal 0/0 (executing program) 2025/01/17 16:07:51 fetching corpus: 0, signal 0/0 (executing program) VM DIAGNOSIS: 16:07:43 Registers: info registers vcpu 0 RAX=0000000000000037 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff8283cdc5 RDI=ffffffff886930a0 RBP=ffffffff88693060 RSP=ffff8880095debb8 R8 =0000000000000001 R9 =ffffed10012bbd67 R10=0000000000000037 R11=3a6b636f6c206762 R12=0000000000000037 R13=0000000000000001 R14=ffff888008fea01b R15=ffff8880095deeb8 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=00007f7458ca1000 CR3=0000000016500000 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=0000000000000007 RCX=ffffffff84a63fa9 RDX=ffff888016333780 RSI=0000000000000047 RDI=0000000000000001 RBP=ffffffff852d7d20 RSP=ffff888015b2f7f0 R8 =ffffffffffff0a00 R9 =ffffed100339c1fc R10=0000000000000078 R11=0000000000000000 R12=0000000000000078 R13=0000000000000001 R14=000000000000001f R15=ffffffff8133e960 RIP=ffffffff81719cf7 RFL=00000206 [-----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 000000c000031590 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=000000c0007b6000 CR3=0000000016500000 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=00000000000000003f847ae147ae147b XMM02=00000000000000000000000000000000 XMM03=00000000000000003fde666666666666 XMM04=00000000000000003fd16d9acd18cdcf XMM05=000000c0001480f0000000c0001480c0 XMM06=00000000000000003fd3333333333333 XMM07=00000000000000003fd0000000000000 XMM08=00000000000000003fde8934447752a0 XMM09=00000000000000003f6166ef08761d00 XMM10=00000000000000003fd18a9bb0d192aa XMM11=000000c0001485a0000000c000148570 XMM12=000000c000148600000000c0001485d0 XMM13=000000c000148660000000c000148630 XMM14=000000c0001486c0000000c000148690 XMM15=000000c0000e9080000000c0001486f0