Warning: Permanently added '[localhost]:61241' (ECDSA) to the list of known hosts. 2025/01/20 16:41:40 fuzzer started 2025/01/20 16:41:40 dialing manager at localhost:44833 2025/01/20 16:41:40 checking machine... 2025/01/20 16:41:40 checking revisions... syzkaller login: [ 61.704025] kmemleak: Automatic memory scanning thread ended 2025/01/20 16:41:41 testing simple program... [ 61.843202] cgroup: Unknown subsys name 'net' [ 61.981446] cgroup: Unknown subsys name 'cpuset' [ 62.034651] cgroup: Unknown subsys name 'rlimit' executing program executing program [ 67.625256] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) executing program executing program executing program executing program [ 79.943566] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 80.355964] audit: type=1400 audit(1737391319.646:7): avc: denied { execmem } for pid=273 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 81.462245] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 81.466691] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 81.468021] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 81.471946] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 81.474216] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 81.476304] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 83.494394] Bluetooth: hci0: command tx timeout executing program [ 85.542268] Bluetooth: hci0: command tx timeout [ 87.590373] Bluetooth: hci0: command tx timeout executing program [ 89.637764] Bluetooth: hci0: command tx timeout executing program executing program executing program executing program executing program executing program [ 108.778103] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.778334] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.841134] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.841300] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program 2025/01/20 16:42:28 building call list... [ 109.858914] [ 109.859360] ====================================================== [ 109.860452] WARNING: possible circular locking dependency detected [ 109.861535] 6.13.0-rc7-next-20250120 #1 Not tainted [ 109.866236] ------------------------------------------------------ [ 109.867334] kworker/u8:1/65 is trying to acquire lock: [ 109.868268] ffffffff8621eb28 (rtnl_mutex){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.870129] [ 109.870129] but task is already holding lock: [ 109.871170] ffff8880161f8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 109.872901] [ 109.872901] which lock already depends on the new lock. [ 109.872901] [ 109.874270] [ 109.874270] the existing dependency chain (in reverse order) is: [ 109.875577] [ 109.875577] -> #1 (&rdev->wiphy.mtx){+.+.}-{4:4}: [ 109.876775] __mutex_lock+0x13d/0xb50 [ 109.877613] wiphy_register+0x1b2e/0x25d0 [ 109.878530] ieee80211_register_hw+0x23a4/0x3d60 [ 109.879524] mac80211_hwsim_new_radio+0x2759/0x4d60 [ 109.880582] init_mac80211_hwsim+0x389/0x870 [ 109.881554] do_one_initcall+0xf9/0x640 [ 109.882420] kernel_init_freeable+0x53d/0x7a0 [ 109.883374] kernel_init+0x1e/0x2d0 [ 109.884154] ret_from_fork+0x48/0x80 [ 109.884941] ret_from_fork_asm+0x1a/0x30 [ 109.885815] [ 109.885815] -> #0 (rtnl_mutex){+.+.}-{4:4}: [ 109.886923] __lock_acquire+0x29fd/0x4580 [ 109.887817] lock_acquire+0x19b/0x520 [ 109.888648] __mutex_lock+0x13d/0xb50 [ 109.889493] unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.890657] unregister_netdevice_queue+0x224/0x2e0 [ 109.891704] _cfg80211_unregister_wdev+0x57b/0x700 [ 109.892755] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 109.893780] ieee80211_unregister_hw+0x55/0x3a0 [ 109.894754] hwsim_exit_net+0x3a0/0x730 [ 109.895611] ops_exit_list+0xb3/0x180 [ 109.896427] cleanup_net+0x546/0xad0 [ 109.897226] process_one_work+0x8ee/0x1a10 [ 109.898155] worker_thread+0x674/0xe70 [ 109.899024] kthread+0x3ab/0x720 [ 109.899805] ret_from_fork+0x48/0x80 [ 109.900571] ret_from_fork_asm+0x1a/0x30 [ 109.901438] [ 109.901438] other info that might help us debug this: [ 109.901438] [ 109.902773] Possible unsafe locking scenario: [ 109.902773] [ 109.903825] CPU0 CPU1 [ 109.904642] ---- ---- [ 109.905455] lock(&rdev->wiphy.mtx); [ 109.906201] lock(rtnl_mutex); [ 109.907275] lock(&rdev->wiphy.mtx); [ 109.908382] lock(rtnl_mutex); [ 109.909027] [ 109.909027] *** DEADLOCK *** [ 109.909027] [ 109.910043] 4 locks held by kworker/u8:1/65: [ 109.910839] #0: ffff888008fdb948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12b6/0x1a10 [ 109.912700] #1: ffff88800f47fd30 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x861/0x1a10 [ 109.914459] #2: ffffffff86212b50 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xca/0xad0 [ 109.916155] #3: ffff8880161f8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: ieee80211_remove_interfaces+0xf2/0x6b0 [ 109.918009] [ 109.918009] stack backtrace: [ 109.918801] CPU: 1 UID: 0 PID: 65 Comm: kworker/u8:1 Not tainted 6.13.0-rc7-next-20250120 #1 [ 109.920280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 109.921675] Workqueue: netns cleanup_net [ 109.922435] Call Trace: [ 109.922900] [ 109.923323] dump_stack_lvl+0xca/0x120 [ 109.924082] print_circular_bug+0x47b/0x750 [ 109.924879] check_noncircular+0x2e9/0x3c0 [ 109.925686] ? __pfx_check_noncircular+0x10/0x10 [ 109.926541] ? hlock_class+0x4e/0x130 [ 109.927242] ? srso_return_thunk+0x5/0x5f [ 109.928039] ? mark_lock+0xac/0xed0 [ 109.928732] ? lockdep_lock+0xba/0x1b0 [ 109.929497] ? __pfx_lockdep_lock+0x10/0x10 [ 109.930329] __lock_acquire+0x29fd/0x4580 [ 109.931123] ? __pfx___lock_acquire+0x10/0x10 [ 109.931969] ? lock_release+0x20f/0x6f0 [ 109.932711] ? __pfx_lock_release+0x10/0x10 [ 109.933500] ? srso_return_thunk+0x5/0x5f [ 109.934301] lock_acquire+0x19b/0x520 [ 109.935010] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.936102] ? __pfx_lock_acquire+0x10/0x10 [ 109.936905] ? __pfx_lock_release+0x10/0x10 [ 109.937695] ? __pfx_try_to_wake_up+0x10/0x10 [ 109.938528] ? srso_return_thunk+0x5/0x5f [ 109.939336] ? lock_is_held_type+0x9e/0x120 [ 109.940157] ? srso_return_thunk+0x5/0x5f [ 109.940962] __mutex_lock+0x13d/0xb50 [ 109.941688] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.942729] ? unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.943789] ? srso_return_thunk+0x5/0x5f [ 109.944586] ? synchronize_rcu_expedited+0x38a/0x420 [ 109.945513] ? __pfx___mutex_lock+0x10/0x10 [ 109.946326] ? srso_return_thunk+0x5/0x5f [ 109.947113] ? srso_return_thunk+0x5/0x5f [ 109.947915] ? kasan_quarantine_put+0x84/0x1e0 [ 109.948786] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 109.949607] ? srso_return_thunk+0x5/0x5f [ 109.950415] unregister_netdevice_many_notify+0x1612/0x1c80 [ 109.951451] ? __virt_addr_valid+0x2e8/0x5d0 [ 109.952292] ? __pfx_lock_release+0x10/0x10 [ 109.953089] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 109.954161] ? find_held_lock+0x2c/0x110 [ 109.954963] ? srso_return_thunk+0x5/0x5f [ 109.955756] ? kernfs_remove_by_name_ns+0xc7/0x130 [ 109.956689] ? srso_return_thunk+0x5/0x5f [ 109.957483] ? lock_release+0x20f/0x6f0 [ 109.958231] ? __pfx_lock_release+0x10/0x10 [ 109.959014] ? srso_return_thunk+0x5/0x5f [ 109.959836] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 109.960781] ? srso_return_thunk+0x5/0x5f [ 109.961585] unregister_netdevice_queue+0x224/0x2e0 [ 109.962501] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 109.963498] ? up_write+0x195/0x520 [ 109.964204] _cfg80211_unregister_wdev+0x57b/0x700 [ 109.965124] ? srso_return_thunk+0x5/0x5f [ 109.965931] ieee80211_remove_interfaces+0x2f2/0x6b0 [ 109.966856] ? __pfx_ieee80211_remove_interfaces+0x10/0x10 [ 109.967851] ? srso_return_thunk+0x5/0x5f [ 109.968642] ? srso_return_thunk+0x5/0x5f [ 109.969426] ? synchronize_rcu+0x1ff/0x260 [ 109.970199] ieee80211_unregister_hw+0x55/0x3a0 [ 109.971048] hwsim_exit_net+0x3a0/0x730 [ 109.971824] ? __pfx_hwsim_exit_net+0x10/0x10 [ 109.972646] ? srso_return_thunk+0x5/0x5f [ 109.973429] ? netdev_run_todo+0x788/0x1040 [ 109.974244] ? __pfx_hwsim_exit_net+0x10/0x10 [ 109.975067] ops_exit_list+0xb3/0x180 [ 109.975786] cleanup_net+0x546/0xad0 [ 109.976487] ? __pfx_cleanup_net+0x10/0x10 [ 109.977298] process_one_work+0x8ee/0x1a10 [ 109.978120] ? __pfx_lock_acquire+0x10/0x10 [ 109.978927] ? __pfx_process_one_work+0x10/0x10 [ 109.979817] ? srso_return_thunk+0x5/0x5f [ 109.980633] ? move_linked_works+0x172/0x270 [ 109.981456] ? srso_return_thunk+0x5/0x5f [ 109.982247] ? assign_work+0x196/0x240 [ 109.983013] worker_thread+0x674/0xe70 [ 109.983784] ? lockdep_hardirqs_on_prepare+0x262/0x3f0 [ 109.984746] ? srso_return_thunk+0x5/0x5f [ 109.985534] ? __pfx_worker_thread+0x10/0x10 [ 109.986380] kthread+0x3ab/0x720 [ 109.987039] ? __pfx_kthread+0x10/0x10 [ 109.987797] ? srso_return_thunk+0x5/0x5f [ 109.988582] ? finish_task_switch.isra.0+0x206/0x840 [ 109.989515] ? __pfx_kthread+0x10/0x10 [ 109.990258] ret_from_fork+0x48/0x80 [ 109.990931] ? __pfx_kthread+0x10/0x10 [ 109.991692] ret_from_fork_asm+0x1a/0x30 [ 109.992490] executing program [ 114.811797] audit: type=1400 audit(1737391354.102:8): avc: denied { create } for pid=252 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 [ 115.751632] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 116.890143] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list executing program 2025/01/20 16:42:37 syscalls: 2217 2025/01/20 16:42:37 code coverage: enabled 2025/01/20 16:42:37 comparison tracing: enabled 2025/01/20 16:42:37 extra coverage: enabled 2025/01/20 16:42:37 setuid sandbox: enabled 2025/01/20 16:42:37 namespace sandbox: enabled 2025/01/20 16:42:37 Android sandbox: enabled 2025/01/20 16:42:37 fault injection: enabled 2025/01/20 16:42:37 leak checking: enabled 2025/01/20 16:42:37 net packet injection: enabled 2025/01/20 16:42:37 net device setup: enabled 2025/01/20 16:42:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2025/01/20 16:42:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 2025/01/20 16:42:37 USB emulation: enabled 2025/01/20 16:42:37 hci packet injection: enabled 2025/01/20 16:42:37 wifi device emulation: enabled 2025/01/20 16:42:37 802.15.4 emulation: enabled 2025/01/20 16:42:37 fetching corpus: 0, signal 0/0 (executing program) 2025/01/20 16:42:37 fetching corpus: 0, signal 0/0 (executing program) VM DIAGNOSIS: 16:42:29 Registers: info registers vcpu 0 RAX=ffff88801381f868 RBX=ffff88801381f958 RCX=ffffffff84a66f36 RDX=ffff88801381f868 RSI=ffffffff84a584d7 RDI=ffffffff84ca6e89 RBP=ffff88801381f8c8 RSP=ffff88801381f820 R8 =0000000000000001 R9 =ffffed100171240b R10=000000000000000a R11=0000000000000000 R12=dffffc0000000000 R13=ffffffff84ca6e89 R14=1ffff11002703f08 R15=ffffffff84ca6e89 RIP=ffffffff84a584fd 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 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=000000c00083b000 CR3=000000000e484000 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=00000000000000004152d23ac0000000 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=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff8283e250 RDI=ffffffff886990a0 RBP=ffffffff88699060 RSP=ffff88800f47eb60 R8 =0000000000000000 R9 =fffffbfff0be1bdc R10=00000000000fe503 R11=0000000033312e36 R12=0000000000000823 R13=0000000000000020 R14=fffffbfff10d3266 R15=dffffc0000000000 RIP=ffffffff8283e2a5 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=0000559acf9aab30 CR3=000000000e484000 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=00000000000000004112698000000000 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