Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes [ 76.914914][ T5097] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k executing program [ 77.287144][ T51] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 77.486711][ T51] usb 1-1: Using ep0 maxpacket: 16 [ 77.497004][ T51] usb 1-1: New USB device found, idVendor=0b05, idProduct=1736, bcdDevice= d.b1 [ 77.506229][ T51] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 77.514265][ T51] usb 1-1: Product: syz [ 77.518461][ T51] usb 1-1: Manufacturer: syz [ 77.523051][ T51] usb 1-1: SerialNumber: syz [ 77.531794][ T51] usb 1-1: config 0 descriptor?? [ 77.740278][ T51] dvb-usb: found a 'Asus My Cinema-U3000Hybrid' in cold state, will try to load a firmware [ 77.824778][ T51] dvb-usb: downloading firmware from file 'dvb-usb-dib0700-1.20.fw' [ 77.832927][ T51] dib0700: firmware download failed at 7 with -22 [ 78.092655][ T5106] FAULT_INJECTION: forcing a failure. [ 78.092655][ T5106] name failslab, interval 1, probability 0, space 0, times 1 [ 78.105377][ T5106] CPU: 0 PID: 5106 Comm: syz-executor800 Not tainted 6.10.0-syzkaller-08280-g68b59730459e #0 [ 78.115528][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 78.125677][ T5106] Call Trace: [ 78.128955][ T5106] [ 78.131883][ T5106] dump_stack_lvl+0x241/0x360 [ 78.136601][ T5106] ? __pfx_dump_stack_lvl+0x10/0x10 [ 78.141826][ T5106] ? __pfx__printk+0x10/0x10 [ 78.146421][ T5106] ? snprintf+0xda/0x120 [ 78.150678][ T5106] ? snprintf+0xda/0x120 [ 78.154929][ T5106] should_fail_ex+0x3b0/0x4e0 [ 78.159627][ T5106] ? tomoyo_init_log+0x1b3e/0x2050 [ 78.164757][ T5106] should_failslab+0x9/0x20 [ 78.169264][ T5106] __kmalloc_noprof+0xd8/0x400 [ 78.174040][ T5106] tomoyo_init_log+0x1b3e/0x2050 [ 78.179007][ T5106] ? __pfx_tomoyo_init_log+0x10/0x10 [ 78.184314][ T5106] ? tomoyo_profile+0x11/0x50 [ 78.188987][ T5106] ? tomoyo_profile+0x11/0x50 [ 78.193688][ T5106] tomoyo_supervisor+0x38a/0x11f0 [ 78.198723][ T5106] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.204712][ T5106] ? tomoyo_path_permission+0x1cc/0x360 [ 78.210267][ T5106] ? __pfx_tomoyo_supervisor+0x10/0x10 [ 78.215732][ T5106] ? kasan_quarantine_put+0xdc/0x230 [ 78.221042][ T5106] ? tomoyo_check_path_acl+0x136/0x1c0 [ 78.226511][ T5106] ? tomoyo_check_acl+0x37e/0x3f0 [ 78.231541][ T5106] ? __pfx_tomoyo_check_path_acl+0x10/0x10 [ 78.237374][ T5106] tomoyo_path_permission+0x243/0x360 [ 78.242769][ T5106] tomoyo_check_open_permission+0x2fb/0x500 [ 78.248683][ T5106] ? __lock_acquire+0x1346/0x1fd0 [ 78.253729][ T5106] ? tomoyo_check_open_permission+0x204/0x500 [ 78.257813][ T51] usb 1-1: USB disconnect, device number 2 [ 78.259796][ T5106] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 78.272111][ T5106] ? tomoyo_file_open+0x168/0x220 [ 78.277178][ T5106] security_file_open+0x6a/0x750 [ 78.282161][ T5106] do_dentry_open+0x38e/0x1440 [ 78.286968][ T5106] ? vfs_open+0x34/0x330 [ 78.291262][ T5106] vfs_open+0x3e/0x330 [ 78.295460][ T5106] path_openat+0x2b3e/0x3470 [ 78.300100][ T5106] ? __pfx_stack_trace_save+0x10/0x10 [ 78.305529][ T5106] ? __lock_acquire+0x1346/0x1fd0 [ 78.310586][ T5106] ? __pfx_path_openat+0x10/0x10 [ 78.315563][ T5106] do_filp_open+0x235/0x490 [ 78.320076][ T5106] ? __pfx_do_filp_open+0x10/0x10 [ 78.325125][ T5106] ? _raw_spin_unlock+0x28/0x50 [ 78.329973][ T5106] ? alloc_fd+0x5a1/0x640 [ 78.334309][ T5106] do_sys_openat2+0x13e/0x1d0 [ 78.338987][ T5106] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 78.344972][ T5106] ? __pfx_do_sys_openat2+0x10/0x10 [ 78.350171][ T5106] ? __fget_files+0x3f6/0x470 [ 78.354855][ T5106] __x64_sys_openat+0x247/0x2a0 [ 78.359709][ T5106] ? __pfx___x64_sys_openat+0x10/0x10 [ 78.365085][ T5106] ? do_syscall_64+0x100/0x230 [ 78.369862][ T5106] ? do_syscall_64+0xb6/0x230 [ 78.374545][ T5106] do_syscall_64+0xf3/0x230 [ 78.379164][ T5106] ? clear_bhb_loop+0x35/0x90 [ 78.383850][ T5106] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.389761][ T5106] RIP: 0033:0x7fa6014370c9 [ 78.394177][ T5106] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 78.413778][ T5106] RSP: 002b:00007fa6013c4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 78.422189][ T5106] RAX: ffffffffffffffda RBX: 00007fa6014b83d8 RCX: 00007fa6014370c9 [ 78.430158][ T5106] RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 78.438250][ T5106] RBP: 00007fa6014b83d0 R08: 00007fa6013c3fa7 R09: 0000000000000038 [ 78.446224][ T5106] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6013c4210 [ 78.454198][ T5106] R13: 0000000000000001 R14: 00746f687370616e R15: 616e732f7665642f [ 78.462187][ T5106] executing program [ 78.786746][ T51] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 78.966739][ T51] usb 1-1: Using ep0 maxpacket: 16 [ 78.976868][ T51] usb 1-1: New USB device found, idVendor=0b05, idProduct=1736, bcdDevice= d.b1 [ 78.985935][ T51] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 78.993990][ T51] usb 1-1: Product: syz [ 78.998238][ T51] usb 1-1: Manufacturer: syz [ 79.002831][ T51] usb 1-1: SerialNumber: syz [ 79.010682][ T51] usb 1-1: config 0 descriptor?? [ 79.218085][ T51] dvb-usb: found a 'Asus My Cinema-U3000Hybrid' in cold state, will try to load a firmware [ 79.229163][ T51] dvb-usb: downloading firmware from file 'dvb-usb-dib0700-1.20.fw' [ 79.237305][ T51] dib0700: firmware download failed at 7 with -22 [ 79.569365][ T5110] FAULT_INJECTION: forcing a failure. [ 79.569365][ T5110] name failslab, interval 1, probability 0, space 0, times 0 [ 79.582091][ T5110] CPU: 1 PID: 5110 Comm: syz-executor800 Not tainted 6.10.0-syzkaller-08280-g68b59730459e #0 [ 79.592272][ T5110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 79.602333][ T5110] Call Trace: [ 79.605620][ T5110] [ 79.608545][ T5110] dump_stack_lvl+0x241/0x360 [ 79.613230][ T5110] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.618432][ T5110] ? __pfx__printk+0x10/0x10 [ 79.623046][ T5110] should_fail_ex+0x3b0/0x4e0 [ 79.627744][ T5110] ? tomoyo_init_log+0x1ca/0x2050 [ 79.632800][ T5110] should_failslab+0x9/0x20 [ 79.637308][ T5110] kmalloc_trace_noprof+0x6c/0x2c0 [ 79.642429][ T5110] tomoyo_init_log+0x1ca/0x2050 [ 79.647287][ T5110] ? kasan_save_track+0x51/0x80 [ 79.652159][ T5110] ? string+0x26a/0x2b0 [ 79.656312][ T5110] ? widen_string+0x3a/0x310 [ 79.660917][ T5110] ? string+0x26a/0x2b0 [ 79.665079][ T5110] ? vsnprintf+0x1cfc/0x1da0 [ 79.669713][ T5110] ? do_sys_openat2+0x13e/0x1d0 [ 79.674577][ T5110] ? __pfx_tomoyo_init_log+0x10/0x10 [ 79.679861][ T5110] ? tomoyo_profile+0x11/0x50 [ 79.684537][ T5110] ? tomoyo_profile+0x11/0x50 [ 79.689230][ T5110] tomoyo_supervisor+0x38a/0x11f0 [ 79.694267][ T5110] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 79.700282][ T5110] ? tomoyo_path_permission+0x1cc/0x360 [ 79.705830][ T5110] ? __pfx_tomoyo_supervisor+0x10/0x10 [ 79.711291][ T5110] ? kasan_quarantine_put+0xdc/0x230 [ 79.716595][ T5110] ? tomoyo_check_path_acl+0x136/0x1c0 [ 79.722071][ T5110] ? tomoyo_check_acl+0x37e/0x3f0 [ 79.727109][ T5110] ? __pfx_tomoyo_check_path_acl+0x10/0x10 [ 79.732935][ T5110] tomoyo_path_permission+0x243/0x360 [ 79.733356][ T930] usb 1-1: USB disconnect, device number 3 [ 79.738317][ T5110] tomoyo_check_open_permission+0x2fb/0x500 [ 79.738351][ T5110] ? __lock_acquire+0x1346/0x1fd0 [ 79.738380][ T5110] ? tomoyo_check_open_permission+0x204/0x500 [ 79.738412][ T5110] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 79.767660][ T5110] ? tomoyo_file_open+0x168/0x220 [ 79.772716][ T5110] security_file_open+0x6a/0x750 [ 79.777685][ T5110] do_dentry_open+0x38e/0x1440 [ 79.782452][ T5110] ? vfs_open+0x34/0x330 [ 79.786707][ T5110] vfs_open+0x3e/0x330 [ 79.790800][ T5110] path_openat+0x2b3e/0x3470 [ 79.795405][ T5110] ? __pfx_stack_trace_save+0x10/0x10 [ 79.800785][ T5110] ? __lock_acquire+0x1346/0x1fd0 [ 79.805818][ T5110] ? __pfx_path_openat+0x10/0x10 [ 79.810787][ T5110] do_filp_open+0x235/0x490 [ 79.815292][ T5110] ? __pfx_do_filp_open+0x10/0x10 [ 79.820341][ T5110] ? _raw_spin_unlock+0x28/0x50 [ 79.825184][ T5110] ? alloc_fd+0x5a1/0x640 [ 79.829513][ T5110] do_sys_openat2+0x13e/0x1d0 [ 79.834208][ T5110] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 79.840193][ T5110] ? __pfx_do_sys_openat2+0x10/0x10 [ 79.845390][ T5110] ? __fget_files+0x3f6/0x470 [ 79.850077][ T5110] __x64_sys_openat+0x247/0x2a0 [ 79.854931][ T5110] ? __pfx___x64_sys_openat+0x10/0x10 [ 79.860306][ T5110] ? do_syscall_64+0x100/0x230 [ 79.865075][ T5110] ? do_syscall_64+0xb6/0x230 [ 79.869768][ T5110] do_syscall_64+0xf3/0x230 [ 79.874282][ T5110] ? clear_bhb_loop+0x35/0x90 [ 79.878960][ T5110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.884871][ T5110] RIP: 0033:0x7fa6014370c9 [ 79.889296][ T5110] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 79.908905][ T5110] RSP: 002b:00007fa6013c4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 79.917351][ T5110] RAX: ffffffffffffffda RBX: 00007fa6014b83d8 RCX: 00007fa6014370c9 [ 79.925328][ T5110] RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 79.933302][ T5110] RBP: 00007fa6014b83d0 R08: 00007fa6013c3fa7 R09: 0000000000000038 [ 79.941311][ T5110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6013c4210 [ 79.949283][ T5110] R13: 0000000000000001 R14: 00746f687370616e R15: 616e732f7665642f [ 79.957271][ T5110] executing program [ 80.276699][ T930] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 80.456728][ T930] usb 1-1: Using ep0 maxpacket: 16 [ 80.465669][ T930] usb 1-1: New USB device found, idVendor=0b05, idProduct=1736, bcdDevice= d.b1 [ 80.474874][ T930] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 80.482920][ T930] usb 1-1: Product: syz [ 80.487201][ T930] usb 1-1: Manufacturer: syz [ 80.491806][ T930] usb 1-1: SerialNumber: syz [ 80.498498][ T930] usb 1-1: config 0 descriptor?? [ 80.705487][ T930] dvb-usb: found a 'Asus My Cinema-U3000Hybrid' in cold state, will try to load a firmware [ 80.717341][ T930] dvb-usb: downloading firmware from file 'dvb-usb-dib0700-1.20.fw' [ 80.725355][ T930] dib0700: firmware download failed at 7 with -22 [ 81.059981][ T5113] FAULT_INJECTION: forcing a failure. [ 81.059981][ T5113] name failslab, interval 1, probability 0, space 0, times 0 [ 81.072819][ T5113] CPU: 0 PID: 5113 Comm: syz-executor800 Not tainted 6.10.0-syzkaller-08280-g68b59730459e #0 [ 81.082977][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 81.093114][ T5113] Call Trace: [ 81.096389][ T5113] [ 81.099318][ T5113] dump_stack_lvl+0x241/0x360 [ 81.104008][ T5113] ? __pfx_dump_stack_lvl+0x10/0x10 [ 81.109214][ T5113] ? __pfx__printk+0x10/0x10 [ 81.113815][ T5113] ? __pfx_lock_acquire+0x10/0x10 [ 81.118869][ T5113] should_fail_ex+0x3b0/0x4e0 [ 81.123571][ T5113] ? async_schedule_node_domain+0x5c/0x110 [ 81.129384][ T5113] should_failslab+0x9/0x20 [ 81.133893][ T5113] kmalloc_trace_noprof+0x6c/0x2c0 [ 81.139021][ T5113] ? __pfx___async_dev_cache_fw_image+0x10/0x10 [ 81.145265][ T5113] async_schedule_node_domain+0x5c/0x110 [ 81.150918][ T5113] dev_cache_fw_image+0x36d/0x3e0 [ 81.155963][ T5113] ? __pfx_dev_cache_fw_image+0x10/0x10 [ 81.161511][ T5113] ? trace_contention_end+0x3c/0x120 [ 81.166813][ T5113] ? __pfx_dev_cache_fw_image+0x10/0x10 [ 81.172366][ T5113] dpm_for_each_dev+0x58/0xc0 [ 81.177067][ T5113] fw_pm_notify+0x24a/0x2f0 [ 81.181619][ T5113] ? __pfx_fw_pm_notify+0x10/0x10 [ 81.186675][ T5113] ? __pfx_autoremove_wake_function+0x10/0x10 [ 81.192763][ T5113] ? trace_contention_end+0x3c/0x120 [ 81.198065][ T5113] ? __mutex_lock+0x2ef/0xd70 [ 81.202774][ T5113] notifier_call_chain+0x19f/0x3e0 [ 81.207902][ T5113] blocking_notifier_call_chain_robust+0xe8/0x1e0 [ 81.214350][ T5113] ? __pfx_blocking_notifier_call_chain_robust+0x10/0x10 [ 81.219692][ T51] usb 1-1: USB disconnect, device number 4 [ 81.221371][ T5113] ? __pfx___mutex_lock+0x10/0x10 [ 81.232221][ T5113] pm_notifier_call_chain_robust+0x2c/0x60 [ 81.238053][ T5113] snapshot_open+0x1a1/0x280 [ 81.242853][ T5113] ? __pfx_snapshot_open+0x10/0x10 [ 81.248005][ T5113] misc_open+0x313/0x390 [ 81.252286][ T5113] chrdev_open+0x5b0/0x630 [ 81.256710][ T5113] ? __pfx_chrdev_open+0x10/0x10 [ 81.261656][ T5113] ? security_file_open+0x51a/0x750 [ 81.266863][ T5113] ? __pfx_chrdev_open+0x10/0x10 [ 81.271913][ T5113] do_dentry_open+0x970/0x1440 [ 81.276716][ T5113] vfs_open+0x3e/0x330 [ 81.280802][ T5113] path_openat+0x2b3e/0x3470 [ 81.285405][ T5113] ? __pfx_stack_trace_save+0x10/0x10 [ 81.290777][ T5113] ? __lock_acquire+0x1346/0x1fd0 [ 81.295813][ T5113] ? __pfx_path_openat+0x10/0x10 [ 81.300785][ T5113] do_filp_open+0x235/0x490 [ 81.305295][ T5113] ? __pfx_do_filp_open+0x10/0x10 [ 81.310357][ T5113] ? _raw_spin_unlock+0x28/0x50 [ 81.315204][ T5113] ? alloc_fd+0x5a1/0x640 [ 81.319538][ T5113] do_sys_openat2+0x13e/0x1d0 [ 81.324233][ T5113] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 81.330219][ T5113] ? __pfx_do_sys_openat2+0x10/0x10 [ 81.335418][ T5113] ? __fget_files+0x3f6/0x470 [ 81.340105][ T5113] __x64_sys_openat+0x247/0x2a0 [ 81.344961][ T5113] ? __pfx___x64_sys_openat+0x10/0x10 [ 81.350350][ T5113] ? do_syscall_64+0x100/0x230 [ 81.355123][ T5113] ? do_syscall_64+0xb6/0x230 [ 81.359808][ T5113] do_syscall_64+0xf3/0x230 [ 81.364317][ T5113] ? clear_bhb_loop+0x35/0x90 [ 81.369004][ T5113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.374924][ T5113] RIP: 0033:0x7fa6014370c9 [ 81.379338][ T5113] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 81.399205][ T5113] RSP: 002b:00007fa6013c4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 81.407621][ T5113] RAX: ffffffffffffffda RBX: 00007fa6014b83d8 RCX: 00007fa6014370c9 [ 81.415611][ T5113] RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 81.423577][ T5113] RBP: 00007fa6014b83d0 R08: 00007fa6013c3fa7 R09: 0000000000000038 [ 81.431548][ T5113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6013c4210 [ 81.439516][ T5113] R13: 0000000000000001 R14: 00746f687370616e R15: 616e732f7665642f [ 81.447520][ T5113] [ 81.454185][ T5113] (NULL device *): loading /lib/firmware/dvb-usb-dib0700-1.20.fw failed with error -12 [ 81.463956][ T5113] (NULL device *): Direct firmware load for dvb-usb-dib0700-1.20.fw failed with error -12 [ 81.473959][ T5113] (NULL device *): Falling back to sysfs fallback for: dvb-usb-dib0700-1.20.fw [ 81.483009][ T5113] [ 81.485325][ T5113] ====================================================== [ 81.492326][ T5113] WARNING: possible circular locking dependency detected [ 81.499330][ T5113] 6.10.0-syzkaller-08280-g68b59730459e #0 Not tainted [ 81.506095][ T5113] ------------------------------------------------------ [ 81.513126][ T5113] syz-executor800/5113 is trying to acquire lock: [ 81.519543][ T5113] ffffffff8e1df830 (umhelper_sem){++++}-{3:3}, at: usermodehelper_read_trylock+0x140/0x300 [ 81.529545][ T5113] [ 81.529545][ T5113] but task is already holding lock: [ 81.536897][ T5113] ffffffff8ec7df88 (dpm_list_mtx){+.+.}-{3:3}, at: dpm_for_each_dev+0x2b/0xc0 [ 81.545792][ T5113] [ 81.545792][ T5113] which lock already depends on the new lock. [ 81.545792][ T5113] [ 81.556263][ T5113] [ 81.556263][ T5113] the existing dependency chain (in reverse order) is: [ 81.565262][ T5113] [ 81.565262][ T5113] -> #1 (dpm_list_mtx){+.+.}-{3:3}: [ 81.572639][ T5113] lock_acquire+0x1ed/0x550 [ 81.577653][ T5113] __mutex_lock+0x136/0xd70 [ 81.582671][ T5113] device_pm_add+0x78/0x320 [ 81.587700][ T5113] device_add+0x5e8/0xbf0 [ 81.592545][ T5113] firmware_fallback_sysfs+0x307/0x9e0 [ 81.598519][ T5113] _request_firmware+0xcf5/0x12b0 [ 81.604052][ T5113] request_firmware_work_func+0x12a/0x280 [ 81.610284][ T5113] process_scheduled_works+0xa2c/0x1830 [ 81.616355][ T5113] worker_thread+0x86d/0xd40 [ 81.621466][ T5113] kthread+0x2f0/0x390 [ 81.626050][ T5113] ret_from_fork+0x4b/0x80 [ 81.630985][ T5113] ret_from_fork_asm+0x1a/0x30 [ 81.636267][ T5113] [ 81.636267][ T5113] -> #0 (umhelper_sem){++++}-{3:3}: [ 81.643643][ T5113] validate_chain+0x18e0/0x5900 [ 81.649017][ T5113] __lock_acquire+0x1346/0x1fd0 [ 81.654378][ T5113] lock_acquire+0x1ed/0x550 [ 81.659393][ T5113] down_read+0xb1/0xa40 [ 81.664071][ T5113] usermodehelper_read_trylock+0x140/0x300 [ 81.670392][ T5113] firmware_fallback_sysfs+0x184/0x9e0 [ 81.676364][ T5113] _request_firmware+0xcf5/0x12b0 [ 81.681895][ T5113] __async_dev_cache_fw_image+0xe7/0x320 [ 81.688037][ T5113] async_schedule_node_domain+0xdc/0x110 [ 81.694180][ T5113] dev_cache_fw_image+0x36d/0x3e0 [ 81.699722][ T5113] dpm_for_each_dev+0x58/0xc0 [ 81.704907][ T5113] fw_pm_notify+0x24a/0x2f0 [ 81.710009][ T5113] notifier_call_chain+0x19f/0x3e0 [ 81.715635][ T5113] blocking_notifier_call_chain_robust+0xe8/0x1e0 [ 81.722586][ T5113] pm_notifier_call_chain_robust+0x2c/0x60 [ 81.728906][ T5113] snapshot_open+0x1a1/0x280 [ 81.734007][ T5113] misc_open+0x313/0x390 [ 81.738788][ T5113] chrdev_open+0x5b0/0x630 [ 81.743716][ T5113] do_dentry_open+0x970/0x1440 [ 81.748997][ T5113] vfs_open+0x3e/0x330 [ 81.753576][ T5113] path_openat+0x2b3e/0x3470 [ 81.758684][ T5113] do_filp_open+0x235/0x490 [ 81.763726][ T5113] do_sys_openat2+0x13e/0x1d0 [ 81.768917][ T5113] __x64_sys_openat+0x247/0x2a0 [ 81.774308][ T5113] do_syscall_64+0xf3/0x230 [ 81.779342][ T5113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 81.785763][ T5113] [ 81.785763][ T5113] other info that might help us debug this: [ 81.785763][ T5113] [ 81.796012][ T5113] Possible unsafe locking scenario: [ 81.796012][ T5113] [ 81.803468][ T5113] CPU0 CPU1 [ 81.808822][ T5113] ---- ---- [ 81.814173][ T5113] lock(dpm_list_mtx); [ 81.818324][ T5113] lock(umhelper_sem); [ 81.825082][ T5113] lock(dpm_list_mtx); [ 81.831752][ T5113] rlock(umhelper_sem); [ 81.835988][ T5113] [ 81.835988][ T5113] *** DEADLOCK *** [ 81.835988][ T5113] [ 81.844124][ T5113] 5 locks held by syz-executor800/5113: [ 81.849710][ T5113] #0: ffffffff8eb397e8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x5c/0x390 [ 81.858209][ T5113] #1: ffffffff8e1e9468 (system_transition_mutex){+.+.}-{3:3}, at: lock_system_sleep+0x60/0xa0 [ 81.868604][ T5113] #2: ffffffff8e209910 ((pm_chain_head).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain_robust+0xac/0x1e0 [ 81.880440][ T5113] #3: ffffffff8ec82ee8 (fw_lock){+.+.}-{3:3}, at: fw_pm_notify+0x232/0x2f0 [ 81.889155][ T5113] #4: ffffffff8ec7df88 (dpm_list_mtx){+.+.}-{3:3}, at: dpm_for_each_dev+0x2b/0xc0 [ 81.898508][ T5113] [ 81.898508][ T5113] stack backtrace: [ 81.904411][ T5113] CPU: 0 PID: 5113 Comm: syz-executor800 Not tainted 6.10.0-syzkaller-08280-g68b59730459e #0 [ 81.914578][ T5113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 81.924649][ T5113] Call Trace: [ 81.927944][ T5113] [ 81.930890][ T5113] dump_stack_lvl+0x241/0x360 [ 81.935598][ T5113] ? __pfx_dump_stack_lvl+0x10/0x10 [ 81.940833][ T5113] ? print_circular_bug+0x130/0x1a0 [ 81.946069][ T5113] check_noncircular+0x36a/0x4a0 [ 81.951034][ T5113] ? __pfx_prb_read_valid+0x10/0x10 [ 81.956274][ T5113] ? __pfx_check_noncircular+0x10/0x10 [ 81.961762][ T5113] ? lockdep_lock+0x123/0x2b0 [ 81.966485][ T5113] validate_chain+0x18e0/0x5900 [ 81.971372][ T5113] ? __pfx_prb_first_seq+0x10/0x10 [ 81.976525][ T5113] ? _prb_read_valid+0xa39/0xac0 [ 81.981497][ T5113] ? __pfx_validate_chain+0x10/0x10 [ 81.986732][ T5113] ? __pfx__prb_read_valid+0x10/0x10 [ 81.992056][ T5113] ? mark_lock+0x9a/0x350 [ 81.996437][ T5113] ? mark_lock+0x9a/0x350 [ 82.000802][ T5113] ? __pfx_prb_read_valid+0x10/0x10 [ 82.006029][ T5113] __lock_acquire+0x1346/0x1fd0 [ 82.010915][ T5113] lock_acquire+0x1ed/0x550 [ 82.015445][ T5113] ? usermodehelper_read_trylock+0x140/0x300 [ 82.021469][ T5113] ? __pfx_lock_acquire+0x10/0x10 [ 82.026510][ T5113] ? __pfx___might_resched+0x10/0x10 [ 82.031810][ T5113] ? vprintk_emit+0x631/0x770 [ 82.036513][ T5113] ? __pfx_vprintk_emit+0x10/0x10 [ 82.041573][ T5113] down_read+0xb1/0xa40 [ 82.045753][ T5113] ? usermodehelper_read_trylock+0x140/0x300 [ 82.051742][ T5113] ? _printk+0xd5/0x120 [ 82.055893][ T5113] ? poison_slab_object+0xe0/0x150 [ 82.061005][ T5113] ? kmem_cache_free+0x145/0x350 [ 82.065952][ T5113] ? __pfx_down_read+0x10/0x10 [ 82.070798][ T5113] ? __pfx__printk+0x10/0x10 [ 82.075471][ T5113] ? _printk+0xd5/0x120 [ 82.079630][ T5113] usermodehelper_read_trylock+0x140/0x300 [ 82.085436][ T5113] ? ima_load_data+0x26/0x110 [ 82.090118][ T5113] ? __pfx_usermodehelper_read_trylock+0x10/0x10 [ 82.096441][ T5113] ? __pfx_autoremove_wake_function+0x10/0x10 [ 82.102500][ T5113] ? _dev_warn+0x122/0x170 [ 82.106912][ T5113] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.113234][ T5113] ? ima_load_data+0x7b/0x110 [ 82.117915][ T5113] firmware_fallback_sysfs+0x184/0x9e0 [ 82.123372][ T5113] ? _request_firmware+0xc68/0x12b0 [ 82.128561][ T5113] ? kmem_cache_free+0x145/0x350 [ 82.133501][ T5113] _request_firmware+0xcf5/0x12b0 [ 82.138527][ T5113] ? __pfx__request_firmware+0x10/0x10 [ 82.143977][ T5113] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 82.149953][ T5113] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.156275][ T5113] __async_dev_cache_fw_image+0xe7/0x320 [ 82.161901][ T5113] ? __pfx___async_dev_cache_fw_image+0x10/0x10 [ 82.168132][ T5113] ? async_schedule_node_domain+0xa3/0x110 [ 82.173927][ T5113] ? rcu_is_watching+0x15/0xb0 [ 82.178679][ T5113] ? async_schedule_node_domain+0xa3/0x110 [ 82.184475][ T5113] ? kfree+0x4e/0x360 [ 82.188452][ T5113] ? __pfx___async_dev_cache_fw_image+0x10/0x10 [ 82.194683][ T5113] async_schedule_node_domain+0xdc/0x110 [ 82.200328][ T5113] dev_cache_fw_image+0x36d/0x3e0 [ 82.205346][ T5113] ? __pfx_dev_cache_fw_image+0x10/0x10 [ 82.210883][ T5113] ? trace_contention_end+0x3c/0x120 [ 82.216169][ T5113] ? __pfx_dev_cache_fw_image+0x10/0x10 [ 82.221709][ T5113] dpm_for_each_dev+0x58/0xc0 [ 82.226379][ T5113] fw_pm_notify+0x24a/0x2f0 [ 82.230887][ T5113] ? __pfx_fw_pm_notify+0x10/0x10 [ 82.235905][ T5113] ? __pfx_autoremove_wake_function+0x10/0x10 [ 82.241970][ T5113] ? trace_contention_end+0x3c/0x120 [ 82.247253][ T5113] ? __mutex_lock+0x2ef/0xd70 [ 82.251930][ T5113] notifier_call_chain+0x19f/0x3e0 [ 82.257043][ T5113] blocking_notifier_call_chain_robust+0xe8/0x1e0 [ 82.263456][ T5113] ? __pfx_blocking_notifier_call_chain_robust+0x10/0x10 [ 82.270475][ T5113] ? __pfx___mutex_lock+0x10/0x10 [ 82.275496][ T5113] pm_notifier_call_chain_robust+0x2c/0x60 [ 82.281313][ T5113] snapshot_open+0x1a1/0x280 [ 82.285898][ T5113] ? __pfx_snapshot_open+0x10/0x10 [ 82.291005][ T5113] misc_open+0x313/0x390 [ 82.295250][ T5113] chrdev_open+0x5b0/0x630 [ 82.299660][ T5113] ? __pfx_chrdev_open+0x10/0x10 [ 82.304593][ T5113] ? security_file_open+0x51a/0x750 [ 82.309803][ T5113] ? __pfx_chrdev_open+0x10/0x10 [ 82.314736][ T5113] do_dentry_open+0x970/0x1440 [ 82.319502][ T5113] vfs_open+0x3e/0x330 [ 82.323567][ T5113] path_openat+0x2b3e/0x3470 [ 82.328162][ T5113] ? __pfx_stack_trace_save+0x10/0x10 [ 82.333532][ T5113] ? __lock_acquire+0x1346/0x1fd0 [ 82.338560][ T5113] ? __pfx_path_openat+0x10/0x10 [ 82.343506][ T5113] do_filp_open+0x235/0x490 [ 82.348007][ T5113] ? __pfx_do_filp_open+0x10/0x10 [ 82.353121][ T5113] ? _raw_spin_unlock+0x28/0x50 [ 82.357960][ T5113] ? alloc_fd+0x5a1/0x640 [ 82.362284][ T5113] do_sys_openat2+0x13e/0x1d0 [ 82.366954][ T5113] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 82.372939][ T5113] ? __pfx_do_sys_openat2+0x10/0x10 [ 82.378139][ T5113] ? __fget_files+0x3f6/0x470 [ 82.382812][ T5113] __x64_sys_openat+0x247/0x2a0 [ 82.387658][ T5113] ? __pfx___x64_sys_openat+0x10/0x10 [ 82.393025][ T5113] ? do_syscall_64+0x100/0x230 [ 82.397787][ T5113] ? do_syscall_64+0xb6/0x230 [ 82.402478][ T5113] do_syscall_64+0xf3/0x230 [ 82.406981][ T5113] ? clear_bhb_loop+0x35/0x90 [ 82.411650][ T5113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.417544][ T5113] RIP: 0033:0x7fa6014370c9 [ 82.421969][ T5113] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 82.441567][ T5113] RSP: 002b:00007fa6013c4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 82.449997][ T5113] RAX: ffffffffffffffda RBX: 00007fa6014b83d8 RCX: 00007fa6014370c9 [ 82.457962][ T5113] RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c [ 82.465925][ T5113] RBP: 00007fa6014b83d0 R08: 00007fa6013c3fa7 R09: 0000000000000038 [ 82.473892][ T5113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6013c4210 [ 82.481852][ T5113] R13: 0000000000000001 R14: 00746f687370616e R15: 616e732f7665642f [ 82.489999][ T5113]