Warning: Permanently added '10.128.0.246' (ED25519) to the list of known hosts. 2025/12/19 15:47:08 ignoring optional flag "type"="gce" 2025/12/19 15:47:09 parsed 1 programs [ 56.958130][ T3495] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 58.906696][ T3539] veth0_vlan: entered promiscuous mode [ 59.234269][ T833] veth0_vlan: left promiscuous mode 2025/12/19 15:47:12 executed programs: 0 [ 60.260946][ T3731] veth0_vlan: entered promiscuous mode [ 60.750189][ T37] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 60.910182][ T37] usb 1-1: Using ep0 maxpacket: 16 [ 60.918178][ T37] usb 1-1: New USB device found, idVendor=2137, idProduct=0001, bcdDevice=2a.35 [ 60.927417][ T37] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 60.935392][ T37] usb 1-1: Product: syz [ 60.939515][ T37] usb 1-1: Manufacturer: syz [ 60.944094][ T37] usb 1-1: SerialNumber: syz [ 60.949893][ T37] usb 1-1: config 0 descriptor?? [ 60.958113][ T37] as10x_usb: device has been detected [ 60.963804][ T37] dvbdev: DVB: registering new adapter (Sky IT Digital Key (green led)) [ 60.974168][ T37] usb 1-1: DVB: registering adapter 1 frontend 0 (Sky IT Digital Key (green led))... [ 60.986952][ T37] as10x_usb: error during firmware upload part1 [ 60.993404][ T37] Registered device Sky IT Digital Key (green led) [ 61.156720][ T3913] random: crng reseeded on system resumption [ 61.170071][ T3913] FAULT_INJECTION: forcing a failure. [ 61.170071][ T3913] name failslab, interval 1, probability 0, space 0, times 1 [ 61.182762][ T3913] CPU: 0 UID: 0 PID: 3913 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT(none) [ 61.182767][ T3913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 61.182768][ T3913] Call Trace: [ 61.182770][ T3913] [ 61.182772][ T3913] dump_stack_lvl+0xad/0x110 [ 61.182783][ T3913] should_fail_ex+0x1aa/0x1c0 [ 61.182788][ T3913] should_failslab+0x51/0x70 [ 61.182792][ T3913] __kmalloc_cache_noprof+0x74/0x620 [ 61.182795][ T3913] ? async_schedule_node_domain+0x2b/0xb0 [ 61.182799][ T3913] ? __pfx___async_dev_cache_fw_image+0x10/0x10 [ 61.182803][ T3913] async_schedule_node_domain+0x2b/0xb0 [ 61.182806][ T3913] dev_cache_fw_image+0x15f/0x190 [ 61.182810][ T3913] ? __pfx_dev_cache_fw_image+0x10/0x10 [ 61.182813][ T3913] dpm_for_each_dev+0x45/0x70 [ 61.182818][ T3913] fw_pm_notify+0xed/0x160 [ 61.182821][ T3913] ? __pfx_autoremove_wake_function+0x10/0x10 [ 61.182825][ T3913] notifier_call_chain+0x77/0x100 [ 61.182829][ T3913] blocking_notifier_call_chain_robust+0x61/0xc0 [ 61.182834][ T3913] pm_notifier_call_chain_robust+0x1b/0x40 [ 61.182837][ T3913] snapshot_open+0xb8/0x150 [ 61.182841][ T3913] misc_open+0x12a/0x160 [ 61.182846][ T3913] chrdev_open+0xbe/0x240 [ 61.182851][ T3913] ? __pfx_chrdev_open+0x10/0x10 [ 61.182854][ T3913] do_dentry_open+0x171/0x400 [ 61.182858][ T3913] vfs_open+0x27/0xe0 [ 61.182860][ T3913] path_openat+0xd80/0x1010 [ 61.182864][ T3913] ? __lock_acquire+0x508/0x2100 [ 61.182873][ T3913] do_filp_open+0xc6/0x180 [ 61.182884][ T3913] do_sys_openat2+0x7c/0xf0 [ 61.182887][ T3913] __x64_sys_openat+0x7b/0xa0 [ 61.182890][ T3913] do_syscall_64+0xa6/0xf80 [ 61.182895][ T3913] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.182898][ T3913] ? clear_bhb_loop+0x60/0xb0 [ 61.182901][ T3913] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.182904][ T3913] RIP: 0033:0x7fa862b79ef9 [ 61.182908][ T3913] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 61.182909][ T3913] RSP: 002b:00007fa863930038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.182913][ T3913] RAX: ffffffffffffffda RBX: 00007fa862d15f80 RCX: 00007fa862b79ef9 [ 61.182914][ T3913] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: ffffffffffffff9c [ 61.182916][ T3913] RBP: 00007fa863930090 R08: 0000000000000000 R09: 0000000000000000 [ 61.182917][ T3913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.182918][ T3913] R13: 0000000000000000 R14: 00007fa862d15f80 R15: 00007fff3d3c9658 [ 61.182924][ T3913] [ 61.183409][ T3913] [ 61.438325][ T3913] ============================================ [ 61.444446][ T3913] WARNING: possible recursive locking detected [ 61.450572][ T3913] syzkaller #0 Not tainted [ 61.455036][ T3913] -------------------------------------------- [ 61.461234][ T3913] syz.0.15/3913 is trying to acquire lock: [ 61.467000][ T3913] ffffffff84750540 (fw_lock){+.+.}-{4:4}, at: assign_fw+0x27/0x2d0 [ 61.474952][ T3913] [ 61.474952][ T3913] but task is already holding lock: [ 61.482297][ T3913] ffffffff84750540 (fw_lock){+.+.}-{4:4}, at: fw_pm_notify+0xd5/0x160 [ 61.490419][ T3913] [ 61.490419][ T3913] other info that might help us debug this: [ 61.498536][ T3913] Possible unsafe locking scenario: [ 61.498536][ T3913] [ 61.505951][ T3913] CPU0 [ 61.509208][ T3913] ---- [ 61.512454][ T3913] lock(fw_lock); [ 61.516137][ T3913] lock(fw_lock); [ 61.519821][ T3913] [ 61.519821][ T3913] *** DEADLOCK *** [ 61.519821][ T3913] [ 61.527932][ T3913] May be due to missing lock nesting notation [ 61.527932][ T3913] [ 61.536218][ T3913] 5 locks held by syz.0.15/3913: [ 61.541115][ T3913] #0: ffffffff847373d0 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x2d/0x160 [ 61.549521][ T3913] #1: ffffffff8450a388 (system_transition_mutex){+.+.}-{4:4}, at: lock_system_sleep+0x2a/0x40 [ 61.559818][ T3913] #2: ffffffff84511a70 ((pm_chain_head).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain_robust+0x41/0xc0 [ 61.571507][ T3913] #3: ffffffff84750540 (fw_lock){+.+.}-{4:4}, at: fw_pm_notify+0xd5/0x160 [ 61.580074][ T3913] #4: ffffffff8474fad0 (dpm_list_mtx){+.+.}-{4:4}, at: dpm_for_each_dev+0x22/0x70 [ 61.589334][ T3913] [ 61.589334][ T3913] stack backtrace: [ 61.595211][ T3913] CPU: 0 UID: 0 PID: 3913 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT(none) [ 61.595215][ T3913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 61.595217][ T3913] Call Trace: [ 61.595220][ T3913] [ 61.595222][ T3913] dump_stack_lvl+0xad/0x110 [ 61.595228][ T3913] print_deadlock_bug+0x210/0x220 [ 61.595234][ T3913] __lock_acquire+0x10a1/0x2100 [ 61.595238][ T3913] ? debug_check_no_obj_freed+0xfd/0x260 [ 61.595244][ T3913] ? assign_fw+0x27/0x2d0 [ 61.595247][ T3913] lock_acquire+0xe9/0x270 [ 61.595250][ T3913] ? assign_fw+0x27/0x2d0 [ 61.595253][ T3913] ? assign_fw+0x27/0x2d0 [ 61.595255][ T3913] __mutex_lock+0xab/0xce0 [ 61.595261][ T3913] ? assign_fw+0x27/0x2d0 [ 61.595263][ T3913] ? fw_get_filesystem_firmware+0x3c0/0x430 [ 61.595266][ T3913] ? kmem_cache_free+0xf5/0x530 [ 61.595271][ T3913] assign_fw+0x27/0x2d0 [ 61.595274][ T3913] _request_firmware+0x2ee/0x440 [ 61.595278][ T3913] __async_dev_cache_fw_image+0x4b/0x160 [ 61.595282][ T3913] ? __pfx___async_dev_cache_fw_image+0x10/0x10 [ 61.595285][ T3913] async_schedule_node_domain+0x82/0xb0 [ 61.595288][ T3913] dev_cache_fw_image+0x15f/0x190 [ 61.595291][ T3913] ? __pfx_dev_cache_fw_image+0x10/0x10 [ 61.595294][ T3913] dpm_for_each_dev+0x45/0x70 [ 61.595298][ T3913] fw_pm_notify+0xed/0x160 [ 61.595301][ T3913] ? __pfx_autoremove_wake_function+0x10/0x10 [ 61.595305][ T3913] notifier_call_chain+0x77/0x100 [ 61.595309][ T3913] blocking_notifier_call_chain_robust+0x61/0xc0 [ 61.595312][ T3913] pm_notifier_call_chain_robust+0x1b/0x40 [ 61.595316][ T3913] snapshot_open+0xb8/0x150 [ 61.595320][ T3913] misc_open+0x12a/0x160 [ 61.595325][ T3913] chrdev_open+0xbe/0x240 [ 61.595330][ T3913] ? __pfx_chrdev_open+0x10/0x10 [ 61.595333][ T3913] do_dentry_open+0x171/0x400 [ 61.595337][ T3913] vfs_open+0x27/0xe0 [ 61.595339][ T3913] path_openat+0xd80/0x1010 [ 61.595343][ T3913] ? __lock_acquire+0x508/0x2100 [ 61.595348][ T3913] do_filp_open+0xc6/0x180 [ 61.595355][ T3913] do_sys_openat2+0x7c/0xf0 [ 61.595358][ T3913] __x64_sys_openat+0x7b/0xa0 [ 61.595360][ T3913] do_syscall_64+0xa6/0xf80 [ 61.595365][ T3913] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.595368][ T3913] ? clear_bhb_loop+0x60/0xb0 [ 61.595371][ T3913] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.595374][ T3913] RIP: 0033:0x7fa862b79ef9 [ 61.595378][ T3913] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 61.595381][ T3913] RSP: 002b:00007fa863930038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.595384][ T3913] RAX: ffffffffffffffda RBX: 00007fa862d15f80 RCX: 00007fa862b79ef9 [ 61.595385][ T3913] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: ffffffffffffff9c [ 61.595387][ T3913] RBP: 00007fa863930090 R08: 0000000000000000 R09: 0000000000000000 [ 61.595389][ T3913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.595391][ T3913] R13: 0000000000000000 R14: 00007fa862d15f80 R15: 00007fff3d3c9658 [ 61.595394][ T3913]