program:
ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, 0x0)
syz_usb_connect(0x0, 0x24, &(0x7f0000000200)=ANY=[@ANYBLOB="120100002ec6601037210100352a010203010902120001000000000904"], 0x0)
openat$snapshot(0xffffffffffffff9c, &(0x7f00000000c0), 0x1, 0x0) (fail_nth: 8)
[ 81.340149][ T1311] ieee802154 phy0 wpan0: encryption failed: -22
[ 81.342814][ T1311] ieee802154 phy1 wpan1: encryption failed: -22
[ 81.346142][ T5310] Bluetooth: hci0: command tx timeout
[ 81.678732][ T58] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[ 81.829254][ T58] usb 5-1: Using ep0 maxpacket: 16
[ 81.841821][ T58] usb 5-1: New USB device found, idVendor=2137, idProduct=0001, bcdDevice=2a.35
[ 81.845755][ T58] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 81.850130][ T58] usb 5-1: Product: syz
[ 81.851749][ T58] usb 5-1: Manufacturer: syz
[ 81.853517][ T58] usb 5-1: SerialNumber: syz
[ 81.860488][ T58] usb 5-1: config 0 descriptor??
[ 81.873722][ T58] as10x_usb: device has been detected
[ 81.876665][ T58] dvbdev: DVB: registering new adapter (Sky IT Digital Key (green led))
[ 81.900286][ T58] usb 5-1: DVB: registering adapter 1 frontend 0 (Sky IT Digital Key (green led))...
[ 81.917597][ T58] as10x_usb: error during firmware upload part1
[ 81.921787][ T58] Registered device Sky IT Digital Key (green led)
[ 82.067343][ T5326] random: crng reseeded on system resumption
[ 82.075726][ T5326] FAULT_INJECTION: forcing a failure.
[ 82.075726][ T5326] name failslab, interval 1, probability 0, space 0, times 1
[ 82.081872][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full)
[ 82.081888][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 82.081895][ T5326] Call Trace:
[ 82.081899][ T5326]
[ 82.081904][ T5326] dump_stack_lvl+0x241/0x360
[ 82.082035][ T5326] ? __pfx_dump_stack_lvl+0x10/0x10
[ 82.082050][ T5326] ? __pfx__printk+0x10/0x10
[ 82.082073][ T5326] should_fail_ex+0x424/0x570
[ 82.082121][ T5326] should_failslab+0xac/0x100
[ 82.082135][ T5326] __kmalloc_cache_noprof+0x73/0x370
[ 82.082146][ T5326] ? async_schedule_node_domain+0x5c/0x110
[ 82.082162][ T5326] ? __pfx___async_dev_cache_fw_image+0x10/0x10
[ 82.082179][ T5326] async_schedule_node_domain+0x5c/0x110
[ 82.082195][ T5326] dev_cache_fw_image+0x36f/0x3e0
[ 82.082213][ T5326] ? __pfx_dev_cache_fw_image+0x10/0x10
[ 82.082225][ T5326] ? _raw_spin_unlock_irqrestore+0xde/0x140
[ 82.082272][ T5326] ? __pfx_dev_cache_fw_image+0x10/0x10
[ 82.082286][ T5326] dpm_for_each_dev+0x58/0xc0
[ 82.082303][ T5326] fw_pm_notify+0x254/0x2f0
[ 82.082317][ T5326] ? __pfx_fw_pm_notify+0x10/0x10
[ 82.082329][ T5326] ? rcu_is_watching+0x15/0xb0
[ 82.082338][ T5326] ? __pfx_autoremove_wake_function+0x10/0x10
[ 82.082352][ T5326] ? __mutex_lock+0x380/0x10c0
[ 82.082363][ T5326] ? rcu_is_watching+0x15/0xb0
[ 82.082377][ T5326] notifier_call_chain+0x1a5/0x3f0
[ 82.082391][ T5326] blocking_notifier_call_chain_robust+0xf2/0x1f0
[ 82.082404][ T5326] ? __pfx_blocking_notifier_call_chain_robust+0x10/0x10
[ 82.082423][ T5326] pm_notifier_call_chain_robust+0x2c/0x60
[ 82.082438][ T5326] snapshot_open+0x132/0x280
[ 82.082451][ T5326] ? __pfx_snapshot_open+0x10/0x10
[ 82.082466][ T5326] misc_open+0x2cc/0x340
[ 82.082484][ T5326] chrdev_open+0x514/0x600
[ 82.082497][ T5326] ? __pfx_chrdev_open+0x10/0x10
[ 82.082508][ T5326] ? file_set_fsnotify_mode_from_watchers+0x123/0x640
[ 82.082528][ T5326] ? __pfx_chrdev_open+0x10/0x10
[ 82.082536][ T5326] do_dentry_open+0xdec/0x1960
[ 82.082555][ T5326] ? vfs_open+0x31/0x370
[ 82.082567][ T5326] vfs_open+0x3b/0x370
[ 82.082580][ T5326] path_openat+0x2caf/0x35d0
[ 82.082598][ T5326] ? __pfx_kstrtoull+0x10/0x10
[ 82.082619][ T5326] ? stack_depot_save_flags+0x44/0x940
[ 82.082641][ T5326] ? kasan_save_track+0x51/0x80
[ 82.082658][ T5326] ? __pfx_path_openat+0x10/0x10
[ 82.082668][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.082693][ T5326] do_filp_open+0x284/0x4e0
[ 82.082707][ T5326] ? __pfx_do_filp_open+0x10/0x10
[ 82.082719][ T5326] ? do_raw_spin_lock+0x151/0x370
[ 82.082755][ T5326] do_sys_openat2+0x12b/0x1d0
[ 82.082770][ T5326] ? __pfx_do_sys_openat2+0x10/0x10
[ 82.082779][ T5326] ? __fget_files+0x2a/0x420
[ 82.082792][ T5326] ? __fget_files+0x2a/0x420
[ 82.082807][ T5326] __x64_sys_openat+0x249/0x2a0
[ 82.082820][ T5326] ? __pfx___x64_sys_openat+0x10/0x10
[ 82.082839][ T5326] ? do_syscall_64+0xb6/0x210
[ 82.082853][ T5326] do_syscall_64+0xf3/0x210
[ 82.082864][ T5326] ? clear_bhb_loop+0x45/0xa0
[ 82.082876][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.082886][ T5326] RIP: 0033:0x7f14e258e169
[ 82.082898][ T5326] 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
[ 82.082905][ T5326] RSP: 002b:00007f14e3435038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 82.082916][ T5326] RAX: ffffffffffffffda RBX: 00007f14e27b5fa0 RCX: 00007f14e258e169
[ 82.082923][ T5326] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: ffffffffffffff9c
[ 82.082930][ T5326] RBP: 00007f14e3435090 R08: 0000000000000000 R09: 0000000000000000
[ 82.082936][ T5326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 82.082942][ T5326] R13: 0000000000000000 R14: 00007f14e27b5fa0 R15: 00007ffca6f94568
[ 82.082961][ T5326]
[ 82.085328][ T5326]
[ 82.233117][ T5326] ============================================
[ 82.235503][ T5326] WARNING: possible recursive locking detected
[ 82.237953][ T5326] 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 Not tainted
[ 82.240704][ T5326] --------------------------------------------
[ 82.243395][ T5326] syz.0.0/5326 is trying to acquire lock:
[ 82.246041][ T5326] ffffffff8f701508 (fw_lock){+.+.}-{4:4}, at: assign_fw+0x56/0x890
[ 82.249205][ T5326]
[ 82.249205][ T5326] but task is already holding lock:
[ 82.251944][ T5326] ffffffff8f701508 (fw_lock){+.+.}-{4:4}, at: fw_pm_notify+0x23c/0x2f0
[ 82.255024][ T5326]
[ 82.255024][ T5326] other info that might help us debug this:
[ 82.258189][ T5326] Possible unsafe locking scenario:
[ 82.258189][ T5326]
[ 82.260997][ T5326] CPU0
[ 82.262380][ T5326] ----
[ 82.263696][ T5326] lock(fw_lock);
[ 82.265168][ T5326] lock(fw_lock);
[ 82.266606][ T5326]
[ 82.266606][ T5326] *** DEADLOCK ***
[ 82.266606][ T5326]
[ 82.269799][ T5326] May be due to missing lock nesting notation
[ 82.269799][ T5326]
[ 82.272907][ T5326] 5 locks held by syz.0.0/5326:
[ 82.274797][ T5326] #0: ffffffff8f5af928 (misc_mtx){+.+.}-{4:4}, at: misc_open+0x54/0x340
[ 82.277965][ T5326] #1: ffffffff8ebee028 (system_transition_mutex){+.+.}-{4:4}, at: lock_system_sleep+0x60/0xa0
[ 82.281709][ T5326] #2: ffffffff8ec11690 ((pm_chain_head).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain_robust+0xb8/0x1f0
[ 82.286005][ T5326] #3: ffffffff8f701508 (fw_lock){+.+.}-{4:4}, at: fw_pm_notify+0x23c/0x2f0
[ 82.289496][ T5326] #4: ffffffff8f6fc788 (dpm_list_mtx){+.+.}-{4:4}, at: dpm_for_each_dev+0x2b/0xc0
[ 82.293024][ T5326]
[ 82.293024][ T5326] stack backtrace:
[ 82.295328][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00278-gfc96b232f8e7 #0 PREEMPT(full)
[ 82.295349][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 82.295356][ T5326] Call Trace:
[ 82.295362][ T5326]
[ 82.295368][ T5326] dump_stack_lvl+0x241/0x360
[ 82.295385][ T5326] ? __pfx_dump_stack_lvl+0x10/0x10
[ 82.295397][ T5326] ? __pfx__printk+0x10/0x10
[ 82.295409][ T5326] ? print_lock+0x171/0x1a0
[ 82.295425][ T5326] print_deadlock_bug+0x2be/0x2d0
[ 82.295435][ T5326] validate_chain+0x928/0x24e0
[ 82.295446][ T5326] ? _raw_spin_unlock_irqrestore+0x90/0x140
[ 82.295463][ T5326] ? lockdep_hardirqs_on+0x9d/0x150
[ 82.295473][ T5326] ? _raw_spin_unlock_irqrestore+0xde/0x140
[ 82.295489][ T5326] __lock_acquire+0xad5/0xd80
[ 82.295506][ T5326] lock_acquire+0x116/0x2f0
[ 82.295518][ T5326] ? assign_fw+0x56/0x890
[ 82.295533][ T5326] ? dev_cache_fw_image+0x36f/0x3e0
[ 82.295546][ T5326] ? fw_pm_notify+0x254/0x2f0
[ 82.295561][ T5326] __mutex_lock+0x1a5/0x10c0
[ 82.295571][ T5326] ? assign_fw+0x56/0x890
[ 82.295581][ T5326] ? do_sys_openat2+0x12b/0x1d0
[ 82.295592][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.295604][ T5326] ? assign_fw+0x56/0x890
[ 82.295616][ T5326] ? __pfx___mutex_lock+0x10/0x10
[ 82.295628][ T5326] ? kasan_quarantine_put+0xdc/0x230
[ 82.295642][ T5326] ? lockdep_hardirqs_on+0x9d/0x150
[ 82.295652][ T5326] assign_fw+0x56/0x890
[ 82.295663][ T5326] ? kmem_cache_free+0x197/0x410
[ 82.295673][ T5326] ? _request_firmware+0xf08/0x1540
[ 82.295685][ T5326] _request_firmware+0xfd1/0x1540
[ 82.295702][ T5326] ? __pfx__request_firmware+0x10/0x10
[ 82.295714][ T5326] ? do_raw_spin_lock+0x151/0x370
[ 82.295728][ T5326] __async_dev_cache_fw_image+0xf3/0x350
[ 82.295743][ T5326] ? __pfx___async_dev_cache_fw_image+0x10/0x10
[ 82.295753][ T5326] ? rcu_is_watching+0x15/0xb0
[ 82.295759][ T5326] ? kfree+0x54/0x430
[ 82.295767][ T5326] ? async_schedule_node_domain+0xa3/0x110
[ 82.295779][ T5326] ? async_schedule_node_domain+0x5c/0x110
[ 82.295792][ T5326] ? __pfx___async_dev_cache_fw_image+0x10/0x10
[ 82.295805][ T5326] async_schedule_node_domain+0xdc/0x110
[ 82.295818][ T5326] dev_cache_fw_image+0x36f/0x3e0
[ 82.295832][ T5326] ? __pfx_dev_cache_fw_image+0x10/0x10
[ 82.295844][ T5326] ? _raw_spin_unlock_irqrestore+0xde/0x140
[ 82.295860][ T5326] ? __pfx_dev_cache_fw_image+0x10/0x10
[ 82.295873][ T5326] dpm_for_each_dev+0x58/0xc0
[ 82.295889][ T5326] fw_pm_notify+0x254/0x2f0
[ 82.295901][ T5326] ? __pfx_fw_pm_notify+0x10/0x10
[ 82.295913][ T5326] ? rcu_is_watching+0x15/0xb0
[ 82.295922][ T5326] ? __pfx_autoremove_wake_function+0x10/0x10
[ 82.295934][ T5326] ? __mutex_lock+0x380/0x10c0
[ 82.295943][ T5326] ? rcu_is_watching+0x15/0xb0
[ 82.295954][ T5326] notifier_call_chain+0x1a5/0x3f0
[ 82.295965][ T5326] blocking_notifier_call_chain_robust+0xf2/0x1f0
[ 82.295976][ T5326] ? __pfx_blocking_notifier_call_chain_robust+0x10/0x10
[ 82.295988][ T5326] pm_notifier_call_chain_robust+0x2c/0x60
[ 82.296002][ T5326] snapshot_open+0x132/0x280
[ 82.296015][ T5326] ? __pfx_snapshot_open+0x10/0x10
[ 82.296029][ T5326] misc_open+0x2cc/0x340
[ 82.296044][ T5326] chrdev_open+0x514/0x600
[ 82.296054][ T5326] ? __pfx_chrdev_open+0x10/0x10
[ 82.296063][ T5326] ? file_set_fsnotify_mode_from_watchers+0x123/0x640
[ 82.296078][ T5326] ? __pfx_chrdev_open+0x10/0x10
[ 82.296085][ T5326] do_dentry_open+0xdec/0x1960
[ 82.296097][ T5326] ? vfs_open+0x31/0x370
[ 82.296107][ T5326] vfs_open+0x3b/0x370
[ 82.296116][ T5326] path_openat+0x2caf/0x35d0
[ 82.296130][ T5326] ? __pfx_kstrtoull+0x10/0x10
[ 82.296142][ T5326] ? stack_depot_save_flags+0x44/0x940
[ 82.296159][ T5326] ? kasan_save_track+0x51/0x80
[ 82.296174][ T5326] ? __pfx_path_openat+0x10/0x10
[ 82.296184][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.296197][ T5326] do_filp_open+0x284/0x4e0
[ 82.296208][ T5326] ? __pfx_do_filp_open+0x10/0x10
[ 82.296218][ T5326] ? do_raw_spin_lock+0x151/0x370
[ 82.296235][ T5326] do_sys_openat2+0x12b/0x1d0
[ 82.296246][ T5326] ? __pfx_do_sys_openat2+0x10/0x10
[ 82.296255][ T5326] ? __fget_files+0x2a/0x420
[ 82.296265][ T5326] ? __fget_files+0x2a/0x420
[ 82.296275][ T5326] __x64_sys_openat+0x249/0x2a0
[ 82.296286][ T5326] ? __pfx___x64_sys_openat+0x10/0x10
[ 82.296299][ T5326] ? do_syscall_64+0xb6/0x210
[ 82.296309][ T5326] do_syscall_64+0xf3/0x210
[ 82.296319][ T5326] ? clear_bhb_loop+0x45/0xa0
[ 82.296338][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 82.296348][ T5326] RIP: 0033:0x7f14e258e169
[ 82.296359][ T5326] 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
[ 82.296367][ T5326] RSP: 002b:00007f14e3435038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 82.296378][ T5326] RAX: ffffffffffffffda RBX: 00007f14e27b5fa0 RCX: 00007f14e258e169
[ 82.296386][ T5326] RDX: 0000000000000001 RSI: 00002000000000c0 RDI: ffffffffffffff9c
[ 82.296393][ T5326] RBP: 00007f14e3435090 R08: 0000000000000000 R09: 0000000000000000
[ 82.296399][ T5326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 82.296404][ T5326] R13: 0000000000000000 R14: 00007f14e27b5fa0 R15: 00007ffca6f94568
[ 82.296413][ T5326]
[ 83.368751][ T4673] Bluetooth: hci0: command tx timeout
[ 85.450432][ T4673] Bluetooth: hci0: command tx timeout
[ 87.528738][ T4673] Bluetooth: hci0: command tx timeout