./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2804513812 <...> Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. execve("./syz-executor2804513812", ["./syz-executor2804513812"], 0x7ffea64986b0 /* 10 vars */) = 0 brk(NULL) = 0x555555622000 brk(0x555555622c40) = 0x555555622c40 arch_prctl(ARCH_SET_FS, 0x555555622300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2804513812", 4096) = 28 brk(0x555555643c40) = 0x555555643c40 brk(0x555555644000) = 0x555555644000 mprotect(0x7fc6d7f7e000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 inotify_init1(0) = 3 inotify_add_watch(3, ".", IN_OPEN|IN_MOVED_TO|IN_CREATE|IN_DELETE|IN_MOVE_SELF|IN_ONLYDIR|IN_EXCL_UNLINK|IN_MASK_ADD|IN_ISDIR|IN_ONESHOT) = 1 ioctl(3, FIOASYNC, [1]) = 0 fcntl(3, F_SETOWN, -1) = 0 openat(AT_FDCWD, "cpuset.effective_cpus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 openat(AT_FDCWD, "/dev/input/event0", O_WRONLY|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_NOFOLLOW|FASYNC|0x800000) = 5 ioctl(-1, HIDIOCGUSAGES, 0x20000080) = -1 EBADF (Bad file descriptor) openat(AT_FDCWD, "/dev/input/event0", O_RDONLY) = 6 ioctl(6, FIOASYNC, [3]) = 0 [ 54.926668][ T4991] [ 54.929015][ T4991] ===================================================== [ 54.935922][ T4991] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 54.943350][ T4991] 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0 Not tainted [ 54.950343][ T4991] ----------------------------------------------------- [ 54.957245][ T4991] syz-executor280/4991 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 54.965284][ T4991] ffff88807bf9d0c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x16e/0x490 [ 54.973977][ T4991] [ 54.973977][ T4991] and this task is already holding: [ 54.981338][ T4991] ffff8880152f2028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xee/0xad0 [ 54.991090][ T4991] which would create a new lock dependency: [ 54.996970][ T4991] (&client->buffer_lock){....}-{2:2} -> (&new->fa_lock){....}-{2:2} [ 55.005055][ T4991] [ 55.005055][ T4991] but this new dependency connects a HARDIRQ-irq-safe lock: [ 55.014492][ T4991] (&dev->event_lock#2){-...}-{2:2} [ 55.014518][ T4991] [ 55.014518][ T4991] ... which became HARDIRQ-irq-safe at: [ 55.027413][ T4991] lock_acquire+0x1e3/0x520 [ 55.031997][ T4991] _raw_spin_lock_irqsave+0xd5/0x120 [ 55.037354][ T4991] input_event+0x91/0xd0 [ 55.041672][ T4991] psmouse_report_standard_packet+0x54/0x200 [ 55.047731][ T4991] psmouse_process_byte+0x48c/0x670 [ 55.053002][ T4991] psmouse_handle_byte+0x46/0x4b0 [ 55.058097][ T4991] psmouse_interrupt+0x69b/0x10b0 [ 55.063189][ T4991] serio_interrupt+0x8c/0x130 [ 55.067939][ T4991] i8042_interrupt+0x372/0x770 [ 55.072776][ T4991] __handle_irq_event_percpu+0x286/0xa20 [ 55.078480][ T4991] handle_irq_event+0x89/0x1f0 [ 55.083336][ T4991] handle_edge_irq+0x249/0xbf0 [ 55.088191][ T4991] __common_interrupt+0xdb/0x1f0 [ 55.093232][ T4991] common_interrupt+0xa3/0xc0 [ 55.097988][ T4991] asm_common_interrupt+0x26/0x40 [ 55.103087][ T4991] finish_lock_switch+0x95/0x110 [ 55.108096][ T4991] finish_task_switch+0x134/0x650 [ 55.113194][ T4991] schedule_tail+0xf/0xb0 [ 55.117680][ T4991] ret_from_fork+0x8/0x30 [ 55.122086][ T4991] [ 55.122086][ T4991] to a HARDIRQ-irq-unsafe lock: [ 55.129084][ T4991] (tasklist_lock){.+.+}-{2:2} [ 55.129106][ T4991] [ 55.129106][ T4991] ... which became HARDIRQ-irq-unsafe at: [ 55.142051][ T4991] ... [ 55.142057][ T4991] lock_acquire+0x1e3/0x520 [ 55.149210][ T4991] _raw_read_lock+0x36/0x50 [ 55.153813][ T4991] do_wait+0x2ad/0xb00 [ 55.157966][ T4991] kernel_wait+0xe9/0x240 [ 55.162384][ T4991] call_usermodehelper_exec_work+0xb9/0x220 [ 55.168358][ T4991] process_one_work+0x8a0/0x10e0 [ 55.173372][ T4991] worker_thread+0xa63/0x1210 [ 55.178126][ T4991] kthread+0x2b8/0x350 [ 55.182269][ T4991] ret_from_fork+0x1f/0x30 [ 55.186764][ T4991] [ 55.186764][ T4991] other info that might help us debug this: [ 55.186764][ T4991] [ 55.196991][ T4991] Chain exists of: [ 55.196991][ T4991] &dev->event_lock#2 --> &client->buffer_lock --> tasklist_lock [ 55.196991][ T4991] [ 55.210557][ T4991] Possible interrupt unsafe locking scenario: [ 55.210557][ T4991] [ 55.218863][ T4991] CPU0 CPU1 [ 55.224211][ T4991] ---- ---- [ 55.229558][ T4991] lock(tasklist_lock); [ 55.233790][ T4991] local_irq_disable(); [ 55.240524][ T4991] lock(&dev->event_lock#2); [ 55.247709][ T4991] lock(&client->buffer_lock); [ 55.255067][ T4991] [ 55.258504][ T4991] lock(&dev->event_lock#2); [ 55.263346][ T4991] [ 55.263346][ T4991] *** DEADLOCK *** [ 55.263346][ T4991] [ 55.271470][ T4991] 7 locks held by syz-executor280/4991: [ 55.277000][ T4991] #0: ffff888023478110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x271/0x7c0 [ 55.286136][ T4991] #1: ffff888013bdf230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xc5/0x300 [ 55.296222][ T4991] #2: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 [ 55.305512][ T4991] #3: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 [ 55.314803][ T4991] #4: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 [ 55.324100][ T4991] #5: ffff8880152f2028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xee/0xad0 [ 55.334267][ T4991] #6: ffffffff8cf27520 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x40 [ 55.343566][ T4991] [ 55.343566][ T4991] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 55.353955][ T4991] -> (&dev->event_lock#2){-...}-{2:2} { [ 55.359595][ T4991] IN-HARDIRQ-W at: [ 55.363643][ T4991] lock_acquire+0x1e3/0x520 [ 55.369958][ T4991] _raw_spin_lock_irqsave+0xd5/0x120 [ 55.377054][ T4991] input_event+0x91/0xd0 [ 55.383112][ T4991] psmouse_report_standard_packet+0x54/0x200 [ 55.390900][ T4991] psmouse_process_byte+0x48c/0x670 [ 55.397902][ T4991] psmouse_handle_byte+0x46/0x4b0 [ 55.404730][ T4991] psmouse_interrupt+0x69b/0x10b0 [ 55.411684][ T4991] serio_interrupt+0x8c/0x130 [ 55.418180][ T4991] i8042_interrupt+0x372/0x770 [ 55.424776][ T4991] __handle_irq_event_percpu+0x286/0xa20 [ 55.432230][ T4991] handle_irq_event+0x89/0x1f0 [ 55.438810][ T4991] handle_edge_irq+0x249/0xbf0 [ 55.445398][ T4991] __common_interrupt+0xdb/0x1f0 [ 55.452163][ T4991] common_interrupt+0xa3/0xc0 [ 55.458656][ T4991] asm_common_interrupt+0x26/0x40 [ 55.465494][ T4991] finish_lock_switch+0x95/0x110 [ 55.472244][ T4991] finish_task_switch+0x134/0x650 [ 55.479083][ T4991] schedule_tail+0xf/0xb0 [ 55.485221][ T4991] ret_from_fork+0x8/0x30 [ 55.491360][ T4991] INITIAL USE at: [ 55.495328][ T4991] lock_acquire+0x1e3/0x520 [ 55.501555][ T4991] _raw_spin_lock_irqsave+0xd5/0x120 [ 55.508565][ T4991] input_inject_event+0xc5/0x300 [ 55.515228][ T4991] led_trigger_event+0xf1/0x1a0 [ 55.521802][ T4991] kbd_led_trigger_activate+0xbd/0x100 [ 55.528985][ T4991] led_trigger_set+0x53e/0x910 [ 55.535472][ T4991] led_trigger_set_default+0x1c6/0x200 [ 55.542651][ T4991] led_classdev_register_ext+0x604/0x7f0 [ 55.550005][ T4991] input_leds_connect+0x493/0x640 [ 55.556840][ T4991] input_register_device+0xcf0/0x1090 [ 55.563932][ T4991] atkbd_connect+0x7a1/0x9f0 [ 55.570244][ T4991] serio_driver_probe+0x78/0x90 [ 55.576818][ T4991] really_probe+0x294/0xc30 [ 55.583041][ T4991] __driver_probe_device+0x1a2/0x3d0 [ 55.590052][ T4991] driver_probe_device+0x50/0x420 [ 55.596805][ T4991] __driver_attach+0x45c/0x710 [ 55.603306][ T4991] bus_for_each_dev+0x236/0x2b0 [ 55.609896][ T4991] serio_handle_event+0x1c7/0x910 [ 55.616650][ T4991] process_one_work+0x8a0/0x10e0 [ 55.623319][ T4991] worker_thread+0xa63/0x1210 [ 55.629724][ T4991] kthread+0x2b8/0x350 [ 55.635514][ T4991] ret_from_fork+0x1f/0x30 [ 55.641658][ T4991] } [ 55.644226][ T4991] ... key at: [] input_allocate_device.__key.5+0x0/0x20 [ 55.653332][ T4991] -> (&client->buffer_lock){....}-{2:2} { [ 55.659064][ T4991] INITIAL USE at: [ 55.662948][ T4991] lock_acquire+0x1e3/0x520 [ 55.669011][ T4991] _raw_spin_lock+0x2e/0x40 [ 55.675072][ T4991] evdev_pass_values+0xee/0xad0 [ 55.681476][ T4991] evdev_events+0x19c/0x2c0 [ 55.687540][ T4991] input_pass_values+0x8dc/0x1290 [ 55.694122][ T4991] input_event_dispose+0x366/0x650 [ 55.700788][ T4991] input_handle_event+0xa6d/0xbe0 [ 55.707364][ T4991] input_inject_event+0x201/0x300 [ 55.713958][ T4991] evdev_write+0x66c/0x7c0 [ 55.719958][ T4991] vfs_write+0x28d/0xb20 [ 55.725791][ T4991] ksys_write+0x1a0/0x2c0 [ 55.731684][ T4991] do_syscall_64+0x41/0xc0 [ 55.737651][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.745095][ T4991] } [ 55.747597][ T4991] ... key at: [] evdev_open.__key.24+0x0/0x20 [ 55.755748][ T4991] ... acquired at: [ 55.759536][ T4991] lock_acquire+0x1e3/0x520 [ 55.764210][ T4991] _raw_spin_lock+0x2e/0x40 [ 55.768880][ T4991] evdev_pass_values+0xee/0xad0 [ 55.773894][ T4991] evdev_events+0x19c/0x2c0 [ 55.778562][ T4991] input_pass_values+0x8dc/0x1290 [ 55.783747][ T4991] input_event_dispose+0x366/0x650 [ 55.789020][ T4991] input_handle_event+0xa6d/0xbe0 [ 55.794205][ T4991] input_inject_event+0x201/0x300 [ 55.799394][ T4991] evdev_write+0x66c/0x7c0 [ 55.803975][ T4991] vfs_write+0x28d/0xb20 [ 55.808386][ T4991] ksys_write+0x1a0/0x2c0 [ 55.812876][ T4991] do_syscall_64+0x41/0xc0 [ 55.817447][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 55.823498][ T4991] [ 55.825805][ T4991] [ 55.825805][ T4991] the dependencies between the lock to be acquired [ 55.825812][ T4991] and HARDIRQ-irq-unsafe lock: [ 55.839292][ T4991] -> (tasklist_lock){.+.+}-{2:2} { [ 55.844579][ T4991] HARDIRQ-ON-R at: [ 55.848717][ T4991] lock_acquire+0x1e3/0x520 [ 55.855206][ T4991] _raw_read_lock+0x36/0x50 [ 55.861690][ T4991] do_wait+0x2ad/0xb00 [ 55.867741][ T4991] kernel_wait+0xe9/0x240 [ 55.874052][ T4991] call_usermodehelper_exec_work+0xb9/0x220 [ 55.881931][ T4991] process_one_work+0x8a0/0x10e0 [ 55.888852][ T4991] worker_thread+0xa63/0x1210 [ 55.895601][ T4991] kthread+0x2b8/0x350 [ 55.901651][ T4991] ret_from_fork+0x1f/0x30 [ 55.908055][ T4991] SOFTIRQ-ON-R at: [ 55.912204][ T4991] lock_acquire+0x1e3/0x520 [ 55.918691][ T4991] _raw_read_lock+0x36/0x50 [ 55.925176][ T4991] do_wait+0x2ad/0xb00 [ 55.931226][ T4991] kernel_wait+0xe9/0x240 [ 55.937553][ T4991] call_usermodehelper_exec_work+0xb9/0x220 [ 55.945427][ T4991] process_one_work+0x8a0/0x10e0 [ 55.952347][ T4991] worker_thread+0xa63/0x1210 [ 55.959009][ T4991] kthread+0x2b8/0x350 [ 55.965058][ T4991] ret_from_fork+0x1f/0x30 [ 55.971457][ T4991] INITIAL USE at: [ 55.975524][ T4991] lock_acquire+0x1e3/0x520 [ 55.981925][ T4991] _raw_write_lock_irq+0xd3/0x120 [ 55.988858][ T4991] copy_process+0x25a8/0x4290 [ 55.995515][ T4991] kernel_clone+0x222/0x800 [ 56.001916][ T4991] user_mode_thread+0x132/0x190 [ 56.008664][ T4991] rest_init+0x25/0x2b0 [ 56.014720][ T4991] arch_call_rest_init+0xe/0x10 [ 56.021462][ T4991] start_kernel+0x473/0x4f0 [ 56.027863][ T4991] x86_64_start_reservations+0x2a/0x30 [ 56.035223][ T4991] x86_64_start_kernel+0x99/0xa0 [ 56.042053][ T4991] secondary_startup_64_no_verify+0xf5/0xfb [ 56.049848][ T4991] INITIAL READ USE at: [ 56.054335][ T4991] lock_acquire+0x1e3/0x520 [ 56.061170][ T4991] _raw_read_lock+0x36/0x50 [ 56.068005][ T4991] do_wait+0x2ad/0xb00 [ 56.074403][ T4991] kernel_wait+0xe9/0x240 [ 56.081060][ T4991] call_usermodehelper_exec_work+0xb9/0x220 [ 56.089283][ T4991] process_one_work+0x8a0/0x10e0 [ 56.096555][ T4991] worker_thread+0xa63/0x1210 [ 56.103561][ T4991] kthread+0x2b8/0x350 [ 56.109957][ T4991] ret_from_fork+0x1f/0x30 [ 56.116704][ T4991] } [ 56.119357][ T4991] ... key at: [] tasklist_lock+0x18/0x40 [ 56.127241][ T4991] ... acquired at: [ 56.131201][ T4991] lock_acquire+0x1e3/0x520 [ 56.135866][ T4991] _raw_read_lock+0x36/0x50 [ 56.140531][ T4991] send_sigio+0xd6/0x330 [ 56.144934][ T4991] kill_fasync+0x210/0x490 [ 56.149512][ T4991] fsnotify_insert_event+0x362/0x410 [ 56.154966][ T4991] inotify_handle_inode_event+0x3b6/0x530 [ 56.160877][ T4991] fsnotify+0x1947/0x1ec0 [ 56.165362][ T4991] path_openat+0x15d2/0x3170 [ 56.170109][ T4991] do_filp_open+0x234/0x490 [ 56.174770][ T4991] do_sys_openat2+0x13f/0x500 [ 56.179605][ T4991] __x64_sys_openat+0x247/0x290 [ 56.184611][ T4991] do_syscall_64+0x41/0xc0 [ 56.189184][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.195236][ T4991] [ 56.197544][ T4991] -> (&f->f_owner.lock){....}-{2:2} { [ 56.203010][ T4991] INITIAL USE at: [ 56.206974][ T4991] lock_acquire+0x1e3/0x520 [ 56.213202][ T4991] _raw_write_lock_irq+0xd3/0x120 [ 56.219948][ T4991] f_modown+0x38/0x340 [ 56.225743][ T4991] f_setown+0x12b/0x1d0 [ 56.231619][ T4991] do_fcntl+0x810/0x15f0 [ 56.237583][ T4991] __se_sys_fcntl+0xd2/0x1b0 [ 56.243980][ T4991] do_syscall_64+0x41/0xc0 [ 56.250114][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.257729][ T4991] INITIAL READ USE at: [ 56.262126][ T4991] lock_acquire+0x1e3/0x520 [ 56.268789][ T4991] _raw_read_lock_irqsave+0xdd/0x120 [ 56.276229][ T4991] send_sigio+0x33/0x330 [ 56.282633][ T4991] kill_fasync+0x210/0x490 [ 56.289207][ T4991] fsnotify_insert_event+0x362/0x410 [ 56.296647][ T4991] inotify_handle_inode_event+0x3b6/0x530 [ 56.304527][ T4991] fsnotify+0x1947/0x1ec0 [ 56.311009][ T4991] path_openat+0x15d2/0x3170 [ 56.317754][ T4991] do_filp_open+0x234/0x490 [ 56.324410][ T4991] do_sys_openat2+0x13f/0x500 [ 56.331243][ T4991] __x64_sys_openat+0x247/0x290 [ 56.338250][ T4991] do_syscall_64+0x41/0xc0 [ 56.344824][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.352874][ T4991] } [ 56.355440][ T4991] ... key at: [] __alloc_file.__key+0x0/0x10 [ 56.363582][ T4991] ... acquired at: [ 56.367464][ T4991] lock_acquire+0x1e3/0x520 [ 56.372140][ T4991] _raw_read_lock_irqsave+0xdd/0x120 [ 56.377592][ T4991] send_sigio+0x33/0x330 [ 56.381999][ T4991] kill_fasync+0x210/0x490 [ 56.386579][ T4991] fsnotify_insert_event+0x362/0x410 [ 56.392039][ T4991] inotify_handle_inode_event+0x3b6/0x530 [ 56.397925][ T4991] fsnotify+0x1947/0x1ec0 [ 56.402419][ T4991] path_openat+0x15d2/0x3170 [ 56.407169][ T4991] do_filp_open+0x234/0x490 [ 56.411831][ T4991] do_sys_openat2+0x13f/0x500 [ 56.416669][ T4991] __x64_sys_openat+0x247/0x290 [ 56.421680][ T4991] do_syscall_64+0x41/0xc0 [ 56.426258][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.432324][ T4991] [ 56.434648][ T4991] -> (&new->fa_lock){....}-{2:2} { [ 56.439774][ T4991] INITIAL READ USE at: [ 56.444093][ T4991] lock_acquire+0x1e3/0x520 [ 56.450600][ T4991] _raw_read_lock_irqsave+0xdd/0x120 [ 56.457869][ T4991] kill_fasync+0x16e/0x490 [ 56.464273][ T4991] fsnotify_insert_event+0x362/0x410 [ 56.471540][ T4991] inotify_handle_inode_event+0x3b6/0x530 [ 56.479243][ T4991] fsnotify+0x1947/0x1ec0 [ 56.485556][ T4991] path_openat+0x15d2/0x3170 [ 56.492132][ T4991] do_filp_open+0x234/0x490 [ 56.498620][ T4991] do_sys_openat2+0x13f/0x500 [ 56.505282][ T4991] __x64_sys_openat+0x247/0x290 [ 56.512120][ T4991] do_syscall_64+0x41/0xc0 [ 56.518517][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.526392][ T4991] } [ 56.528876][ T4991] ... key at: [] fasync_insert_entry.__key+0x0/0x20 [ 56.537537][ T4991] ... acquired at: [ 56.541321][ T4991] lock_acquire+0x1e3/0x520 [ 56.545989][ T4991] _raw_read_lock_irqsave+0xdd/0x120 [ 56.551431][ T4991] kill_fasync+0x16e/0x490 [ 56.556010][ T4991] evdev_pass_values+0x586/0xad0 [ 56.561211][ T4991] evdev_events+0x19c/0x2c0 [ 56.565900][ T4991] input_pass_values+0x8dc/0x1290 [ 56.571094][ T4991] input_event_dispose+0x366/0x650 [ 56.576375][ T4991] input_handle_event+0xa6d/0xbe0 [ 56.581585][ T4991] input_inject_event+0x201/0x300 [ 56.586787][ T4991] evdev_write+0x66c/0x7c0 [ 56.591371][ T4991] vfs_write+0x28d/0xb20 [ 56.595779][ T4991] ksys_write+0x1a0/0x2c0 [ 56.600279][ T4991] do_syscall_64+0x41/0xc0 [ 56.604856][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.610911][ T4991] [ 56.613225][ T4991] [ 56.613225][ T4991] stack backtrace: [ 56.619101][ T4991] CPU: 1 PID: 4991 Comm: syz-executor280 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0 [ 56.629496][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.639534][ T4991] Call Trace: [ 56.642802][ T4991] [ 56.645717][ T4991] dump_stack_lvl+0x1e7/0x2d0 [ 56.650388][ T4991] ? nf_tcp_handle_invalid+0x650/0x650 [ 56.655832][ T4991] ? panic+0x770/0x770 [ 56.659889][ T4991] ? print_shortest_lock_dependencies+0xf2/0x150 [ 56.666208][ T4991] validate_chain+0x4d1c/0x58f0 [ 56.671058][ T4991] ? reacquire_held_locks+0x660/0x660 [ 56.676424][ T4991] ? register_lock_class+0x104/0x990 [ 56.681699][ T4991] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.686890][ T4991] ? is_dynamic_key+0x1f0/0x1f0 [ 56.691734][ T4991] ? mark_lock+0x9a/0x340 [ 56.696052][ T4991] __lock_acquire+0x1316/0x2070 [ 56.700894][ T4991] lock_acquire+0x1e3/0x520 [ 56.705388][ T4991] ? kill_fasync+0x16e/0x490 [ 56.709970][ T4991] ? read_lock_is_recursive+0x20/0x20 [ 56.715333][ T4991] ? read_lock_is_recursive+0x20/0x20 [ 56.720694][ T4991] ? read_lock_is_recursive+0x20/0x20 [ 56.726053][ T4991] _raw_read_lock_irqsave+0xdd/0x120 [ 56.731325][ T4991] ? kill_fasync+0x16e/0x490 [ 56.735905][ T4991] ? _raw_read_lock+0x50/0x50 [ 56.740575][ T4991] kill_fasync+0x16e/0x490 [ 56.744978][ T4991] evdev_pass_values+0x586/0xad0 [ 56.749915][ T4991] ? evdev_pass_values+0x5b1/0xad0 [ 56.755016][ T4991] evdev_events+0x19c/0x2c0 [ 56.759506][ T4991] ? evdev_event+0x170/0x170 [ 56.764087][ T4991] input_pass_values+0x8dc/0x1290 [ 56.769099][ T4991] input_event_dispose+0x366/0x650 [ 56.774203][ T4991] input_handle_event+0xa6d/0xbe0 [ 56.779218][ T4991] ? _raw_spin_lock_irqsave+0xe1/0x120 [ 56.784664][ T4991] ? userio_device_write+0x1f0/0x1f0 [ 56.789944][ T4991] input_inject_event+0x201/0x300 [ 56.794961][ T4991] evdev_write+0x66c/0x7c0 [ 56.799366][ T4991] ? evdev_read+0xe00/0xe00 [ 56.803858][ T4991] ? fsnotify_perm+0x67/0x590 [ 56.808526][ T4991] ? bpf_lsm_file_permission+0x9/0x10 [ 56.813886][ T4991] ? evdev_read+0xe00/0xe00 [ 56.818382][ T4991] vfs_write+0x28d/0xb20 [ 56.822627][ T4991] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 56.828601][ T4991] ? file_end_write+0x250/0x250 [ 56.833455][ T4991] ? print_irqtrace_events+0x220/0x220 [ 56.838914][ T4991] ? ptrace_stop+0x75a/0x970 [ 56.843507][ T4991] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.848699][ T4991] ? lockdep_hardirqs_on+0x98/0x140 [ 56.853904][ T4991] ? __fdget_pos+0x1df/0x2f0 [ 56.858490][ T4991] ksys_write+0x1a0/0x2c0 [ 56.862818][ T4991] ? __ia32_sys_read+0x90/0x90 [ 56.867581][ T4991] ? syscall_enter_from_user_mode+0x32/0x230 [ 56.873556][ T4991] ? syscall_enter_from_user_mode+0x8c/0x230 [ 56.879531][ T4991] do_syscall_64+0x41/0xc0 [ 56.883938][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.889820][ T4991] RIP: 0033:0x7fc6d7f11679 [ 56.894225][ T4991] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 56.913817][ T4991] RSP: 002b:00007ffe558ea628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.922221][ T4991] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6d7f11679 write(5, "\xe2\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 10968) = 10968 exit_group(0) = ? +++ exited with 0 +++ [ 56.930178][ T4991] RDX: 0000000000002ad8 RSI: 000000002000004