./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2693717346 <...> Warning: Permanently added '10.128.0.242' (ED25519) to the list of known hosts. execve("./syz-executor2693717346", ["./syz-executor2693717346"], 0x7fff997198b0 /* 10 vars */) = 0 brk(NULL) = 0x555556026000 brk(0x555556026d40) = 0x555556026d40 arch_prctl(ARCH_SET_FS, 0x5555560263c0) = 0 set_tid_address(0x555556026690) = 5066 set_robust_list(0x5555560266a0, 24) = 0 rseq(0x555556026ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2693717346", 4096) = 28 getrandom("\x82\xd9\x72\x05\x74\xec\x94\x4a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556026d40 brk(0x555556047d40) = 0x555556047d40 brk(0x555556048000) = 0x555556048000 mprotect(0x7f3c53d40000, 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 futex(0x7f3c53d463ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f3c53ce4f20, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f3c53cd65a0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3c53c5e000 mprotect(0x7f3c53c5f000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3c53c7e990, parent_tid=0x7f3c53c7e990, exit_signal=0, stack=0x7f3c53c5e000, stack_size=0x20300, tls=0x7f3c53c7e6c0}./strace-static-x86_64: Process 5067 attached => {parent_tid=[5067]}, 88) = 5067 [pid 5067] rseq(0x7f3c53c7efe0, 0x20, 0, 0x53053053 [pid 5066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5066] futex(0x7f3c53d463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f3c53d463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... rseq resumed>) = 0 [pid 5067] set_robust_list(0x7f3c53c7e9a0, 24) = 0 [pid 5067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5067] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 [pid 5067] futex(0x7f3c53d463ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5066] futex(0x7f3c53d463e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] futex(0x7f3c53d463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] bind(3, {sa_family=AF_INET6, sin6_port=htons(2), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 [pid 5067] futex(0x7f3c53d463ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5066] futex(0x7f3c53d463e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] sendto(3, NULL, 30, MSG_OOB|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_FASTOPEN|0x2000000, {sa_family=AF_INET6, sin6_port=htons(2), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f3c53d463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... sendto resumed>) = -1 EINPROGRESS (Operation now in progress) [pid 5067] futex(0x7f3c53d463ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5066] futex(0x7f3c53d463e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] fcntl(3, F_SETOWN, -1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f3c53d463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5067] <... fcntl resumed>) = 0 [pid 5067] futex(0x7f3c53d463ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5067] <... futex resumed>) = 1 [pid 5066] futex(0x7f3c53d463e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] sendto(3, "\x44\xf9\xb1\x08\xb1\xcd\xc8\x85\xc9\xc5\x33\xd2\x1f\x47\x4b\xec\x8b\xfe\xf1\xdf\x1e\x2d\xa7\x1e\x57\x8d\xc6\xb9\x1d\x09\xf7\xab\x15\x37\x85\x71\xd8\xe2\x75\x46\x09\x00\x11\x00\x6e\x75\x43\x69\x14\xab\x71\x75\x28\xee\x4b\x7a\x9b\xea\xf9\x08\xd1\x11\x37\xc1\x19\x03\x06\x4e\x83\xb4\x95\x1f\x4d\x43\x3a\x54\x04\x97\x0c\x85\xd9\x2d\x70\x83\xfd\x38\x84\x4c\xbb\x0c\x6c\x5e\xb5\x08\xdd\xc2\xdc\x7a\x59\x0a"..., 3503342252, MSG_OOB, NULL, 0 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f3c53d463ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5066] futex(0x7f3c53d463fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3c53c3d000 [pid 5066] mprotect(0x7f3c53c3e000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5066] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5066] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3c53c5d990, parent_tid=0x7f3c53c5d990, exit_signal=0, stack=0x7f3c53c3d000, stack_size=0x20300, tls=0x7f3c53c5d6c0}./strace-static-x86_64: Process 5068 attached => {parent_tid=[5068]}, 88) = 5068 [pid 5068] rseq(0x7f3c53c5dfe0, 0x20, 0, 0x53053053 [pid 5066] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... rseq resumed>) = 0 [pid 5066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5066] futex(0x7f3c53d463f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] set_robust_list(0x7f3c53c5d9a0, 24 [pid 5066] <... futex resumed>) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5066] futex(0x7f3c53d463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5068] ioctl(-1, EVIOCSFF, {type=0 /* FF_??? */, id=0, direction=0, ...}) = -1 EBADF (Bad file descriptor) [pid 5068] futex(0x7f3c53d463fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f3c53d463f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] futex(0x7f3c53d463f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] futex(0x7f3c53d463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "/dev/input/event0", O_RDONLY) = 4 [pid 5068] futex(0x7f3c53d463fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 1 [pid 5066] futex(0x7f3c53d463f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] ioctl(4, FIOASYNC, [8] [pid 5066] <... futex resumed>) = 0 [pid 5068] <... ioctl resumed>) = 0 [pid 5066] futex(0x7f3c53d463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] futex(0x7f3c53d463fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f3c53d463f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] futex(0x7f3c53d463f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5066] futex(0x7f3c53d463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] openat(AT_FDCWD, "/dev/input/event0", O_WRONLY|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_NOFOLLOW|FASYNC|0x800000) = 5 [pid 5068] futex(0x7f3c53d463fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 1 [pid 5066] futex(0x7f3c53d463f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] 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\x2f\x64\x65\x76\x2f\x69\x6e\x70\x75\x74\x2f\x65\x76\x65\x6e\x74\x23\x00\xf1\xdf\x1e\x2d\xa7\x1e\x57\x8d\xc6\xb9\x1d\x09\xf7\xab\x15\x37\x85\x71"..., 4200 [pid 5066] <... futex resumed>) = 0 [ 73.642634][ T5068] [ 73.644998][ T5068] ===================================================== [ 73.651932][ T5068] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 73.659378][ T5068] 6.8.0-rc5-syzkaller-00329-gab0a97cffa0b #0 Not tainted [ 73.666383][ T5068] ----------------------------------------------------- [ 73.673297][ T5068] syz-executor269/5068 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 73.681351][ T5068] ffff88802d744618 (&f->f_owner.lock){...-}-{2:2}, at: send_sigio+0x33/0x360 [ 73.690165][ T5068] [ 73.690165][ T5068] and this task is already holding: [ 73.697523][ T5068] ffff88807e31a018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x19e/0x4d0 [ 73.706254][ T5068] which would create a new lock dependency: [ 73.712137][ T5068] (&new->fa_lock){....}-{2:2} -> (&f->f_owner.lock){...-}-{2:2} [ 73.719905][ T5068] [ 73.719905][ T5068] but this new dependency connects a HARDIRQ-irq-safe lock: [ 73.729347][ T5068] (&dev->event_lock#2){-...}-{2:2} [ 73.729387][ T5068] [ 73.729387][ T5068] ... which became HARDIRQ-irq-safe at: [ 73.742269][ T5068] lock_acquire+0x1e3/0x530 [ 73.746875][ T5068] _raw_spin_lock_irqsave+0xd5/0x120 [ 73.752264][ T5068] input_event+0x91/0xd0 [ 73.756603][ T5068] psmouse_report_standard_packet+0x54/0x200 [ 73.762674][ T5068] psmouse_process_byte+0x48c/0x680 [ 73.767962][ T5068] psmouse_handle_byte+0x4b/0x4c0 [ 73.773082][ T5068] ps2_interrupt+0x17e/0x8e0 [ 73.777756][ T5068] serio_interrupt+0x92/0x140 [ 73.782522][ T5068] i8042_interrupt+0x375/0x770 [ 73.787382][ T5068] __handle_irq_event_percpu+0x28b/0xa30 [ 73.793109][ T5068] handle_irq_event+0x89/0x1f0 [ 73.797962][ T5068] handle_edge_irq+0x25f/0xc20 [ 73.802808][ T5068] __common_interrupt+0x13a/0x230 [ 73.807931][ T5068] common_interrupt+0xa5/0xd0 [ 73.812695][ T5068] asm_common_interrupt+0x26/0x40 [ 73.817820][ T5068] do_exit+0x1cb3/0x2740 [ 73.822156][ T5068] call_usermodehelper_exec_async+0x379/0x380 [ 73.828326][ T5068] ret_from_fork+0x4d/0x80 [ 73.832839][ T5068] ret_from_fork_asm+0x1b/0x30 [ 73.837701][ T5068] [ 73.837701][ T5068] to a HARDIRQ-irq-unsafe lock: [ 73.844711][ T5068] (tasklist_lock){.+.?}-{2:2} [ 73.844743][ T5068] [ 73.844743][ T5068] ... which became HARDIRQ-irq-unsafe at: [ 73.857361][ T5068] ... [ 73.857370][ T5068] lock_acquire+0x1e3/0x530 [ 73.864542][ T5068] _raw_read_lock+0x36/0x50 [ 73.869142][ T5068] __do_wait+0x12d/0x840 [ 73.873478][ T5068] do_wait+0x1d8/0x540 [ 73.877639][ T5068] kernel_wait+0xe9/0x240 [ 73.882064][ T5068] call_usermodehelper_exec_work+0xbd/0x230 [ 73.888056][ T5068] process_scheduled_works+0x915/0x1420 [ 73.893702][ T5068] worker_thread+0xa5f/0x1000 [ 73.898479][ T5068] kthread+0x2f1/0x390 [ 73.902636][ T5068] ret_from_fork+0x4d/0x80 [ 73.907151][ T5068] ret_from_fork_asm+0x1b/0x30 [ 73.912017][ T5068] [ 73.912017][ T5068] other info that might help us debug this: [ 73.912017][ T5068] [ 73.922239][ T5068] Chain exists of: [ 73.922239][ T5068] &dev->event_lock#2 --> &new->fa_lock --> tasklist_lock [ 73.922239][ T5068] [ 73.935212][ T5068] Possible interrupt unsafe locking scenario: [ 73.935212][ T5068] [ 73.943523][ T5068] CPU0 CPU1 [ 73.948882][ T5068] ---- ---- [ 73.954240][ T5068] lock(tasklist_lock); [ 73.958487][ T5068] local_irq_disable(); [ 73.965236][ T5068] lock(&dev->event_lock#2); [ 73.972444][ T5068] lock(&new->fa_lock); [ 73.979210][ T5068] [ 73.982654][ T5068] lock(&dev->event_lock#2); [ 73.987515][ T5068] [ 73.987515][ T5068] *** DEADLOCK *** [ 73.987515][ T5068] [ 73.995649][ T5068] 8 locks held by syz-executor269/5068: [ 74.001184][ T5068] #0: ffff888024ab5110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x271/0x7c0 [ 74.010349][ T5068] #1: ffff88801a786230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xc5/0x340 [ 74.020471][ T5068] #2: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0xd5/0x340 [ 74.030151][ T5068] #3: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x9d/0x1200 [ 74.039834][ T5068] #4: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x6f/0x300 [ 74.048997][ T5068] #5: ffff888062d55028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xf2/0xad0 [ 74.059201][ T5068] #6: ffffffff8e130c60 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x55/0x4d0 [ 74.068278][ T5068] #7: ffff88807e31a018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x19e/0x4d0 [ 74.077440][ T5068] [ 74.077440][ T5068] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 74.087841][ T5068] -> (&dev->event_lock#2){-...}-{2:2} { [ 74.093602][ T5068] IN-HARDIRQ-W at: [ 74.097754][ T5068] lock_acquire+0x1e3/0x530 [ 74.104264][ T5068] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.111553][ T5068] input_event+0x91/0xd0 [ 74.117798][ T5068] psmouse_report_standard_packet+0x54/0x200 [ 74.125781][ T5068] psmouse_process_byte+0x48c/0x680 [ 74.132987][ T5068] psmouse_handle_byte+0x4b/0x4c0 [ 74.140014][ T5068] ps2_interrupt+0x17e/0x8e0 [ 74.146609][ T5068] serio_interrupt+0x92/0x140 [ 74.153290][ T5068] i8042_interrupt+0x375/0x770 [ 74.160061][ T5068] __handle_irq_event_percpu+0x28b/0xa30 [ 74.167697][ T5068] handle_irq_event+0x89/0x1f0 [ 74.174462][ T5068] handle_edge_irq+0x25f/0xc20 [ 74.181222][ T5068] __common_interrupt+0x13a/0x230 [ 74.188250][ T5068] common_interrupt+0xa5/0xd0 [ 74.194927][ T5068] asm_common_interrupt+0x26/0x40 [ 74.201963][ T5068] do_exit+0x1cb3/0x2740 [ 74.208211][ T5068] call_usermodehelper_exec_async+0x379/0x380 [ 74.216290][ T5068] ret_from_fork+0x4d/0x80 [ 74.222714][ T5068] ret_from_fork_asm+0x1b/0x30 [ 74.229487][ T5068] INITIAL USE at: [ 74.233556][ T5068] lock_acquire+0x1e3/0x530 [ 74.239986][ T5068] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.247190][ T5068] input_inject_event+0xc5/0x340 [ 74.254038][ T5068] led_trigger_event+0x11c/0x1e0 [ 74.260895][ T5068] kbd_led_trigger_activate+0xbd/0x100 [ 74.268279][ T5068] led_trigger_set+0x543/0x950 [ 74.274960][ T5068] led_trigger_set_default+0x1ca/0x200 [ 74.282337][ T5068] led_classdev_register_ext+0x6df/0x8f0 [ 74.289887][ T5068] input_leds_connect+0x497/0x640 [ 74.296828][ T5068] input_register_device+0xcfc/0x1090 [ 74.304115][ T5068] atkbd_connect+0x752/0xa00 [ 74.310623][ T5068] serio_driver_probe+0x81/0xa0 [ 74.317390][ T5068] really_probe+0x2a0/0xc50 [ 74.323809][ T5068] __driver_probe_device+0x1a2/0x3e0 [ 74.331012][ T5068] driver_probe_device+0x50/0x430 [ 74.337950][ T5068] __driver_attach+0x45f/0x710 [ 74.344631][ T5068] bus_for_each_dev+0x23b/0x2b0 [ 74.351401][ T5068] serio_handle_event+0x1c7/0x920 [ 74.358342][ T5068] process_scheduled_works+0x915/0x1420 [ 74.365810][ T5068] worker_thread+0xa5f/0x1000 [ 74.372413][ T5068] kthread+0x2f1/0x390 [ 74.378394][ T5068] ret_from_fork+0x4d/0x80 [ 74.384733][ T5068] ret_from_fork_asm+0x1b/0x30 [ 74.391419][ T5068] } [ 74.394085][ T5068] ... key at: [] input_allocate_device.__key.5+0x0/0x20 [ 74.403299][ T5068] -> (&client->buffer_lock){....}-{2:2} { [ 74.409134][ T5068] INITIAL USE at: [ 74.413113][ T5068] lock_acquire+0x1e3/0x530 [ 74.419364][ T5068] _raw_spin_lock+0x2e/0x40 [ 74.425698][ T5068] evdev_pass_values+0xf2/0xad0 [ 74.432294][ T5068] evdev_events+0x1c2/0x300 [ 74.438543][ T5068] input_pass_values+0x84f/0x1200 [ 74.445327][ T5068] input_event_dispose+0x36c/0x650 [ 74.452176][ T5068] input_handle_event+0xa71/0xbe0 [ 74.458938][ T5068] input_inject_event+0x22f/0x340 [ 74.465702][ T5068] evdev_write+0x670/0x7c0 [ 74.471862][ T5068] vfs_write+0x2a6/0xcb0 [ 74.477856][ T5068] ksys_write+0x1a0/0x2c0 [ 74.483934][ T5068] do_syscall_64+0xfb/0x240 [ 74.490185][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 74.497828][ T5068] } [ 74.500410][ T5068] ... key at: [] evdev_open.__key.24+0x0/0x20 [ 74.508652][ T5068] ... acquired at: [ 74.512536][ T5068] lock_acquire+0x1e3/0x530 [ 74.517225][ T5068] _raw_spin_lock+0x2e/0x40 [ 74.521910][ T5068] evdev_pass_values+0xf2/0xad0 [ 74.526941][ T5068] evdev_events+0x1c2/0x300 [ 74.531623][ T5068] input_pass_values+0x84f/0x1200 [ 74.536825][ T5068] input_event_dispose+0x36c/0x650 [ 74.542109][ T5068] input_handle_event+0xa71/0xbe0 [ 74.547305][ T5068] input_inject_event+0x22f/0x340 [ 74.552501][ T5068] evdev_write+0x670/0x7c0 [ 74.557100][ T5068] vfs_write+0x2a6/0xcb0 [ 74.561528][ T5068] ksys_write+0x1a0/0x2c0 [ 74.566039][ T5068] do_syscall_64+0xfb/0x240 [ 74.570730][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 74.576815][ T5068] [ 74.579132][ T5068] -> (&new->fa_lock){....}-{2:2} { [ 74.584269][ T5068] INITIAL READ USE at: [ 74.588594][ T5068] lock_acquire+0x1e3/0x530 [ 74.595112][ T5068] _raw_read_lock_irqsave+0xdd/0x130 [ 74.602403][ T5068] kill_fasync+0x19e/0x4d0 [ 74.608824][ T5068] evdev_pass_values+0x58a/0xad0 [ 74.615767][ T5068] evdev_events+0x1c2/0x300 [ 74.622273][ T5068] input_pass_values+0x84f/0x1200 [ 74.629301][ T5068] input_event_dispose+0x36c/0x650 [ 74.636440][ T5068] input_handle_event+0xa71/0xbe0 [ 74.643480][ T5068] input_inject_event+0x22f/0x340 [ 74.650506][ T5068] evdev_write+0x670/0x7c0 [ 74.656936][ T5068] vfs_write+0x2a6/0xcb0 [ 74.663188][ T5068] ksys_write+0x1a0/0x2c0 [ 74.669526][ T5068] do_syscall_64+0xfb/0x240 [ 74.676045][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 74.684041][ T5068] } [ 74.686534][ T5068] ... key at: [] fasync_insert_entry.__key+0x0/0x20 [ 74.695226][ T5068] ... acquired at: [ 74.699025][ T5068] lock_acquire+0x1e3/0x530 [ 74.703712][ T5068] _raw_read_lock_irqsave+0xdd/0x130 [ 74.709181][ T5068] kill_fasync+0x19e/0x4d0 [ 74.713781][ T5068] evdev_pass_values+0x58a/0xad0 [ 74.718900][ T5068] evdev_events+0x1c2/0x300 [ 74.723587][ T5068] input_pass_values+0x84f/0x1200 [ 74.728794][ T5068] input_event_dispose+0x36c/0x650 [ 74.734082][ T5068] input_handle_event+0xa71/0xbe0 [ 74.739284][ T5068] input_inject_event+0x22f/0x340 [ 74.744484][ T5068] evdev_write+0x670/0x7c0 [ 74.749084][ T5068] vfs_write+0x2a6/0xcb0 [ 74.753510][ T5068] ksys_write+0x1a0/0x2c0 [ 74.758024][ T5068] do_syscall_64+0xfb/0x240 [ 74.762710][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 74.768789][ T5068] [ 74.771106][ T5068] [ 74.771106][ T5068] the dependencies between the lock to be acquired [ 74.771117][ T5068] and HARDIRQ-irq-unsafe lock: [ 74.784630][ T5068] -> (tasklist_lock){.+.?}-{2:2} { [ 74.789859][ T5068] HARDIRQ-ON-R at: [ 74.793924][ T5068] lock_acquire+0x1e3/0x530 [ 74.800264][ T5068] _raw_read_lock+0x36/0x50 [ 74.806598][ T5068] __do_wait+0x12d/0x840 [ 74.812673][ T5068] do_wait+0x1d8/0x540 [ 74.818578][ T5068] kernel_wait+0xe9/0x240 [ 74.824740][ T5068] call_usermodehelper_exec_work+0xbd/0x230 [ 74.832471][ T5068] process_scheduled_works+0x915/0x1420 [ 74.839853][ T5068] worker_thread+0xa5f/0x1000 [ 74.846368][ T5068] kthread+0x2f1/0x390 [ 74.852262][ T5068] ret_from_fork+0x4d/0x80 [ 74.858515][ T5068] ret_from_fork_asm+0x1b/0x30 [ 74.865119][ T5068] IN-SOFTIRQ-R at: [ 74.869185][ T5068] lock_acquire+0x1e3/0x530 [ 74.875521][ T5068] _raw_read_lock+0x36/0x50 [ 74.881860][ T5068] send_sigurg+0xee/0x3c0 [ 74.888022][ T5068] sk_send_sigurg+0x6e/0xc0 [ 74.894365][ T5068] tcp_check_urg+0x207/0x740 [ 74.900795][ T5068] tcp_urg+0x15c/0x450 [ 74.906693][ T5068] tcp_rcv_established+0xf88/0x1fd0 [ 74.913722][ T5068] tcp_v6_do_rcv+0xa24/0x1310 [ 74.920314][ T5068] tcp_v6_rcv+0x2968/0x3220 [ 74.926649][ T5068] ip6_protocol_deliver_rcu+0xb27/0x1360 [ 74.934110][ T5068] ip6_input_finish+0x186/0x2d0 [ 74.940795][ T5068] NF_HOOK+0x3a6/0x450 [ 74.946693][ T5068] NF_HOOK+0x3a6/0x450 [ 74.952592][ T5068] __netif_receive_skb+0x1ea/0x6a0 [ 74.959537][ T5068] process_backlog+0x385/0x760 [ 74.966140][ T5068] __napi_poll+0xcd/0x490 [ 74.972300][ T5068] net_rx_action+0x78b/0x1010 [ 74.978811][ T5068] __do_softirq+0x2bd/0x942 [ 74.985150][ T5068] do_softirq+0x11b/0x1e0 [ 74.991319][ T5068] __local_bh_enable_ip+0x1bb/0x200 [ 74.998352][ T5068] sk_stream_wait_memory+0x761/0xfa0 [ 75.005470][ T5068] tcp_sendmsg_locked+0x1dbf/0x4d20 [ 75.012501][ T5068] tcp_sendmsg+0x30/0x50 [ 75.018583][ T5068] __sock_sendmsg+0xef/0x270 [ 75.025014][ T5068] __sys_sendto+0x3a4/0x4f0 [ 75.031345][ T5068] __x64_sys_sendto+0xde/0x100 [ 75.037935][ T5068] do_syscall_64+0xfb/0x240 [ 75.044273][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.052006][ T5068] SOFTIRQ-ON-R at: [ 75.056073][ T5068] lock_acquire+0x1e3/0x530 [ 75.062413][ T5068] _raw_read_lock+0x36/0x50 [ 75.068750][ T5068] __do_wait+0x12d/0x840 [ 75.074824][ T5068] do_wait+0x1d8/0x540 [ 75.080725][ T5068] kernel_wait+0xe9/0x240 [ 75.086889][ T5068] call_usermodehelper_exec_work+0xbd/0x230 [ 75.094623][ T5068] process_scheduled_works+0x915/0x1420 [ 75.102005][ T5068] worker_thread+0xa5f/0x1000 [ 75.108521][ T5068] kthread+0x2f1/0x390 [ 75.114420][ T5068] ret_from_fork+0x4d/0x80 [ 75.120672][ T5068] ret_from_fork_asm+0x1b/0x30 [ 75.127275][ T5068] INITIAL USE at: [ 75.131253][ T5068] lock_acquire+0x1e3/0x530 [ 75.137506][ T5068] _raw_write_lock_irq+0xd3/0x120 [ 75.144281][ T5068] copy_process+0x2837/0x3fc0 [ 75.150694][ T5068] kernel_clone+0x21d/0x8d0 [ 75.156936][ T5068] user_mode_thread+0x132/0x1a0 [ 75.163529][ T5068] rest_init+0x27/0x300 [ 75.169427][ T5068] arch_call_rest_init+0xe/0x10 [ 75.176026][ T5068] start_kernel+0x474/0x500 [ 75.182279][ T5068] x86_64_start_reservations+0x2a/0x30 [ 75.189487][ T5068] x86_64_start_kernel+0x99/0xa0 [ 75.196175][ T5068] secondary_startup_64_no_verify+0x171/0x17b [ 75.203990][ T5068] INITIAL READ USE at: [ 75.208430][ T5068] lock_acquire+0x1e3/0x530 [ 75.215136][ T5068] _raw_read_lock+0x36/0x50 [ 75.221820][ T5068] __do_wait+0x12d/0x840 [ 75.228254][ T5068] do_wait+0x1d8/0x540 [ 75.234508][ T5068] kernel_wait+0xe9/0x240 [ 75.241021][ T5068] call_usermodehelper_exec_work+0xbd/0x230 [ 75.249102][ T5068] process_scheduled_works+0x915/0x1420 [ 75.256834][ T5068] worker_thread+0xa5f/0x1000 [ 75.263696][ T5068] kthread+0x2f1/0x390 [ 75.269940][ T5068] ret_from_fork+0x4d/0x80 [ 75.276539][ T5068] ret_from_fork_asm+0x1b/0x30 [ 75.283496][ T5068] } [ 75.286079][ T5068] ... key at: [] tasklist_lock+0x18/0x40 [ 75.293899][ T5068] ... acquired at: [ 75.297783][ T5068] lock_acquire+0x1e3/0x530 [ 75.302472][ T5068] _raw_read_lock+0x36/0x50 [ 75.307160][ T5068] send_sigurg+0xee/0x3c0 [ 75.311668][ T5068] sk_send_sigurg+0x6e/0xc0 [ 75.316369][ T5068] tcp_check_urg+0x207/0x740 [ 75.321145][ T5068] tcp_urg+0x15c/0x450 [ 75.325393][ T5068] tcp_rcv_established+0xf88/0x1fd0 [ 75.330770][ T5068] tcp_v6_do_rcv+0xa24/0x1310 [ 75.335626][ T5068] __release_sock+0x1c8/0x350 [ 75.340488][ T5068] release_sock+0x61/0x1f0 [ 75.345080][ T5068] sk_stream_wait_memory+0x761/0xfa0 [ 75.350551][ T5068] tcp_sendmsg_locked+0x1dbf/0x4d20 [ 75.355950][ T5068] tcp_sendmsg+0x30/0x50 [ 75.360373][ T5068] __sock_sendmsg+0xef/0x270 [ 75.365147][ T5068] __sys_sendto+0x3a4/0x4f0 [ 75.369826][ T5068] __x64_sys_sendto+0xde/0x100 [ 75.374764][ T5068] do_syscall_64+0xfb/0x240 [ 75.379454][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.385534][ T5068] [ 75.387857][ T5068] -> (&f->f_owner.lock){...-}-{2:2} { [ 75.393258][ T5068] IN-SOFTIRQ-R at: [ 75.397234][ T5068] lock_acquire+0x1e3/0x530 [ 75.403400][ T5068] _raw_read_lock_irqsave+0xdd/0x130 [ 75.410345][ T5068] send_sigurg+0x29/0x3c0 [ 75.416331][ T5068] sk_send_sigurg+0x6e/0xc0 [ 75.422498][ T5068] tcp_check_urg+0x207/0x740 [ 75.428752][ T5068] tcp_urg+0x15c/0x450 [ 75.434476][ T5068] tcp_rcv_established+0xf88/0x1fd0 [ 75.441329][ T5068] tcp_v6_do_rcv+0xa24/0x1310 [ 75.447660][ T5068] tcp_v6_rcv+0x2968/0x3220 [ 75.453818][ T5068] ip6_protocol_deliver_rcu+0xb27/0x1360 [ 75.461107][ T5068] ip6_input_finish+0x186/0x2d0 [ 75.467611][ T5068] NF_HOOK+0x3a6/0x450 [ 75.473339][ T5068] NF_HOOK+0x3a6/0x450 [ 75.479062][ T5068] __netif_receive_skb+0x1ea/0x6a0 [ 75.485833][ T5068] process_backlog+0x385/0x760 [ 75.492261][ T5068] __napi_poll+0xcd/0x490 [ 75.498247][ T5068] net_rx_action+0x78b/0x1010 [ 75.504590][ T5068] __do_softirq+0x2bd/0x942 [ 75.510756][ T5068] do_softirq+0x11b/0x1e0 [ 75.516750][ T5068] __local_bh_enable_ip+0x1bb/0x200 [ 75.523610][ T5068] sk_stream_wait_memory+0x761/0xfa0 [ 75.530555][ T5068] tcp_sendmsg_locked+0x1dbf/0x4d20 [ 75.537419][ T5068] tcp_sendmsg+0x30/0x50 [ 75.543322][ T5068] __sock_sendmsg+0xef/0x270 [ 75.549581][ T5068] __sys_sendto+0x3a4/0x4f0 [ 75.555738][ T5068] __x64_sys_sendto+0xde/0x100 [ 75.562156][ T5068] do_syscall_64+0xfb/0x240 [ 75.568320][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.575881][ T5068] INITIAL USE at: [ 75.579774][ T5068] lock_acquire+0x1e3/0x530 [ 75.585852][ T5068] _raw_write_lock_irq+0xd3/0x120 [ 75.592454][ T5068] f_modown+0x38/0x340 [ 75.598092][ T5068] f_setown+0x14f/0x200 [ 75.603815][ T5068] do_fcntl+0x83e/0x1690 [ 75.609626][ T5068] __se_sys_fcntl+0xd2/0x1b0 [ 75.615786][ T5068] do_syscall_64+0xfb/0x240 [ 75.621865][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.629338][ T5068] INITIAL READ USE at: [ 75.633664][ T5068] lock_acquire+0x1e3/0x530 [ 75.640178][ T5068] _raw_read_lock_irqsave+0xdd/0x130 [ 75.647473][ T5068] send_sigurg+0x29/0x3c0 [ 75.653805][ T5068] sk_send_sigurg+0x6e/0xc0 [ 75.660331][ T5068] tcp_check_urg+0x207/0x740 [ 75.666940][ T5068] tcp_urg+0x15c/0x450 [ 75.673018][ T5068] tcp_rcv_established+0xf88/0x1fd0 [ 75.680233][ T5068] tcp_v6_do_rcv+0xa24/0x1310 [ 75.686914][ T5068] __release_sock+0x1c8/0x350 [ 75.693598][ T5068] release_sock+0x61/0x1f0 [ 75.700011][ T5068] sk_stream_wait_memory+0x761/0xfa0 [ 75.707305][ T5068] tcp_sendmsg_locked+0x1dbf/0x4d20 [ 75.714513][ T5068] tcp_sendmsg+0x30/0x50 [ 75.720767][ T5068] __sock_sendmsg+0xef/0x270 [ 75.727368][ T5068] __sys_sendto+0x3a4/0x4f0 [ 75.733875][ T5068] __x64_sys_sendto+0xde/0x100 [ 75.740636][ T5068] do_syscall_64+0xfb/0x240 [ 75.747152][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.755058][ T5068] } [ 75.757551][ T5068] ... key at: [] init_file.__key+0x0/0x20 [ 75.765368][ T5068] ... acquired at: [ 75.769163][ T5068] lock_acquire+0x1e3/0x530 [ 75.773850][ T5068] _raw_read_lock_irqsave+0xdd/0x130 [ 75.779320][ T5068] send_sigio+0x33/0x360 [ 75.783744][ T5068] kill_fasync+0x23a/0x4d0 [ 75.788339][ T5068] evdev_pass_values+0x58a/0xad0 [ 75.793459][ T5068] evdev_events+0x1c2/0x300 [ 75.798139][ T5068] input_pass_values+0x84f/0x1200 [ 75.803344][ T5068] input_event_dispose+0x36c/0x650 [ 75.808630][ T5068] input_handle_event+0xa71/0xbe0 [ 75.813826][ T5068] input_inject_event+0x22f/0x340 [ 75.819025][ T5068] evdev_write+0x670/0x7c0 [ 75.823624][ T5068] vfs_write+0x2a6/0xcb0 [ 75.828053][ T5068] ksys_write+0x1a0/0x2c0 [ 75.832572][ T5068] do_syscall_64+0xfb/0x240 [ 75.837258][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.843341][ T5068] [ 75.845658][ T5068] [ 75.845658][ T5068] stack backtrace: [ 75.851547][ T5068] CPU: 0 PID: 5068 Comm: syz-executor269 Not tainted 6.8.0-rc5-syzkaller-00329-gab0a97cffa0b #0 [ 75.861963][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 75.872018][ T5068] Call Trace: [ 75.875299][ T5068] [ 75.878231][ T5068] dump_stack_lvl+0x1e7/0x2e0 [ 75.882930][ T5068] ? __pfx_dump_stack_lvl+0x10/0x10 [ 75.888147][ T5068] ? __pfx__printk+0x10/0x10 [ 75.892749][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.897607][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.902460][ T5068] ? print_shortest_lock_dependencies+0xf2/0x160 [ 75.908807][ T5068] validate_chain+0x4dc5/0x58e0 [ 75.913684][ T5068] ? __pfx_validate_chain+0x10/0x10 [ 75.918888][ T5068] ? __pfx_validate_chain+0x10/0x10 [ 75.924094][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.928953][ T5068] ? stack_trace_save+0x117/0x1d0 [ 75.933985][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.938844][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.943697][ T5068] ? register_lock_class+0x102/0x980 [ 75.948999][ T5068] ? lockdep_unlock+0x169/0x300 [ 75.953859][ T5068] ? __pfx_register_lock_class+0x10/0x10 [ 75.959507][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.964361][ T5068] ? mark_lock+0x9a/0x350 [ 75.968693][ T5068] __lock_acquire+0x1345/0x1fd0 [ 75.973570][ T5068] lock_acquire+0x1e3/0x530 [ 75.978096][ T5068] ? send_sigio+0x33/0x360 [ 75.982520][ T5068] ? srso_return_thunk+0x5/0x5f [ 75.987378][ T5068] ? __pfx_lock_acquire+0x10/0x10 [ 75.992416][ T5068] ? __pfx_lock_acquire+0x10/0x10 [ 75.997455][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.002309][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.007164][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.012021][ T5068] _raw_read_lock_irqsave+0xdd/0x130 [ 76.017319][ T5068] ? send_sigio+0x33/0x360 [ 76.021744][ T5068] ? __pfx__raw_read_lock_irqsave+0x10/0x10 [ 76.027650][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.032506][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.037355][ T5068] ? _raw_read_lock_irqsave+0xe9/0x130 [ 76.042825][ T5068] ? __pfx__raw_read_lock_irqsave+0x10/0x10 [ 76.048732][ T5068] send_sigio+0x33/0x360 [ 76.052992][ T5068] kill_fasync+0x23a/0x4d0 [ 76.057434][ T5068] ? kill_fasync+0x55/0x4d0 [ 76.061950][ T5068] evdev_pass_values+0x58a/0xad0 [ 76.066906][ T5068] ? evdev_pass_values+0x5e1/0xad0 [ 76.072032][ T5068] evdev_events+0x1c2/0x300 [ 76.076547][ T5068] ? evdev_events+0x6f/0x300 [ 76.081148][ T5068] ? __pfx_evdev_events+0x10/0x10 [ 76.086184][ T5068] input_pass_values+0x84f/0x1200 [ 76.091218][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.096077][ T5068] ? input_pass_values+0x9d/0x1200 [ 76.101197][ T5068] input_event_dispose+0x36c/0x650 [ 76.106319][ T5068] input_handle_event+0xa71/0xbe0 [ 76.111347][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.116201][ T5068] ? _raw_spin_lock_irqsave+0xe1/0x120 [ 76.121668][ T5068] ? __pfx_input_handle_event+0x10/0x10 [ 76.127218][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.132079][ T5068] input_inject_event+0x22f/0x340 [ 76.137105][ T5068] ? input_inject_event+0xd5/0x340 [ 76.142221][ T5068] evdev_write+0x670/0x7c0 [ 76.146652][ T5068] ? __pfx_evdev_write+0x10/0x10 [ 76.151603][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.156455][ T5068] ? security_file_permission+0x7f/0xa0 [ 76.162017][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.166870][ T5068] ? rw_verify_area+0x1d2/0x580 [ 76.171730][ T5068] ? __pfx_evdev_write+0x10/0x10 [ 76.176676][ T5068] vfs_write+0x2a6/0xcb0 [ 76.180928][ T5068] ? __pfx_lock_release+0x10/0x10 [ 76.185971][ T5068] ? __pfx_vfs_write+0x10/0x10 [ 76.190745][ T5068] ? __fget_files+0x28/0x470 [ 76.195355][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.200297][ T5068] ? __fget_files+0x3f4/0x470 [ 76.204991][ T5068] ? __fget_files+0x28/0x470 [ 76.209600][ T5068] ? lockdep_hardirqs_on+0x98/0x140 [ 76.214813][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.219663][ T5068] ? __fdget_pos+0x1a1/0x320 [ 76.224257][ T5068] ksys_write+0x1a0/0x2c0 [ 76.228608][ T5068] ? __pfx_ksys_write+0x10/0x10 [ 76.233469][ T5068] ? do_syscall_64+0x108/0x240 [ 76.238257][ T5068] ? srso_return_thunk+0x5/0x5f [ 76.243116][ T5068] ? syscall_trace_enter+0x5e/0x150 [ 76.248336][ T5068] do_syscall_64+0xfb/0x240 [ 76.252856][ T5068] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 76.258764][ T5068] RIP: 0033:0x7f3c53cbf079 [ 76.263180][ T5068] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 76.282786][ T5068] RSP: 002b:00007f3c53c5d228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 76.291210][ T5068] RAX: ffffffffffffffda RBX: 00007f3c53d463f8 RCX: 00007f3c53cbf079 [pid 5066] futex(0x7f3c53d463fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5068] <... write resumed>) = 4200 [pid 5068] futex(0x7f3c53d463fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 76.299191][ T5068] RDX: 0000000000001068 RSI: 0000000020000040 RDI: 0000000000000005 [ 76.307170][ T5068] RBP: 00007f3c53d463f0 R08: 00007f3c53c5d6c0 R09: 00007f3c53c5d6c0 [ 76.315142][ T5068] R10: 00007f3c53c5d6c0 R11: 0000000000000246 R12: 00007f3c53d13018 [ 76.323117][ T5068] R13: 0100000000000000 R14: 00000000d0d0c2ac R15: 00007fff52ee7388 [ 76.331098][ T5068] [pid 5068] futex(0x7f3c53d463f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] exit_group(0) = ? [pid 5067] <... sendto resumed>) = ? [pid 5067] +++ exited with 0 +++ [pid 5068] <... futex resumed>) = ? [pid 5068] +++ exited with 0 +++ +++ exited with 0 +++