./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4247346426 <...> Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts. execve("./syz-executor4247346426", ["./syz-executor4247346426"], 0x7fff37d5d420 /* 10 vars */) = 0 brk(NULL) = 0x5555573c2000 brk(0x5555573c2d40) = 0x5555573c2d40 arch_prctl(ARCH_SET_FS, 0x5555573c23c0) = 0 set_tid_address(0x5555573c2690) = 5068 set_robust_list(0x5555573c26a0, 24) = 0 rseq(0x5555573c2ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4247346426", 4096) = 28 getrandom("\x56\x0b\xbd\x88\xe8\x5e\xb1\xcb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555573c2d40 brk(0x5555573e3d40) = 0x5555573e3d40 brk(0x5555573e4000) = 0x5555573e4000 mprotect(0x7f746c461000, 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(0x7f746c4673ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f746c405f20, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f746c3f75a0}, 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) = 0x7f746c37f000 mprotect(0x7f746c380000, 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=0x7f746c39f990, parent_tid=0x7f746c39f990, exit_signal=0, stack=0x7f746c37f000, stack_size=0x20300, tls=0x7f746c39f6c0}./strace-static-x86_64: Process 5069 attached => {parent_tid=[5069]}, 88) = 5069 [pid 5069] rseq(0x7f746c39ffe0, 0x20, 0, 0x53053053 [pid 5068] rt_sigprocmask(SIG_SETMASK, [], [pid 5069] <... rseq resumed>) = 0 [pid 5068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] set_robust_list(0x7f746c39f9a0, 24 [pid 5068] futex(0x7f746c4673e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5068] <... futex resumed>) = 0 [pid 5069] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] futex(0x7f746c4673ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5069] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 [pid 5069] futex(0x7f746c4673ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5069] futex(0x7f746c4673e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f746c4673e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 0 [pid 5068] <... futex resumed>) = 1 [pid 5069] 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 [pid 5068] futex(0x7f746c4673ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... bind resumed>) = 0 [pid 5069] futex(0x7f746c4673ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f746c4673e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5069] 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 5068] futex(0x7f746c4673ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... sendto resumed>) = -1 EINPROGRESS (Operation now in progress) [pid 5069] futex(0x7f746c4673ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f746c4673e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = 1 [pid 5068] <... futex resumed>) = 0 [pid 5069] fcntl(3, F_SETOWN, -1 [pid 5068] futex(0x7f746c4673ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... fcntl resumed>) = 0 [pid 5069] futex(0x7f746c4673ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5069] <... futex resumed>) = 1 [pid 5068] futex(0x7f746c4673e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] 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 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f746c4673ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5068] futex(0x7f746c4673fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f746c35e000 [pid 5068] mprotect(0x7f746c35f000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5068] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5068] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f746c37e990, parent_tid=0x7f746c37e990, exit_signal=0, stack=0x7f746c35e000, stack_size=0x20300, tls=0x7f746c37e6c0}./strace-static-x86_64: Process 5070 attached [pid 5070] rseq(0x7f746c37efe0, 0x20, 0, 0x53053053 [pid 5068] <... clone3 resumed> => {parent_tid=[5070]}, 88) = 5070 [pid 5070] <... rseq resumed>) = 0 [pid 5068] rt_sigprocmask(SIG_SETMASK, [], [pid 5070] set_robust_list(0x7f746c37e9a0, 24 [pid 5068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5068] futex(0x7f746c4673f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] rt_sigprocmask(SIG_SETMASK, [], [pid 5068] <... futex resumed>) = 0 [pid 5070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5068] futex(0x7f746c4673fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] ioctl(-1, EVIOCSFF, {type=0 /* FF_??? */, id=0, direction=0, ...}) = -1 EBADF (Bad file descriptor) [pid 5070] futex(0x7f746c4673fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5068] futex(0x7f746c4673f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "/dev/input/event0", O_WRONLY|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_NOFOLLOW|FASYNC|0x800000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f746c4673fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 4 [pid 5070] futex(0x7f746c4673fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5068] futex(0x7f746c4673f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5068] futex(0x7f746c4673fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] openat(AT_FDCWD, "/dev/input/event0", O_RDONLY) = 5 [pid 5070] futex(0x7f746c4673fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5068] futex(0x7f746c4673f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f746c4673fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] ioctl(5, FIOASYNC, [33554442]) = 0 [pid 5070] futex(0x7f746c4673fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = 0 [pid 5070] <... futex resumed>) = 1 [pid 5068] futex(0x7f746c4673f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5068] futex(0x7f746c4673fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 54.782885][ T5070] [ 54.785239][ T5070] ===================================================== [ 54.792195][ T5070] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 54.799624][ T5070] 6.7.0-rc7-syzkaller-00016-gf5837722ffec #0 Not tainted [ 54.806612][ T5070] ----------------------------------------------------- [ 54.813515][ T5070] syz-executor424/5070 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 54.821554][ T5070] ffff888017247c98 (&f->f_owner.lock){...-}-{2:2}, at: send_sigio+0x28/0x3c0 [ 54.830328][ T5070] [ 54.830328][ T5070] and this task is already holding: [ 54.837669][ T5070] ffff88801a398018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x138/0x4f0 [ 54.846359][ T5070] which would create a new lock dependency: [ 54.852227][ T5070] (&new->fa_lock){....}-{2:2} -> (&f->f_owner.lock){...-}-{2:2} [ 54.859957][ T5070] [ 54.859957][ T5070] but this new dependency connects a HARDIRQ-irq-safe lock: [ 54.869389][ T5070] (&dev->event_lock#2){-...}-{2:2} [ 54.869412][ T5070] [ 54.869412][ T5070] ... which became HARDIRQ-irq-safe at: [ 54.882273][ T5070] lock_acquire+0x1ae/0x520 [ 54.886858][ T5070] _raw_spin_lock_irqsave+0x3a/0x50 [ 54.892138][ T5070] input_event+0x70/0xa0 [ 54.896461][ T5070] psmouse_report_standard_buttons+0x30/0x80 [ 54.902517][ T5070] psmouse_process_byte+0x39c/0x8a0 [ 54.907794][ T5070] psmouse_handle_byte+0x41/0x560 [ 54.912888][ T5070] psmouse_receive_byte+0x243/0xe10 [ 54.918155][ T5070] ps2_interrupt+0x1fe/0x5a0 [ 54.922815][ T5070] serio_interrupt+0x8d/0x150 [ 54.927570][ T5070] i8042_interrupt+0x3f2/0x8a0 [ 54.932408][ T5070] __handle_irq_event_percpu+0x22a/0x750 [ 54.938119][ T5070] handle_irq_event+0xab/0x1e0 [ 54.943017][ T5070] handle_edge_irq+0x261/0xcf0 [ 54.947863][ T5070] __common_interrupt+0xdb/0x240 [ 54.952946][ T5070] common_interrupt+0xab/0xd0 [ 54.957706][ T5070] asm_common_interrupt+0x26/0x40 [ 54.962811][ T5070] _raw_spin_unlock_irqrestore+0x31/0x70 [ 54.968524][ T5070] i8042_aux_write+0x11a/0x180 [ 54.973429][ T5070] ps2_do_sendbyte+0x264/0x6e0 [ 54.978273][ T5070] ps2_sendbyte+0x59/0x140 [ 54.982769][ T5070] cypress_ps2_sendbyte+0x2e/0x160 [ 54.987957][ T5070] cypress_send_ext_cmd+0x1e3/0x8c0 [ 54.993232][ T5070] cypress_detect+0x8c/0x1a0 [ 54.997898][ T5070] psmouse_try_protocol+0x214/0x370 [ 55.003167][ T5070] psmouse_extensions+0x616/0x960 [ 55.008267][ T5070] psmouse_switch_protocol+0x528/0x740 [ 55.013797][ T5070] psmouse_connect+0x5cc/0xf70 [ 55.018634][ T5070] serio_driver_probe+0x71/0xa0 [ 55.023560][ T5070] really_probe+0x234/0xc90 [ 55.028141][ T5070] __driver_probe_device+0x1de/0x4b0 [ 55.033504][ T5070] driver_probe_device+0x4c/0x1a0 [ 55.038609][ T5070] __device_attach_driver+0x1d4/0x300 [ 55.044067][ T5070] bus_for_each_drv+0x157/0x1d0 [ 55.048999][ T5070] __device_attach+0x1e8/0x4b0 [ 55.053847][ T5070] bus_probe_device+0x17c/0x1c0 [ 55.058952][ T5070] device_add+0x117e/0x1aa0 [ 55.063538][ T5070] serio_handle_event+0x63b/0xa90 [ 55.068649][ T5070] process_one_work+0x886/0x15d0 [ 55.073665][ T5070] worker_thread+0x8b9/0x1290 [ 55.078506][ T5070] kthread+0x2c6/0x3a0 [ 55.082650][ T5070] ret_from_fork+0x45/0x80 [ 55.087140][ T5070] ret_from_fork_asm+0x11/0x20 [ 55.091979][ T5070] [ 55.091979][ T5070] to a HARDIRQ-irq-unsafe lock: [ 55.098976][ T5070] (tasklist_lock){.+.?}-{2:2} [ 55.098995][ T5070] [ 55.098995][ T5070] ... which became HARDIRQ-irq-unsafe at: [ 55.111593][ T5070] ... [ 55.111598][ T5070] lock_acquire+0x1ae/0x520 [ 55.118749][ T5070] _raw_read_lock+0x5f/0x70 [ 55.123323][ T5070] __do_wait+0x105/0x890 [ 55.127636][ T5070] do_wait+0x212/0x530 [ 55.131774][ T5070] kernel_wait+0xa0/0x150 [ 55.136173][ T5070] call_usermodehelper_exec_work+0xf1/0x170 [ 55.142136][ T5070] process_one_work+0x886/0x15d0 [ 55.147148][ T5070] worker_thread+0x8b9/0x1290 [ 55.151897][ T5070] kthread+0x2c6/0x3a0 [ 55.156040][ T5070] ret_from_fork+0x45/0x80 [ 55.160532][ T5070] ret_from_fork_asm+0x11/0x20 [ 55.165374][ T5070] [ 55.165374][ T5070] other info that might help us debug this: [ 55.165374][ T5070] [ 55.175582][ T5070] Chain exists of: [ 55.175582][ T5070] &dev->event_lock#2 --> &new->fa_lock --> tasklist_lock [ 55.175582][ T5070] [ 55.188511][ T5070] Possible interrupt unsafe locking scenario: [ 55.188511][ T5070] [ 55.196806][ T5070] CPU0 CPU1 [ 55.202148][ T5070] ---- ---- [ 55.207494][ T5070] lock(tasklist_lock); [ 55.211718][ T5070] local_irq_disable(); [ 55.218451][ T5070] lock(&dev->event_lock#2); [ 55.225634][ T5070] lock(&new->fa_lock); [ 55.232379][ T5070] [ 55.235815][ T5070] lock(&dev->event_lock#2); [ 55.240653][ T5070] [ 55.240653][ T5070] *** DEADLOCK *** [ 55.240653][ T5070] [ 55.248777][ T5070] 8 locks held by syz-executor424/5070: [ 55.254299][ T5070] #0: ffff888143b61110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x201/0x750 [ 55.263426][ T5070] #1: ffff8881400c2230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xa4/0x370 [ 55.273508][ T5070] #2: ffffffff8cfab760 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0xca/0x370 [ 55.283157][ T5070] #3: ffffffff8cfab760 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0xb2/0x840 [ 55.292745][ T5070] #4: ffffffff8cfab760 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x87/0x390 [ 55.301875][ T5070] #5: ffff888141b83028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0x10e/0x9b0 [ 55.312128][ T5070] #6: ffffffff8cfab760 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x6d/0x4f0 [ 55.321171][ T5070] #7: ffff88801a398018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x138/0x4f0 [ 55.330304][ T5070] [ 55.330304][ T5070] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 55.340691][ T5070] -> (&dev->event_lock#2){-...}-{2:2} { [ 55.346410][ T5070] IN-HARDIRQ-W at: [ 55.350544][ T5070] lock_acquire+0x1ae/0x520 [ 55.357035][ T5070] _raw_spin_lock_irqsave+0x3a/0x50 [ 55.364218][ T5070] input_event+0x70/0xa0 [ 55.370444][ T5070] psmouse_report_standard_buttons+0x30/0x80 [ 55.378407][ T5070] psmouse_process_byte+0x39c/0x8a0 [ 55.385586][ T5070] psmouse_handle_byte+0x41/0x560 [ 55.392592][ T5070] psmouse_receive_byte+0x243/0xe10 [ 55.399770][ T5070] ps2_interrupt+0x1fe/0x5a0 [ 55.406340][ T5070] serio_interrupt+0x8d/0x150 [ 55.413001][ T5070] i8042_interrupt+0x3f2/0x8a0 [ 55.419751][ T5070] __handle_irq_event_percpu+0x22a/0x750 [ 55.427368][ T5070] handle_irq_event+0xab/0x1e0 [ 55.434116][ T5070] handle_edge_irq+0x261/0xcf0 [ 55.440867][ T5070] __common_interrupt+0xdb/0x240 [ 55.447786][ T5070] common_interrupt+0xab/0xd0 [ 55.454450][ T5070] asm_common_interrupt+0x26/0x40 [ 55.461459][ T5070] _raw_spin_unlock_irqrestore+0x31/0x70 [ 55.469073][ T5070] i8042_aux_write+0x11a/0x180 [ 55.475822][ T5070] ps2_do_sendbyte+0x264/0x6e0 [ 55.482565][ T5070] ps2_sendbyte+0x59/0x140 [ 55.488958][ T5070] cypress_ps2_sendbyte+0x2e/0x160 [ 55.496054][ T5070] cypress_send_ext_cmd+0x1e3/0x8c0 [ 55.503241][ T5070] cypress_detect+0x8c/0x1a0 [ 55.509820][ T5070] psmouse_try_protocol+0x214/0x370 [ 55.516999][ T5070] psmouse_extensions+0x616/0x960 [ 55.524003][ T5070] psmouse_switch_protocol+0x528/0x740 [ 55.531444][ T5070] psmouse_connect+0x5cc/0xf70 [ 55.538189][ T5070] serio_driver_probe+0x71/0xa0 [ 55.545027][ T5070] really_probe+0x234/0xc90 [ 55.551517][ T5070] __driver_probe_device+0x1de/0x4b0 [ 55.558792][ T5070] driver_probe_device+0x4c/0x1a0 [ 55.565805][ T5070] __device_attach_driver+0x1d4/0x300 [ 55.573166][ T5070] bus_for_each_drv+0x157/0x1d0 [ 55.580004][ T5070] __device_attach+0x1e8/0x4b0 [ 55.586752][ T5070] bus_probe_device+0x17c/0x1c0 [ 55.593587][ T5070] device_add+0x117e/0x1aa0 [ 55.600077][ T5070] serio_handle_event+0x63b/0xa90 [ 55.607086][ T5070] process_one_work+0x886/0x15d0 [ 55.614010][ T5070] worker_thread+0x8b9/0x1290 [ 55.620672][ T5070] kthread+0x2c6/0x3a0 [ 55.626723][ T5070] ret_from_fork+0x45/0x80 [ 55.633124][ T5070] ret_from_fork_asm+0x11/0x20 [ 55.639876][ T5070] INITIAL USE at: [ 55.643926][ T5070] lock_acquire+0x1ae/0x520 [ 55.650335][ T5070] _raw_spin_lock_irqsave+0x3a/0x50 [ 55.657433][ T5070] input_event+0x70/0xa0 [ 55.663570][ T5070] psmouse_report_standard_buttons+0x30/0x80 [ 55.671449][ T5070] psmouse_process_byte+0x39c/0x8a0 [ 55.678544][ T5070] psmouse_handle_byte+0x41/0x560 [ 55.685551][ T5070] psmouse_receive_byte+0x243/0xe10 [ 55.692647][ T5070] ps2_interrupt+0x1fe/0x5a0 [ 55.699132][ T5070] serio_interrupt+0x8d/0x150 [ 55.705711][ T5070] i8042_interrupt+0x3f2/0x8a0 [ 55.712376][ T5070] __handle_irq_event_percpu+0x22a/0x750 [ 55.719909][ T5070] handle_irq_event+0xab/0x1e0 [ 55.726573][ T5070] handle_edge_irq+0x261/0xcf0 [ 55.733236][ T5070] __common_interrupt+0xdb/0x240 [ 55.740075][ T5070] common_interrupt+0xab/0xd0 [ 55.746652][ T5070] asm_common_interrupt+0x26/0x40 [ 55.753660][ T5070] _raw_spin_unlock_irqrestore+0x31/0x70 [ 55.761188][ T5070] i8042_aux_write+0x11a/0x180 [ 55.767852][ T5070] ps2_do_sendbyte+0x264/0x6e0 [ 55.774509][ T5070] ps2_sendbyte+0x59/0x140 [ 55.780817][ T5070] cypress_ps2_sendbyte+0x2e/0x160 [ 55.787829][ T5070] cypress_send_ext_cmd+0x1e3/0x8c0 [ 55.794926][ T5070] cypress_detect+0x8c/0x1a0 [ 55.801418][ T5070] psmouse_try_protocol+0x214/0x370 [ 55.808510][ T5070] psmouse_extensions+0x616/0x960 [ 55.815428][ T5070] psmouse_switch_protocol+0x528/0x740 [ 55.822783][ T5070] psmouse_connect+0x5cc/0xf70 [ 55.829444][ T5070] serio_driver_probe+0x71/0xa0 [ 55.836195][ T5070] really_probe+0x234/0xc90 [ 55.842597][ T5070] __driver_probe_device+0x1de/0x4b0 [ 55.849784][ T5070] driver_probe_device+0x4c/0x1a0 [ 55.856707][ T5070] __device_attach_driver+0x1d4/0x300 [ 55.863979][ T5070] bus_for_each_drv+0x157/0x1d0 [ 55.870736][ T5070] __device_attach+0x1e8/0x4b0 [ 55.877402][ T5070] bus_probe_device+0x17c/0x1c0 [ 55.884155][ T5070] device_add+0x117e/0x1aa0 [ 55.890559][ T5070] serio_handle_event+0x63b/0xa90 [ 55.897492][ T5070] process_one_work+0x886/0x15d0 [ 55.904335][ T5070] worker_thread+0x8b9/0x1290 [ 55.910913][ T5070] kthread+0x2c6/0x3a0 [ 55.916882][ T5070] ret_from_fork+0x45/0x80 [ 55.923197][ T5070] ret_from_fork_asm+0x11/0x20 [ 55.929865][ T5070] } [ 55.932526][ T5070] ... key at: [] __key.6+0x0/0x40 [ 55.939810][ T5070] -> (&client->buffer_lock){....}-{2:2} { [ 55.945614][ T5070] INITIAL USE at: [ 55.949578][ T5070] lock_acquire+0x1ae/0x520 [ 55.956333][ T5070] _raw_spin_lock+0x2e/0x40 [ 55.962567][ T5070] evdev_pass_values+0x10e/0x9b0 [ 55.969243][ T5070] evdev_events+0x1b7/0x390 [ 55.975477][ T5070] input_to_handler+0x29e/0x4c0 [ 55.982049][ T5070] input_pass_values+0x5c9/0x840 [ 55.988708][ T5070] input_event_dispose+0x377/0x630 [ 55.995544][ T5070] input_handle_event+0x11c/0xd80 [ 56.002294][ T5070] input_inject_event+0x1bb/0x370 [ 56.009040][ T5070] evdev_write+0x456/0x750 [ 56.015189][ T5070] vfs_write+0x2a4/0xdf0 [ 56.021158][ T5070] ksys_write+0x1f0/0x250 [ 56.027210][ T5070] do_syscall_64+0x40/0x110 [ 56.033449][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.041066][ T5070] } [ 56.043635][ T5070] ... key at: [] __key.3+0x0/0x40 [ 56.050819][ T5070] ... acquired at: [ 56.054687][ T5070] _raw_spin_lock+0x2e/0x40 [ 56.059351][ T5070] evdev_pass_values+0x10e/0x9b0 [ 56.064452][ T5070] evdev_events+0x1b7/0x390 [ 56.069189][ T5070] input_to_handler+0x29e/0x4c0 [ 56.074214][ T5070] input_pass_values+0x5c9/0x840 [ 56.079317][ T5070] input_event_dispose+0x377/0x630 [ 56.084595][ T5070] input_handle_event+0x11c/0xd80 [ 56.089792][ T5070] input_inject_event+0x1bb/0x370 [ 56.094979][ T5070] evdev_write+0x456/0x750 [ 56.099568][ T5070] vfs_write+0x2a4/0xdf0 [ 56.103974][ T5070] ksys_write+0x1f0/0x250 [ 56.108465][ T5070] do_syscall_64+0x40/0x110 [ 56.113137][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.119188][ T5070] [ 56.121496][ T5070] -> (&new->fa_lock){....}-{2:2} { [ 56.126613][ T5070] INITIAL READ USE at: [ 56.130921][ T5070] lock_acquire+0x1ae/0x520 [ 56.137417][ T5070] _raw_read_lock_irqsave+0x70/0x90 [ 56.144605][ T5070] kill_fasync+0x138/0x4f0 [ 56.151017][ T5070] evdev_pass_values+0x619/0x9b0 [ 56.158029][ T5070] evdev_events+0x1b7/0x390 [ 56.164519][ T5070] input_to_handler+0x29e/0x4c0 [ 56.171351][ T5070] input_pass_values+0x5c9/0x840 [ 56.178272][ T5070] input_event_dispose+0x377/0x630 [ 56.185369][ T5070] input_handle_event+0x11c/0xd80 [ 56.192377][ T5070] input_inject_event+0x1bb/0x370 [ 56.199387][ T5070] evdev_write+0x456/0x750 [ 56.205793][ T5070] vfs_write+0x2a4/0xdf0 [ 56.212018][ T5070] ksys_write+0x1f0/0x250 [ 56.218333][ T5070] do_syscall_64+0x40/0x110 [ 56.224825][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.232701][ T5070] } [ 56.235183][ T5070] ... key at: [] __key.0+0x0/0x40 [ 56.242281][ T5070] ... acquired at: [ 56.246064][ T5070] _raw_read_lock_irqsave+0x70/0x90 [ 56.251424][ T5070] kill_fasync+0x138/0x4f0 [ 56.256011][ T5070] evdev_pass_values+0x619/0x9b0 [ 56.261122][ T5070] evdev_events+0x1b7/0x390 [ 56.265962][ T5070] input_to_handler+0x29e/0x4c0 [ 56.270968][ T5070] input_pass_values+0x5c9/0x840 [ 56.276067][ T5070] input_event_dispose+0x377/0x630 [ 56.281341][ T5070] input_handle_event+0x11c/0xd80 [ 56.286523][ T5070] input_inject_event+0x1bb/0x370 [ 56.291709][ T5070] evdev_write+0x456/0x750 [ 56.296289][ T5070] vfs_write+0x2a4/0xdf0 [ 56.300688][ T5070] ksys_write+0x1f0/0x250 [ 56.305176][ T5070] do_syscall_64+0x40/0x110 [ 56.309842][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.315898][ T5070] [ 56.318231][ T5070] [ 56.318231][ T5070] the dependencies between the lock to be acquired [ 56.318237][ T5070] and HARDIRQ-irq-unsafe lock: [ 56.331727][ T5070] -> (tasklist_lock){.+.?}-{2:2} { [ 56.336922][ T5070] HARDIRQ-ON-R at: [ 56.340971][ T5070] lock_acquire+0x1ae/0x520 [ 56.347293][ T5070] _raw_read_lock+0x5f/0x70 [ 56.353608][ T5070] __do_wait+0x105/0x890 [ 56.359657][ T5070] do_wait+0x212/0x530 [ 56.365530][ T5070] kernel_wait+0xa0/0x150 [ 56.371669][ T5070] call_usermodehelper_exec_work+0xf1/0x170 [ 56.379373][ T5070] process_one_work+0x886/0x15d0 [ 56.386121][ T5070] worker_thread+0x8b9/0x1290 [ 56.392611][ T5070] kthread+0x2c6/0x3a0 [ 56.398492][ T5070] ret_from_fork+0x45/0x80 [ 56.404719][ T5070] ret_from_fork_asm+0x11/0x20 [ 56.411297][ T5070] IN-SOFTIRQ-R at: [ 56.415347][ T5070] lock_acquire+0x1ae/0x520 [ 56.421667][ T5070] _raw_read_lock+0x3a/0x70 [ 56.427980][ T5070] send_sigurg+0xb0/0xc30 [ 56.434123][ T5070] sk_send_sigurg+0x7a/0x370 [ 56.440523][ T5070] tcp_urg+0x348/0xb90 [ 56.446405][ T5070] tcp_rcv_established+0x8af/0x20e0 [ 56.453423][ T5070] tcp_v6_do_rcv+0x819/0x1640 [ 56.459920][ T5070] tcp_v6_rcv+0x3008/0x34e0 [ 56.466237][ T5070] ip6_protocol_deliver_rcu+0x170/0x13e0 [ 56.473686][ T5070] ip6_input_finish+0x14f/0x2f0 [ 56.480353][ T5070] ip6_input+0xa1/0xc0 [ 56.486232][ T5070] ipv6_rcv+0x24e/0x380 [ 56.492199][ T5070] __netif_receive_skb_one_core+0x115/0x180 [ 56.499907][ T5070] __netif_receive_skb+0x1f/0x1b0 [ 56.506744][ T5070] process_backlog+0x101/0x6b0 [ 56.513319][ T5070] __napi_poll.constprop.0+0xb4/0x540 [ 56.520502][ T5070] net_rx_action+0x956/0xe90 [ 56.526903][ T5070] __do_softirq+0x21a/0x8de [ 56.533216][ T5070] do_softirq+0xaa/0xe0 [ 56.539185][ T5070] __local_bh_enable_ip+0xfc/0x120 [ 56.546105][ T5070] sk_stream_wait_memory+0x65a/0x1010 [ 56.553287][ T5070] tcp_sendmsg_locked+0xa70/0x3460 [ 56.560209][ T5070] tcp_sendmsg+0x2e/0x40 [ 56.566263][ T5070] inet6_sendmsg+0x9d/0xe0 [ 56.572489][ T5070] __sock_sendmsg+0xd5/0x180 [ 56.578892][ T5070] __sys_sendto+0x255/0x340 [ 56.585208][ T5070] __x64_sys_sendto+0xe0/0x1b0 [ 56.591798][ T5070] do_syscall_64+0x40/0x110 [ 56.598116][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.605818][ T5070] SOFTIRQ-ON-R at: [ 56.609868][ T5070] lock_acquire+0x1ae/0x520 [ 56.616186][ T5070] _raw_read_lock+0x5f/0x70 [ 56.622499][ T5070] __do_wait+0x105/0x890 [ 56.628548][ T5070] do_wait+0x212/0x530 [ 56.634422][ T5070] kernel_wait+0xa0/0x150 [ 56.640562][ T5070] call_usermodehelper_exec_work+0xf1/0x170 [ 56.648266][ T5070] process_one_work+0x886/0x15d0 [ 56.655014][ T5070] worker_thread+0x8b9/0x1290 [ 56.661502][ T5070] kthread+0x2c6/0x3a0 [ 56.667381][ T5070] ret_from_fork+0x45/0x80 [ 56.673637][ T5070] ret_from_fork_asm+0x11/0x20 [ 56.680215][ T5070] INITIAL USE at: [ 56.684179][ T5070] lock_acquire+0x1ae/0x520 [ 56.690445][ T5070] _raw_write_lock_irq+0x36/0x50 [ 56.697108][ T5070] copy_process+0x4cfa/0x73f0 [ 56.703509][ T5070] kernel_clone+0xfd/0x930 [ 56.709650][ T5070] user_mode_thread+0xb4/0xf0 [ 56.716051][ T5070] rest_init+0x27/0x2b0 [ 56.722103][ T5070] arch_call_rest_init+0x13/0x30 [ 56.728772][ T5070] start_kernel+0x39f/0x480 [ 56.735004][ T5070] x86_64_start_reservations+0x18/0x30 [ 56.742190][ T5070] x86_64_start_kernel+0xb2/0xc0 [ 56.748849][ T5070] secondary_startup_64_no_verify+0x178/0x17b [ 56.756641][ T5070] INITIAL READ USE at: [ 56.761040][ T5070] lock_acquire+0x1ae/0x520 [ 56.767707][ T5070] _raw_read_lock+0x5f/0x70 [ 56.774367][ T5070] __do_wait+0x105/0x890 [ 56.780765][ T5070] do_wait+0x212/0x530 [ 56.786988][ T5070] kernel_wait+0xa0/0x150 [ 56.793482][ T5070] call_usermodehelper_exec_work+0xf1/0x170 [ 56.801542][ T5070] process_one_work+0x886/0x15d0 [ 56.808643][ T5070] worker_thread+0x8b9/0x1290 [ 56.815480][ T5070] kthread+0x2c6/0x3a0 [ 56.821704][ T5070] ret_from_fork+0x45/0x80 [ 56.828283][ T5070] ret_from_fork_asm+0x11/0x20 [ 56.835209][ T5070] } [ 56.837782][ T5070] ... key at: [] tasklist_lock+0x18/0x40 [ 56.845575][ T5070] ... acquired at: [ 56.849450][ T5070] _raw_read_lock+0x5f/0x70 [ 56.854118][ T5070] send_sigurg+0xb0/0xc30 [ 56.858613][ T5070] sk_send_sigurg+0x7a/0x370 [ 56.863365][ T5070] tcp_urg+0x348/0xb90 [ 56.867599][ T5070] tcp_rcv_established+0x8af/0x20e0 [ 56.872965][ T5070] tcp_v6_do_rcv+0x819/0x1640 [ 56.877809][ T5070] __release_sock+0x132/0x3b0 [ 56.882645][ T5070] release_sock+0x5a/0x1f0 [ 56.887219][ T5070] sk_stream_wait_memory+0x65a/0x1010 [ 56.892753][ T5070] tcp_sendmsg_locked+0xa70/0x3460 [ 56.898028][ T5070] tcp_sendmsg+0x2e/0x40 [ 56.902432][ T5070] inet6_sendmsg+0x9d/0xe0 [ 56.907010][ T5070] __sock_sendmsg+0xd5/0x180 [ 56.911763][ T5070] __sys_sendto+0x255/0x340 [ 56.916428][ T5070] __x64_sys_sendto+0xe0/0x1b0 [ 56.921363][ T5070] do_syscall_64+0x40/0x110 [ 56.926034][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.932085][ T5070] [ 56.934389][ T5070] -> (&f->f_owner.lock){...-}-{2:2} { [ 56.939758][ T5070] IN-SOFTIRQ-R at: [ 56.943720][ T5070] lock_acquire+0x1ae/0x520 [ 56.949869][ T5070] _raw_read_lock_irqsave+0x46/0x90 [ 56.956705][ T5070] send_sigurg+0x22/0xc30 [ 56.962678][ T5070] sk_send_sigurg+0x7a/0x370 [ 56.968908][ T5070] tcp_urg+0x348/0xb90 [ 56.974622][ T5070] tcp_rcv_established+0x8af/0x20e0 [ 56.981463][ T5070] tcp_v6_do_rcv+0x819/0x1640 [ 56.987781][ T5070] tcp_v6_rcv+0x3008/0x34e0 [ 56.993925][ T5070] ip6_protocol_deliver_rcu+0x170/0x13e0 [ 57.001202][ T5070] ip6_input_finish+0x14f/0x2f0 [ 57.007693][ T5070] ip6_input+0xa1/0xc0 [ 57.013402][ T5070] ipv6_rcv+0x24e/0x380 [ 57.019201][ T5070] __netif_receive_skb_one_core+0x115/0x180 [ 57.026742][ T5070] __netif_receive_skb+0x1f/0x1b0 [ 57.033415][ T5070] process_backlog+0x101/0x6b0 [ 57.039827][ T5070] __napi_poll.constprop.0+0xb4/0x540 [ 57.046840][ T5070] net_rx_action+0x956/0xe90 [ 57.053071][ T5070] __do_softirq+0x21a/0x8de [ 57.059214][ T5070] do_softirq+0xaa/0xe0 [ 57.065012][ T5070] __local_bh_enable_ip+0xfc/0x120 [ 57.071759][ T5070] sk_stream_wait_memory+0x65a/0x1010 [ 57.078767][ T5070] tcp_sendmsg_locked+0xa70/0x3460 [ 57.085516][ T5070] tcp_sendmsg+0x2e/0x40 [ 57.091397][ T5070] inet6_sendmsg+0x9d/0xe0 [ 57.097450][ T5070] __sock_sendmsg+0xd5/0x180 [ 57.103678][ T5070] __sys_sendto+0x255/0x340 [ 57.109821][ T5070] __x64_sys_sendto+0xe0/0x1b0 [ 57.116227][ T5070] do_syscall_64+0x40/0x110 [ 57.122369][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.129901][ T5070] INITIAL USE at: [ 57.133775][ T5070] lock_acquire+0x1ae/0x520 [ 57.139837][ T5070] _raw_write_lock_irq+0x36/0x50 [ 57.146327][ T5070] f_modown+0x2a/0x380 [ 57.151958][ T5070] f_setown+0xd4/0x2a0 [ 57.157587][ T5070] do_fcntl+0x11e8/0x1270 [ 57.163494][ T5070] __x64_sys_fcntl+0x16c/0x1e0 [ 57.169813][ T5070] do_syscall_64+0x40/0x110 [ 57.175869][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.183312][ T5070] INITIAL READ USE at: [ 57.187625][ T5070] lock_acquire+0x1ae/0x520 [ 57.194116][ T5070] _raw_read_lock_irqsave+0x70/0x90 [ 57.201300][ T5070] send_sigurg+0x22/0xc30 [ 57.207616][ T5070] sk_send_sigurg+0x7a/0x370 [ 57.214186][ T5070] tcp_urg+0x348/0xb90 [ 57.220241][ T5070] tcp_rcv_established+0x8af/0x20e0 [ 57.227492][ T5070] tcp_v6_do_rcv+0x819/0x1640 [ 57.234156][ T5070] __release_sock+0x132/0x3b0 [ 57.240819][ T5070] release_sock+0x5a/0x1f0 [ 57.247218][ T5070] sk_stream_wait_memory+0x65a/0x1010 [ 57.254577][ T5070] tcp_sendmsg_locked+0xa70/0x3460 [ 57.261676][ T5070] tcp_sendmsg+0x2e/0x40 [ 57.267903][ T5070] inet6_sendmsg+0x9d/0xe0 [ 57.274305][ T5070] __sock_sendmsg+0xd5/0x180 [ 57.280879][ T5070] __sys_sendto+0x255/0x340 [ 57.287370][ T5070] __x64_sys_sendto+0xe0/0x1b0 [ 57.294122][ T5070] do_syscall_64+0x40/0x110 [ 57.300609][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.308487][ T5070] } [ 57.310968][ T5070] ... key at: [] __key.5+0x0/0x40 [ 57.318066][ T5070] ... acquired at: [ 57.321847][ T5070] lock_acquire+0x1ae/0x520 [ 57.326519][ T5070] _raw_read_lock_irqsave+0x70/0x90 [ 57.331880][ T5070] send_sigio+0x28/0x3c0 [ 57.336286][ T5070] kill_fasync+0x1f6/0x4f0 [ 57.340868][ T5070] evdev_pass_values+0x619/0x9b0 [ 57.345972][ T5070] evdev_events+0x1b7/0x390 [ 57.350643][ T5070] input_to_handler+0x29e/0x4c0 [ 57.355653][ T5070] input_pass_values+0x5c9/0x840 [ 57.360752][ T5070] input_event_dispose+0x377/0x630 [ 57.366026][ T5070] input_handle_event+0x11c/0xd80 [ 57.371213][ T5070] input_inject_event+0x1bb/0x370 [ 57.376399][ T5070] evdev_write+0x456/0x750 [ 57.380981][ T5070] vfs_write+0x2a4/0xdf0 [ 57.385380][ T5070] ksys_write+0x1f0/0x250 [ 57.389870][ T5070] do_syscall_64+0x40/0x110 [ 57.394544][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.400596][ T5070] [ 57.402902][ T5070] [ 57.402902][ T5070] stack backtrace: [ 57.408768][ T5070] CPU: 0 PID: 5070 Comm: syz-executor424 Not tainted 6.7.0-rc7-syzkaller-00016-gf5837722ffec #0 [ 57.419163][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.429202][ T5070] Call Trace: [ 57.432474][ T5070] [ 57.435388][ T5070] dump_stack_lvl+0xd9/0x1b0 [ 57.439969][ T5070] check_irq_usage+0xe18/0x1470 [ 57.444813][ T5070] ? unwind_next_frame+0x51/0x2390 [ 57.449906][ T5070] ? __orc_find+0x104/0x130 [ 57.454392][ T5070] ? stack_access_ok+0xf9/0x270 [ 57.459228][ T5070] ? print_shortest_lock_dependencies_backwards+0x1b0/0x1b0 [ 57.466506][ T5070] ? hlock_conflict+0x58/0x200 [ 57.471260][ T5070] ? __bfs+0x2f8/0x660 [ 57.475318][ T5070] ? check_path.constprop.0+0x50/0x50 [ 57.480685][ T5070] ? lockdep_lock+0x1b5/0x200 [ 57.485353][ T5070] ? hlock_class+0x130/0x130 [ 57.489934][ T5070] ? __lock_acquire+0x2449/0x3b20 [ 57.494956][ T5070] __lock_acquire+0x2449/0x3b20 [ 57.499813][ T5070] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 57.505794][ T5070] lock_acquire+0x1ae/0x520 [ 57.510295][ T5070] ? send_sigio+0x28/0x3c0 [ 57.514705][ T5070] ? lock_sync+0x190/0x190 [ 57.519118][ T5070] ? lock_sync+0x190/0x190 [ 57.523532][ T5070] ? lock_sync+0x190/0x190 [ 57.527944][ T5070] _raw_read_lock_irqsave+0x70/0x90 [ 57.533131][ T5070] ? send_sigio+0x28/0x3c0 [ 57.537537][ T5070] send_sigio+0x28/0x3c0 [ 57.541774][ T5070] kill_fasync+0x1f6/0x4f0 [ 57.546180][ T5070] evdev_pass_values+0x619/0x9b0 [ 57.551113][ T5070] evdev_events+0x1b7/0x390 [ 57.555609][ T5070] ? evdev_connect+0x4c0/0x4c0 [ 57.560366][ T5070] input_to_handler+0x29e/0x4c0 [ 57.565201][ T5070] input_pass_values+0x5c9/0x840 [ 57.570130][ T5070] input_event_dispose+0x377/0x630 [ 57.575228][ T5070] input_handle_event+0x11c/0xd80 [ 57.580244][ T5070] input_inject_event+0x1bb/0x370 [ 57.585268][ T5070] evdev_write+0x456/0x750 [ 57.589681][ T5070] ? evdev_read+0xdf0/0xdf0 [ 57.594178][ T5070] ? bpf_lsm_file_permission+0x9/0x10 [ 57.599541][ T5070] ? security_file_permission+0x94/0x100 [ 57.605161][ T5070] vfs_write+0x2a4/0xdf0 [ 57.609393][ T5070] ? evdev_read+0xdf0/0xdf0 [ 57.613892][ T5070] ? recalc_sigpending_tsk+0x187/0x1d0 [ 57.619336][ T5070] ? kernel_write+0x6c0/0x6c0 [ 57.623998][ T5070] ? find_held_lock+0x2d/0x110 [ 57.628756][ T5070] ? __fget_files+0x1c6/0x340 [ 57.633419][ T5070] ? __fget_light+0xe6/0x260 [ 57.637997][ T5070] ksys_write+0x1f0/0x250 [ 57.642312][ T5070] ? __ia32_sys_read+0xb0/0xb0 [ 57.647064][ T5070] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 57.653295][ T5070] do_syscall_64+0x40/0x110 [ 57.657789][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.663670][ T5070] RIP: 0033:0x7f746c3e0079 [ 57.668070][ T5070] 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 [pid 5070] write(4, "\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\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"..., 10968) = 10968 [pid 5068] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5070] futex(0x7f746c4673fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 57.687663][ T5070] RSP: 002b:00007f746c37e228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.696061][ T5070] RAX: ffffffffffffffda RBX: 00007f746c4673f8 RCX: 00007f746c3e0079 [ 57.704018][ T5070] RDX: 0000000000002ad8 RSI: 0000000020000040 RDI: 0000000000000004 [ 57.711974][ T5070] RBP: 00007f746c4673f0 R08: 00007f746c37e6c0 R09: 00007f746c37e6c0 [ 57.719933][ T5070] R10: 00007f746c37e6c0 R11: 0000000000000246 R12: 00007f746c434018 [ 57.727892][ T5070] R13: 0100000000000000 R14: 00000000d0d0c2ac R15: 00007fff7d99d258 [ 57.735853][ T5070] [pid 5070] futex(0x7f746c4673f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5068] exit_group(0) = ? [pid 5070] <... futex resumed>) = ? [pid 5070] +++ exited with 0 +++ [pid 5069] <... sendto resumed>) = ? [pid 5069] +++ exited with 0 +++ +++ exited with 0 +++