ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor2171300213 <...> Warning: Permanently added '10.128.1.31' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor2171300213", ["ci2-upstream-fs/syz-executor2171300213"], 0x7ffe91624190 /* 10 vars */) = 0 brk(NULL) = 0x5555562b0000 brk(0x5555562b0d80) = 0x5555562b0d80 arch_prctl(ARCH_SET_FS, 0x5555562b0400) = 0 set_tid_address(0x5555562b06d0) = 5598 set_robust_list(0x5555562b06e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor2171300213", 4096) = 44 getrandom("\x9e\xe6\xa9\xd5\xbc\x09\x97\x63", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555562b0d80 brk(0x5555562d1d80) = 0x5555562d1d80 brk(0x5555562d2000) = 0x5555562d2000 mprotect(0x7f3a8c8d4000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5599 attached , child_tidptr=0x5555562b06d0) = 5599 [pid 5599] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5599] rt_sigprocmask(SIG_SETMASK, [] [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5599] setpgid(0, 0) = 0 [pid 5599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5599] write(3, "1000", 4) = 4 [pid 5599] close(3) = 0 [pid 5599] write(1, "executing program\n", 18) = 18 executing program [pid 5599] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5599] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [pid 5599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = 0 [pid 5599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = 0 [pid 5599] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = 0 [pid 5599] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5599] write(3, "dummy_udc.0\n", 12) = 12 [pid 5599] exit_group(0) = ? [pid 5599] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5599, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5603 attached , child_tidptr=0x5555562b06d0) = 5603 [pid 5603] set_robust_list(0x5555562b06e0, 24 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5603] <... set_robust_list resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5603] setpgid(0, 0) = 0 [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5603] write(3, "1000", 4) = 4 [pid 5603] close(3) = 0 [pid 5603] write(1, "executing program\n", 18) = 18 executing program [pid 5603] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5603] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5603] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5603] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5603] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5603] exit_group(0) = ? [pid 5603] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5604 attached , child_tidptr=0x5555562b06d0) = 5604 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5604] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5604] setpgid(0, 0) = 0 [pid 5604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5604] write(3, "1000", 4) = 4 [pid 5604] close(3) = 0 [pid 5604] write(1, "executing program\n", 18) = 18 executing program [pid 5604] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5604] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5604] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5604] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5604] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5604] exit_group(0) = ? [pid 5604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5605 attached , child_tidptr=0x5555562b06d0) = 5605 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5605] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5605] setpgid(0, 0) = 0 [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5605] write(3, "1000", 4) = 4 [pid 5605] close(3) = 0 executing program [pid 5605] write(1, "executing program\n", 18) = 18 [pid 5605] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5605] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5605] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5605] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5605] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5605] exit_group(0) = ? [pid 5605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5606 attached [pid 5606] set_robust_list(0x5555562b06e0, 24 [pid 5598] <... clone resumed>, child_tidptr=0x5555562b06d0) = 5606 [pid 5606] <... set_robust_list resumed>) = 0 [pid 5606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5606] setpgid(0, 0) = 0 [pid 5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5606] write(3, "1000", 4) = 4 [pid 5606] close(3) = 0 [pid 5606] write(1, "executing program\n", 18) = 18 executing program [pid 5606] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5606] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5606] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5606] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5606] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5606] exit_group(0) = ? [pid 5606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5607 attached , child_tidptr=0x5555562b06d0) = 5607 [pid 5607] set_robust_list(0x5555562b06e0, 24 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5607] <... set_robust_list resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5607] setpgid(0, 0) = 0 [pid 5607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5607] write(3, "1000", 4) = 4 [pid 5607] close(3) = 0 executing program [pid 5607] write(1, "executing program\n", 18) = 18 [pid 5607] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5607] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5607] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5607] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5607] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5607] exit_group(0) = ? [pid 5607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5608 attached , child_tidptr=0x5555562b06d0) = 5608 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5608] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5608] setpgid(0, 0) = 0 [pid 5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5608] write(3, "1000", 4) = 4 [pid 5608] close(3) = 0 [pid 5608] write(1, "executing program\n", 18) = 18 executing program [pid 5608] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5608] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5608] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5608] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5608] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5608] exit_group(0) = ? [pid 5608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5608, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5609 attached [pid 5609] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5609] rt_sigprocmask(SIG_SETMASK, [] [pid 5598] <... clone resumed>, child_tidptr=0x5555562b06d0) = 5609 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5609] <... prctl resumed>) = 0 [pid 5609] setpgid(0, 0) = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5609] write(3, "1000", 4) = 4 [pid 5609] close(3) = 0 [pid 5609] write(1, "executing program\n", 18) = 18 executing program [pid 5609] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5609] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5609] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5609] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5609] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5609] exit_group(0) = ? [pid 5609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 83.423370][ T10] usb 1-1: new high-speed USB device number 2 using dummy_hcd clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5610 attached , child_tidptr=0x5555562b06d0) = 5610 [pid 5610] set_robust_list(0x5555562b06e0, 24 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5610] <... set_robust_list resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5610] setpgid(0, 0) = 0 [pid 5610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5610] write(3, "1000", 4) = 4 [pid 5610] close(3) = 0 executing program [pid 5610] write(1, "executing program\n", 18) = 18 [pid 5610] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5610] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5610] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5610] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5610] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5610] exit_group(0) = ? [pid 5610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5610, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5611 attached , child_tidptr=0x5555562b06d0) = 5611 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5611] set_robust_list(0x5555562b06e0, 24 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5611] <... set_robust_list resumed>) = 0 [pid 5611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5611] setpgid(0, 0) = 0 [pid 5611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1000", 4) = 4 [pid 5611] close(3) = 0 [pid 5611] write(1, "executing program\n", 18) = 18 [pid 5611] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5611] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 5611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5611] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5611] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5611] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5611] exit_group(0) = ? [ 83.577305][ T10] usb 1-1: New USB device found, idVendor=0000, idProduct=0000, bcdDevice= 7.03 [ 83.581679][ T10] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 83.581698][ T10] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 [ 83.581717][ T10] usb 1-1: Dual-Role OTG device on HNP port [ 83.581973][ T10] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [pid 5611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 83.640983][ C0] ------------[ cut here ]------------ [ 83.641001][ C0] usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0 [ 83.641023][ C0] WARNING: drivers/usb/gadget/udc/core.c:125 at usb_ep_enable+0x148/0x480, CPU#0: ktimers/0/16 [ 83.664322][ C0] Modules linked in: [ 83.668239][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 83.677806][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5612 attached , child_tidptr=0x5555562b06d0) = 5612 [pid 5612] set_robust_list(0x5555562b06e0, 24 [ 83.687897][ C0] RIP: 0010:usb_ep_enable+0x1bc/0x480 [ 83.693307][ C0] Code: 1a 2b f9 fa 49 83 3f 00 48 c7 c0 a0 ba 21 8c 49 c7 c0 c0 ba 21 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 07 00 af 8d 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 10 33 8d fa 65 8b [ 83.712976][ C0] RSP: 0018:ffffc900001576b8 EFLAGS: 00010282 [ 83.720069][ C0] RAX: ffffffff8c21baa0 RBX: ffff8880299f8120 RCX: ffffffff8c21d920 [ 83.728117][ C0] RDX: 0000000000000081 RSI: ffffffff8daf0007 RDI: ffffffff8fbef420 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5612] <... set_robust_list resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5612] setpgid(0, 0) = 0 [pid 5612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5612] write(3, "1000", 4) = 4 [pid 5612] close(3) = 0 [pid 5612] write(1, "executing program\n", 18) = 18 executing program [pid 5612] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5612] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 83.736146][ C0] RBP: dffffc0000000000 R08: ffffffff8c21bac0 R09: 0000000000000100 [ 83.744186][ C0] R10: 0000000000000100 R11: 0000000000000003 R12: ffffffff8c21d920 [ 83.752178][ C0] R13: 0000000000000081 R14: ffffffff8fbef420 R15: ffff8880299f8138 [ 83.760191][ C0] FS: 0000000000000000(0000) GS:ffff888125bc3000(0000) knlGS:0000000000000000 [ 83.769166][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.775833][ C0] CR2: 00007f3a8c880170 CR3: 000000000dfb0000 CR4: 00000000003526f0 [ 83.783856][ C0] Call Trace: [ 83.787150][ C0] [pid 5612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [ 83.790105][ C0] hidg_set_alt+0x12a/0xa50 [ 83.794678][ C0] ? rcu_is_watching+0x16/0xb0 [ 83.799456][ C0] set_config+0x749/0x1160 [ 83.803936][ C0] composite_setup+0x1de7/0x3480 [ 83.808933][ C0] configfs_composite_setup+0xbd/0x100 [ 83.814439][ C0] dummy_timer+0x2f77/0x4d50 [ 83.819055][ C0] ? __lock_acquire+0x747/0x2de0 [ 83.824031][ C0] ? rtlock_slowlock_locked+0xfb/0x3c20 [ 83.829611][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 83.835025][ C0] ? __pfx_dummy_timer+0x10/0x10 [pid 5612] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5612] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5612] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5612] exit_group(0) = ? [pid 5612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 83.839973][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 83.845844][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 83.850797][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 83.856391][ C0] hrtimer_run_softirq+0x1e1/0x2e0 [ 83.861560][ C0] handle_softirqs+0x1da/0x6d0 [ 83.866452][ C0] ? smpboot_thread_fn+0x4e/0xa70 [ 83.871526][ C0] run_ktimerd+0x6a/0x100 [ 83.875943][ C0] smpboot_thread_fn+0x565/0xa70 [ 83.880940][ C0] ? smpboot_thread_fn+0x4e/0xa70 [ 83.886009][ C0] kthread+0x38b/0x470 restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5613 attached [pid 5613] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5613] rt_sigprocmask(SIG_SETMASK, [] [pid 5598] <... clone resumed>, child_tidptr=0x5555562b06d0) = 5613 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5613] setpgid(0, 0) = 0 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5613] write(3, "1000", 4) = 4 [pid 5613] close(3) = 0 executing program [pid 5613] write(1, "executing program\n", 18) = 18 [ 83.890071][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 83.895557][ C0] ? __pfx_kthread+0x10/0x10 [ 83.900141][ C0] ret_from_fork+0x514/0xb70 [ 83.904768][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 83.909908][ C0] ? __switch_to+0xc89/0x1420 [ 83.914659][ C0] ? __pfx_kthread+0x10/0x10 [ 83.919244][ C0] ret_from_fork_asm+0x1a/0x30 [ 83.924046][ C0] [ 83.927071][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [pid 5613] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5613] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [ 83.934380][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 83.943914][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 83.953988][ C0] Call Trace: [ 83.957260][ C0] [ 83.960189][ C0] vpanic+0x56d/0xa60 [ 83.964168][ C0] ? __pfx__printk+0x10/0x10 [ 83.968775][ C0] ? __pfx_vpanic+0x10/0x10 [ 83.973359][ C0] ? is_bpf_text_address+0x292/0x2b0 [ 83.978656][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 83.983858][ C0] panic+0xc5/0xd0 [ 83.987591][ C0] ? __pfx_panic+0x10/0x10 [pid 5613] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5613] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5613] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5613] exit_group(0) = ? [pid 5613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5614 attached , child_tidptr=0x5555562b06d0) = 5614 [ 83.992035][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 83.997004][ C0] __warn+0x315/0x4c0 [ 84.001011][ C0] ? usb_ep_enable+0x148/0x480 [ 84.005799][ C0] ? usb_ep_enable+0x148/0x480 [ 84.010575][ C0] __report_bug+0x276/0x570 [ 84.015095][ C0] ? usb_ep_enable+0x148/0x480 [ 84.019895][ C0] ? __pfx___report_bug+0x10/0x10 [ 84.024968][ C0] report_bug_entry+0x19b/0x290 [ 84.029852][ C0] ? usb_ep_enable+0x1bc/0x480 [ 84.034635][ C0] ? usb_ep_enable+0x1c1/0x480 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5614] set_robust_list(0x5555562b06e0, 24) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5614] setpgid(0, 0) = 0 [pid 5614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5614] write(3, "1000", 4) = 4 [pid 5614] close(3) = 0 executing program [pid 5614] write(1, "executing program\n", 18) = 18 [pid 5614] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5614] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5614] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5614] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5614] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5614] exit_group(0) = ? [pid 5614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5614, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 84.039454][ C0] handle_bug+0xce/0x200 [ 84.043707][ C0] exc_invalid_op+0x1a/0x50 [ 84.048239][ C0] asm_exc_invalid_op+0x1a/0x20 [ 84.053113][ C0] RIP: 0010:usb_ep_enable+0x1bc/0x480 [ 84.058519][ C0] Code: 1a 2b f9 fa 49 83 3f 00 48 c7 c0 a0 ba 21 8c 49 c7 c0 c0 ba 21 8c 4c 0f 44 c0 4c 89 f7 48 c7 c6 07 00 af 8d 44 89 ea 4c 89 e1 <67> 48 0f b9 3a bd ea ff ff ff 0f 1f 44 00 00 e8 10 33 8d fa 65 8b [ 84.078141][ C0] RSP: 0018:ffffc900001576b8 EFLAGS: 00010282 [ 84.084225][ C0] RAX: ffffffff8c21baa0 RBX: ffff8880299f8120 RCX: ffffffff8c21d920 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5615 attached [pid 5615] set_robust_list(0x5555562b06e0, 24 [pid 5598] <... clone resumed>, child_tidptr=0x5555562b06d0) = 5615 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5615] <... set_robust_list resumed>) = 0 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 84.092269][ C0] RDX: 0000000000000081 RSI: ffffffff8daf0007 RDI: ffffffff8fbef420 [ 84.100267][ C0] RBP: dffffc0000000000 R08: ffffffff8c21bac0 R09: 0000000000000100 [ 84.108258][ C0] R10: 0000000000000100 R11: 0000000000000003 R12: ffffffff8c21d920 [ 84.116250][ C0] R13: 0000000000000081 R14: ffffffff8fbef420 R15: ffff8880299f8138 [ 84.124258][ C0] ? usb_ep_enable+0x12f/0x480 [ 84.129060][ C0] hidg_set_alt+0x12a/0xa50 [ 84.133593][ C0] ? rcu_is_watching+0x16/0xb0 [ 84.138411][ C0] set_config+0x749/0x1160 [pid 5615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5615] setpgid(0, 0) = 0 [pid 5615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5615] write(3, "1000", 4) = 4 [pid 5615] close(3) = 0 [pid 5615] write(1, "executing program\n", 18) = 18 [pid 5615] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5615] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5615] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5615] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 executing program [pid 5615] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [pid 5615] exit_group(0) = ? [pid 5615] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5616 attached , child_tidptr=0x5555562b06d0) = 5616 [pid 5598] rt_sigprocmask(SIG_SETMASK, [] [pid 5616] set_robust_list(0x5555562b06e0, 24 [pid 5598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5616] <... set_robust_list resumed>) = 0 [ 84.142872][ C0] composite_setup+0x1de7/0x3480 [ 84.147862][ C0] configfs_composite_setup+0xbd/0x100 [ 84.153374][ C0] dummy_timer+0x2f77/0x4d50 [ 84.158019][ C0] ? __lock_acquire+0x747/0x2de0 [ 84.162998][ C0] ? rtlock_slowlock_locked+0xfb/0x3c20 [ 84.168602][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 84.174000][ C0] ? __pfx_dummy_timer+0x10/0x10 [ 84.178969][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 84.184792][ C0] ? __pfx_dummy_timer+0x10/0x10 [pid 5616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5616] setpgid(0, 0) = 0 [pid 5616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5616] write(3, "1000", 4) = 4 [pid 5616] close(3) = 0 [pid 5616] write(1, "executing program\n", 18) = 18 executing program [pid 5616] mkdirat(AT_FDCWD, "./config", 0777) = -1 EEXIST (File exists) [pid 5616] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/hid.usb0", 0777) = -1 EEXIST (File exists) [pid 5616] symlinkat("./config/usb_gadget/g1/functions/hid.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/hid.usb0") = -1 EEXIST (File exists) [pid 5616] openat(AT_FDCWD, "./config/usb_gadget/g1/UDC", O_WRONLY) = 3 [pid 5616] write(3, "dummy_udc.0\n", 12) = -1 EBUSY (Device or resource busy) [ 84.189754][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 84.194995][ C0] hrtimer_run_softirq+0x1e1/0x2e0 [ 84.200130][ C0] handle_softirqs+0x1da/0x6d0 [ 84.204916][ C0] ? smpboot_thread_fn+0x4e/0xa70 [ 84.209980][ C0] run_ktimerd+0x6a/0x100 [ 84.214349][ C0] smpboot_thread_fn+0x565/0xa70 [ 84.219330][ C0] ? smpboot_thread_fn+0x4e/0xa70 [ 84.224390][ C0] kthread+0x38b/0x470 [ 84.228478][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 84.233961][ C0] ? __pfx_kthread+0x10/0x10 [ 84.238564][ C0] ret_from_fork+0x514/0xb70 [pid 5616] exit_group(0) = ? [pid 5616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 84.243177][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 84.248307][ C0] ? __switch_to+0xc89/0x1420 [ 84.253010][ C0] ? __pfx_kthread+0x10/0x10 [ 84.257618][ C0] ret_from_fork_asm+0x1a/0x30 [ 84.262405][ C0] [ 84.265696][ C0] Kernel Offset: disabled [ 84.270009][ C0] Rebooting in 86400 seconds..