./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1231343647 <...> Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts. execve("./syz-executor1231343647", ["./syz-executor1231343647"], 0x7fff03f51d50 /* 10 vars */) = 0 brk(NULL) = 0x55556a9cf000 brk(0x55556a9cfd00) = 0x55556a9cfd00 arch_prctl(ARCH_SET_FS, 0x55556a9cf380) = 0 set_tid_address(0x55556a9cf650) = 5837 set_robust_list(0x55556a9cf660, 24) = 0 rseq(0x55556a9cfca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1231343647", 4096) = 28 getrandom("\xc9\xb3\xcf\xc6\x57\x9d\x54\xbc", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a9cfd00 brk(0x55556a9f0d00) = 0x55556a9f0d00 brk(0x55556a9f1000) = 0x55556a9f1000 mprotect(0x7f0575c9d000, 16384, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached [pid 5838] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... clone resumed>, child_tidptr=0x55556a9cf650) = 5838 [pid 5838] <... prctl resumed>) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5838] munmap(0x7f056d600000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5838] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5838] close(3) = 0 [pid 5838] close(4) = 0 [pid 5838] mkdir("./file0", 0777) = 0 [ 92.362104][ T5838] loop0: detected capacity change from 0 to 32768 [ 92.392622][ T5838] ======================================================= [ 92.392622][ T5838] WARNING: The mand mount option has been deprecated and [pid 5838] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_SILENT|MS_POSIXACL, "") = 0 [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5838] chdir("./file0") = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5838] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x200000000000 [ 92.392622][ T5838] and is ignored by this kernel. Remove the mand [ 92.392622][ T5838] option from the mount to silence this warning. [ 92.392622][ T5838] ======================================================= [pid 5838] ftruncate(4, 49530) = 0 [pid 5838] copy_file_range(4, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5838] exit_group(0) = ? [pid 5838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=24 /* 0.24 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached , child_tidptr=0x55556a9cf650) = 5840 [pid 5840] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] write(1, "executing program\n", 18executing program ) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5840] munmap(0x7f056d600000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5840] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5840] ftruncate(3, 49530) = 0 [pid 5840] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5840] exit_group(0) = ? [pid 5840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached , child_tidptr=0x55556a9cf650) = 5841 [pid 5841] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] setpgid(0, 0) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1000", 4) = 4 [pid 5841] close(3) = 0 executing program [pid 5841] write(1, "executing program\n", 18) = 18 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5841] munmap(0x7f056d600000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5841] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5841] ftruncate(3, 49530) = 0 [pid 5841] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5841] exit_group(0) = ? [pid 5841] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached , child_tidptr=0x55556a9cf650) = 5842 [pid 5842] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 executing program [pid 5842] write(1, "executing program\n", 18) = 18 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5842] munmap(0x7f056d600000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5842] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5842] ftruncate(3, 49530) = 0 [pid 5842] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5842] exit_group(0) = ? [pid 5842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached , child_tidptr=0x55556a9cf650) = 5843 [pid 5843] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] setpgid(0, 0) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1000", 4) = 4 [pid 5843] close(3) = 0 executing program [pid 5843] write(1, "executing program\n", 18) = 18 [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5843] munmap(0x7f056d600000, 138412032) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5843] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5843] ftruncate(3, 49530) = 0 [pid 5843] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5843] exit_group(0) = ? [pid 5843] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached , child_tidptr=0x55556a9cf650) = 5844 [pid 5844] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 executing program [pid 5844] write(1, "executing program\n", 18) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5844] munmap(0x7f056d600000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] close(3) = 0 [pid 5844] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5844] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5844] ftruncate(3, 49530) = 0 [pid 5844] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5844] exit_group(0) = ? [pid 5844] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached , child_tidptr=0x55556a9cf650) = 5845 [pid 5845] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 executing program [pid 5845] write(1, "executing program\n", 18) = 18 [pid 5845] memfd_create("syzkaller", 0) = 3 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5845] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5845] munmap(0x7f056d600000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5845] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5845] ftruncate(3, 49530) = 0 [pid 5845] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5845] exit_group(0) = ? [pid 5845] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached , child_tidptr=0x55556a9cf650) = 5846 [pid 5846] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 executing program [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5846] munmap(0x7f056d600000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(3) = 0 [pid 5846] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5846] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5846] ftruncate(3, 49530) = 0 [pid 5846] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5846] exit_group(0) = ? [pid 5846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached , child_tidptr=0x55556a9cf650) = 5847 [pid 5847] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] write(1, "executing program\n", 18executing program ) = 18 [pid 5847] memfd_create("syzkaller", 0) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5847] munmap(0x7f056d600000, 138412032) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5847] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5847] ftruncate(3, 49530) = 0 [pid 5847] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5847] exit_group(0) = ? [pid 5847] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x55556a9cf650) = 5848 [pid 5848] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] setpgid(0, 0) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1000", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] write(1, "executing program\n", 18executing program ) = 18 [pid 5848] memfd_create("syzkaller", 0) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5848] munmap(0x7f056d600000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5848] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5848] ftruncate(3, 49530) = 0 [pid 5848] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5848] exit_group(0) = ? [pid 5848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached , child_tidptr=0x55556a9cf650) = 5849 [pid 5849] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5849] close(3) = 0 [pid 5849] write(1, "executing program\n", 18executing program ) = 18 [pid 5849] memfd_create("syzkaller", 0) = 3 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5849] munmap(0x7f056d600000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5849] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5849] ftruncate(3, 49530) = 0 [pid 5849] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5849] exit_group(0) = ? [pid 5849] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached , child_tidptr=0x55556a9cf650) = 5850 [pid 5850] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1000", 4) = 4 [pid 5850] close(3) = 0 executing program [pid 5850] write(1, "executing program\n", 18) = 18 [pid 5850] memfd_create("syzkaller", 0) = 3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5850] munmap(0x7f056d600000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5850] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5850] ftruncate(3, 49530) = 0 [pid 5850] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5850] exit_group(0) = ? [pid 5850] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=24 /* 0.24 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached , child_tidptr=0x55556a9cf650) = 5853 [pid 5853] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 [pid 5853] write(1, "executing program\n", 18executing program ) = 18 [pid 5853] memfd_create("syzkaller", 0) = 3 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5853] munmap(0x7f056d600000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 97.154025][ T1207] cfg80211: failed to load regulatory.db [pid 5853] close(3) = 0 [pid 5853] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5853] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5853] ftruncate(3, 49530) = 0 [pid 5853] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5853] exit_group(0) = ? [pid 5853] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached , child_tidptr=0x55556a9cf650) = 5856 [pid 5856] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] write(1, "executing program\n", 18executing program ) = 18 [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5856] munmap(0x7f056d600000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5856] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5856] ftruncate(3, 49530) = 0 [pid 5856] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5856] exit_group(0) = ? [pid 5856] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5858 attached , child_tidptr=0x55556a9cf650) = 5858 [pid 5858] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] setpgid(0, 0) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5858] close(3) = 0 executing program [pid 5858] write(1, "executing program\n", 18) = 18 [pid 5858] memfd_create("syzkaller", 0) = 3 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5858] munmap(0x7f056d600000, 138412032) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5858] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5858] ftruncate(3, 49530) = 0 [pid 5858] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5858] exit_group(0) = ? [pid 5858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached , child_tidptr=0x55556a9cf650) = 5861 [pid 5861] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5861] write(3, "1000", 4) = 4 [pid 5861] close(3) = 0 executing program [pid 5861] write(1, "executing program\n", 18) = 18 [pid 5861] memfd_create("syzkaller", 0) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5861] munmap(0x7f056d600000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(3) = 0 [pid 5861] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5861] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5861] ftruncate(3, 49530) = 0 [pid 5861] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5861] exit_group(0) = ? [pid 5861] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached , child_tidptr=0x55556a9cf650) = 5862 [pid 5862] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3executing program ) = 0 [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] memfd_create("syzkaller", 0) = 3 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5862] munmap(0x7f056d600000, 138412032) = 0 [pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5862] close(3) = 0 [pid 5862] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5862] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5862] ftruncate(3, 49530) = 0 [pid 5862] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5862] exit_group(0) = ? [pid 5862] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached , child_tidptr=0x55556a9cf650) = 5863 [pid 5863] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3) = 0 executing program [pid 5863] write(1, "executing program\n", 18) = 18 [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5863] munmap(0x7f056d600000, 138412032) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] close(3) = 0 [pid 5863] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5863] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5863] ftruncate(3, 49530) = 0 [pid 5863] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5863] exit_group(0) = ? [pid 5863] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached , child_tidptr=0x55556a9cf650) = 5864 [pid 5864] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 executing program [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5864] memfd_create("syzkaller", 0) = 3 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5864] munmap(0x7f056d600000, 138412032) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] close(3) = 0 [pid 5864] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5864] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5864] ftruncate(3, 49530) = 0 [pid 5864] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5864] exit_group(0) = ? [pid 5864] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5865 attached , child_tidptr=0x55556a9cf650) = 5865 [pid 5865] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] setpgid(0, 0) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5865] write(3, "1000", 4) = 4 [pid 5865] close(3) = 0 executing program [pid 5865] write(1, "executing program\n", 18) = 18 [pid 5865] memfd_create("syzkaller", 0) = 3 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5865] munmap(0x7f056d600000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(3) = 0 [pid 5865] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5865] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5865] ftruncate(3, 49530) = 0 [pid 5865] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5865] exit_group(0) = ? [pid 5865] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached , child_tidptr=0x55556a9cf650) = 5866 [pid 5866] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 executing program [pid 5866] write(1, "executing program\n", 18) = 18 [pid 5866] memfd_create("syzkaller", 0) = 3 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5866] munmap(0x7f056d600000, 138412032) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5866] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5866] ftruncate(3, 49530) = 0 [pid 5866] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5866] exit_group(0) = ? [pid 5866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached , child_tidptr=0x55556a9cf650) = 5868 [pid 5868] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3executing program ) = 0 [pid 5868] write(1, "executing program\n", 18) = 18 [pid 5868] memfd_create("syzkaller", 0) = 3 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5868] munmap(0x7f056d600000, 138412032) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5868] close(3) = 0 [pid 5868] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5868] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5868] ftruncate(3, 49530) = 0 [pid 5868] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5868] exit_group(0) = ? [pid 5868] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached , child_tidptr=0x55556a9cf650) = 5869 [pid 5869] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5869] write(3, "1000", 4) = 4 [pid 5869] close(3) = 0 executing program [pid 5869] write(1, "executing program\n", 18) = 18 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5869] munmap(0x7f056d600000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] close(3) = 0 [pid 5869] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5869] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5869] ftruncate(3, 49530) = 0 [pid 5869] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5869] exit_group(0) = ? [pid 5869] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached , child_tidptr=0x55556a9cf650) = 5870 [pid 5870] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5870] write(3, "1000", 4) = 4 [pid 5870] close(3) = 0 executing program [pid 5870] write(1, "executing program\n", 18) = 18 [pid 5870] memfd_create("syzkaller", 0) = 3 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5870] munmap(0x7f056d600000, 138412032) = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5870] close(3) = 0 [pid 5870] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5870] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5870] ftruncate(3, 49530) = 0 [pid 5870] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5870] exit_group(0) = ? [pid 5870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached , child_tidptr=0x55556a9cf650) = 5871 [pid 5871] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5871] setpgid(0, 0) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] write(3, "1000", 4) = 4 [pid 5871] close(3) = 0 [pid 5871] write(1, "executing program\n", 18executing program ) = 18 [pid 5871] memfd_create("syzkaller", 0) = 3 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5871] munmap(0x7f056d600000, 138412032) = 0 [pid 5871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5871] close(3) = 0 [pid 5871] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5871] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5871] ftruncate(3, 49530) = 0 [pid 5871] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5871] exit_group(0) = ? [pid 5871] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached , child_tidptr=0x55556a9cf650) = 5872 [pid 5872] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] setpgid(0, 0) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5872] write(3, "1000", 4) = 4 [pid 5872] close(3) = 0 executing program [pid 5872] write(1, "executing program\n", 18) = 18 [pid 5872] memfd_create("syzkaller", 0) = 3 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5872] munmap(0x7f056d600000, 138412032) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5872] close(3) = 0 [pid 5872] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5872] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5872] ftruncate(3, 49530) = 0 [pid 5872] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5872] exit_group(0) = ? [pid 5872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached , child_tidptr=0x55556a9cf650) = 5873 [pid 5873] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5873] write(3, "1000", 4) = 4 [pid 5873] close(3executing program ) = 0 [pid 5873] write(1, "executing program\n", 18) = 18 [pid 5873] memfd_create("syzkaller", 0) = 3 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5873] munmap(0x7f056d600000, 138412032) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5873] close(3) = 0 [pid 5873] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5873] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5873] ftruncate(3, 49530) = 0 [pid 5873] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5873] exit_group(0) = ? [pid 5873] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached , child_tidptr=0x55556a9cf650) = 5874 [pid 5874] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5874] write(3, "1000", 4) = 4 [pid 5874] close(3) = 0 [pid 5874] write(1, "executing program\n", 18executing program ) = 18 [pid 5874] memfd_create("syzkaller", 0) = 3 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5874] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5874] munmap(0x7f056d600000, 138412032) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5874] close(3) = 0 [pid 5874] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5874] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5874] ftruncate(3, 49530) = 0 [pid 5874] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5874] exit_group(0) = ? [pid 5874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached , child_tidptr=0x55556a9cf650) = 5876 [pid 5876] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 executing program [pid 5876] write(1, "executing program\n", 18) = 18 [pid 5876] memfd_create("syzkaller", 0) = 3 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5876] munmap(0x7f056d600000, 138412032) = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5876] close(3) = 0 [pid 5876] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5876] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5876] ftruncate(3, 49530) = 0 [pid 5876] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5876] exit_group(0) = ? [pid 5876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached , child_tidptr=0x55556a9cf650) = 5877 [pid 5877] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1000", 4) = 4 [pid 5877] close(3) = 0 executing program [pid 5877] write(1, "executing program\n", 18) = 18 [pid 5877] memfd_create("syzkaller", 0) = 3 [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5877] munmap(0x7f056d600000, 138412032) = 0 [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5877] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5877] ftruncate(3, 49530) = 0 [pid 5877] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5877] exit_group(0) = ? [pid 5877] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached [pid 5878] set_robust_list(0x55556a9cf660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x55556a9cf650) = 5878 [pid 5878] <... set_robust_list resumed>) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] write(3, "1000", 4) = 4 [pid 5878] close(3) = 0 [pid 5878] write(1, "executing program\n", 18executing program ) = 18 [pid 5878] memfd_create("syzkaller", 0) = 3 [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5878] munmap(0x7f056d600000, 138412032) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5878] close(3) = 0 [pid 5878] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5878] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5878] ftruncate(3, 49530) = 0 [pid 5878] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5878] exit_group(0) = ? [pid 5878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached , child_tidptr=0x55556a9cf650) = 5879 [pid 5879] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] setpgid(0, 0) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1000", 4) = 4 [pid 5879] close(3) = 0 executing program [pid 5879] write(1, "executing program\n", 18) = 18 [pid 5879] memfd_create("syzkaller", 0) = 3 [pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5879] munmap(0x7f056d600000, 138412032) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5879] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5879] ftruncate(3, 49530) = 0 [pid 5879] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5879] exit_group(0) = ? [pid 5879] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5880 attached , child_tidptr=0x55556a9cf650) = 5880 [pid 5880] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5880] setpgid(0, 0) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] write(3, "1000", 4) = 4 [pid 5880] close(3) = 0 executing program [pid 5880] write(1, "executing program\n", 18) = 18 [pid 5880] memfd_create("syzkaller", 0) = 3 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5880] munmap(0x7f056d600000, 138412032) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5880] close(3) = 0 [pid 5880] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5880] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5880] ftruncate(3, 49530) = 0 [pid 5880] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5880] exit_group(0) = ? [pid 5880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached , child_tidptr=0x55556a9cf650) = 5881 [pid 5881] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] setpgid(0, 0) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5881] write(3, "1000", 4) = 4 [pid 5881] close(3) = 0 [pid 5881] write(1, "executing program\n", 18executing program ) = 18 [pid 5881] memfd_create("syzkaller", 0) = 3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5881] munmap(0x7f056d600000, 138412032) = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5881] close(3) = 0 [pid 5881] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5881] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5881] ftruncate(3, 49530) = 0 [pid 5881] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5881] exit_group(0) = ? [pid 5881] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5882 attached , child_tidptr=0x55556a9cf650) = 5882 [pid 5882] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3) = 0 [pid 5882] write(1, "executing program\n", 18executing program ) = 18 [pid 5882] memfd_create("syzkaller", 0) = 3 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5882] munmap(0x7f056d600000, 138412032) = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5882] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5882] ftruncate(3, 49530) = 0 [pid 5882] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5882] exit_group(0) = ? [pid 5882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached , child_tidptr=0x55556a9cf650) = 5883 [pid 5883] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 [pid 5883] write(1, "executing program\n", 18executing program ) = 18 [pid 5883] memfd_create("syzkaller", 0) = 3 [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5883] munmap(0x7f056d600000, 138412032) = 0 [pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5883] close(3) = 0 [pid 5883] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5883] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5883] ftruncate(3, 49530) = 0 [pid 5883] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5883] exit_group(0) = ? [pid 5883] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached , child_tidptr=0x55556a9cf650) = 5884 [pid 5884] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 executing program [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] memfd_create("syzkaller", 0) = 3 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5884] munmap(0x7f056d600000, 138412032) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5884] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5884] ftruncate(3, 49530) = 0 [pid 5884] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5884] exit_group(0) = ? [pid 5884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached , child_tidptr=0x55556a9cf650) = 5886 [pid 5886] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] setpgid(0, 0) = 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5886] write(3, "1000", 4) = 4 [pid 5886] close(3) = 0 executing program [pid 5886] write(1, "executing program\n", 18) = 18 [pid 5886] memfd_create("syzkaller", 0) = 3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5886] munmap(0x7f056d600000, 138412032) = 0 [pid 5886] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5886] close(3) = 0 [pid 5886] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5886] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5886] ftruncate(3, 49530) = 0 [pid 5886] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5886] exit_group(0) = ? [pid 5886] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5887 attached , child_tidptr=0x55556a9cf650) = 5887 [pid 5887] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5887] setpgid(0, 0) = 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5887] write(3, "1000", 4) = 4 [pid 5887] close(3) = 0 executing program [pid 5887] write(1, "executing program\n", 18) = 18 [pid 5887] memfd_create("syzkaller", 0) = 3 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5887] munmap(0x7f056d600000, 138412032) = 0 [pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5887] close(3) = 0 [pid 5887] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5887] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5887] ftruncate(3, 49530) = 0 [pid 5887] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5887] exit_group(0) = ? [pid 5887] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5888 attached , child_tidptr=0x55556a9cf650) = 5888 [pid 5888] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5888] setpgid(0, 0) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1000", 4) = 4 [pid 5888] close(3) = 0 executing program [pid 5888] write(1, "executing program\n", 18) = 18 [pid 5888] memfd_create("syzkaller", 0) = 3 [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5888] munmap(0x7f056d600000, 138412032) = 0 [pid 5888] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5888] close(3) = 0 [pid 5888] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5888] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5888] ftruncate(3, 49530) = 0 [pid 5888] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5888] exit_group(0) = ? [pid 5888] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached , child_tidptr=0x55556a9cf650) = 5889 [pid 5889] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5889] setpgid(0, 0) = 0 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5889] write(3, "1000", 4) = 4 [pid 5889] close(3) = 0 [pid 5889] write(1, "executing program\n", 18executing program ) = 18 [pid 5889] memfd_create("syzkaller", 0) = 3 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5889] munmap(0x7f056d600000, 138412032) = 0 [pid 5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5889] close(3) = 0 [pid 5889] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5889] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5889] ftruncate(3, 49530) = 0 [pid 5889] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5889] exit_group(0) = ? [pid 5889] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached , child_tidptr=0x55556a9cf650) = 5890 [pid 5890] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5890] write(3, "1000", 4) = 4 [pid 5890] close(3) = 0 [pid 5890] write(1, "executing program\n", 18executing program ) = 18 [pid 5890] memfd_create("syzkaller", 0) = 3 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5890] munmap(0x7f056d600000, 138412032) = 0 [pid 5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5890] close(3) = 0 [pid 5890] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5890] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5890] ftruncate(3, 49530) = 0 [pid 5890] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5890] exit_group(0) = ? [pid 5890] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached , child_tidptr=0x55556a9cf650) = 5891 [pid 5891] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5891] setpgid(0, 0) = 0 [pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5891] write(3, "1000", 4) = 4 [pid 5891] close(3) = 0 [pid 5891] write(1, "executing program\n", 18executing program ) = 18 [pid 5891] memfd_create("syzkaller", 0) = 3 [pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5891] munmap(0x7f056d600000, 138412032) = 0 [pid 5891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5891] close(3) = 0 [pid 5891] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5891] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5891] ftruncate(3, 49530) = 0 [pid 5891] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5891] exit_group(0) = ? [pid 5891] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5892 attached , child_tidptr=0x55556a9cf650) = 5892 [pid 5892] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5892] setpgid(0, 0) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 [pid 5892] write(1, "executing program\n", 18executing program ) = 18 [pid 5892] memfd_create("syzkaller", 0) = 3 [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5892] munmap(0x7f056d600000, 138412032) = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5892] close(3) = 0 [pid 5892] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5892] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5892] ftruncate(3, 49530) = 0 [pid 5892] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5892] exit_group(0) = ? [pid 5892] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached , child_tidptr=0x55556a9cf650) = 5894 [pid 5894] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5894] write(3, "1000", 4) = 4 [pid 5894] close(3) = 0 executing program [pid 5894] write(1, "executing program\n", 18) = 18 [pid 5894] memfd_create("syzkaller", 0) = 3 [pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5894] munmap(0x7f056d600000, 138412032) = 0 [pid 5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5894] close(3) = 0 [pid 5894] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5894] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5894] ftruncate(3, 49530) = 0 [pid 5894] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5894] exit_group(0) = ? [pid 5894] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached , child_tidptr=0x55556a9cf650) = 5895 [pid 5895] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5895] setpgid(0, 0) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5895] write(3, "1000", 4) = 4 [pid 5895] close(3) = 0 executing program [pid 5895] write(1, "executing program\n", 18) = 18 [pid 5895] memfd_create("syzkaller", 0) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5895] munmap(0x7f056d600000, 138412032) = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5895] close(3) = 0 [pid 5895] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5895] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5895] ftruncate(3, 49530) = 0 [pid 5895] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5895] exit_group(0) = ? [pid 5895] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached , child_tidptr=0x55556a9cf650) = 5896 [pid 5896] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5896] write(3, "1000", 4) = 4 [pid 5896] close(3) = 0 [pid 5896] write(1, "executing program\n", 18executing program ) = 18 [pid 5896] memfd_create("syzkaller", 0) = 3 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5896] munmap(0x7f056d600000, 138412032) = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5896] close(3) = 0 [pid 5896] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5896] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5896] ftruncate(3, 49530) = 0 [pid 5896] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5896] exit_group(0) = ? [pid 5896] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached , child_tidptr=0x55556a9cf650) = 5897 [pid 5897] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 executing program [pid 5897] write(1, "executing program\n", 18) = 18 [pid 5897] memfd_create("syzkaller", 0) = 3 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5897] munmap(0x7f056d600000, 138412032) = 0 [pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5897] close(3) = 0 [pid 5897] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5897] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5897] ftruncate(3, 49530) = 0 [pid 5897] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5897] exit_group(0) = ? [pid 5897] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached , child_tidptr=0x55556a9cf650) = 5898 [pid 5898] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5898] write(3, "1000", 4) = 4 [pid 5898] close(3) = 0 executing program [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] memfd_create("syzkaller", 0) = 3 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5898] munmap(0x7f056d600000, 138412032) = 0 [pid 5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5898] close(3) = 0 [pid 5898] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5898] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5898] ftruncate(3, 49530) = 0 [pid 5898] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5898] exit_group(0) = ? [pid 5898] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5899 attached , child_tidptr=0x55556a9cf650) = 5899 [pid 5899] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5899] setpgid(0, 0) = 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5899] write(3, "1000", 4) = 4 [pid 5899] close(3) = 0 [pid 5899] write(1, "executing program\n", 18executing program ) = 18 [pid 5899] memfd_create("syzkaller", 0) = 3 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5899] munmap(0x7f056d600000, 138412032) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5899] close(3) = 0 [pid 5899] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5899] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5899] ftruncate(3, 49530) = 0 [pid 5899] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5899] exit_group(0) = ? [pid 5899] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached , child_tidptr=0x55556a9cf650) = 5900 [pid 5900] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5900] setpgid(0, 0) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5900] write(3, "1000", 4) = 4 [pid 5900] close(3) = 0 executing program [pid 5900] write(1, "executing program\n", 18) = 18 [pid 5900] memfd_create("syzkaller", 0) = 3 [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5900] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5900] munmap(0x7f056d600000, 138412032) = 0 [pid 5900] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5900] close(3) = 0 [pid 5900] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5900] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5900] ftruncate(3, 49530) = 0 [pid 5900] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5900] exit_group(0) = ? [pid 5900] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5901 attached , child_tidptr=0x55556a9cf650) = 5901 [pid 5901] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5901] setpgid(0, 0) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 executing program [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] memfd_create("syzkaller", 0) = 3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5901] munmap(0x7f056d600000, 138412032) = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5901] close(3) = 0 [pid 5901] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5901] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5901] ftruncate(3, 49530) = 0 [pid 5901] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5901] exit_group(0) = ? [pid 5901] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached , child_tidptr=0x55556a9cf650) = 5903 [pid 5903] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] setpgid(0, 0) = 0 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5903] write(3, "1000", 4) = 4 [pid 5903] close(3) = 0 executing program [pid 5903] write(1, "executing program\n", 18) = 18 [pid 5903] memfd_create("syzkaller", 0) = 3 [pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5903] munmap(0x7f056d600000, 138412032) = 0 [pid 5903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5903] close(3) = 0 [pid 5903] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5903] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5903] ftruncate(3, 49530) = 0 [pid 5903] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5903] exit_group(0) = ? [pid 5903] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached , child_tidptr=0x55556a9cf650) = 5904 [pid 5904] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5904] setpgid(0, 0) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5904] write(3, "1000", 4) = 4 [pid 5904] close(3) = 0 executing program [pid 5904] write(1, "executing program\n", 18) = 18 [pid 5904] memfd_create("syzkaller", 0) = 3 [pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5904] munmap(0x7f056d600000, 138412032) = 0 [pid 5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5904] close(3) = 0 [pid 5904] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5904] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5904] ftruncate(3, 49530) = 0 [pid 5904] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5904] exit_group(0) = ? [pid 5904] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a9cf650) = 5905 ./strace-static-x86_64: Process 5905 attached [pid 5905] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5905] write(3, "1000", 4) = 4 [pid 5905] close(3) = 0 executing program [pid 5905] write(1, "executing program\n", 18) = 18 [pid 5905] memfd_create("syzkaller", 0) = 3 [pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5905] munmap(0x7f056d600000, 138412032) = 0 [pid 5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5905] close(3) = 0 [pid 5905] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5905] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5905] ftruncate(3, 49530) = 0 [pid 5905] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5905] exit_group(0) = ? [pid 5905] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached , child_tidptr=0x55556a9cf650) = 5906 [pid 5906] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5906] setpgid(0, 0) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5906] write(3, "1000", 4) = 4 [pid 5906] close(3) = 0 executing program [pid 5906] write(1, "executing program\n", 18) = 18 [pid 5906] memfd_create("syzkaller", 0) = 3 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5906] munmap(0x7f056d600000, 138412032) = 0 [pid 5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5906] close(3) = 0 [pid 5906] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5906] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5906] ftruncate(3, 49530) = 0 [pid 5906] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5906] exit_group(0) = ? [pid 5906] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached , child_tidptr=0x55556a9cf650) = 5907 [pid 5907] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5907] write(3, "1000", 4) = 4 [pid 5907] close(3) = 0 [pid 5907] write(1, "executing program\n", 18executing program ) = 18 [pid 5907] memfd_create("syzkaller", 0) = 3 [pid 5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5907] munmap(0x7f056d600000, 138412032) = 0 [pid 5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5907] close(3) = 0 [pid 5907] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5907] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5907] ftruncate(3, 49530) = 0 [pid 5907] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5907] exit_group(0) = ? [pid 5907] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached , child_tidptr=0x55556a9cf650) = 5908 [pid 5908] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5908] setpgid(0, 0) = 0 [pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5908] write(3, "1000", 4) = 4 [pid 5908] close(3) = 0 executing program [pid 5908] write(1, "executing program\n", 18) = 18 [pid 5908] memfd_create("syzkaller", 0) = 3 [pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5908] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5908] munmap(0x7f056d600000, 138412032) = 0 [pid 5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5908] close(3) = 0 [pid 5908] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5908] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5908] ftruncate(3, 49530) = 0 [pid 5908] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5908] exit_group(0) = ? [pid 5908] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5909 attached , child_tidptr=0x55556a9cf650) = 5909 [pid 5909] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5909] setpgid(0, 0) = 0 [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5909] write(3, "1000", 4) = 4 [pid 5909] close(3) = 0 [pid 5909] write(1, "executing program\n", 18executing program ) = 18 [pid 5909] memfd_create("syzkaller", 0) = 3 [pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5909] munmap(0x7f056d600000, 138412032) = 0 [pid 5909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5909] close(3) = 0 [pid 5909] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5909] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5909] ftruncate(3, 49530) = 0 [pid 5909] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5909] exit_group(0) = ? [pid 5909] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached , child_tidptr=0x55556a9cf650) = 5910 [pid 5910] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5910] setpgid(0, 0) = 0 [pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5910] write(3, "1000", 4) = 4 [pid 5910] close(3) = 0 executing program [pid 5910] write(1, "executing program\n", 18) = 18 [pid 5910] memfd_create("syzkaller", 0) = 3 [pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5910] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5910] munmap(0x7f056d600000, 138412032) = 0 [pid 5910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5910] close(3) = 0 [pid 5910] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5910] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5910] ftruncate(3, 49530) = 0 [pid 5910] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5910] exit_group(0) = ? [pid 5910] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5912 attached , child_tidptr=0x55556a9cf650) = 5912 [pid 5912] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5912] setpgid(0, 0) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5912] write(3, "1000", 4) = 4 [pid 5912] close(3) = 0 [pid 5912] write(1, "executing program\n", 18executing program ) = 18 [pid 5912] memfd_create("syzkaller", 0) = 3 [pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5912] munmap(0x7f056d600000, 138412032) = 0 [pid 5912] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5912] close(3) = 0 [pid 5912] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5912] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5912] ftruncate(3, 49530) = 0 [pid 5912] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5912] exit_group(0) = ? [pid 5912] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached , child_tidptr=0x55556a9cf650) = 5913 [pid 5913] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5913] setpgid(0, 0) = 0 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5913] write(3, "1000", 4) = 4 [pid 5913] close(3) = 0 executing program [pid 5913] write(1, "executing program\n", 18) = 18 [pid 5913] memfd_create("syzkaller", 0) = 3 [pid 5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5913] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5913] munmap(0x7f056d600000, 138412032) = 0 [pid 5913] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5913] close(3) = 0 [pid 5913] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5913] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5913] ftruncate(3, 49530) = 0 [pid 5913] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5913] exit_group(0) = ? [pid 5913] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5914 attached , child_tidptr=0x55556a9cf650) = 5914 [pid 5914] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5914] setpgid(0, 0) = 0 [pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5914] write(3, "1000", 4) = 4 [pid 5914] close(3) = 0 executing program [pid 5914] write(1, "executing program\n", 18) = 18 [pid 5914] memfd_create("syzkaller", 0) = 3 [pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5914] munmap(0x7f056d600000, 138412032) = 0 [pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5914] close(3) = 0 [pid 5914] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5914] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5914] ftruncate(3, 49530) = 0 [pid 5914] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5914] exit_group(0) = ? [pid 5914] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached , child_tidptr=0x55556a9cf650) = 5915 [pid 5915] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5915] setpgid(0, 0) = 0 [pid 5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5915] write(3, "1000", 4) = 4 [pid 5915] close(3) = 0 [pid 5915] write(1, "executing program\n", 18executing program ) = 18 [pid 5915] memfd_create("syzkaller", 0) = 3 [pid 5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5915] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5915] munmap(0x7f056d600000, 138412032) = 0 [pid 5915] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5915] close(3) = 0 [pid 5915] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5915] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5915] ftruncate(3, 49530) = 0 [pid 5915] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5915] exit_group(0) = ? [pid 5915] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached , child_tidptr=0x55556a9cf650) = 5916 [pid 5916] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5916] setpgid(0, 0) = 0 [pid 5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5916] write(3, "1000", 4) = 4 [pid 5916] close(3) = 0 executing program [pid 5916] write(1, "executing program\n", 18) = 18 [pid 5916] memfd_create("syzkaller", 0) = 3 [pid 5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5916] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5916] munmap(0x7f056d600000, 138412032) = 0 [pid 5916] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5916] close(3) = 0 [pid 5916] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5916] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5916] ftruncate(3, 49530) = 0 [pid 5916] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5916] exit_group(0) = ? [pid 5916] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5917 attached , child_tidptr=0x55556a9cf650) = 5917 [pid 5917] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5917] setpgid(0, 0) = 0 [pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5917] write(3, "1000", 4) = 4 [pid 5917] close(3) = 0 [pid 5917] write(1, "executing program\n", 18executing program ) = 18 [pid 5917] memfd_create("syzkaller", 0) = 3 [pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5917] munmap(0x7f056d600000, 138412032) = 0 [pid 5917] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5917] close(3) = 0 [pid 5917] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5917] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5917] ftruncate(3, 49530) = 0 [pid 5917] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5917] exit_group(0) = ? [pid 5917] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5918 attached , child_tidptr=0x55556a9cf650) = 5918 [pid 5918] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5918] setpgid(0, 0) = 0 [pid 5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5918] write(3, "1000", 4) = 4 [pid 5918] close(3) = 0 executing program [pid 5918] write(1, "executing program\n", 18) = 18 [pid 5918] memfd_create("syzkaller", 0) = 3 [pid 5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5918] munmap(0x7f056d600000, 138412032) = 0 [pid 5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5918] close(3) = 0 [pid 5918] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5918] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5918] ftruncate(3, 49530) = 0 [pid 5918] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5918] exit_group(0) = ? [pid 5918] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5919 attached , child_tidptr=0x55556a9cf650) = 5919 [pid 5919] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5919] setpgid(0, 0) = 0 [pid 5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5919] write(3, "1000", 4) = 4 [pid 5919] close(3) = 0 executing program [pid 5919] write(1, "executing program\n", 18) = 18 [pid 5919] memfd_create("syzkaller", 0) = 3 [pid 5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5919] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5919] munmap(0x7f056d600000, 138412032) = 0 [pid 5919] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5919] close(3) = 0 [pid 5919] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5919] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5919] ftruncate(3, 49530) = 0 [pid 5919] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5919] exit_group(0) = ? [pid 5919] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556a9cf650) = 5921 ./strace-static-x86_64: Process 5921 attached [pid 5921] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5921] setpgid(0, 0) = 0 [pid 5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5921] write(3, "1000", 4) = 4 [pid 5921] close(3) = 0 [pid 5921] write(1, "executing program\n", 18executing program ) = 18 [pid 5921] memfd_create("syzkaller", 0) = 3 [pid 5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5921] munmap(0x7f056d600000, 138412032) = 0 [pid 5921] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5921] close(3) = 0 [pid 5921] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5921] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5921] ftruncate(3, 49530) = 0 [pid 5921] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5921] exit_group(0) = ? [pid 5921] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5922 attached , child_tidptr=0x55556a9cf650) = 5922 [pid 5922] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5922] setpgid(0, 0) = 0 [pid 5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5922] write(3, "1000", 4) = 4 [pid 5922] close(3) = 0 executing program [pid 5922] write(1, "executing program\n", 18) = 18 [pid 5922] memfd_create("syzkaller", 0) = 3 [pid 5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5922] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5922] munmap(0x7f056d600000, 138412032) = 0 [pid 5922] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5922] close(3) = 0 [pid 5922] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5922] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5922] ftruncate(3, 49530) = 0 [pid 5922] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5922] exit_group(0) = ? [pid 5922] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5923 attached , child_tidptr=0x55556a9cf650) = 5923 [pid 5923] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5923] setpgid(0, 0) = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5923] write(3, "1000", 4) = 4 [pid 5923] close(3) = 0 executing program [pid 5923] write(1, "executing program\n", 18) = 18 [pid 5923] memfd_create("syzkaller", 0) = 3 [pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5923] munmap(0x7f056d600000, 138412032) = 0 [pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5923] close(3) = 0 [pid 5923] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5923] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5923] ftruncate(3, 49530) = 0 [pid 5923] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5923] exit_group(0) = ? [pid 5923] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5924 attached , child_tidptr=0x55556a9cf650) = 5924 [pid 5924] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5924] setpgid(0, 0) = 0 [pid 5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5924] write(3, "1000", 4) = 4 [pid 5924] close(3) = 0 executing program [pid 5924] write(1, "executing program\n", 18) = 18 [pid 5924] memfd_create("syzkaller", 0) = 3 [pid 5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5924] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5924] munmap(0x7f056d600000, 138412032) = 0 [pid 5924] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5924] close(3) = 0 [pid 5924] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5924] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5924] ftruncate(3, 49530) = 0 [pid 5924] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5924] exit_group(0) = ? [pid 5924] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5925 attached , child_tidptr=0x55556a9cf650) = 5925 [pid 5925] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5925] setpgid(0, 0) = 0 [pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5925] write(3, "1000", 4) = 4 [pid 5925] close(3) = 0 executing program [pid 5925] write(1, "executing program\n", 18) = 18 [pid 5925] memfd_create("syzkaller", 0) = 3 [pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5925] munmap(0x7f056d600000, 138412032) = 0 [pid 5925] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5925] close(3) = 0 [pid 5925] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5925] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5925] ftruncate(3, 49530) = 0 [pid 5925] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5925] exit_group(0) = ? [pid 5925] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5926 attached , child_tidptr=0x55556a9cf650) = 5926 [pid 5926] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] setpgid(0, 0) = 0 [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5926] write(3, "1000", 4) = 4 [pid 5926] close(3) = 0 [pid 5926] write(1, "executing program\n", 18executing program ) = 18 [pid 5926] memfd_create("syzkaller", 0) = 3 [pid 5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [pid 5926] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5926] munmap(0x7f056d600000, 138412032) = 0 [pid 5926] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5926] close(3) = 0 [pid 5926] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3 [pid 5926] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 3, 0) = 0x200000000000 [pid 5926] ftruncate(3, 49530) = 0 [pid 5926] copy_file_range(3, NULL, -1, 0x2000000001c0, 4, 0) = -1 EBADF (Bad file descriptor) [pid 5926] exit_group(0) = ? [pid 5926] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5927 attached , child_tidptr=0x55556a9cf650) = 5927 [pid 5927] set_robust_list(0x55556a9cf660, 24) = 0 [pid 5927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5927] setpgid(0, 0) = 0 [pid 5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5927] write(3, "1000", 4) = 4 [pid 5927] close(3) = 0 executing program [pid 5927] write(1, "executing program\n", 18) = 18 [pid 5927] memfd_create("syzkaller", 0) = 3 [pid 5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f056d600000 [ 122.685706][ T1166] ------------[ cut here ]------------ [ 122.691443][ T1166] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2249:2 [ 122.700399][ T1166] index 2621480 is out of range for type 's64[128]' (aka 'long long[128]') [ 122.709308][ T1166] CPU: 1 UID: 0 PID: 1166 Comm: kworker/u8:5 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) [ 122.709334][ T1166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 122.709348][ T1166] Workqueue: writeback wb_workfn (flush-7:0) [ 122.709424][ T1166] Call Trace: [ 122.709437][ T1166] [ 122.709446][ T1166] dump_stack_lvl+0x189/0x250 [ 122.709477][ T1166] ? __pfx_dump_stack_lvl+0x10/0x10 [ 122.709502][ T1166] ? __pfx__printk+0x10/0x10 [ 122.709546][ T1166] ubsan_epilogue+0xa/0x40 [ 122.709581][ T1166] __ubsan_handle_out_of_bounds+0xe9/0xf0 [ 122.709622][ T1166] dbAllocBits+0xa07/0xa60 [ 122.709674][ T1166] dbAllocNear+0x2aa/0x3d0 [ 122.709710][ T1166] dbAlloc+0x933/0xba0 [ 122.709748][ T1166] extAlloc+0x54a/0xfb0 [ 122.709798][ T1166] ? __pfx_extAlloc+0x10/0x10 [ 122.709825][ T1166] ? down_write_nested+0x169/0x200 [ 122.709853][ T1166] ? __pfx_down_write_nested+0x10/0x10 [ 122.709883][ T1166] ? folio_clear_dirty_for_io+0x6b5/0x8c0 [ 122.709920][ T1166] jfs_get_block+0x346/0xab0 [ 122.709963][ T1166] ? __pfx_jfs_get_block+0x10/0x10 [ 122.709992][ T1166] ? writeback_iter+0xcf4/0x12a0 [ 122.710036][ T1166] mpage_writepages+0x7eb/0x1cc0 [ 122.710091][ T1166] ? __pfx_jfs_get_block+0x10/0x10 [ 122.710131][ T1166] ? __pfx_mpage_writepages+0x10/0x10 [ 122.710186][ T1166] ? _raw_spin_unlock_irq+0x23/0x50 [ 122.710225][ T1166] ? lockdep_hardirqs_on+0x9c/0x150 [ 122.710260][ T1166] ? __lock_acquire+0xab9/0xd20 [ 122.710286][ T1166] ? __pfx_jfs_writepages+0x10/0x10 [ 122.710316][ T1166] do_writepages+0x32e/0x550 [ 122.710349][ T1166] ? reacquire_held_locks+0x127/0x1d0 [ 122.710373][ T1166] ? writeback_sb_inodes+0x372/0x1000 [ 122.710417][ T1166] __writeback_single_inode+0x145/0xff0 [ 122.710461][ T1166] ? do_raw_spin_unlock+0x122/0x240 [ 122.710496][ T1166] writeback_sb_inodes+0x6b5/0x1000 [ 122.710562][ T1166] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 122.710655][ T1166] ? __pfx___up_read+0x10/0x10 [ 122.710698][ T1166] __writeback_inodes_wb+0x111/0x240 [ 122.710743][ T1166] wb_writeback+0x44f/0xaf0 [ 122.710787][ T1166] ? queue_io+0x341/0x590 [ 122.710824][ T1166] ? __pfx_wb_writeback+0x10/0x10 [ 122.710878][ T1166] wb_workfn+0xaef/0xef0 [ 122.710930][ T1166] ? __pfx_wb_workfn+0x10/0x10 [ 122.710970][ T1166] ? __lock_acquire+0xab9/0xd20 [ 122.711010][ T1166] ? process_scheduled_works+0x9ef/0x17b0 [ 122.711042][ T1166] ? _raw_spin_unlock_irq+0x23/0x50 [ 122.711097][ T1166] ? process_scheduled_works+0x9ef/0x17b0 [ 122.711118][ T1166] ? process_scheduled_works+0x9ef/0x17b0 [ 122.711144][ T1166] process_scheduled_works+0xade/0x17b0 [ 122.711228][ T1166] ? __pfx_process_scheduled_works+0x10/0x10 [ 122.711275][ T1166] worker_thread+0x8a0/0xda0 [ 122.711325][ T1166] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 122.711370][ T1166] ? __kthread_parkme+0x7b/0x200 [ 122.711408][ T1166] kthread+0x711/0x8a0 [ 122.711463][ T1166] ? __pfx_worker_thread+0x10/0x10 [ 122.711486][ T1166] ? __pfx_kthread+0x10/0x10 [ 122.711537][ T1166] ? _raw_spin_unlock_irq+0x23/0x50 [ 122.711577][ T1166] ? lockdep_hardirqs_on+0x9c/0x150 [ 122.711597][ T1166] ? __pfx_kthread+0x10/0x10 [ 122.711647][ T1166] ret_from_fork+0x3fc/0x770 [ 122.711673][ T1166] ? __pfx_ret_from_fork+0x10/0x10 [ 122.711702][ T1166] ? __switch_to_asm+0x39/0x70 [ 122.711746][ T1166] ? __switch_to_asm+0x33/0x70 [ 122.711770][ T1166] ? __pfx_kthread+0x10/0x10 [ 122.711801][ T1166] ret_from_fork_asm+0x1a/0x30 [ 122.711852][ T1166] [ 123.058788][ T1166] ---[ end trace ]--- [ 123.062900][ T1166] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 123.070143][ T1166] CPU: 0 UID: 0 PID: 1166 Comm: kworker/u8:5 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) [ 123.080586][ T1166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 123.090658][ T1166] Workqueue: writeback wb_workfn (flush-7:0) [ 123.096677][ T1166] Call Trace: [ 123.099967][ T1166] [ 123.102915][ T1166] dump_stack_lvl+0x99/0x250 [ 123.107521][ T1166] ? __asan_memcpy+0x40/0x70 [ 123.112139][ T1166] ? __pfx_dump_stack_lvl+0x10/0x10 [ 123.117351][ T1166] ? __pfx__printk+0x10/0x10 [ 123.121979][ T1166] panic+0x2db/0x790 [ 123.125906][ T1166] ? __pfx_panic+0x10/0x10 [ 123.130342][ T1166] ? _printk+0xcf/0x120 [ 123.134526][ T1166] ? __pfx__printk+0x10/0x10 [ 123.139145][ T1166] check_panic_on_warn+0x89/0xb0 [ 123.144104][ T1166] __ubsan_handle_out_of_bounds+0xe9/0xf0 [ 123.149853][ T1166] dbAllocBits+0xa07/0xa60 [ 123.154300][ T1166] dbAllocNear+0x2aa/0x3d0 [ 123.158772][ T1166] dbAlloc+0x933/0xba0 [ 123.162867][ T1166] extAlloc+0x54a/0xfb0 [ 123.167057][ T1166] ? __pfx_extAlloc+0x10/0x10 [ 123.171754][ T1166] ? down_write_nested+0x169/0x200 [ 123.176884][ T1166] ? __pfx_down_write_nested+0x10/0x10 [ 123.182362][ T1166] ? folio_clear_dirty_for_io+0x6b5/0x8c0 [ 123.188108][ T1166] jfs_get_block+0x346/0xab0 [ 123.192726][ T1166] ? __pfx_jfs_get_block+0x10/0x10 [ 123.197862][ T1166] ? writeback_iter+0xcf4/0x12a0 [ 123.202831][ T1166] mpage_writepages+0x7eb/0x1cc0 [ 123.207808][ T1166] ? __pfx_jfs_get_block+0x10/0x10 [ 123.212947][ T1166] ? __pfx_mpage_writepages+0x10/0x10 [ 123.218359][ T1166] ? _raw_spin_unlock_irq+0x23/0x50 [ 123.223583][ T1166] ? lockdep_hardirqs_on+0x9c/0x150 [ 123.228807][ T1166] ? __lock_acquire+0xab9/0xd20 [ 123.233684][ T1166] ? __pfx_jfs_writepages+0x10/0x10 [ 123.238903][ T1166] do_writepages+0x32e/0x550 [ 123.243517][ T1166] ? reacquire_held_locks+0x127/0x1d0 [ 123.248906][ T1166] ? writeback_sb_inodes+0x372/0x1000 [ 123.254317][ T1166] __writeback_single_inode+0x145/0xff0 [ 123.259887][ T1166] ? do_raw_spin_unlock+0x122/0x240 [ 123.265118][ T1166] writeback_sb_inodes+0x6b5/0x1000 [ 123.270374][ T1166] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 123.276068][ T1166] ? __pfx___up_read+0x10/0x10 [ 123.280864][ T1166] __writeback_inodes_wb+0x111/0x240 [ 123.286182][ T1166] wb_writeback+0x44f/0xaf0 [ 123.290719][ T1166] ? queue_io+0x341/0x590 [ 123.295074][ T1166] ? __pfx_wb_writeback+0x10/0x10 [ 123.300224][ T1166] wb_workfn+0xaef/0xef0 [ 123.304500][ T1166] ? __pfx_wb_workfn+0x10/0x10 [ 123.309288][ T1166] ? __lock_acquire+0xab9/0xd20 [ 123.314171][ T1166] ? process_scheduled_works+0x9ef/0x17b0 [ 123.319909][ T1166] ? _raw_spin_unlock_irq+0x23/0x50 [ 123.325132][ T1166] ? process_scheduled_works+0x9ef/0x17b0 [ 123.330868][ T1166] ? process_scheduled_works+0x9ef/0x17b0 [ 123.336605][ T1166] process_scheduled_works+0xade/0x17b0 [ 123.342223][ T1166] ? __pfx_process_scheduled_works+0x10/0x10 [ 123.348237][ T1166] worker_thread+0x8a0/0xda0 [ 123.352851][ T1166] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 123.359217][ T1166] ? __kthread_parkme+0x7b/0x200 [ 123.364276][ T1166] kthread+0x711/0x8a0 [ 123.368377][ T1166] ? __pfx_worker_thread+0x10/0x10 [ 123.373504][ T1166] ? __pfx_kthread+0x10/0x10 [ 123.378122][ T1166] ? _raw_spin_unlock_irq+0x23/0x50 [ 123.383362][ T1166] ? lockdep_hardirqs_on+0x9c/0x150 [ 123.388573][ T1166] ? __pfx_kthread+0x10/0x10 [ 123.393189][ T1166] ret_from_fork+0x3fc/0x770 [ 123.397800][ T1166] ? __pfx_ret_from_fork+0x10/0x10 [ 123.402934][ T1166] ? __switch_to_asm+0x39/0x70 [ 123.407716][ T1166] ? __switch_to_asm+0x33/0x70 [ 123.412508][ T1166] ? __pfx_kthread+0x10/0x10 [ 123.417125][ T1166] ret_from_fork_asm+0x1a/0x30 [ 123.421926][ T1166] [ 123.425519][ T1166] Kernel Offset: disabled [ 123.429882][ T1166] Rebooting in 86400 seconds..