./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3684022747 <...> Warning: Permanently added '10.128.1.198' (ED25519) to the list of known hosts. execve("./syz-executor3684022747", ["./syz-executor3684022747"], 0x7ffe1a669050 /* 10 vars */) = 0 brk(NULL) = 0x55555c8e8000 brk(0x55555c8e8d00) = 0x55555c8e8d00 arch_prctl(ARCH_SET_FS, 0x55555c8e8380) = 0 set_tid_address(0x55555c8e8650) = 5090 set_robust_list(0x55555c8e8660, 24) = 0 rseq(0x55555c8e8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3684022747", 4096) = 28 getrandom("\xd5\xca\x28\xf1\x75\xe1\x97\x8b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c8e8d00 brk(0x55555c909d00) = 0x55555c909d00 brk(0x55555c90a000) = 0x55555c90a000 mprotect(0x7fc116f1e000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 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 5091 attached , child_tidptr=0x55555c8e8650) = 5091 [pid 5091] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 executing program [pid 5091] write(1, "executing program\n", 18) = 18 [pid 5091] memfd_create("syzkaller", 0) = 3 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5091] 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 5091] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5091] close(3) = 0 [pid 5091] close(4) = 0 [pid 5091] mkdir("./file0", 0777) = 0 syzkaller login: [ 74.850018][ T5091] loop0: detected capacity change from 0 to 32768 [ 74.936354][ T5091] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,nojournal_transaction_names [ 74.950573][ T5091] bcachefs (loop0): recovering from clean shutdown, journal seq 8 [ 74.972666][ T5091] bcachefs (loop0): alloc_read... done [ 74.978449][ T5091] bcachefs (loop0): stripes_read... done [pid 5091] mount("/dev/loop0", "./file0", "bcachefs", 0, "\x24\xe5\x12\xfb\xe5") = 0 [pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5091] chdir("./file0") = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_CLR_FD) = 0 [pid 5091] close(4) = 0 [pid 5091] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 4 [pid 5091] ftruncate(4, 33587199) = 0 [ 74.984210][ T5091] bcachefs (loop0): snapshots_read... done [ 74.993473][ T5091] bcachefs (loop0): journal_replay... done [ 74.999325][ T5091] bcachefs (loop0): resume_logged_ops... done [ 75.005714][ T5091] bcachefs (loop0): going read-write [ 75.015448][ T5091] bcachefs (loop0): done starting filesystem [pid 5091] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5091] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5091] read(5, 0x20000180, 4294966855) = 16776832 [pid 5091] exit_group(0) = ? [pid 5091] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=60 /* 0.60 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached , child_tidptr=0x55555c8e8650) = 5102 [pid 5102] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 executing program [pid 5102] write(1, "executing program\n", 18) = 18 [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5102] 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 5102] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5102] ioctl(4, LOOP_CLR_FD) = 0 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5102] close(4) = 0 [pid 5102] close(3) = 0 [pid 5102] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5102] ftruncate(3, 33587199) = 0 [pid 5102] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5102] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5102] read(4, 0x20000180, 4294966855) = 16776832 [pid 5102] exit_group(0) = ? [pid 5102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=66 /* 0.66 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached , child_tidptr=0x55555c8e8650) = 5103 [pid 5103] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5103] setpgid(0, 0) = 0 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5103] write(3, "1000", 4) = 4 [pid 5103] close(3) = 0 executing program [pid 5103] write(1, "executing program\n", 18) = 18 [pid 5103] memfd_create("syzkaller", 0) = 3 [pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5103] 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 5103] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5103] ioctl(4, LOOP_CLR_FD) = 0 [pid 5103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5103] close(4) = 0 [pid 5103] close(3) = 0 [pid 5103] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5103] ftruncate(3, 33587199) = 0 [pid 5103] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5103] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5103] read(4, 0x20000180, 4294966855) = 16776832 [pid 5103] exit_group(0) = ? [pid 5103] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=68 /* 0.68 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached [pid 5104] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5104 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 executing program [pid 5104] write(1, "executing program\n", 18) = 18 [pid 5104] memfd_create("syzkaller", 0) = 3 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5104] 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 5104] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5104] ioctl(4, LOOP_CLR_FD) = 0 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5104] close(4) = 0 [pid 5104] close(3) = 0 [pid 5104] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5104] ftruncate(3, 33587199) = 0 [pid 5104] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5104] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5104] read(4, 0x20000180, 4294966855) = 16776832 [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached [pid 5105] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5105 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] write(1, "executing program\n", 18executing program ) = 18 [pid 5105] memfd_create("syzkaller", 0) = 3 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5105] 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 5105] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5105] ioctl(4, LOOP_CLR_FD) = 0 [pid 5105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5105] close(4) = 0 [pid 5105] close(3) = 0 [pid 5105] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5105] ftruncate(3, 33587199) = 0 [pid 5105] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5105] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5105] read(4, 0x20000180, 4294966855) = 16776832 [pid 5105] exit_group(0) = ? [pid 5105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5106 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 executing program [pid 5106] write(1, "executing program\n", 18) = 18 [pid 5106] memfd_create("syzkaller", 0) = 3 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5106] 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 5106] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5106] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5106] close(4) = 0 [pid 5106] close(3) = 0 [pid 5106] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5106] ftruncate(3, 33587199) = 0 [pid 5106] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5106] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5106] read(4, 0x20000180, 4294966855) = 16776832 [pid 5106] exit_group(0) = ? [pid 5106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached , child_tidptr=0x55555c8e8650) = 5107 [pid 5107] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5107] close(3) = 0 [pid 5107] write(1, "executing program\n", 18executing program ) = 18 [pid 5107] memfd_create("syzkaller", 0) = 3 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5107] 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 5107] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5107] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5107] ioctl(4, LOOP_CLR_FD) = 0 [pid 5107] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5107] close(4) = 0 [pid 5107] close(3) = 0 [pid 5107] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5107] ftruncate(3, 33587199) = 0 [pid 5107] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5107] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5107] read(4, 0x20000180, 4294966855) = 16776832 [pid 5107] exit_group(0) = ? [pid 5107] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached , child_tidptr=0x55555c8e8650) = 5108 [pid 5108] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 executing program [pid 5108] write(1, "executing program\n", 18) = 18 [pid 5108] memfd_create("syzkaller", 0) = 3 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5108] 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 5108] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5108] ioctl(4, LOOP_CLR_FD) = 0 [pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5108] close(4) = 0 [pid 5108] close(3) = 0 [pid 5108] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5108] ftruncate(3, 33587199) = 0 [pid 5108] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5108] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5108] read(4, 0x20000180, 4294966855) = 16776832 [pid 5108] exit_group(0) = ? [pid 5108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5110 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5110] setpgid(0, 0) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5110] write(3, "1000", 4) = 4 [pid 5110] close(3) = 0 [pid 5110] write(1, "executing program\n", 18executing program ) = 18 [pid 5110] memfd_create("syzkaller", 0) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5110] 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 5110] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5110] ioctl(4, LOOP_CLR_FD) = 0 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5110] close(4) = 0 [pid 5110] close(3) = 0 [pid 5110] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5110] ftruncate(3, 33587199) = 0 [pid 5110] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5110] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5110] read(4, 0x20000180, 4294966855) = 16776832 [pid 5110] exit_group(0) = ? [pid 5110] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached , child_tidptr=0x55555c8e8650) = 5112 [pid 5112] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3executing program ) = 0 [pid 5112] write(1, "executing program\n", 18) = 18 [pid 5112] memfd_create("syzkaller", 0) = 3 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5112] 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 5112] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5112] ioctl(4, LOOP_CLR_FD) = 0 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5112] close(4) = 0 [pid 5112] close(3) = 0 [pid 5112] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5112] ftruncate(3, 33587199) = 0 [pid 5112] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5112] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5112] read(4, 0x20000180, 4294966855) = 16776832 [pid 5112] exit_group(0) = ? [pid 5112] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached [pid 5113] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5113 [pid 5113] <... prctl resumed>) = 0 [pid 5113] setpgid(0, 0) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] write(1, "executing program\n", 18executing program ) = 18 [pid 5113] memfd_create("syzkaller", 0) = 3 [pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5113] 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 5113] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5113] ioctl(4, LOOP_CLR_FD) = 0 [pid 5113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5113] close(4) = 0 [pid 5113] close(3) = 0 [pid 5113] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5113] ftruncate(3, 33587199) = 0 [pid 5113] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5113] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5113] read(4, 0x20000180, 4294966855) = 16776832 [pid 5113] exit_group(0) = ? [pid 5113] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached , child_tidptr=0x55555c8e8650) = 5114 [pid 5114] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 executing program [pid 5114] write(1, "executing program\n", 18) = 18 [pid 5114] memfd_create("syzkaller", 0) = 3 [pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5114] 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 5114] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5114] ioctl(4, LOOP_CLR_FD) = 0 [pid 5114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5114] close(4) = 0 [pid 5114] close(3) = 0 [pid 5114] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5114] ftruncate(3, 33587199) = 0 [pid 5114] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5114] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5114] read(4, 0x20000180, 4294966855) = 16776832 [pid 5114] exit_group(0) = ? [pid 5114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=60 /* 0.60 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c8e8650) = 5115 ./strace-static-x86_64: Process 5115 attached [pid 5115] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3) = 0 [pid 5115] write(1, "executing program\n", 18executing program ) = 18 [pid 5115] memfd_create("syzkaller", 0) = 3 [pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5115] 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 5115] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5115] ioctl(4, LOOP_CLR_FD) = 0 [pid 5115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5115] close(4) = 0 [pid 5115] close(3) = 0 [pid 5115] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5115] ftruncate(3, 33587199) = 0 [pid 5115] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5115] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5115] read(4, 0x20000180, 4294966855) = 16776832 [pid 5115] exit_group(0) = ? [pid 5115] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached [pid 5116] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5116] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5116 [pid 5116] <... setpgid resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] write(3, "1000", 4) = 4 [pid 5116] close(3) = 0 [pid 5116] write(1, "executing program\n", 18executing program ) = 18 [pid 5116] memfd_create("syzkaller", 0) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5116] 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 5116] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5116] ioctl(4, LOOP_CLR_FD) = 0 [pid 5116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5116] close(4) = 0 [pid 5116] close(3) = 0 [pid 5116] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5116] ftruncate(3, 33587199) = 0 [pid 5116] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5116] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5116] read(4, 0x20000180, 4294966855) = 16776832 [pid 5116] exit_group(0) = ? [pid 5116] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=50 /* 0.50 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached , child_tidptr=0x55555c8e8650) = 5117 [pid 5117] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5117] write(3, "1000", 4) = 4 [pid 5117] close(3) = 0 executing program [pid 5117] write(1, "executing program\n", 18) = 18 [pid 5117] memfd_create("syzkaller", 0) = 3 [pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5117] 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 5117] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5117] ioctl(4, LOOP_CLR_FD) = 0 [pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5117] close(4) = 0 [pid 5117] close(3) = 0 [pid 5117] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5117] ftruncate(3, 33587199) = 0 [pid 5117] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5117] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5117] read(4, 0x20000180, 4294966855) = 16776832 [pid 5117] exit_group(0) = ? [pid 5117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached , child_tidptr=0x55555c8e8650) = 5118 [pid 5118] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3) = 0 executing program [pid 5118] write(1, "executing program\n", 18) = 18 [pid 5118] memfd_create("syzkaller", 0) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5118] 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 5118] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5118] ioctl(4, LOOP_CLR_FD) = 0 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5118] close(4) = 0 [pid 5118] close(3) = 0 [pid 5118] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5118] ftruncate(3, 33587199) = 0 [pid 5118] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5118] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5118] read(4, 0x20000180, 4294966855) = 16776832 [pid 5118] exit_group(0) = ? [pid 5118] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached [ 86.364843][ T2905] cfg80211: failed to load regulatory.db [pid 5119] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5119 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4) = 4 [pid 5119] close(3) = 0 executing program [pid 5119] write(1, "executing program\n", 18) = 18 [pid 5119] memfd_create("syzkaller", 0) = 3 [pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5119] 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 5119] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5119] ioctl(4, LOOP_CLR_FD) = 0 [pid 5119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5119] close(4) = 0 [pid 5119] close(3) = 0 [pid 5119] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5119] ftruncate(3, 33587199) = 0 [pid 5119] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5119] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5119] read(4, 0x20000180, 4294966855) = 16776832 [pid 5119] exit_group(0) = ? [pid 5119] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached , child_tidptr=0x55555c8e8650) = 5120 [pid 5120] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 executing program [pid 5120] write(1, "executing program\n", 18) = 18 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5120] 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 5120] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5120] ioctl(4, LOOP_CLR_FD) = 0 [pid 5120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5120] close(4) = 0 [pid 5120] close(3) = 0 [pid 5120] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5120] ftruncate(3, 33587199) = 0 [pid 5120] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5120] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5120] read(4, 0x20000180, 4294966855) = 16776832 [pid 5120] exit_group(0) = ? [pid 5120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached , child_tidptr=0x55555c8e8650) = 5121 [pid 5121] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5121] write(3, "1000", 4) = 4 [pid 5121] close(3) = 0 [pid 5121] write(1, "executing program\n", 18executing program ) = 18 [pid 5121] memfd_create("syzkaller", 0) = 3 [pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5121] 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 5121] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5121] ioctl(4, LOOP_CLR_FD) = 0 [pid 5121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5121] close(4) = 0 [pid 5121] close(3) = 0 [pid 5121] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5121] ftruncate(3, 33587199) = 0 [pid 5121] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5121] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5121] read(4, 0x20000180, 4294966855) = 16776832 [pid 5121] exit_group(0) = ? [pid 5121] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached , child_tidptr=0x55555c8e8650) = 5122 [pid 5122] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5122] setpgid(0, 0) = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5122] write(3, "1000", 4) = 4 [pid 5122] close(3) = 0 executing program [pid 5122] write(1, "executing program\n", 18) = 18 [pid 5122] memfd_create("syzkaller", 0) = 3 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5122] 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 5122] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5122] ioctl(4, LOOP_CLR_FD) = 0 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5122] close(4) = 0 [pid 5122] close(3) = 0 [pid 5122] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5122] ftruncate(3, 33587199) = 0 [pid 5122] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5122] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5122] read(4, 0x20000180, 4294966855) = 16776832 [pid 5122] exit_group(0) = ? [pid 5122] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5123 attached [pid 5123] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5123 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5123] setpgid(0, 0) = 0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5123] write(3, "1000", 4) = 4 [pid 5123] close(3) = 0 executing program [pid 5123] write(1, "executing program\n", 18) = 18 [pid 5123] memfd_create("syzkaller", 0) = 3 [pid 5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5123] 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 5123] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5123] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5123] ioctl(4, LOOP_CLR_FD) = 0 [pid 5123] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5123] close(4) = 0 [pid 5123] close(3) = 0 [pid 5123] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5123] ftruncate(3, 33587199) = 0 [pid 5123] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5123] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5123] read(4, 0x20000180, 4294966855) = 16776832 [pid 5123] exit_group(0) = ? [pid 5123] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5124 attached [pid 5124] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5124 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5124] write(3, "1000", 4) = 4 [pid 5124] close(3) = 0 executing program [pid 5124] write(1, "executing program\n", 18) = 18 [pid 5124] memfd_create("syzkaller", 0) = 3 [pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5124] 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 5124] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5124] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5124] ioctl(4, LOOP_CLR_FD) = 0 [pid 5124] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5124] close(4) = 0 [pid 5124] close(3) = 0 [pid 5124] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5124] ftruncate(3, 33587199) = 0 [pid 5124] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5124] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5124] read(4, 0x20000180, 4294966855) = 16776832 [pid 5124] exit_group(0) = ? [pid 5124] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached [pid 5125] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5125 [pid 5125] <... prctl resumed>) = 0 [pid 5125] setpgid(0, 0) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 executing program [pid 5125] write(1, "executing program\n", 18) = 18 [pid 5125] memfd_create("syzkaller", 0) = 3 [pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5125] 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 5125] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5125] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5125] ioctl(4, LOOP_CLR_FD) = 0 [pid 5125] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5125] close(4) = 0 [pid 5125] close(3) = 0 [pid 5125] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5125] ftruncate(3, 33587199) = 0 [pid 5125] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5125] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5125] read(4, 0x20000180, 4294966855) = 16776832 [pid 5125] exit_group(0) = ? [pid 5125] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5126 attached , child_tidptr=0x55555c8e8650) = 5126 [pid 5126] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5126] setpgid(0, 0) = 0 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5126] write(3, "1000", 4) = 4 [pid 5126] close(3) = 0 [pid 5126] write(1, "executing program\n", 18executing program ) = 18 [pid 5126] memfd_create("syzkaller", 0) = 3 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5126] 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 5126] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] close(4) = 0 [pid 5126] close(3) = 0 [pid 5126] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5126] ftruncate(3, 33587199) = 0 [pid 5126] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5126] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5126] read(4, 0x20000180, 4294966855) = 16776832 [pid 5126] exit_group(0) = ? [pid 5126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5127 attached , child_tidptr=0x55555c8e8650) = 5127 [pid 5127] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5127] setpgid(0, 0) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5127] write(3, "1000", 4) = 4 [pid 5127] close(3) = 0 [pid 5127] write(1, "executing program\n", 18executing program ) = 18 [pid 5127] memfd_create("syzkaller", 0) = 3 [pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5127] 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 5127] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5127] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5127] ioctl(4, LOOP_CLR_FD) = 0 [pid 5127] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5127] close(4) = 0 [pid 5127] close(3) = 0 [pid 5127] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5127] ftruncate(3, 33587199) = 0 [pid 5127] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5127] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5127] read(4, 0x20000180, 4294966855) = 16776832 [pid 5127] exit_group(0) = ? [pid 5127] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5128 attached [pid 5128] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5128 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] write(3, "1000", 4) = 4 [pid 5128] close(3) = 0 [pid 5128] write(1, "executing program\n", 18executing program ) = 18 [pid 5128] memfd_create("syzkaller", 0) = 3 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5128] 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 5128] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5128] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5128] ioctl(4, LOOP_CLR_FD) = 0 [pid 5128] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5128] close(4) = 0 [pid 5128] close(3) = 0 [pid 5128] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5128] ftruncate(3, 33587199) = 0 [pid 5128] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5128] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5128] read(4, 0x20000180, 4294966855) = 16776832 [pid 5128] exit_group(0) = ? [pid 5128] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5129 attached , child_tidptr=0x55555c8e8650) = 5129 [pid 5129] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5129] setpgid(0, 0) = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5129] write(3, "1000", 4) = 4 [pid 5129] close(3) = 0 executing program [pid 5129] write(1, "executing program\n", 18) = 18 [pid 5129] memfd_create("syzkaller", 0) = 3 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5129] 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 5129] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5129] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5129] ioctl(4, LOOP_CLR_FD) = 0 [pid 5129] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5129] close(4) = 0 [pid 5129] close(3) = 0 [pid 5129] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5129] ftruncate(3, 33587199) = 0 [pid 5129] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5129] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5129] read(4, 0x20000180, 4294966855) = 16776832 [pid 5129] exit_group(0) = ? [pid 5129] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached , child_tidptr=0x55555c8e8650) = 5130 [pid 5130] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5130] write(3, "1000", 4) = 4 [pid 5130] close(3) = 0 [pid 5130] write(1, "executing program\n", 18executing program ) = 18 [pid 5130] memfd_create("syzkaller", 0) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5130] 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 5130] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5130] ioctl(4, LOOP_CLR_FD) = 0 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5130] close(4) = 0 [ 94.693920][ T1100] Allocator stuck? Waited for 10 seconds [ 94.693962][ T1100] Allocator debug: [ 94.693975][ T1100] hidden8448 [ 94.693987][ T1100] btree 2816 [ 94.694000][ T1100] data 6432 [ 94.694014][ T1100] cached 0 [ 94.694026][ T1100] reserved 0 [ 94.694039][ T1100] online_reserved 6144 [pid 5130] close(3) = 0 [ 94.694052][ T1100] nr_inodes 9 [ 94.694065][ T1100] [ 94.694077][ T1100] freelist_wait waiting [ 94.694090][ T1100] open buckets allocated1 [ 94.694103][ T1100] open buckets total 1024 [ 94.694116][ T1100] open_buckets_wait empty [ 94.694129][ T1100] open_buckets_btree 0 [ 94.694142][ T1100] open_buckets_user 0 [ 94.694155][ T1100] btree reserve cache 0 [ 94.694167][ T1100] [ 94.694178][ T1100] Dev 0: [ 94.694190][ T1100] buckets sectors fragmented [ 94.694206][ T1100] free 58 0 0 [ 94.694222][ T1100] sb 25 6152 248 [ 94.694238][ T1100] journal 8 2048 0 [ 94.694255][ T1100] btree 11 2816 0 [ 94.694271][ T1100] user 26 6432 224 [pid 5130] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5130] ftruncate(3, 33587199) = 0 [pid 5130] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5130] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [ 94.694287][ T1100] cached 8 0 0 [ 94.694303][ T1100] parity 0 0 0 [ 94.694319][ T1100] stripe 0 0 0 [ 94.694335][ T1100] need_gc_gens 0 0 0 [ 94.694351][ T1100] need_discard 0 0 0 [ 94.694368][ T1100] [ 94.694379][ T1100] reserves: [ 94.694391][ T1100] stripe 60 [ 94.694409][ T1100] normal 58 [ 94.694422][ T1100] copygc 56 [ 94.694436][ T1100] btree 28 [ 94.694450][ T1100] btree_copygc 0 [ 94.694464][ T1100] reclaim 0 [ 94.694478][ T1100] interior_updates 0 [ 94.694492][ T1100] [ 94.694503][ T1100] open buckets 0 [ 94.694517][ T1100] buckets to invalidate 1 [ 94.694530][ T1100] [ 94.694541][ T1100] Copygc debug: [ 94.694554][ T1100] Currently waiting for: 336 KiB [ 94.694567][ T1100] Currently waiting since: 0 B [ 94.694581][ T1100] Currently calculated wait: 544 B [ 94.694595][ T1100] [ 94.694606][ T1100] Journal debug: [ 94.694618][ T1100] flags: replay_done,running,may_skip_flush [ 94.694633][ T1100] dirty journal entries:0/32768 [ 94.694646][ T1100] seq: 13 [ 94.694659][ T1100] seq_ondisk:13 [ 94.694671][ T1100] last_seq:14 [ 94.694683][ T1100] last_seq_ondisk:13 [ 94.694696][ T1100] flushed_seq_ondisk:13 [ 94.694709][ T1100] watermark:stripe [ 94.694722][ T1100] each entry reserved:361 [ 94.694734][ T1100] nr flush writes:5 [ 94.694747][ T1100] nr noflush writes:0 [ 94.694760][ T1100] average write size:3.92 KiB [ 94.694773][ T1100] nr direct reclaim:0 [ 94.694785][ T1100] nr background reclaim:25 [ 94.694798][ T1100] reclaim kicked:0 [ 94.694811][ T1100] reclaim runs in:0 ms [ 94.694824][ T1100] blocked: 0 [ 94.694836][ T1100] current entry sectors:256 [ 94.694849][ T1100] current entry error:ok [ 94.694862][ T1100] current entry:closed [ 94.694874][ T1100] unwritten entries: [ 94.694887][ T1100] last buf closed [ 94.694899][ T1100] space: [ 94.694911][ T1100] discarded256:1536 [ 94.694924][ T1100] clean ondisk256:1536 [ 94.694936][ T1100] clean 256:1536 [ 94.694949][ T1100] total 256:2048 [ 94.694962][ T1100] dev 0: [ 94.694973][ T1100] nr 8 [ 94.694986][ T1100] bucket size256 [ 94.694998][ T1100] available6:192 [pid 5130] read(4, 0x20000180, 4294966855) = 16776832 [pid 5130] exit_group(0) = ? [ 94.695010][ T1100] discard_idx0 [ 94.695023][ T1100] dirty_ondisk0 (seq 13) [ 94.695036][ T1100] dirty_idx0 (seq 13) [ 94.695049][ T1100] cur_idx0 (seq 13) [ 94.695061][ T1100] [pid 5130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=67 /* 0.67 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5131 attached , child_tidptr=0x55555c8e8650) = 5131 [pid 5131] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5131] setpgid(0, 0) = 0 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5131] write(3, "1000", 4) = 4 [pid 5131] close(3) = 0 [pid 5131] write(1, "executing program\n", 18executing program ) = 18 [pid 5131] memfd_create("syzkaller", 0) = 3 [pid 5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5131] 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 5131] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5131] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5131] ioctl(4, LOOP_CLR_FD) = 0 [pid 5131] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5131] close(4) = 0 [pid 5131] close(3) = 0 [pid 5131] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5131] ftruncate(3, 33587199) = 0 [pid 5131] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5131] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5131] read(4, 0x20000180, 4294966855) = 16776832 [pid 5131] exit_group(0) = ? [pid 5131] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5132 attached [pid 5132] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5132 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5132] setpgid(0, 0) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 executing program [pid 5132] write(1, "executing program\n", 18) = 18 [pid 5132] memfd_create("syzkaller", 0) = 3 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5132] 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 5132] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5132] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5132] ioctl(4, LOOP_CLR_FD) = 0 [pid 5132] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5132] close(4) = 0 [pid 5132] close(3) = 0 [pid 5132] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5132] ftruncate(3, 33587199) = 0 [pid 5132] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5132] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5132] read(4, 0x20000180, 4294966855) = 16776832 [pid 5132] exit_group(0) = ? [pid 5132] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5133 attached , child_tidptr=0x55555c8e8650) = 5133 [pid 5133] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 executing program [pid 5133] write(1, "executing program\n", 18) = 18 [pid 5133] memfd_create("syzkaller", 0) = 3 [pid 5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5133] 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 5133] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5133] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5133] ioctl(4, LOOP_CLR_FD) = 0 [pid 5133] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5133] close(4) = 0 [pid 5133] close(3) = 0 [pid 5133] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5133] ftruncate(3, 33587199) = 0 [pid 5133] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5133] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5133] read(4, 0x20000180, 4294966855) = 16776832 [pid 5133] exit_group(0) = ? [pid 5133] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5134 attached [pid 5134] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5134] setpgid(0, 0) = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5134 [pid 5134] <... openat resumed>) = 3 [pid 5134] write(3, "1000", 4) = 4 [pid 5134] close(3) = 0 [pid 5134] write(1, "executing program\n", 18executing program ) = 18 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5134] 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 5134] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] close(4) = 0 [pid 5134] close(3) = 0 [pid 5134] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5134] ftruncate(3, 33587199) = 0 [pid 5134] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5134] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5134] read(4, 0x20000180, 4294966855) = 16776832 [pid 5134] exit_group(0) = ? [pid 5134] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5135 attached , child_tidptr=0x55555c8e8650) = 5135 [pid 5135] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5135] setpgid(0, 0) = 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5135] write(3, "1000", 4) = 4 [pid 5135] close(3) = 0 [pid 5135] write(1, "executing program\n", 18executing program ) = 18 [pid 5135] memfd_create("syzkaller", 0) = 3 [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5135] 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 5135] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5135] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5135] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5135] ioctl(4, LOOP_CLR_FD) = 0 [pid 5135] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5135] close(4) = 0 [pid 5135] close(3) = 0 [pid 5135] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5135] ftruncate(3, 33587199) = 0 [pid 5135] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5135] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5135] read(4, 0x20000180, 4294966855) = 16776832 [pid 5135] exit_group(0) = ? [pid 5135] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5136 attached [pid 5136] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5136 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3) = 0 executing program [pid 5136] write(1, "executing program\n", 18) = 18 [pid 5136] memfd_create("syzkaller", 0) = 3 [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5136] 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 5136] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5136] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5136] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5136] ioctl(4, LOOP_CLR_FD) = 0 [pid 5136] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5136] close(4) = 0 [pid 5136] close(3) = 0 [pid 5136] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5136] ftruncate(3, 33587199) = 0 [pid 5136] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5136] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5136] read(4, 0x20000180, 4294966855) = 16776832 [pid 5136] exit_group(0) = ? [pid 5136] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5137 attached [pid 5137] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5137 [pid 5137] <... prctl resumed>) = 0 [pid 5137] setpgid(0, 0) = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5137] write(3, "1000", 4) = 4 [pid 5137] close(3) = 0 [pid 5137] write(1, "executing program\n", 18executing program ) = 18 [pid 5137] memfd_create("syzkaller", 0) = 3 [pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5137] 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 5137] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5137] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5137] ioctl(4, LOOP_CLR_FD) = 0 [pid 5137] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5137] close(4) = 0 [pid 5137] close(3) = 0 [pid 5137] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5137] ftruncate(3, 33587199) = 0 [pid 5137] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5137] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5137] read(4, 0x20000180, 4294966855) = 16776832 [pid 5137] exit_group(0) = ? [pid 5137] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5138 attached , child_tidptr=0x55555c8e8650) = 5138 [pid 5138] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] write(1, "executing program\n", 18executing program ) = 18 [pid 5138] memfd_create("syzkaller", 0) = 3 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5138] 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 5138] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5138] ioctl(4, LOOP_CLR_FD) = 0 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5138] close(4) = 0 [pid 5138] close(3) = 0 [pid 5138] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5138] ftruncate(3, 33587199) = 0 [pid 5138] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5138] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5138] read(4, 0x20000180, 4294966855) = 16776832 [pid 5138] exit_group(0) = ? [pid 5138] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 5139 attached , child_tidptr=0x55555c8e8650) = 5139 [pid 5139] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] setpgid(0, 0) = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] write(1, "executing program\n", 18) = 18 [pid 5139] memfd_create("syzkaller", 0) = 3 [pid 5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5139] 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 5139] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5139] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5139] ioctl(4, LOOP_CLR_FD) = 0 [pid 5139] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5139] close(4) = 0 [pid 5139] close(3) = 0 [pid 5139] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5139] ftruncate(3, 33587199) = 0 [pid 5139] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5139] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5139] read(4, 0x20000180, 4294966855) = 16776832 [pid 5139] exit_group(0) = ? [pid 5139] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5140 attached , child_tidptr=0x55555c8e8650) = 5140 [pid 5140] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] setpgid(0, 0) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5140] write(3, "1000", 4) = 4 [pid 5140] close(3) = 0 [pid 5140] write(1, "executing program\n", 18executing program ) = 18 [pid 5140] memfd_create("syzkaller", 0) = 3 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5140] 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 5140] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5140] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5140] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5140] ioctl(4, LOOP_CLR_FD) = 0 [pid 5140] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5140] close(4) = 0 [pid 5140] close(3) = 0 [pid 5140] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5140] ftruncate(3, 33587199) = 0 [pid 5140] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5140] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5140] read(4, 0x20000180, 4294966855) = 16776832 [pid 5140] exit_group(0) = ? [pid 5140] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5141 attached , child_tidptr=0x55555c8e8650) = 5141 [pid 5141] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [pid 5141] write(1, "executing program\n", 18executing program ) = 18 [pid 5141] memfd_create("syzkaller", 0) = 3 [pid 5141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5141] 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 5141] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5141] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5141] ioctl(4, LOOP_CLR_FD) = 0 [pid 5141] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5141] close(4) = 0 [pid 5141] close(3) = 0 [pid 5141] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5141] ftruncate(3, 33587199) = 0 [pid 5141] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5141] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5141] read(4, 0x20000180, 4294966855) = 16776832 [pid 5141] exit_group(0) = ? [pid 5141] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached , child_tidptr=0x55555c8e8650) = 5142 [pid 5142] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5142] setpgid(0, 0) = 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5142] write(3, "1000", 4) = 4 [pid 5142] close(3) = 0 [pid 5142] write(1, "executing program\n", 18executing program ) = 18 [pid 5142] memfd_create("syzkaller", 0) = 3 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5142] 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 5142] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] ioctl(4, LOOP_CLR_FD) = 0 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] close(4) = 0 [pid 5142] close(3) = 0 [pid 5142] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5142] ftruncate(3, 33587199) = 0 [pid 5142] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5142] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5142] read(4, 0x20000180, 4294966855) = 16776832 [pid 5142] exit_group(0) = ? [pid 5142] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5143 attached , child_tidptr=0x55555c8e8650) = 5143 [pid 5143] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5143] setpgid(0, 0) = 0 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5143] write(3, "1000", 4) = 4 [pid 5143] close(3) = 0 executing program [pid 5143] write(1, "executing program\n", 18) = 18 [pid 5143] memfd_create("syzkaller", 0) = 3 [pid 5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5143] 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 5143] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5143] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5143] ioctl(4, LOOP_CLR_FD) = 0 [pid 5143] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5143] close(4) = 0 [pid 5143] close(3) = 0 [pid 5143] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5143] ftruncate(3, 33587199) = 0 [pid 5143] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5143] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5143] read(4, 0x20000180, 4294966855) = 16776832 [pid 5143] exit_group(0) = ? [pid 5143] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5144 attached , child_tidptr=0x55555c8e8650) = 5144 [pid 5144] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 executing program [pid 5144] write(1, "executing program\n", 18) = 18 [pid 5144] memfd_create("syzkaller", 0) = 3 [pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5144] 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 5144] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5144] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5144] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5144] ioctl(4, LOOP_CLR_FD) = 0 [pid 5144] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5144] close(4) = 0 [pid 5144] close(3) = 0 [pid 5144] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5144] ftruncate(3, 33587199) = 0 [pid 5144] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5144] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5144] read(4, 0x20000180, 4294966855) = 16776832 [pid 5144] exit_group(0) = ? [pid 5144] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached , child_tidptr=0x55555c8e8650) = 5145 [pid 5145] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] write(1, "executing program\n", 18executing program ) = 18 [pid 5145] memfd_create("syzkaller", 0) = 3 [pid 5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5145] 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 5145] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5145] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5145] ioctl(4, LOOP_CLR_FD) = 0 [pid 5145] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5145] close(4) = 0 [pid 5145] close(3) = 0 [pid 5145] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5145] ftruncate(3, 33587199) = 0 [pid 5145] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5145] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5145] read(4, 0x20000180, 4294966855) = 16776832 [pid 5145] exit_group(0) = ? [pid 5145] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5146 attached , child_tidptr=0x55555c8e8650) = 5146 [pid 5146] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5146] setpgid(0, 0) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5146] write(3, "1000", 4) = 4 [pid 5146] close(3) = 0 [pid 5146] write(1, "executing program\n", 18executing program ) = 18 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5146] 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 5146] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5146] close(4) = 0 [pid 5146] close(3) = 0 [pid 5146] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5146] ftruncate(3, 33587199) = 0 [pid 5146] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5146] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5146] read(4, 0x20000180, 4294966855) = 16776832 [pid 5146] exit_group(0) = ? [pid 5146] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5147 attached , child_tidptr=0x55555c8e8650) = 5147 [pid 5147] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5147] setpgid(0, 0) = 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5147] write(3, "1000", 4) = 4 [pid 5147] close(3) = 0 executing program [pid 5147] write(1, "executing program\n", 18) = 18 [pid 5147] memfd_create("syzkaller", 0) = 3 [pid 5147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5147] 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 5147] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5147] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5147] ioctl(4, LOOP_CLR_FD) = 0 [pid 5147] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5147] close(4) = 0 [pid 5147] close(3) = 0 [pid 5147] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5147] ftruncate(3, 33587199) = 0 [pid 5147] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5147] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5147] read(4, 0x20000180, 4294966855) = 16776832 [pid 5147] exit_group(0) = ? [pid 5147] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5148 attached , child_tidptr=0x55555c8e8650) = 5148 [pid 5148] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [pid 5148] write(1, "executing program\n", 18executing program ) = 18 [pid 5148] memfd_create("syzkaller", 0) = 3 [pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5148] 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 5148] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5148] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5148] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5148] ioctl(4, LOOP_CLR_FD) = 0 [pid 5148] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5148] close(4) = 0 [pid 5148] close(3) = 0 [pid 5148] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5148] ftruncate(3, 33587199) = 0 [pid 5148] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5148] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5148] read(4, 0x20000180, 4294966855) = 16776832 [pid 5148] exit_group(0) = ? [pid 5148] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5149 attached [pid 5149] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5149] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5149 [pid 5149] <... setpgid resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5149] close(3) = 0 [pid 5149] write(1, "executing program\n", 18executing program ) = 18 [pid 5149] memfd_create("syzkaller", 0) = 3 [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5149] 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 5149] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5149] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5149] ioctl(4, LOOP_CLR_FD) = 0 [pid 5149] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5149] close(4) = 0 [pid 5149] close(3) = 0 [pid 5149] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5149] ftruncate(3, 33587199) = 0 [pid 5149] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5149] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5149] read(4, 0x20000180, 4294966855) = 16776832 [pid 5149] exit_group(0) = ? [pid 5149] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached , child_tidptr=0x55555c8e8650) = 5150 [pid 5150] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5150] write(3, "1000", 4) = 4 [pid 5150] close(3) = 0 [pid 5150] write(1, "executing program\n", 18executing program ) = 18 [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5150] 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 5150] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] ioctl(4, LOOP_CLR_FD) = 0 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] close(4) = 0 [pid 5150] close(3) = 0 [pid 5150] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5150] ftruncate(3, 33587199) = 0 [pid 5150] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5150] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5150] read(4, 0x20000180, 4294966855) = 16776832 [pid 5150] exit_group(0) = ? [pid 5150] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5151 attached , child_tidptr=0x55555c8e8650) = 5151 [pid 5151] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3) = 0 [pid 5151] write(1, "executing program\n", 18executing program ) = 18 [pid 5151] memfd_create("syzkaller", 0) = 3 [pid 5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5151] 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 5151] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5151] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5151] ioctl(4, LOOP_CLR_FD) = 0 [pid 5151] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5151] close(4) = 0 [pid 5151] close(3) = 0 [pid 5151] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5151] ftruncate(3, 33587199) = 0 [pid 5151] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5151] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5151] read(4, 0x20000180, 4294966855) = 16776832 [pid 5151] exit_group(0) = ? [pid 5151] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5153 attached [pid 5153] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5153 [pid 5153] <... setpgid resumed>) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] write(1, "executing program\n", 18executing program ) = 18 [pid 5153] memfd_create("syzkaller", 0) = 3 [pid 5153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5153] 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 5153] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5153] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5153] ioctl(4, LOOP_CLR_FD) = 0 [pid 5153] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5153] close(4) = 0 [pid 5153] close(3) = 0 [pid 5153] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5153] ftruncate(3, 33587199) = 0 [pid 5153] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5153] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5153] read(4, 0x20000180, 4294966855) = 16776832 [pid 5153] exit_group(0) = ? [pid 5153] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5157 attached [pid 5157] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5157 [pid 5157] <... prctl resumed>) = 0 [pid 5157] setpgid(0, 0) = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5157] write(3, "1000", 4) = 4 [pid 5157] close(3) = 0 executing program [pid 5157] write(1, "executing program\n", 18) = 18 [pid 5157] memfd_create("syzkaller", 0) = 3 [pid 5157] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5157] 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 5157] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5157] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5157] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5157] ioctl(4, LOOP_CLR_FD) = 0 [pid 5157] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5157] close(4) = 0 [pid 5157] close(3) = 0 [pid 5157] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5157] ftruncate(3, 33587199) = 0 [pid 5157] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5157] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5157] read(4, 0x20000180, 4294966855) = 16776832 [pid 5157] exit_group(0) = ? [pid 5157] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5159 attached , child_tidptr=0x55555c8e8650) = 5159 [pid 5159] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5159] setpgid(0, 0) = 0 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5159] write(3, "1000", 4) = 4 [pid 5159] close(3) = 0 [pid 5159] write(1, "executing program\n", 18executing program ) = 18 [pid 5159] memfd_create("syzkaller", 0) = 3 [pid 5159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5159] 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 5159] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5159] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5159] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5159] ioctl(4, LOOP_CLR_FD) = 0 [pid 5159] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5159] close(4) = 0 [pid 5159] close(3) = 0 [pid 5159] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5159] ftruncate(3, 33587199) = 0 [pid 5159] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5159] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5159] read(4, 0x20000180, 4294966855) = 16776832 [pid 5159] exit_group(0) = ? [pid 5159] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5161 attached [pid 5161] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5161 [pid 5161] setpgid(0, 0) = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] write(3, "1000", 4) = 4 [pid 5161] close(3) = 0 executing program [pid 5161] write(1, "executing program\n", 18) = 18 [pid 5161] memfd_create("syzkaller", 0) = 3 [pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5161] 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 5161] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5161] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5161] ioctl(4, LOOP_CLR_FD) = 0 [pid 5161] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5161] close(4) = 0 [pid 5161] close(3) = 0 [pid 5161] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5161] ftruncate(3, 33587199) = 0 [pid 5161] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5161] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5161] read(4, 0x20000180, 4294966855) = 16776832 [pid 5161] exit_group(0) = ? [pid 5161] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5162] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5162 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5162] write(3, "1000", 4) = 4 [pid 5162] close(3) = 0 [pid 5162] write(1, "executing program\n", 18executing program ) = 18 [pid 5162] memfd_create("syzkaller", 0) = 3 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5162] 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 5162] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5162] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5162] ioctl(4, LOOP_CLR_FD) = 0 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5162] close(4) = 0 [pid 5162] close(3) = 0 [pid 5162] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5162] ftruncate(3, 33587199) = 0 [pid 5162] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5162] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5162] read(4, 0x20000180, 4294966855) = 16776832 [pid 5162] exit_group(0) = ? [pid 5162] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5163 attached , child_tidptr=0x55555c8e8650) = 5163 [pid 5163] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5163] setpgid(0, 0) = 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5163] write(3, "1000", 4) = 4 [pid 5163] close(3) = 0 executing program [pid 5163] write(1, "executing program\n", 18) = 18 [pid 5163] memfd_create("syzkaller", 0) = 3 [pid 5163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5163] 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 5163] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5163] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5163] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5163] ioctl(4, LOOP_CLR_FD) = 0 [pid 5163] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5163] close(4) = 0 [pid 5163] close(3) = 0 [pid 5163] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5163] ftruncate(3, 33587199) = 0 [pid 5163] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5163] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5163] read(4, 0x20000180, 4294966855) = 16776832 [pid 5163] exit_group(0) = ? [pid 5163] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5164 attached , child_tidptr=0x55555c8e8650) = 5164 [pid 5164] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5164] setpgid(0, 0) = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5164] write(3, "1000", 4) = 4 [pid 5164] close(3) = 0 [pid 5164] write(1, "executing program\n", 18executing program ) = 18 [pid 5164] memfd_create("syzkaller", 0) = 3 [pid 5164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5164] 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 5164] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5164] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5164] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5164] ioctl(4, LOOP_CLR_FD) = 0 [pid 5164] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5164] close(4) = 0 [pid 5164] close(3) = 0 [pid 5164] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5164] ftruncate(3, 33587199) = 0 [pid 5164] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5164] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5164] read(4, 0x20000180, 4294966855) = 16776832 [pid 5164] exit_group(0) = ? [pid 5164] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5165 attached , child_tidptr=0x55555c8e8650) = 5165 [pid 5165] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5165] write(3, "1000", 4) = 4 [pid 5165] close(3) = 0 [pid 5165] write(1, "executing program\n", 18executing program ) = 18 [pid 5165] memfd_create("syzkaller", 0) = 3 [pid 5165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5165] 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 5165] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5165] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5165] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5165] ioctl(4, LOOP_CLR_FD) = 0 [pid 5165] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5165] close(4) = 0 [pid 5165] close(3) = 0 [pid 5165] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5165] ftruncate(3, 33587199) = 0 [pid 5165] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5165] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5165] read(4, 0x20000180, 4294966855) = 16776832 [pid 5165] exit_group(0) = ? [pid 5165] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5167 attached , child_tidptr=0x55555c8e8650) = 5167 [pid 5167] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5167] setpgid(0, 0) = 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5167] write(3, "1000", 4) = 4 [pid 5167] close(3) = 0 executing program [pid 5167] write(1, "executing program\n", 18) = 18 [pid 5167] memfd_create("syzkaller", 0) = 3 [pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5167] 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 5167] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5167] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5167] ioctl(4, LOOP_CLR_FD) = 0 [pid 5167] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5167] close(4) = 0 [pid 5167] close(3) = 0 [pid 5167] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5167] ftruncate(3, 33587199) = 0 [pid 5167] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5167] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5167] read(4, 0x20000180, 4294966855) = 16776832 [pid 5167] exit_group(0) = ? [pid 5167] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5168 attached , child_tidptr=0x55555c8e8650) = 5168 [pid 5168] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5168] setpgid(0, 0) = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5168] write(3, "1000", 4) = 4 [pid 5168] close(3) = 0 [pid 5168] write(1, "executing program\n", 18executing program ) = 18 [pid 5168] memfd_create("syzkaller", 0) = 3 [pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5168] 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 5168] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5168] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5168] ioctl(4, LOOP_CLR_FD) = 0 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5168] close(4) = 0 [pid 5168] close(3) = 0 [pid 5168] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5168] ftruncate(3, 33587199) = 0 [pid 5168] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5168] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5168] read(4, 0x20000180, 4294966855) = 16776832 [pid 5168] exit_group(0) = ? [pid 5168] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5169 attached , child_tidptr=0x55555c8e8650) = 5169 [pid 5169] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5169] setpgid(0, 0) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] write(1, "executing program\n", 18executing program ) = 18 [pid 5169] memfd_create("syzkaller", 0) = 3 [pid 5169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5169] 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 5169] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5169] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5169] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5169] ioctl(4, LOOP_CLR_FD) = 0 [pid 5169] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5169] close(4) = 0 [pid 5169] close(3) = 0 [pid 5169] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5169] ftruncate(3, 33587199) = 0 [pid 5169] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5169] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5169] read(4, 0x20000180, 4294966855) = 16776832 [pid 5169] exit_group(0) = ? [pid 5169] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5170 attached , child_tidptr=0x55555c8e8650) = 5170 [pid 5170] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5170] setpgid(0, 0) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5170] write(3, "1000", 4) = 4 [pid 5170] close(3) = 0 [pid 5170] write(1, "executing program\n", 18executing program ) = 18 [pid 5170] memfd_create("syzkaller", 0) = 3 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5170] 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 5170] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5170] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5170] ioctl(4, LOOP_CLR_FD) = 0 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5170] close(4) = 0 [pid 5170] close(3) = 0 [pid 5170] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5170] ftruncate(3, 33587199) = 0 [pid 5170] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5170] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5170] read(4, 0x20000180, 4294966855) = 16776832 [pid 5170] exit_group(0) = ? [pid 5170] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5171 attached [pid 5171] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5171 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5171] setpgid(0, 0) = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5171] write(3, "1000", 4) = 4 [pid 5171] close(3) = 0 [pid 5171] write(1, "executing program\n", 18executing program ) = 18 [pid 5171] memfd_create("syzkaller", 0) = 3 [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5171] 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 5171] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5171] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5171] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5171] ioctl(4, LOOP_CLR_FD) = 0 [pid 5171] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5171] close(4) = 0 [pid 5171] close(3) = 0 [pid 5171] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5171] ftruncate(3, 33587199) = 0 [pid 5171] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5171] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5171] read(4, 0x20000180, 4294966855) = 16776832 [pid 5171] exit_group(0) = ? [pid 5171] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=59 /* 0.59 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5172 attached , child_tidptr=0x55555c8e8650) = 5172 [pid 5172] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5172] setpgid(0, 0) = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5172] write(3, "1000", 4) = 4 [pid 5172] close(3) = 0 [pid 5172] write(1, "executing program\n", 18executing program ) = 18 [pid 5172] memfd_create("syzkaller", 0) = 3 [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5172] 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 5172] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5172] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5172] ioctl(4, LOOP_CLR_FD) = 0 [pid 5172] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5172] close(4) = 0 [pid 5172] close(3) = 0 [pid 5172] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5172] ftruncate(3, 33587199) = 0 [pid 5172] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5172] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5172] read(4, 0x20000180, 4294966855) = 16776832 [pid 5172] exit_group(0) = ? [pid 5172] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5173 attached , child_tidptr=0x55555c8e8650) = 5173 [pid 5173] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5173] setpgid(0, 0) = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5173] write(3, "1000", 4) = 4 [pid 5173] close(3executing program ) = 0 [pid 5173] write(1, "executing program\n", 18) = 18 [pid 5173] memfd_create("syzkaller", 0) = 3 [pid 5173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5173] 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 5173] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5173] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5173] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5173] ioctl(4, LOOP_CLR_FD) = 0 [pid 5173] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5173] close(4) = 0 [pid 5173] close(3) = 0 [pid 5173] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5173] ftruncate(3, 33587199) = 0 [pid 5173] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5173] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5173] read(4, 0x20000180, 4294966855) = 16776832 [pid 5173] exit_group(0) = ? [pid 5173] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5174 attached , child_tidptr=0x55555c8e8650) = 5174 [pid 5174] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5174] setpgid(0, 0) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5174] write(3, "1000", 4) = 4 [pid 5174] close(3) = 0 [pid 5174] write(1, "executing program\n", 18executing program ) = 18 [pid 5174] memfd_create("syzkaller", 0) = 3 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5174] 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 5174] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5174] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] ioctl(4, LOOP_CLR_FD) = 0 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] close(4) = 0 [pid 5174] close(3) = 0 [pid 5174] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5174] ftruncate(3, 33587199) = 0 [pid 5174] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5174] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5174] read(4, 0x20000180, 4294966855) = 16776832 [pid 5174] exit_group(0) = ? [pid 5174] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5175 attached [pid 5175] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5175 [pid 5175] <... prctl resumed>) = 0 [pid 5175] setpgid(0, 0) = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5175] write(3, "1000", 4) = 4 [pid 5175] close(3executing program ) = 0 [pid 5175] write(1, "executing program\n", 18) = 18 [pid 5175] memfd_create("syzkaller", 0) = 3 [pid 5175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5175] 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 5175] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5175] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5175] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5175] ioctl(4, LOOP_CLR_FD) = 0 [pid 5175] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5175] close(4) = 0 [pid 5175] close(3) = 0 [pid 5175] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5175] ftruncate(3, 33587199) = 0 [pid 5175] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5175] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5175] read(4, 0x20000180, 4294966855) = 16776832 [pid 5175] exit_group(0) = ? [pid 5175] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached , child_tidptr=0x55555c8e8650) = 5176 [pid 5176] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5176] setpgid(0, 0) = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5176] write(3, "1000", 4) = 4 [pid 5176] close(3) = 0 executing program [pid 5176] write(1, "executing program\n", 18) = 18 [pid 5176] memfd_create("syzkaller", 0) = 3 [pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5176] 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 5176] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5176] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5176] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5176] ioctl(4, LOOP_CLR_FD) = 0 [pid 5176] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5176] close(4) = 0 [pid 5176] close(3) = 0 [pid 5176] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5176] ftruncate(3, 33587199) = 0 [pid 5176] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5176] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5176] read(4, 0x20000180, 4294966855) = 16776832 [pid 5176] exit_group(0) = ? [pid 5176] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5177 attached [pid 5177] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] setpgid(0, 0) = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5177 [pid 5177] <... openat resumed>) = 3 [pid 5177] write(3, "1000", 4) = 4 [pid 5177] close(3) = 0 executing program [pid 5177] write(1, "executing program\n", 18) = 18 [pid 5177] memfd_create("syzkaller", 0) = 3 [pid 5177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5177] 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 5177] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5177] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5177] ioctl(4, LOOP_CLR_FD) = 0 [pid 5177] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5177] close(4) = 0 [pid 5177] close(3) = 0 [pid 5177] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5177] ftruncate(3, 33587199) = 0 [pid 5177] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5177] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5177] read(4, 0x20000180, 4294966855) = 16776832 [pid 5177] exit_group(0) = ? [pid 5177] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5178 attached , child_tidptr=0x55555c8e8650) = 5178 [pid 5178] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5178] setpgid(0, 0) = 0 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1000", 4) = 4 [pid 5178] close(3) = 0 executing program [pid 5178] write(1, "executing program\n", 18) = 18 [pid 5178] memfd_create("syzkaller", 0) = 3 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5178] 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 5178] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5178] ioctl(4, LOOP_CLR_FD) = 0 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5178] close(4) = 0 [pid 5178] close(3) = 0 [pid 5178] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5178] ftruncate(3, 33587199) = 0 [pid 5178] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5178] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5178] read(4, 0x20000180, 4294966855) = 16776832 [pid 5178] exit_group(0) = ? [pid 5178] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5179 attached , child_tidptr=0x55555c8e8650) = 5179 [pid 5179] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5179] setpgid(0, 0) = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5179] write(3, "1000", 4) = 4 [pid 5179] close(3) = 0 [pid 5179] write(1, "executing program\n", 18executing program ) = 18 [pid 5179] memfd_create("syzkaller", 0) = 3 [pid 5179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5179] 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 5179] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5179] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5179] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5179] ioctl(4, LOOP_CLR_FD) = 0 [pid 5179] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5179] close(4) = 0 [pid 5179] close(3) = 0 [pid 5179] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5179] ftruncate(3, 33587199) = 0 [pid 5179] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5179] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5179] read(4, 0x20000180, 4294966855) = 16776832 [pid 5179] exit_group(0) = ? [pid 5179] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=59 /* 0.59 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c8e8650) = 5180 ./strace-static-x86_64: Process 5180 attached [pid 5180] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] write(3, "1000", 4) = 4 [pid 5180] close(3executing program ) = 0 [pid 5180] write(1, "executing program\n", 18) = 18 [pid 5180] memfd_create("syzkaller", 0) = 3 [pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5180] 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 5180] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5180] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5180] ioctl(4, LOOP_CLR_FD) = 0 [pid 5180] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5180] close(4) = 0 [pid 5180] close(3) = 0 [pid 5180] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5180] ftruncate(3, 33587199) = 0 [pid 5180] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5180] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5180] read(4, 0x20000180, 4294966855) = 16776832 [pid 5180] exit_group(0) = ? [pid 5180] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5181 attached , child_tidptr=0x55555c8e8650) = 5181 [pid 5181] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5181] write(3, "1000", 4) = 4 [pid 5181] close(3) = 0 [pid 5181] write(1, "executing program\n", 18executing program ) = 18 [pid 5181] memfd_create("syzkaller", 0) = 3 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5181] 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 5181] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5181] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5181] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5181] ioctl(4, LOOP_CLR_FD) = 0 [pid 5181] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5181] close(4) = 0 [pid 5181] close(3) = 0 [pid 5181] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5181] ftruncate(3, 33587199) = 0 [pid 5181] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5181] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5181] read(4, 0x20000180, 4294966855) = 16776832 [pid 5181] exit_group(0) = ? [pid 5181] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5182 attached , child_tidptr=0x55555c8e8650) = 5182 [pid 5182] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5182] setpgid(0, 0) = 0 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5182] write(3, "1000", 4) = 4 [pid 5182] close(3) = 0 [pid 5182] write(1, "executing program\n", 18executing program ) = 18 [pid 5182] memfd_create("syzkaller", 0) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5182] 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 5182] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] ioctl(4, LOOP_CLR_FD) = 0 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] close(4) = 0 [pid 5182] close(3) = 0 [pid 5182] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5182] ftruncate(3, 33587199) = 0 [pid 5182] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5182] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5182] read(4, 0x20000180, 4294966855) = 16776832 [pid 5182] exit_group(0) = ? [pid 5182] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5183 attached [pid 5183] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5183 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5183] setpgid(0, 0) = 0 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5183] write(3, "1000", 4) = 4 [pid 5183] close(3) = 0 [pid 5183] write(1, "executing program\n", 18executing program ) = 18 [pid 5183] memfd_create("syzkaller", 0) = 3 [pid 5183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5183] 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 5183] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5183] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5183] ioctl(4, LOOP_CLR_FD) = 0 [pid 5183] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5183] close(4) = 0 [pid 5183] close(3) = 0 [pid 5183] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5183] ftruncate(3, 33587199) = 0 [pid 5183] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5183] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5183] read(4, 0x20000180, 4294966855) = 16776832 [pid 5183] exit_group(0) = ? [pid 5183] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5184 attached , child_tidptr=0x55555c8e8650) = 5184 [pid 5184] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5184] setpgid(0, 0) = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5184] write(3, "1000", 4) = 4 [pid 5184] close(3executing program ) = 0 [pid 5184] write(1, "executing program\n", 18) = 18 [pid 5184] memfd_create("syzkaller", 0) = 3 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5184] 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 5184] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5184] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5184] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5184] ioctl(4, LOOP_CLR_FD) = 0 [pid 5184] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5184] close(4) = 0 [pid 5184] close(3) = 0 [pid 5184] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5184] ftruncate(3, 33587199) = 0 [pid 5184] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5184] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5184] read(4, 0x20000180, 4294966855) = 16776832 [pid 5184] exit_group(0) = ? [pid 5184] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5185 attached [pid 5185] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5185 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] write(1, "executing program\n", 18executing program ) = 18 [pid 5185] memfd_create("syzkaller", 0) = 3 [pid 5185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5185] 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 5185] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5185] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5185] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5185] ioctl(4, LOOP_CLR_FD) = 0 [pid 5185] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5185] close(4) = 0 [pid 5185] close(3) = 0 [pid 5185] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5185] ftruncate(3, 33587199) = 0 [pid 5185] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5185] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5185] read(4, 0x20000180, 4294966855) = 16776832 [pid 5185] exit_group(0) = ? [pid 5185] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c8e8650) = 5186 ./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5186] setpgid(0, 0) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3) = 0 executing program [pid 5186] write(1, "executing program\n", 18) = 18 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5186] 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 5186] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5186] ioctl(4, LOOP_CLR_FD) = 0 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5186] close(4) = 0 [pid 5186] close(3) = 0 [pid 5186] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5186] ftruncate(3, 33587199) = 0 [pid 5186] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5186] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5186] read(4, 0x20000180, 4294966855) = 16776832 [pid 5186] exit_group(0) = ? [pid 5186] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5187 attached , child_tidptr=0x55555c8e8650) = 5187 [pid 5187] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5187] setpgid(0, 0) = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5187] write(3, "1000", 4) = 4 [pid 5187] close(3) = 0 executing program [pid 5187] write(1, "executing program\n", 18) = 18 [pid 5187] memfd_create("syzkaller", 0) = 3 [pid 5187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5187] 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 5187] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5187] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5187] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5187] ioctl(4, LOOP_CLR_FD) = 0 [pid 5187] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5187] close(4) = 0 [pid 5187] close(3) = 0 [pid 5187] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5187] ftruncate(3, 33587199) = 0 [pid 5187] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5187] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5187] read(4, 0x20000180, 4294966855) = 16776832 [pid 5187] exit_group(0) = ? [pid 5187] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5188 attached , child_tidptr=0x55555c8e8650) = 5188 [pid 5188] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5188] setpgid(0, 0) = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5188] write(3, "1000", 4) = 4 [pid 5188] close(3) = 0 [pid 5188] write(1, "executing program\n", 18executing program ) = 18 [pid 5188] memfd_create("syzkaller", 0) = 3 [pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5188] 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 5188] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5188] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5188] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5188] ioctl(4, LOOP_CLR_FD) = 0 [pid 5188] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5188] close(4) = 0 [pid 5188] close(3) = 0 [pid 5188] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5188] ftruncate(3, 33587199) = 0 [pid 5188] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5188] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5188] read(4, 0x20000180, 4294966855) = 16776832 [pid 5188] exit_group(0) = ? [pid 5188] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5189 attached , child_tidptr=0x55555c8e8650) = 5189 [pid 5189] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5189] setpgid(0, 0) = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5189] write(3, "1000", 4) = 4 [pid 5189] close(3) = 0 [pid 5189] write(1, "executing program\n", 18executing program ) = 18 [pid 5189] memfd_create("syzkaller", 0) = 3 [pid 5189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5189] 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 5189] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5189] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5189] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5189] ioctl(4, LOOP_CLR_FD) = 0 [pid 5189] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5189] close(4) = 0 [pid 5189] close(3) = 0 [pid 5189] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5189] ftruncate(3, 33587199) = 0 [pid 5189] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5189] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5189] read(4, 0x20000180, 4294966855) = 16776832 [pid 5189] exit_group(0) = ? [pid 5189] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5190 attached , child_tidptr=0x55555c8e8650) = 5190 [pid 5190] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5190] write(3, "1000", 4) = 4 executing program [pid 5190] close(3) = 0 [pid 5190] write(1, "executing program\n", 18) = 18 [pid 5190] memfd_create("syzkaller", 0) = 3 [pid 5190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5190] 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 5190] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5190] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5190] ioctl(4, LOOP_CLR_FD) = 0 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5190] close(4) = 0 [pid 5190] close(3) = 0 [pid 5190] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5190] ftruncate(3, 33587199) = 0 [pid 5190] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5190] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5190] read(4, 0x20000180, 4294966855) = 16776832 [pid 5190] exit_group(0) = ? [pid 5190] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5191 attached [pid 5191] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5191 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5191] setpgid(0, 0) = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5191] write(3, "1000", 4) = 4 [pid 5191] close(3) = 0 [pid 5191] write(1, "executing program\n", 18executing program ) = 18 [pid 5191] memfd_create("syzkaller", 0) = 3 [pid 5191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5191] 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 5191] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5191] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5191] ioctl(4, LOOP_CLR_FD) = 0 [pid 5191] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5191] close(4) = 0 [pid 5191] close(3) = 0 [pid 5191] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5191] ftruncate(3, 33587199) = 0 [pid 5191] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5191] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5191] read(4, 0x20000180, 4294966855) = 16776832 [pid 5191] exit_group(0) = ? [pid 5191] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5192 attached , child_tidptr=0x55555c8e8650) = 5192 [pid 5192] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] write(1, "executing program\n", 18executing program ) = 18 [pid 5192] memfd_create("syzkaller", 0) = 3 [pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5192] 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 5192] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5192] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5192] ioctl(4, LOOP_CLR_FD) = 0 [pid 5192] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5192] close(4) = 0 [pid 5192] close(3) = 0 [pid 5192] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5192] ftruncate(3, 33587199) = 0 [pid 5192] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5192] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5192] read(4, 0x20000180, 4294966855) = 16776832 [pid 5192] exit_group(0) = ? [pid 5192] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5193 attached , child_tidptr=0x55555c8e8650) = 5193 [pid 5193] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5193] setpgid(0, 0) = 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5193] write(3, "1000", 4) = 4 [pid 5193] close(3) = 0 executing program [pid 5193] write(1, "executing program\n", 18) = 18 [pid 5193] memfd_create("syzkaller", 0) = 3 [pid 5193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5193] 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 5193] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5193] ioctl(4, LOOP_CLR_FD) = 0 [pid 5193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5193] close(4) = 0 [pid 5193] close(3) = 0 [pid 5193] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5193] ftruncate(3, 33587199) = 0 [pid 5193] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5193] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5193] read(4, 0x20000180, 4294966855) = 16776832 [pid 5193] exit_group(0) = ? [pid 5193] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5194 attached , child_tidptr=0x55555c8e8650) = 5194 [pid 5194] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5194] setpgid(0, 0) = 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5194] write(3, "1000", 4) = 4 [pid 5194] close(3) = 0 [pid 5194] write(1, "executing program\n", 18executing program ) = 18 [pid 5194] memfd_create("syzkaller", 0) = 3 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5194] 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 5194] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5194] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] ioctl(4, LOOP_CLR_FD) = 0 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] close(4) = 0 [pid 5194] close(3) = 0 [pid 5194] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5194] ftruncate(3, 33587199) = 0 [pid 5194] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5194] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5194] read(4, 0x20000180, 4294966855) = 16776832 [pid 5194] exit_group(0) = ? [pid 5194] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5195 attached [pid 5195] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5195 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5195] setpgid(0, 0) = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5195] write(3, "1000", 4) = 4 [pid 5195] close(3) = 0 executing program [pid 5195] write(1, "executing program\n", 18) = 18 [pid 5195] memfd_create("syzkaller", 0) = 3 [pid 5195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5195] 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 5195] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5195] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5195] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5195] ioctl(4, LOOP_CLR_FD) = 0 [pid 5195] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5195] close(4) = 0 [pid 5195] close(3) = 0 [pid 5195] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5195] ftruncate(3, 33587199) = 0 [pid 5195] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5195] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5195] read(4, 0x20000180, 4294966855) = 16776832 [pid 5195] exit_group(0) = ? [pid 5195] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5196 attached , child_tidptr=0x55555c8e8650) = 5196 [pid 5196] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 executing program [pid 5196] write(1, "executing program\n", 18) = 18 [pid 5196] memfd_create("syzkaller", 0) = 3 [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5196] 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 5196] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5196] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5196] ioctl(4, LOOP_CLR_FD) = 0 [pid 5196] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5196] close(4) = 0 [pid 5196] close(3) = 0 [pid 5196] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5196] ftruncate(3, 33587199) = 0 [pid 5196] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5196] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5196] read(4, 0x20000180, 4294966855) = 16776832 [pid 5196] exit_group(0) = ? [pid 5196] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5197 attached , child_tidptr=0x55555c8e8650) = 5197 [pid 5197] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5197] setpgid(0, 0) = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5197] write(3, "1000", 4) = 4 [pid 5197] close(3) = 0 executing program [pid 5197] write(1, "executing program\n", 18) = 18 [pid 5197] memfd_create("syzkaller", 0) = 3 [pid 5197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5197] 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 5197] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5197] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5197] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5197] ioctl(4, LOOP_CLR_FD) = 0 [pid 5197] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5197] close(4) = 0 [pid 5197] close(3) = 0 [pid 5197] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5197] ftruncate(3, 33587199) = 0 [pid 5197] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5197] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5197] read(4, 0x20000180, 4294966855) = 16776832 [pid 5197] exit_group(0) = ? [pid 5197] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5198 attached , child_tidptr=0x55555c8e8650) = 5198 [pid 5198] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5198] setpgid(0, 0) = 0 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5198] write(3, "1000", 4) = 4 [pid 5198] close(3) = 0 [pid 5198] write(1, "executing program\n", 18executing program ) = 18 [pid 5198] memfd_create("syzkaller", 0) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5198] 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 5198] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5198] ioctl(4, LOOP_CLR_FD) = 0 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5198] close(4) = 0 [pid 5198] close(3) = 0 [pid 5198] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5198] ftruncate(3, 33587199) = 0 [pid 5198] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5198] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5198] read(4, 0x20000180, 4294966855) = 16776832 [pid 5198] exit_group(0) = ? [pid 5198] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5199 attached [pid 5199] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5199 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5199] setpgid(0, 0) = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5199] write(3, "1000", 4) = 4 [pid 5199] close(3) = 0 [pid 5199] write(1, "executing program\n", 18executing program ) = 18 [pid 5199] memfd_create("syzkaller", 0) = 3 [pid 5199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5199] 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 5199] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5199] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5199] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5199] ioctl(4, LOOP_CLR_FD) = 0 [pid 5199] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5199] close(4) = 0 [pid 5199] close(3) = 0 [pid 5199] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5199] ftruncate(3, 33587199) = 0 [pid 5199] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5199] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5199] read(4, 0x20000180, 4294966855) = 16776832 [pid 5199] exit_group(0) = ? [pid 5199] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5200 attached [pid 5200] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5200 [pid 5200] <... prctl resumed>) = 0 [pid 5200] setpgid(0, 0) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5200] write(3, "1000", 4) = 4 [pid 5200] close(3) = 0 executing program [pid 5200] write(1, "executing program\n", 18) = 18 [pid 5200] memfd_create("syzkaller", 0) = 3 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5200] 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 5200] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5200] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5200] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5200] ioctl(4, LOOP_CLR_FD) = 0 [pid 5200] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5200] close(4) = 0 [pid 5200] close(3) = 0 [pid 5200] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5200] ftruncate(3, 33587199) = 0 [pid 5200] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5200] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5200] read(4, 0x20000180, 4294966855) = 16776832 [pid 5200] exit_group(0) = ? [pid 5200] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5201 attached [pid 5201] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5201] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5201 [pid 5201] <... setpgid resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5201] write(3, "1000", 4) = 4 [pid 5201] close(3) = 0 [pid 5201] write(1, "executing program\n", 18executing program ) = 18 [pid 5201] memfd_create("syzkaller", 0) = 3 [pid 5201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5201] 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 5201] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5201] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5201] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5201] ioctl(4, LOOP_CLR_FD) = 0 [pid 5201] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5201] close(4) = 0 [pid 5201] close(3) = 0 [pid 5201] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5201] ftruncate(3, 33587199) = 0 [pid 5201] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5201] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5201] read(4, 0x20000180, 4294966855) = 16776832 [pid 5201] exit_group(0) = ? [pid 5201] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5202 attached , child_tidptr=0x55555c8e8650) = 5202 [pid 5202] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5202] setpgid(0, 0) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5202] write(3, "1000", 4) = 4 [pid 5202] close(3) = 0 [pid 5202] write(1, "executing program\n", 18executing program ) = 18 [pid 5202] memfd_create("syzkaller", 0) = 3 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5202] 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 5202] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5202] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5202] ioctl(4, LOOP_CLR_FD) = 0 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5202] close(4) = 0 [pid 5202] close(3) = 0 [pid 5202] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5202] ftruncate(3, 33587199) = 0 [pid 5202] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5202] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5202] read(4, 0x20000180, 4294966855) = 16776832 [pid 5202] exit_group(0) = ? [pid 5202] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5203 attached , child_tidptr=0x55555c8e8650) = 5203 [pid 5203] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5203] setpgid(0, 0) = 0 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5203] write(3, "1000", 4) = 4 [pid 5203] close(3) = 0 [pid 5203] write(1, "executing program\n", 18executing program ) = 18 [pid 5203] memfd_create("syzkaller", 0) = 3 [pid 5203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5203] 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 5203] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5203] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5203] ioctl(4, LOOP_CLR_FD) = 0 [pid 5203] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5203] close(4) = 0 [pid 5203] close(3) = 0 [pid 5203] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5203] ftruncate(3, 33587199) = 0 [pid 5203] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5203] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5203] read(4, 0x20000180, 4294966855) = 16776832 [pid 5203] exit_group(0) = ? [pid 5203] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5204 attached , child_tidptr=0x55555c8e8650) = 5204 [pid 5204] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5204] setpgid(0, 0) = 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5204] write(3, "1000", 4) = 4 [pid 5204] close(3) = 0 [pid 5204] write(1, "executing program\n", 18executing program ) = 18 [pid 5204] memfd_create("syzkaller", 0) = 3 [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5204] 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 5204] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5204] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5204] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5204] ioctl(4, LOOP_CLR_FD) = 0 [pid 5204] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5204] close(4) = 0 [pid 5204] close(3) = 0 [pid 5204] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5204] ftruncate(3, 33587199) = 0 [pid 5204] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5204] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5204] read(4, 0x20000180, 4294966855) = 16776832 [pid 5204] exit_group(0) = ? [pid 5204] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5205 attached [pid 5205] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5205 [pid 5205] <... set_robust_list resumed>) = 0 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5205] setpgid(0, 0) = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5205] write(3, "1000", 4) = 4 [pid 5205] close(3executing program ) = 0 [pid 5205] write(1, "executing program\n", 18) = 18 [pid 5205] memfd_create("syzkaller", 0) = 3 [pid 5205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5205] 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 5205] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5205] ioctl(4, LOOP_CLR_FD) = 0 [pid 5205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5205] close(4) = 0 [pid 5205] close(3) = 0 [pid 5205] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5205] ftruncate(3, 33587199) = 0 [pid 5205] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5205] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5205] read(4, 0x20000180, 4294966855) = 16776832 [pid 5205] exit_group(0) = ? [pid 5205] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=60 /* 0.60 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5206 attached [pid 5206] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5206 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5206] setpgid(0, 0) = 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5206] write(3, "1000", 4) = 4 [pid 5206] close(3) = 0 executing program [pid 5206] write(1, "executing program\n", 18) = 18 [pid 5206] memfd_create("syzkaller", 0) = 3 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5206] 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 5206] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] ioctl(4, LOOP_CLR_FD) = 0 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] close(4) = 0 [pid 5206] close(3) = 0 [pid 5206] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5206] ftruncate(3, 33587199) = 0 [pid 5206] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5206] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5206] read(4, 0x20000180, 4294966855) = 16776832 [pid 5206] exit_group(0) = ? [pid 5206] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5207 attached , child_tidptr=0x55555c8e8650) = 5207 [pid 5207] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5207] setpgid(0, 0) = 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5207] write(3, "1000", 4) = 4 [pid 5207] close(3) = 0 [pid 5207] write(1, "executing program\n", 18executing program ) = 18 [pid 5207] memfd_create("syzkaller", 0) = 3 [pid 5207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5207] 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 5207] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5207] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5207] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5207] ioctl(4, LOOP_CLR_FD) = 0 [pid 5207] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5207] close(4) = 0 [pid 5207] close(3) = 0 [pid 5207] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5207] ftruncate(3, 33587199) = 0 [pid 5207] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5207] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5207] read(4, 0x20000180, 4294966855) = 16776832 [pid 5207] exit_group(0) = ? [pid 5207] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5208 attached , child_tidptr=0x55555c8e8650) = 5208 [pid 5208] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] setpgid(0, 0) = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5208] write(3, "1000", 4) = 4 [pid 5208] close(3) = 0 [pid 5208] write(1, "executing program\n", 18executing program ) = 18 [pid 5208] memfd_create("syzkaller", 0) = 3 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5208] 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 5208] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5208] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5208] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5208] ioctl(4, LOOP_CLR_FD) = 0 [pid 5208] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5208] close(4) = 0 [pid 5208] close(3) = 0 [pid 5208] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5208] ftruncate(3, 33587199) = 0 [pid 5208] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5208] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5208] read(4, 0x20000180, 4294966855) = 16776832 [pid 5208] exit_group(0) = ? [pid 5208] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5209 attached , child_tidptr=0x55555c8e8650) = 5209 [pid 5209] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5209] setpgid(0, 0) = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5209] write(3, "1000", 4) = 4 [pid 5209] close(3) = 0 [pid 5209] write(1, "executing program\n", 18executing program ) = 18 [pid 5209] memfd_create("syzkaller", 0) = 3 [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5209] 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 5209] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5209] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5209] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5209] ioctl(4, LOOP_CLR_FD) = 0 [pid 5209] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5209] close(4) = 0 [pid 5209] close(3) = 0 [pid 5209] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5209] ftruncate(3, 33587199) = 0 [pid 5209] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5209] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5209] read(4, 0x20000180, 4294966855) = 16776832 [pid 5209] exit_group(0) = ? [pid 5209] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5210 attached , child_tidptr=0x55555c8e8650) = 5210 [pid 5210] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5210] setpgid(0, 0) = 0 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5210] write(3, "1000", 4) = 4 executing program [pid 5210] close(3) = 0 [pid 5210] write(1, "executing program\n", 18) = 18 [pid 5210] memfd_create("syzkaller", 0) = 3 [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5210] 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 5210] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] close(4) = 0 [pid 5210] close(3) = 0 [pid 5210] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5210] ftruncate(3, 33587199) = 0 [pid 5210] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5210] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5210] read(4, 0x20000180, 4294966855) = 16776832 [pid 5210] exit_group(0) = ? [pid 5210] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached , child_tidptr=0x55555c8e8650) = 5211 [pid 5211] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5211] setpgid(0, 0) = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5211] write(3, "1000", 4) = 4 [pid 5211] close(3) = 0 executing program [pid 5211] write(1, "executing program\n", 18) = 18 [pid 5211] memfd_create("syzkaller", 0) = 3 [pid 5211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5211] 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 5211] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5211] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5211] ioctl(4, LOOP_CLR_FD) = 0 [pid 5211] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5211] close(4) = 0 [pid 5211] close(3) = 0 [pid 5211] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5211] ftruncate(3, 33587199) = 0 [pid 5211] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5211] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5211] read(4, 0x20000180, 4294966855) = 16776832 [pid 5211] exit_group(0) = ? [pid 5211] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5212 attached , child_tidptr=0x55555c8e8650) = 5212 [pid 5212] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5212] write(3, "1000", 4) = 4 [pid 5212] close(3) = 0 executing program [pid 5212] write(1, "executing program\n", 18) = 18 [pid 5212] memfd_create("syzkaller", 0) = 3 [pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5212] 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 5212] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5212] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5212] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5212] ioctl(4, LOOP_CLR_FD) = 0 [pid 5212] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5212] close(4) = 0 [pid 5212] close(3) = 0 [pid 5212] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5212] ftruncate(3, 33587199) = 0 [pid 5212] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5212] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5212] read(4, 0x20000180, 4294966855) = 16776832 [pid 5212] exit_group(0) = ? [pid 5212] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5213 [pid 5213] <... setpgid resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5213] write(3, "1000", 4) = 4 [pid 5213] close(3) = 0 [pid 5213] write(1, "executing program\n", 18executing program ) = 18 [pid 5213] memfd_create("syzkaller", 0) = 3 [pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5213] 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 5213] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5213] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5213] ioctl(4, LOOP_CLR_FD) = 0 [pid 5213] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5213] close(4) = 0 [pid 5213] close(3) = 0 [pid 5213] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5213] ftruncate(3, 33587199) = 0 [pid 5213] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5213] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5213] read(4, 0x20000180, 4294966855) = 16776832 [pid 5213] exit_group(0) = ? [pid 5213] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached , child_tidptr=0x55555c8e8650) = 5214 [pid 5214] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] write(1, "executing program\n", 18executing program ) = 18 [pid 5214] memfd_create("syzkaller", 0) = 3 [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5214] 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 5214] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5214] ioctl(4, LOOP_CLR_FD) = 0 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5214] close(4) = 0 [pid 5214] close(3) = 0 [pid 5214] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5214] ftruncate(3, 33587199) = 0 [pid 5214] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5214] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5214] read(4, 0x20000180, 4294966855) = 16776832 [pid 5214] exit_group(0) = ? [pid 5214] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5215 attached , child_tidptr=0x55555c8e8650) = 5215 [pid 5215] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5215] setpgid(0, 0) = 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3) = 0 [pid 5215] write(1, "executing program\n", 18executing program ) = 18 [pid 5215] memfd_create("syzkaller", 0) = 3 [pid 5215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5215] 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 5215] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5215] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5215] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5215] ioctl(4, LOOP_CLR_FD) = 0 [pid 5215] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5215] close(4) = 0 [pid 5215] close(3) = 0 [pid 5215] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5215] ftruncate(3, 33587199) = 0 [pid 5215] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5215] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5215] read(4, 0x20000180, 4294966855) = 16776832 [pid 5215] exit_group(0) = ? [pid 5215] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5216 attached , child_tidptr=0x55555c8e8650) = 5216 [pid 5216] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5216] setpgid(0, 0) = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5216] write(3, "1000", 4) = 4 [pid 5216] close(3) = 0 [pid 5216] write(1, "executing program\n", 18executing program ) = 18 [pid 5216] memfd_create("syzkaller", 0) = 3 [pid 5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5216] 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 5216] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5216] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5216] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5216] ioctl(4, LOOP_CLR_FD) = 0 [pid 5216] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5216] close(4) = 0 [pid 5216] close(3) = 0 [pid 5216] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5216] ftruncate(3, 33587199) = 0 [pid 5216] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5216] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5216] read(4, 0x20000180, 4294966855) = 16776832 [pid 5216] exit_group(0) = ? [pid 5216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5217 attached , child_tidptr=0x55555c8e8650) = 5217 [pid 5217] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5217] setpgid(0, 0) = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5217] write(3, "1000", 4) = 4 [pid 5217] close(3) = 0 [pid 5217] write(1, "executing program\n", 18executing program ) = 18 [pid 5217] memfd_create("syzkaller", 0) = 3 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5217] 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 5217] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5217] ioctl(4, LOOP_CLR_FD) = 0 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5217] close(4) = 0 [pid 5217] close(3) = 0 [pid 5217] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5217] ftruncate(3, 33587199) = 0 [pid 5217] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5217] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5217] read(4, 0x20000180, 4294966855) = 16776832 [pid 5217] exit_group(0) = ? [pid 5217] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5218 attached , child_tidptr=0x55555c8e8650) = 5218 [pid 5218] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setpgid(0, 0) = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1000", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] write(1, "executing program\n", 18executing program ) = 18 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5218] 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 5218] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5218] ioctl(4, LOOP_CLR_FD) = 0 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5218] close(4) = 0 [pid 5218] close(3) = 0 [pid 5218] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5218] ftruncate(3, 33587199) = 0 [pid 5218] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5218] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5218] read(4, 0x20000180, 4294966855) = 16776832 [pid 5218] exit_group(0) = ? [pid 5218] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5219 attached , child_tidptr=0x55555c8e8650) = 5219 [pid 5219] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0) = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] write(1, "executing program\n", 18executing program ) = 18 [pid 5219] memfd_create("syzkaller", 0) = 3 [pid 5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5219] 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 5219] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5219] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5219] ioctl(4, LOOP_CLR_FD) = 0 [pid 5219] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5219] close(4) = 0 [pid 5219] close(3) = 0 [pid 5219] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5219] ftruncate(3, 33587199) = 0 [pid 5219] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5219] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5219] read(4, 0x20000180, 4294966855) = 16776832 [pid 5219] exit_group(0) = ? [pid 5219] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached [pid 5220] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5220 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setpgid(0, 0) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] write(1, "executing program\n", 18executing program ) = 18 [pid 5220] memfd_create("syzkaller", 0) = 3 [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5220] 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 5220] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5220] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5220] ioctl(4, LOOP_CLR_FD) = 0 [pid 5220] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5220] close(4) = 0 [pid 5220] close(3) = 0 [pid 5220] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5220] ftruncate(3, 33587199) = 0 [pid 5220] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5220] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5220] read(4, 0x20000180, 4294966855) = 16776832 [pid 5220] exit_group(0) = ? [pid 5220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5221 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 executing program [pid 5221] write(1, "executing program\n", 18) = 18 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5221] 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 5221] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5221] ioctl(4, LOOP_CLR_FD) = 0 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5221] close(4) = 0 [pid 5221] close(3) = 0 [pid 5221] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5221] ftruncate(3, 33587199) = 0 [pid 5221] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5221] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5221] read(4, 0x20000180, 4294966855) = 16776832 [pid 5221] exit_group(0) = ? [pid 5221] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached , child_tidptr=0x55555c8e8650) = 5222 [pid 5222] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] write(1, "executing program\n", 18executing program ) = 18 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5222] 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 5222] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5222] ioctl(4, LOOP_CLR_FD) = 0 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5222] close(4) = 0 [pid 5222] close(3) = 0 [pid 5222] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5222] ftruncate(3, 33587199) = 0 [pid 5222] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5222] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5222] read(4, 0x20000180, 4294966855) = 16776832 [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5223 attached , child_tidptr=0x55555c8e8650) = 5223 [pid 5223] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5223] setpgid(0, 0) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1000", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] write(1, "executing program\n", 18executing program ) = 18 [pid 5223] memfd_create("syzkaller", 0) = 3 [pid 5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5223] 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 5223] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5223] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5223] ioctl(4, LOOP_CLR_FD) = 0 [pid 5223] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5223] close(4) = 0 [pid 5223] close(3) = 0 [pid 5223] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5223] ftruncate(3, 33587199) = 0 [pid 5223] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5223] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5223] read(4, 0x20000180, 4294966855) = 16776832 [pid 5223] exit_group(0) = ? [pid 5223] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached , child_tidptr=0x55555c8e8650) = 5224 [pid 5224] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] write(1, "executing program\n", 18executing program ) = 18 [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5224] 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 5224] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5224] ioctl(4, LOOP_CLR_FD) = 0 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5224] close(4) = 0 [pid 5224] close(3) = 0 [pid 5224] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5224] ftruncate(3, 33587199) = 0 [pid 5224] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5224] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5224] read(4, 0x20000180, 4294966855) = 16776832 [pid 5224] exit_group(0) = ? [pid 5224] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached , child_tidptr=0x55555c8e8650) = 5225 [pid 5225] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 [pid 5225] write(1, "executing program\n", 18executing program ) = 18 [pid 5225] memfd_create("syzkaller", 0) = 3 [pid 5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5225] 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 5225] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5225] ioctl(4, LOOP_CLR_FD) = 0 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5225] close(4) = 0 [pid 5225] close(3) = 0 [pid 5225] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5225] ftruncate(3, 33587199) = 0 [pid 5225] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5225] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5225] read(4, 0x20000180, 4294966855) = 16776832 [pid 5225] exit_group(0) = ? [pid 5225] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5226 attached [pid 5226] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5226 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3) = 0 executing program [pid 5226] write(1, "executing program\n", 18) = 18 [pid 5226] memfd_create("syzkaller", 0) = 3 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5226] 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 5226] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5226] ioctl(4, LOOP_CLR_FD) = 0 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5226] close(4) = 0 [pid 5226] close(3) = 0 [pid 5226] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5226] ftruncate(3, 33587199) = 0 [pid 5226] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5226] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5226] read(4, 0x20000180, 4294966855) = 16776832 [pid 5226] exit_group(0) = ? [pid 5226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached , child_tidptr=0x55555c8e8650) = 5227 [pid 5227] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3executing program ) = 0 [pid 5227] write(1, "executing program\n", 18) = 18 [pid 5227] memfd_create("syzkaller", 0) = 3 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5227] 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 5227] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5227] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5227] ioctl(4, LOOP_CLR_FD) = 0 [pid 5227] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5227] close(4) = 0 [pid 5227] close(3) = 0 [pid 5227] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5227] ftruncate(3, 33587199) = 0 [pid 5227] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5227] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5227] read(4, 0x20000180, 4294966855) = 16776832 [pid 5227] exit_group(0) = ? [pid 5227] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5228 [pid 5228] <... setpgid resumed>) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 executing program [pid 5228] write(1, "executing program\n", 18) = 18 [pid 5228] memfd_create("syzkaller", 0) = 3 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5228] 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 5228] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5228] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5228] ioctl(4, LOOP_CLR_FD) = 0 [pid 5228] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5228] close(4) = 0 [pid 5228] close(3) = 0 [pid 5228] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5228] ftruncate(3, 33587199) = 0 [pid 5228] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5228] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5228] read(4, 0x20000180, 4294966855) = 16776832 [pid 5228] exit_group(0) = ? [pid 5228] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached , child_tidptr=0x55555c8e8650) = 5229 [pid 5229] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5229] write(3, "1000", 4) = 4 [pid 5229] close(3) = 0 [pid 5229] write(1, "executing program\n", 18executing program ) = 18 [pid 5229] memfd_create("syzkaller", 0) = 3 [pid 5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5229] 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 5229] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5229] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5229] ioctl(4, LOOP_CLR_FD) = 0 [pid 5229] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5229] close(4) = 0 [pid 5229] close(3) = 0 [pid 5229] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5229] ftruncate(3, 33587199) = 0 [pid 5229] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5229] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5229] read(4, 0x20000180, 4294966855) = 16776832 [pid 5229] exit_group(0) = ? [pid 5229] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached , child_tidptr=0x55555c8e8650) = 5230 [pid 5230] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5230] setpgid(0, 0) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5230] write(3, "1000", 4) = 4 [pid 5230] close(3) = 0 executing program [pid 5230] write(1, "executing program\n", 18) = 18 [pid 5230] memfd_create("syzkaller", 0) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5230] 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 5230] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5230] ioctl(4, LOOP_CLR_FD) = 0 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5230] close(4) = 0 [pid 5230] close(3) = 0 [pid 5230] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5230] ftruncate(3, 33587199) = 0 [pid 5230] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5230] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5230] read(4, 0x20000180, 4294966855) = 16776832 [pid 5230] exit_group(0) = ? [pid 5230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached , child_tidptr=0x55555c8e8650) = 5231 [pid 5231] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5231] setpgid(0, 0) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5231] write(3, "1000", 4) = 4 [pid 5231] close(3) = 0 [pid 5231] write(1, "executing program\n", 18executing program ) = 18 [pid 5231] memfd_create("syzkaller", 0) = 3 [pid 5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5231] 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 5231] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5231] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5231] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5231] ioctl(4, LOOP_CLR_FD) = 0 [pid 5231] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5231] close(4) = 0 [pid 5231] close(3) = 0 [pid 5231] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5231] ftruncate(3, 33587199) = 0 [pid 5231] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5231] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5231] read(4, 0x20000180, 4294966855) = 16776832 [pid 5231] exit_group(0) = ? [pid 5231] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached , child_tidptr=0x55555c8e8650) = 5232 [pid 5232] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5232] setpgid(0, 0) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3) = 0 [pid 5232] write(1, "executing program\n", 18executing program ) = 18 [pid 5232] memfd_create("syzkaller", 0) = 3 [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5232] 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 5232] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5232] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5232] ioctl(4, LOOP_CLR_FD) = 0 [pid 5232] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5232] close(4) = 0 [pid 5232] close(3) = 0 [pid 5232] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5232] ftruncate(3, 33587199) = 0 [pid 5232] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5232] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5232] read(4, 0x20000180, 4294966855) = 16776832 [pid 5232] exit_group(0) = ? [pid 5232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached , child_tidptr=0x55555c8e8650) = 5233 [pid 5233] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] setpgid(0, 0) = 0 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5233] write(3, "1000", 4) = 4 [pid 5233] close(3) = 0 executing program [pid 5233] write(1, "executing program\n", 18) = 18 [pid 5233] memfd_create("syzkaller", 0) = 3 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5233] 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 5233] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5233] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5233] ioctl(4, LOOP_CLR_FD) = 0 [pid 5233] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5233] close(4) = 0 [pid 5233] close(3) = 0 [pid 5233] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5233] ftruncate(3, 33587199) = 0 [pid 5233] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5233] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5233] read(4, 0x20000180, 4294966855) = 16776832 [pid 5233] exit_group(0) = ? [pid 5233] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5234 attached , child_tidptr=0x55555c8e8650) = 5234 [pid 5234] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1000", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] write(1, "executing program\n", 18executing program ) = 18 [pid 5234] memfd_create("syzkaller", 0) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5234] 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 5234] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5234] ioctl(4, LOOP_CLR_FD) = 0 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5234] close(4) = 0 [pid 5234] close(3) = 0 [pid 5234] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5234] ftruncate(3, 33587199) = 0 [pid 5234] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5234] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5234] read(4, 0x20000180, 4294966855) = 16776832 [pid 5234] exit_group(0) = ? [pid 5234] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5235 attached , child_tidptr=0x55555c8e8650) = 5235 [pid 5235] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5235] setpgid(0, 0) = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1000", 4) = 4 [pid 5235] close(3) = 0 executing program [pid 5235] write(1, "executing program\n", 18) = 18 [pid 5235] memfd_create("syzkaller", 0) = 3 [pid 5235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5235] 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 5235] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5235] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5235] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5235] ioctl(4, LOOP_CLR_FD) = 0 [pid 5235] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5235] close(4) = 0 [pid 5235] close(3) = 0 [pid 5235] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5235] ftruncate(3, 33587199) = 0 [pid 5235] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5235] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5235] read(4, 0x20000180, 4294966855) = 16776832 [pid 5235] exit_group(0) = ? [pid 5235] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5236 attached , child_tidptr=0x55555c8e8650) = 5236 [pid 5236] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5236] close(3) = 0 executing program [pid 5236] write(1, "executing program\n", 18) = 18 [pid 5236] memfd_create("syzkaller", 0) = 3 [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5236] 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 5236] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5236] ioctl(4, LOOP_CLR_FD) = 0 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5236] close(4) = 0 [pid 5236] close(3) = 0 [pid 5236] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5236] ftruncate(3, 33587199) = 0 [pid 5236] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5236] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5236] read(4, 0x20000180, 4294966855) = 16776832 [pid 5236] exit_group(0) = ? [pid 5236] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5237 attached [pid 5237] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5237] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5237 [pid 5237] <... setpgid resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] write(3, "1000", 4) = 4 [pid 5237] close(3) = 0 [pid 5237] write(1, "executing program\n", 18executing program ) = 18 [pid 5237] memfd_create("syzkaller", 0) = 3 [pid 5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5237] 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 5237] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5237] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5237] ioctl(4, LOOP_CLR_FD) = 0 [pid 5237] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5237] close(4) = 0 [pid 5237] close(3) = 0 [pid 5237] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5237] ftruncate(3, 33587199) = 0 [pid 5237] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5237] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5237] read(4, 0x20000180, 4294966855) = 16776832 [pid 5237] exit_group(0) = ? [pid 5237] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached , child_tidptr=0x55555c8e8650) = 5238 [pid 5238] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] setpgid(0, 0) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "1000", 4) = 4 [pid 5238] close(3) = 0 [pid 5238] write(1, "executing program\n", 18executing program ) = 18 [pid 5238] memfd_create("syzkaller", 0) = 3 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5238] 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 5238] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5238] ioctl(4, LOOP_CLR_FD) = 0 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5238] close(4) = 0 [pid 5238] close(3) = 0 [pid 5238] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5238] ftruncate(3, 33587199) = 0 [pid 5238] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5238] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5238] read(4, 0x20000180, 4294966855) = 16776832 [pid 5238] exit_group(0) = ? [pid 5238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached , child_tidptr=0x55555c8e8650) = 5239 [pid 5239] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5239] setpgid(0, 0) = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] write(3, "1000", 4) = 4 [pid 5239] close(3executing program ) = 0 [pid 5239] write(1, "executing program\n", 18) = 18 [pid 5239] memfd_create("syzkaller", 0) = 3 [pid 5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5239] 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 5239] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5239] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5239] ioctl(4, LOOP_CLR_FD) = 0 [pid 5239] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5239] close(4) = 0 [pid 5239] close(3) = 0 [pid 5239] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5239] ftruncate(3, 33587199) = 0 [pid 5239] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5239] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5239] read(4, 0x20000180, 4294966855) = 16776832 [pid 5239] exit_group(0) = ? [pid 5239] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5240 attached , child_tidptr=0x55555c8e8650) = 5240 [pid 5240] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5240] setpgid(0, 0) = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5240] write(3, "1000", 4) = 4 [pid 5240] close(3) = 0 executing program [pid 5240] write(1, "executing program\n", 18) = 18 [pid 5240] memfd_create("syzkaller", 0) = 3 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5240] 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 5240] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5240] ioctl(4, LOOP_CLR_FD) = 0 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5240] close(4) = 0 [pid 5240] close(3) = 0 [pid 5240] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5240] ftruncate(3, 33587199) = 0 [pid 5240] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5240] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5240] read(4, 0x20000180, 4294966855) = 16776832 [pid 5240] exit_group(0) = ? [pid 5240] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5241 attached , child_tidptr=0x55555c8e8650) = 5241 [pid 5241] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5241] setpgid(0, 0) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5241] write(3, "1000", 4) = 4 [pid 5241] close(3) = 0 [pid 5241] write(1, "executing program\n", 18executing program ) = 18 [pid 5241] memfd_create("syzkaller", 0) = 3 [pid 5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5241] 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 5241] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5241] ioctl(4, LOOP_CLR_FD) = 0 [pid 5241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5241] close(4) = 0 [pid 5241] close(3) = 0 [pid 5241] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5241] ftruncate(3, 33587199) = 0 [pid 5241] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5241] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5241] read(4, 0x20000180, 4294966855) = 16776832 [pid 5241] exit_group(0) = ? [pid 5241] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5242 attached , child_tidptr=0x55555c8e8650) = 5242 [pid 5242] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5242] setpgid(0, 0) = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5242] write(3, "1000", 4) = 4 [pid 5242] close(3) = 0 [pid 5242] write(1, "executing program\n", 18executing program ) = 18 [pid 5242] memfd_create("syzkaller", 0) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5242] 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 5242] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5242] ioctl(4, LOOP_CLR_FD) = 0 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5242] close(4) = 0 [pid 5242] close(3) = 0 [pid 5242] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5242] ftruncate(3, 33587199) = 0 [pid 5242] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5242] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5242] read(4, 0x20000180, 4294966855) = 16776832 [pid 5242] exit_group(0) = ? [pid 5242] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5243 attached [pid 5243] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5243] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5243 [pid 5243] <... setpgid resumed>) = 0 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5243] write(3, "1000", 4) = 4 [pid 5243] close(3) = 0 [pid 5243] write(1, "executing program\n", 18executing program ) = 18 [pid 5243] memfd_create("syzkaller", 0) = 3 [pid 5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5243] 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 5243] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5243] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5243] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5243] ioctl(4, LOOP_CLR_FD) = 0 [pid 5243] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5243] close(4) = 0 [pid 5243] close(3) = 0 [pid 5243] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5243] ftruncate(3, 33587199) = 0 [pid 5243] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5243] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5243] read(4, 0x20000180, 4294966855) = 16776832 [pid 5243] exit_group(0) = ? [pid 5243] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached , child_tidptr=0x55555c8e8650) = 5244 [pid 5244] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3) = 0 [pid 5244] write(1, "executing program\n", 18executing program ) = 18 [pid 5244] memfd_create("syzkaller", 0) = 3 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5244] 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 5244] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5244] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5244] ioctl(4, LOOP_CLR_FD) = 0 [pid 5244] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5244] close(4) = 0 [pid 5244] close(3) = 0 [pid 5244] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5244] ftruncate(3, 33587199) = 0 [pid 5244] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5244] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5244] read(4, 0x20000180, 4294966855) = 16776832 [pid 5244] exit_group(0) = ? [pid 5244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5245 attached , child_tidptr=0x55555c8e8650) = 5245 [pid 5245] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] setpgid(0, 0) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5245] write(3, "1000", 4) = 4 [pid 5245] close(3executing program ) = 0 [pid 5245] write(1, "executing program\n", 18) = 18 [pid 5245] memfd_create("syzkaller", 0) = 3 [pid 5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5245] 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 5245] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5245] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5245] ioctl(4, LOOP_CLR_FD) = 0 [pid 5245] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5245] close(4) = 0 [pid 5245] close(3) = 0 [pid 5245] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5245] ftruncate(3, 33587199) = 0 [pid 5245] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5245] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5245] read(4, 0x20000180, 4294966855) = 16776832 [pid 5245] exit_group(0) = ? [pid 5245] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5246 attached [pid 5246] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5246 [pid 5246] <... prctl resumed>) = 0 [pid 5246] setpgid(0, 0) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5246] write(3, "1000", 4) = 4 [pid 5246] close(3) = 0 [pid 5246] write(1, "executing program\n", 18executing program ) = 18 [pid 5246] memfd_create("syzkaller", 0) = 3 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5246] 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 5246] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5246] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5246] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5246] ioctl(4, LOOP_CLR_FD) = 0 [pid 5246] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5246] close(4) = 0 [pid 5246] close(3) = 0 [pid 5246] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5246] ftruncate(3, 33587199) = 0 [pid 5246] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5246] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5246] read(4, 0x20000180, 4294966855) = 16776832 [pid 5246] exit_group(0) = ? [pid 5246] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached , child_tidptr=0x55555c8e8650) = 5247 [pid 5247] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 [pid 5247] close(3) = 0 [pid 5247] write(1, "executing program\n", 18executing program ) = 18 [pid 5247] memfd_create("syzkaller", 0) = 3 [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5247] 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 5247] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5247] ioctl(4, LOOP_CLR_FD) = 0 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5247] close(4) = 0 [pid 5247] close(3) = 0 [pid 5247] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5247] ftruncate(3, 33587199) = 0 [pid 5247] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5247] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5247] read(4, 0x20000180, 4294966855) = 16776832 [pid 5247] exit_group(0) = ? [pid 5247] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5248 attached , child_tidptr=0x55555c8e8650) = 5248 [pid 5248] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5248] setpgid(0, 0) = 0 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5248] write(3, "1000", 4) = 4 [pid 5248] close(3) = 0 executing program [pid 5248] write(1, "executing program\n", 18) = 18 [pid 5248] memfd_create("syzkaller", 0) = 3 [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5248] 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 5248] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5248] ioctl(4, LOOP_CLR_FD) = 0 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5248] close(4) = 0 [pid 5248] close(3) = 0 [pid 5248] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5248] ftruncate(3, 33587199) = 0 [pid 5248] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5248] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5248] read(4, 0x20000180, 4294966855) = 16776832 [pid 5248] exit_group(0) = ? [pid 5248] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=51 /* 0.51 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached , child_tidptr=0x55555c8e8650) = 5249 [pid 5249] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5249] setpgid(0, 0) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5249] write(3, "1000", 4) = 4 [pid 5249] close(3) = 0 [pid 5249] write(1, "executing program\n", 18executing program ) = 18 [pid 5249] memfd_create("syzkaller", 0) = 3 [pid 5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5249] 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 5249] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5249] ioctl(4, LOOP_CLR_FD) = 0 [pid 5249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5249] close(4) = 0 [pid 5249] close(3) = 0 [pid 5249] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5249] ftruncate(3, 33587199) = 0 [pid 5249] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5249] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5249] read(4, 0x20000180, 4294966855) = 16776832 [pid 5249] exit_group(0) = ? [pid 5249] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5250 attached , child_tidptr=0x55555c8e8650) = 5250 [pid 5250] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5250] setpgid(0, 0) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5250] write(3, "1000", 4) = 4 [pid 5250] close(3) = 0 [pid 5250] write(1, "executing program\n", 18executing program ) = 18 [pid 5250] memfd_create("syzkaller", 0) = 3 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5250] 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 5250] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5250] ioctl(4, LOOP_CLR_FD) = 0 [pid 5250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5250] close(4) = 0 [pid 5250] close(3) = 0 [pid 5250] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5250] ftruncate(3, 33587199) = 0 [pid 5250] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5250] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5250] read(4, 0x20000180, 4294966855) = 16776832 [pid 5250] exit_group(0) = ? [pid 5250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5251 attached [pid 5251] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5251] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5251 [pid 5251] <... setpgid resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5251] write(3, "1000", 4) = 4 [pid 5251] close(3) = 0 [pid 5251] write(1, "executing program\n", 18executing program ) = 18 [pid 5251] memfd_create("syzkaller", 0) = 3 [pid 5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5251] 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 5251] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5251] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5251] ioctl(4, LOOP_CLR_FD) = 0 [pid 5251] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5251] close(4) = 0 [pid 5251] close(3) = 0 [pid 5251] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5251] ftruncate(3, 33587199) = 0 [pid 5251] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5251] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5251] read(4, 0x20000180, 4294966855) = 16776832 [pid 5251] exit_group(0) = ? [pid 5251] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5252 attached [pid 5252] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5252 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5252] setpgid(0, 0) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5252] write(3, "1000", 4) = 4 [pid 5252] close(3) = 0 [pid 5252] write(1, "executing program\n", 18executing program ) = 18 [pid 5252] memfd_create("syzkaller", 0) = 3 [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5252] 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 5252] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5252] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5252] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5252] ioctl(4, LOOP_CLR_FD) = 0 [pid 5252] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5252] close(4) = 0 [pid 5252] close(3) = 0 [pid 5252] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5252] ftruncate(3, 33587199) = 0 [pid 5252] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5252] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5252] read(4, 0x20000180, 4294966855) = 16776832 [pid 5252] exit_group(0) = ? [pid 5252] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached , child_tidptr=0x55555c8e8650) = 5253 [pid 5253] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5253] setpgid(0, 0) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5253] write(3, "1000", 4) = 4 [pid 5253] close(3) = 0 executing program [pid 5253] write(1, "executing program\n", 18) = 18 [pid 5253] memfd_create("syzkaller", 0) = 3 [pid 5253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5253] 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 5253] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5253] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5253] ioctl(4, LOOP_CLR_FD) = 0 [pid 5253] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5253] close(4) = 0 [pid 5253] close(3) = 0 [pid 5253] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5253] ftruncate(3, 33587199) = 0 [pid 5253] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5253] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5253] read(4, 0x20000180, 4294966855) = 16776832 [pid 5253] exit_group(0) = ? [pid 5253] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5254 attached [pid 5254] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5254] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5254 [pid 5254] <... setpgid resumed>) = 0 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5254] write(3, "1000", 4) = 4 [pid 5254] close(3) = 0 executing program [pid 5254] write(1, "executing program\n", 18) = 18 [pid 5254] memfd_create("syzkaller", 0) = 3 [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5254] 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 5254] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5254] ioctl(4, LOOP_CLR_FD) = 0 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5254] close(4) = 0 [pid 5254] close(3) = 0 [pid 5254] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5254] ftruncate(3, 33587199) = 0 [pid 5254] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5254] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5254] read(4, 0x20000180, 4294966855) = 16776832 [pid 5254] exit_group(0) = ? [pid 5254] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5255 attached [pid 5255] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5255] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5255 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5255] write(3, "1000", 4) = 4 [pid 5255] close(3) = 0 [pid 5255] write(1, "executing program\n", 18executing program ) = 18 [pid 5255] memfd_create("syzkaller", 0) = 3 [pid 5255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5255] 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 5255] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5255] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5255] ioctl(4, LOOP_CLR_FD) = 0 [pid 5255] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5255] close(4) = 0 [pid 5255] close(3) = 0 [pid 5255] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5255] ftruncate(3, 33587199) = 0 [pid 5255] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5255] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5255] read(4, 0x20000180, 4294966855) = 16776832 [pid 5255] exit_group(0) = ? [pid 5255] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5256 attached , child_tidptr=0x55555c8e8650) = 5256 [pid 5256] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5256] setpgid(0, 0) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 executing program [pid 5256] write(1, "executing program\n", 18) = 18 [pid 5256] memfd_create("syzkaller", 0) = 3 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5256] 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 5256] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5256] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5256] ioctl(4, LOOP_CLR_FD) = 0 [pid 5256] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5256] close(4) = 0 [pid 5256] close(3) = 0 [pid 5256] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5256] ftruncate(3, 33587199) = 0 [pid 5256] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5256] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5256] read(4, 0x20000180, 4294966855) = 16776832 [pid 5256] exit_group(0) = ? [pid 5256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached , child_tidptr=0x55555c8e8650) = 5257 [pid 5257] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5257] setpgid(0, 0) = 0 [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5257] write(3, "1000", 4) = 4 [pid 5257] close(3) = 0 executing program [pid 5257] write(1, "executing program\n", 18) = 18 [pid 5257] memfd_create("syzkaller", 0) = 3 [pid 5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5257] 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 5257] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5257] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5257] ioctl(4, LOOP_CLR_FD) = 0 [pid 5257] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5257] close(4) = 0 [pid 5257] close(3) = 0 [pid 5257] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5257] ftruncate(3, 33587199) = 0 [pid 5257] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5257] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5257] read(4, 0x20000180, 4294966855) = 16776832 [pid 5257] exit_group(0) = ? [pid 5257] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5258 attached , child_tidptr=0x55555c8e8650) = 5258 [pid 5258] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5258] setpgid(0, 0) = 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5258] write(3, "1000", 4) = 4 [pid 5258] close(3executing program ) = 0 [pid 5258] write(1, "executing program\n", 18) = 18 [pid 5258] memfd_create("syzkaller", 0) = 3 [pid 5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5258] 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 5258] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5258] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5258] ioctl(4, LOOP_CLR_FD) = 0 [pid 5258] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5258] close(4) = 0 [pid 5258] close(3) = 0 [pid 5258] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5258] ftruncate(3, 33587199) = 0 [pid 5258] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5258] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5258] read(4, 0x20000180, 4294966855) = 16776832 [pid 5258] exit_group(0) = ? [pid 5258] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5259 attached , child_tidptr=0x55555c8e8650) = 5259 [pid 5259] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5259] setpgid(0, 0) = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5259] write(3, "1000", 4) = 4 [pid 5259] close(3) = 0 [pid 5259] write(1, "executing program\n", 18executing program ) = 18 [pid 5259] memfd_create("syzkaller", 0) = 3 [pid 5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5259] 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 5259] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5259] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5259] ioctl(4, LOOP_CLR_FD) = 0 [pid 5259] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5259] close(4) = 0 [pid 5259] close(3) = 0 [pid 5259] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5259] ftruncate(3, 33587199) = 0 [pid 5259] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5259] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5259] read(4, 0x20000180, 4294966855) = 16776832 [pid 5259] exit_group(0) = ? [pid 5259] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5260 attached , child_tidptr=0x55555c8e8650) = 5260 [pid 5260] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5260] setpgid(0, 0) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5260] write(3, "1000", 4) = 4 [pid 5260] close(3) = 0 executing program [pid 5260] write(1, "executing program\n", 18) = 18 [pid 5260] memfd_create("syzkaller", 0) = 3 [pid 5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5260] 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 5260] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5260] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5260] ioctl(4, LOOP_CLR_FD) = 0 [pid 5260] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5260] close(4) = 0 [pid 5260] close(3) = 0 [pid 5260] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5260] ftruncate(3, 33587199) = 0 [pid 5260] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5260] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5260] read(4, 0x20000180, 4294966855) = 16776832 [pid 5260] exit_group(0) = ? [pid 5260] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5261 attached , child_tidptr=0x55555c8e8650) = 5261 [pid 5261] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5261] setpgid(0, 0) = 0 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5261] write(3, "1000", 4) = 4 [pid 5261] close(3) = 0 [pid 5261] write(1, "executing program\n", 18executing program ) = 18 [pid 5261] memfd_create("syzkaller", 0) = 3 [pid 5261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5261] 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 5261] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5261] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5261] ioctl(4, LOOP_CLR_FD) = 0 [pid 5261] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5261] close(4) = 0 [pid 5261] close(3) = 0 [pid 5261] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5261] ftruncate(3, 33587199) = 0 [pid 5261] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5261] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5261] read(4, 0x20000180, 4294966855) = 16776832 [pid 5261] exit_group(0) = ? [pid 5261] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5262 attached [pid 5262] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5262 [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5262] write(3, "1000", 4) = 4 [pid 5262] close(3) = 0 [pid 5262] write(1, "executing program\n", 18executing program ) = 18 [pid 5262] memfd_create("syzkaller", 0) = 3 [pid 5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5262] 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 5262] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5262] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5262] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5262] ioctl(4, LOOP_CLR_FD) = 0 [pid 5262] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5262] close(4) = 0 [pid 5262] close(3) = 0 [pid 5262] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5262] ftruncate(3, 33587199) = 0 [pid 5262] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5262] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5262] read(4, 0x20000180, 4294966855) = 16776832 [pid 5262] exit_group(0) = ? [pid 5262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5263 attached , child_tidptr=0x55555c8e8650) = 5263 [pid 5263] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5263] write(3, "1000", 4) = 4 [pid 5263] close(3) = 0 [pid 5263] write(1, "executing program\n", 18executing program ) = 18 [pid 5263] memfd_create("syzkaller", 0) = 3 [pid 5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5263] 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 5263] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5263] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5263] ioctl(4, LOOP_CLR_FD) = 0 [pid 5263] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5263] close(4) = 0 [pid 5263] close(3) = 0 [pid 5263] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5263] ftruncate(3, 33587199) = 0 [pid 5263] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5263] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5263] read(4, 0x20000180, 4294966855) = 16776832 [pid 5263] exit_group(0) = ? [pid 5263] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5264 attached , child_tidptr=0x55555c8e8650) = 5264 [pid 5264] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] setpgid(0, 0) = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5264] write(3, "1000", 4) = 4 [pid 5264] close(3) = 0 [pid 5264] write(1, "executing program\n", 18executing program ) = 18 [pid 5264] memfd_create("syzkaller", 0) = 3 [pid 5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5264] 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 5264] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5264] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5264] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5264] ioctl(4, LOOP_CLR_FD) = 0 [pid 5264] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5264] close(4) = 0 [pid 5264] close(3) = 0 [pid 5264] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5264] ftruncate(3, 33587199) = 0 [pid 5264] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5264] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5264] read(4, 0x20000180, 4294966855) = 16776832 [pid 5264] exit_group(0) = ? [pid 5264] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5265 attached [pid 5265] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5265 [pid 5265] <... prctl resumed>) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5265] write(1, "executing program\n", 18executing program ) = 18 [pid 5265] memfd_create("syzkaller", 0) = 3 [pid 5265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5265] 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 5265] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5265] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5265] ioctl(4, LOOP_CLR_FD) = 0 [pid 5265] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5265] close(4) = 0 [pid 5265] close(3) = 0 [pid 5265] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5265] ftruncate(3, 33587199) = 0 [pid 5265] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5265] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5265] read(4, 0x20000180, 4294966855) = 16776832 [pid 5265] exit_group(0) = ? [pid 5265] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5266 attached [pid 5266] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5266 [pid 5266] setpgid(0, 0) = 0 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5266] write(3, "1000", 4) = 4 [pid 5266] close(3) = 0 [pid 5266] write(1, "executing program\n", 18executing program ) = 18 [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5266] 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 5266] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5266] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5266] ioctl(4, LOOP_CLR_FD) = 0 [pid 5266] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5266] close(4) = 0 [pid 5266] close(3) = 0 [pid 5266] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5266] ftruncate(3, 33587199) = 0 [pid 5266] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5266] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5266] read(4, 0x20000180, 4294966855) = 16776832 [pid 5266] exit_group(0) = ? [pid 5266] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5267 attached , child_tidptr=0x55555c8e8650) = 5267 [pid 5267] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5267] setpgid(0, 0) = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5267] write(3, "1000", 4) = 4 executing program [pid 5267] close(3) = 0 [pid 5267] write(1, "executing program\n", 18) = 18 [pid 5267] memfd_create("syzkaller", 0) = 3 [pid 5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5267] 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 5267] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5267] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5267] ioctl(4, LOOP_CLR_FD) = 0 [pid 5267] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5267] close(4) = 0 [pid 5267] close(3) = 0 [pid 5267] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5267] ftruncate(3, 33587199) = 0 [pid 5267] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5267] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5267] read(4, 0x20000180, 4294966855) = 16776832 [pid 5267] exit_group(0) = ? [pid 5267] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5268 attached , child_tidptr=0x55555c8e8650) = 5268 [pid 5268] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5268] setpgid(0, 0) = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5268] write(3, "1000", 4) = 4 [pid 5268] close(3) = 0 [pid 5268] write(1, "executing program\n", 18) = 18 [pid 5268] memfd_create("syzkaller", 0) = 3 [pid 5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5268] 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 5268] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5268] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5268] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5268] ioctl(4, LOOP_CLR_FD) = 0 [pid 5268] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5268] close(4) = 0 [pid 5268] close(3) = 0 [pid 5268] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5268] ftruncate(3, 33587199) = 0 [pid 5268] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5268] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5268] read(4, 0x20000180, 4294966855) = 16776832 [pid 5268] exit_group(0) = ? [pid 5268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5269 [pid 5269] <... prctl resumed>) = 0 [pid 5269] setpgid(0, 0) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] write(1, "executing program\n", 18executing program ) = 18 [pid 5269] memfd_create("syzkaller", 0) = 3 [pid 5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5269] 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 5269] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5269] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5269] ioctl(4, LOOP_CLR_FD) = 0 [pid 5269] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5269] close(4) = 0 [pid 5269] close(3) = 0 [pid 5269] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5269] ftruncate(3, 33587199) = 0 [pid 5269] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5269] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5269] read(4, 0x20000180, 4294966855) = 16776832 [pid 5269] exit_group(0) = ? [pid 5269] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached , child_tidptr=0x55555c8e8650) = 5270 [pid 5270] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5270] setpgid(0, 0) = 0 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5270] write(3, "1000", 4) = 4 [pid 5270] close(3executing program ) = 0 [pid 5270] write(1, "executing program\n", 18) = 18 [pid 5270] memfd_create("syzkaller", 0) = 3 [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5270] 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 5270] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5270] ioctl(4, LOOP_CLR_FD) = 0 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5270] close(4) = 0 [pid 5270] close(3) = 0 [pid 5270] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5270] ftruncate(3, 33587199) = 0 [pid 5270] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5270] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5270] read(4, 0x20000180, 4294966855) = 16776832 [pid 5270] exit_group(0) = ? [pid 5270] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5271 attached , child_tidptr=0x55555c8e8650) = 5271 [pid 5271] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5271] write(3, "1000", 4) = 4 [pid 5271] close(3) = 0 [pid 5271] write(1, "executing program\n", 18executing program ) = 18 [pid 5271] memfd_create("syzkaller", 0) = 3 [pid 5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5271] 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 5271] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5271] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5271] ioctl(4, LOOP_CLR_FD) = 0 [pid 5271] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5271] close(4) = 0 [pid 5271] close(3) = 0 [pid 5271] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5271] ftruncate(3, 33587199) = 0 [pid 5271] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5271] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5271] read(4, 0x20000180, 4294966855) = 16776832 [pid 5271] exit_group(0) = ? [pid 5271] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5272 attached [pid 5272] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5272] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5272 [pid 5272] <... setpgid resumed>) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5272] write(3, "1000", 4) = 4 [pid 5272] close(3executing program ) = 0 [pid 5272] write(1, "executing program\n", 18) = 18 [pid 5272] memfd_create("syzkaller", 0) = 3 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5272] 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 5272] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5272] ioctl(4, LOOP_CLR_FD) = 0 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5272] close(4) = 0 [pid 5272] close(3) = 0 [pid 5272] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5272] ftruncate(3, 33587199) = 0 [pid 5272] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5272] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5272] read(4, 0x20000180, 4294966855) = 16776832 [pid 5272] exit_group(0) = ? [pid 5272] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5273 attached , child_tidptr=0x55555c8e8650) = 5273 [pid 5273] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5273] setpgid(0, 0) = 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5273] write(3, "1000", 4) = 4 [pid 5273] close(3executing program ) = 0 [pid 5273] write(1, "executing program\n", 18) = 18 [pid 5273] memfd_create("syzkaller", 0) = 3 [pid 5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5273] 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 5273] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5273] ioctl(4, LOOP_CLR_FD) = 0 [pid 5273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5273] close(4) = 0 [pid 5273] close(3) = 0 [pid 5273] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5273] ftruncate(3, 33587199) = 0 [pid 5273] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5273] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5273] read(4, 0x20000180, 4294966855) = 16776832 [pid 5273] exit_group(0) = ? [pid 5273] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5274 attached , child_tidptr=0x55555c8e8650) = 5274 [pid 5274] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5274] setpgid(0, 0) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5274] write(3, "1000", 4) = 4 [pid 5274] close(3executing program ) = 0 [pid 5274] write(1, "executing program\n", 18) = 18 [pid 5274] memfd_create("syzkaller", 0) = 3 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5274] 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 5274] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5274] ioctl(4, LOOP_CLR_FD) = 0 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5274] close(4) = 0 [pid 5274] close(3) = 0 [pid 5274] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5274] ftruncate(3, 33587199) = 0 [pid 5274] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5274] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5274] read(4, 0x20000180, 4294966855) = 16776832 [pid 5274] exit_group(0) = ? [pid 5274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached [pid 5275] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5275 [pid 5275] <... prctl resumed>) = 0 [pid 5275] setpgid(0, 0) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5275] write(3, "1000", 4) = 4 [pid 5275] close(3) = 0 [pid 5275] write(1, "executing program\n", 18executing program ) = 18 [pid 5275] memfd_create("syzkaller", 0) = 3 [pid 5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5275] 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 5275] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5275] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5275] ioctl(4, LOOP_CLR_FD) = 0 [pid 5275] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5275] close(4) = 0 [pid 5275] close(3) = 0 [pid 5275] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5275] ftruncate(3, 33587199) = 0 [pid 5275] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5275] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5275] read(4, 0x20000180, 4294966855) = 16776832 [pid 5275] exit_group(0) = ? [pid 5275] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5276 attached , child_tidptr=0x55555c8e8650) = 5276 [pid 5276] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5276] setpgid(0, 0) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5276] write(3, "1000", 4) = 4 [pid 5276] close(3) = 0 [pid 5276] write(1, "executing program\n", 18executing program ) = 18 [pid 5276] memfd_create("syzkaller", 0) = 3 [pid 5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5276] 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 5276] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5276] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5276] ioctl(4, LOOP_CLR_FD) = 0 [pid 5276] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5276] close(4) = 0 [pid 5276] close(3) = 0 [pid 5276] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5276] ftruncate(3, 33587199) = 0 [pid 5276] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5276] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5276] read(4, 0x20000180, 4294966855) = 16776832 [pid 5276] exit_group(0) = ? [pid 5276] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5277 attached , child_tidptr=0x55555c8e8650) = 5277 [pid 5277] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5277] setpgid(0, 0) = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5277] write(3, "1000", 4) = 4 [pid 5277] close(3) = 0 [pid 5277] write(1, "executing program\n", 18executing program ) = 18 [pid 5277] memfd_create("syzkaller", 0) = 3 [pid 5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5277] 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 5277] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5277] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5277] ioctl(4, LOOP_CLR_FD) = 0 [pid 5277] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5277] close(4) = 0 [pid 5277] close(3) = 0 [pid 5277] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5277] ftruncate(3, 33587199) = 0 [pid 5277] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5277] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5277] read(4, 0x20000180, 4294966855) = 16776832 [pid 5277] exit_group(0) = ? [pid 5277] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached , child_tidptr=0x55555c8e8650) = 5278 [pid 5278] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5278] setpgid(0, 0) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5278] write(3, "1000", 4) = 4 [pid 5278] close(3) = 0 [pid 5278] write(1, "executing program\n", 18executing program ) = 18 [pid 5278] memfd_create("syzkaller", 0) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5278] 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 5278] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5278] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5278] ioctl(4, LOOP_CLR_FD) = 0 [pid 5278] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5278] close(4) = 0 [pid 5278] close(3) = 0 [pid 5278] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5278] ftruncate(3, 33587199) = 0 [pid 5278] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5278] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5278] read(4, 0x20000180, 4294966855) = 16776832 [pid 5278] exit_group(0) = ? [pid 5278] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5279 attached , child_tidptr=0x55555c8e8650) = 5279 [pid 5279] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5279] setpgid(0, 0) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5279] write(3, "1000", 4) = 4 [pid 5279] close(3) = 0 executing program [pid 5279] write(1, "executing program\n", 18) = 18 [pid 5279] memfd_create("syzkaller", 0) = 3 [pid 5279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5279] 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 5279] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5279] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5279] ioctl(4, LOOP_CLR_FD) = 0 [pid 5279] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5279] close(4) = 0 [pid 5279] close(3) = 0 [pid 5279] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5279] ftruncate(3, 33587199) = 0 [pid 5279] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5279] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5279] read(4, 0x20000180, 4294966855) = 16776832 [pid 5279] exit_group(0) = ? [pid 5279] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5280 attached , child_tidptr=0x55555c8e8650) = 5280 [pid 5280] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5280] setpgid(0, 0) = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5280] write(3, "1000", 4) = 4 [pid 5280] close(3) = 0 executing program [pid 5280] write(1, "executing program\n", 18) = 18 [pid 5280] memfd_create("syzkaller", 0) = 3 [pid 5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5280] 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 5280] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5280] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5280] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5280] ioctl(4, LOOP_CLR_FD) = 0 [pid 5280] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5280] close(4) = 0 [pid 5280] close(3) = 0 [pid 5280] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5280] ftruncate(3, 33587199) = 0 [pid 5280] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5280] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5280] read(4, 0x20000180, 4294966855) = 16776832 [pid 5280] exit_group(0) = ? [pid 5280] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached , child_tidptr=0x55555c8e8650) = 5281 [pid 5281] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5281] setpgid(0, 0) = 0 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5281] write(3, "1000", 4) = 4 [pid 5281] close(3executing program ) = 0 [pid 5281] write(1, "executing program\n", 18) = 18 [pid 5281] memfd_create("syzkaller", 0) = 3 [pid 5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5281] 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 5281] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5281] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5281] ioctl(4, LOOP_CLR_FD) = 0 [pid 5281] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5281] close(4) = 0 [pid 5281] close(3) = 0 [pid 5281] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5281] ftruncate(3, 33587199) = 0 [pid 5281] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5281] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5281] read(4, 0x20000180, 4294966855) = 16776832 [pid 5281] exit_group(0) = ? [pid 5281] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5282 attached , child_tidptr=0x55555c8e8650) = 5282 [pid 5282] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0) = 0 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5282] write(3, "1000", 4) = 4 [pid 5282] close(3) = 0 [pid 5282] write(1, "executing program\n", 18executing program ) = 18 [pid 5282] memfd_create("syzkaller", 0) = 3 [pid 5282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5282] 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 5282] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5282] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5282] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5282] ioctl(4, LOOP_CLR_FD) = 0 [pid 5282] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5282] close(4) = 0 [pid 5282] close(3) = 0 [pid 5282] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5282] ftruncate(3, 33587199) = 0 [pid 5282] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5282] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5282] read(4, 0x20000180, 4294966855) = 16776832 [pid 5282] exit_group(0) = ? [pid 5282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c8e8650) = 5283 ./strace-static-x86_64: Process 5283 attached [pid 5283] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5283] write(3, "1000", 4) = 4 [pid 5283] close(3) = 0 [pid 5283] write(1, "executing program\n", 18executing program ) = 18 [pid 5283] memfd_create("syzkaller", 0) = 3 [pid 5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5283] 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 5283] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5283] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5283] ioctl(4, LOOP_CLR_FD) = 0 [pid 5283] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5283] close(4) = 0 [pid 5283] close(3) = 0 [pid 5283] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5283] ftruncate(3, 33587199) = 0 [pid 5283] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5283] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5283] read(4, 0x20000180, 4294966855) = 16776832 [pid 5283] exit_group(0) = ? [pid 5283] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5284 attached , child_tidptr=0x55555c8e8650) = 5284 [pid 5284] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5284] setpgid(0, 0) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5284] write(3, "1000", 4) = 4 [pid 5284] close(3) = 0 executing program [pid 5284] write(1, "executing program\n", 18) = 18 [pid 5284] memfd_create("syzkaller", 0) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5284] 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 5284] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5284] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5284] ioctl(4, LOOP_CLR_FD) = 0 [pid 5284] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5284] close(4) = 0 [pid 5284] close(3) = 0 [pid 5284] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5284] ftruncate(3, 33587199) = 0 [pid 5284] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5284] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5284] read(4, 0x20000180, 4294966855) = 16776832 [pid 5284] exit_group(0) = ? [pid 5284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5285 attached , child_tidptr=0x55555c8e8650) = 5285 [pid 5285] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5285] write(3, "1000", 4) = 4 executing program [pid 5285] close(3) = 0 [pid 5285] write(1, "executing program\n", 18) = 18 [pid 5285] memfd_create("syzkaller", 0) = 3 [pid 5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5285] 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 5285] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5285] ioctl(4, LOOP_CLR_FD) = 0 [pid 5285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5285] close(4) = 0 [pid 5285] close(3) = 0 [pid 5285] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5285] ftruncate(3, 33587199) = 0 [pid 5285] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5285] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5285] read(4, 0x20000180, 4294966855) = 16776832 [pid 5285] exit_group(0) = ? [pid 5285] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached , child_tidptr=0x55555c8e8650) = 5286 [pid 5286] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5286] setpgid(0, 0) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5286] write(3, "1000", 4) = 4 [pid 5286] close(3) = 0 [pid 5286] write(1, "executing program\n", 18executing program ) = 18 [pid 5286] memfd_create("syzkaller", 0) = 3 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5286] 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 5286] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5286] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5286] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5286] ioctl(4, LOOP_CLR_FD) = 0 [pid 5286] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5286] close(4) = 0 [pid 5286] close(3) = 0 [pid 5286] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5286] ftruncate(3, 33587199) = 0 [pid 5286] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5286] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5286] read(4, 0x20000180, 4294966855) = 16776832 [pid 5286] exit_group(0) = ? [pid 5286] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached , child_tidptr=0x55555c8e8650) = 5287 [pid 5287] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5287] setpgid(0, 0) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5287] write(3, "1000", 4executing program ) = 4 [pid 5287] close(3) = 0 [pid 5287] write(1, "executing program\n", 18) = 18 [pid 5287] memfd_create("syzkaller", 0) = 3 [pid 5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5287] 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 5287] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5287] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5287] ioctl(4, LOOP_CLR_FD) = 0 [pid 5287] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5287] close(4) = 0 [pid 5287] close(3) = 0 [pid 5287] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5287] ftruncate(3, 33587199) = 0 [pid 5287] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5287] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5287] read(4, 0x20000180, 4294966855) = 16776832 [pid 5287] exit_group(0) = ? [pid 5287] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5288 attached [pid 5288] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5288] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5288 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] write(3, "1000", 4) = 4 [pid 5288] close(3) = 0 executing program [pid 5288] write(1, "executing program\n", 18) = 18 [pid 5288] memfd_create("syzkaller", 0) = 3 [pid 5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5288] 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 5288] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5288] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5288] ioctl(4, LOOP_CLR_FD) = 0 [pid 5288] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5288] close(4) = 0 [pid 5288] close(3) = 0 [pid 5288] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5288] ftruncate(3, 33587199) = 0 [pid 5288] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5288] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5288] read(4, 0x20000180, 4294966855) = 16776832 [pid 5288] exit_group(0) = ? [pid 5288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5289 attached , child_tidptr=0x55555c8e8650) = 5289 [pid 5289] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5289] setpgid(0, 0) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5289] write(3, "1000", 4) = 4 [pid 5289] close(3) = 0 [pid 5289] write(1, "executing program\n", 18executing program ) = 18 [pid 5289] memfd_create("syzkaller", 0) = 3 [pid 5289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5289] 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 5289] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5289] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5289] ioctl(4, LOOP_CLR_FD) = 0 [pid 5289] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5289] close(4) = 0 [pid 5289] close(3) = 0 [pid 5289] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5289] ftruncate(3, 33587199) = 0 [pid 5289] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5289] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5289] read(4, 0x20000180, 4294966855) = 16776832 [pid 5289] exit_group(0) = ? [pid 5289] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5290] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5290 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5290] write(3, "1000", 4) = 4 [pid 5290] close(3) = 0 [pid 5290] write(1, "executing program\n", 18executing program ) = 18 [pid 5290] memfd_create("syzkaller", 0) = 3 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5290] 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 5290] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5290] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5290] ioctl(4, LOOP_CLR_FD) = 0 [pid 5290] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5290] close(4) = 0 [pid 5290] close(3) = 0 [pid 5290] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5290] ftruncate(3, 33587199) = 0 [pid 5290] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5290] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5290] read(4, 0x20000180, 4294966855) = 16776832 [pid 5290] exit_group(0) = ? [pid 5290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5291 attached , child_tidptr=0x55555c8e8650) = 5291 [pid 5291] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5291] write(3, "1000", 4) = 4 [pid 5291] close(3) = 0 [pid 5291] write(1, "executing program\n", 18executing program ) = 18 [pid 5291] memfd_create("syzkaller", 0) = 3 [pid 5291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5291] 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 5291] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5291] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5291] ioctl(4, LOOP_CLR_FD) = 0 [pid 5291] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5291] close(4) = 0 [pid 5291] close(3) = 0 [pid 5291] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5291] ftruncate(3, 33587199) = 0 [pid 5291] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5291] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5291] read(4, 0x20000180, 4294966855) = 16776832 [pid 5291] exit_group(0) = ? [pid 5291] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached , child_tidptr=0x55555c8e8650) = 5292 [pid 5292] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 executing program [pid 5292] write(1, "executing program\n", 18) = 18 [pid 5292] memfd_create("syzkaller", 0) = 3 [pid 5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5292] 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 5292] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5292] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5292] ioctl(4, LOOP_CLR_FD) = 0 [pid 5292] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5292] close(4) = 0 [pid 5292] close(3) = 0 [pid 5292] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5292] ftruncate(3, 33587199) = 0 [pid 5292] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5292] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5292] read(4, 0x20000180, 4294966855) = 16776832 [pid 5292] exit_group(0) = ? [pid 5292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5293 attached , child_tidptr=0x55555c8e8650) = 5293 [pid 5293] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5293] setpgid(0, 0) = 0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5293] write(3, "1000", 4) = 4 [pid 5293] close(3) = 0 [pid 5293] write(1, "executing program\n", 18executing program ) = 18 [pid 5293] memfd_create("syzkaller", 0) = 3 [pid 5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5293] 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 5293] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5293] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5293] ioctl(4, LOOP_CLR_FD) = 0 [pid 5293] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5293] close(4) = 0 [pid 5293] close(3) = 0 [pid 5293] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5293] ftruncate(3, 33587199) = 0 [pid 5293] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5293] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5293] read(4, 0x20000180, 4294966855) = 16776832 [pid 5293] exit_group(0) = ? [pid 5293] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=64 /* 0.64 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5294 attached , child_tidptr=0x55555c8e8650) = 5294 [pid 5294] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5294] setpgid(0, 0) = 0 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5294] write(3, "1000", 4) = 4 [pid 5294] close(3executing program ) = 0 [pid 5294] write(1, "executing program\n", 18) = 18 [pid 5294] memfd_create("syzkaller", 0) = 3 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5294] 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 5294] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5294] ioctl(4, LOOP_CLR_FD) = 0 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5294] close(4) = 0 [pid 5294] close(3) = 0 [pid 5294] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5294] ftruncate(3, 33587199) = 0 [pid 5294] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5294] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5294] read(4, 0x20000180, 4294966855) = 16776832 [pid 5294] exit_group(0) = ? [pid 5294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached , child_tidptr=0x55555c8e8650) = 5295 [pid 5295] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5295] setpgid(0, 0) = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5295] write(3, "1000", 4) = 4 [pid 5295] close(3) = 0 [pid 5295] write(1, "executing program\n", 18executing program ) = 18 [pid 5295] memfd_create("syzkaller", 0) = 3 [pid 5295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5295] 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 5295] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5295] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5295] ioctl(4, LOOP_CLR_FD) = 0 [pid 5295] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5295] close(4) = 0 [pid 5295] close(3) = 0 [pid 5295] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5295] ftruncate(3, 33587199) = 0 [pid 5295] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5295] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5295] read(4, 0x20000180, 4294966855) = 16776832 [pid 5295] exit_group(0) = ? [pid 5295] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c8e8650) = 5296 ./strace-static-x86_64: Process 5296 attached [pid 5296] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5296] write(3, "1000", 4) = 4 [pid 5296] close(3) = 0 [pid 5296] write(1, "executing program\n", 18executing program ) = 18 [pid 5296] memfd_create("syzkaller", 0) = 3 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5296] 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 5296] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5296] ioctl(4, LOOP_CLR_FD) = 0 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5296] close(4) = 0 [pid 5296] close(3) = 0 [pid 5296] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5296] ftruncate(3, 33587199) = 0 [pid 5296] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5296] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5296] read(4, 0x20000180, 4294966855) = 16776832 [pid 5296] exit_group(0) = ? [pid 5296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5297 attached , child_tidptr=0x55555c8e8650) = 5297 [pid 5297] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5297] setpgid(0, 0) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5297] write(3, "1000", 4) = 4 [pid 5297] close(3) = 0 [pid 5297] write(1, "executing program\n", 18executing program ) = 18 [pid 5297] memfd_create("syzkaller", 0) = 3 [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5297] 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 5297] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5297] ioctl(4, LOOP_CLR_FD) = 0 [pid 5297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5297] close(4) = 0 [pid 5297] close(3) = 0 [pid 5297] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5297] ftruncate(3, 33587199) = 0 [pid 5297] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5297] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5297] read(4, 0x20000180, 4294966855) = 16776832 [pid 5297] exit_group(0) = ? [pid 5297] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5298 attached [pid 5298] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5298 [pid 5298] <... prctl resumed>) = 0 [pid 5298] setpgid(0, 0) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5298] write(3, "1000", 4) = 4 [pid 5298] close(3) = 0 [pid 5298] write(1, "executing program\n", 18executing program ) = 18 [pid 5298] memfd_create("syzkaller", 0) = 3 [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5298] 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 5298] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5298] ioctl(4, LOOP_CLR_FD) = 0 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5298] close(4) = 0 [pid 5298] close(3) = 0 [pid 5298] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5298] ftruncate(3, 33587199) = 0 [pid 5298] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5298] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5298] read(4, 0x20000180, 4294966855) = 16776832 [pid 5298] exit_group(0) = ? [pid 5298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5299 attached , child_tidptr=0x55555c8e8650) = 5299 [pid 5299] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5299] setpgid(0, 0) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5299] write(3, "1000", 4) = 4 [pid 5299] close(3) = 0 [pid 5299] write(1, "executing program\n", 18executing program ) = 18 [pid 5299] memfd_create("syzkaller", 0) = 3 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5299] 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 5299] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5299] ioctl(4, LOOP_CLR_FD) = 0 [pid 5299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5299] close(4) = 0 [pid 5299] close(3) = 0 [pid 5299] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5299] ftruncate(3, 33587199) = 0 [pid 5299] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5299] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5299] read(4, 0x20000180, 4294966855) = 16776832 [pid 5299] exit_group(0) = ? [pid 5299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5300 attached , child_tidptr=0x55555c8e8650) = 5300 [pid 5300] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5300] setpgid(0, 0) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5300] write(3, "1000", 4) = 4 [pid 5300] close(3) = 0 [pid 5300] write(1, "executing program\n", 18executing program ) = 18 [pid 5300] memfd_create("syzkaller", 0) = 3 [pid 5300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5300] 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 5300] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5300] ioctl(4, LOOP_CLR_FD) = 0 [pid 5300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5300] close(4) = 0 [pid 5300] close(3) = 0 [pid 5300] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5300] ftruncate(3, 33587199) = 0 [pid 5300] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5300] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5300] read(4, 0x20000180, 4294966855) = 16776832 [pid 5300] exit_group(0) = ? [pid 5300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5301 attached , child_tidptr=0x55555c8e8650) = 5301 [pid 5301] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5301] setpgid(0, 0) = 0 [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5301] write(3, "1000", 4) = 4 [pid 5301] close(3) = 0 executing program [pid 5301] write(1, "executing program\n", 18) = 18 [pid 5301] memfd_create("syzkaller", 0) = 3 [pid 5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5301] 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 5301] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5301] ioctl(4, LOOP_CLR_FD) = 0 [pid 5301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5301] close(4) = 0 [pid 5301] close(3) = 0 [pid 5301] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5301] ftruncate(3, 33587199) = 0 [pid 5301] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5301] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5301] read(4, 0x20000180, 4294966855) = 16776832 [pid 5301] exit_group(0) = ? [pid 5301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached , child_tidptr=0x55555c8e8650) = 5302 [pid 5302] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5302] setpgid(0, 0) = 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5302] write(3, "1000", 4) = 4 [pid 5302] close(3) = 0 [pid 5302] write(1, "executing program\n", 18executing program ) = 18 [pid 5302] memfd_create("syzkaller", 0) = 3 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5302] 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 5302] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5302] ioctl(4, LOOP_CLR_FD) = 0 [pid 5302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5302] close(4) = 0 [pid 5302] close(3) = 0 [pid 5302] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5302] ftruncate(3, 33587199) = 0 [pid 5302] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5302] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5302] read(4, 0x20000180, 4294966855) = 16776832 [pid 5302] exit_group(0) = ? [pid 5302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached , child_tidptr=0x55555c8e8650) = 5303 [pid 5303] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] setpgid(0, 0) = 0 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5303] write(3, "1000", 4) = 4 [pid 5303] close(3) = 0 [pid 5303] write(1, "executing program\n", 18executing program ) = 18 [pid 5303] memfd_create("syzkaller", 0) = 3 [pid 5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5303] 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 5303] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5303] ioctl(4, LOOP_CLR_FD) = 0 [pid 5303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5303] close(4) = 0 [pid 5303] close(3) = 0 [pid 5303] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5303] ftruncate(3, 33587199) = 0 [pid 5303] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5303] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5303] read(4, 0x20000180, 4294966855) = 16776832 [pid 5303] exit_group(0) = ? [pid 5303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5304 attached , child_tidptr=0x55555c8e8650) = 5304 [pid 5304] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5304] setpgid(0, 0) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 executing program [pid 5304] write(1, "executing program\n", 18) = 18 [pid 5304] memfd_create("syzkaller", 0) = 3 [pid 5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5304] 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 5304] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5304] ioctl(4, LOOP_CLR_FD) = 0 [pid 5304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5304] close(4) = 0 [pid 5304] close(3) = 0 [pid 5304] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5304] ftruncate(3, 33587199) = 0 [pid 5304] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5304] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5304] read(4, 0x20000180, 4294966855) = 16776832 [pid 5304] exit_group(0) = ? [pid 5304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5305 attached [pid 5305] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5305 [pid 5305] setpgid(0, 0) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5305] write(3, "1000", 4) = 4 [pid 5305] close(3) = 0 [pid 5305] write(1, "executing program\n", 18) = 18 [pid 5305] memfd_create("syzkaller", 0) = 3 [pid 5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5305] 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 5305] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5305] ioctl(4, LOOP_CLR_FD) = 0 [pid 5305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5305] close(4) = 0 [pid 5305] close(3) = 0 [pid 5305] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5305] ftruncate(3, 33587199) = 0 [pid 5305] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5305] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5305] read(4, 0x20000180, 4294966855) = 16776832 [pid 5305] exit_group(0) = ? [pid 5305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5306 attached , child_tidptr=0x55555c8e8650) = 5306 [pid 5306] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5306] setpgid(0, 0) = 0 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5306] write(3, "1000", 4) = 4 [pid 5306] close(3) = 0 [pid 5306] write(1, "executing program\n", 18executing program ) = 18 [pid 5306] memfd_create("syzkaller", 0) = 3 [pid 5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5306] 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 5306] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5306] ioctl(4, LOOP_CLR_FD) = 0 [pid 5306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5306] close(4) = 0 [pid 5306] close(3) = 0 [pid 5306] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5306] ftruncate(3, 33587199) = 0 [pid 5306] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5306] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5306] read(4, 0x20000180, 4294966855) = 16776832 [pid 5306] exit_group(0) = ? [pid 5306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5307 attached [pid 5307] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5307 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5307] write(3, "1000", 4) = 4 [pid 5307] close(3) = 0 executing program [pid 5307] write(1, "executing program\n", 18) = 18 [pid 5307] memfd_create("syzkaller", 0) = 3 [pid 5307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5307] 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 5307] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5307] ioctl(4, LOOP_CLR_FD) = 0 [pid 5307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5307] close(4) = 0 [pid 5307] close(3) = 0 [pid 5307] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5307] ftruncate(3, 33587199) = 0 [pid 5307] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5307] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5307] read(4, 0x20000180, 4294966855) = 16776832 [pid 5307] exit_group(0) = ? [pid 5307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=60 /* 0.60 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5308 attached , child_tidptr=0x55555c8e8650) = 5308 [pid 5308] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5308] setpgid(0, 0) = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 5308] write(1, "executing program\n", 18executing program ) = 18 [pid 5308] memfd_create("syzkaller", 0) = 3 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5308] 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 5308] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5308] ioctl(4, LOOP_CLR_FD) = 0 [pid 5308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5308] close(4) = 0 [pid 5308] close(3) = 0 [pid 5308] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5308] ftruncate(3, 33587199) = 0 [pid 5308] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5308] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5308] read(4, 0x20000180, 4294966855) = 16776832 [pid 5308] exit_group(0) = ? [pid 5308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5309 attached , child_tidptr=0x55555c8e8650) = 5309 [pid 5309] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5309] setpgid(0, 0) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5309] write(3, "1000", 4) = 4 [pid 5309] close(3) = 0 [pid 5309] write(1, "executing program\n", 18executing program ) = 18 [pid 5309] memfd_create("syzkaller", 0) = 3 [pid 5309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5309] 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 5309] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5309] ioctl(4, LOOP_CLR_FD) = 0 [pid 5309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5309] close(4) = 0 [pid 5309] close(3) = 0 [pid 5309] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5309] ftruncate(3, 33587199) = 0 [pid 5309] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5309] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5309] read(4, 0x20000180, 4294966855) = 16776832 [pid 5309] exit_group(0) = ? [pid 5309] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5310 attached , child_tidptr=0x55555c8e8650) = 5310 [pid 5310] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5310] setpgid(0, 0) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5310] write(3, "1000", 4) = 4 executing program [pid 5310] close(3) = 0 [pid 5310] write(1, "executing program\n", 18) = 18 [pid 5310] memfd_create("syzkaller", 0) = 3 [pid 5310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5310] 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 5310] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5310] ioctl(4, LOOP_CLR_FD) = 0 [pid 5310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5310] close(4) = 0 [pid 5310] close(3) = 0 [pid 5310] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5310] ftruncate(3, 33587199) = 0 [pid 5310] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5310] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5310] read(4, 0x20000180, 4294966855) = 16776832 [pid 5310] exit_group(0) = ? [pid 5310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5311 attached , child_tidptr=0x55555c8e8650) = 5311 [pid 5311] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5311] setpgid(0, 0) = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5311] write(3, "1000", 4) = 4 [pid 5311] close(3) = 0 executing program [pid 5311] write(1, "executing program\n", 18) = 18 [pid 5311] memfd_create("syzkaller", 0) = 3 [pid 5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5311] 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 5311] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5311] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5311] ioctl(4, LOOP_CLR_FD) = 0 [pid 5311] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5311] close(4) = 0 [pid 5311] close(3) = 0 [pid 5311] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5311] ftruncate(3, 33587199) = 0 [pid 5311] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5311] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5311] read(4, 0x20000180, 4294966855) = 16776832 [pid 5311] exit_group(0) = ? [pid 5311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5312 attached , child_tidptr=0x55555c8e8650) = 5312 [pid 5312] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5312] setpgid(0, 0) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5312] write(3, "1000", 4) = 4 [pid 5312] close(3) = 0 [pid 5312] write(1, "executing program\n", 18executing program ) = 18 [pid 5312] memfd_create("syzkaller", 0) = 3 [pid 5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5312] 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 5312] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5312] ioctl(4, LOOP_CLR_FD) = 0 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5312] close(4) = 0 [pid 5312] close(3) = 0 [pid 5312] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5312] ftruncate(3, 33587199) = 0 [pid 5312] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5312] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5312] read(4, 0x20000180, 4294966855) = 16776832 [pid 5312] exit_group(0) = ? [pid 5312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5313 attached , child_tidptr=0x55555c8e8650) = 5313 [pid 5313] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] setpgid(0, 0) = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5313] write(3, "1000", 4) = 4 [pid 5313] close(3) = 0 executing program [pid 5313] write(1, "executing program\n", 18) = 18 [pid 5313] memfd_create("syzkaller", 0) = 3 [pid 5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5313] 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 5313] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5313] ioctl(4, LOOP_CLR_FD) = 0 [pid 5313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5313] close(4) = 0 [pid 5313] close(3) = 0 [pid 5313] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5313] ftruncate(3, 33587199) = 0 [pid 5313] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5313] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5313] read(4, 0x20000180, 4294966855) = 16776832 [pid 5313] exit_group(0) = ? [pid 5313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5314 attached [pid 5314] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5314 [pid 5314] <... prctl resumed>) = 0 [pid 5314] setpgid(0, 0) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5314] write(3, "1000", 4) = 4 [pid 5314] close(3) = 0 executing program [pid 5314] write(1, "executing program\n", 18) = 18 [pid 5314] memfd_create("syzkaller", 0) = 3 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5314] 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 5314] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5314] ioctl(4, LOOP_CLR_FD) = 0 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5314] close(4) = 0 [pid 5314] close(3) = 0 [pid 5314] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5314] ftruncate(3, 33587199) = 0 [pid 5314] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5314] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5314] read(4, 0x20000180, 4294966855) = 16776832 [pid 5314] exit_group(0) = ? [pid 5314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5315 attached , child_tidptr=0x55555c8e8650) = 5315 [pid 5315] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5315] setpgid(0, 0) = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5315] write(3, "1000", 4) = 4 [pid 5315] close(3) = 0 [pid 5315] write(1, "executing program\n", 18executing program ) = 18 [pid 5315] memfd_create("syzkaller", 0) = 3 [pid 5315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5315] 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 5315] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5315] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5315] ioctl(4, LOOP_CLR_FD) = 0 [pid 5315] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5315] close(4) = 0 [pid 5315] close(3) = 0 [pid 5315] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5315] ftruncate(3, 33587199) = 0 [pid 5315] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5315] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5315] read(4, 0x20000180, 4294966855) = 16776832 [pid 5315] exit_group(0) = ? [pid 5315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5316 attached [pid 5316] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5316] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5316 [pid 5316] <... setpgid resumed>) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5316] write(3, "1000", 4) = 4 [pid 5316] close(3) = 0 [pid 5316] write(1, "executing program\n", 18executing program ) = 18 [pid 5316] memfd_create("syzkaller", 0) = 3 [pid 5316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5316] 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 5316] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5316] ioctl(4, LOOP_CLR_FD) = 0 [pid 5316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5316] close(4) = 0 [pid 5316] close(3) = 0 [pid 5316] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5316] ftruncate(3, 33587199) = 0 [pid 5316] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5316] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5316] read(4, 0x20000180, 4294966855) = 16776832 [pid 5316] exit_group(0) = ? [pid 5316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=60 /* 0.60 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5317 attached , child_tidptr=0x55555c8e8650) = 5317 [pid 5317] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5317] setpgid(0, 0) = 0 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5317] write(3, "1000", 4) = 4 [pid 5317] close(3) = 0 executing program [pid 5317] write(1, "executing program\n", 18) = 18 [pid 5317] memfd_create("syzkaller", 0) = 3 [pid 5317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5317] 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 5317] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5317] ioctl(4, LOOP_CLR_FD) = 0 [pid 5317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5317] close(4) = 0 [pid 5317] close(3) = 0 [pid 5317] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5317] ftruncate(3, 33587199) = 0 [pid 5317] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5317] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5317] read(4, 0x20000180, 4294966855) = 16776832 [pid 5317] exit_group(0) = ? [pid 5317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5318 attached , child_tidptr=0x55555c8e8650) = 5318 [pid 5318] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5318] setpgid(0, 0) = 0 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5318] write(3, "1000", 4) = 4 [pid 5318] close(3) = 0 [pid 5318] write(1, "executing program\n", 18executing program ) = 18 [pid 5318] memfd_create("syzkaller", 0) = 3 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5318] 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 5318] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5318] ioctl(4, LOOP_CLR_FD) = 0 [pid 5318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5318] close(4) = 0 [pid 5318] close(3) = 0 [pid 5318] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5318] ftruncate(3, 33587199) = 0 [pid 5318] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5318] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5318] read(4, 0x20000180, 4294966855) = 16776832 [pid 5318] exit_group(0) = ? [pid 5318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5318, si_uid=0, si_status=0, si_utime=0, si_stime=59 /* 0.59 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5319 attached , child_tidptr=0x55555c8e8650) = 5319 [pid 5319] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5319] setpgid(0, 0) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5319] write(3, "1000", 4) = 4 [pid 5319] close(3) = 0 executing program [pid 5319] write(1, "executing program\n", 18) = 18 [pid 5319] memfd_create("syzkaller", 0) = 3 [pid 5319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5319] 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 5319] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5319] ioctl(4, LOOP_CLR_FD) = 0 [pid 5319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5319] close(4) = 0 [pid 5319] close(3) = 0 [pid 5319] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5319] ftruncate(3, 33587199) = 0 [pid 5319] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5319] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5319] read(4, 0x20000180, 4294966855) = 16776832 [pid 5319] exit_group(0) = ? [pid 5319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5320 attached , child_tidptr=0x55555c8e8650) = 5320 [pid 5320] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5320] write(3, "1000", 4) = 4 [pid 5320] close(3) = 0 [pid 5320] write(1, "executing program\n", 18executing program ) = 18 [pid 5320] memfd_create("syzkaller", 0) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5320] 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 5320] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5320] ioctl(4, LOOP_CLR_FD) = 0 [pid 5320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5320] close(4) = 0 [pid 5320] close(3) = 0 [pid 5320] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5320] ftruncate(3, 33587199) = 0 [pid 5320] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5320] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5320] read(4, 0x20000180, 4294966855) = 16776832 [pid 5320] exit_group(0) = ? [pid 5320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5321 attached , child_tidptr=0x55555c8e8650) = 5321 [pid 5321] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5321] setpgid(0, 0) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5321] write(3, "1000", 4) = 4 [pid 5321] close(3) = 0 [pid 5321] write(1, "executing program\n", 18executing program ) = 18 [pid 5321] memfd_create("syzkaller", 0) = 3 [pid 5321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5321] 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 5321] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5321] ioctl(4, LOOP_CLR_FD) = 0 [pid 5321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5321] close(4) = 0 [pid 5321] close(3) = 0 [pid 5321] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5321] ftruncate(3, 33587199) = 0 [pid 5321] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5321] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5321] read(4, 0x20000180, 4294966855) = 16776832 [pid 5321] exit_group(0) = ? [pid 5321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5322 attached [pid 5322] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5322] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5322 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5322] write(3, "1000", 4) = 4 [pid 5322] close(3) = 0 executing program [pid 5322] write(1, "executing program\n", 18) = 18 [pid 5322] memfd_create("syzkaller", 0) = 3 [pid 5322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5322] 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 5322] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5322] ioctl(4, LOOP_CLR_FD) = 0 [pid 5322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5322] close(4) = 0 [pid 5322] close(3) = 0 [pid 5322] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5322] ftruncate(3, 33587199) = 0 [pid 5322] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5322] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5322] read(4, 0x20000180, 4294966855) = 16776832 [pid 5322] exit_group(0) = ? [pid 5322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached , child_tidptr=0x55555c8e8650) = 5323 [pid 5323] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5323] setpgid(0, 0) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5323] write(3, "1000", 4) = 4 [pid 5323] close(3) = 0 [pid 5323] write(1, "executing program\n", 18executing program ) = 18 [pid 5323] memfd_create("syzkaller", 0) = 3 [pid 5323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5323] 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 5323] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5323] ioctl(4, LOOP_CLR_FD) = 0 [pid 5323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5323] close(4) = 0 [pid 5323] close(3) = 0 [pid 5323] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5323] ftruncate(3, 33587199) = 0 [pid 5323] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5323] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5323] read(4, 0x20000180, 4294966855) = 16776832 [pid 5323] exit_group(0) = ? [pid 5323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5324 attached , child_tidptr=0x55555c8e8650) = 5324 [pid 5324] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5324] setpgid(0, 0) = 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5324] write(3, "1000", 4) = 4 [pid 5324] close(3) = 0 [pid 5324] write(1, "executing program\n", 18executing program ) = 18 [pid 5324] memfd_create("syzkaller", 0) = 3 [pid 5324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5324] 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 5324] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5324] ioctl(4, LOOP_CLR_FD) = 0 [pid 5324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5324] close(4) = 0 [pid 5324] close(3) = 0 [pid 5324] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5324] ftruncate(3, 33587199) = 0 [pid 5324] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5324] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5324] read(4, 0x20000180, 4294966855) = 16776832 [pid 5324] exit_group(0) = ? [pid 5324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5325 attached , child_tidptr=0x55555c8e8650) = 5325 [pid 5325] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5325] setpgid(0, 0) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5325] write(3, "1000", 4) = 4 [pid 5325] close(3) = 0 executing program [pid 5325] write(1, "executing program\n", 18) = 18 [pid 5325] memfd_create("syzkaller", 0) = 3 [pid 5325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5325] 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 5325] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5325] ioctl(4, LOOP_CLR_FD) = 0 [pid 5325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5325] close(4) = 0 [pid 5325] close(3) = 0 [pid 5325] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5325] ftruncate(3, 33587199) = 0 [pid 5325] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5325] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5325] read(4, 0x20000180, 4294966855) = 16776832 [pid 5325] exit_group(0) = ? [pid 5325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=51 /* 0.51 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5326 attached , child_tidptr=0x55555c8e8650) = 5326 [pid 5326] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5326] setpgid(0, 0) = 0 [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5326] write(3, "1000", 4) = 4 [pid 5326] close(3) = 0 executing program [pid 5326] write(1, "executing program\n", 18) = 18 [pid 5326] memfd_create("syzkaller", 0) = 3 [pid 5326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5326] 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 5326] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5326] ioctl(4, LOOP_CLR_FD) = 0 [pid 5326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5326] close(4) = 0 [pid 5326] close(3) = 0 [pid 5326] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5326] ftruncate(3, 33587199) = 0 [pid 5326] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5326] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5326] read(4, 0x20000180, 4294966855) = 16776832 [pid 5326] exit_group(0) = ? [pid 5326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5327 attached , child_tidptr=0x55555c8e8650) = 5327 [pid 5327] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5327] setpgid(0, 0) = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5327] write(3, "1000", 4) = 4 [pid 5327] close(3executing program ) = 0 [pid 5327] write(1, "executing program\n", 18) = 18 [pid 5327] memfd_create("syzkaller", 0) = 3 [pid 5327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5327] 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 5327] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5327] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5327] ioctl(4, LOOP_CLR_FD) = 0 [pid 5327] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5327] close(4) = 0 [pid 5327] close(3) = 0 [pid 5327] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5327] ftruncate(3, 33587199) = 0 [pid 5327] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5327] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5327] read(4, 0x20000180, 4294966855) = 16776832 [pid 5327] exit_group(0) = ? [pid 5327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5328 attached , child_tidptr=0x55555c8e8650) = 5328 [pid 5328] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5328] setpgid(0, 0) = 0 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5328] write(3, "1000", 4) = 4 [pid 5328] close(3) = 0 [pid 5328] write(1, "executing program\n", 18executing program ) = 18 [pid 5328] memfd_create("syzkaller", 0) = 3 [pid 5328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5328] 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 5328] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5328] ioctl(4, LOOP_CLR_FD) = 0 [pid 5328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5328] close(4) = 0 [pid 5328] close(3) = 0 [pid 5328] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5328] ftruncate(3, 33587199) = 0 [pid 5328] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5328] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5328] read(4, 0x20000180, 4294966855) = 16776832 [pid 5328] exit_group(0) = ? [pid 5328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5329 attached , child_tidptr=0x55555c8e8650) = 5329 [pid 5329] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5329] setpgid(0, 0) = 0 [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5329] write(3, "1000", 4) = 4 [pid 5329] close(3) = 0 executing program [pid 5329] write(1, "executing program\n", 18) = 18 [pid 5329] memfd_create("syzkaller", 0) = 3 [pid 5329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5329] 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 5329] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5329] ioctl(4, LOOP_CLR_FD) = 0 [pid 5329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5329] close(4) = 0 [pid 5329] close(3) = 0 [pid 5329] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5329] ftruncate(3, 33587199) = 0 [pid 5329] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5329] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5329] read(4, 0x20000180, 4294966855) = 16776832 [pid 5329] exit_group(0) = ? [pid 5329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5330 attached , child_tidptr=0x55555c8e8650) = 5330 [pid 5330] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5330] setpgid(0, 0) = 0 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5330] write(3, "1000", 4) = 4 [pid 5330] close(3) = 0 [pid 5330] write(1, "executing program\n", 18executing program ) = 18 [pid 5330] memfd_create("syzkaller", 0) = 3 [pid 5330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5330] 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 5330] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5330] ioctl(4, LOOP_CLR_FD) = 0 [pid 5330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5330] close(4) = 0 [pid 5330] close(3) = 0 [pid 5330] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5330] ftruncate(3, 33587199) = 0 [pid 5330] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5330] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5330] read(4, 0x20000180, 4294966855) = 16776832 [pid 5330] exit_group(0) = ? [pid 5330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5331 attached , child_tidptr=0x55555c8e8650) = 5331 [pid 5331] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5331] setpgid(0, 0) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5331] write(3, "1000", 4) = 4 [pid 5331] close(3) = 0 executing program [pid 5331] write(1, "executing program\n", 18) = 18 [pid 5331] memfd_create("syzkaller", 0) = 3 [pid 5331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5331] 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 5331] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5331] ioctl(4, LOOP_CLR_FD) = 0 [pid 5331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5331] close(4) = 0 [pid 5331] close(3) = 0 [pid 5331] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5331] ftruncate(3, 33587199) = 0 [pid 5331] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5331] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5331] read(4, 0x20000180, 4294966855) = 16776832 [pid 5331] exit_group(0) = ? [pid 5331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5332 attached [pid 5332] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5332 [pid 5332] <... prctl resumed>) = 0 [pid 5332] setpgid(0, 0) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5332] write(3, "1000", 4) = 4 [pid 5332] close(3) = 0 [pid 5332] write(1, "executing program\n", 18executing program ) = 18 [pid 5332] memfd_create("syzkaller", 0) = 3 [pid 5332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5332] 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 5332] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5332] ioctl(4, LOOP_CLR_FD) = 0 [pid 5332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5332] close(4) = 0 [pid 5332] close(3) = 0 [pid 5332] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5332] ftruncate(3, 33587199) = 0 [pid 5332] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5332] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5332] read(4, 0x20000180, 4294966855) = 16776832 [pid 5332] exit_group(0) = ? [pid 5332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5333 attached [pid 5333] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5333 [pid 5333] <... prctl resumed>) = 0 [pid 5333] setpgid(0, 0) = 0 [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5333] write(3, "1000", 4) = 4 [pid 5333] close(3) = 0 [pid 5333] write(1, "executing program\n", 18executing program ) = 18 [pid 5333] memfd_create("syzkaller", 0) = 3 [pid 5333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5333] 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 5333] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5333] ioctl(4, LOOP_CLR_FD) = 0 [pid 5333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5333] close(4) = 0 [pid 5333] close(3) = 0 [pid 5333] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5333] ftruncate(3, 33587199) = 0 [pid 5333] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5333] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5333] read(4, 0x20000180, 4294966855) = 16776832 [pid 5333] exit_group(0) = ? [pid 5333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5334 attached , child_tidptr=0x55555c8e8650) = 5334 [pid 5334] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5334] setpgid(0, 0) = 0 [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5334] write(3, "1000", 4) = 4 [pid 5334] close(3) = 0 [pid 5334] write(1, "executing program\n", 18executing program ) = 18 [pid 5334] memfd_create("syzkaller", 0) = 3 [pid 5334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5334] 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 5334] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5334] ioctl(4, LOOP_CLR_FD) = 0 [pid 5334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5334] close(4) = 0 [pid 5334] close(3) = 0 [pid 5334] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5334] ftruncate(3, 33587199) = 0 [pid 5334] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5334] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5334] read(4, 0x20000180, 4294966855) = 16776832 [pid 5334] exit_group(0) = ? [pid 5334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5335 attached , child_tidptr=0x55555c8e8650) = 5335 [pid 5335] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5335] setpgid(0, 0) = 0 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5335] write(3, "1000", 4) = 4 [pid 5335] close(3) = 0 [pid 5335] write(1, "executing program\n", 18executing program ) = 18 [pid 5335] memfd_create("syzkaller", 0) = 3 [pid 5335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5335] 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 5335] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5335] ioctl(4, LOOP_CLR_FD) = 0 [pid 5335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5335] close(4) = 0 [pid 5335] close(3) = 0 [pid 5335] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5335] ftruncate(3, 33587199) = 0 [pid 5335] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5335] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5335] read(4, 0x20000180, 4294966855) = 16776832 [pid 5335] exit_group(0) = ? [pid 5335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5336 attached , child_tidptr=0x55555c8e8650) = 5336 [pid 5336] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5336] setpgid(0, 0) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5336] write(3, "1000", 4) = 4 [pid 5336] close(3) = 0 executing program [pid 5336] write(1, "executing program\n", 18) = 18 [pid 5336] memfd_create("syzkaller", 0) = 3 [pid 5336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5336] 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 5336] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5336] ioctl(4, LOOP_CLR_FD) = 0 [pid 5336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5336] close(4) = 0 [pid 5336] close(3) = 0 [pid 5336] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5336] ftruncate(3, 33587199) = 0 [pid 5336] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5336] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5336] read(4, 0x20000180, 4294966855) = 16776832 [pid 5336] exit_group(0) = ? [pid 5336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5337 attached [pid 5337] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5337 [pid 5337] <... prctl resumed>) = 0 [pid 5337] setpgid(0, 0) = 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5337] write(3, "1000", 4executing program ) = 4 [pid 5337] close(3) = 0 [pid 5337] write(1, "executing program\n", 18) = 18 [pid 5337] memfd_create("syzkaller", 0) = 3 [pid 5337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5337] 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 5337] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5337] ioctl(4, LOOP_CLR_FD) = 0 [pid 5337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5337] close(4) = 0 [pid 5337] close(3) = 0 [pid 5337] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5337] ftruncate(3, 33587199) = 0 [pid 5337] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5337] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5337] read(4, 0x20000180, 4294966855) = 16776832 [pid 5337] exit_group(0) = ? [pid 5337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5338 attached , child_tidptr=0x55555c8e8650) = 5338 [pid 5338] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5338] setpgid(0, 0) = 0 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5338] write(3, "1000", 4) = 4 [pid 5338] close(3) = 0 [pid 5338] write(1, "executing program\n", 18executing program ) = 18 [pid 5338] memfd_create("syzkaller", 0) = 3 [pid 5338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5338] 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 5338] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5338] ioctl(4, LOOP_CLR_FD) = 0 [pid 5338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5338] close(4) = 0 [pid 5338] close(3) = 0 [pid 5338] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5338] ftruncate(3, 33587199) = 0 [pid 5338] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5338] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5338] read(4, 0x20000180, 4294966855) = 16776832 [pid 5338] exit_group(0) = ? [pid 5338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5339 attached , child_tidptr=0x55555c8e8650) = 5339 [pid 5339] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5339] setpgid(0, 0) = 0 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5339] write(3, "1000", 4) = 4 [pid 5339] close(3) = 0 [pid 5339] write(1, "executing program\n", 18executing program ) = 18 [pid 5339] memfd_create("syzkaller", 0) = 3 [pid 5339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5339] 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 5339] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5339] ioctl(4, LOOP_CLR_FD) = 0 [pid 5339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5339] close(4) = 0 [pid 5339] close(3) = 0 [pid 5339] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5339] ftruncate(3, 33587199) = 0 [pid 5339] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5339] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5339] read(4, 0x20000180, 4294966855) = 16776832 [pid 5339] exit_group(0) = ? [pid 5339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5340 attached , child_tidptr=0x55555c8e8650) = 5340 [pid 5340] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5340] setpgid(0, 0) = 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5340] write(3, "1000", 4) = 4 [pid 5340] close(3) = 0 [pid 5340] write(1, "executing program\n", 18executing program ) = 18 [pid 5340] memfd_create("syzkaller", 0) = 3 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5340] 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 5340] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5340] ioctl(4, LOOP_CLR_FD) = 0 [pid 5340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5340] close(4) = 0 [pid 5340] close(3) = 0 [pid 5340] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5340] ftruncate(3, 33587199) = 0 [pid 5340] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5340] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5340] read(4, 0x20000180, 4294966855) = 16776832 [pid 5340] exit_group(0) = ? [pid 5340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5342 attached , child_tidptr=0x55555c8e8650) = 5342 [pid 5342] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5342] setpgid(0, 0) = 0 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5342] write(3, "1000", 4) = 4 [pid 5342] close(3executing program ) = 0 [pid 5342] write(1, "executing program\n", 18) = 18 [pid 5342] memfd_create("syzkaller", 0) = 3 [pid 5342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5342] 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 5342] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5342] ioctl(4, LOOP_CLR_FD) = 0 [pid 5342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5342] close(4) = 0 [pid 5342] close(3) = 0 [pid 5342] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5342] ftruncate(3, 33587199) = 0 [pid 5342] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5342] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5342] read(4, 0x20000180, 4294966855) = 16776832 [pid 5342] exit_group(0) = ? [pid 5342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5344 attached , child_tidptr=0x55555c8e8650) = 5344 [pid 5344] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5344] setpgid(0, 0) = 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5344] write(3, "1000", 4) = 4 [pid 5344] close(3) = 0 [pid 5344] write(1, "executing program\n", 18executing program ) = 18 [pid 5344] memfd_create("syzkaller", 0) = 3 [pid 5344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5344] 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 5344] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5344] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5344] ioctl(4, LOOP_CLR_FD) = 0 [pid 5344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5344] close(4) = 0 [pid 5344] close(3) = 0 [pid 5344] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5344] ftruncate(3, 33587199) = 0 [pid 5344] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5344] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5344] read(4, 0x20000180, 4294966855) = 16776832 [pid 5344] exit_group(0) = ? [pid 5344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5346 attached [pid 5346] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5346] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5346 [pid 5346] <... setpgid resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5346] write(3, "1000", 4) = 4 [pid 5346] close(3) = 0 [pid 5346] write(1, "executing program\n", 18executing program ) = 18 [pid 5346] memfd_create("syzkaller", 0) = 3 [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5346] 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 5346] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5346] ioctl(4, LOOP_CLR_FD) = 0 [pid 5346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5346] close(4) = 0 [pid 5346] close(3) = 0 [pid 5346] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5346] ftruncate(3, 33587199) = 0 [pid 5346] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5346] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5346] read(4, 0x20000180, 4294966855) = 16776832 [pid 5346] exit_group(0) = ? [pid 5346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5348 attached [pid 5348] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5348 [pid 5348] <... set_robust_list resumed>) = 0 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5348] setpgid(0, 0) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5348] write(3, "1000", 4) = 4 [pid 5348] close(3) = 0 [pid 5348] write(1, "executing program\n", 18executing program ) = 18 [pid 5348] memfd_create("syzkaller", 0) = 3 [pid 5348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5348] 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 5348] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5348] ioctl(4, LOOP_CLR_FD) = 0 [pid 5348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5348] close(4) = 0 [pid 5348] close(3) = 0 [pid 5348] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5348] ftruncate(3, 33587199) = 0 [pid 5348] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5348] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5348] read(4, 0x20000180, 4294966855) = 16776832 [pid 5348] exit_group(0) = ? [pid 5348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5351 attached , child_tidptr=0x55555c8e8650) = 5351 [pid 5351] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5351] setpgid(0, 0) = 0 [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5351] write(3, "1000", 4) = 4 [pid 5351] close(3) = 0 [pid 5351] write(1, "executing program\n", 18executing program ) = 18 [pid 5351] memfd_create("syzkaller", 0) = 3 [pid 5351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5351] 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 5351] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5351] ioctl(4, LOOP_CLR_FD) = 0 [pid 5351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5351] close(4) = 0 [pid 5351] close(3) = 0 [pid 5351] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5351] ftruncate(3, 33587199) = 0 [pid 5351] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5351] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5351] read(4, 0x20000180, 4294966855) = 16776832 [pid 5351] exit_group(0) = ? [pid 5351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5352 attached [pid 5352] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5352 [pid 5352] <... prctl resumed>) = 0 [pid 5352] setpgid(0, 0) = 0 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5352] write(3, "1000", 4) = 4 [pid 5352] close(3) = 0 [pid 5352] write(1, "executing program\n", 18executing program ) = 18 [pid 5352] memfd_create("syzkaller", 0) = 3 [pid 5352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5352] 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 5352] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5352] ioctl(4, LOOP_CLR_FD) = 0 [pid 5352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5352] close(4) = 0 [pid 5352] close(3) = 0 [pid 5352] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5352] ftruncate(3, 33587199) = 0 [pid 5352] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5352] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5352] read(4, 0x20000180, 4294966855) = 16776832 [pid 5352] exit_group(0) = ? [pid 5352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5353 attached [pid 5353] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5353] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5353 [pid 5353] <... setpgid resumed>) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5353] write(3, "1000", 4) = 4 [pid 5353] close(3) = 0 [pid 5353] write(1, "executing program\n", 18executing program ) = 18 [pid 5353] memfd_create("syzkaller", 0) = 3 [pid 5353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5353] 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 5353] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5353] ioctl(4, LOOP_CLR_FD) = 0 [pid 5353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5353] close(4) = 0 [pid 5353] close(3) = 0 [pid 5353] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5353] ftruncate(3, 33587199) = 0 [pid 5353] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5353] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5353] read(4, 0x20000180, 4294966855) = 16776832 [pid 5353] exit_group(0) = ? [pid 5353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5354 attached executing program , child_tidptr=0x55555c8e8650) = 5354 [pid 5354] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5354] setpgid(0, 0) = 0 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5354] write(3, "1000", 4) = 4 [pid 5354] close(3) = 0 [pid 5354] write(1, "executing program\n", 18) = 18 [pid 5354] memfd_create("syzkaller", 0) = 3 [pid 5354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5354] 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 5354] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5354] ioctl(4, LOOP_CLR_FD) = 0 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5354] close(4) = 0 [pid 5354] close(3) = 0 [pid 5354] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5354] ftruncate(3, 33587199) = 0 [pid 5354] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5354] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5354] read(4, 0x20000180, 4294966855) = 16776832 [pid 5354] exit_group(0) = ? [pid 5354] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5355 attached , child_tidptr=0x55555c8e8650) = 5355 [pid 5355] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5355] setpgid(0, 0) = 0 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5355] write(3, "1000", 4) = 4 [pid 5355] close(3) = 0 executing program [pid 5355] write(1, "executing program\n", 18) = 18 [pid 5355] memfd_create("syzkaller", 0) = 3 [pid 5355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5355] 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 5355] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5355] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5355] ioctl(4, LOOP_CLR_FD) = 0 [pid 5355] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5355] close(4) = 0 [pid 5355] close(3) = 0 [pid 5355] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5355] ftruncate(3, 33587199) = 0 [pid 5355] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5355] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5355] read(4, 0x20000180, 4294966855) = 16776832 [pid 5355] exit_group(0) = ? [pid 5355] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=52 /* 0.52 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5356 attached [pid 5356] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5356] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5356 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5356] write(3, "1000", 4) = 4 [pid 5356] close(3) = 0 [pid 5356] write(1, "executing program\n", 18) = 18 [pid 5356] memfd_create("syzkaller", 0) = 3 [pid 5356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5356] 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 5356] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5356] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5356] ioctl(4, LOOP_CLR_FD) = 0 [pid 5356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5356] close(4) = 0 [pid 5356] close(3) = 0 [pid 5356] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5356] ftruncate(3, 33587199) = 0 [pid 5356] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5356] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5356] read(4, 0x20000180, 4294966855) = 16776832 [pid 5356] exit_group(0) = ? [pid 5356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5357 attached , child_tidptr=0x55555c8e8650) = 5357 [pid 5357] set_robust_list(0x55555c8e8660, 24executing program ) = 0 [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5357] setpgid(0, 0) = 0 [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5357] write(3, "1000", 4) = 4 [pid 5357] close(3) = 0 [pid 5357] write(1, "executing program\n", 18) = 18 [pid 5357] memfd_create("syzkaller", 0) = 3 [pid 5357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5357] 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 5357] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5357] ioctl(4, LOOP_CLR_FD) = 0 [pid 5357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5357] close(4) = 0 [pid 5357] close(3) = 0 [pid 5357] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5357] ftruncate(3, 33587199) = 0 [pid 5357] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5357] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5357] read(4, 0x20000180, 4294966855) = 16776832 [pid 5357] exit_group(0) = ? [pid 5357] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5357, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5358 attached , child_tidptr=0x55555c8e8650) = 5358 [pid 5358] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5358] setpgid(0, 0executing program ) = 0 [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5358] write(3, "1000", 4) = 4 [pid 5358] close(3) = 0 [pid 5358] write(1, "executing program\n", 18) = 18 [pid 5358] memfd_create("syzkaller", 0) = 3 [pid 5358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5358] 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 5358] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5358] ioctl(4, LOOP_CLR_FD) = 0 [pid 5358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5358] close(4) = 0 [pid 5358] close(3) = 0 [pid 5358] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5358] ftruncate(3, 33587199) = 0 [pid 5358] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5358] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5358] read(4, 0x20000180, 4294966855) = 16776832 [pid 5358] exit_group(0) = ? [pid 5358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5359 attached , child_tidptr=0x55555c8e8650) = 5359 [pid 5359] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5359] setpgid(0, 0) = 0 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5359] write(3, "1000", 4) = 4 [pid 5359] close(3) = 0 executing program [pid 5359] write(1, "executing program\n", 18) = 18 [pid 5359] memfd_create("syzkaller", 0) = 3 [pid 5359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5359] 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 5359] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5359] ioctl(4, LOOP_CLR_FD) = 0 [pid 5359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5359] close(4) = 0 [pid 5359] close(3) = 0 [pid 5359] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5359] ftruncate(3, 33587199) = 0 [pid 5359] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5359] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5359] read(4, 0x20000180, 4294966855) = 16776832 [pid 5359] exit_group(0) = ? [pid 5359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5360 attached [pid 5360] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5360 [pid 5360] <... prctl resumed>) = 0 [pid 5360] setpgid(0, 0) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3) = 0 [pid 5360] write(1, "executing program\n", 18executing program ) = 18 [pid 5360] memfd_create("syzkaller", 0) = 3 [pid 5360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5360] 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 5360] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5360] ioctl(4, LOOP_CLR_FD) = 0 [pid 5360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5360] close(4) = 0 [pid 5360] close(3) = 0 [pid 5360] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5360] ftruncate(3, 33587199) = 0 [pid 5360] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5360] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5360] read(4, 0x20000180, 4294966855) = 16776832 [pid 5360] exit_group(0) = ? [pid 5360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5361 attached , child_tidptr=0x55555c8e8650) = 5361 [pid 5361] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5361] setpgid(0, 0) = 0 [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5361] write(3, "1000", 4) = 4 [pid 5361] close(3executing program ) = 0 [pid 5361] write(1, "executing program\n", 18) = 18 [pid 5361] memfd_create("syzkaller", 0) = 3 [pid 5361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5361] 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 5361] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5361] ioctl(4, LOOP_CLR_FD) = 0 [pid 5361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5361] close(4) = 0 [pid 5361] close(3) = 0 [pid 5361] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5361] ftruncate(3, 33587199) = 0 [pid 5361] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5361] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5361] read(4, 0x20000180, 4294966855) = 16776832 [pid 5361] exit_group(0) = ? [pid 5361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5362 attached , child_tidptr=0x55555c8e8650) = 5362 [pid 5362] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5362] setpgid(0, 0) = 0 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5362] write(3, "1000", 4) = 4 [pid 5362] close(3) = 0 [pid 5362] write(1, "executing program\n", 18executing program ) = 18 [pid 5362] memfd_create("syzkaller", 0) = 3 [pid 5362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5362] 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 5362] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5362] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5362] ioctl(4, LOOP_CLR_FD) = 0 [pid 5362] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5362] close(4) = 0 [pid 5362] close(3) = 0 [pid 5362] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5362] ftruncate(3, 33587199) = 0 [pid 5362] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5362] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5362] read(4, 0x20000180, 4294966855) = 16776832 [pid 5362] exit_group(0) = ? [pid 5362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5363 attached , child_tidptr=0x55555c8e8650) = 5363 [pid 5363] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5363] setpgid(0, 0) = 0 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5363] write(3, "1000", 4) = 4 [pid 5363] close(3) = 0 [pid 5363] write(1, "executing program\n", 18executing program ) = 18 [pid 5363] memfd_create("syzkaller", 0) = 3 [pid 5363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5363] 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 5363] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5363] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5363] ioctl(4, LOOP_CLR_FD) = 0 [pid 5363] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5363] close(4) = 0 [pid 5363] close(3) = 0 [pid 5363] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5363] ftruncate(3, 33587199) = 0 [pid 5363] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5363] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5363] read(4, 0x20000180, 4294966855) = 16776832 [pid 5363] exit_group(0) = ? [pid 5363] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5364 attached , child_tidptr=0x55555c8e8650) = 5364 [pid 5364] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5364] setpgid(0, 0) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 [pid 5364] write(1, "executing program\n", 18executing program ) = 18 [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5364] 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 5364] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5364] ioctl(4, LOOP_CLR_FD) = 0 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5364] close(4) = 0 [pid 5364] close(3) = 0 [pid 5364] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5364] ftruncate(3, 33587199) = 0 [pid 5364] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5364] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5364] read(4, 0x20000180, 4294966855) = 16776832 [pid 5364] exit_group(0) = ? [pid 5364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5365 attached , child_tidptr=0x55555c8e8650) = 5365 [pid 5365] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5365] setpgid(0, 0) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5365] write(3, "1000", 4) = 4 [pid 5365] close(3) = 0 [pid 5365] write(1, "executing program\n", 18executing program ) = 18 [pid 5365] memfd_create("syzkaller", 0) = 3 [pid 5365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5365] 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 5365] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5365] ioctl(4, LOOP_CLR_FD) = 0 [pid 5365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5365] close(4) = 0 [pid 5365] close(3) = 0 [pid 5365] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5365] ftruncate(3, 33587199) = 0 [pid 5365] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5365] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5365] read(4, 0x20000180, 4294966855) = 16776832 [pid 5365] exit_group(0) = ? [pid 5365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5366 attached , child_tidptr=0x55555c8e8650) = 5366 [pid 5366] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5366] setpgid(0, 0) = 0 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5366] write(3, "1000", 4) = 4 [pid 5366] close(3) = 0 [pid 5366] write(1, "executing program\n", 18executing program ) = 18 [pid 5366] memfd_create("syzkaller", 0) = 3 [pid 5366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5366] 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 5366] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5366] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5366] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5366] ioctl(4, LOOP_CLR_FD) = 0 [pid 5366] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5366] close(4) = 0 [pid 5366] close(3) = 0 [pid 5366] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5366] ftruncate(3, 33587199) = 0 [pid 5366] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5366] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5366] read(4, 0x20000180, 4294966855) = 16776832 [pid 5366] exit_group(0) = ? [pid 5366] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5367 attached , child_tidptr=0x55555c8e8650) = 5367 [pid 5367] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5367] setpgid(0, 0) = 0 [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5367] write(3, "1000", 4) = 4 [pid 5367] close(3) = 0 [pid 5367] write(1, "executing program\n", 18executing program ) = 18 [pid 5367] memfd_create("syzkaller", 0) = 3 [pid 5367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5367] 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 5367] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5367] ioctl(4, LOOP_CLR_FD) = 0 [pid 5367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5367] close(4) = 0 [pid 5367] close(3) = 0 [pid 5367] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5367] ftruncate(3, 33587199) = 0 [pid 5367] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5367] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5367] read(4, 0x20000180, 4294966855) = 16776832 [pid 5367] exit_group(0) = ? [pid 5367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5368 attached , child_tidptr=0x55555c8e8650) = 5368 [pid 5368] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5368] setpgid(0, 0) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5368] write(3, "1000", 4) = 4 [pid 5368] close(3) = 0 [pid 5368] write(1, "executing program\n", 18executing program ) = 18 [pid 5368] memfd_create("syzkaller", 0) = 3 [pid 5368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5368] 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 5368] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5368] ioctl(4, LOOP_CLR_FD) = 0 [pid 5368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5368] close(4) = 0 [pid 5368] close(3) = 0 [pid 5368] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5368] ftruncate(3, 33587199) = 0 [pid 5368] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5368] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5368] read(4, 0x20000180, 4294966855) = 16776832 [pid 5368] exit_group(0) = ? [pid 5368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5369 attached , child_tidptr=0x55555c8e8650) = 5369 [pid 5369] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5369] setpgid(0, 0) = 0 [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5369] write(3, "1000", 4) = 4 [pid 5369] close(3) = 0 [pid 5369] write(1, "executing program\n", 18executing program ) = 18 [pid 5369] memfd_create("syzkaller", 0) = 3 [pid 5369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5369] 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 5369] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5369] ioctl(4, LOOP_CLR_FD) = 0 [pid 5369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5369] close(4) = 0 [pid 5369] close(3) = 0 [pid 5369] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5369] ftruncate(3, 33587199) = 0 [pid 5369] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5369] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5369] read(4, 0x20000180, 4294966855) = 16776832 [pid 5369] exit_group(0) = ? [pid 5369] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5370 attached [pid 5370] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5370 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5370] setpgid(0, 0) = 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5370] write(3, "1000", 4) = 4 [pid 5370] close(3executing program ) = 0 [pid 5370] write(1, "executing program\n", 18) = 18 [pid 5370] memfd_create("syzkaller", 0) = 3 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5370] 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 5370] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5370] ioctl(4, LOOP_CLR_FD) = 0 [pid 5370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5370] close(4) = 0 [pid 5370] close(3) = 0 [pid 5370] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5370] ftruncate(3, 33587199) = 0 [pid 5370] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5370] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5370] read(4, 0x20000180, 4294966855) = 16776832 [pid 5370] exit_group(0) = ? [pid 5370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5371 attached [pid 5371] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5371 [pid 5371] <... prctl resumed>) = 0 [pid 5371] setpgid(0, 0) = 0 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5371] write(3, "1000", 4) = 4 [pid 5371] close(3) = 0 [pid 5371] write(1, "executing program\n", 18executing program ) = 18 [pid 5371] memfd_create("syzkaller", 0) = 3 [pid 5371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5371] 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 5371] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5371] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5371] ioctl(4, LOOP_CLR_FD) = 0 [pid 5371] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5371] close(4) = 0 [pid 5371] close(3) = 0 [pid 5371] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5371] ftruncate(3, 33587199) = 0 [pid 5371] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5371] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5371] read(4, 0x20000180, 4294966855) = 16776832 [pid 5371] exit_group(0) = ? [pid 5371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5371, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5372 attached , child_tidptr=0x55555c8e8650) = 5372 [pid 5372] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5372] setpgid(0, 0) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5372] write(3, "1000", 4) = 4 [pid 5372] close(3) = 0 [pid 5372] write(1, "executing program\n", 18executing program ) = 18 [pid 5372] memfd_create("syzkaller", 0) = 3 [pid 5372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5372] 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 5372] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5372] ioctl(4, LOOP_CLR_FD) = 0 [pid 5372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5372] close(4) = 0 [pid 5372] close(3) = 0 [pid 5372] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5372] ftruncate(3, 33587199) = 0 [pid 5372] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5372] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5372] read(4, 0x20000180, 4294966855) = 16776832 [pid 5372] exit_group(0) = ? [pid 5372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5373 attached , child_tidptr=0x55555c8e8650) = 5373 [pid 5373] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5373] setpgid(0, 0) = 0 [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5373] write(3, "1000", 4) = 4 [pid 5373] close(3) = 0 executing program [pid 5373] write(1, "executing program\n", 18) = 18 [pid 5373] memfd_create("syzkaller", 0) = 3 [pid 5373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5373] 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 5373] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5373] ioctl(4, LOOP_CLR_FD) = 0 [pid 5373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5373] close(4) = 0 [pid 5373] close(3) = 0 [pid 5373] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5373] ftruncate(3, 33587199) = 0 [pid 5373] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5373] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5373] read(4, 0x20000180, 4294966855) = 16776832 [pid 5373] exit_group(0) = ? [pid 5373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached [pid 5374] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5374] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5374 [pid 5374] <... setpgid resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3) = 0 [pid 5374] write(1, "executing program\n", 18executing program ) = 18 [pid 5374] memfd_create("syzkaller", 0) = 3 [pid 5374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5374] 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 5374] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5374] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5374] ioctl(4, LOOP_CLR_FD) = 0 [pid 5374] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5374] close(4) = 0 [pid 5374] close(3) = 0 [pid 5374] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5374] ftruncate(3, 33587199) = 0 [pid 5374] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5374] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5374] read(4, 0x20000180, 4294966855) = 16776832 [pid 5374] exit_group(0) = ? [pid 5374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5375 attached , child_tidptr=0x55555c8e8650) = 5375 [pid 5375] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5375] setpgid(0, 0) = 0 [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5375] write(3, "1000", 4) = 4 [pid 5375] close(3) = 0 [pid 5375] write(1, "executing program\n", 18executing program ) = 18 [pid 5375] memfd_create("syzkaller", 0) = 3 [pid 5375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5375] 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 5375] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5375] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5375] ioctl(4, LOOP_CLR_FD) = 0 [pid 5375] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5375] close(4) = 0 [pid 5375] close(3) = 0 [pid 5375] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5375] ftruncate(3, 33587199) = 0 [pid 5375] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5375] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5375] read(4, 0x20000180, 4294966855) = 16776832 [pid 5375] exit_group(0) = ? [pid 5375] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5376 attached , child_tidptr=0x55555c8e8650) = 5376 [pid 5376] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5376] setpgid(0, 0) = 0 [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5376] write(3, "1000", 4) = 4 [pid 5376] close(3) = 0 executing program [pid 5376] write(1, "executing program\n", 18) = 18 [pid 5376] memfd_create("syzkaller", 0) = 3 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5376] 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 5376] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5376] ioctl(4, LOOP_CLR_FD) = 0 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5376] close(4) = 0 [pid 5376] close(3) = 0 [pid 5376] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5376] ftruncate(3, 33587199) = 0 [pid 5376] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5376] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5376] read(4, 0x20000180, 4294966855) = 16776832 [pid 5376] exit_group(0) = ? [pid 5376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5376, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5377 attached , child_tidptr=0x55555c8e8650) = 5377 [pid 5377] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5377] setpgid(0, 0) = 0 [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5377] write(3, "1000", 4) = 4 [pid 5377] close(3) = 0 executing program [pid 5377] write(1, "executing program\n", 18) = 18 [pid 5377] memfd_create("syzkaller", 0) = 3 [pid 5377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5377] 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 5377] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5377] ioctl(4, LOOP_CLR_FD) = 0 [pid 5377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5377] close(4) = 0 [pid 5377] close(3) = 0 [pid 5377] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5377] ftruncate(3, 33587199) = 0 [pid 5377] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5377] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5377] read(4, 0x20000180, 4294966855) = 16776832 [pid 5377] exit_group(0) = ? [pid 5377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5378 attached [pid 5378] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5378] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5378 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5378] write(3, "1000", 4) = 4 [pid 5378] close(3) = 0 [pid 5378] write(1, "executing program\n", 18executing program ) = 18 [pid 5378] memfd_create("syzkaller", 0) = 3 [pid 5378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5378] 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 5378] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5378] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5378] ioctl(4, LOOP_CLR_FD) = 0 [pid 5378] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5378] close(4) = 0 [pid 5378] close(3) = 0 [pid 5378] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5378] ftruncate(3, 33587199) = 0 [pid 5378] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5378] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5378] read(4, 0x20000180, 4294966855) = 16776832 [pid 5378] exit_group(0) = ? [pid 5378] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5379 attached [pid 5379] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5379] setpgid(0, 0) = 0 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5379 [pid 5379] <... openat resumed>) = 3 [pid 5379] write(3, "1000", 4) = 4 [pid 5379] close(3) = 0 [pid 5379] write(1, "executing program\n", 18executing program ) = 18 [pid 5379] memfd_create("syzkaller", 0) = 3 [pid 5379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5379] 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 5379] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5379] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5379] ioctl(4, LOOP_CLR_FD) = 0 [pid 5379] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5379] close(4) = 0 [pid 5379] close(3) = 0 [pid 5379] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5379] ftruncate(3, 33587199) = 0 [pid 5379] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5379] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5379] read(4, 0x20000180, 4294966855) = 16776832 [pid 5379] exit_group(0) = ? [pid 5379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5379, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5380 attached [pid 5380] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5380 [pid 5380] <... prctl resumed>) = 0 [pid 5380] setpgid(0, 0) = 0 [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5380] write(3, "1000", 4) = 4 [pid 5380] close(3) = 0 [pid 5380] write(1, "executing program\n", 18executing program ) = 18 [pid 5380] memfd_create("syzkaller", 0) = 3 [pid 5380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5380] 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 5380] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5380] ioctl(4, LOOP_CLR_FD) = 0 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5380] close(4) = 0 [pid 5380] close(3) = 0 [pid 5380] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5380] ftruncate(3, 33587199) = 0 [pid 5380] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5380] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5380] read(4, 0x20000180, 4294966855) = 16776832 [pid 5380] exit_group(0) = ? [pid 5380] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5381 attached , child_tidptr=0x55555c8e8650) = 5381 [pid 5381] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5381] setpgid(0, 0) = 0 [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5381] write(3, "1000", 4) = 4 [pid 5381] close(3) = 0 [pid 5381] write(1, "executing program\n", 18executing program ) = 18 [pid 5381] memfd_create("syzkaller", 0) = 3 [pid 5381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5381] 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 5381] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5381] ioctl(4, LOOP_CLR_FD) = 0 [pid 5381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5381] close(4) = 0 [pid 5381] close(3) = 0 [pid 5381] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5381] ftruncate(3, 33587199) = 0 [pid 5381] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5381] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5381] read(4, 0x20000180, 4294966855) = 16776832 [pid 5381] exit_group(0) = ? [pid 5381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5381, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5382 attached , child_tidptr=0x55555c8e8650) = 5382 [pid 5382] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5382] setpgid(0, 0) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5382] write(3, "1000", 4) = 4 [pid 5382] close(3) = 0 executing program [pid 5382] write(1, "executing program\n", 18) = 18 [pid 5382] memfd_create("syzkaller", 0) = 3 [pid 5382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5382] 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 5382] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5382] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5382] ioctl(4, LOOP_CLR_FD) = 0 [pid 5382] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5382] close(4) = 0 [pid 5382] close(3) = 0 [pid 5382] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5382] ftruncate(3, 33587199) = 0 [pid 5382] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5382] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5382] read(4, 0x20000180, 4294966855) = 16776832 [pid 5382] exit_group(0) = ? [pid 5382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5383 attached , child_tidptr=0x55555c8e8650) = 5383 [pid 5383] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5383] setpgid(0, 0) = 0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5383] write(3, "1000", 4) = 4 executing program [pid 5383] close(3) = 0 [pid 5383] write(1, "executing program\n", 18) = 18 [pid 5383] memfd_create("syzkaller", 0) = 3 [pid 5383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5383] 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 5383] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5383] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5383] ioctl(4, LOOP_CLR_FD) = 0 [pid 5383] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5383] close(4) = 0 [pid 5383] close(3) = 0 [pid 5383] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5383] ftruncate(3, 33587199) = 0 [pid 5383] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5383] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5383] read(4, 0x20000180, 4294966855) = 16776832 [pid 5383] exit_group(0) = ? [pid 5383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5384 attached [pid 5384] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5384 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5384] setpgid(0, 0) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5384] write(3, "1000", 4) = 4 [pid 5384] close(3) = 0 executing program [pid 5384] write(1, "executing program\n", 18) = 18 [pid 5384] memfd_create("syzkaller", 0) = 3 [pid 5384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5384] 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 5384] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5384] ioctl(4, LOOP_CLR_FD) = 0 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5384] close(4) = 0 [pid 5384] close(3) = 0 [pid 5384] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5384] ftruncate(3, 33587199) = 0 [pid 5384] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5384] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5384] read(4, 0x20000180, 4294966855) = 16776832 [pid 5384] exit_group(0) = ? [pid 5384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5385 attached [pid 5385] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5385 [pid 5385] <... set_robust_list resumed>) = 0 [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5385] setpgid(0, 0) = 0 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5385] write(3, "1000", 4) = 4 [pid 5385] close(3) = 0 executing program [pid 5385] write(1, "executing program\n", 18) = 18 [pid 5385] memfd_create("syzkaller", 0) = 3 [pid 5385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5385] 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 5385] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5385] ioctl(4, LOOP_CLR_FD) = 0 [pid 5385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5385] close(4) = 0 [pid 5385] close(3) = 0 [pid 5385] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5385] ftruncate(3, 33587199) = 0 [pid 5385] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5385] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5385] read(4, 0x20000180, 4294966855) = 16776832 [pid 5385] exit_group(0) = ? [pid 5385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5386 attached , child_tidptr=0x55555c8e8650) = 5386 [pid 5386] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5386] setpgid(0, 0) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5386] write(3, "1000", 4) = 4 [pid 5386] close(3) = 0 executing program [pid 5386] write(1, "executing program\n", 18) = 18 [pid 5386] memfd_create("syzkaller", 0) = 3 [pid 5386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5386] 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 5386] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5386] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5386] ioctl(4, LOOP_CLR_FD) = 0 [pid 5386] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5386] close(4) = 0 [pid 5386] close(3) = 0 [pid 5386] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5386] ftruncate(3, 33587199) = 0 [pid 5386] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5386] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5386] read(4, 0x20000180, 4294966855) = 16776832 [pid 5386] exit_group(0) = ? [pid 5386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5387 attached , child_tidptr=0x55555c8e8650) = 5387 [pid 5387] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5387] setpgid(0, 0) = 0 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5387] write(3, "1000", 4) = 4 [pid 5387] close(3) = 0 [pid 5387] write(1, "executing program\n", 18executing program ) = 18 [pid 5387] memfd_create("syzkaller", 0) = 3 [pid 5387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5387] 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 5387] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5387] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5387] ioctl(4, LOOP_CLR_FD) = 0 [pid 5387] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5387] close(4) = 0 [pid 5387] close(3) = 0 [pid 5387] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5387] ftruncate(3, 33587199) = 0 [pid 5387] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5387] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5387] read(4, 0x20000180, 4294966855) = 16776832 [pid 5387] exit_group(0) = ? [pid 5387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5387, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5388 attached , child_tidptr=0x55555c8e8650) = 5388 [pid 5388] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5388] setpgid(0, 0) = 0 [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5388] write(3, "1000", 4) = 4 [pid 5388] close(3) = 0 [pid 5388] write(1, "executing program\n", 18) = 18 [pid 5388] memfd_create("syzkaller", 0) = 3 [pid 5388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5388] 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 5388] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5388] ioctl(4, LOOP_CLR_FD) = 0 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5388] close(4) = 0 [pid 5388] close(3) = 0 [pid 5388] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5388] ftruncate(3, 33587199) = 0 [pid 5388] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5388] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5388] read(4, 0x20000180, 4294966855) = 16776832 [pid 5388] exit_group(0) = ? [pid 5388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5388, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=62 /* 0.62 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5389 attached , child_tidptr=0x55555c8e8650) = 5389 [pid 5389] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5389] setpgid(0, 0) = 0 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5389] write(3, "1000", 4) = 4 [pid 5389] close(3) = 0 [pid 5389] write(1, "executing program\n", 18executing program ) = 18 [pid 5389] memfd_create("syzkaller", 0) = 3 [pid 5389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5389] 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 5389] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5389] ioctl(4, LOOP_CLR_FD) = 0 [pid 5389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5389] close(4) = 0 [pid 5389] close(3) = 0 [pid 5389] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5389] ftruncate(3, 33587199) = 0 [pid 5389] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5389] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5389] read(4, 0x20000180, 4294966855) = 16776832 [pid 5389] exit_group(0) = ? [pid 5389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5390 attached , child_tidptr=0x55555c8e8650) = 5390 [pid 5390] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5390] setpgid(0, 0) = 0 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5390] write(3, "1000", 4) = 4 [pid 5390] close(3) = 0 [pid 5390] write(1, "executing program\n", 18executing program ) = 18 [pid 5390] memfd_create("syzkaller", 0) = 3 [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5390] 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 5390] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5390] ioctl(4, LOOP_CLR_FD) = 0 [pid 5390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5390] close(4) = 0 [pid 5390] close(3) = 0 [pid 5390] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5390] ftruncate(3, 33587199) = 0 [pid 5390] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5390] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5390] read(4, 0x20000180, 4294966855) = 16776832 [pid 5390] exit_group(0) = ? [pid 5390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5390, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5391 attached , child_tidptr=0x55555c8e8650) = 5391 [pid 5391] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5391] setpgid(0, 0) = 0 [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5391] write(3, "1000", 4) = 4 [pid 5391] close(3) = 0 [pid 5391] write(1, "executing program\n", 18executing program ) = 18 [pid 5391] memfd_create("syzkaller", 0) = 3 [pid 5391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5391] 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 5391] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5391] ioctl(4, LOOP_CLR_FD) = 0 [pid 5391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5391] close(4) = 0 [pid 5391] close(3) = 0 [pid 5391] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5391] ftruncate(3, 33587199) = 0 [pid 5391] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5391] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5391] read(4, 0x20000180, 4294966855) = 16776832 [pid 5391] exit_group(0) = ? [pid 5391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5391, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5392 attached [pid 5392] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5392] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5392 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5392] write(3, "1000", 4) = 4 [pid 5392] close(3) = 0 [pid 5392] write(1, "executing program\n", 18executing program ) = 18 [pid 5392] memfd_create("syzkaller", 0) = 3 [pid 5392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5392] 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 5392] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5392] ioctl(4, LOOP_CLR_FD) = 0 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5392] close(4) = 0 [pid 5392] close(3) = 0 [pid 5392] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5392] ftruncate(3, 33587199) = 0 [pid 5392] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5392] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5392] read(4, 0x20000180, 4294966855) = 16776832 [pid 5392] exit_group(0) = ? [pid 5392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5393 attached , child_tidptr=0x55555c8e8650) = 5393 [pid 5393] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5393] setpgid(0, 0) = 0 [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5393] write(3, "1000", 4) = 4 [pid 5393] close(3) = 0 [pid 5393] write(1, "executing program\n", 18executing program ) = 18 [pid 5393] memfd_create("syzkaller", 0) = 3 [pid 5393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5393] 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 5393] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5393] ioctl(4, LOOP_CLR_FD) = 0 [pid 5393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5393] close(4) = 0 [pid 5393] close(3) = 0 [pid 5393] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5393] ftruncate(3, 33587199) = 0 [pid 5393] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5393] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5393] read(4, 0x20000180, 4294966855) = 16776832 [pid 5393] exit_group(0) = ? [pid 5393] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5393, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5394 attached , child_tidptr=0x55555c8e8650) = 5394 [pid 5394] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5394] setpgid(0, 0) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5394] write(3, "1000", 4) = 4 [pid 5394] close(3) = 0 executing program [pid 5394] write(1, "executing program\n", 18) = 18 [pid 5394] memfd_create("syzkaller", 0) = 3 [pid 5394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5394] 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 5394] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5394] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5394] ioctl(4, LOOP_CLR_FD) = 0 [pid 5394] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5394] close(4) = 0 [pid 5394] close(3) = 0 [pid 5394] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5394] ftruncate(3, 33587199) = 0 [pid 5394] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5394] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5394] read(4, 0x20000180, 4294966855) = 16776832 [pid 5394] exit_group(0) = ? [pid 5394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5395 attached , child_tidptr=0x55555c8e8650) = 5395 [pid 5395] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5395] setpgid(0, 0) = 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5395] write(3, "1000", 4) = 4 [pid 5395] close(3) = 0 [pid 5395] write(1, "executing program\n", 18executing program ) = 18 [pid 5395] memfd_create("syzkaller", 0) = 3 [pid 5395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5395] 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 5395] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5395] ioctl(4, LOOP_CLR_FD) = 0 [pid 5395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5395] close(4) = 0 [pid 5395] close(3) = 0 [pid 5395] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5395] ftruncate(3, 33587199) = 0 [pid 5395] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5395] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5395] read(4, 0x20000180, 4294966855) = 16776832 [pid 5395] exit_group(0) = ? [pid 5395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5396 attached , child_tidptr=0x55555c8e8650) = 5396 [pid 5396] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5396] setpgid(0, 0) = 0 [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5396] write(3, "1000", 4) = 4 [pid 5396] close(3) = 0 [pid 5396] write(1, "executing program\n", 18executing program ) = 18 [pid 5396] memfd_create("syzkaller", 0) = 3 [pid 5396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5396] 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 5396] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5396] ioctl(4, LOOP_CLR_FD) = 0 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5396] close(4) = 0 [pid 5396] close(3) = 0 [pid 5396] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5396] ftruncate(3, 33587199) = 0 [pid 5396] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5396] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5396] read(4, 0x20000180, 4294966855) = 16776832 [pid 5396] exit_group(0) = ? [pid 5396] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5396, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5397 attached , child_tidptr=0x55555c8e8650) = 5397 [pid 5397] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5397] setpgid(0, 0) = 0 [pid 5397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5397] write(3, "1000", 4) = 4 [pid 5397] close(3) = 0 [pid 5397] write(1, "executing program\n", 18executing program ) = 18 [pid 5397] memfd_create("syzkaller", 0) = 3 [pid 5397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5397] 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 5397] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5397] ioctl(4, LOOP_CLR_FD) = 0 [pid 5397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5397] close(4) = 0 [pid 5397] close(3) = 0 [pid 5397] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5397] ftruncate(3, 33587199) = 0 [pid 5397] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5397] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5397] read(4, 0x20000180, 4294966855) = 16776832 [pid 5397] exit_group(0) = ? [pid 5397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5397, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5398 attached , child_tidptr=0x55555c8e8650) = 5398 [pid 5398] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5398] setpgid(0, 0) = 0 [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5398] write(3, "1000", 4) = 4 [pid 5398] close(3) = 0 executing program [pid 5398] write(1, "executing program\n", 18) = 18 [pid 5398] memfd_create("syzkaller", 0) = 3 [pid 5398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5398] 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 5398] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5398] ioctl(4, LOOP_CLR_FD) = 0 [pid 5398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5398] close(4) = 0 [pid 5398] close(3) = 0 [pid 5398] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5398] ftruncate(3, 33587199) = 0 [pid 5398] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5398] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5398] read(4, 0x20000180, 4294966855) = 16776832 [pid 5398] exit_group(0) = ? [pid 5398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5399 attached , child_tidptr=0x55555c8e8650) = 5399 [pid 5399] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5399] setpgid(0, 0) = 0 [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5399] write(3, "1000", 4) = 4 [pid 5399] close(3) = 0 executing program [pid 5399] write(1, "executing program\n", 18) = 18 [pid 5399] memfd_create("syzkaller", 0) = 3 [pid 5399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5399] 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 5399] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5399] ioctl(4, LOOP_CLR_FD) = 0 [pid 5399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5399] close(4) = 0 [pid 5399] close(3) = 0 [pid 5399] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5399] ftruncate(3, 33587199) = 0 [pid 5399] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5399] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5399] read(4, 0x20000180, 4294966855) = 16776832 [pid 5399] exit_group(0) = ? [pid 5399] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5399, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=51 /* 0.51 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5400 attached , child_tidptr=0x55555c8e8650) = 5400 [pid 5400] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5400] setpgid(0, 0) = 0 [pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5400] write(3, "1000", 4) = 4 [pid 5400] close(3) = 0 [pid 5400] write(1, "executing program\n", 18) = 18 [pid 5400] memfd_create("syzkaller", 0) = 3 [pid 5400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5400] 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 5400] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5400] ioctl(4, LOOP_CLR_FD) = 0 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5400] close(4) = 0 [pid 5400] close(3) = 0 [pid 5400] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5400] ftruncate(3, 33587199) = 0 [pid 5400] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5400] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5400] read(4, 0x20000180, 4294966855) = 16776832 [pid 5400] exit_group(0) = ? [pid 5400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5400, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=56 /* 0.56 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5401 attached , child_tidptr=0x55555c8e8650) = 5401 [pid 5401] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5401] setpgid(0, 0) = 0 [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5401] write(3, "1000", 4) = 4 [pid 5401] close(3executing program ) = 0 [pid 5401] write(1, "executing program\n", 18) = 18 [pid 5401] memfd_create("syzkaller", 0) = 3 [pid 5401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5401] 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 5401] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5401] ioctl(4, LOOP_CLR_FD) = 0 [pid 5401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5401] close(4) = 0 [pid 5401] close(3) = 0 [pid 5401] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5401] ftruncate(3, 33587199) = 0 [pid 5401] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5401] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5401] read(4, 0x20000180, 4294966855) = 16776832 [pid 5401] exit_group(0) = ? [pid 5401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5402 attached , child_tidptr=0x55555c8e8650) = 5402 [pid 5402] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5402] setpgid(0, 0) = 0 [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5402] write(3, "1000", 4) = 4 [pid 5402] close(3) = 0 [pid 5402] write(1, "executing program\n", 18executing program ) = 18 [pid 5402] memfd_create("syzkaller", 0) = 3 [pid 5402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5402] 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 5402] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5402] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5402] ioctl(4, LOOP_CLR_FD) = 0 [pid 5402] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5402] close(4) = 0 [pid 5402] close(3) = 0 [pid 5402] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5402] ftruncate(3, 33587199) = 0 [pid 5402] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5402] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5402] read(4, 0x20000180, 4294966855) = 16776832 [pid 5402] exit_group(0) = ? [pid 5402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5403 attached [pid 5403] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5403] setpgid(0, 0) = 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5403 [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5403] write(3, "1000", 4) = 4 executing program [pid 5403] close(3) = 0 [pid 5403] write(1, "executing program\n", 18) = 18 [pid 5403] memfd_create("syzkaller", 0) = 3 [pid 5403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5403] 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 5403] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5403] ioctl(4, LOOP_CLR_FD) = 0 [pid 5403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5403] close(4) = 0 [pid 5403] close(3) = 0 [pid 5403] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5403] ftruncate(3, 33587199) = 0 [pid 5403] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5403] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5403] read(4, 0x20000180, 4294966855) = 16776832 [pid 5403] exit_group(0) = ? [pid 5403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5403, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5404 attached , child_tidptr=0x55555c8e8650) = 5404 [pid 5404] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5404] setpgid(0, 0) = 0 [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5404] write(3, "1000", 4) = 4 [pid 5404] close(3) = 0 [pid 5404] write(1, "executing program\n", 18executing program ) = 18 [pid 5404] memfd_create("syzkaller", 0) = 3 [pid 5404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5404] 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 5404] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5404] ioctl(4, LOOP_CLR_FD) = 0 [pid 5404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5404] close(4) = 0 [pid 5404] close(3) = 0 [pid 5404] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5404] ftruncate(3, 33587199) = 0 [pid 5404] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5404] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5404] read(4, 0x20000180, 4294966855) = 16776832 [pid 5404] exit_group(0) = ? [pid 5404] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5405 attached , child_tidptr=0x55555c8e8650) = 5405 [pid 5405] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5405] setpgid(0, 0) = 0 [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5405] write(3, "1000", 4) = 4 [pid 5405] close(3) = 0 [pid 5405] write(1, "executing program\n", 18executing program ) = 18 [pid 5405] memfd_create("syzkaller", 0) = 3 [pid 5405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5405] 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 5405] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5405] ioctl(4, LOOP_CLR_FD) = 0 [pid 5405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5405] close(4) = 0 [pid 5405] close(3) = 0 [pid 5405] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5405] ftruncate(3, 33587199) = 0 [pid 5405] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5405] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5405] read(4, 0x20000180, 4294966855) = 16776832 [pid 5405] exit_group(0) = ? [pid 5405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5406 attached , child_tidptr=0x55555c8e8650) = 5406 [pid 5406] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5406] setpgid(0, 0) = 0 [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5406] write(3, "1000", 4) = 4 [pid 5406] close(3) = 0 [pid 5406] write(1, "executing program\n", 18executing program ) = 18 [pid 5406] memfd_create("syzkaller", 0) = 3 [pid 5406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5406] 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 5406] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5406] ioctl(4, LOOP_CLR_FD) = 0 [pid 5406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5406] close(4) = 0 [pid 5406] close(3) = 0 [pid 5406] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5406] ftruncate(3, 33587199) = 0 [pid 5406] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5406] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5406] read(4, 0x20000180, 4294966855) = 16776832 [pid 5406] exit_group(0) = ? [pid 5406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5407 attached , child_tidptr=0x55555c8e8650) = 5407 [pid 5407] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5407] setpgid(0, 0) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5407] write(3, "1000", 4) = 4 [pid 5407] close(3) = 0 [pid 5407] write(1, "executing program\n", 18executing program ) = 18 [pid 5407] memfd_create("syzkaller", 0) = 3 [pid 5407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5407] 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 5407] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5407] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5407] ioctl(4, LOOP_CLR_FD) = 0 [pid 5407] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5407] close(4) = 0 [pid 5407] close(3) = 0 [pid 5407] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5407] ftruncate(3, 33587199) = 0 [pid 5407] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5407] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5407] read(4, 0x20000180, 4294966855) = 16776832 [pid 5407] exit_group(0) = ? [pid 5407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5408 attached [pid 5408] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5408] setpgid(0, 0 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5408 [pid 5408] <... setpgid resumed>) = 0 [pid 5408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5408] write(3, "1000", 4) = 4 [pid 5408] close(3) = 0 [pid 5408] write(1, "executing program\n", 18) = 18 executing program [pid 5408] memfd_create("syzkaller", 0) = 3 [pid 5408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5408] 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 5408] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] ioctl(4, LOOP_CLR_FD) = 0 [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] close(4) = 0 [pid 5408] close(3) = 0 [pid 5408] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5408] ftruncate(3, 33587199) = 0 [pid 5408] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5408] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5408] read(4, 0x20000180, 4294966855) = 16776832 [pid 5408] exit_group(0) = ? [pid 5408] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5408, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=54 /* 0.54 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5409 attached , child_tidptr=0x55555c8e8650) = 5409 [pid 5409] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5409] setpgid(0, 0) = 0 [pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5409] write(3, "1000", 4) = 4 [pid 5409] close(3) = 0 [pid 5409] write(1, "executing program\n", 18executing program ) = 18 [pid 5409] memfd_create("syzkaller", 0) = 3 [pid 5409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5409] 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 5409] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5409] ioctl(4, LOOP_CLR_FD) = 0 [pid 5409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5409] close(4) = 0 [pid 5409] close(3) = 0 [pid 5409] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5409] ftruncate(3, 33587199) = 0 [pid 5409] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5409] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5409] read(4, 0x20000180, 4294966855) = 16776832 [pid 5409] exit_group(0) = ? [pid 5409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5409, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5410 attached , child_tidptr=0x55555c8e8650) = 5410 [pid 5410] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5410] setpgid(0, 0) = 0 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5410] write(3, "1000", 4) = 4 [pid 5410] close(3) = 0 [pid 5410] write(1, "executing program\n", 18executing program ) = 18 [pid 5410] memfd_create("syzkaller", 0) = 3 [pid 5410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5410] 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 5410] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5410] ioctl(4, LOOP_CLR_FD) = 0 [pid 5410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5410] close(4) = 0 [pid 5410] close(3) = 0 [pid 5410] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5410] ftruncate(3, 33587199) = 0 [pid 5410] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5410] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5410] read(4, 0x20000180, 4294966855) = 16776832 [pid 5410] exit_group(0) = ? [pid 5410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5411 attached , child_tidptr=0x55555c8e8650) = 5411 [pid 5411] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5411] setpgid(0, 0) = 0 [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5411] write(3, "1000", 4) = 4 [pid 5411] close(3) = 0 [pid 5411] write(1, "executing program\n", 18executing program ) = 18 [pid 5411] memfd_create("syzkaller", 0) = 3 [pid 5411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5411] 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 5411] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5411] ioctl(4, LOOP_CLR_FD) = 0 [pid 5411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5411] close(4) = 0 [pid 5411] close(3) = 0 [pid 5411] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5411] ftruncate(3, 33587199) = 0 [pid 5411] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5411] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5411] read(4, 0x20000180, 4294966855) = 16776832 [pid 5411] exit_group(0) = ? [pid 5411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5411, si_uid=0, si_status=0, si_utime=0, si_stime=58 /* 0.58 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5412 attached [pid 5412] set_robust_list(0x55555c8e8660, 24 [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5412 [pid 5412] <... set_robust_list resumed>) = 0 [pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5412] setpgid(0, 0) = 0 [pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5412] write(3, "1000", 4) = 4 [pid 5412] close(3) = 0 [pid 5412] write(1, "executing program\n", 18executing program ) = 18 [pid 5412] memfd_create("syzkaller", 0) = 3 [pid 5412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5412] 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 5412] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5412] ioctl(4, LOOP_CLR_FD) = 0 [pid 5412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5412] close(4) = 0 [pid 5412] close(3) = 0 [pid 5412] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5412] ftruncate(3, 33587199) = 0 [pid 5412] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5412] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5412] read(4, 0x20000180, 4294966855) = 16776832 [pid 5412] exit_group(0) = ? [pid 5412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5412, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=53 /* 0.53 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5413 attached , child_tidptr=0x55555c8e8650) = 5413 [pid 5413] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5413] setpgid(0, 0) = 0 [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5413] write(3, "1000", 4) = 4 [pid 5413] close(3) = 0 [pid 5413] write(1, "executing program\n", 18executing program ) = 18 [pid 5413] memfd_create("syzkaller", 0) = 3 [pid 5413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5413] 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 5413] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5413] ioctl(4, LOOP_CLR_FD) = 0 [pid 5413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5413] close(4) = 0 [pid 5413] close(3) = 0 [pid 5413] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5413] ftruncate(3, 33587199) = 0 [pid 5413] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5413] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5413] read(4, 0x20000180, 4294966855) = 16776832 [pid 5413] exit_group(0) = ? [pid 5413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5414 attached [pid 5414] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... clone resumed>, child_tidptr=0x55555c8e8650) = 5414 [pid 5414] <... prctl resumed>) = 0 [pid 5414] setpgid(0, 0) = 0 [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5414] write(3, "1000", 4) = 4 [pid 5414] close(3) = 0 [pid 5414] write(1, "executing program\n", 18executing program ) = 18 [pid 5414] memfd_create("syzkaller", 0) = 3 [pid 5414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5414] 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 5414] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5414] ioctl(4, LOOP_CLR_FD) = 0 [pid 5414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5414] close(4) = 0 [pid 5414] close(3) = 0 [pid 5414] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5414] ftruncate(3, 33587199) = 0 [pid 5414] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5414] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5414] read(4, 0x20000180, 4294966855) = 16776832 [pid 5414] exit_group(0) = ? [pid 5414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=55 /* 0.55 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5415 attached , child_tidptr=0x55555c8e8650) = 5415 [pid 5415] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5415] setpgid(0, 0) = 0 [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5415] write(3, "1000", 4) = 4 [pid 5415] close(3) = 0 [pid 5415] write(1, "executing program\n", 18executing program ) = 18 [pid 5415] memfd_create("syzkaller", 0) = 3 [pid 5415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5415] 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 5415] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5415] ioctl(4, LOOP_CLR_FD) = 0 [pid 5415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5415] close(4) = 0 [pid 5415] close(3) = 0 [pid 5415] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5415] ftruncate(3, 33587199) = 0 [pid 5415] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5415] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [pid 5415] read(4, 0x20000180, 4294966855) = 16776832 [pid 5415] exit_group(0) = ? [pid 5415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5415, si_uid=0, si_status=0, si_utime=0, si_stime=56 /* 0.56 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5416 attached , child_tidptr=0x55555c8e8650) = 5416 [pid 5416] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5416] setpgid(0, 0) = 0 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5416] write(3, "1000", 4) = 4 [pid 5416] close(3) = 0 [pid 5416] write(1, "executing program\n", 18executing program ) = 18 [pid 5416] memfd_create("syzkaller", 0) = 3 [pid 5416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [pid 5416] 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 5416] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5416] ioctl(4, LOOP_CLR_FD) = 0 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5416] close(4) = 0 [pid 5416] close(3) = 0 [pid 5416] open("./bus", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3 [pid 5416] ftruncate(3, 33587199) = 0 [pid 5416] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 4 [pid 5416] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|0x7ffff0, MAP_SHARED|MAP_FIXED, 4, 0) = 0x20000000 [ 286.042399][ T30] INFO: task kworker/u8:8:1100 blocked for more than 143 seconds. [ 286.050456][ T30] Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 [ 286.058904][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.068297][ T30] task:kworker/u8:8 state:D stack:11248 pid:1100 tgid:1100 ppid:2 flags:0x00004000 [ 286.079192][ T30] Workqueue: writeback wb_workfn (flush-bcachefs-1) [ 286.086809][ T30] Call Trace: [pid 5416] read(4, 0x20000180, 4294966855) = 16776832 [pid 5416] exit_group(0) = ? [ 286.090539][ T30] [ 286.094686][ T30] __schedule+0x17e8/0x4a50 [ 286.099484][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.105764][ T30] ? __pfx___schedule+0x10/0x10 [ 286.110811][ T30] ? __blk_flush_plug+0x449/0x500 [ 286.116448][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.121586][ T30] ? bch2_print_allocator_stuck+0x143/0xc80 [ 286.128118][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.134154][ T30] ? kthread_data+0x52/0xd0 [pid 5416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=57 /* 0.57 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 286.138797][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.144927][ T30] ? wq_worker_sleeping+0x66/0x240 [ 286.150235][ T30] ? schedule+0x90/0x320 [ 286.155035][ T30] schedule+0x14b/0x320 [ 286.159267][ T30] __closure_sync+0x259/0x2f0 [ 286.164607][ T30] ? __closure_sync+0x149/0x2f0 [ 286.169533][ T30] ? __pfx___closure_sync+0x10/0x10 [ 286.175023][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.180698][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.186926][ T30] ? kfree+0x1c4/0x360 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 286.191053][ T30] __bch2_write+0x54a5/0x5c40 [ 286.195921][ T30] ? __pfx___bch2_write+0x10/0x10 [ 286.200984][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.206811][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.212576][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.218338][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.223452][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.229466][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.235169][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5417 attached , child_tidptr=0x55555c8e8650) = 5417 [pid 5417] set_robust_list(0x55555c8e8660, 24) = 0 [pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5417] setpgid(0, 0) = 0 [pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 286.240420][ T30] bch2_write+0x947/0x1670 [ 286.244968][ T30] ? __pfx_bch2_write+0x10/0x10 [ 286.249866][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.255601][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.260844][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.266630][ T30] ? folio_unlock+0x126/0x2f0 [ 286.271349][ T30] __bch2_writepage+0x1416/0x2b50 [ 286.276485][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.282177][ T30] ? rcu_is_watching+0x15/0xb0 [ 286.287042][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [pid 5417] write(3, "1000", 4) = 4 [pid 5417] close(3) = 0 executing program [pid 5417] write(1, "executing program\n", 18) = 18 [pid 5417] memfd_create("syzkaller", 0) = 3 [ 286.292753][ T30] ? __pfx___bch2_writepage+0x10/0x10 [ 286.298137][ T30] write_cache_pages+0xd2/0x230 [ 286.303137][ T30] ? __pfx___bch2_writepage+0x10/0x10 [ 286.308534][ T30] ? __pfx_write_cache_pages+0x10/0x10 [ 286.314050][ T30] ? bch2_inode_opts_get+0x543/0x900 [ 286.319357][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.325067][ T30] ? blk_start_plug+0x53/0x1b0 [ 286.329958][ T30] bch2_writepages+0x14f/0x380 [ 286.334801][ T30] ? __pfx_bch2_writepages+0x10/0x10 [pid 5417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc10ea00000 [ 286.340242][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.345969][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.351215][ T30] ? __pfx_bch2_writepages+0x10/0x10 [ 286.356579][ T30] do_writepages+0x35b/0x870 [ 286.361223][ T30] ? __pfx_do_writepages+0x10/0x10 [ 286.366449][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.372122][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.377232][ T30] ? writeback_sb_inodes+0x5ea/0x1380 [ 286.382767][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.387827][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 286.392970][ T30] __writeback_single_inode+0x165/0x10b0 [ 286.398655][ T30] writeback_sb_inodes+0x99c/0x1380 [ 286.404053][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 286.409759][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.415515][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.421248][ T30] ? __pfx_down_read_trylock+0x10/0x10 [ 286.426854][ T30] ? __pfx_move_expired_inodes+0x10/0x10 [ 286.432585][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.438267][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 286.443617][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.449461][ T30] __writeback_inodes_wb+0x11b/0x260 [ 286.454947][ T30] wb_writeback+0x495/0xd40 [ 286.459697][ T30] ? queue_io+0x3b1/0x5a0 [ 286.464263][ T30] ? __pfx_wb_writeback+0x10/0x10 [ 286.469360][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.475146][ T30] wb_workfn+0xc58/0x1090 [ 286.479564][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 286.484486][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.490611][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.497062][ T30] ? process_scheduled_works+0x945/0x1830 [ 286.502899][ T30] process_scheduled_works+0xa2e/0x1830 [ 286.508530][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.514653][ T30] ? assign_work+0x364/0x3d0 [ 286.519304][ T30] worker_thread+0x86d/0xd70 [ 286.524057][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.530017][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.535191][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.540369][ T30] kthread+0x2f2/0x390 [ 286.544602][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.549758][ T30] ? __pfx_kthread+0x10/0x10 [ 286.554459][ T30] ret_from_fork+0x4d/0x80 [ 286.558934][ T30] ? __pfx_kthread+0x10/0x10 [ 286.564007][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.568874][ T30] [ 286.572081][ T30] [ 286.572081][ T30] Showing all locks held in the system: [ 286.580594][ T30] 1 lock held by khungtaskd/30: [ 286.585869][ T30] #0: ffffffff8e333d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 286.596152][ T30] 3 locks held by kworker/u8:8/1100: [ 286.601483][ T30] #0: ffff888018ee3948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 286.617711][ T30] #1: ffffc9000420fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 286.631004][ T30] #2: ffff88802281e0e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: super_trylock_shared+0x22/0xf0 [ 286.642061][ T30] 2 locks held by getty/4844: [ 286.647109][ T30] #0: ffff88802b1e40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.657520][ T30] #1: ffffc90002f0e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 286.667991][ T30] 2 locks held by syz-executor368/5417: [ 286.673926][ T30] [ 286.676282][ T30] ============================================= [ 286.676282][ T30] [ 286.685075][ T30] NMI backtrace for cpu 1 [pid 5417] 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 [ 286.689444][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 [ 286.698939][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 286.709026][ T30] Call Trace: [ 286.712330][ T30] [ 286.715281][ T30] dump_stack_lvl+0x241/0x360 [ 286.719995][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 286.725224][ T30] ? __pfx__printk+0x10/0x10 [ 286.729824][ T30] ? vprintk_emit+0x631/0x770 [ 286.734524][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 286.739592][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [pid 5417] munmap(0x7fc10ea00000, 138412032) = 0 [pid 5417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5417] ioctl(4, LOOP_CLR_FD) = 0 [ 286.744569][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 286.750054][ T30] ? _printk+0xd5/0x120 [ 286.754221][ T30] ? __pfx__printk+0x10/0x10 [ 286.758828][ T30] ? __wake_up_klogd+0xcc/0x110 [ 286.763692][ T30] ? __pfx__printk+0x10/0x10 [ 286.768307][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.773967][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 286.779006][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.784998][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 286.791000][ T30] watchdog+0xfde/0x1020 [pid 5417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5417] close(4) = 0 [ 286.795272][ T30] ? watchdog+0x1ea/0x1020 [ 286.799694][ T30] ? __pfx_watchdog+0x10/0x10 [ 286.804378][ T30] kthread+0x2f2/0x390 [ 286.808457][ T30] ? __pfx_watchdog+0x10/0x10 [ 286.813329][ T30] ? __pfx_kthread+0x10/0x10 [ 286.817951][ T30] ret_from_fork+0x4d/0x80 [ 286.822406][ T30] ? __pfx_kthread+0x10/0x10 [ 286.827036][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.832000][ T30] [ 286.835234][ T30] Sending NMI from CPU 1 to CPUs 0: [ 286.840471][ C0] NMI backtrace for cpu 0 [ 286.840484][ C0] CPU: 0 PID: 5092 Comm: udevd Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 [ 286.840507][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 286.840520][ C0] RIP: 0010:kasan_check_range+0x1b8/0x290 [ 286.840556][ C0] Code: 4d 01 fb 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 3b 00 0f 85 a6 00 00 00 49 ff c3 48 ff cd 75 ee 5b <41> 5c 41 5e 41 5f 5d e9 a7 4c b4 09 40 84 ed 75 5f f7 c5 00 ff 00 [ 286.840574][ C0] RSP: 0018:ffffc900030b7c50 EFLAGS: 00000246 [ 286.840593][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff84e9483e [ 286.840608][ C0] RDX: 0000000000000001 RSI: 0000000000000fe0 RDI: ffff888025802220 [ 286.840623][ C0] RBP: 0000000000000000 R08: ffff8880258031ff R09: 1ffff11004b0063f [ 286.840638][ C0] R10: dffffc0000000000 R11: ffffed1004b00640 R12: 0000000000000004 [ 286.840654][ C0] R13: 00007ffd45fcc838 R14: dffffc0000000001 R15: 00000000000001f8 [ 286.840679][ C0] FS: 00007fa02b49bc80(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 286.840698][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.840713][ C0] CR2: 00007fc10f9ff000 CR3: 00000000201b2000 CR4: 0000000000350ef0 [ 286.840731][ C0] Call Trace: [ 286.840739][ C0] [ 286.840748][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 286.840780][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 286.840807][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 286.840835][ C0] ? nmi_handle+0x2a/0x5a0 [ 286.840883][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 286.840910][ C0] ? nmi_handle+0x151/0x5a0 [ 286.840945][ C0] ? nmi_handle+0x2a/0x5a0 [ 286.840982][ C0] ? kasan_check_range+0x1b8/0x290 [ 286.841011][ C0] ? default_do_nmi+0x63/0x160 [ 286.841040][ C0] ? exc_nmi+0x123/0x1f0 [ 286.841067][ C0] ? end_repeat_nmi+0xf/0x53 [ 286.841097][ C0] ? strncpy_from_user+0x9e/0x2f0 [ 286.841134][ C0] ? kasan_check_range+0x1b8/0x290 [ 286.841163][ C0] ? kasan_check_range+0x1b8/0x290 [ 286.841194][ C0] ? kasan_check_range+0x1b8/0x290 [ 286.841223][ C0] [ 286.841230][ C0] [ 286.841240][ C0] strncpy_from_user+0x9e/0x2f0 [ 286.841273][ C0] ? kmem_cache_alloc_noprof+0x185/0x2a0 [ 286.841312][ C0] getname_flags+0xfa/0x4f0 [ 286.841350][ C0] vfs_fstatat+0x11c/0x190 [ 286.841386][ C0] __x64_sys_newfstatat+0x125/0x1b0 [ 286.841424][ C0] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 286.841475][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.841501][ C0] ? do_syscall_64+0x102/0x240 [ 286.841526][ C0] ? do_syscall_64+0xb6/0x240 [ 286.841549][ C0] do_syscall_64+0xf5/0x240 [ 286.841571][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.841600][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.841637][ C0] RIP: 0033:0x7fa02b1165f4 [ 286.841654][ C0] Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8 [ 286.841676][ C0] RSP: 002b:00007ffd45fcc398 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 286.841697][ C0] RAX: ffffffffffffffda RBX: 00005580866562a0 RCX: 00007fa02b1165f4 [ 286.841714][ C0] RDX: 00007ffd45fcc3a8 RSI: 00007ffd45fcc838 RDI: 00000000ffffff9c [ 286.841729][ C0] RBP: 00007ffd45fcc438 R08: 0000000000000000 R09: 0000000000000000 [ 286.841743][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd45fcc838 [ 286.841757][ C0] R13: 00007ffd45fcc3a8 R14: 0000558086642910 R15: 000055804dab4a04 [ 286.841786][ C0] [ 286.841795][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.323 msecs [ 287.193486][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.200367][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 [ 287.209836][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 287.219902][ T30] Call Trace: [ 287.223194][ T30] [ 287.226133][ T30] dump_stack_lvl+0x241/0x360 [ 287.230840][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.236057][ T30] ? __pfx__printk+0x10/0x10 [ 287.240686][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.246695][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.252352][ T30] ? vscnprintf+0x5d/0x90 [ 287.256707][ T30] panic+0x349/0x860 [ 287.260718][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.266375][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.272565][ T30] ? __pfx_panic+0x10/0x10 [ 287.277015][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.282419][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.288071][ T30] ? __irq_work_queue_local+0x137/0x410 [pid 5417] close(3) = 0 [ 287.293652][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.299330][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.304727][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.310996][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.317179][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.322833][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.329014][ T30] watchdog+0x101d/0x1020 [ 287.333366][ T30] ? watchdog+0x1ea/0x1020 [ 287.337895][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.342597][ T30] kthread+0x2f2/0x390 [ 287.346692][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.351386][ T30] ? __pfx_kthread+0x10/0x10 [ 287.356003][ T30] ret_from_fork+0x4d/0x80 [ 287.360446][ T30] ? __pfx_kthread+0x10/0x10 [ 287.365067][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.369883][ T30] [ 287.373214][ T30] Kernel Offset: disabled [ 287.377534][ T30] Rebooting in 86400 seconds..