./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2226039898 <...> Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. execve("./syz-executor2226039898", ["./syz-executor2226039898"], 0x7fff3ac8f510 /* 10 vars */) = 0 brk(NULL) = 0x555555639000 brk(0x555555639c40) = 0x555555639c40 arch_prctl(ARCH_SET_FS, 0x555555639300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2226039898", 4096) = 28 brk(0x55555565ac40) = 0x55555565ac40 brk(0x55555565b000) = 0x55555565b000 mprotect(0x7fadbc61d000, 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, child_tidptr=0x5555556395d0) = 409 ./strace-static-x86_64: Process 409 attached [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 [pid 409] memfd_create("syzkaller", 0) = 3 [pid 409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 409] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 409] munmap(0x7fadb4162000, 65536) = 0 [pid 409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 409] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 409] close(3) = 0 [pid 409] mkdir("./file2", 0777) = 0 [ 20.493608][ T30] audit: type=1400 audit(1671659674.919:62): avc: denied { execmem } for pid=408 comm="syz-executor222" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.510829][ T409] loop0: detected capacity change from 0 to 128 [ 20.516534][ T30] audit: type=1400 audit(1671659674.929:63): avc: denied { read write } for pid=408 comm="syz-executor222" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 409] mount("/dev/loop0", "./file2", "msdos", MS_DIRSYNC|MS_REC|MS_LAZYTIME, "allow_utime=0000000000000000000,nodots,dos1xfloppy,flush,nodots,errors=continue,dots,") = 0 [pid 409] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 409] chdir("./file2") = 0 [pid 409] ioctl(4, LOOP_CLR_FD) = 0 [pid 409] close(4) = 0 [pid 409] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4 [pid 409] rename("./file2", "./bus") = 0 [pid 409] openat(-1, "/proc/self/exe", O_RDONLY) = 5 [pid 409] sendfile(4, 5, NULL, 140737974943952) = 32768 [pid 409] exit_group(0) = ? [ 20.543254][ T30] audit: type=1400 audit(1671659674.929:64): avc: denied { open } for pid=408 comm="syz-executor222" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.567320][ T30] audit: type=1400 audit(1671659674.929:65): avc: denied { ioctl } for pid=408 comm="syz-executor222" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.592863][ T30] audit: type=1400 audit(1671659674.949:66): avc: denied { mounton } for pid=409 comm="syz-executor222" path="/root/file2" dev="sda1" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 20.615457][ T30] audit: type=1400 audit(1671659674.969:67): avc: denied { mount } for pid=409 comm="syz-executor222" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [pid 409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 411 ./strace-static-x86_64: Process 411 attached [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] memfd_create("syzkaller", 0) = 3 [pid 411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 411] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 411] munmap(0x7fadb4162000, 65536) = 0 [pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 411] ioctl(4, LOOP_CLR_FD) = 0 [pid 411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 411] close(4) = 0 [pid 411] close(3) = 0 [pid 411] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 411] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 411] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 411] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 411] exit_group(0) = ? [pid 411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 412 attached [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 412] setpgid(0, 0) = 0 [pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 412] write(3, "1000", 4) = 4 [pid 412] close(3) = 0 [pid 412] memfd_create("syzkaller", 0) = 3 [pid 412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 412 [pid 412] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 412] munmap(0x7fadb4162000, 65536) = 0 [pid 412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 412] ioctl(4, LOOP_CLR_FD) = 0 [pid 412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 412] close(4) = 0 [pid 412] close(3) = 0 [pid 412] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 412] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 412] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 412] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 412] exit_group(0) = ? [pid 412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 413 ./strace-static-x86_64: Process 413 attached [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] memfd_create("syzkaller", 0) = 3 [pid 413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 413] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 413] munmap(0x7fadb4162000, 65536) = 0 [pid 413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 413] ioctl(4, LOOP_CLR_FD) = 0 [pid 413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 413] close(4) = 0 [pid 413] close(3) = 0 [pid 413] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 413] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 413] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 413] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 413] exit_group(0) = ? [pid 413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 414 attached , child_tidptr=0x5555556395d0) = 414 [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 414] write(3, "1000", 4) = 4 [pid 414] close(3) = 0 [pid 414] memfd_create("syzkaller", 0) = 3 [pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 414] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 414] munmap(0x7fadb4162000, 65536) = 0 [pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 414] ioctl(4, LOOP_CLR_FD) = 0 [pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 414] close(4) = 0 [pid 414] close(3) = 0 [pid 414] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 414] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 414] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 414] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 414] exit_group(0) = ? [pid 414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 415 ./strace-static-x86_64: Process 415 attached [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 [pid 415] memfd_create("syzkaller", 0) = 3 [pid 415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 415] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 415] munmap(0x7fadb4162000, 65536) = 0 [pid 415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 415] ioctl(4, LOOP_CLR_FD) = 0 [pid 415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 415] close(4) = 0 [pid 415] close(3) = 0 [pid 415] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 415] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 415] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 415] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 415] exit_group(0) = ? [pid 415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 416 ./strace-static-x86_64: Process 416 attached [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 [pid 416] memfd_create("syzkaller", 0) = 3 [pid 416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 416] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 416] munmap(0x7fadb4162000, 65536) = 0 [pid 416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 416] ioctl(4, LOOP_CLR_FD) = 0 [pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 416] close(4) = 0 [pid 416] close(3) = 0 [pid 416] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 416] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 416] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 416] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 416] exit_group(0) = ? [pid 416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 417 ./strace-static-x86_64: Process 417 attached [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 417] setpgid(0, 0) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 417] write(3, "1000", 4) = 4 [pid 417] close(3) = 0 [pid 417] memfd_create("syzkaller", 0) = 3 [pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 417] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 417] munmap(0x7fadb4162000, 65536) = 0 [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 417] ioctl(4, LOOP_CLR_FD) = 0 [pid 417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 417] close(4) = 0 [pid 417] close(3) = 0 [pid 417] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 417] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 417] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 417] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 417] exit_group(0) = ? [pid 417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 418 ./strace-static-x86_64: Process 418 attached [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] memfd_create("syzkaller", 0) = 3 [pid 418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 418] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 418] munmap(0x7fadb4162000, 65536) = 0 [pid 418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 418] ioctl(4, LOOP_CLR_FD) = 0 [pid 418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 418] close(4) = 0 [pid 418] close(3) = 0 [pid 418] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 418] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 418] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 418] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 418] exit_group(0) = ? [pid 418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 419 ./strace-static-x86_64: Process 419 attached [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] memfd_create("syzkaller", 0) = 3 [pid 419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 419] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 419] munmap(0x7fadb4162000, 65536) = 0 [pid 419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 419] ioctl(4, LOOP_CLR_FD) = 0 [pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 419] close(4) = 0 [pid 419] close(3) = 0 [pid 419] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 419] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 419] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 419] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 419] exit_group(0) = ? [pid 419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", 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=0x5555556395d0) = 420 ./strace-static-x86_64: Process 420 attached [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 420] close(3) = 0 [pid 420] memfd_create("syzkaller", 0) = 3 [pid 420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 420] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 420] munmap(0x7fadb4162000, 65536) = 0 [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 420] ioctl(4, LOOP_CLR_FD) = 0 [pid 420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 420] close(4) = 0 [pid 420] close(3) = 0 [pid 420] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 420] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 420] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 420] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 420] exit_group(0) = ? [pid 420] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 421 ./strace-static-x86_64: Process 421 attached [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 421] setpgid(0, 0) = 0 [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 421] write(3, "1000", 4) = 4 [pid 421] close(3) = 0 [pid 421] memfd_create("syzkaller", 0) = 3 [pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 421] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 421] munmap(0x7fadb4162000, 65536) = 0 [pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 421] ioctl(4, LOOP_CLR_FD) = 0 [pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 421] close(4) = 0 [pid 421] close(3) = 0 [pid 421] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 421] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 421] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 421] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 421] exit_group(0) = ? [pid 421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 422 ./strace-static-x86_64: Process 422 attached [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] memfd_create("syzkaller", 0) = 3 [pid 422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 422] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 422] munmap(0x7fadb4162000, 65536) = 0 [pid 422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 422] ioctl(4, LOOP_CLR_FD) = 0 [pid 422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 422] close(4) = 0 [pid 422] close(3) = 0 [pid 422] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 422] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 422] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 422] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 422] exit_group(0) = ? [pid 422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 423 attached , child_tidptr=0x5555556395d0) = 423 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] memfd_create("syzkaller", 0) = 3 [pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 423] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 423] munmap(0x7fadb4162000, 65536) = 0 [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 423] ioctl(4, LOOP_CLR_FD) = 0 [pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 423] close(4) = 0 [pid 423] close(3) = 0 [pid 423] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 423] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 423] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 423] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 424 ./strace-static-x86_64: Process 424 attached [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 [pid 424] memfd_create("syzkaller", 0) = 3 [pid 424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 424] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 424] munmap(0x7fadb4162000, 65536) = 0 [pid 424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 424] ioctl(4, LOOP_CLR_FD) = 0 [pid 424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 424] close(4) = 0 [pid 424] close(3) = 0 [pid 424] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 424] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 424] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 424] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 424] exit_group(0) = ? [pid 424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 426 ./strace-static-x86_64: Process 426 attached [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3) = 0 [pid 426] memfd_create("syzkaller", 0) = 3 [pid 426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 426] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 426] munmap(0x7fadb4162000, 65536) = 0 [pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 426] ioctl(4, LOOP_CLR_FD) = 0 [pid 426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 426] close(4) = 0 [pid 426] close(3) = 0 [pid 426] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 426] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 426] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 426] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 426] exit_group(0) = ? [pid 426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 427 ./strace-static-x86_64: Process 427 attached [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] memfd_create("syzkaller", 0) = 3 [pid 427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 427] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 427] munmap(0x7fadb4162000, 65536) = 0 [pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 427] ioctl(4, LOOP_CLR_FD) = 0 [pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 427] close(4) = 0 [pid 427] close(3) = 0 [pid 427] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 427] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 427] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 427] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 427] exit_group(0) = ? [pid 427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 428 ./strace-static-x86_64: Process 428 attached [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] memfd_create("syzkaller", 0) = 3 [pid 428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 428] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 428] munmap(0x7fadb4162000, 65536) = 0 [pid 428] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 428] ioctl(4, LOOP_CLR_FD) = 0 [pid 428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 428] close(4) = 0 [pid 428] close(3) = 0 [pid 428] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 428] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 428] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 428] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 428] exit_group(0) = ? [pid 428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 429 ./strace-static-x86_64: Process 429 attached [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 429] setpgid(0, 0) = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 [pid 429] memfd_create("syzkaller", 0) = 3 [pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 429] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 429] munmap(0x7fadb4162000, 65536) = 0 [pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 429] ioctl(4, LOOP_CLR_FD) = 0 [pid 429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 429] close(4) = 0 [pid 429] close(3) = 0 [pid 429] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 429] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 429] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 429] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 429] exit_group(0) = ? [pid 429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 430 attached , child_tidptr=0x5555556395d0) = 430 [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 [pid 430] memfd_create("syzkaller", 0) = 3 [pid 430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 430] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 430] munmap(0x7fadb4162000, 65536) = 0 [pid 430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 430] ioctl(4, LOOP_CLR_FD) = 0 [pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 430] close(4) = 0 [pid 430] close(3) = 0 [pid 430] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 430] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 430] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 430] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 430] exit_group(0) = ? [pid 430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 431 ./strace-static-x86_64: Process 431 attached [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] memfd_create("syzkaller", 0) = 3 [pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 431] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 431] munmap(0x7fadb4162000, 65536) = 0 [pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 431] ioctl(4, LOOP_CLR_FD) = 0 [pid 431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 431] close(4) = 0 [pid 431] close(3) = 0 [pid 431] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 431] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 431] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 431] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 431] exit_group(0) = ? [pid 431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 432 ./strace-static-x86_64: Process 432 attached [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 432] setpgid(0, 0) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] write(3, "1000", 4) = 4 [pid 432] close(3) = 0 [pid 432] memfd_create("syzkaller", 0) = 3 [pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 432] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 432] munmap(0x7fadb4162000, 65536) = 0 [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 432] ioctl(4, LOOP_CLR_FD) = 0 [pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 432] close(4) = 0 [pid 432] close(3) = 0 [pid 432] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 432] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 432] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 432] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 432] exit_group(0) = ? [pid 432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 433 attached [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 433 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] memfd_create("syzkaller", 0) = 3 [pid 433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 433] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 433] munmap(0x7fadb4162000, 65536) = 0 [pid 433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 433] ioctl(4, LOOP_CLR_FD) = 0 [pid 433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 433] close(4) = 0 [pid 433] close(3) = 0 [pid 433] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 433] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 433] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 433] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 434 ./strace-static-x86_64: Process 434 attached [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] memfd_create("syzkaller", 0) = 3 [pid 434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 434] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 434] munmap(0x7fadb4162000, 65536) = 0 [pid 434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 434] ioctl(4, LOOP_CLR_FD) = 0 [pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 434] close(4) = 0 [pid 434] close(3) = 0 [pid 434] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 434] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 434] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 434] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 434] exit_group(0) = ? [pid 434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 435 attached , child_tidptr=0x5555556395d0) = 435 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4) = 4 [pid 435] close(3) = 0 [pid 435] memfd_create("syzkaller", 0) = 3 [pid 435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 435] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 435] munmap(0x7fadb4162000, 65536) = 0 [pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 435] ioctl(4, LOOP_CLR_FD) = 0 [pid 435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 435] close(4) = 0 [pid 435] close(3) = 0 [pid 435] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 435] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 435] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 435] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 435] exit_group(0) = ? [pid 435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 436 ./strace-static-x86_64: Process 436 attached [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] memfd_create("syzkaller", 0) = 3 [pid 436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 436] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 436] munmap(0x7fadb4162000, 65536) = 0 [pid 436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 436] ioctl(4, LOOP_CLR_FD) = 0 [pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 436] close(4) = 0 [pid 436] close(3) = 0 [pid 436] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 436] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 436] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 436] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=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 437 attached , child_tidptr=0x5555556395d0) = 437 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] memfd_create("syzkaller", 0) = 3 [pid 437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 437] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 437] munmap(0x7fadb4162000, 65536) = 0 [pid 437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 437] ioctl(4, LOOP_CLR_FD) = 0 [pid 437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 437] close(4) = 0 [pid 437] close(3) = 0 [pid 437] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 437] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 437] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 437] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 437] exit_group(0) = ? [pid 437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 438 ./strace-static-x86_64: Process 438 attached [pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 438] setpgid(0, 0) = 0 [pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 438] write(3, "1000", 4) = 4 [pid 438] close(3) = 0 [pid 438] memfd_create("syzkaller", 0) = 3 [pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 438] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 438] munmap(0x7fadb4162000, 65536) = 0 [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 438] ioctl(4, LOOP_CLR_FD) = 0 [pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 438] close(4) = 0 [pid 438] close(3) = 0 [pid 438] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 438] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 438] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 438] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 438] exit_group(0) = ? [pid 438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 439 ./strace-static-x86_64: Process 439 attached [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] memfd_create("syzkaller", 0) = 3 [pid 439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 439] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 439] munmap(0x7fadb4162000, 65536) = 0 [pid 439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 439] ioctl(4, LOOP_CLR_FD) = 0 [pid 439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 439] close(4) = 0 [pid 439] close(3) = 0 [pid 439] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 439] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 439] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 439] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 439] exit_group(0) = ? [pid 439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 440 ./strace-static-x86_64: Process 440 attached [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] memfd_create("syzkaller", 0) = 3 [pid 440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 440] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 440] munmap(0x7fadb4162000, 65536) = 0 [pid 440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 440] ioctl(4, LOOP_CLR_FD) = 0 [pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 440] close(4) = 0 [pid 440] close(3) = 0 [pid 440] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 440] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 440] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 440] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 441 ./strace-static-x86_64: Process 441 attached [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4) = 4 [pid 441] close(3) = 0 [pid 441] memfd_create("syzkaller", 0) = 3 [pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 441] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 441] munmap(0x7fadb4162000, 65536) = 0 [pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 441] ioctl(4, LOOP_CLR_FD) = 0 [pid 441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 441] close(4) = 0 [pid 441] close(3) = 0 [pid 441] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 441] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 441] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 441] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 441] exit_group(0) = ? [pid 441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 442 ./strace-static-x86_64: Process 442 attached [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] memfd_create("syzkaller", 0) = 3 [pid 442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 442] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 442] munmap(0x7fadb4162000, 65536) = 0 [pid 442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 442] ioctl(4, LOOP_CLR_FD) = 0 [pid 442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 442] close(4) = 0 [pid 442] close(3) = 0 [pid 442] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 442] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 442] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 442] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 442] exit_group(0) = ? [pid 442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 443 ./strace-static-x86_64: Process 443 attached [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] memfd_create("syzkaller", 0) = 3 [pid 443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 443] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 443] munmap(0x7fadb4162000, 65536) = 0 [pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 443] ioctl(4, LOOP_CLR_FD) = 0 [pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 443] close(4) = 0 [pid 443] close(3) = 0 [pid 443] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 443] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 443] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 443] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 443] exit_group(0) = ? [pid 443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 444 ./strace-static-x86_64: Process 444 attached [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] memfd_create("syzkaller", 0) = 3 [pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 444] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 444] munmap(0x7fadb4162000, 65536) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 444] ioctl(4, LOOP_CLR_FD) = 0 [pid 444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 444] close(4) = 0 [pid 444] close(3) = 0 [pid 444] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 444] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 444] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 444] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 444] exit_group(0) = ? [pid 444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 445 ./strace-static-x86_64: Process 445 attached [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3) = 0 [pid 445] memfd_create("syzkaller", 0) = 3 [pid 445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 445] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 445] munmap(0x7fadb4162000, 65536) = 0 [pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 445] ioctl(4, LOOP_CLR_FD) = 0 [pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 445] close(4) = 0 [pid 445] close(3) = 0 [pid 445] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 445] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 445] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 445] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 445] exit_group(0) = ? [pid 445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 447 attached , child_tidptr=0x5555556395d0) = 447 [pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 447] setpgid(0, 0) = 0 [pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 447] write(3, "1000", 4) = 4 [pid 447] close(3) = 0 [pid 447] memfd_create("syzkaller", 0) = 3 [pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 447] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 447] munmap(0x7fadb4162000, 65536) = 0 [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 447] ioctl(4, LOOP_CLR_FD) = 0 [pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 447] close(4) = 0 [pid 447] close(3) = 0 [pid 447] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 447] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 447] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 447] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 447] exit_group(0) = ? [pid 447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 448 ./strace-static-x86_64: Process 448 attached [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] memfd_create("syzkaller", 0) = 3 [pid 448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 448] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 448] munmap(0x7fadb4162000, 65536) = 0 [pid 448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 448] ioctl(4, LOOP_CLR_FD) = 0 [pid 448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 448] close(4) = 0 [pid 448] close(3) = 0 [pid 448] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 448] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 448] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 448] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 448] exit_group(0) = ? [pid 448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 449 ./strace-static-x86_64: Process 449 attached [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] memfd_create("syzkaller", 0) = 3 [pid 449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 449] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 449] munmap(0x7fadb4162000, 65536) = 0 [pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 449] ioctl(4, LOOP_CLR_FD) = 0 [pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 449] close(4) = 0 [pid 449] close(3) = 0 [pid 449] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 449] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 449] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 449] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 449] exit_group(0) = ? [pid 449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 450 ./strace-static-x86_64: Process 450 attached [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4) = 4 [pid 450] close(3) = 0 [pid 450] memfd_create("syzkaller", 0) = 3 [pid 450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 450] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 450] munmap(0x7fadb4162000, 65536) = 0 [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 450] ioctl(4, LOOP_CLR_FD) = 0 [pid 450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 450] close(4) = 0 [pid 450] close(3) = 0 [pid 450] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 450] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 450] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 450] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 450] exit_group(0) = ? [pid 450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 451 ./strace-static-x86_64: Process 451 attached [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 451] setpgid(0, 0) = 0 [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 451] write(3, "1000", 4) = 4 [pid 451] close(3) = 0 [pid 451] memfd_create("syzkaller", 0) = 3 [pid 451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 451] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 451] munmap(0x7fadb4162000, 65536) = 0 [pid 451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 451] ioctl(4, LOOP_CLR_FD) = 0 [pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 451] close(4) = 0 [pid 451] close(3) = 0 [pid 451] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 451] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 451] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 451] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 451] exit_group(0) = ? [pid 451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 452 ./strace-static-x86_64: Process 452 attached [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] memfd_create("syzkaller", 0) = 3 [pid 452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 452] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 452] munmap(0x7fadb4162000, 65536) = 0 [pid 452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 452] ioctl(4, LOOP_CLR_FD) = 0 [pid 452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 452] close(4) = 0 [pid 452] close(3) = 0 [pid 452] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 452] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 452] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 452] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 452] exit_group(0) = ? [pid 452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 453 ./strace-static-x86_64: Process 453 attached [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] setpgid(0, 0) = 0 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 453] write(3, "1000", 4) = 4 [pid 453] close(3) = 0 [pid 453] memfd_create("syzkaller", 0) = 3 [pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 453] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 453] munmap(0x7fadb4162000, 65536) = 0 [pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 453] ioctl(4, LOOP_CLR_FD) = 0 [pid 453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 453] close(4) = 0 [pid 453] close(3) = 0 [pid 453] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 453] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 453] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 453] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 453] exit_group(0) = ? [pid 453] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 454 ./strace-static-x86_64: Process 454 attached [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 454] setpgid(0, 0) = 0 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 454] write(3, "1000", 4) = 4 [pid 454] close(3) = 0 [pid 454] memfd_create("syzkaller", 0) = 3 [pid 454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 454] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 454] munmap(0x7fadb4162000, 65536) = 0 [pid 454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 454] ioctl(4, LOOP_CLR_FD) = 0 [pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 454] close(4) = 0 [pid 454] close(3) = 0 [pid 454] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 454] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 454] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 454] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 454] exit_group(0) = ? [pid 454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=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 455 attached , child_tidptr=0x5555556395d0) = 455 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3) = 0 [pid 455] memfd_create("syzkaller", 0) = 3 [pid 455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 455] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 455] munmap(0x7fadb4162000, 65536) = 0 [pid 455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 455] ioctl(4, LOOP_CLR_FD) = 0 [pid 455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 455] close(4) = 0 [pid 455] close(3) = 0 [pid 455] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 455] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 455] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 455] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 455] exit_group(0) = ? [pid 455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 456 ./strace-static-x86_64: Process 456 attached [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 456] setpgid(0, 0) = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 456] write(3, "1000", 4) = 4 [pid 456] close(3) = 0 [pid 456] memfd_create("syzkaller", 0) = 3 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 456] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 456] munmap(0x7fadb4162000, 65536) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 456] ioctl(4, LOOP_CLR_FD) = 0 [pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 456] close(4) = 0 [pid 456] close(3) = 0 [pid 456] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 456] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 456] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 456] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 456] exit_group(0) = ? [pid 456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 457 ./strace-static-x86_64: Process 457 attached [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4) = 4 [pid 457] close(3) = 0 [pid 457] memfd_create("syzkaller", 0) = 3 [pid 457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 457] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 457] munmap(0x7fadb4162000, 65536) = 0 [pid 457] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 457] ioctl(4, LOOP_CLR_FD) = 0 [pid 457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 457] close(4) = 0 [pid 457] close(3) = 0 [pid 457] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 457] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 457] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 457] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 457] exit_group(0) = ? [pid 457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 458 ./strace-static-x86_64: Process 458 attached [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 [pid 458] memfd_create("syzkaller", 0) = 3 [pid 458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 458] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 458] munmap(0x7fadb4162000, 65536) = 0 [pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 458] ioctl(4, LOOP_CLR_FD) = 0 [pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 458] close(4) = 0 [pid 458] close(3) = 0 [pid 458] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 458] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 458] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 458] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 458] exit_group(0) = ? [pid 458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 459 attached , child_tidptr=0x5555556395d0) = 459 [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 459] setpgid(0, 0) = 0 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 459] write(3, "1000", 4) = 4 [pid 459] close(3) = 0 [pid 459] memfd_create("syzkaller", 0) = 3 [pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 459] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 459] munmap(0x7fadb4162000, 65536) = 0 [pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 459] ioctl(4, LOOP_CLR_FD) = 0 [pid 459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 459] close(4) = 0 [pid 459] close(3) = 0 [pid 459] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 459] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 459] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 459] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 459] exit_group(0) = ? [pid 459] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 460 ./strace-static-x86_64: Process 460 attached [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 460] setpgid(0, 0) = 0 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] memfd_create("syzkaller", 0) = 3 [pid 460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 460] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 460] munmap(0x7fadb4162000, 65536) = 0 [pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 460] ioctl(4, LOOP_CLR_FD) = 0 [pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 460] close(4) = 0 [pid 460] close(3) = 0 [pid 460] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 460] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 460] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 460] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 460] exit_group(0) = ? [pid 460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 461 ./strace-static-x86_64: Process 461 attached [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] memfd_create("syzkaller", 0) = 3 [pid 461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 461] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 461] munmap(0x7fadb4162000, 65536) = 0 [pid 461] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 461] ioctl(4, LOOP_CLR_FD) = 0 [pid 461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 461] close(4) = 0 [pid 461] close(3) = 0 [pid 461] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 461] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 461] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 461] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 461] exit_group(0) = ? [pid 461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 462 ./strace-static-x86_64: Process 462 attached [pid 462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 462] setpgid(0, 0) = 0 [pid 462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 462] write(3, "1000", 4) = 4 [pid 462] close(3) = 0 [pid 462] memfd_create("syzkaller", 0) = 3 [pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 462] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 462] munmap(0x7fadb4162000, 65536) = 0 [pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 462] ioctl(4, LOOP_CLR_FD) = 0 [pid 462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 462] close(4) = 0 [pid 462] close(3) = 0 [pid 462] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 462] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 462] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 462] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 462] exit_group(0) = ? [pid 462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 463 ./strace-static-x86_64: Process 463 attached [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 463] setpgid(0, 0) = 0 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 463] write(3, "1000", 4) = 4 [pid 463] close(3) = 0 [pid 463] memfd_create("syzkaller", 0) = 3 [pid 463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 463] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 463] munmap(0x7fadb4162000, 65536) = 0 [pid 463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 463] ioctl(4, LOOP_CLR_FD) = 0 [pid 463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 463] close(4) = 0 [pid 463] close(3) = 0 [pid 463] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 463] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 463] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 463] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 463] exit_group(0) = ? [pid 463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- 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=0x5555556395d0) = 464 ./strace-static-x86_64: Process 464 attached [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] memfd_create("syzkaller", 0) = 3 [pid 464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 464] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 464] munmap(0x7fadb4162000, 65536) = 0 [pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 464] ioctl(4, LOOP_CLR_FD) = 0 [pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 464] close(4) = 0 [pid 464] close(3) = 0 [pid 464] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 464] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 464] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 464] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 464] exit_group(0) = ? [pid 464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 465 ./strace-static-x86_64: Process 465 attached [pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 465] setpgid(0, 0) = 0 [pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 465] write(3, "1000", 4) = 4 [pid 465] close(3) = 0 [pid 465] memfd_create("syzkaller", 0) = 3 [pid 465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 465] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 465] munmap(0x7fadb4162000, 65536) = 0 [pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 465] ioctl(4, LOOP_CLR_FD) = 0 [pid 465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 465] close(4) = 0 [pid 465] close(3) = 0 [pid 465] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 465] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 465] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 465] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 465] exit_group(0) = ? [pid 465] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 466 ./strace-static-x86_64: Process 466 attached [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 466] write(3, "1000", 4) = 4 [pid 466] close(3) = 0 [pid 466] memfd_create("syzkaller", 0) = 3 [pid 466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 466] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 466] munmap(0x7fadb4162000, 65536) = 0 [pid 466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 466] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 466] ioctl(4, LOOP_CLR_FD) = 0 [pid 466] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 466] close(4) = 0 [pid 466] close(3) = 0 [pid 466] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 466] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 466] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 466] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 466] exit_group(0) = ? [pid 466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 468 ./strace-static-x86_64: Process 468 attached [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] memfd_create("syzkaller", 0) = 3 [pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 468] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 468] munmap(0x7fadb4162000, 65536) = 0 [pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 468] ioctl(4, LOOP_CLR_FD) = 0 [pid 468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 468] close(4) = 0 [pid 468] close(3) = 0 [pid 468] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 468] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 468] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 468] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 468] exit_group(0) = ? [pid 468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 469 ./strace-static-x86_64: Process 469 attached [pid 469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 469] setpgid(0, 0) = 0 [pid 469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 469] write(3, "1000", 4) = 4 [pid 469] close(3) = 0 [pid 469] memfd_create("syzkaller", 0) = 3 [pid 469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 469] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 469] munmap(0x7fadb4162000, 65536) = 0 [pid 469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 469] ioctl(4, LOOP_CLR_FD) = 0 [pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 469] close(4) = 0 [pid 469] close(3) = 0 [pid 469] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 469] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 469] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 469] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 469] exit_group(0) = ? [pid 469] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 470 ./strace-static-x86_64: Process 470 attached [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 [pid 470] memfd_create("syzkaller", 0) = 3 [pid 470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 470] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 470] munmap(0x7fadb4162000, 65536) = 0 [pid 470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 470] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 470] ioctl(4, LOOP_CLR_FD) = 0 [pid 470] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 470] close(4) = 0 [pid 470] close(3) = 0 [pid 470] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 470] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 470] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 470] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 470] exit_group(0) = ? [pid 470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 471 ./strace-static-x86_64: Process 471 attached [pid 471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 471] setpgid(0, 0) = 0 [pid 471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 471] write(3, "1000", 4) = 4 [pid 471] close(3) = 0 [pid 471] memfd_create("syzkaller", 0) = 3 [pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 471] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 471] munmap(0x7fadb4162000, 65536) = 0 [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 471] ioctl(4, LOOP_CLR_FD) = 0 [pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 471] close(4) = 0 [pid 471] close(3) = 0 [pid 471] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 471] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 471] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 471] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 471] exit_group(0) = ? [pid 471] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 472 ./strace-static-x86_64: Process 472 attached [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 472] setpgid(0, 0) = 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 472] write(3, "1000", 4) = 4 [pid 472] close(3) = 0 [pid 472] memfd_create("syzkaller", 0) = 3 [pid 472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 472] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 472] munmap(0x7fadb4162000, 65536) = 0 [pid 472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 472] ioctl(4, LOOP_CLR_FD) = 0 [pid 472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 472] close(4) = 0 [pid 472] close(3) = 0 [pid 472] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 472] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 472] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 472] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 472] exit_group(0) = ? [pid 472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 473 ./strace-static-x86_64: Process 473 attached [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] memfd_create("syzkaller", 0) = 3 [pid 473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 473] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 473] munmap(0x7fadb4162000, 65536) = 0 [pid 473] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 473] ioctl(4, LOOP_CLR_FD) = 0 [pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 473] close(4) = 0 [pid 473] close(3) = 0 [pid 473] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 473] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 473] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 473] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 473] exit_group(0) = ? [pid 473] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 474 ./strace-static-x86_64: Process 474 attached [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 474] setpgid(0, 0) = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 474] write(3, "1000", 4) = 4 [pid 474] close(3) = 0 [pid 474] memfd_create("syzkaller", 0) = 3 [pid 474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 474] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 474] munmap(0x7fadb4162000, 65536) = 0 [pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 474] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 474] ioctl(4, LOOP_CLR_FD) = 0 [pid 474] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 474] close(4) = 0 [pid 474] close(3) = 0 [pid 474] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 474] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 474] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 474] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 474] exit_group(0) = ? [pid 474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 475 ./strace-static-x86_64: Process 475 attached [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 475] setpgid(0, 0) = 0 [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 475] write(3, "1000", 4) = 4 [pid 475] close(3) = 0 [pid 475] memfd_create("syzkaller", 0) = 3 [pid 475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 475] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 475] munmap(0x7fadb4162000, 65536) = 0 [pid 475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 475] ioctl(4, LOOP_CLR_FD) = 0 [pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 475] close(4) = 0 [pid 475] close(3) = 0 [pid 475] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 475] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 475] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 475] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 475] exit_group(0) = ? [pid 475] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 476 ./strace-static-x86_64: Process 476 attached [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] memfd_create("syzkaller", 0) = 3 [pid 476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 476] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 476] munmap(0x7fadb4162000, 65536) = 0 [pid 476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 476] ioctl(4, LOOP_CLR_FD) = 0 [pid 476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 476] close(4) = 0 [pid 476] close(3) = 0 [pid 476] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 476] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 476] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 476] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 476] exit_group(0) = ? [pid 476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 477 ./strace-static-x86_64: Process 477 attached [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 477] setpgid(0, 0) = 0 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 477] write(3, "1000", 4) = 4 [pid 477] close(3) = 0 [pid 477] memfd_create("syzkaller", 0) = 3 [pid 477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 477] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 477] munmap(0x7fadb4162000, 65536) = 0 [pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 477] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 477] ioctl(4, LOOP_CLR_FD) = 0 [pid 477] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 477] close(4) = 0 [pid 477] close(3) = 0 [pid 477] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 477] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 477] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 477] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 477] exit_group(0) = ? [pid 477] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 478 attached [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 478 [pid 478] <... prctl resumed>) = 0 [pid 478] setpgid(0, 0) = 0 [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 478] write(3, "1000", 4) = 4 [pid 478] close(3) = 0 [pid 478] memfd_create("syzkaller", 0) = 3 [pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 478] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 478] munmap(0x7fadb4162000, 65536) = 0 [pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 478] ioctl(4, LOOP_CLR_FD) = 0 [pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 478] close(4) = 0 [pid 478] close(3) = 0 [pid 478] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 478] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 478] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 478] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 478] exit_group(0) = ? [pid 478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 479 ./strace-static-x86_64: Process 479 attached [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] memfd_create("syzkaller", 0) = 3 [pid 479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 479] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 479] munmap(0x7fadb4162000, 65536) = 0 [pid 479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 479] ioctl(4, LOOP_CLR_FD) = 0 [pid 479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 479] close(4) = 0 [pid 479] close(3) = 0 [pid 479] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 479] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 479] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 479] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 479] exit_group(0) = ? [pid 479] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- openat(AT_FDCWD, "/dev/loop0", 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=0x5555556395d0) = 480 ./strace-static-x86_64: Process 480 attached [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 480] setpgid(0, 0) = 0 [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 480] write(3, "1000", 4) = 4 [pid 480] close(3) = 0 [pid 480] memfd_create("syzkaller", 0) = 3 [pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 480] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 480] munmap(0x7fadb4162000, 65536) = 0 [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 480] ioctl(4, LOOP_CLR_FD) = 0 [pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 480] close(4) = 0 [pid 480] close(3) = 0 [pid 480] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 480] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 480] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 480] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 480] exit_group(0) = ? [pid 480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 481 ./strace-static-x86_64: Process 481 attached [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 481] setpgid(0, 0) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4) = 4 [pid 481] close(3) = 0 [pid 481] memfd_create("syzkaller", 0) = 3 [pid 481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 481] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 481] munmap(0x7fadb4162000, 65536) = 0 [pid 481] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 481] ioctl(4, LOOP_CLR_FD) = 0 [pid 481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 481] close(4) = 0 [pid 481] close(3) = 0 [pid 481] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 481] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 481] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 481] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 481] exit_group(0) = ? [pid 481] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 482 ./strace-static-x86_64: Process 482 attached [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 [pid 482] memfd_create("syzkaller", 0) = 3 [pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 482] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 482] munmap(0x7fadb4162000, 65536) = 0 [pid 482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 482] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 482] ioctl(4, LOOP_CLR_FD) = 0 [pid 482] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 482] close(4) = 0 [pid 482] close(3) = 0 [pid 482] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 482] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 482] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 482] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 482] exit_group(0) = ? [pid 482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 483 ./strace-static-x86_64: Process 483 attached [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 483] setpgid(0, 0) = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 483] write(3, "1000", 4) = 4 [pid 483] close(3) = 0 [pid 483] memfd_create("syzkaller", 0) = 3 [pid 483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 483] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 483] munmap(0x7fadb4162000, 65536) = 0 [pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 483] ioctl(4, LOOP_CLR_FD) = 0 [pid 483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 483] close(4) = 0 [pid 483] close(3) = 0 [pid 483] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 483] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 483] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 483] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 483] exit_group(0) = ? [pid 483] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 484 ./strace-static-x86_64: Process 484 attached [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 484] setpgid(0, 0) = 0 [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 484] write(3, "1000", 4) = 4 [pid 484] close(3) = 0 [pid 484] memfd_create("syzkaller", 0) = 3 [pid 484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 484] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 484] munmap(0x7fadb4162000, 65536) = 0 [pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 484] ioctl(4, LOOP_CLR_FD) = 0 [pid 484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 484] close(4) = 0 [pid 484] close(3) = 0 [pid 484] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 484] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 484] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 484] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 484] exit_group(0) = ? [pid 484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 485 ./strace-static-x86_64: Process 485 attached [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] memfd_create("syzkaller", 0) = 3 [pid 485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 485] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 485] munmap(0x7fadb4162000, 65536) = 0 [pid 485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 485] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 485] ioctl(4, LOOP_CLR_FD) = 0 [pid 485] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 485] close(4) = 0 [pid 485] close(3) = 0 [pid 485] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 485] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 485] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 485] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 485] exit_group(0) = ? [pid 485] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 486 ./strace-static-x86_64: Process 486 attached [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 486] setpgid(0, 0) = 0 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 486] write(3, "1000", 4) = 4 [pid 486] close(3) = 0 [pid 486] memfd_create("syzkaller", 0) = 3 [pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 486] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 486] munmap(0x7fadb4162000, 65536) = 0 [pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 486] ioctl(4, LOOP_CLR_FD) = 0 [pid 486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 486] close(4) = 0 [pid 486] close(3) = 0 [pid 486] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 486] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 486] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 486] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 486] exit_group(0) = ? [pid 486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 488 ./strace-static-x86_64: Process 488 attached [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] memfd_create("syzkaller", 0) = 3 [pid 488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 488] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 488] munmap(0x7fadb4162000, 65536) = 0 [pid 488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 488] ioctl(4, LOOP_CLR_FD) = 0 [pid 488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 488] close(4) = 0 [pid 488] close(3) = 0 [pid 488] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 488] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 488] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 488] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 488] exit_group(0) = ? [pid 488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 489 ./strace-static-x86_64: Process 489 attached [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 489] setpgid(0, 0) = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 489] write(3, "1000", 4) = 4 [pid 489] close(3) = 0 [pid 489] memfd_create("syzkaller", 0) = 3 [pid 489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 489] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 489] munmap(0x7fadb4162000, 65536) = 0 [pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 489] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 489] ioctl(4, LOOP_CLR_FD) = 0 [pid 489] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 489] close(4) = 0 [pid 489] close(3) = 0 [pid 489] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 489] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 489] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 489] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 489] exit_group(0) = ? [pid 489] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 490 ./strace-static-x86_64: Process 490 attached [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 490] setpgid(0, 0) = 0 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 490] write(3, "1000", 4) = 4 [pid 490] close(3) = 0 [pid 490] memfd_create("syzkaller", 0) = 3 [pid 490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 490] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 490] munmap(0x7fadb4162000, 65536) = 0 [pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 490] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 490] ioctl(4, LOOP_CLR_FD) = 0 [pid 490] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 490] close(4) = 0 [pid 490] close(3) = 0 [pid 490] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 490] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 490] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 490] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 490] exit_group(0) = ? [pid 490] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 491 ./strace-static-x86_64: Process 491 attached [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] memfd_create("syzkaller", 0) = 3 [pid 491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 491] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 491] munmap(0x7fadb4162000, 65536) = 0 [pid 491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 491] ioctl(4, LOOP_CLR_FD) = 0 [pid 491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 491] close(4) = 0 [pid 491] close(3) = 0 [pid 491] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 491] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 491] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 491] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 491] exit_group(0) = ? [pid 491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 492 ./strace-static-x86_64: Process 492 attached [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 492] write(3, "1000", 4) = 4 [pid 492] close(3) = 0 [pid 492] memfd_create("syzkaller", 0) = 3 [pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 492] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 492] munmap(0x7fadb4162000, 65536) = 0 [pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 492] ioctl(4, LOOP_CLR_FD) = 0 [pid 492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 492] close(4) = 0 [pid 492] close(3) = 0 [pid 492] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 492] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 492] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 492] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 492] exit_group(0) = ? [pid 492] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 493 ./strace-static-x86_64: Process 493 attached [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 493] setpgid(0, 0) = 0 [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 493] write(3, "1000", 4) = 4 [pid 493] close(3) = 0 [pid 493] memfd_create("syzkaller", 0) = 3 [pid 493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 493] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 493] munmap(0x7fadb4162000, 65536) = 0 [pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 493] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 493] ioctl(4, LOOP_CLR_FD) = 0 [pid 493] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 493] close(4) = 0 [pid 493] close(3) = 0 [pid 493] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 493] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 493] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 493] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 493] exit_group(0) = ? [pid 493] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 494 ./strace-static-x86_64: Process 494 attached [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 494] setpgid(0, 0) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 494] write(3, "1000", 4) = 4 [pid 494] close(3) = 0 [pid 494] memfd_create("syzkaller", 0) = 3 [pid 494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 494] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 494] munmap(0x7fadb4162000, 65536) = 0 [pid 494] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 494] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 494] ioctl(4, LOOP_CLR_FD) = 0 [pid 494] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 494] close(4) = 0 [pid 494] close(3) = 0 [pid 494] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 494] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 494] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 494] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 494] exit_group(0) = ? [pid 494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 495 attached [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 495 [pid 495] <... prctl resumed>) = 0 [pid 495] setpgid(0, 0) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 495] write(3, "1000", 4) = 4 [pid 495] close(3) = 0 [pid 495] memfd_create("syzkaller", 0) = 3 [pid 495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 495] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 495] munmap(0x7fadb4162000, 65536) = 0 [pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 495] ioctl(4, LOOP_CLR_FD) = 0 [pid 495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 495] close(4) = 0 [pid 495] close(3) = 0 [pid 495] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 495] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 495] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 495] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 495] exit_group(0) = ? [pid 495] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 496 ./strace-static-x86_64: Process 496 attached [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 496] setpgid(0, 0) = 0 [pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 496] write(3, "1000", 4) = 4 [pid 496] close(3) = 0 [pid 496] memfd_create("syzkaller", 0) = 3 [pid 496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 496] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 496] munmap(0x7fadb4162000, 65536) = 0 [pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 496] ioctl(4, LOOP_CLR_FD) = 0 [pid 496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 496] close(4) = 0 [pid 496] close(3) = 0 [pid 496] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 496] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 496] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 496] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 496] exit_group(0) = ? [pid 496] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=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 497 attached , child_tidptr=0x5555556395d0) = 497 [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 [pid 497] memfd_create("syzkaller", 0) = 3 [pid 497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 497] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 497] munmap(0x7fadb4162000, 65536) = 0 [pid 497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 497] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 497] ioctl(4, LOOP_CLR_FD) = 0 [pid 497] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 497] close(4) = 0 [pid 497] close(3) = 0 [pid 497] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 497] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 497] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 497] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 497] exit_group(0) = ? [pid 497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 498 ./strace-static-x86_64: Process 498 attached [pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 498] setpgid(0, 0) = 0 [pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] write(3, "1000", 4) = 4 [pid 498] close(3) = 0 [pid 498] memfd_create("syzkaller", 0) = 3 [pid 498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 498] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 498] munmap(0x7fadb4162000, 65536) = 0 [pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 498] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 498] ioctl(4, LOOP_CLR_FD) = 0 [pid 498] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 498] close(4) = 0 [pid 498] close(3) = 0 [pid 498] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 498] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 498] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 498] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 498] exit_group(0) = ? [pid 498] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 499 ./strace-static-x86_64: Process 499 attached [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 499] setpgid(0, 0) = 0 [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 499] write(3, "1000", 4) = 4 [pid 499] close(3) = 0 [pid 499] memfd_create("syzkaller", 0) = 3 [pid 499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 499] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 499] munmap(0x7fadb4162000, 65536) = 0 [pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 499] ioctl(4, LOOP_CLR_FD) = 0 [pid 499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 499] close(4) = 0 [pid 499] close(3) = 0 [pid 499] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 499] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 499] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 499] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 499] exit_group(0) = ? [pid 499] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 500 ./strace-static-x86_64: Process 500 attached [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 500] write(3, "1000", 4) = 4 [pid 500] close(3) = 0 [pid 500] memfd_create("syzkaller", 0) = 3 [pid 500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 500] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 500] munmap(0x7fadb4162000, 65536) = 0 [pid 500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 500] ioctl(4, LOOP_CLR_FD) = 0 [pid 500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 500] close(4) = 0 [pid 500] close(3) = 0 [pid 500] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 500] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 500] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 500] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 500] exit_group(0) = ? [pid 500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 501 ./strace-static-x86_64: Process 501 attached [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 501] write(3, "1000", 4) = 4 [pid 501] close(3) = 0 [pid 501] memfd_create("syzkaller", 0) = 3 [pid 501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 501] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 501] munmap(0x7fadb4162000, 65536) = 0 [pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 501] ioctl(4, LOOP_CLR_FD) = 0 [pid 501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 501] close(4) = 0 [pid 501] close(3) = 0 [pid 501] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 501] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 501] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 501] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 501] exit_group(0) = ? [pid 501] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 502 attached , child_tidptr=0x5555556395d0) = 502 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3) = 0 [pid 502] memfd_create("syzkaller", 0) = 3 [pid 502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 502] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 502] munmap(0x7fadb4162000, 65536) = 0 [pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 502] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 502] ioctl(4, LOOP_CLR_FD) = 0 [pid 502] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 502] close(4) = 0 [pid 502] close(3) = 0 [pid 502] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 502] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 502] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 502] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 502] exit_group(0) = ? [pid 502] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 503 ./strace-static-x86_64: Process 503 attached [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 503] setpgid(0, 0) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 [pid 503] memfd_create("syzkaller", 0) = 3 [pid 503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 503] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 503] munmap(0x7fadb4162000, 65536) = 0 [pid 503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 503] ioctl(4, LOOP_CLR_FD) = 0 [pid 503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 503] close(4) = 0 [pid 503] close(3) = 0 [pid 503] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 503] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 503] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 503] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 503] exit_group(0) = ? [pid 503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 504 ./strace-static-x86_64: Process 504 attached [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 504] setpgid(0, 0) = 0 [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 504] write(3, "1000", 4) = 4 [pid 504] close(3) = 0 [pid 504] memfd_create("syzkaller", 0) = 3 [pid 504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 504] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 504] munmap(0x7fadb4162000, 65536) = 0 [pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 504] ioctl(4, LOOP_CLR_FD) = 0 [pid 504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 504] close(4) = 0 [pid 504] close(3) = 0 [pid 504] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 504] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 504] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 504] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 504] exit_group(0) = ? [pid 504] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 505 ./strace-static-x86_64: Process 505 attached [pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 505] setpgid(0, 0) = 0 [pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 505] write(3, "1000", 4) = 4 [pid 505] close(3) = 0 [pid 505] memfd_create("syzkaller", 0) = 3 [pid 505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 505] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 505] munmap(0x7fadb4162000, 65536) = 0 [pid 505] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 505] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 505] ioctl(4, LOOP_CLR_FD) = 0 [pid 505] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 505] close(4) = 0 [pid 505] close(3) = 0 [pid 505] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 505] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 505] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 505] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 505] exit_group(0) = ? [pid 505] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 506 ./strace-static-x86_64: Process 506 attached [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] setpgid(0, 0) = 0 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] write(3, "1000", 4) = 4 [pid 506] close(3) = 0 [pid 506] memfd_create("syzkaller", 0) = 3 [pid 506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 506] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 506] munmap(0x7fadb4162000, 65536) = 0 [pid 506] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 506] ioctl(4, LOOP_CLR_FD) = 0 [pid 506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 506] close(4) = 0 [pid 506] close(3) = 0 [pid 506] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 506] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 506] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 506] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 506] exit_group(0) = ? [pid 506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 507 ./strace-static-x86_64: Process 507 attached [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 [pid 507] memfd_create("syzkaller", 0) = 3 [pid 507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 507] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 507] munmap(0x7fadb4162000, 65536) = 0 [pid 507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 507] ioctl(4, LOOP_CLR_FD) = 0 [pid 507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 507] close(4) = 0 [pid 507] close(3) = 0 [pid 507] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 507] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 507] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 507] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 507] exit_group(0) = ? [pid 507] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 509 ./strace-static-x86_64: Process 509 attached [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] memfd_create("syzkaller", 0) = 3 [pid 509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 509] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 509] munmap(0x7fadb4162000, 65536) = 0 [pid 509] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 509] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 509] ioctl(4, LOOP_CLR_FD) = 0 [pid 509] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 509] close(4) = 0 [pid 509] close(3) = 0 [pid 509] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 509] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 509] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 509] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 509] exit_group(0) = ? [pid 509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 510 ./strace-static-x86_64: Process 510 attached [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 510] write(3, "1000", 4) = 4 [pid 510] close(3) = 0 [pid 510] memfd_create("syzkaller", 0) = 3 [pid 510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 510] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 510] munmap(0x7fadb4162000, 65536) = 0 [pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 510] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 510] ioctl(4, LOOP_CLR_FD) = 0 [pid 510] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 510] close(4) = 0 [pid 510] close(3) = 0 [pid 510] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 510] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 510] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 510] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 510] exit_group(0) = ? [pid 510] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 511 ./strace-static-x86_64: Process 511 attached [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 511] setpgid(0, 0) = 0 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 511] write(3, "1000", 4) = 4 [pid 511] close(3) = 0 [pid 511] memfd_create("syzkaller", 0) = 3 [pid 511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 511] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 511] munmap(0x7fadb4162000, 65536) = 0 [pid 511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 511] ioctl(4, LOOP_CLR_FD) = 0 [pid 511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 511] close(4) = 0 [pid 511] close(3) = 0 [pid 511] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 511] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 511] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 511] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 511] exit_group(0) = ? [pid 511] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 512 ./strace-static-x86_64: Process 512 attached [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 [pid 512] memfd_create("syzkaller", 0) = 3 [pid 512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 512] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 512] munmap(0x7fadb4162000, 65536) = 0 [pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 512] ioctl(4, LOOP_CLR_FD) = 0 [pid 512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 512] close(4) = 0 [pid 512] close(3) = 0 [pid 512] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 512] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 512] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 512] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 512] exit_group(0) = ? [pid 512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 513 ./strace-static-x86_64: Process 513 attached [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3) = 0 [pid 513] memfd_create("syzkaller", 0) = 3 [pid 513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 513] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 513] munmap(0x7fadb4162000, 65536) = 0 [pid 513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 513] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 513] ioctl(4, LOOP_CLR_FD) = 0 [pid 513] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 513] close(4) = 0 [pid 513] close(3) = 0 [pid 513] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 513] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 513] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [ 25.571156][ T8] ================================================================== [ 25.579036][ T8] BUG: KASAN: use-after-free in move_expired_inodes+0x181/0x890 [ 25.586498][ T8] Read of size 8 at addr ffff88810f42c9a0 by task kworker/u4:0/8 [ 25.594050][ T8] [ 25.596219][ T8] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.78-syzkaller-00911-gc73b4619ad86 #0 [ 25.605773][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 25.615666][ T8] Workqueue: writeback wb_workfn (flush-7:0) [ 25.621476][ T8] Call Trace: [ 25.624605][ T8] [ 25.627386][ T8] dump_stack_lvl+0x151/0x1b7 [ 25.631890][ T8] ? bfq_pos_tree_add_move+0x43e/0x43e [ 25.637181][ T8] ? panic+0x727/0x727 [ 25.641093][ T8] print_address_description+0x87/0x3d0 [ 25.646487][ T8] kasan_report+0x1a6/0x1f0 [ 25.650811][ T8] ? move_expired_inodes+0x181/0x890 [ 25.655932][ T8] ? move_expired_inodes+0x181/0x890 [ 25.661506][ T8] __asan_report_load8_noabort+0x14/0x20 [ 25.666951][ T8] move_expired_inodes+0x181/0x890 [ 25.671909][ T8] ? __writeback_inodes_wb+0x410/0x410 [ 25.677199][ T8] queue_io+0x29f/0x500 [ 25.681190][ T8] wb_writeback+0x3c3/0x9e0 [ 25.685526][ T8] ? inode_cgwb_move_to_attached+0x400/0x400 [ 25.691341][ T8] ? widen_string+0x41/0x3a0 [ 25.695802][ T8] ? __kasan_check_write+0x14/0x20 [ 25.700714][ T8] ? cpumask_next+0x8a/0xb0 [ 25.705061][ T8] wb_do_writeback+0x995/0xbd0 [ 25.709654][ T8] ? wb_workfn+0x3e0/0x3e0 [ 25.713909][ T8] ? __kasan_check_read+0x11/0x20 [ 25.718769][ T8] ? work_busy+0x250/0x250 [ 25.723018][ T8] ? kthread_data+0x52/0xc0 [ 25.727359][ T8] wb_workfn+0xf8/0x3e0 [ 25.731359][ T8] process_one_work+0x6db/0xc00 [ 25.736039][ T8] worker_thread+0xb3e/0x1340 [ 25.740554][ T8] kthread+0x41c/0x500 [ 25.744496][ T8] ? worker_clr_flags+0x180/0x180 [ 25.749490][ T8] ? kthread_blkcg+0xd0/0xd0 [ 25.753918][ T8] ret_from_fork+0x1f/0x30 [ 25.758173][ T8] [ 25.761034][ T8] [ 25.763204][ T8] Allocated by task 409: [ 25.767287][ T8] __kasan_slab_alloc+0xb2/0xe0 [ 25.771969][ T8] kmem_cache_alloc+0x189/0x2f0 [ 25.776653][ T8] fat_alloc_inode+0x1d/0xa0 [ 25.781082][ T8] new_inode_pseudo+0x64/0x220 [ 25.785684][ T8] new_inode+0x28/0x1c0 [ 25.789674][ T8] fat_build_inode+0x1d9/0x3a0 [ 25.794275][ T8] msdos_create+0x480/0x580 [ 25.798615][ T8] path_openat+0x1323/0x2ea0 [ 25.803038][ T8] do_filp_open+0x277/0x4f0 [ 25.807379][ T8] do_sys_openat2+0x13b/0x500 [ 25.811895][ T8] __x64_sys_open+0x221/0x270 [ 25.816403][ T8] do_syscall_64+0x44/0xd0 [ 25.820656][ T8] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.826388][ T8] [ 25.828556][ T8] Freed by task 0: [ 25.832115][ T8] kasan_set_track+0x4c/0x70 [ 25.836539][ T8] kasan_set_free_info+0x23/0x40 [ 25.841314][ T8] ____kasan_slab_free+0x126/0x160 [ 25.846261][ T8] __kasan_slab_free+0x11/0x20 [ 25.850976][ T8] slab_free_freelist_hook+0xc9/0x1a0 [ 25.856184][ T8] kmem_cache_free+0x11a/0x2e0 [ 25.860786][ T8] fat_free_inode+0x20/0x30 [ 25.865122][ T8] i_callback+0x4b/0x70 [ 25.869115][ T8] rcu_do_batch+0x55b/0xbe0 [ 25.873456][ T8] rcu_core+0x506/0x1000 [ 25.877533][ T8] rcu_core_si+0x9/0x10 [ 25.881525][ T8] __do_softirq+0x27e/0x5dc [ 25.885865][ T8] [ 25.888034][ T8] Last potentially related work creation: [ 25.893589][ T8] kasan_save_stack+0x3b/0x60 [ 25.898102][ T8] __kasan_record_aux_stack+0xd3/0xf0 [ 25.903312][ T8] kasan_record_aux_stack_noalloc+0xb/0x10 [ 25.908954][ T8] call_rcu+0x140/0x1400 [ 25.913033][ T8] evict+0x5de/0x630 [ 25.916763][ T8] iput+0x61c/0x7d0 [ 25.920407][ T8] dentry_unlink_inode+0x349/0x430 [ 25.925357][ T8] __dentry_kill+0x3e2/0x5d0 [ 25.929781][ T8] dentry_kill+0xc0/0x2a0 [ 25.933947][ T8] dput+0x175/0x320 [ 25.937593][ T8] __fput+0x65a/0x910 [ 25.941421][ T8] ____fput+0x15/0x20 [ 25.945230][ T8] task_work_run+0x147/0x1b0 [ 25.949657][ T8] do_exit+0x67e/0x24d0 [ 25.953742][ T8] do_group_exit+0x13a/0x300 [ 25.958172][ T8] __x64_sys_exit_group+0x3f/0x40 [ 25.963110][ T8] do_syscall_64+0x44/0xd0 [ 25.967368][ T8] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.973096][ T8] [ 25.975263][ T8] The buggy address belongs to the object at ffff88810f42c820 [ 25.975263][ T8] which belongs to the cache fat_inode_cache of size 912 [ 25.989506][ T8] The buggy address is located 384 bytes inside of [ 25.989506][ T8] 912-byte region [ffff88810f42c820, ffff88810f42cbb0) [ 26.002699][ T8] The buggy address belongs to the page: [ 26.008160][ T8] page:ffffea00043d0b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f42c [ 26.018224][ T8] head:ffffea00043d0b00 order:2 compound_mapcount:0 compound_pincount:0 [ 26.026476][ T8] flags: 0x4000000000010200(slab|head|zone=1) [ 26.032426][ T8] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888103194180 [ 26.040809][ T8] raw: 0000000000000000 00000000800f000f 00000001ffffffff 0000000000000000 [ 26.049217][ T8] page dumped because: kasan: bad access detected [ 26.055485][ T8] page_owner tracks the page as allocated [ 26.061017][ T8] page last allocated via order 2, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 409, ts 20546236982, free_ts 0 [ 26.079938][ T8] post_alloc_hook+0x1ab/0x1b0 [ 26.084538][ T8] get_page_from_freelist+0x38b/0x400 [ 26.089745][ T8] __alloc_pages+0x3a8/0x7c0 [ 26.094172][ T8] allocate_slab+0x62/0x580 [ 26.098510][ T8] ___slab_alloc+0x2e2/0x6f0 [ 26.102940][ T8] __slab_alloc+0x4a/0x90 [ 26.107190][ T8] kmem_cache_alloc+0x205/0x2f0 [ 26.111875][ T8] fat_alloc_inode+0x1d/0xa0 [ 26.116303][ T8] new_inode_pseudo+0x64/0x220 [ 26.120903][ T8] new_inode+0x28/0x1c0 [ 26.124896][ T8] fat_fill_super+0x32c2/0x4b30 [ 26.129580][ T8] msdos_fill_super+0x2e/0x40 [ 26.134181][ T8] mount_bdev+0x280/0x3b0 [ 26.139048][ T8] msdos_mount+0x34/0x40 [ 26.143124][ T8] legacy_get_tree+0xf0/0x190 [ 26.147727][ T8] vfs_get_tree+0x88/0x290 [ 26.151980][ T8] page_owner free stack trace missing [ 26.157181][ T8] [ 26.159349][ T8] Memory state around the buggy address: [ 26.164823][ T8] ffff88810f42c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [pid 513] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 513] exit_group(0) = ? [pid 513] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 515 ./strace-static-x86_64: Process 515 attached [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 [pid 515] memfd_create("syzkaller", 0) = 3 [pid 515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 515] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 515] munmap(0x7fadb4162000, 65536) = 0 [pid 515] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 515] ioctl(4, LOOP_CLR_FD) = 0 [pid 515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 515] close(4) = 0 [pid 515] close(3) = 0 [pid 515] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 515] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 515] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [ 26.172720][ T8] ffff88810f42c900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.180622][ T8] >ffff88810f42c980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.188511][ T8] ^ [ 26.193484][ T8] ffff88810f42ca00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.201360][ T8] ffff88810f42ca80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.209267][ T8] ================================================================== [ 26.217155][ T8] Disabling lock debugging due to kernel taint [pid 515] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 515] exit_group(0) = ? [pid 515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 516 attached , child_tidptr=0x5555556395d0) = 516 [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 516] setpgid(0, 0) = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 516] write(3, "1000", 4) = 4 [pid 516] close(3) = 0 [pid 516] memfd_create("syzkaller", 0) = 3 [pid 516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 516] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 516] munmap(0x7fadb4162000, 65536) = 0 [pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 516] ioctl(4, LOOP_CLR_FD) = 0 [pid 516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 516] close(4) = 0 [pid 516] close(3) = 0 [pid 516] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 516] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 516] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 516] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 516] exit_group(0) = ? [pid 516] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=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 518 attached , child_tidptr=0x5555556395d0) = 518 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 518] memfd_create("syzkaller", 0) = 3 [pid 518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 518] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 518] munmap(0x7fadb4162000, 65536) = 0 [pid 518] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 518] ioctl(4, LOOP_CLR_FD) = 0 [pid 518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 518] close(4) = 0 [pid 518] close(3) = 0 [pid 518] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 518] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 518] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 518] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 518] exit_group(0) = ? [pid 518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 519 ./strace-static-x86_64: Process 519 attached [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 519] write(3, "1000", 4) = 4 [pid 519] close(3) = 0 [pid 519] memfd_create("syzkaller", 0) = 3 [pid 519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 519] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 519] munmap(0x7fadb4162000, 65536) = 0 [pid 519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 519] ioctl(4, LOOP_CLR_FD) = 0 [pid 519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 519] close(4) = 0 [pid 519] close(3) = 0 [pid 519] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 519] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 519] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 519] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 519] exit_group(0) = ? [pid 519] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", 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=0x5555556395d0) = 520 ./strace-static-x86_64: Process 520 attached [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 520] setpgid(0, 0) = 0 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 520] write(3, "1000", 4) = 4 [pid 520] close(3) = 0 [pid 520] memfd_create("syzkaller", 0) = 3 [pid 520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 520] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 520] munmap(0x7fadb4162000, 65536) = 0 [pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 520] ioctl(4, LOOP_CLR_FD) = 0 [pid 520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 520] close(4) = 0 [pid 520] close(3) = 0 [pid 520] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 520] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 520] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 520] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 520] exit_group(0) = ? [pid 520] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 521 ./strace-static-x86_64: Process 521 attached [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 521] setpgid(0, 0) = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 521] write(3, "1000", 4) = 4 [pid 521] close(3) = 0 [pid 521] memfd_create("syzkaller", 0) = 3 [pid 521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 521] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 521] munmap(0x7fadb4162000, 65536) = 0 [pid 521] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 521] ioctl(4, LOOP_CLR_FD) = 0 [pid 521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 521] close(4) = 0 [pid 521] close(3) = 0 [pid 521] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 521] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 521] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 521] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 521] exit_group(0) = ? [pid 521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 522 ./strace-static-x86_64: Process 522 attached [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 522] setpgid(0, 0) = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 522] write(3, "1000", 4) = 4 [pid 522] close(3) = 0 [pid 522] memfd_create("syzkaller", 0) = 3 [pid 522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 522] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 522] munmap(0x7fadb4162000, 65536) = 0 [pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 522] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 522] ioctl(4, LOOP_CLR_FD) = 0 [pid 522] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 522] close(4) = 0 [pid 522] close(3) = 0 [pid 522] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 522] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 522] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 522] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 522] exit_group(0) = ? [pid 522] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 523 ./strace-static-x86_64: Process 523 attached [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 523] setpgid(0, 0) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 523] write(3, "1000", 4) = 4 [pid 523] close(3) = 0 [pid 523] memfd_create("syzkaller", 0) = 3 [pid 523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 523] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 523] munmap(0x7fadb4162000, 65536) = 0 [pid 523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 523] ioctl(4, LOOP_CLR_FD) = 0 [pid 523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 523] close(4) = 0 [pid 523] close(3) = 0 [pid 523] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 523] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 523] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 523] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 523] exit_group(0) = ? [pid 523] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 524 ./strace-static-x86_64: Process 524 attached [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 524] close(3) = 0 [pid 524] memfd_create("syzkaller", 0) = 3 [pid 524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 524] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 524] munmap(0x7fadb4162000, 65536) = 0 [pid 524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 524] ioctl(4, LOOP_CLR_FD) = 0 [pid 524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 524] close(4) = 0 [pid 524] close(3) = 0 [pid 524] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 524] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 524] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 524] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 524] exit_group(0) = ? [pid 524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 525 ./strace-static-x86_64: Process 525 attached [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 525] setpgid(0, 0) = 0 [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 525] write(3, "1000", 4) = 4 [pid 525] close(3) = 0 [pid 525] memfd_create("syzkaller", 0) = 3 [pid 525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 525] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 525] munmap(0x7fadb4162000, 65536) = 0 [pid 525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 525] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 525] ioctl(4, LOOP_CLR_FD) = 0 [pid 525] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 525] close(4) = 0 [pid 525] close(3) = 0 [pid 525] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 525] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 525] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 525] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 525] exit_group(0) = ? [pid 525] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 526 ./strace-static-x86_64: Process 526 attached [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 526] setpgid(0, 0) = 0 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 526] write(3, "1000", 4) = 4 [pid 526] close(3) = 0 [pid 526] memfd_create("syzkaller", 0) = 3 [pid 526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 526] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 526] munmap(0x7fadb4162000, 65536) = 0 [pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 526] ioctl(4, LOOP_CLR_FD) = 0 [pid 526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 526] close(4) = 0 [pid 526] close(3) = 0 [pid 526] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 526] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 526] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 526] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 526] exit_group(0) = ? [pid 526] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 527 ./strace-static-x86_64: Process 527 attached [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 527] setpgid(0, 0) = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 [pid 527] memfd_create("syzkaller", 0) = 3 [pid 527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 527] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 527] munmap(0x7fadb4162000, 65536) = 0 [pid 527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 527] ioctl(4, LOOP_CLR_FD) = 0 [pid 527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 527] close(4) = 0 [pid 527] close(3) = 0 [pid 527] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 527] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 527] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 527] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 527] exit_group(0) = ? [pid 527] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 528 ./strace-static-x86_64: Process 528 attached [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 528] setpgid(0, 0) = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 528] write(3, "1000", 4) = 4 [pid 528] close(3) = 0 [pid 528] memfd_create("syzkaller", 0) = 3 [pid 528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 528] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 528] munmap(0x7fadb4162000, 65536) = 0 [pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 528] ioctl(4, LOOP_CLR_FD) = 0 [pid 528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 528] close(4) = 0 [pid 528] close(3) = 0 [pid 528] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 528] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 528] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 528] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 528] exit_group(0) = ? [pid 528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 529 ./strace-static-x86_64: Process 529 attached [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 529] setpgid(0, 0) = 0 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 529] write(3, "1000", 4) = 4 [pid 529] close(3) = 0 [pid 529] memfd_create("syzkaller", 0) = 3 [pid 529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 529] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 529] munmap(0x7fadb4162000, 65536) = 0 [pid 529] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 529] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 529] ioctl(4, LOOP_CLR_FD) = 0 [pid 529] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 529] close(4) = 0 [pid 529] close(3) = 0 [pid 529] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 529] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 529] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 529] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 529] exit_group(0) = ? [pid 529] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 530 ./strace-static-x86_64: Process 530 attached [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [pid 530] memfd_create("syzkaller", 0) = 3 [pid 530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 530] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 530] munmap(0x7fadb4162000, 65536) = 0 [pid 530] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 530] ioctl(4, LOOP_CLR_FD) = 0 [pid 530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 530] close(4) = 0 [pid 530] close(3) = 0 [pid 530] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 530] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 530] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 530] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 530] exit_group(0) = ? [pid 530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 531 ./strace-static-x86_64: Process 531 attached [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 531] write(3, "1000", 4) = 4 [pid 531] close(3) = 0 [pid 531] memfd_create("syzkaller", 0) = 3 [pid 531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 531] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 531] munmap(0x7fadb4162000, 65536) = 0 [pid 531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 531] ioctl(4, LOOP_CLR_FD) = 0 [pid 531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 531] close(4) = 0 [pid 531] close(3) = 0 [pid 531] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 531] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 531] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 531] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 531] exit_group(0) = ? [pid 531] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 532 ./strace-static-x86_64: Process 532 attached [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 532] setpgid(0, 0) = 0 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 532] write(3, "1000", 4) = 4 [pid 532] close(3) = 0 [pid 532] memfd_create("syzkaller", 0) = 3 [pid 532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 532] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 532] munmap(0x7fadb4162000, 65536) = 0 [pid 532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 532] ioctl(4, LOOP_CLR_FD) = 0 [pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 532] close(4) = 0 [pid 532] close(3) = 0 [pid 532] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 532] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 532] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 532] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 532] exit_group(0) = ? [pid 532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 533 ./strace-static-x86_64: Process 533 attached [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 533] setpgid(0, 0) = 0 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] write(3, "1000", 4) = 4 [pid 533] close(3) = 0 [pid 533] memfd_create("syzkaller", 0) = 3 [pid 533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 533] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 533] munmap(0x7fadb4162000, 65536) = 0 [pid 533] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 533] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 533] ioctl(4, LOOP_CLR_FD) = 0 [pid 533] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 533] close(4) = 0 [pid 533] close(3) = 0 [pid 533] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 533] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 533] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 533] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 533] exit_group(0) = ? [pid 533] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 534 attached , child_tidptr=0x5555556395d0) = 534 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 534] write(3, "1000", 4) = 4 [pid 534] close(3) = 0 [pid 534] memfd_create("syzkaller", 0) = 3 [pid 534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 534] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 534] munmap(0x7fadb4162000, 65536) = 0 [pid 534] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 534] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 534] ioctl(4, LOOP_CLR_FD) = 0 [pid 534] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 534] close(4) = 0 [pid 534] close(3) = 0 [pid 534] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 534] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 534] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 534] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 534] exit_group(0) = ? [pid 534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 535 ./strace-static-x86_64: Process 535 attached [pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 535] setpgid(0, 0) = 0 [pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 535] write(3, "1000", 4) = 4 [pid 535] close(3) = 0 [pid 535] memfd_create("syzkaller", 0) = 3 [pid 535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 535] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 535] munmap(0x7fadb4162000, 65536) = 0 [pid 535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 535] ioctl(4, LOOP_CLR_FD) = 0 [pid 535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 535] close(4) = 0 [pid 535] close(3) = 0 [pid 535] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 535] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 535] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 535] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 535] exit_group(0) = ? [pid 535] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 536 ./strace-static-x86_64: Process 536 attached [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] memfd_create("syzkaller", 0) = 3 [pid 536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 536] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 536] munmap(0x7fadb4162000, 65536) = 0 [pid 536] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 536] ioctl(4, LOOP_CLR_FD) = 0 [pid 536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 536] close(4) = 0 [pid 536] close(3) = 0 [pid 536] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 536] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 536] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 536] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 536] exit_group(0) = ? [pid 536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 537 ./strace-static-x86_64: Process 537 attached [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 537] setpgid(0, 0) = 0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 537] write(3, "1000", 4) = 4 [pid 537] close(3) = 0 [pid 537] memfd_create("syzkaller", 0) = 3 [pid 537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 537] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 537] munmap(0x7fadb4162000, 65536) = 0 [pid 537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 537] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 537] ioctl(4, LOOP_CLR_FD) = 0 [pid 537] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 537] close(4) = 0 [pid 537] close(3) = 0 [pid 537] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 537] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 537] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 537] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 537] exit_group(0) = ? [pid 537] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 538 ./strace-static-x86_64: Process 538 attached [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] setpgid(0, 0) = 0 [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 538] write(3, "1000", 4) = 4 [pid 538] close(3) = 0 [pid 538] memfd_create("syzkaller", 0) = 3 [pid 538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 538] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 538] munmap(0x7fadb4162000, 65536) = 0 [pid 538] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 538] ioctl(4, LOOP_CLR_FD) = 0 [pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 538] close(4) = 0 [pid 538] close(3) = 0 [pid 538] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 538] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 538] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 538] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 538] exit_group(0) = ? [pid 538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 540 attached [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3) = 0 [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 540 [pid 540] memfd_create("syzkaller", 0) = 3 [pid 540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 540] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 540] munmap(0x7fadb4162000, 65536) = 0 [pid 540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 540] ioctl(4, LOOP_CLR_FD) = 0 [pid 540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 540] close(4) = 0 [pid 540] close(3) = 0 [pid 540] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 540] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 540] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 540] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 540] exit_group(0) = ? [pid 540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 541 attached , child_tidptr=0x5555556395d0) = 541 [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 541] setpgid(0, 0) = 0 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 541] write(3, "1000", 4) = 4 [pid 541] close(3) = 0 [pid 541] memfd_create("syzkaller", 0) = 3 [pid 541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 541] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 541] munmap(0x7fadb4162000, 65536) = 0 [pid 541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 541] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 541] ioctl(4, LOOP_CLR_FD) = 0 [pid 541] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 541] close(4) = 0 [pid 541] close(3) = 0 [pid 541] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 541] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 541] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 541] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 541] exit_group(0) = ? [pid 541] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 542 ./strace-static-x86_64: Process 542 attached [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] memfd_create("syzkaller", 0) = 3 [pid 542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 542] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 542] munmap(0x7fadb4162000, 65536) = 0 [pid 542] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 542] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 542] ioctl(4, LOOP_CLR_FD) = 0 [pid 542] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 542] close(4) = 0 [pid 542] close(3) = 0 [pid 542] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 542] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 542] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 542] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 542] exit_group(0) = ? [pid 542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 543 ./strace-static-x86_64: Process 543 attached [pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 543] setpgid(0, 0) = 0 [pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 543] write(3, "1000", 4) = 4 [pid 543] close(3) = 0 [pid 543] memfd_create("syzkaller", 0) = 3 [pid 543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 543] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 543] munmap(0x7fadb4162000, 65536) = 0 [pid 543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 543] ioctl(4, LOOP_CLR_FD) = 0 [pid 543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 543] close(4) = 0 [pid 543] close(3) = 0 [pid 543] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 543] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 543] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 543] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 543] exit_group(0) = ? [pid 543] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 544 ./strace-static-x86_64: Process 544 attached [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 544] setpgid(0, 0) = 0 [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 544] write(3, "1000", 4) = 4 [pid 544] close(3) = 0 [pid 544] memfd_create("syzkaller", 0) = 3 [pid 544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 544] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 544] munmap(0x7fadb4162000, 65536) = 0 [pid 544] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 544] ioctl(4, LOOP_CLR_FD) = 0 [pid 544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 544] close(4) = 0 [pid 544] close(3) = 0 [pid 544] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 544] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 544] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 544] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 544] exit_group(0) = ? [pid 544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 545 ./strace-static-x86_64: Process 545 attached [pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 545] setpgid(0, 0) = 0 [pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 545] write(3, "1000", 4) = 4 [pid 545] close(3) = 0 [pid 545] memfd_create("syzkaller", 0) = 3 [pid 545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 545] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 545] munmap(0x7fadb4162000, 65536) = 0 [pid 545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 545] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 545] ioctl(4, LOOP_CLR_FD) = 0 [pid 545] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 545] close(4) = 0 [pid 545] close(3) = 0 [pid 545] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 545] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 545] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 545] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 545] exit_group(0) = ? [pid 545] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 546 ./strace-static-x86_64: Process 546 attached [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 [pid 546] memfd_create("syzkaller", 0) = 3 [pid 546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 546] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 546] munmap(0x7fadb4162000, 65536) = 0 [pid 546] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 546] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 546] ioctl(4, LOOP_CLR_FD) = 0 [pid 546] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 546] close(4) = 0 [pid 546] close(3) = 0 [pid 546] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 546] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 546] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 546] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 546] exit_group(0) = ? [pid 546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 547 ./strace-static-x86_64: Process 547 attached [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 547] setpgid(0, 0) = 0 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 547] write(3, "1000", 4) = 4 [pid 547] close(3) = 0 [pid 547] memfd_create("syzkaller", 0) = 3 [pid 547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 547] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 547] munmap(0x7fadb4162000, 65536) = 0 [pid 547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 547] ioctl(4, LOOP_CLR_FD) = 0 [pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 547] close(4) = 0 [pid 547] close(3) = 0 [pid 547] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 547] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 547] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 547] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 547] exit_group(0) = ? [pid 547] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 548 ./strace-static-x86_64: Process 548 attached [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 548] setpgid(0, 0) = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] write(3, "1000", 4) = 4 [pid 548] close(3) = 0 [pid 548] memfd_create("syzkaller", 0) = 3 [pid 548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 548] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 548] munmap(0x7fadb4162000, 65536) = 0 [pid 548] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 548] ioctl(4, LOOP_CLR_FD) = 0 [pid 548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 548] close(4) = 0 [pid 548] close(3) = 0 [pid 548] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 548] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 548] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 548] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 548] exit_group(0) = ? [pid 548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 549 ./strace-static-x86_64: Process 549 attached [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] memfd_create("syzkaller", 0) = 3 [pid 549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 549] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 549] munmap(0x7fadb4162000, 65536) = 0 [pid 549] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 549] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 549] ioctl(4, LOOP_CLR_FD) = 0 [pid 549] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 549] close(4) = 0 [pid 549] close(3) = 0 [pid 549] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 549] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 549] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 549] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 549] exit_group(0) = ? [pid 549] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 550 ./strace-static-x86_64: Process 550 attached [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 550] setpgid(0, 0) = 0 [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 550] write(3, "1000", 4) = 4 [pid 550] close(3) = 0 [pid 550] memfd_create("syzkaller", 0) = 3 [pid 550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 550] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 550] munmap(0x7fadb4162000, 65536) = 0 [pid 550] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 550] ioctl(4, LOOP_CLR_FD) = 0 [pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 550] close(4) = 0 [pid 550] close(3) = 0 [pid 550] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 550] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 550] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 550] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 550] exit_group(0) = ? [pid 550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 551 ./strace-static-x86_64: Process 551 attached [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] setpgid(0, 0) = 0 [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] write(3, "1000", 4) = 4 [pid 551] close(3) = 0 [pid 551] memfd_create("syzkaller", 0) = 3 [pid 551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 551] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 551] munmap(0x7fadb4162000, 65536) = 0 [pid 551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 551] ioctl(4, LOOP_CLR_FD) = 0 [pid 551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 551] close(4) = 0 [pid 551] close(3) = 0 [pid 551] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 551] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 551] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 551] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 551] exit_group(0) = ? [pid 551] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 552 ./strace-static-x86_64: Process 552 attached [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [pid 552] memfd_create("syzkaller", 0) = 3 [pid 552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 552] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 552] munmap(0x7fadb4162000, 65536) = 0 [pid 552] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 552] ioctl(4, LOOP_CLR_FD) = 0 [pid 552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 552] close(4) = 0 [pid 552] close(3) = 0 [pid 552] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 552] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 552] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 552] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 552] exit_group(0) = ? [pid 552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 553 ./strace-static-x86_64: Process 553 attached [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] setpgid(0, 0) = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] write(3, "1000", 4) = 4 [pid 553] close(3) = 0 [pid 553] memfd_create("syzkaller", 0) = 3 [pid 553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 553] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 553] munmap(0x7fadb4162000, 65536) = 0 [pid 553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 553] ioctl(4, LOOP_CLR_FD) = 0 [pid 553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 553] close(4) = 0 [pid 553] close(3) = 0 [pid 553] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 553] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 553] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 553] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 553] exit_group(0) = ? [pid 553] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 554 ./strace-static-x86_64: Process 554 attached [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] setpgid(0, 0) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3) = 0 [pid 554] memfd_create("syzkaller", 0) = 3 [pid 554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 554] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 554] munmap(0x7fadb4162000, 65536) = 0 [pid 554] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 554] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 554] ioctl(4, LOOP_CLR_FD) = 0 [pid 554] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 554] close(4) = 0 [pid 554] close(3) = 0 [pid 554] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 554] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 554] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 554] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 554] exit_group(0) = ? [pid 554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 555 attached , child_tidptr=0x5555556395d0) = 555 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 [pid 555] memfd_create("syzkaller", 0) = 3 [pid 555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 555] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 555] munmap(0x7fadb4162000, 65536) = 0 [pid 555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 555] ioctl(4, LOOP_CLR_FD) = 0 [pid 555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 555] close(4) = 0 [pid 555] close(3) = 0 [pid 555] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 555] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 555] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 555] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 555] exit_group(0) = ? [pid 555] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 556 ./strace-static-x86_64: Process 556 attached [pid 556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 556] setpgid(0, 0) = 0 [pid 556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 556] write(3, "1000", 4) = 4 [pid 556] close(3) = 0 [pid 556] memfd_create("syzkaller", 0) = 3 [pid 556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 556] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 556] munmap(0x7fadb4162000, 65536) = 0 [pid 556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 556] ioctl(4, LOOP_CLR_FD) = 0 [pid 556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 556] close(4) = 0 [pid 556] close(3) = 0 [pid 556] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 556] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 556] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 556] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 556] exit_group(0) = ? [pid 556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 557 attached , child_tidptr=0x5555556395d0) = 557 [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 557] setpgid(0, 0) = 0 [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 557] write(3, "1000", 4) = 4 [pid 557] close(3) = 0 [pid 557] memfd_create("syzkaller", 0) = 3 [pid 557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 557] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 557] munmap(0x7fadb4162000, 65536) = 0 [pid 557] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 557] ioctl(4, LOOP_CLR_FD) = 0 [pid 557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 557] close(4) = 0 [pid 557] close(3) = 0 [pid 557] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 557] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 557] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 557] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 557] exit_group(0) = ? [pid 557] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 558 ./strace-static-x86_64: Process 558 attached [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 558] setpgid(0, 0) = 0 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 558] write(3, "1000", 4) = 4 [pid 558] close(3) = 0 [pid 558] memfd_create("syzkaller", 0) = 3 [pid 558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 558] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 558] munmap(0x7fadb4162000, 65536) = 0 [pid 558] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 558] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 558] ioctl(4, LOOP_CLR_FD) = 0 [pid 558] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 558] close(4) = 0 [pid 558] close(3) = 0 [pid 558] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 558] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 558] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 558] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 558] exit_group(0) = ? [pid 558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 559 ./strace-static-x86_64: Process 559 attached [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 559] setpgid(0, 0) = 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 559] write(3, "1000", 4) = 4 [pid 559] close(3) = 0 [pid 559] memfd_create("syzkaller", 0) = 3 [pid 559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 559] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 559] munmap(0x7fadb4162000, 65536) = 0 [pid 559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 559] ioctl(4, LOOP_CLR_FD) = 0 [pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 559] close(4) = 0 [pid 559] close(3) = 0 [pid 559] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 559] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 559] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 559] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 559] exit_group(0) = ? [pid 559] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 561 ./strace-static-x86_64: Process 561 attached [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 [pid 561] memfd_create("syzkaller", 0) = 3 [pid 561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 561] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 561] munmap(0x7fadb4162000, 65536) = 0 [pid 561] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 561] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 561] ioctl(4, LOOP_CLR_FD) = 0 [pid 561] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 561] close(4) = 0 [pid 561] close(3) = 0 [pid 561] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 561] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 561] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 561] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 561] exit_group(0) = ? [pid 561] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=561, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 562 ./strace-static-x86_64: Process 562 attached [pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 562] setpgid(0, 0) = 0 [pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 562] write(3, "1000", 4) = 4 [pid 562] close(3) = 0 [pid 562] memfd_create("syzkaller", 0) = 3 [pid 562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 562] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 562] munmap(0x7fadb4162000, 65536) = 0 [pid 562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 562] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 562] ioctl(4, LOOP_CLR_FD) = 0 [pid 562] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 562] close(4) = 0 [pid 562] close(3) = 0 [pid 562] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 562] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 562] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 562] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 562] exit_group(0) = ? [pid 562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 563 ./strace-static-x86_64: Process 563 attached [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] memfd_create("syzkaller", 0) = 3 [pid 563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 563] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 563] munmap(0x7fadb4162000, 65536) = 0 [pid 563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 563] ioctl(4, LOOP_CLR_FD) = 0 [pid 563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 563] close(4) = 0 [pid 563] close(3) = 0 [pid 563] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 563] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 563] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 563] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 563] exit_group(0) = ? [pid 563] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 564 attached , child_tidptr=0x5555556395d0) = 564 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] write(3, "1000", 4) = 4 [pid 564] close(3) = 0 [pid 564] memfd_create("syzkaller", 0) = 3 [pid 564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 564] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 564] munmap(0x7fadb4162000, 65536) = 0 [pid 564] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 564] ioctl(4, LOOP_CLR_FD) = 0 [pid 564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 564] close(4) = 0 [pid 564] close(3) = 0 [pid 564] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 564] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 564] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 564] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 564] exit_group(0) = ? [pid 564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 565 attached [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 565] setpgid(0, 0) = 0 [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 565 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 565] write(3, "1000", 4) = 4 [pid 565] close(3) = 0 [pid 565] memfd_create("syzkaller", 0) = 3 [pid 565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 565] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 565] munmap(0x7fadb4162000, 65536) = 0 [pid 565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 565] ioctl(4, LOOP_CLR_FD) = 0 [pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 565] close(4) = 0 [pid 565] close(3) = 0 [pid 565] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 565] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 565] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 565] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 565] exit_group(0) = ? [pid 565] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 566 ./strace-static-x86_64: Process 566 attached [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 [pid 566] close(3) = 0 [pid 566] memfd_create("syzkaller", 0) = 3 [pid 566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 566] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 566] munmap(0x7fadb4162000, 65536) = 0 [pid 566] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 566] ioctl(4, LOOP_CLR_FD) = 0 [pid 566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 566] close(4) = 0 [pid 566] close(3) = 0 [pid 566] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 566] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 566] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 566] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 566] exit_group(0) = ? [pid 566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 567 ./strace-static-x86_64: Process 567 attached [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] memfd_create("syzkaller", 0) = 3 [pid 567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 567] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 567] munmap(0x7fadb4162000, 65536) = 0 [pid 567] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 567] ioctl(4, LOOP_CLR_FD) = 0 [pid 567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 567] close(4) = 0 [pid 567] close(3) = 0 [pid 567] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 567] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 567] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 567] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 567] exit_group(0) = ? [pid 567] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 568 ./strace-static-x86_64: Process 568 attached [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 568] setpgid(0, 0) = 0 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 568] write(3, "1000", 4) = 4 [pid 568] close(3) = 0 [pid 568] memfd_create("syzkaller", 0) = 3 [pid 568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 568] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 568] munmap(0x7fadb4162000, 65536) = 0 [pid 568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 568] ioctl(4, LOOP_CLR_FD) = 0 [pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 568] close(4) = 0 [pid 568] close(3) = 0 [pid 568] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 568] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 568] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 568] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 568] exit_group(0) = ? [pid 568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 569 ./strace-static-x86_64: Process 569 attached [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] memfd_create("syzkaller", 0) = 3 [pid 569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 569] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 569] munmap(0x7fadb4162000, 65536) = 0 [pid 569] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 569] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 569] ioctl(4, LOOP_CLR_FD) = 0 [pid 569] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 569] close(4) = 0 [pid 569] close(3) = 0 [pid 569] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 569] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 569] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 569] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 569] exit_group(0) = ? [pid 569] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 570 ./strace-static-x86_64: Process 570 attached [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 570] setpgid(0, 0) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 [pid 570] memfd_create("syzkaller", 0) = 3 [pid 570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 570] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 570] munmap(0x7fadb4162000, 65536) = 0 [pid 570] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 570] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 570] ioctl(4, LOOP_CLR_FD) = 0 [pid 570] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 570] close(4) = 0 [pid 570] close(3) = 0 [pid 570] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 570] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 570] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 570] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 570] exit_group(0) = ? [pid 570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 571 ./strace-static-x86_64: Process 571 attached [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 571] setpgid(0, 0) = 0 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 571] write(3, "1000", 4) = 4 [pid 571] close(3) = 0 [pid 571] memfd_create("syzkaller", 0) = 3 [pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 571] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 571] munmap(0x7fadb4162000, 65536) = 0 [pid 571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 571] ioctl(4, LOOP_CLR_FD) = 0 [pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 571] close(4) = 0 [pid 571] close(3) = 0 [pid 571] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 571] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 571] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 571] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 571] exit_group(0) = ? [pid 571] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 572 ./strace-static-x86_64: Process 572 attached [pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 572] setpgid(0, 0) = 0 [pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 572] write(3, "1000", 4) = 4 [pid 572] close(3) = 0 [pid 572] memfd_create("syzkaller", 0) = 3 [pid 572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 572] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 572] munmap(0x7fadb4162000, 65536) = 0 [pid 572] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 572] ioctl(4, LOOP_CLR_FD) = 0 [pid 572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 572] close(4) = 0 [pid 572] close(3) = 0 [pid 572] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 572] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 572] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 572] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 572] exit_group(0) = ? [pid 572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 573 ./strace-static-x86_64: Process 573 attached [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 573] setpgid(0, 0) = 0 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 573] write(3, "1000", 4) = 4 [pid 573] close(3) = 0 [pid 573] memfd_create("syzkaller", 0) = 3 [pid 573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 573] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 573] munmap(0x7fadb4162000, 65536) = 0 [pid 573] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 573] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 573] ioctl(4, LOOP_CLR_FD) = 0 [pid 573] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 573] close(4) = 0 [pid 573] close(3) = 0 [pid 573] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 573] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 573] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 573] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 573] exit_group(0) = ? [pid 573] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 574 ./strace-static-x86_64: Process 574 attached [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 574] setpgid(0, 0) = 0 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 574] write(3, "1000", 4) = 4 [pid 574] close(3) = 0 [pid 574] memfd_create("syzkaller", 0) = 3 [pid 574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 574] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 574] munmap(0x7fadb4162000, 65536) = 0 [pid 574] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 574] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 574] ioctl(4, LOOP_CLR_FD) = 0 [pid 574] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 574] close(4) = 0 [pid 574] close(3) = 0 [pid 574] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 574] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 574] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 574] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 574] exit_group(0) = ? [pid 574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 575 ./strace-static-x86_64: Process 575 attached [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 575] setpgid(0, 0) = 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 [pid 575] memfd_create("syzkaller", 0) = 3 [pid 575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 575] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 575] munmap(0x7fadb4162000, 65536) = 0 [pid 575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 575] ioctl(4, LOOP_CLR_FD) = 0 [pid 575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 575] close(4) = 0 [pid 575] close(3) = 0 [pid 575] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 575] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 575] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 575] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 575] exit_group(0) = ? [pid 575] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 576 ./strace-static-x86_64: Process 576 attached [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 576] setpgid(0, 0) = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 576] write(3, "1000", 4) = 4 [pid 576] close(3) = 0 [pid 576] memfd_create("syzkaller", 0) = 3 [pid 576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 576] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 576] munmap(0x7fadb4162000, 65536) = 0 [pid 576] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 576] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 576] ioctl(4, LOOP_CLR_FD) = 0 [pid 576] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 576] close(4) = 0 [pid 576] close(3) = 0 [pid 576] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 576] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 576] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 576] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 576] exit_group(0) = ? [pid 576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 577 ./strace-static-x86_64: Process 577 attached [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 577] setpgid(0, 0) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] memfd_create("syzkaller", 0) = 3 [pid 577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 577] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 577] munmap(0x7fadb4162000, 65536) = 0 [pid 577] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 577] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 577] ioctl(4, LOOP_CLR_FD) = 0 [pid 577] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 577] close(4) = 0 [pid 577] close(3) = 0 [pid 577] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 577] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 577] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 577] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 577] exit_group(0) = ? [pid 577] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 578 ./strace-static-x86_64: Process 578 attached [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 578] write(3, "1000", 4) = 4 [pid 578] close(3) = 0 [pid 578] memfd_create("syzkaller", 0) = 3 [pid 578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 578] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 578] munmap(0x7fadb4162000, 65536) = 0 [pid 578] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 578] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 578] ioctl(4, LOOP_CLR_FD) = 0 [pid 578] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 578] close(4) = 0 [pid 578] close(3) = 0 [pid 578] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 578] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 578] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 578] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 578] exit_group(0) = ? [pid 578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 579 ./strace-static-x86_64: Process 579 attached [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 579] setpgid(0, 0) = 0 [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 579] write(3, "1000", 4) = 4 [pid 579] close(3) = 0 [pid 579] memfd_create("syzkaller", 0) = 3 [pid 579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 579] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 579] munmap(0x7fadb4162000, 65536) = 0 [pid 579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 579] ioctl(4, LOOP_CLR_FD) = 0 [pid 579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 579] close(4) = 0 [pid 579] close(3) = 0 [pid 579] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 579] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 579] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 579] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 579] exit_group(0) = ? [pid 579] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 580 ./strace-static-x86_64: Process 580 attached [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 580] setpgid(0, 0) = 0 [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 580] write(3, "1000", 4) = 4 [pid 580] close(3) = 0 [pid 580] memfd_create("syzkaller", 0) = 3 [pid 580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 580] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 580] munmap(0x7fadb4162000, 65536) = 0 [pid 580] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 580] ioctl(4, LOOP_CLR_FD) = 0 [pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 580] close(4) = 0 [pid 580] close(3) = 0 [pid 580] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 580] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 580] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 580] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 580] exit_group(0) = ? [pid 580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 581 attached , child_tidptr=0x5555556395d0) = 581 [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 581] setpgid(0, 0) = 0 [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 581] write(3, "1000", 4) = 4 [pid 581] close(3) = 0 [pid 581] memfd_create("syzkaller", 0) = 3 [pid 581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 581] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 581] munmap(0x7fadb4162000, 65536) = 0 [pid 581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 581] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 581] ioctl(4, LOOP_CLR_FD) = 0 [pid 581] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 581] close(4) = 0 [pid 581] close(3) = 0 [pid 581] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 581] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 581] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 581] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 581] exit_group(0) = ? [pid 581] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=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 583 attached , child_tidptr=0x5555556395d0) = 583 [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 583] setpgid(0, 0) = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 583] write(3, "1000", 4) = 4 [pid 583] close(3) = 0 [pid 583] memfd_create("syzkaller", 0) = 3 [pid 583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 583] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 583] munmap(0x7fadb4162000, 65536) = 0 [pid 583] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 583] ioctl(4, LOOP_CLR_FD) = 0 [pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 583] close(4) = 0 [pid 583] close(3) = 0 [pid 583] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 583] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 583] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 583] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 583] exit_group(0) = ? [pid 583] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=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 584 attached , child_tidptr=0x5555556395d0) = 584 [pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 584] setpgid(0, 0) = 0 [pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 584] write(3, "1000", 4) = 4 [pid 584] close(3) = 0 [pid 584] memfd_create("syzkaller", 0) = 3 [pid 584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 584] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 584] munmap(0x7fadb4162000, 65536) = 0 [pid 584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 584] ioctl(4, LOOP_CLR_FD) = 0 [pid 584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 584] close(4) = 0 [pid 584] close(3) = 0 [pid 584] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 584] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 584] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 584] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 584] exit_group(0) = ? [pid 584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 585 ./strace-static-x86_64: Process 585 attached [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 585] setpgid(0, 0) = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 585] write(3, "1000", 4) = 4 [pid 585] close(3) = 0 [pid 585] memfd_create("syzkaller", 0) = 3 [pid 585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 585] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 585] munmap(0x7fadb4162000, 65536) = 0 [pid 585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 585] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 585] ioctl(4, LOOP_CLR_FD) = 0 [pid 585] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 585] close(4) = 0 [pid 585] close(3) = 0 [pid 585] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 585] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 585] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 585] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 585] exit_group(0) = ? [pid 585] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 586 attached , child_tidptr=0x5555556395d0) = 586 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 586] memfd_create("syzkaller", 0) = 3 [pid 586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 586] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 586] munmap(0x7fadb4162000, 65536) = 0 [pid 586] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 586] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 586] ioctl(4, LOOP_CLR_FD) = 0 [pid 586] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 586] close(4) = 0 [pid 586] close(3) = 0 [pid 586] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 586] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 586] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 586] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 586] exit_group(0) = ? [pid 586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 587 ./strace-static-x86_64: Process 587 attached [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 587] setpgid(0, 0) = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 587] write(3, "1000", 4) = 4 [pid 587] close(3) = 0 [pid 587] memfd_create("syzkaller", 0) = 3 [pid 587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 587] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 587] munmap(0x7fadb4162000, 65536) = 0 [pid 587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 587] ioctl(4, LOOP_CLR_FD) = 0 [pid 587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 587] close(4) = 0 [pid 587] close(3) = 0 [pid 587] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 587] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 587] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 587] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 587] exit_group(0) = ? [pid 587] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 588 ./strace-static-x86_64: Process 588 attached [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 588] setpgid(0, 0) = 0 [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 588] write(3, "1000", 4) = 4 [pid 588] close(3) = 0 [pid 588] memfd_create("syzkaller", 0) = 3 [pid 588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 588] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 588] munmap(0x7fadb4162000, 65536) = 0 [pid 588] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 588] ioctl(4, LOOP_CLR_FD) = 0 [pid 588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 588] close(4) = 0 [pid 588] close(3) = 0 [pid 588] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 588] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 588] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 588] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 588] exit_group(0) = ? [pid 588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 589 attached [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 589 [pid 589] <... prctl resumed>) = 0 [pid 589] setpgid(0, 0) = 0 [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3) = 0 [pid 589] memfd_create("syzkaller", 0) = 3 [pid 589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 589] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 589] munmap(0x7fadb4162000, 65536) = 0 [pid 589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 589] ioctl(4, LOOP_CLR_FD) = 0 [pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 589] close(4) = 0 [pid 589] close(3) = 0 [pid 589] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 589] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 589] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 589] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 589] exit_group(0) = ? [pid 589] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 590 attached , child_tidptr=0x5555556395d0) = 590 [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 590] setpgid(0, 0) = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 590] write(3, "1000", 4) = 4 [pid 590] close(3) = 0 [pid 590] memfd_create("syzkaller", 0) = 3 [pid 590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 590] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 590] munmap(0x7fadb4162000, 65536) = 0 [pid 590] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 590] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 590] ioctl(4, LOOP_CLR_FD) = 0 [pid 590] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 590] close(4) = 0 [pid 590] close(3) = 0 [pid 590] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 590] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 590] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 590] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 590] exit_group(0) = ? [pid 590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 591 ./strace-static-x86_64: Process 591 attached [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] setpgid(0, 0) = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 591] memfd_create("syzkaller", 0) = 3 [pid 591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 591] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 591] munmap(0x7fadb4162000, 65536) = 0 [pid 591] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 591] ioctl(4, LOOP_CLR_FD) = 0 [pid 591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 591] close(4) = 0 [pid 591] close(3) = 0 [pid 591] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 591] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 591] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 591] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 591] exit_group(0) = ? [pid 591] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 592 ./strace-static-x86_64: Process 592 attached [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 592] memfd_create("syzkaller", 0) = 3 [pid 592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 592] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 592] munmap(0x7fadb4162000, 65536) = 0 [pid 592] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 592] ioctl(4, LOOP_CLR_FD) = 0 [pid 592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 592] close(4) = 0 [pid 592] close(3) = 0 [pid 592] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 592] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 592] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 592] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 592] exit_group(0) = ? [pid 592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 593 ./strace-static-x86_64: Process 593 attached [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 593] write(3, "1000", 4) = 4 [pid 593] close(3) = 0 [pid 593] memfd_create("syzkaller", 0) = 3 [pid 593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 593] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 593] munmap(0x7fadb4162000, 65536) = 0 [pid 593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 593] ioctl(4, LOOP_CLR_FD) = 0 [pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 593] close(4) = 0 [pid 593] close(3) = 0 [pid 593] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 593] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 593] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 593] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 593] exit_group(0) = ? [pid 593] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 594 attached , child_tidptr=0x5555556395d0) = 594 [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3) = 0 [pid 594] memfd_create("syzkaller", 0) = 3 [pid 594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 594] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 594] munmap(0x7fadb4162000, 65536) = 0 [pid 594] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 594] ioctl(4, LOOP_CLR_FD) = 0 [pid 594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 594] close(4) = 0 [pid 594] close(3) = 0 [pid 594] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 594] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 594] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 594] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 594] exit_group(0) = ? [pid 594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 595 ./strace-static-x86_64: Process 595 attached [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] memfd_create("syzkaller", 0) = 3 [pid 595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 595] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 595] munmap(0x7fadb4162000, 65536) = 0 [pid 595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 595] ioctl(4, LOOP_CLR_FD) = 0 [pid 595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 595] close(4) = 0 [pid 595] close(3) = 0 [pid 595] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 595] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 595] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 595] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 595] exit_group(0) = ? [pid 595] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 596 attached , child_tidptr=0x5555556395d0) = 596 [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 596] setpgid(0, 0) = 0 [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 596] write(3, "1000", 4) = 4 [pid 596] close(3) = 0 [pid 596] memfd_create("syzkaller", 0) = 3 [pid 596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 596] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 596] munmap(0x7fadb4162000, 65536) = 0 [pid 596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 596] ioctl(4, LOOP_CLR_FD) = 0 [pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 596] close(4) = 0 [pid 596] close(3) = 0 [pid 596] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 596] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 596] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 596] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 596] exit_group(0) = ? [pid 596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 597 ./strace-static-x86_64: Process 597 attached [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 597] setpgid(0, 0) = 0 [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 597] write(3, "1000", 4) = 4 [pid 597] close(3) = 0 [pid 597] memfd_create("syzkaller", 0) = 3 [pid 597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 597] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 597] munmap(0x7fadb4162000, 65536) = 0 [pid 597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 597] ioctl(4, LOOP_CLR_FD) = 0 [pid 597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 597] close(4) = 0 [pid 597] close(3) = 0 [pid 597] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 597] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 597] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 597] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 597] exit_group(0) = ? [pid 597] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 598 ./strace-static-x86_64: Process 598 attached [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 598] setpgid(0, 0) = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 598] write(3, "1000", 4) = 4 [pid 598] close(3) = 0 [pid 598] memfd_create("syzkaller", 0) = 3 [pid 598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 598] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 598] munmap(0x7fadb4162000, 65536) = 0 [pid 598] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 598] ioctl(4, LOOP_CLR_FD) = 0 [pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 598] close(4) = 0 [pid 598] close(3) = 0 [pid 598] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 598] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 598] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 598] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 598] exit_group(0) = ? [pid 598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 599 ./strace-static-x86_64: Process 599 attached [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 599] setpgid(0, 0) = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 599] close(3) = 0 [pid 599] memfd_create("syzkaller", 0) = 3 [pid 599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 599] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 599] munmap(0x7fadb4162000, 65536) = 0 [pid 599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 599] ioctl(4, LOOP_CLR_FD) = 0 [pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 599] close(4) = 0 [pid 599] close(3) = 0 [pid 599] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 599] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 599] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 599] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 599] exit_group(0) = ? [pid 599] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 [ 30.136390][ T598] syz-executor222 (598) used greatest stack depth: 22360 bytes left close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 600 attached , child_tidptr=0x5555556395d0) = 600 [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 600] setpgid(0, 0) = 0 [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 600] write(3, "1000", 4) = 4 [pid 600] close(3) = 0 [pid 600] memfd_create("syzkaller", 0) = 3 [pid 600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 600] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 600] munmap(0x7fadb4162000, 65536) = 0 [pid 600] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 600] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 600] ioctl(4, LOOP_CLR_FD) = 0 [pid 600] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 600] close(4) = 0 [pid 600] close(3) = 0 [pid 600] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 600] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 600] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 600] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 600] exit_group(0) = ? [pid 600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 601 ./strace-static-x86_64: Process 601 attached [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 [pid 601] memfd_create("syzkaller", 0) = 3 [pid 601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 601] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 601] munmap(0x7fadb4162000, 65536) = 0 [pid 601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 601] ioctl(4, LOOP_CLR_FD) = 0 [pid 601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 601] close(4) = 0 [pid 601] close(3) = 0 [pid 601] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 601] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 601] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 601] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 601] exit_group(0) = ? [pid 601] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 602 attached , child_tidptr=0x5555556395d0) = 602 [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 602] setpgid(0, 0) = 0 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 [pid 602] memfd_create("syzkaller", 0) = 3 [pid 602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 602] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 602] munmap(0x7fadb4162000, 65536) = 0 [pid 602] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 602] ioctl(4, LOOP_CLR_FD) = 0 [pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 602] close(4) = 0 [pid 602] close(3) = 0 [pid 602] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 602] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 602] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 602] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 602] exit_group(0) = ? [pid 602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 604 ./strace-static-x86_64: Process 604 attached [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 604] setpgid(0, 0) = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 604] write(3, "1000", 4) = 4 [pid 604] close(3) = 0 [pid 604] memfd_create("syzkaller", 0) = 3 [pid 604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 604] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 604] munmap(0x7fadb4162000, 65536) = 0 [pid 604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 604] ioctl(4, LOOP_CLR_FD) = 0 [pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 604] close(4) = 0 [pid 604] close(3) = 0 [pid 604] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 604] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 604] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 604] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 604] exit_group(0) = ? [pid 604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 605 ./strace-static-x86_64: Process 605 attached [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 605] setpgid(0, 0) = 0 [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 605] write(3, "1000", 4) = 4 [pid 605] close(3) = 0 [pid 605] memfd_create("syzkaller", 0) = 3 [pid 605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 605] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 605] munmap(0x7fadb4162000, 65536) = 0 [pid 605] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 605] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 605] ioctl(4, LOOP_CLR_FD) = 0 [pid 605] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 605] close(4) = 0 [pid 605] close(3) = 0 [pid 605] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 605] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 605] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 605] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 605] exit_group(0) = ? [pid 605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 606 ./strace-static-x86_64: Process 606 attached [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 606] setpgid(0, 0) = 0 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 606] write(3, "1000", 4) = 4 [pid 606] close(3) = 0 [pid 606] memfd_create("syzkaller", 0) = 3 [pid 606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 606] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 606] munmap(0x7fadb4162000, 65536) = 0 [pid 606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 606] ioctl(4, LOOP_CLR_FD) = 0 [pid 606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 606] close(4) = 0 [pid 606] close(3) = 0 [pid 606] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 606] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 606] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 606] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 606] exit_group(0) = ? [pid 606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 607 ./strace-static-x86_64: Process 607 attached [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 607] setpgid(0, 0) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3) = 0 [pid 607] memfd_create("syzkaller", 0) = 3 [pid 607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 607] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 607] munmap(0x7fadb4162000, 65536) = 0 [pid 607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 607] ioctl(4, LOOP_CLR_FD) = 0 [pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 607] close(4) = 0 [pid 607] close(3) = 0 [pid 607] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 607] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 607] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 607] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 607] exit_group(0) = ? [pid 607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 608 ./strace-static-x86_64: Process 608 attached [pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 608] setpgid(0, 0) = 0 [pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 608] write(3, "1000", 4) = 4 [pid 608] close(3) = 0 [pid 608] memfd_create("syzkaller", 0) = 3 [pid 608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 608] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 608] munmap(0x7fadb4162000, 65536) = 0 [pid 608] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 608] ioctl(4, LOOP_CLR_FD) = 0 [pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 608] close(4) = 0 [pid 608] close(3) = 0 [pid 608] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 608] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 608] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 608] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 608] exit_group(0) = ? [pid 608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 609 ./strace-static-x86_64: Process 609 attached [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 609] memfd_create("syzkaller", 0) = 3 [pid 609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 609] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 609] munmap(0x7fadb4162000, 65536) = 0 [pid 609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 609] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 609] ioctl(4, LOOP_CLR_FD) = 0 [pid 609] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 609] close(4) = 0 [pid 609] close(3) = 0 [pid 609] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 609] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 609] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 609] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 609] exit_group(0) = ? [pid 609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 610 ./strace-static-x86_64: Process 610 attached [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 610] setpgid(0, 0) = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 610] write(3, "1000", 4) = 4 [pid 610] close(3) = 0 [pid 610] memfd_create("syzkaller", 0) = 3 [pid 610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 610] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 610] munmap(0x7fadb4162000, 65536) = 0 [pid 610] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 610] ioctl(4, LOOP_CLR_FD) = 0 [pid 610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 610] close(4) = 0 [pid 610] close(3) = 0 [pid 610] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 610] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 610] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 610] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 610] exit_group(0) = ? [pid 610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 611 ./strace-static-x86_64: Process 611 attached [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 [pid 611] memfd_create("syzkaller", 0) = 3 [pid 611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 611] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 611] munmap(0x7fadb4162000, 65536) = 0 [pid 611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 611] ioctl(4, LOOP_CLR_FD) = 0 [pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 611] close(4) = 0 [pid 611] close(3) = 0 [pid 611] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 611] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 611] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 611] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 611] exit_group(0) = ? [pid 611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 612 ./strace-static-x86_64: Process 612 attached [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 612] setpgid(0, 0) = 0 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 612] write(3, "1000", 4) = 4 [pid 612] close(3) = 0 [pid 612] memfd_create("syzkaller", 0) = 3 [pid 612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 612] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 612] munmap(0x7fadb4162000, 65536) = 0 [pid 612] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 612] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 612] ioctl(4, LOOP_CLR_FD) = 0 [pid 612] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 612] close(4) = 0 [pid 612] close(3) = 0 [pid 612] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 612] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 612] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 612] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 612] exit_group(0) = ? [pid 612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 613 attached , child_tidptr=0x5555556395d0) = 613 [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 613] setpgid(0, 0) = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] memfd_create("syzkaller", 0) = 3 [pid 613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 613] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 613] munmap(0x7fadb4162000, 65536) = 0 [pid 613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 613] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 613] ioctl(4, LOOP_CLR_FD) = 0 [pid 613] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 613] close(4) = 0 [pid 613] close(3) = 0 [pid 613] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 613] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 613] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 613] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 613] exit_group(0) = ? [pid 613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 614 ./strace-static-x86_64: Process 614 attached [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 614] setpgid(0, 0) = 0 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3) = 0 [pid 614] memfd_create("syzkaller", 0) = 3 [pid 614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 614] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 614] munmap(0x7fadb4162000, 65536) = 0 [pid 614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 614] ioctl(4, LOOP_CLR_FD) = 0 [pid 614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 614] close(4) = 0 [pid 614] close(3) = 0 [pid 614] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 614] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 614] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 614] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 614] exit_group(0) = ? [pid 614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 615 ./strace-static-x86_64: Process 615 attached [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0) = 0 [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 615] write(3, "1000", 4) = 4 [pid 615] close(3) = 0 [pid 615] memfd_create("syzkaller", 0) = 3 [pid 615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 615] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 615] munmap(0x7fadb4162000, 65536) = 0 [pid 615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 615] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 615] ioctl(4, LOOP_CLR_FD) = 0 [pid 615] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 615] close(4) = 0 [pid 615] close(3) = 0 [pid 615] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 615] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 615] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 615] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 615] exit_group(0) = ? [pid 615] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=615, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 616 ./strace-static-x86_64: Process 616 attached [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3) = 0 [pid 616] memfd_create("syzkaller", 0) = 3 [pid 616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 616] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 616] munmap(0x7fadb4162000, 65536) = 0 [pid 616] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 616] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 616] ioctl(4, LOOP_CLR_FD) = 0 [pid 616] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 616] close(4) = 0 [pid 616] close(3) = 0 [pid 616] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 616] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 616] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 616] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 616] exit_group(0) = ? [pid 616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 617 ./strace-static-x86_64: Process 617 attached [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 617] setpgid(0, 0) = 0 [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 617] write(3, "1000", 4) = 4 [pid 617] close(3) = 0 [pid 617] memfd_create("syzkaller", 0) = 3 [pid 617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 617] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 617] munmap(0x7fadb4162000, 65536) = 0 [pid 617] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 617] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 617] ioctl(4, LOOP_CLR_FD) = 0 [pid 617] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 617] close(4) = 0 [pid 617] close(3) = 0 [pid 617] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 617] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 617] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 617] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 617] exit_group(0) = ? [pid 617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=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 618 attached [pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 408] <... clone resumed>, child_tidptr=0x5555556395d0) = 618 [pid 618] <... prctl resumed>) = 0 [pid 618] setpgid(0, 0) = 0 [pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 618] write(3, "1000", 4) = 4 [pid 618] close(3) = 0 [pid 618] memfd_create("syzkaller", 0) = 3 [pid 618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 618] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 618] munmap(0x7fadb4162000, 65536) = 0 [pid 618] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 618] ioctl(4, LOOP_CLR_FD) = 0 [pid 618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 618] close(4) = 0 [pid 618] close(3) = 0 [pid 618] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 618] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 618] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 618] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 618] exit_group(0) = ? [pid 618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=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 619 attached , child_tidptr=0x5555556395d0) = 619 [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 619] write(3, "1000", 4) = 4 [pid 619] close(3) = 0 [pid 619] memfd_create("syzkaller", 0) = 3 [pid 619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 619] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 619] munmap(0x7fadb4162000, 65536) = 0 [pid 619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 619] ioctl(4, LOOP_CLR_FD) = 0 [pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 619] close(4) = 0 [pid 619] close(3) = 0 [pid 619] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 619] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 619] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 619] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 619] exit_group(0) = ? [pid 619] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 620 ./strace-static-x86_64: Process 620 attached [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 620] setpgid(0, 0) = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 620] write(3, "1000", 4) = 4 [pid 620] close(3) = 0 [pid 620] memfd_create("syzkaller", 0) = 3 [pid 620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 620] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 620] munmap(0x7fadb4162000, 65536) = 0 [pid 620] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 620] ioctl(4, LOOP_CLR_FD) = 0 [pid 620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 620] close(4) = 0 [pid 620] close(3) = 0 [pid 620] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 620] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 620] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 620] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 620] exit_group(0) = ? [pid 620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 621 ./strace-static-x86_64: Process 621 attached [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 621] setpgid(0, 0) = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3) = 0 [pid 621] memfd_create("syzkaller", 0) = 3 [pid 621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 621] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 621] munmap(0x7fadb4162000, 65536) = 0 [pid 621] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 621] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 621] ioctl(4, LOOP_CLR_FD) = 0 [pid 621] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 621] close(4) = 0 [pid 621] close(3) = 0 [pid 621] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 621] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 621] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 621] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 621] exit_group(0) = ? [pid 621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 622 ./strace-static-x86_64: Process 622 attached [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 622] setpgid(0, 0) = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 622] write(3, "1000", 4) = 4 [pid 622] close(3) = 0 [pid 622] memfd_create("syzkaller", 0) = 3 [pid 622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 622] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 622] munmap(0x7fadb4162000, 65536) = 0 [pid 622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 622] ioctl(4, LOOP_CLR_FD) = 0 [pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 622] close(4) = 0 [pid 622] close(3) = 0 [pid 622] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 622] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 622] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 622] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 622] exit_group(0) = ? [pid 622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 623 ./strace-static-x86_64: Process 623 attached [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 623] setpgid(0, 0) = 0 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 623] write(3, "1000", 4) = 4 [pid 623] close(3) = 0 [pid 623] memfd_create("syzkaller", 0) = 3 [pid 623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 623] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 623] munmap(0x7fadb4162000, 65536) = 0 [pid 623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 623] ioctl(4, LOOP_CLR_FD) = 0 [pid 623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 623] close(4) = 0 [pid 623] close(3) = 0 [pid 623] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 623] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 623] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 623] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 623] exit_group(0) = ? [pid 623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 625 ./strace-static-x86_64: Process 625 attached [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 625] setpgid(0, 0) = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 625] write(3, "1000", 4) = 4 [pid 625] close(3) = 0 [pid 625] memfd_create("syzkaller", 0) = 3 [pid 625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 625] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 625] munmap(0x7fadb4162000, 65536) = 0 [pid 625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 625] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 625] ioctl(4, LOOP_CLR_FD) = 0 [pid 625] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 625] close(4) = 0 [pid 625] close(3) = 0 [pid 625] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 625] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 625] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 625] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 625] exit_group(0) = ? [pid 625] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 626 ./strace-static-x86_64: Process 626 attached [pid 626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 626] setpgid(0, 0) = 0 [pid 626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 626] write(3, "1000", 4) = 4 [pid 626] close(3) = 0 [pid 626] memfd_create("syzkaller", 0) = 3 [pid 626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 626] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 626] munmap(0x7fadb4162000, 65536) = 0 [pid 626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 626] ioctl(4, LOOP_CLR_FD) = 0 [pid 626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 626] close(4) = 0 [pid 626] close(3) = 0 [pid 626] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 626] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 626] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 626] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 626] exit_group(0) = ? [pid 626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 627 ./strace-static-x86_64: Process 627 attached [pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 627] setpgid(0, 0) = 0 [pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 627] write(3, "1000", 4) = 4 [pid 627] close(3) = 0 [pid 627] memfd_create("syzkaller", 0) = 3 [pid 627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 627] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 627] munmap(0x7fadb4162000, 65536) = 0 [pid 627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 627] ioctl(4, LOOP_CLR_FD) = 0 [pid 627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 627] close(4) = 0 [pid 627] close(3) = 0 [pid 627] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 627] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 627] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 627] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 627] exit_group(0) = ? [pid 627] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 628 ./strace-static-x86_64: Process 628 attached [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 628] setpgid(0, 0) = 0 [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 628] write(3, "1000", 4) = 4 [pid 628] close(3) = 0 [pid 628] memfd_create("syzkaller", 0) = 3 [pid 628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 628] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 628] munmap(0x7fadb4162000, 65536) = 0 [pid 628] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 628] ioctl(4, LOOP_CLR_FD) = 0 [pid 628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 628] close(4) = 0 [pid 628] close(3) = 0 [pid 628] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 628] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 628] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 628] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 628] exit_group(0) = ? [pid 628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 629 ./strace-static-x86_64: Process 629 attached [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 629] write(3, "1000", 4) = 4 [pid 629] close(3) = 0 [pid 629] memfd_create("syzkaller", 0) = 3 [pid 629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 629] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 629] munmap(0x7fadb4162000, 65536) = 0 [pid 629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 629] ioctl(4, LOOP_CLR_FD) = 0 [pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 629] close(4) = 0 [pid 629] close(3) = 0 [pid 629] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 629] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 629] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 629] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 629] exit_group(0) = ? [pid 629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", 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=0x5555556395d0) = 630 ./strace-static-x86_64: Process 630 attached [pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 630] setpgid(0, 0) = 0 [pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 630] write(3, "1000", 4) = 4 [pid 630] close(3) = 0 [pid 630] memfd_create("syzkaller", 0) = 3 [pid 630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 630] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 630] munmap(0x7fadb4162000, 65536) = 0 [pid 630] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 630] ioctl(4, LOOP_CLR_FD) = 0 [pid 630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 630] close(4) = 0 [pid 630] close(3) = 0 [pid 630] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 630] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 630] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 630] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 630] exit_group(0) = ? [pid 630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 631 ./strace-static-x86_64: Process 631 attached [pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 631] setpgid(0, 0) = 0 [pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 631] write(3, "1000", 4) = 4 [pid 631] close(3) = 0 [pid 631] memfd_create("syzkaller", 0) = 3 [pid 631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 631] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 631] munmap(0x7fadb4162000, 65536) = 0 [pid 631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 631] ioctl(4, LOOP_CLR_FD) = 0 [pid 631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 631] close(4) = 0 [pid 631] close(3) = 0 [pid 631] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 631] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 631] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 631] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 631] exit_group(0) = ? [pid 631] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 632 ./strace-static-x86_64: Process 632 attached [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 632] setpgid(0, 0) = 0 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 632] write(3, "1000", 4) = 4 [pid 632] close(3) = 0 [pid 632] memfd_create("syzkaller", 0) = 3 [pid 632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 632] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 632] munmap(0x7fadb4162000, 65536) = 0 [pid 632] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 632] ioctl(4, LOOP_CLR_FD) = 0 [pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 632] close(4) = 0 [pid 632] close(3) = 0 [pid 632] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 632] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 632] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 632] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 632] exit_group(0) = ? [pid 632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=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 633 attached , child_tidptr=0x5555556395d0) = 633 [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 633] setpgid(0, 0) = 0 [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 633] write(3, "1000", 4) = 4 [pid 633] close(3) = 0 [pid 633] memfd_create("syzkaller", 0) = 3 [pid 633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 633] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 633] munmap(0x7fadb4162000, 65536) = 0 [pid 633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 633] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 633] ioctl(4, LOOP_CLR_FD) = 0 [pid 633] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 633] close(4) = 0 [pid 633] close(3) = 0 [pid 633] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 633] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 633] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 633] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 633] exit_group(0) = ? [pid 633] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 634 attached , child_tidptr=0x5555556395d0) = 634 [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 634] setpgid(0, 0) = 0 [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 634] write(3, "1000", 4) = 4 [pid 634] close(3) = 0 [pid 634] memfd_create("syzkaller", 0) = 3 [pid 634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 634] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 634] munmap(0x7fadb4162000, 65536) = 0 [pid 634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 634] ioctl(4, LOOP_CLR_FD) = 0 [pid 634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 634] close(4) = 0 [pid 634] close(3) = 0 [pid 634] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 634] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 634] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 634] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 634] exit_group(0) = ? [pid 634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 635 attached , child_tidptr=0x5555556395d0) = 635 [pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 635] setpgid(0, 0) = 0 [pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 635] write(3, "1000", 4) = 4 [pid 635] close(3) = 0 [pid 635] memfd_create("syzkaller", 0) = 3 [pid 635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 635] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 635] munmap(0x7fadb4162000, 65536) = 0 [pid 635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 635] ioctl(4, LOOP_CLR_FD) = 0 [pid 635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 635] close(4) = 0 [pid 635] close(3) = 0 [pid 635] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 635] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 635] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 635] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 635] exit_group(0) = ? [pid 635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, si_utime=0, si_stime=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 636 attached , child_tidptr=0x5555556395d0) = 636 [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 636] write(3, "1000", 4) = 4 [pid 636] close(3) = 0 [pid 636] memfd_create("syzkaller", 0) = 3 [pid 636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 636] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 636] munmap(0x7fadb4162000, 65536) = 0 [pid 636] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 636] ioctl(4, LOOP_CLR_FD) = 0 [pid 636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 636] close(4) = 0 [pid 636] close(3) = 0 [pid 636] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 636] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 636] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 636] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 636] exit_group(0) = ? [pid 636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 637 ./strace-static-x86_64: Process 637 attached [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 637] setpgid(0, 0) = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 637] write(3, "1000", 4) = 4 [pid 637] close(3) = 0 [pid 637] memfd_create("syzkaller", 0) = 3 [pid 637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 637] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 637] munmap(0x7fadb4162000, 65536) = 0 [pid 637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 637] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 637] ioctl(4, LOOP_CLR_FD) = 0 [pid 637] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 637] close(4) = 0 [pid 637] close(3) = 0 [pid 637] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 637] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 637] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 637] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 637] exit_group(0) = ? [pid 637] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 638 ./strace-static-x86_64: Process 638 attached [pid 638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 638] setpgid(0, 0) = 0 [pid 638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 638] write(3, "1000", 4) = 4 [pid 638] close(3) = 0 [pid 638] memfd_create("syzkaller", 0) = 3 [pid 638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 638] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 638] munmap(0x7fadb4162000, 65536) = 0 [pid 638] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 638] ioctl(4, LOOP_CLR_FD) = 0 [pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 638] close(4) = 0 [pid 638] close(3) = 0 [pid 638] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 638] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 638] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 638] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 638] exit_group(0) = ? [pid 638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 639 ./strace-static-x86_64: Process 639 attached [pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 639] setpgid(0, 0) = 0 [pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 639] write(3, "1000", 4) = 4 [pid 639] close(3) = 0 [pid 639] memfd_create("syzkaller", 0) = 3 [pid 639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 639] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 639] munmap(0x7fadb4162000, 65536) = 0 [pid 639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 639] ioctl(4, LOOP_CLR_FD) = 0 [pid 639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 639] close(4) = 0 [pid 639] close(3) = 0 [pid 639] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 639] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 639] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 639] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 639] exit_group(0) = ? [pid 639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 640 ./strace-static-x86_64: Process 640 attached [pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 640] setpgid(0, 0) = 0 [pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 640] write(3, "1000", 4) = 4 [pid 640] close(3) = 0 [pid 640] memfd_create("syzkaller", 0) = 3 [pid 640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 640] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 640] munmap(0x7fadb4162000, 65536) = 0 [pid 640] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 640] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 640] ioctl(4, LOOP_CLR_FD) = 0 [pid 640] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 640] close(4) = 0 [pid 640] close(3) = 0 [pid 640] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 640] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 640] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 640] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 640] exit_group(0) = ? [pid 640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=640, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 641 ./strace-static-x86_64: Process 641 attached [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 641] setpgid(0, 0) = 0 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 641] write(3, "1000", 4) = 4 [pid 641] close(3) = 0 [pid 641] memfd_create("syzkaller", 0) = 3 [pid 641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 641] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 641] munmap(0x7fadb4162000, 65536) = 0 [pid 641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 641] ioctl(4, LOOP_CLR_FD) = 0 [pid 641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 641] close(4) = 0 [pid 641] close(3) = 0 [pid 641] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 641] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 641] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 641] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 641] exit_group(0) = ? [pid 641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 642 ./strace-static-x86_64: Process 642 attached [pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 642] setpgid(0, 0) = 0 [pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 642] write(3, "1000", 4) = 4 [pid 642] close(3) = 0 [pid 642] memfd_create("syzkaller", 0) = 3 [pid 642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 642] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 642] munmap(0x7fadb4162000, 65536) = 0 [pid 642] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 642] ioctl(4, LOOP_CLR_FD) = 0 [pid 642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 642] close(4) = 0 [pid 642] close(3) = 0 [pid 642] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 642] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 642] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 642] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 642] exit_group(0) = ? [pid 642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 643 ./strace-static-x86_64: Process 643 attached [pid 643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 643] setpgid(0, 0) = 0 [pid 643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 643] write(3, "1000", 4) = 4 [pid 643] close(3) = 0 [pid 643] memfd_create("syzkaller", 0) = 3 [pid 643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 643] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 643] munmap(0x7fadb4162000, 65536) = 0 [pid 643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 643] ioctl(4, LOOP_CLR_FD) = 0 [pid 643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 643] close(4) = 0 [pid 643] close(3) = 0 [pid 643] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 643] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 643] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 643] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 643] exit_group(0) = ? [pid 643] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 644 ./strace-static-x86_64: Process 644 attached [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 644] setpgid(0, 0) = 0 [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 644] write(3, "1000", 4) = 4 [pid 644] close(3) = 0 [pid 644] memfd_create("syzkaller", 0) = 3 [pid 644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 644] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 644] munmap(0x7fadb4162000, 65536) = 0 [pid 644] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 644] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 644] ioctl(4, LOOP_CLR_FD) = 0 [pid 644] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 644] close(4) = 0 [pid 644] close(3) = 0 [pid 644] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 644] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 644] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 644] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 644] exit_group(0) = ? [pid 644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- 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=0x5555556395d0) = 646 ./strace-static-x86_64: Process 646 attached [pid 646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 646] setpgid(0, 0) = 0 [pid 646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 646] write(3, "1000", 4) = 4 [pid 646] close(3) = 0 [pid 646] memfd_create("syzkaller", 0) = 3 [pid 646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 646] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 646] munmap(0x7fadb4162000, 65536) = 0 [pid 646] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 646] ioctl(4, LOOP_CLR_FD) = 0 [pid 646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 646] close(4) = 0 [pid 646] close(3) = 0 [pid 646] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 646] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 646] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 646] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 646] exit_group(0) = ? [pid 646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 647 ./strace-static-x86_64: Process 647 attached [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 647] setpgid(0, 0) = 0 [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 647] write(3, "1000", 4) = 4 [pid 647] close(3) = 0 [pid 647] memfd_create("syzkaller", 0) = 3 [pid 647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 647] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 647] munmap(0x7fadb4162000, 65536) = 0 [pid 647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 647] ioctl(4, LOOP_CLR_FD) = 0 [pid 647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 647] close(4) = 0 [pid 647] close(3) = 0 [pid 647] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 647] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 647] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 647] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 647] exit_group(0) = ? [pid 647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 648 ./strace-static-x86_64: Process 648 attached [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 648] setpgid(0, 0) = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 648] write(3, "1000", 4) = 4 [pid 648] close(3) = 0 [pid 648] memfd_create("syzkaller", 0) = 3 [pid 648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 648] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 648] munmap(0x7fadb4162000, 65536) = 0 [pid 648] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 648] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 648] ioctl(4, LOOP_CLR_FD) = 0 [pid 648] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 648] close(4) = 0 [pid 648] close(3) = 0 [pid 648] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 648] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 648] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 648] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 648] exit_group(0) = ? [pid 648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 649 ./strace-static-x86_64: Process 649 attached [pid 649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 649] setpgid(0, 0) = 0 [pid 649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 649] write(3, "1000", 4) = 4 [pid 649] close(3) = 0 [pid 649] memfd_create("syzkaller", 0) = 3 [pid 649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 649] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 649] munmap(0x7fadb4162000, 65536) = 0 [pid 649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 649] ioctl(4, LOOP_CLR_FD) = 0 [pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 649] close(4) = 0 [pid 649] close(3) = 0 [pid 649] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 649] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 649] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 649] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 649] exit_group(0) = ? [pid 649] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 650 ./strace-static-x86_64: Process 650 attached [pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 650] setpgid(0, 0) = 0 [pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 650] write(3, "1000", 4) = 4 [pid 650] close(3) = 0 [pid 650] memfd_create("syzkaller", 0) = 3 [pid 650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 650] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 650] munmap(0x7fadb4162000, 65536) = 0 [pid 650] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 650] ioctl(4, LOOP_CLR_FD) = 0 [pid 650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 650] close(4) = 0 [pid 650] close(3) = 0 [pid 650] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 650] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 650] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 650] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 650] exit_group(0) = ? [pid 650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 651 ./strace-static-x86_64: Process 651 attached [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 651] setpgid(0, 0) = 0 [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 651] write(3, "1000", 4) = 4 [pid 651] close(3) = 0 [pid 651] memfd_create("syzkaller", 0) = 3 [pid 651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 651] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 651] munmap(0x7fadb4162000, 65536) = 0 [pid 651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 651] ioctl(4, LOOP_CLR_FD) = 0 [pid 651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 651] close(4) = 0 [pid 651] close(3) = 0 [pid 651] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 651] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 651] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 651] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 651] exit_group(0) = ? [pid 651] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 652 ./strace-static-x86_64: Process 652 attached [pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 652] setpgid(0, 0) = 0 [pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 652] write(3, "1000", 4) = 4 [pid 652] close(3) = 0 [pid 652] memfd_create("syzkaller", 0) = 3 [pid 652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 652] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 652] munmap(0x7fadb4162000, 65536) = 0 [pid 652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 652] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 652] ioctl(4, LOOP_CLR_FD) = 0 [pid 652] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 652] close(4) = 0 [pid 652] close(3) = 0 [pid 652] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 652] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 652] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 652] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 652] exit_group(0) = ? [pid 652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 653 ./strace-static-x86_64: Process 653 attached [pid 653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 653] setpgid(0, 0) = 0 [pid 653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 653] write(3, "1000", 4) = 4 [pid 653] close(3) = 0 [pid 653] memfd_create("syzkaller", 0) = 3 [pid 653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 653] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 653] munmap(0x7fadb4162000, 65536) = 0 [pid 653] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 653] ioctl(4, LOOP_CLR_FD) = 0 [pid 653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 653] close(4) = 0 [pid 653] close(3) = 0 [pid 653] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 653] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 653] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 653] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 653] exit_group(0) = ? [pid 653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 654 ./strace-static-x86_64: Process 654 attached [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 654] setpgid(0, 0) = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 654] write(3, "1000", 4) = 4 [pid 654] close(3) = 0 [pid 654] memfd_create("syzkaller", 0) = 3 [pid 654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 654] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 654] munmap(0x7fadb4162000, 65536) = 0 [pid 654] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 654] ioctl(4, LOOP_CLR_FD) = 0 [pid 654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 654] close(4) = 0 [pid 654] close(3) = 0 [pid 654] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 654] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 654] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 654] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 654] exit_group(0) = ? [pid 654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 655 attached , child_tidptr=0x5555556395d0) = 655 [pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 655] setpgid(0, 0) = 0 [pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 655] write(3, "1000", 4) = 4 [pid 655] close(3) = 0 [pid 655] memfd_create("syzkaller", 0) = 3 [pid 655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 655] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 655] munmap(0x7fadb4162000, 65536) = 0 [pid 655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 655] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 655] ioctl(4, LOOP_CLR_FD) = 0 [pid 655] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 655] close(4) = 0 [pid 655] close(3) = 0 [pid 655] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 655] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 655] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 655] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 655] exit_group(0) = ? [pid 655] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 656 ./strace-static-x86_64: Process 656 attached [pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 656] setpgid(0, 0) = 0 [pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 656] write(3, "1000", 4) = 4 [pid 656] close(3) = 0 [pid 656] memfd_create("syzkaller", 0) = 3 [pid 656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 656] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 656] munmap(0x7fadb4162000, 65536) = 0 [pid 656] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 656] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 656] ioctl(4, LOOP_CLR_FD) = 0 [pid 656] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 656] close(4) = 0 [pid 656] close(3) = 0 [pid 656] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 656] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 656] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 656] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 656] exit_group(0) = ? [pid 656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 657 ./strace-static-x86_64: Process 657 attached [pid 657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 657] setpgid(0, 0) = 0 [pid 657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 657] write(3, "1000", 4) = 4 [pid 657] close(3) = 0 [pid 657] memfd_create("syzkaller", 0) = 3 [pid 657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 657] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 657] munmap(0x7fadb4162000, 65536) = 0 [pid 657] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 657] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 657] ioctl(4, LOOP_CLR_FD) = 0 [pid 657] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 657] close(4) = 0 [pid 657] close(3) = 0 [pid 657] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 657] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 657] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 657] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 657] exit_group(0) = ? [pid 657] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=657, si_uid=0, si_status=0, si_utime=0, si_stime=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 658 attached , child_tidptr=0x5555556395d0) = 658 [pid 658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 658] setpgid(0, 0) = 0 [pid 658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 658] write(3, "1000", 4) = 4 [pid 658] close(3) = 0 [pid 658] memfd_create("syzkaller", 0) = 3 [pid 658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 658] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 658] munmap(0x7fadb4162000, 65536) = 0 [pid 658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 658] ioctl(4, LOOP_CLR_FD) = 0 [pid 658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 658] close(4) = 0 [pid 658] close(3) = 0 [pid 658] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 658] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 658] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 658] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 658] exit_group(0) = ? [pid 658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=658, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 659 ./strace-static-x86_64: Process 659 attached [pid 659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 659] setpgid(0, 0) = 0 [pid 659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 659] write(3, "1000", 4) = 4 [pid 659] close(3) = 0 [pid 659] memfd_create("syzkaller", 0) = 3 [pid 659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 659] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 659] munmap(0x7fadb4162000, 65536) = 0 [pid 659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 659] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 659] ioctl(4, LOOP_CLR_FD) = 0 [pid 659] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 659] close(4) = 0 [pid 659] close(3) = 0 [pid 659] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 659] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 659] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 659] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 659] exit_group(0) = ? [pid 659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 660 ./strace-static-x86_64: Process 660 attached [pid 660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 660] setpgid(0, 0) = 0 [pid 660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 660] write(3, "1000", 4) = 4 [pid 660] close(3) = 0 [pid 660] memfd_create("syzkaller", 0) = 3 [pid 660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 660] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 660] munmap(0x7fadb4162000, 65536) = 0 [pid 660] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 660] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 660] ioctl(4, LOOP_CLR_FD) = 0 [pid 660] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 660] close(4) = 0 [pid 660] close(3) = 0 [pid 660] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 660] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 660] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 660] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 660] exit_group(0) = ? [pid 660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 661 ./strace-static-x86_64: Process 661 attached [pid 661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 661] setpgid(0, 0) = 0 [pid 661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 661] write(3, "1000", 4) = 4 [pid 661] close(3) = 0 [pid 661] memfd_create("syzkaller", 0) = 3 [pid 661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 661] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 661] munmap(0x7fadb4162000, 65536) = 0 [pid 661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 661] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 661] ioctl(4, LOOP_CLR_FD) = 0 [pid 661] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 661] close(4) = 0 [pid 661] close(3) = 0 [pid 661] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 661] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 661] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 661] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 661] exit_group(0) = ? [pid 661] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 662 attached , child_tidptr=0x5555556395d0) = 662 [pid 662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 662] setpgid(0, 0) = 0 [pid 662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 662] write(3, "1000", 4) = 4 [pid 662] close(3) = 0 [pid 662] memfd_create("syzkaller", 0) = 3 [pid 662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 662] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 662] munmap(0x7fadb4162000, 65536) = 0 [pid 662] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 662] ioctl(4, LOOP_CLR_FD) = 0 [pid 662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 662] close(4) = 0 [pid 662] close(3) = 0 [pid 662] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 662] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 662] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 662] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 662] exit_group(0) = ? [pid 662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=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 663 attached , child_tidptr=0x5555556395d0) = 663 [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 663] setpgid(0, 0) = 0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 663] write(3, "1000", 4) = 4 [pid 663] close(3) = 0 [pid 663] memfd_create("syzkaller", 0) = 3 [pid 663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 663] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 663] munmap(0x7fadb4162000, 65536) = 0 [pid 663] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 663] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 663] ioctl(4, LOOP_CLR_FD) = 0 [pid 663] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 663] close(4) = 0 [pid 663] close(3) = 0 [pid 663] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 663] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 663] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 663] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 663] exit_group(0) = ? [pid 663] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 664 attached , child_tidptr=0x5555556395d0) = 664 [pid 664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 664] setpgid(0, 0) = 0 [pid 664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 664] write(3, "1000", 4) = 4 [pid 664] close(3) = 0 [pid 664] memfd_create("syzkaller", 0) = 3 [pid 664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 664] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 664] munmap(0x7fadb4162000, 65536) = 0 [pid 664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 664] ioctl(4, LOOP_CLR_FD) = 0 [pid 664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 664] close(4) = 0 [pid 664] close(3) = 0 [pid 664] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 664] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 664] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 664] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 664] exit_group(0) = ? [pid 664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 665 ./strace-static-x86_64: Process 665 attached [pid 665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 665] setpgid(0, 0) = 0 [pid 665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 665] write(3, "1000", 4) = 4 [pid 665] close(3) = 0 [pid 665] memfd_create("syzkaller", 0) = 3 [pid 665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 665] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 665] munmap(0x7fadb4162000, 65536) = 0 [pid 665] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 665] ioctl(4, LOOP_CLR_FD) = 0 [pid 665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 665] close(4) = 0 [pid 665] close(3) = 0 [pid 665] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 665] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 665] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 665] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 665] exit_group(0) = ? [pid 665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 667 ./strace-static-x86_64: Process 667 attached [pid 667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 667] setpgid(0, 0) = 0 [pid 667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 667] write(3, "1000", 4) = 4 [pid 667] close(3) = 0 [pid 667] memfd_create("syzkaller", 0) = 3 [pid 667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 667] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 667] munmap(0x7fadb4162000, 65536) = 0 [pid 667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 667] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 667] ioctl(4, LOOP_CLR_FD) = 0 [pid 667] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 667] close(4) = 0 [pid 667] close(3) = 0 [pid 667] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 667] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 667] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 667] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 667] exit_group(0) = ? [pid 667] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 668 ./strace-static-x86_64: Process 668 attached [pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 668] setpgid(0, 0) = 0 [pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 668] write(3, "1000", 4) = 4 [pid 668] close(3) = 0 [pid 668] memfd_create("syzkaller", 0) = 3 [pid 668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 668] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 668] munmap(0x7fadb4162000, 65536) = 0 [pid 668] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 668] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 668] ioctl(4, LOOP_CLR_FD) = 0 [pid 668] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 668] close(4) = 0 [pid 668] close(3) = 0 [pid 668] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 668] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 668] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 668] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 668] exit_group(0) = ? [pid 668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 669 ./strace-static-x86_64: Process 669 attached [pid 669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 669] setpgid(0, 0) = 0 [pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 669] write(3, "1000", 4) = 4 [pid 669] close(3) = 0 [pid 669] memfd_create("syzkaller", 0) = 3 [pid 669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 669] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 669] munmap(0x7fadb4162000, 65536) = 0 [pid 669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 669] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 669] ioctl(4, LOOP_CLR_FD) = 0 [pid 669] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 669] close(4) = 0 [pid 669] close(3) = 0 [pid 669] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 669] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 669] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 669] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 669] exit_group(0) = ? [pid 669] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 670 ./strace-static-x86_64: Process 670 attached [pid 670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 670] setpgid(0, 0) = 0 [pid 670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 670] write(3, "1000", 4) = 4 [pid 670] close(3) = 0 [pid 670] memfd_create("syzkaller", 0) = 3 [pid 670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 670] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 670] munmap(0x7fadb4162000, 65536) = 0 [pid 670] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 670] ioctl(4, LOOP_CLR_FD) = 0 [pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 670] close(4) = 0 [pid 670] close(3) = 0 [pid 670] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 670] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 670] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 670] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 670] exit_group(0) = ? [pid 670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 671 ./strace-static-x86_64: Process 671 attached [pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 671] setpgid(0, 0) = 0 [pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 671] write(3, "1000", 4) = 4 [pid 671] close(3) = 0 [pid 671] memfd_create("syzkaller", 0) = 3 [pid 671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 671] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 671] munmap(0x7fadb4162000, 65536) = 0 [pid 671] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 671] ioctl(4, LOOP_CLR_FD) = 0 [pid 671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 671] close(4) = 0 [pid 671] close(3) = 0 [pid 671] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 671] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 671] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 671] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 671] exit_group(0) = ? [pid 671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 672 ./strace-static-x86_64: Process 672 attached [pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 672] setpgid(0, 0) = 0 [pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 672] write(3, "1000", 4) = 4 [pid 672] close(3) = 0 [pid 672] memfd_create("syzkaller", 0) = 3 [pid 672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 672] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 672] munmap(0x7fadb4162000, 65536) = 0 [pid 672] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 672] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 672] ioctl(4, LOOP_CLR_FD) = 0 [pid 672] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 672] close(4) = 0 [pid 672] close(3) = 0 [pid 672] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 672] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 672] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 672] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 672] exit_group(0) = ? [pid 672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=672, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", 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=0x5555556395d0) = 673 ./strace-static-x86_64: Process 673 attached [pid 673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 673] setpgid(0, 0) = 0 [pid 673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 673] write(3, "1000", 4) = 4 [pid 673] close(3) = 0 [pid 673] memfd_create("syzkaller", 0) = 3 [pid 673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 673] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 673] munmap(0x7fadb4162000, 65536) = 0 [pid 673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 673] ioctl(4, LOOP_CLR_FD) = 0 [pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 673] close(4) = 0 [pid 673] close(3) = 0 [pid 673] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 673] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 673] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 673] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 673] exit_group(0) = ? [pid 673] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 674 ./strace-static-x86_64: Process 674 attached [pid 674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 674] setpgid(0, 0) = 0 [pid 674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 674] write(3, "1000", 4) = 4 [pid 674] close(3) = 0 [pid 674] memfd_create("syzkaller", 0) = 3 [pid 674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 674] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 674] munmap(0x7fadb4162000, 65536) = 0 [pid 674] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 674] ioctl(4, LOOP_CLR_FD) = 0 [pid 674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 674] close(4) = 0 [pid 674] close(3) = 0 [pid 674] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 674] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 674] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 674] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 674] exit_group(0) = ? [pid 674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 675 ./strace-static-x86_64: Process 675 attached [pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 675] setpgid(0, 0) = 0 [pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 675] write(3, "1000", 4) = 4 [pid 675] close(3) = 0 [pid 675] memfd_create("syzkaller", 0) = 3 [pid 675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 675] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 675] munmap(0x7fadb4162000, 65536) = 0 [pid 675] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 675] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 675] ioctl(4, LOOP_CLR_FD) = 0 [pid 675] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 675] close(4) = 0 [pid 675] close(3) = 0 [pid 675] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 675] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 675] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 675] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 675] exit_group(0) = ? [pid 675] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 676 ./strace-static-x86_64: Process 676 attached [pid 676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 676] setpgid(0, 0) = 0 [pid 676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 676] write(3, "1000", 4) = 4 [pid 676] close(3) = 0 [pid 676] memfd_create("syzkaller", 0) = 3 [pid 676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 676] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 676] munmap(0x7fadb4162000, 65536) = 0 [pid 676] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 676] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 676] ioctl(4, LOOP_CLR_FD) = 0 [pid 676] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 676] close(4) = 0 [pid 676] close(3) = 0 [pid 676] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 676] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 676] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 676] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 676] exit_group(0) = ? [pid 676] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=676, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 677 ./strace-static-x86_64: Process 677 attached [pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 677] setpgid(0, 0) = 0 [pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 677] write(3, "1000", 4) = 4 [pid 677] close(3) = 0 [pid 677] memfd_create("syzkaller", 0) = 3 [pid 677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 677] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 677] munmap(0x7fadb4162000, 65536) = 0 [pid 677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 677] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 677] ioctl(4, LOOP_CLR_FD) = 0 [pid 677] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 677] close(4) = 0 [pid 677] close(3) = 0 [pid 677] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 677] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 677] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 677] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 677] exit_group(0) = ? [pid 677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 678 ./strace-static-x86_64: Process 678 attached [pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 678] setpgid(0, 0) = 0 [pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 678] write(3, "1000", 4) = 4 [pid 678] close(3) = 0 [pid 678] memfd_create("syzkaller", 0) = 3 [pid 678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 678] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 678] munmap(0x7fadb4162000, 65536) = 0 [pid 678] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 678] ioctl(4, LOOP_CLR_FD) = 0 [pid 678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 678] close(4) = 0 [pid 678] close(3) = 0 [pid 678] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 678] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 678] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 678] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 678] exit_group(0) = ? [pid 678] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 679 ./strace-static-x86_64: Process 679 attached [pid 679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 679] setpgid(0, 0) = 0 [pid 679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 679] write(3, "1000", 4) = 4 [pid 679] close(3) = 0 [pid 679] memfd_create("syzkaller", 0) = 3 [pid 679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 679] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 679] munmap(0x7fadb4162000, 65536) = 0 [pid 679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 679] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 679] ioctl(4, LOOP_CLR_FD) = 0 [pid 679] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 679] close(4) = 0 [pid 679] close(3) = 0 [pid 679] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 679] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 679] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 679] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 679] exit_group(0) = ? [pid 679] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 680 attached , child_tidptr=0x5555556395d0) = 680 [pid 680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 680] setpgid(0, 0) = 0 [pid 680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 680] write(3, "1000", 4) = 4 [pid 680] close(3) = 0 [pid 680] memfd_create("syzkaller", 0) = 3 [pid 680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 680] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 680] munmap(0x7fadb4162000, 65536) = 0 [pid 680] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 680] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 680] ioctl(4, LOOP_CLR_FD) = 0 [pid 680] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 680] close(4) = 0 [pid 680] close(3) = 0 [pid 680] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 680] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 680] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 680] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 680] exit_group(0) = ? [pid 680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 681 ./strace-static-x86_64: Process 681 attached [pid 681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 681] setpgid(0, 0) = 0 [pid 681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 681] write(3, "1000", 4) = 4 [pid 681] close(3) = 0 [pid 681] memfd_create("syzkaller", 0) = 3 [pid 681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 681] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 681] munmap(0x7fadb4162000, 65536) = 0 [pid 681] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 681] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 681] ioctl(4, LOOP_CLR_FD) = 0 [pid 681] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 681] close(4) = 0 [pid 681] close(3) = 0 [pid 681] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 681] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 681] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 681] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 681] exit_group(0) = ? [pid 681] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 682 ./strace-static-x86_64: Process 682 attached [pid 682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 682] setpgid(0, 0) = 0 [pid 682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 682] write(3, "1000", 4) = 4 [pid 682] close(3) = 0 [pid 682] memfd_create("syzkaller", 0) = 3 [pid 682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 682] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 682] munmap(0x7fadb4162000, 65536) = 0 [pid 682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 682] ioctl(4, LOOP_CLR_FD) = 0 [pid 682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 682] close(4) = 0 [pid 682] close(3) = 0 [pid 682] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 682] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 682] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 682] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 682] exit_group(0) = ? [pid 682] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 683 ./strace-static-x86_64: Process 683 attached [pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 683] setpgid(0, 0) = 0 [pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 683] write(3, "1000", 4) = 4 [pid 683] close(3) = 0 [pid 683] memfd_create("syzkaller", 0) = 3 [pid 683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 683] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 683] munmap(0x7fadb4162000, 65536) = 0 [pid 683] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 683] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 683] ioctl(4, LOOP_CLR_FD) = 0 [pid 683] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 683] close(4) = 0 [pid 683] close(3) = 0 [pid 683] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 683] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 683] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 683] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 683] exit_group(0) = ? [pid 683] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 684 ./strace-static-x86_64: Process 684 attached [pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 684] setpgid(0, 0) = 0 [pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 684] write(3, "1000", 4) = 4 [pid 684] close(3) = 0 [pid 684] memfd_create("syzkaller", 0) = 3 [pid 684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 684] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 684] munmap(0x7fadb4162000, 65536) = 0 [pid 684] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 684] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 684] ioctl(4, LOOP_CLR_FD) = 0 [pid 684] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 684] close(4) = 0 [pid 684] close(3) = 0 [pid 684] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 684] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 684] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 684] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 684] exit_group(0) = ? [pid 684] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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=0x5555556395d0) = 685 ./strace-static-x86_64: Process 685 attached [pid 685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 685] setpgid(0, 0) = 0 [pid 685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 685] write(3, "1000", 4) = 4 [pid 685] close(3) = 0 [pid 685] memfd_create("syzkaller", 0) = 3 [pid 685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 685] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 685] munmap(0x7fadb4162000, 65536) = 0 [pid 685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 685] ioctl(4, LOOP_CLR_FD) = 0 [pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 685] close(4) = 0 [pid 685] close(3) = 0 [pid 685] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 685] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 685] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 685] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 685] exit_group(0) = ? [pid 685] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 686 ./strace-static-x86_64: Process 686 attached [pid 686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 686] setpgid(0, 0) = 0 [pid 686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 686] write(3, "1000", 4) = 4 [pid 686] close(3) = 0 [pid 686] memfd_create("syzkaller", 0) = 3 [pid 686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 686] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 686] munmap(0x7fadb4162000, 65536) = 0 [pid 686] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 686] ioctl(4, LOOP_CLR_FD) = 0 [pid 686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 686] close(4) = 0 [pid 686] close(3) = 0 [pid 686] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 686] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 686] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 686] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 686] exit_group(0) = ? [pid 686] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 688 attached , child_tidptr=0x5555556395d0) = 688 [pid 688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 688] setpgid(0, 0) = 0 [pid 688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 688] write(3, "1000", 4) = 4 [pid 688] close(3) = 0 [pid 688] memfd_create("syzkaller", 0) = 3 [pid 688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 688] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 688] munmap(0x7fadb4162000, 65536) = 0 [pid 688] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 688] ioctl(4, LOOP_CLR_FD) = 0 [pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 688] close(4) = 0 [pid 688] close(3) = 0 [pid 688] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 688] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 688] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 688] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 688] exit_group(0) = ? [pid 688] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 689 ./strace-static-x86_64: Process 689 attached [pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 689] setpgid(0, 0) = 0 [pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 689] write(3, "1000", 4) = 4 [pid 689] close(3) = 0 [pid 689] memfd_create("syzkaller", 0) = 3 [pid 689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 689] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 689] munmap(0x7fadb4162000, 65536) = 0 [pid 689] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 689] ioctl(4, LOOP_CLR_FD) = 0 [pid 689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 689] close(4) = 0 [pid 689] close(3) = 0 [pid 689] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 689] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 689] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 689] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 689] exit_group(0) = ? [pid 689] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- 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 690 attached , child_tidptr=0x5555556395d0) = 690 [pid 690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 690] setpgid(0, 0) = 0 [pid 690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 690] write(3, "1000", 4) = 4 [pid 690] close(3) = 0 [pid 690] memfd_create("syzkaller", 0) = 3 [pid 690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 690] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 690] munmap(0x7fadb4162000, 65536) = 0 [pid 690] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 690] ioctl(4, LOOP_CLR_FD) = 0 [pid 690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 690] close(4) = 0 [pid 690] close(3) = 0 [pid 690] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 690] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 690] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 690] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 690] exit_group(0) = ? [pid 690] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=690, si_uid=0, si_status=0, si_utime=0, si_stime=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 691 attached , child_tidptr=0x5555556395d0) = 691 [pid 691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 691] setpgid(0, 0) = 0 [pid 691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 691] write(3, "1000", 4) = 4 [pid 691] close(3) = 0 [pid 691] memfd_create("syzkaller", 0) = 3 [pid 691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 691] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 691] munmap(0x7fadb4162000, 65536) = 0 [pid 691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 691] ioctl(4, LOOP_CLR_FD) = 0 [pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 691] close(4) = 0 [pid 691] close(3) = 0 [pid 691] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 691] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 691] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 691] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 691] exit_group(0) = ? [pid 691] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 692 ./strace-static-x86_64: Process 692 attached [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 692] setpgid(0, 0) = 0 [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 692] write(3, "1000", 4) = 4 [pid 692] close(3) = 0 [pid 692] memfd_create("syzkaller", 0) = 3 [pid 692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 692] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 692] munmap(0x7fadb4162000, 65536) = 0 [pid 692] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 692] ioctl(4, LOOP_CLR_FD) = 0 [pid 692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 692] close(4) = 0 [pid 692] close(3) = 0 [pid 692] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 692] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 692] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 692] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 692] exit_group(0) = ? [pid 692] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 693 ./strace-static-x86_64: Process 693 attached [pid 693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 693] setpgid(0, 0) = 0 [pid 693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 693] write(3, "1000", 4) = 4 [pid 693] close(3) = 0 [pid 693] memfd_create("syzkaller", 0) = 3 [pid 693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 693] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 693] munmap(0x7fadb4162000, 65536) = 0 [pid 693] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 693] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 693] ioctl(4, LOOP_CLR_FD) = 0 [pid 693] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 693] close(4) = 0 [pid 693] close(3) = 0 [pid 693] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 693] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 693] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 693] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 693] exit_group(0) = ? [pid 693] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=693, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 694 ./strace-static-x86_64: Process 694 attached [pid 694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 694] setpgid(0, 0) = 0 [pid 694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 694] write(3, "1000", 4) = 4 [pid 694] close(3) = 0 [pid 694] memfd_create("syzkaller", 0) = 3 [pid 694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 694] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 694] munmap(0x7fadb4162000, 65536) = 0 [pid 694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 694] ioctl(4, LOOP_CLR_FD) = 0 [pid 694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 694] close(4) = 0 [pid 694] close(3) = 0 [pid 694] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 694] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 694] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 694] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 694] exit_group(0) = ? [pid 694] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 695 ./strace-static-x86_64: Process 695 attached [pid 695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 695] setpgid(0, 0) = 0 [pid 695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 695] write(3, "1000", 4) = 4 [pid 695] close(3) = 0 [pid 695] memfd_create("syzkaller", 0) = 3 [pid 695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 695] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 695] munmap(0x7fadb4162000, 65536) = 0 [pid 695] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 695] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 695] ioctl(4, LOOP_CLR_FD) = 0 [pid 695] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 695] close(4) = 0 [pid 695] close(3) = 0 [pid 695] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 695] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 695] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 695] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 695] exit_group(0) = ? [pid 695] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=695, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 696 ./strace-static-x86_64: Process 696 attached [pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 696] setpgid(0, 0) = 0 [pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 696] write(3, "1000", 4) = 4 [pid 696] close(3) = 0 [pid 696] memfd_create("syzkaller", 0) = 3 [pid 696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 696] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 696] munmap(0x7fadb4162000, 65536) = 0 [pid 696] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 696] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 696] ioctl(4, LOOP_CLR_FD) = 0 [pid 696] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 696] close(4) = 0 [pid 696] close(3) = 0 [pid 696] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 696] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 696] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 696] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 696] exit_group(0) = ? [pid 696] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 697 attached , child_tidptr=0x5555556395d0) = 697 [pid 697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 697] setpgid(0, 0) = 0 [pid 697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 697] write(3, "1000", 4) = 4 [pid 697] close(3) = 0 [pid 697] memfd_create("syzkaller", 0) = 3 [pid 697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 697] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 697] munmap(0x7fadb4162000, 65536) = 0 [pid 697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 697] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 697] ioctl(4, LOOP_CLR_FD) = 0 [pid 697] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 697] close(4) = 0 [pid 697] close(3) = 0 [pid 697] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 697] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 697] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 697] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 697] exit_group(0) = ? [pid 697] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 698 attached , child_tidptr=0x5555556395d0) = 698 [pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 698] setpgid(0, 0) = 0 [pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 698] write(3, "1000", 4) = 4 [pid 698] close(3) = 0 [pid 698] memfd_create("syzkaller", 0) = 3 [pid 698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 698] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 698] munmap(0x7fadb4162000, 65536) = 0 [pid 698] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 698] ioctl(4, LOOP_CLR_FD) = 0 [pid 698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 698] close(4) = 0 [pid 698] close(3) = 0 [pid 698] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 698] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 698] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 698] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 698] exit_group(0) = ? [pid 698] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 699 ./strace-static-x86_64: Process 699 attached [pid 699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 699] setpgid(0, 0) = 0 [pid 699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 699] write(3, "1000", 4) = 4 [pid 699] close(3) = 0 [pid 699] memfd_create("syzkaller", 0) = 3 [pid 699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 699] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 699] munmap(0x7fadb4162000, 65536) = 0 [pid 699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 699] ioctl(4, LOOP_CLR_FD) = 0 [pid 699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 699] close(4) = 0 [pid 699] close(3) = 0 [pid 699] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 699] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 699] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 699] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 699] exit_group(0) = ? [pid 699] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 700 ./strace-static-x86_64: Process 700 attached [pid 700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 700] setpgid(0, 0) = 0 [pid 700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 700] write(3, "1000", 4) = 4 [pid 700] close(3) = 0 [pid 700] memfd_create("syzkaller", 0) = 3 [pid 700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 700] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 700] munmap(0x7fadb4162000, 65536) = 0 [pid 700] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 700] ioctl(4, LOOP_CLR_FD) = 0 [pid 700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 700] close(4) = 0 [pid 700] close(3) = 0 [pid 700] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 700] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 700] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 700] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 700] exit_group(0) = ? [pid 700] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 701 ./strace-static-x86_64: Process 701 attached [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 701] setpgid(0, 0) = 0 [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 701] write(3, "1000", 4) = 4 [pid 701] close(3) = 0 [pid 701] memfd_create("syzkaller", 0) = 3 [pid 701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 701] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 701] munmap(0x7fadb4162000, 65536) = 0 [pid 701] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 701] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 701] ioctl(4, LOOP_CLR_FD) = 0 [pid 701] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 701] close(4) = 0 [pid 701] close(3) = 0 [pid 701] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 701] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 701] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 701] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 701] exit_group(0) = ? [pid 701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 702 ./strace-static-x86_64: Process 702 attached [pid 702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 702] setpgid(0, 0) = 0 [pid 702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 702] write(3, "1000", 4) = 4 [pid 702] close(3) = 0 [pid 702] memfd_create("syzkaller", 0) = 3 [pid 702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 702] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 702] munmap(0x7fadb4162000, 65536) = 0 [pid 702] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 702] ioctl(4, LOOP_CLR_FD) = 0 [pid 702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 702] close(4) = 0 [pid 702] close(3) = 0 [pid 702] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 702] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 702] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 702] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 702] exit_group(0) = ? [pid 702] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 703 ./strace-static-x86_64: Process 703 attached [pid 703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 703] setpgid(0, 0) = 0 [pid 703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 703] write(3, "1000", 4) = 4 [pid 703] close(3) = 0 [pid 703] memfd_create("syzkaller", 0) = 3 [pid 703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 703] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 703] munmap(0x7fadb4162000, 65536) = 0 [pid 703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 703] ioctl(4, LOOP_CLR_FD) = 0 [pid 703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 703] close(4) = 0 [pid 703] close(3) = 0 [pid 703] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 703] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 703] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 703] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 703] exit_group(0) = ? [pid 703] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 704 ./strace-static-x86_64: Process 704 attached [pid 704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 704] setpgid(0, 0) = 0 [pid 704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 704] write(3, "1000", 4) = 4 [pid 704] close(3) = 0 [pid 704] memfd_create("syzkaller", 0) = 3 [pid 704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 704] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 704] munmap(0x7fadb4162000, 65536) = 0 [pid 704] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 704] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 704] ioctl(4, LOOP_CLR_FD) = 0 [pid 704] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 704] close(4) = 0 [pid 704] close(3) = 0 [pid 704] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 704] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 704] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 704] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 704] exit_group(0) = ? [pid 704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 705 ./strace-static-x86_64: Process 705 attached [pid 705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 705] setpgid(0, 0) = 0 [pid 705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 705] write(3, "1000", 4) = 4 [pid 705] close(3) = 0 [pid 705] memfd_create("syzkaller", 0) = 3 [pid 705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 705] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 705] munmap(0x7fadb4162000, 65536) = 0 [pid 705] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 705] ioctl(4, LOOP_CLR_FD) = 0 [pid 705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 705] close(4) = 0 [pid 705] close(3) = 0 [pid 705] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 705] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 705] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 705] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 705] exit_group(0) = ? [pid 705] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 706 ./strace-static-x86_64: Process 706 attached [pid 706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 706] setpgid(0, 0) = 0 [pid 706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 706] write(3, "1000", 4) = 4 [pid 706] close(3) = 0 [pid 706] memfd_create("syzkaller", 0) = 3 [pid 706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 706] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 706] munmap(0x7fadb4162000, 65536) = 0 [pid 706] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 706] ioctl(4, LOOP_CLR_FD) = 0 [pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 706] close(4) = 0 [pid 706] close(3) = 0 [pid 706] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 706] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 706] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 706] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 706] exit_group(0) = ? [pid 706] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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 707 attached , child_tidptr=0x5555556395d0) = 707 [pid 707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 707] setpgid(0, 0) = 0 [pid 707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 707] write(3, "1000", 4) = 4 [pid 707] close(3) = 0 [pid 707] memfd_create("syzkaller", 0) = 3 [pid 707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 707] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 707] munmap(0x7fadb4162000, 65536) = 0 [pid 707] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 707] ioctl(4, LOOP_CLR_FD) = 0 [pid 707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 707] close(4) = 0 [pid 707] close(3) = 0 [pid 707] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 707] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 707] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 707] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 707] exit_group(0) = ? [pid 707] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, si_utime=0, si_stime=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=0x5555556395d0) = 709 ./strace-static-x86_64: Process 709 attached [pid 709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 709] setpgid(0, 0) = 0 [pid 709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 709] write(3, "1000", 4) = 4 [pid 709] close(3) = 0 [pid 709] memfd_create("syzkaller", 0) = 3 [pid 709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 709] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 709] munmap(0x7fadb4162000, 65536) = 0 [pid 709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 709] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 709] ioctl(4, LOOP_CLR_FD) = 0 [pid 709] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 709] close(4) = 0 [pid 709] close(3) = 0 [pid 709] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 709] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 709] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 709] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 709] exit_group(0) = ? [pid 709] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 710 ./strace-static-x86_64: Process 710 attached [pid 710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 710] setpgid(0, 0) = 0 [pid 710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 710] write(3, "1000", 4) = 4 [pid 710] close(3) = 0 [pid 710] memfd_create("syzkaller", 0) = 3 [pid 710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 710] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 710] munmap(0x7fadb4162000, 65536) = 0 [pid 710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 710] ioctl(4, LOOP_CLR_FD) = 0 [pid 710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 710] close(4) = 0 [pid 710] close(3) = 0 [pid 710] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 710] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 710] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 710] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 710] exit_group(0) = ? [pid 710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 711 ./strace-static-x86_64: Process 711 attached [pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 711] setpgid(0, 0) = 0 [pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 711] write(3, "1000", 4) = 4 [pid 711] close(3) = 0 [pid 711] memfd_create("syzkaller", 0) = 3 [pid 711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 711] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 711] munmap(0x7fadb4162000, 65536) = 0 [pid 711] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 711] ioctl(4, LOOP_CLR_FD) = 0 [pid 711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 711] close(4) = 0 [pid 711] close(3) = 0 [pid 711] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 711] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 711] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 711] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 711] exit_group(0) = ? [pid 711] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 712 ./strace-static-x86_64: Process 712 attached [pid 712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 712] setpgid(0, 0) = 0 [pid 712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 712] write(3, "1000", 4) = 4 [pid 712] close(3) = 0 [pid 712] memfd_create("syzkaller", 0) = 3 [pid 712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 712] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 712] munmap(0x7fadb4162000, 65536) = 0 [pid 712] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 712] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 712] ioctl(4, LOOP_CLR_FD) = 0 [pid 712] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 712] close(4) = 0 [pid 712] close(3) = 0 [pid 712] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 712] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 712] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 712] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 712] exit_group(0) = ? [pid 712] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 713 ./strace-static-x86_64: Process 713 attached [pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 713] setpgid(0, 0) = 0 [pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 713] write(3, "1000", 4) = 4 [pid 713] close(3) = 0 [pid 713] memfd_create("syzkaller", 0) = 3 [pid 713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 713] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 713] munmap(0x7fadb4162000, 65536) = 0 [pid 713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 713] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 713] ioctl(4, LOOP_CLR_FD) = 0 [pid 713] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 713] close(4) = 0 [pid 713] close(3) = 0 [pid 713] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 713] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 713] openat(-1, "/proc/self/exe", O_RDONLY) = 4 [pid 713] sendfile(3, 4, NULL, 140737974943952) = 851968 [pid 713] exit_group(0) = ? [pid 713] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- 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=0x5555556395d0) = 714 ./strace-static-x86_64: Process 714 attached [pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 714] setpgid(0, 0) = 0 [pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 714] write(3, "1000", 4) = 4 [pid 714] close(3) = 0 [pid 714] memfd_create("syzkaller", 0) = 3 [pid 714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fadb4162000 [pid 714] write(3, "\xeb\x58\x90\x6d\x6b\x66\x73\x2e\x66\x61\x74\x00\x02\x01\x20\x00\x04\x00\x00\x80\x00\xf8\x00\x00\x10\x00\x02\x00\x03\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x29\xa5\x64\xf2\x8a\x53\x59\x5a\x4b\x41\x4c\x4c\x45\x52\x20\x20\x46\x41\x54\x33\x32\x20\x20\x20\x0e\x1f\xbe\x77\x7c\xac\x22\xc0\x74\x0b"..., 65536) = 65536 [pid 714] munmap(0x7fadb4162000, 65536) = 0 [pid 714] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 714] ioctl(4, LOOP_CLR_FD) = 0 [pid 714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 714] close(4) = 0 [pid 714] close(3) = 0 [pid 714] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 3 [pid 714] rename("./file2", "./bus") = -1 ENOTDIR (Not a directory) [pid 714] openat(-1, "/proc/self/exe", O_RDONLY) = 4