./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2430173470 <...> Warning: Permanently added '10.128.15.194' (ED25519) to the list of known hosts. execve("./syz-executor2430173470", ["./syz-executor2430173470"], 0x7ffca8551200 /* 10 vars */) = 0 brk(NULL) = 0x555570413000 brk(0x555570413d00) = 0x555570413d00 arch_prctl(ARCH_SET_FS, 0x555570413380) = 0 set_tid_address(0x555570413650) = 5832 set_robust_list(0x555570413660, 24) = 0 rseq(0x555570413ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2430173470", 4096) = 28 getrandom("\x40\x3f\x92\x5c\x7e\x4d\xaa\x13", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555570413d00 brk(0x555570434d00) = 0x555570434d00 brk(0x555570435000) = 0x555570435000 mprotect(0x7f11f4041000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached , child_tidptr=0x555570413650) = 5833 [pid 5833] set_robust_list(0x555570413660, 24 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... set_robust_list resumed>) = 0 [pid 5833] mkdir("./syzkaller.JoqRiF", 0700./strace-static-x86_64: Process 5834 attached [pid 5832] <... clone resumed>, child_tidptr=0x555570413650) = 5834 [pid 5834] set_robust_list(0x555570413660, 24) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5834] mkdir("./syzkaller.bkrJr6", 0700 [pid 5832] <... clone resumed>, child_tidptr=0x555570413650) = 5835 [pid 5833] chmod("./syzkaller.JoqRiF", 0777 [pid 5835] set_robust_list(0x555570413660, 24) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... chmod resumed>) = 0 [pid 5835] mkdir("./syzkaller.1rAv4d", 0700) = 0 [pid 5834] chmod("./syzkaller.bkrJr6", 0777./strace-static-x86_64: Process 5836 attached [pid 5836] set_robust_list(0x555570413660, 24 [pid 5835] chmod("./syzkaller.1rAv4d", 0777 [pid 5833] chdir("./syzkaller.JoqRiF" [pid 5834] <... chmod resumed>) = 0 [pid 5833] <... chdir resumed>) = 0 [pid 5836] <... set_robust_list resumed>) = 0 [pid 5834] chdir("./syzkaller.bkrJr6") = 0 [pid 5833] mkdir("./0", 0777 [pid 5834] mkdir("./0", 0777 [pid 5832] <... clone resumed>, child_tidptr=0x555570413650) = 5836 [pid 5836] mkdir("./syzkaller.MP1Qjw", 0700 [pid 5835] <... chmod resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] chdir("./syzkaller.1rAv4d" [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5835] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5835] mkdir("./0", 0777 [pid 5836] chmod("./syzkaller.MP1Qjw", 0777 [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5837 attached [pid 5836] <... chmod resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5832] <... clone resumed>, child_tidptr=0x555570413650) = 5837 [pid 5837] set_robust_list(0x555570413660, 24 [pid 5836] chdir("./syzkaller.MP1Qjw" [pid 5837] <... set_robust_list resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5834] close(3 [pid 5833] close(3 [pid 5837] mkdir("./syzkaller.cRWPr1", 0700 [pid 5836] mkdir("./0", 0777 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5839 attached [pid 5838] set_robust_list(0x555570413660, 24 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] close(3 [pid 5839] set_robust_list(0x555570413660, 24 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5837] chmod("./syzkaller.cRWPr1", 0777 [pid 5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... close resumed>) = 0 [pid 5834] <... clone resumed>, child_tidptr=0x555570413650) = 5839 [pid 5833] <... clone resumed>, child_tidptr=0x555570413650) = 5838 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] chdir("./0" [pid 5837] <... chmod resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] chdir("./0" [pid 5838] <... chdir resumed>) = 0 [pid 5837] chdir("./syzkaller.cRWPr1" [pid 5839] <... chdir resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] <... chdir resumed>) = 0 [pid 5838] <... prctl resumed>) = 0 [pid 5838] setpgid(0, 0 [pid 5837] mkdir("./0", 0777 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5839] <... prctl resumed>) = 0 [pid 5836] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5840 attached [pid 5839] setpgid(0, 0 [pid 5838] <... setpgid resumed>) = 0 [pid 5839] <... setpgid resumed>) = 0 [pid 5840] set_robust_list(0x555570413660, 24 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5836] close(3 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5840] chdir("./0" [pid 5836] <... close resumed>) = 0 [pid 5839] <... openat resumed>) = 3 [pid 5840] <... chdir resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5837] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... clone resumed>, child_tidptr=0x555570413650) = 5840 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5838] <... openat resumed>) = 3 [pid 5838] write(3, "1000", 4 [pid 5840] <... prctl resumed>) = 0 [pid 5839] write(3, "1000", 4 [pid 5838] <... write resumed>) = 4 ./strace-static-x86_64: Process 5842 attached [pid 5840] setpgid(0, 0 [pid 5838] close(3 [pid 5837] <... openat resumed>) = 3 [pid 5842] set_robust_list(0x555570413660, 24 [pid 5840] <... setpgid resumed>) = 0 [pid 5839] <... write resumed>) = 4 [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5842] <... set_robust_list resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5839] close(3 [pid 5838] <... close resumed>) = 0 [pid 5842] chdir("./0" [pid 5839] <... close resumed>) = 0 [pid 5837] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5842] <... chdir resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5839] symlink("/dev/binderfs", "./binderfs" [pid 5838] symlink("/dev/binderfs", "./binderfs" [pid 5837] close(3 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] write(3, "1000", 4 [pid 5839] <... symlink resumed>) = 0 [pid 5838] <... symlink resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555570413650) = 5842 [pid 5842] setpgid(0, 0executing program ) = 0 [pid 5840] <... write resumed>) = 4 [pid 5839] write(1, "executing program\n", 18 [pid 5838] write(1, "executing program\n", 18 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5840] close(3 [pid 5839] <... write resumed>) = 18 [pid 5840] <... close resumed>) = 0 [pid 5839] memfd_create("syzkaller", 0 [pid 5840] symlink("/dev/binderfs", "./binderfs" [pid 5839] <... memfd_create resumed>) = 3 [pid 5840] <... symlink resumed>) = 0 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program executing program ./strace-static-x86_64: Process 5843 attached [pid 5840] write(1, "executing program\n", 18 [pid 5839] <... mmap resumed>) = 0x7f11eba00000 [pid 5838] <... write resumed>) = 18 [pid 5843] set_robust_list(0x555570413660, 24 [pid 5842] <... openat resumed>) = 3 [pid 5840] <... write resumed>) = 18 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] write(3, "1000", 4 [pid 5840] memfd_create("syzkaller", 0 [pid 5838] memfd_create("syzkaller", 0 [pid 5837] <... clone resumed>, child_tidptr=0x555570413650) = 5843 [pid 5843] chdir("./0" [pid 5842] <... write resumed>) = 4 [pid 5843] <... chdir resumed>) = 0 [pid 5842] close(3 [pid 5838] <... memfd_create resumed>) = 3 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... close resumed>) = 0 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] <... prctl resumed>) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs" [pid 5840] <... memfd_create resumed>) = 3 [pid 5838] <... mmap resumed>) = 0x7f11eba00000 [pid 5842] <... symlink resumed>) = 0 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] setpgid(0, 0 [pid 5840] <... mmap resumed>) = 0x7f11eba00000 [pid 5843] <... setpgid resumed>) = 0 [pid 5842] write(1, "executing program\n", 18executing program [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... write resumed>) = 18 [pid 5843] <... openat resumed>) = 3 [pid 5842] memfd_create("syzkaller", 0 [pid 5843] write(3, "1000", 4 [pid 5842] <... memfd_create resumed>) = 3 [pid 5843] <... write resumed>) = 4 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5843] close(3) = 0 [pid 5842] <... mmap resumed>) = 0x7f11eba00000 [pid 5843] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] write(1, "executing program\n", 18executing program ) = 18 [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f11eba00000 [pid 5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5840] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5839] <... write resumed>) = 16777216 [pid 5840] <... write resumed>) = 16777216 [pid 5839] munmap(0x7f11eba00000, 138412032 [pid 5840] munmap(0x7f11eba00000, 138412032 [pid 5839] <... munmap resumed>) = 0 [pid 5842] <... write resumed>) = 16777216 [pid 5840] <... munmap resumed>) = 0 [pid 5838] <... write resumed>) = 16777216 [pid 5842] munmap(0x7f11eba00000, 138412032 [pid 5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5840] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5839] <... openat resumed>) = 4 [pid 5838] munmap(0x7f11eba00000, 138412032 [pid 5839] ioctl(4, LOOP_SET_FD, 3 [pid 5840] <... openat resumed>) = 4 [pid 5840] ioctl(4, LOOP_SET_FD, 3 [pid 5839] <... ioctl resumed>) = 0 [pid 5839] close(3) = 0 [pid 5839] close(4) = 0 [pid 5839] mkdir("./file0", 0777) = 0 [ 92.057770][ T5839] loop1: detected capacity change from 0 to 32768 [ 92.075535][ T5840] loop2: detected capacity change from 0 to 32768 [ 92.081959][ T5839] ======================================================= [ 92.081959][ T5839] WARNING: The mand mount option has been deprecated and [ 92.081959][ T5839] and is ignored by this kernel. Remove the mand [pid 5839] mount("/dev/loop1", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5842] <... munmap resumed>) = 0 [pid 5840] <... ioctl resumed>) = 0 [pid 5843] <... write resumed>) = 16777216 [pid 5843] munmap(0x7f11eba00000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5840] close(3 [pid 5838] <... munmap resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5842] <... openat resumed>) = 4 [pid 5840] <... close resumed>) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5843] <... openat resumed>) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3 [pid 5840] close(4 [pid 5838] <... openat resumed>) = 4 [ 92.081959][ T5839] option from the mount to silence this warning. [ 92.081959][ T5839] ======================================================= [ 92.098007][ T977] cfg80211: failed to load regulatory.db [pid 5843] ioctl(4, LOOP_SET_FD, 3 [pid 5840] <... close resumed>) = 0 [pid 5838] ioctl(4, LOOP_SET_FD, 3 [pid 5840] mkdir("./file0", 0777) = 0 [pid 5840] mount("/dev/loop2", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5843] <... ioctl resumed>) = 0 [pid 5842] <... ioctl resumed>) = 0 [pid 5838] <... ioctl resumed>) = 0 [pid 5843] close(3 [pid 5842] close(3 [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5838] close(3 [pid 5843] close(4 [pid 5842] close(4 [pid 5838] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5843] mkdir("./file0", 0777 [pid 5842] <... close resumed>) = 0 [pid 5838] close(4 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] mkdir("./file0", 0777 [pid 5838] <... close resumed>) = 0 [pid 5843] mount("/dev/loop4", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5842] <... mkdir resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5839] <... mount resumed>) = 0 [pid 5842] mount("/dev/loop3", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5840] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5839] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5838] mkdir("./file0", 0777 [pid 5840] <... openat resumed>) = 3 [pid 5839] <... openat resumed>) = 3 [pid 5838] <... mkdir resumed>) = 0 [pid 5840] chdir("./file0" [pid 5839] chdir("./file0" [ 92.153574][ T5842] loop3: detected capacity change from 0 to 32768 [ 92.154588][ T5843] loop4: detected capacity change from 0 to 32768 [ 92.160832][ T5838] loop0: detected capacity change from 0 to 32768 [pid 5838] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5840] <... chdir resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5839] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5842] <... mount resumed>) = 0 [pid 5840] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5839] exit_group(0 [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5840] exit_group(0 [pid 5839] <... exit_group resumed>) = ? [pid 5842] <... openat resumed>) = 3 [pid 5842] chdir("./file0" [pid 5840] <... exit_group resumed>) = ? [pid 5842] <... chdir resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5843] <... mount resumed>) = 0 [pid 5842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] +++ exited with 0 +++ [pid 5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5842] exit_group(0 [pid 5839] +++ exited with 0 +++ [pid 5838] <... mount resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... exit_group resumed>) = ? [pid 5838] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5834] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=23 /* 0.23 s */} --- [pid 5843] chdir("./file0" [pid 5838] <... openat resumed>) = 3 [pid 5835] restart_syscall(<... resuming interrupted clone ...> [pid 5834] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... chdir resumed>) = 0 [pid 5838] chdir("./file0" [pid 5835] <... restart_syscall resumed>) = 0 [pid 5834] <... restart_syscall resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] <... chdir resumed>) = 0 [pid 5843] exit_group(0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5835] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... exit_group resumed>) = ? [pid 5842] +++ exited with 0 +++ [pid 5838] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] +++ exited with 0 +++ [pid 5838] exit_group(0 [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=28 /* 0.28 s */} --- [pid 5835] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5838] <... exit_group resumed>) = ? [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5836] restart_syscall(<... resuming interrupted clone ...> [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5837] restart_syscall(<... resuming interrupted clone ...> [pid 5836] <... restart_syscall resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5834] newfstatat(3, "", [pid 5838] +++ exited with 0 +++ [pid 5837] <... restart_syscall resumed>) = 0 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5835] getdents64(3, [pid 5834] getdents64(3, [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} --- [pid 5836] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5834] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... openat resumed>) = 3 [pid 5836] newfstatat(3, "", [pid 5833] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5837] newfstatat(3, "", [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] getdents64(3, [pid 5833] newfstatat(3, "", [pid 5837] getdents64(3, [pid 5836] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = 0 [pid 5836] <... umount2 resumed>) = 0 [pid 5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... umount2 resumed>) = 0 [pid 5836] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5836] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] getdents64(4, [pid 5833] <... umount2 resumed>) = 0 [pid 5834] newfstatat(AT_FDCWD, "./0/file0", [pid 5836] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] getdents64(4, [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... umount2 resumed>) = 0 [pid 5836] <... getdents64 resumed>0x55557041c730 /* 0 entries */, 32768) = 0 [pid 5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] close(4 [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] rmdir("./0/file0") = 0 [pid 5835] newfstatat(AT_FDCWD, "./0/file0", [pid 5834] <... openat resumed>) = 4 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] newfstatat(4, "", [pid 5835] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./0/file0", [pid 5835] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5834] getdents64(4, [pid 5837] newfstatat(AT_FDCWD, "./0/file0", [pid 5835] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] newfstatat(4, "", [pid 5834] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5836] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5834] getdents64(4, [pid 5833] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] <... getdents64 resumed>0x55557041c730 /* 0 entries */, 32768) = 0 [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5835] getdents64(4, [pid 5834] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5835] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5834] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5835] getdents64(4, [pid 5834] rmdir("./0/file0" [pid 5835] <... getdents64 resumed>0x55557041c730 /* 0 entries */, 32768) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] close(4 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5837] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5836] unlink("./0/binderfs" [pid 5835] <... close resumed>) = 0 [pid 5834] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(4, "", [pid 5834] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... openat resumed>) = 4 [pid 5836] <... unlink resumed>) = 0 [pid 5835] rmdir("./0/file0" [pid 5834] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] newfstatat(4, "", [pid 5836] getdents64(3, [pid 5833] getdents64(4, [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5836] <... getdents64 resumed>0x5555704146f0 /* 0 entries */, 32768) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5834] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5837] getdents64(4, [pid 5836] close(3 [pid 5834] unlink("./0/binderfs" [pid 5833] getdents64(4, [pid 5837] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5836] <... close resumed>) = 0 [pid 5837] getdents64(4, [pid 5834] <... unlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55557041c730 /* 0 entries */, 32768) = 0 [pid 5837] <... getdents64 resumed>0x55557041c730 /* 0 entries */, 32768) = 0 [pid 5836] rmdir("./0" [pid 5834] getdents64(3, [pid 5833] close(4 [pid 5837] close(4 [pid 5836] <... rmdir resumed>) = 0 [pid 5834] <... getdents64 resumed>0x5555704146f0 /* 0 entries */, 32768) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5835] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5834] close(3 [pid 5833] rmdir("./0/file0" [pid 5837] rmdir("./0/file0" [pid 5836] mkdir("./1", 0777 [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5834] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5834] rmdir("./0" [pid 5837] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... mkdir resumed>) = 0 [pid 5834] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5835] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5834] mkdir("./1", 0777 [pid 5833] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5837] unlink("./0/binderfs" [pid 5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5835] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./0/binderfs" [pid 5837] <... unlink resumed>) = 0 [pid 5836] <... openat resumed>) = 3 [pid 5835] unlink("./0/binderfs" [pid 5834] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... unlink resumed>) = 0 [pid 5837] getdents64(3, 0x5555704146f0 /* 0 entries */, 32768) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] getdents64(3, [pid 5837] close(3 [pid 5836] ioctl(3, LOOP_CLR_FD [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x5555704146f0 /* 0 entries */, 32768) = 0 [pid 5837] <... close resumed>) = 0 [pid 5836] <... ioctl resumed>) = 0 [pid 5835] <... unlink resumed>) = 0 [pid 5834] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5834] close(3 [pid 5837] rmdir("./0" [pid 5836] close(3 [pid 5835] getdents64(3, [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5837] <... rmdir resumed>) = 0 [pid 5836] <... close resumed>) = 0 [pid 5835] <... getdents64 resumed>0x5555704146f0 /* 0 entries */, 32768) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] rmdir("./0" [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5849 attached [pid 5835] close(3./strace-static-x86_64: Process 5850 attached [pid 5837] mkdir("./1", 0777 [pid 5835] <... close resumed>) = 0 [pid 5837] <... mkdir resumed>) = 0 [pid 5850] set_robust_list(0x555570413660, 24 [pid 5849] set_robust_list(0x555570413660, 24 [pid 5835] rmdir("./0" [pid 5833] mkdir("./1", 0777 [pid 5850] <... set_robust_list resumed>) = 0 [pid 5836] <... clone resumed>, child_tidptr=0x555570413650) = 5850 [pid 5833] <... mkdir resumed>) = 0 [pid 5850] chdir("./1" [pid 5837] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5834] <... clone resumed>, child_tidptr=0x555570413650) = 5849 [pid 5849] <... set_robust_list resumed>) = 0 [pid 5835] <... rmdir resumed>) = 0 [pid 5850] <... chdir resumed>) = 0 [pid 5849] chdir("./1" [pid 5837] <... openat resumed>) = 3 [pid 5835] mkdir("./1", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5837] ioctl(3, LOOP_CLR_FD [pid 5833] <... openat resumed>) = 3 [pid 5837] <... ioctl resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5837] close(3 [pid 5833] <... ioctl resumed>) = 0 [pid 5850] <... prctl resumed>) = 0 [pid 5837] <... close resumed>) = 0 [pid 5833] close(3 [pid 5850] setpgid(0, 0 [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... close resumed>) = 0 [pid 5850] <... setpgid resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5851 attached ) = 3 [pid 5849] <... chdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] <... clone resumed>, child_tidptr=0x555570413650) = 5851 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5849] setpgid(0, 0) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5851] set_robust_list(0x555570413660, 24) = 0 [pid 5851] chdir("./1" [pid 5850] write(3, "1000", 4) = 4 [pid 5851] <... chdir resumed>) = 0 [pid 5850] close(3 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5850] <... close resumed>) = 0 ./strace-static-x86_64: Process 5853 attached [pid 5851] <... prctl resumed>) = 0 [pid 5850] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... ioctl resumed>) = 0 [pid 5849] <... openat resumed>) = 3 executing program [pid 5851] setpgid(0, 0 [pid 5850] <... symlink resumed>) = 0 [pid 5849] write(3, "1000", 4 [pid 5835] close(3 [pid 5853] set_robust_list(0x555570413660, 24 [pid 5851] <... setpgid resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555570413650) = 5853 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5850] write(1, "executing program\n", 18 [pid 5853] chdir("./1" [pid 5851] <... openat resumed>) = 3 [pid 5850] <... write resumed>) = 18 [pid 5853] <... chdir resumed>) = 0 [pid 5851] write(3, "1000", 4 [pid 5850] memfd_create("syzkaller", 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5851] <... write resumed>) = 4 [pid 5850] <... memfd_create resumed>) = 3 [pid 5853] <... prctl resumed>) = 0 [pid 5851] close(3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5853] setpgid(0, 0 [pid 5851] <... close resumed>) = 0 [pid 5850] <... mmap resumed>) = 0x7f11eba00000 [pid 5853] <... setpgid resumed>) = 0 [pid 5851] symlink("/dev/binderfs", "./binderfs" [pid 5849] <... write resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5851] <... symlink resumed>) = 0 [pid 5849] close(3 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5853] <... openat resumed>) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 [pid 5853] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5854 attached ) = 0 [pid 5849] <... close resumed>) = 0 executing program executing program [pid 5854] set_robust_list(0x555570413660, 24 [pid 5853] write(1, "executing program\n", 18 [pid 5851] write(1, "executing program\n", 18 [pid 5849] symlink("/dev/binderfs", "./binderfs" [pid 5835] <... clone resumed>, child_tidptr=0x555570413650) = 5854 [pid 5853] <... write resumed>) = 18 [pid 5851] <... write resumed>) = 18 [pid 5853] memfd_create("syzkaller", 0 [pid 5851] memfd_create("syzkaller", 0 [pid 5849] <... symlink resumed>) = 0 [pid 5854] <... set_robust_list resumed>) = 0 [pid 5853] <... memfd_create resumed>) = 3 [pid 5851] <... memfd_create resumed>) = 3 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 executing program [pid 5853] <... mmap resumed>) = 0x7f11eba00000 [pid 5851] <... mmap resumed>) = 0x7f11eba00000 [pid 5854] chdir("./1" [pid 5849] write(1, "executing program\n", 18 [pid 5854] <... chdir resumed>) = 0 [pid 5849] <... write resumed>) = 18 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5849] memfd_create("syzkaller", 0 [pid 5854] <... prctl resumed>) = 0 [pid 5849] <... memfd_create resumed>) = 3 [pid 5854] setpgid(0, 0 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f11eba00000 [pid 5854] <... setpgid resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5854] write(1, "executing program\n", 18executing program ) = 18 [pid 5854] memfd_create("syzkaller", 0) = 3 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f11eba00000 [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5849] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [pid 5851] <... write resumed>) = 16777216 [pid 5851] munmap(0x7f11eba00000, 138412032 [pid 5850] <... write resumed>) = 16777216 [pid 5853] <... write resumed>) = 16777216 [pid 5851] <... munmap resumed>) = 0 [pid 5850] munmap(0x7f11eba00000, 138412032 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5853] munmap(0x7f11eba00000, 138412032 [pid 5851] <... openat resumed>) = 4 [pid 5849] <... write resumed>) = 16777216 [pid 5854] <... write resumed>) = 16777216 [pid 5853] <... munmap resumed>) = 0 [pid 5854] munmap(0x7f11eba00000, 138412032 [pid 5851] ioctl(4, LOOP_SET_FD, 3 [pid 5850] <... munmap resumed>) = 0 [pid 5849] munmap(0x7f11eba00000, 138412032 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5853] ioctl(4, LOOP_SET_FD, 3 [pid 5851] <... ioctl resumed>) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5854] <... munmap resumed>) = 0 [pid 5853] <... ioctl resumed>) = 0 [pid 5851] close(3 [pid 5850] <... openat resumed>) = 4 [pid 5849] <... munmap resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5853] close(3 [pid 5851] <... close resumed>) = 0 [pid 5850] ioctl(4, LOOP_SET_FD, 3 [pid 5854] <... openat resumed>) = 4 [pid 5853] <... close resumed>) = 0 [pid 5851] close(4 [pid 5854] ioctl(4, LOOP_SET_FD, 3 [pid 5853] close(4 [pid 5851] <... close resumed>) = 0 [pid 5853] <... close resumed>) = 0 [pid 5851] mkdir("./file0", 0777 [pid 5853] mkdir("./file0", 0777) = 0 [pid 5851] <... mkdir resumed>) = 0 [pid 5853] mount("/dev/loop0", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [ 93.773971][ T5851] loop4: detected capacity change from 0 to 32768 [ 93.782661][ T5853] loop0: detected capacity change from 0 to 32768 [ 93.809213][ T5850] loop3: detected capacity change from 0 to 32768 [pid 5851] mount("/dev/loop4", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5851] <... mount resumed>) = 0 [pid 5849] <... openat resumed>) = 4 [pid 5849] ioctl(4, LOOP_SET_FD, 3 [pid 5854] <... ioctl resumed>) = 0 [pid 5851] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5854] close(3) = 0 [pid 5851] <... openat resumed>) = 3 [pid 5854] close(4 [pid 5851] chdir("./file0" [pid 5854] <... close resumed>) = 0 [pid 5851] <... chdir resumed>) = 0 [pid 5854] mkdir("./file0", 0777 [pid 5851] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5854] <... mkdir resumed>) = 0 [pid 5851] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] <... ioctl resumed>) = 0 [pid 5850] close(3) = 0 [pid 5850] close(4 [pid 5851] exit_group(0 [pid 5854] mount("/dev/loop2", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5851] <... exit_group resumed>) = ? [pid 5850] <... close resumed>) = 0 [pid 5853] <... mount resumed>) = 0 [pid 5850] mkdir("./file0", 0777 [pid 5853] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5850] <... mkdir resumed>) = 0 [pid 5853] <... openat resumed>) = 3 [pid 5850] mount("/dev/loop3", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5853] chdir("./file0" [pid 5851] +++ exited with 0 +++ [pid 5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=30 /* 0.30 s */} --- [pid 5837] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5853] <... chdir resumed>) = 0 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5837] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5853] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... openat resumed>) = 3 [pid 5853] exit_group(0 [pid 5837] newfstatat(3, "", [pid 5853] <... exit_group resumed>) = ? [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5837] getdents64(3, 0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... mount resumed>) = 0 [pid 5853] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=28 /* 0.28 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5849] <... ioctl resumed>) = 0 [pid 5854] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5850] <... mount resumed>) = 0 [pid 5837] <... umount2 resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5854] <... openat resumed>) = 3 [pid 5850] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... openat resumed>) = 3 [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5850] chdir("./file0" [pid 5837] newfstatat(AT_FDCWD, "./1/file0", [pid 5833] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5850] <... chdir resumed>) = 0 [pid 5849] close(3 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 93.823482][ T5854] loop2: detected capacity change from 0 to 32768 [ 93.825515][ T5849] loop1: detected capacity change from 0 to 32768 [pid 5850] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5849] <... close resumed>) = 0 [pid 5837] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5854] chdir("./file0" [pid 5850] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5854] <... chdir resumed>) = 0 [pid 5850] exit_group(0 [pid 5837] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(3, "", [pid 5854] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5850] <... exit_group resumed>) = ? [pid 5849] close(4 [pid 5837] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5854] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5850] +++ exited with 0 +++ [pid 5849] <... close resumed>) = 0 [pid 5837] newfstatat(4, "", [pid 5833] getdents64(3, [pid 5849] mkdir("./file0", 0777 [pid 5837] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5854] exit_group(0 [pid 5849] <... mkdir resumed>) = 0 [pid 5837] getdents64(4, [pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=35 /* 0.35 s */} --- [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] <... exit_group resumed>) = ? [pid 5849] mount("/dev/loop1", "./file0", "jfs", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "discard,iocharset=cp874,quota,usrquota,iocharset=cp861,integrity,nointegrity" [pid 5837] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5836] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5837] getdents64(4, 0x55557041c730 /* 0 entries */, 32768) = 0 [pid 5837] close(4) = 0 [pid 5837] rmdir("./1/file0" [pid 5836] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5854] +++ exited with 0 +++ [pid 5836] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5837] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5836] newfstatat(3, "", [pid 5835] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=27 /* 0.27 s */} --- [pid 5833] newfstatat(AT_FDCWD, "./1/file0", [pid 5837] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5836] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5835] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5837] newfstatat(AT_FDCWD, "./1/binderfs", [pid 5836] getdents64(3, [pid 5835] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5849] <... mount resumed>) = 0 [pid 5837] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5835] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5849] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5849] <... openat resumed>) = 3 [pid 5837] unlink("./1/binderfs" [pid 5835] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 4 [pid 5849] chdir("./file0" [pid 5837] <... unlink resumed>) = 0 [pid 5835] newfstatat(3, "", [pid 5833] newfstatat(4, "", [pid 5849] <... chdir resumed>) = 0 [pid 5836] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5835] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5837] getdents64(3, [pid 5836] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5835] getdents64(3, [pid 5833] getdents64(4, [pid 5849] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5837] <... getdents64 resumed>0x5555704146f0 /* 0 entries */, 32768) = 0 [pid 5835] <... getdents64 resumed>0x5555704146f0 /* 4 entries */, 32768) = 112 [pid 5833] <... getdents64 resumed>0x55557041c730 /* 2 entries */, 32768) = 48 [pid 5837] close(3 [pid 5835] umount2("./1/file0", MNT_FORCE|UMOUNT_NOFOLLOW