./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2017740430 <...> DUID 00:04:23:68:77:f1:65:66:05:56:fc:6e:24:65:03:30:d5:25 forked to background, child pid 4667 [ 21.047453][ T4668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.057011][ T4668] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.107' (ECDSA) to the list of known hosts. execve("./syz-executor2017740430", ["./syz-executor2017740430"], 0x7ffe96fd4a20 /* 10 vars */) = 0 brk(NULL) = 0x555555834000 brk(0x555555834c40) = 0x555555834c40 arch_prctl(ARCH_SET_FS, 0x555555834300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2017740430", 4096) = 28 brk(0x555555855c40) = 0x555555855c40 brk(0x555555856000) = 0x555555856000 mprotect(0x7fd4e24be000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5000 attached , child_tidptr=0x5555558345d0) = 5000 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getpid(./strace-static-x86_64: Process 5001 attached [pid 4999] <... clone resumed>, child_tidptr=0x5555558345d0) = 5001 [pid 5000] <... getpid resumed>) = 5000 [pid 5000] mkdir("./syzkaller.302Ygi", 0700 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] getpid( [pid 5000] <... mkdir resumed>) = 0 [pid 5000] chmod("./syzkaller.302Ygi", 0777 [pid 5001] <... getpid resumed>) = 5001 [pid 5000] <... chmod resumed>) = 0 [pid 5000] chdir("./syzkaller.302Ygi" [pid 5001] mkdir("./syzkaller.aZb2gk", 0700 [pid 5000] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5002 attached [pid 4999] <... clone resumed>, child_tidptr=0x5555558345d0) = 5002 [pid 5000] mkdir("./0", 0777 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getpid( [pid 5001] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5003 attached [pid 5002] <... getpid resumed>) = 5002 [pid 5001] chmod("./syzkaller.aZb2gk", 0777 [pid 5000] <... mkdir resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555558345d0) = 5003 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] mkdir("./syzkaller.JvFIjs", 0700 [pid 5001] <... chmod resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5003] getpid( [pid 5001] chdir("./syzkaller.aZb2gk" [pid 5000] ioctl(3, LOOP_CLR_FD [pid 4999] <... clone resumed>, child_tidptr=0x5555558345d0) = 5004 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... chdir resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] chmod("./syzkaller.JvFIjs", 0777 [pid 5000] close(3./strace-static-x86_64: Process 5005 attached ./strace-static-x86_64: Process 5004 attached [pid 5003] <... getpid resumed>) = 5003 [pid 5002] <... chmod resumed>) = 0 [pid 5001] mkdir("./0", 0777 [pid 5005] getpid( [pid 5004] getpid( [pid 5003] mkdir("./syzkaller.enGrRw", 0700 [pid 5002] chdir("./syzkaller.JvFIjs" [pid 5001] <... mkdir resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x5555558345d0) = 5005 [pid 5005] <... getpid resumed>) = 5005 [pid 5004] <... getpid resumed>) = 5004 [pid 5003] <... mkdir resumed>) = 0 [pid 5002] <... chdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... close resumed>) = 0 [pid 5005] mkdir("./syzkaller.eu3vmE", 0700 [pid 5004] mkdir("./syzkaller.g6zeOA", 0700 [pid 5003] chmod("./syzkaller.enGrRw", 0777 [pid 5002] mkdir("./0", 0777 [pid 5001] <... openat resumed>) = 3 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... mkdir resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5003] <... chmod resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5005] chmod("./syzkaller.eu3vmE", 0777 [pid 5004] chmod("./syzkaller.g6zeOA", 0777 [pid 5003] chdir("./syzkaller.enGrRw" [pid 5002] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] <... chmod resumed>) = 0 [pid 5004] <... chmod resumed>) = 0 [pid 5003] <... chdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5001] close(3./strace-static-x86_64: Process 5007 attached [pid 5004] chdir("./syzkaller.g6zeOA" [pid 5003] mkdir("./0", 0777 [pid 5000] <... clone resumed>, child_tidptr=0x5555558345d0) = 5007 [pid 5005] chdir("./syzkaller.eu3vmE" [pid 5004] <... chdir resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] <... close resumed>) = 0 [pid 5005] <... chdir resumed>) = 0 [pid 5004] mkdir("./0", 0777 [pid 5003] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] mkdir("./0", 0777 [pid 5004] <... mkdir resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5002] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... close resumed>) = 0 [pid 5001] <... clone resumed>, child_tidptr=0x5555558345d0) = 5008 [pid 5007] chdir("./0" [pid 5005] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... chdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] close(3 [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555558345d0) = 5009 ./strace-static-x86_64: Process 5008 attached [pid 5007] <... prctl resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5009 attached [pid 5008] chdir("./0" [pid 5007] setpgid(0, 0 [pid 5005] close(3 [pid 5004] <... close resumed>) = 0 [pid 5008] <... chdir resumed>) = 0 [pid 5007] <... setpgid resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... clone resumed>, child_tidptr=0x5555558345d0) = 5010 [pid 5009] chdir("./0" [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... clone resumed>, child_tidptr=0x5555558345d0) = 5011 [pid 5007] <... openat resumed>) = 3 [pid 5005] <... clone resumed>, child_tidptr=0x5555558345d0) = 5012 [pid 5008] <... prctl resumed>) = 0 [pid 5007] write(3, "1000", 4 [pid 5008] setpgid(0, 0 [pid 5007] <... write resumed>) = 4 [pid 5008] <... setpgid resumed>) = 0 [pid 5007] close(3 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... close resumed>) = 0 [pid 5009] <... chdir resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5010 attached [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] write(3, "1000", 4 [pid 5007] <... symlink resumed>) = 0 [pid 5010] chdir("./0" [pid 5009] <... prctl resumed>) = 0 [pid 5008] <... write resumed>) = 4 [pid 5007] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5012 attached [pid 5010] <... chdir resumed>) = 0 [pid 5009] setpgid(0, 0 [pid 5008] close(3 [pid 5012] chdir("./0" [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5012] <... chdir resumed>) = 0 [pid 5010] <... prctl resumed>) = 0 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] setpgid(0, 0 [pid 5012] <... prctl resumed>) = 0 [pid 5010] <... setpgid resumed>) = 0 [pid 5012] setpgid(0, 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5012] <... setpgid resumed>) = 0 [pid 5010] <... openat resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] write(3, "1000", 4 [pid 5012] <... openat resumed>) = 3 [pid 5010] <... write resumed>) = 4 [pid 5012] write(3, "1000", 4 [pid 5010] close(3 [pid 5012] <... write resumed>) = 4 [pid 5010] <... close resumed>) = 0 [pid 5012] close(3 [pid 5010] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... close resumed>) = 0 [pid 5010] <... symlink resumed>) = 0 [pid 5012] symlink("/dev/binderfs", "./binderfs" [pid 5010] memfd_create("syzkaller", 0 [pid 5012] <... symlink resumed>) = 0 [pid 5010] <... memfd_create resumed>) = 3 [pid 5009] <... setpgid resumed>) = 0 [pid 5008] <... close resumed>) = 0 ./strace-static-x86_64: Process 5011 attached [pid 5012] memfd_create("syzkaller", 0 [pid 5010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] symlink("/dev/binderfs", "./binderfs" [pid 5012] <... memfd_create resumed>) = 3 [pid 5010] <... mmap resumed>) = 0x7fd4da002000 [pid 5009] <... openat resumed>) = 3 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] chdir("./0" [pid 5010] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5009] write(3, "1000", 4 [pid 5008] <... symlink resumed>) = 0 [pid 5007] <... memfd_create resumed>) = 3 [pid 5012] <... mmap resumed>) = 0x7fd4da002000 [pid 5011] <... chdir resumed>) = 0 [pid 5010] <... write resumed>) = 524288 [pid 5009] <... write resumed>) = 4 [pid 5008] memfd_create("syzkaller", 0 [pid 5007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] close(3 [pid 5008] <... memfd_create resumed>) = 3 [pid 5007] <... mmap resumed>) = 0x7fd4da002000 [pid 5012] <... write resumed>) = 524288 [pid 5011] <... prctl resumed>) = 0 [pid 5009] <... close resumed>) = 0 [pid 5008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5007] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5011] setpgid(0, 0 [pid 5009] symlink("/dev/binderfs", "./binderfs" [pid 5008] <... mmap resumed>) = 0x7fd4da002000 [pid 5011] <... setpgid resumed>) = 0 [pid 5010] munmap(0x7fd4da002000, 524288 [pid 5009] <... symlink resumed>) = 0 [pid 5010] <... munmap resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] munmap(0x7fd4da002000, 524288 [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5010] <... openat resumed>) = 4 [pid 5009] memfd_create("syzkaller", 0 [pid 5008] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5012] <... munmap resumed>) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5010] ioctl(4, LOOP_SET_FD, 3 [pid 5009] <... memfd_create resumed>) = 3 [pid 5012] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5011] write(3, "1000", 4 [pid 5010] <... ioctl resumed>) = 0 [pid 5009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... write resumed>) = 524288 [pid 5007] <... write resumed>) = 524288 [pid 5012] <... openat resumed>) = 4 [pid 5012] ioctl(4, LOOP_SET_FD, 3 [pid 5011] <... write resumed>) = 4 syzkaller login: [ 41.723491][ T5007] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5007 'syz-executor201' [ 41.758357][ T5010] loop3: detected capacity change from 0 to 1024 [pid 5012] <... ioctl resumed>) = 0 [pid 5011] close(3 [pid 5009] <... mmap resumed>) = 0x7fd4da002000 [pid 5008] munmap(0x7fd4da002000, 524288 [pid 5007] munmap(0x7fd4da002000, 524288 [pid 5011] <... close resumed>) = 0 [pid 5010] close(3) = 0 [pid 5007] <... munmap resumed>) = 0 [pid 5011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5008] <... munmap resumed>) = 0 [pid 5011] memfd_create("syzkaller", 0 [pid 5008] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5007] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5011] <... memfd_create resumed>) = 3 [pid 5009] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5008] <... openat resumed>) = 4 [pid 5007] <... openat resumed>) = 4 [pid 5011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] ioctl(4, LOOP_SET_FD, 3 [pid 5007] ioctl(4, LOOP_SET_FD, 3 [pid 5011] <... mmap resumed>) = 0x7fd4da002000 [pid 5010] mkdir("./file0", 0777 [pid 5012] close(3) = 0 [pid 5012] mkdir("./file0", 0777) = 0 [pid 5012] mount("/dev/loop5", "./file0", "hfsplus", 0, "" [pid 5010] <... mkdir resumed>) = 0 [pid 5010] mount("/dev/loop3", "./file0", "hfsplus", 0, "" [pid 5007] <... ioctl resumed>) = 0 [pid 5011] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5009] <... write resumed>) = 524288 [pid 5011] <... write resumed>) = 524288 [pid 5009] munmap(0x7fd4da002000, 524288 [pid 5011] munmap(0x7fd4da002000, 524288 [pid 5009] <... munmap resumed>) = 0 [pid 5008] <... ioctl resumed>) = 0 [pid 5007] close(3 [pid 5011] <... munmap resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5011] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5008] close(3 [pid 5007] <... close resumed>) = 0 [pid 5009] <... openat resumed>) = 4 [pid 5012] <... mount resumed>) = 0 [pid 5011] <... openat resumed>) = 4 [pid 5009] ioctl(4, LOOP_SET_FD, 3 [pid 5008] <... close resumed>) = 0 [ 41.768093][ T5012] loop5: detected capacity change from 0 to 1024 [ 41.782338][ T5008] loop1: detected capacity change from 0 to 1024 [ 41.789275][ T5007] loop0: detected capacity change from 0 to 1024 [pid 5007] mkdir("./file0", 0777 [pid 5012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] ioctl(4, LOOP_SET_FD, 3 [pid 5012] <... openat resumed>) = 3 [pid 5012] chdir("./file0") = 0 [pid 5012] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] close(4) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5012] ioctl(4, LOOP_SET_BLOCK_SIZE, 2048 [pid 5009] <... ioctl resumed>) = 0 [pid 5009] close(3) = 0 [pid 5009] mkdir("./file0", 0777) = 0 [pid 5009] mount("/dev/loop2", "./file0", "hfsplus", 0, "" [pid 5008] mkdir("./file0", 0777 [pid 5011] <... ioctl resumed>) = 0 [pid 5008] <... mkdir resumed>) = 0 [pid 5007] <... mkdir resumed>) = 0 [pid 5011] close(3 [pid 5008] mount("/dev/loop1", "./file0", "hfsplus", 0, "" [pid 5007] mount("/dev/loop0", "./file0", "hfsplus", 0, "" [pid 5011] <... close resumed>) = 0 [pid 5010] <... mount resumed>) = 0 [pid 5008] <... mount resumed>) = 0 [pid 5011] mkdir("./file0", 0777 [pid 5008] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... mkdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] <... openat resumed>) = 3 [pid 5011] mount("/dev/loop4", "./file0", "hfsplus", 0, "" [pid 5010] <... openat resumed>) = 3 [pid 5008] chdir("./file0" [pid 5010] chdir("./file0" [pid 5008] <... chdir resumed>) = 0 [pid 5010] <... chdir resumed>) = 0 [pid 5008] ioctl(4, LOOP_CLR_FD [pid 5011] <... mount resumed>) = 0 [pid 5010] ioctl(4, LOOP_CLR_FD [pid 5008] <... ioctl resumed>) = 0 [pid 5011] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5010] <... ioctl resumed>) = 0 [pid 5008] close(4 [pid 5011] <... openat resumed>) = 3 [pid 5010] close(4 [pid 5008] <... close resumed>) = 0 [pid 5011] chdir("./file0" [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5011] <... chdir resumed>) = 0 [pid 5008] <... openat resumed>) = 4 [pid 5011] ioctl(4, LOOP_CLR_FD [pid 5008] ioctl(4, LOOP_SET_BLOCK_SIZE, 2048 [pid 5011] <... ioctl resumed>) = 0 [pid 5011] close(4) = 0 [pid 5011] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5011] ioctl(4, LOOP_SET_BLOCK_SIZE, 2048 [pid 5010] <... close resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5010] ioctl(4, LOOP_SET_BLOCK_SIZE, 2048 [pid 5009] <... mount resumed>) = 0 [pid 5009] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5009] chdir("./file0") = 0 [pid 5009] ioctl(4, LOOP_CLR_FD) = 0 [pid 5009] close(4) = 0 [pid 5009] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5009] ioctl(4, LOOP_SET_BLOCK_SIZE, 2048 [pid 5012] <... ioctl resumed>) = 0 [pid 5011] <... ioctl resumed>) = 0 [ 41.816426][ T5009] loop2: detected capacity change from 0 to 1024 [ 41.823149][ T5011] loop4: detected capacity change from 0 to 1024 [pid 5008] <... ioctl resumed>) = 0 [pid 5010] <... ioctl resumed>) = 0 [pid 5009] <... ioctl resumed>) = 0 [pid 5011] exit_group(0) = ? [pid 5009] exit_group(0 [pid 5011] +++ exited with 0 +++ [pid 5009] <... exit_group resumed>) = ? [pid 5009] +++ exited with 0 +++ [pid 5012] exit_group(0) = ? [pid 5008] exit_group(0 [pid 5010] exit_group(0 [pid 5012] +++ exited with 0 +++ [pid 5008] <... exit_group resumed>) = ? [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5010] <... exit_group resumed>) = ? [pid 5008] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5012, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5008, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5010] +++ exited with 0 +++ [pid 5002] <... restart_syscall resumed>) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5005] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5004] <... openat resumed>) = 3 [pid 5003] fstat(3, [pid 5002] <... openat resumed>) = 3 [pid 5001] fstat(3, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(3, [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] fstat(3, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] getdents64(3, [pid 5003] getdents64(3, [pid 5005] <... getdents64 resumed>0x555555835620 /* 4 entries */, 32768) = 112 [pid 5002] getdents64(3, [pid 5004] getdents64(3, [pid 5003] <... getdents64 resumed>0x555555835620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... getdents64 resumed>0x555555835620 /* 4 entries */, 32768) = 112 [pid 5001] <... getdents64 resumed>0x555555835620 /* 4 entries */, 32768) = 112 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555835620 /* 4 entries */, 32768) = 112 [pid 5001] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] lstat("./0/binderfs", [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./0/binderfs", [pid 5005] unlink("./0/binderfs" [pid 5004] lstat("./0/binderfs", [pid 5003] lstat("./0/binderfs", [pid 5002] lstat("./0/binderfs", [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... unlink resumed>) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5001] unlink("./0/binderfs" [pid 5003] unlink("./0/binderfs" [pid 5002] unlink("./0/binderfs" [pid 5001] <... unlink resumed>) = 0 [pid 5004] unlink("./0/binderfs" [pid 5003] <... unlink resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... mount resumed>) = -1 EINVAL (Invalid argument) [pid 5007] ioctl(4, LOOP_CLR_FD [pid 5003] <... umount2 resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 41.858904][ T5007] hfsplus: unable to set blocksize to 1024! [ 41.867073][ T5007] hfsplus: unable to find HFS+ superblock [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5003] fstat(4, [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = 0 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] getdents64(4, [pid 5002] lstat("./0/file0", [pid 5005] lstat("./0/file0", [pid 5004] lstat("./0/file0", [pid 5003] <... getdents64 resumed>0x55555583d660 /* 2 entries */, 32768) = 48 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... getdents64 resumed>0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] close(4 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] lstat("./0/file0", [pid 5005] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... close resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5001] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5004] <... openat resumed>) = 4 [pid 5003] rmdir("./0/file0" [pid 5002] <... openat resumed>) = 4 [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5007] <... ioctl resumed>) = 0 [pid 5005] fstat(4, [pid 5004] fstat(4, [pid 5003] <... rmdir resumed>) = 0 [pid 5002] fstat(4, [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] close(4 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5001] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... close resumed>) = 0 [pid 5005] getdents64(4, [pid 5004] getdents64(4, [pid 5003] <... getdents64 resumed>0x555555835620 /* 0 entries */, 32768) = 0 [pid 5002] getdents64(4, [pid 5001] <... openat resumed>) = 4 [pid 5007] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5005] <... getdents64 resumed>0x55555583d660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x55555583d660 /* 2 entries */, 32768) = 48 [pid 5003] close(3 [pid 5002] <... getdents64 resumed>0x55555583d660 /* 2 entries */, 32768) = 48 [pid 5001] fstat(4, [pid 5007] <... openat resumed>) = 3 [pid 5005] getdents64(4, [pid 5004] getdents64(4, [pid 5003] <... close resumed>) = 0 [pid 5002] getdents64(4, [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] ioctl(3, LOOP_SET_BLOCK_SIZE, 2048 [pid 5005] <... getdents64 resumed>0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5003] rmdir("./0" [pid 5001] getdents64(4, [pid 5007] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(4 [pid 5004] close(4 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5001] <... getdents64 resumed>0x55555583d660 /* 2 entries */, 32768) = 48 [pid 5007] exit_group(0 [pid 5005] <... close resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5003] mkdir("./1", 0777 [pid 5002] close(4 [pid 5001] getdents64(4, [pid 5007] <... exit_group resumed>) = ? [pid 5004] rmdir("./0/file0" [pid 5003] <... mkdir resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5007] +++ exited with 0 +++ [pid 5004] <... rmdir resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5002] rmdir("./0/file0" [pid 5001] close(4 [pid 5004] getdents64(3, [pid 5003] <... openat resumed>) = 3 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x555555835620 /* 0 entries */, 32768) = 0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] getdents64(3, [pid 5001] rmdir("./0/file0" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5004] close(3 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] <... getdents64 resumed>0x555555835620 /* 0 entries */, 32768) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5004] <... close resumed>) = 0 [pid 5003] close(3 [pid 5002] close(3 [pid 5001] getdents64(3, [pid 5000] <... restart_syscall resumed>) = 0 [pid 5004] rmdir("./0" [pid 5003] <... close resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5001] <... getdents64 resumed>0x555555835620 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] rmdir("./0" [pid 5001] close(3 [pid 5005] rmdir("./0/file0" [pid 5004] mkdir("./1", 0777 [pid 5002] <... rmdir resumed>) = 0 [pid 5001] <... close resumed>) = 0 [pid 5000] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... mkdir resumed>) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x5555558345d0) = 5018 [pid 5002] mkdir("./1", 0777 [pid 5001] rmdir("./0" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(3, [pid 5004] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x555555835620 /* 0 entries */, 32768) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5001] mkdir("./1", 0777 [pid 5000] <... openat resumed>) = 3 [pid 5005] close(3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] <... openat resumed>) = 3 [pid 5001] <... mkdir resumed>) = 0 [pid 5000] fstat(3, [pid 5005] <... close resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5001] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5018 attached [pid 5005] rmdir("./0" [pid 5004] close(3 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 5018] chdir("./1" [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5002] close(3 [pid 5001] ioctl(3, LOOP_CLR_FD [pid 5000] <... getdents64 resumed>0x555555835620 /* 4 entries */, 32768) = 112 [pid 5018] <... chdir resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... close resumed>) = 0 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5018] <... prctl resumed>) = 0 [pid 5005] mkdir("./1", 0777 [pid 5004] <... clone resumed>, child_tidptr=0x5555558345d0) = 5019 [pid 5001] <... close resumed>) = 0 [pid 5000] lstat("./0/binderfs", [pid 5018] setpgid(0, 0 [pid 5002] <... clone resumed>, child_tidptr=0x5555558345d0) = 5020 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5018] <... setpgid resumed>) = 0 [pid 5000] unlink("./0/binderfs" [pid 5005] <... mkdir resumed>) = 0 [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5001] <... clone resumed>, child_tidptr=0x5555558345d0) = 5021 [pid 5000] <... unlink resumed>) = 0 [pid 5018] <... openat resumed>) = 3 [pid 5000] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5018] write(3, "1000", 4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5018] <... write resumed>) = 4 [pid 5000] lstat("./0/file0", ./strace-static-x86_64: Process 5019 attached [pid 5018] close(3 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5020 attached [pid 5019] chdir("./1" [pid 5018] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5000] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5020] chdir("./1" [pid 5019] <... chdir resumed>) = 0 [pid 5018] symlink("/dev/binderfs", "./binderfs" [pid 5005] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... chdir resumed>) = 0 [pid 5019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5018] <... symlink resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5000] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5019] <... prctl resumed>) = 0 [pid 5018] memfd_create("syzkaller", 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... openat resumed>) = 4 [pid 5020] <... prctl resumed>) = 0 [pid 5019] setpgid(0, 0 [pid 5018] <... memfd_create resumed>) = 3 [pid 5005] close(3 [pid 5000] fstat(4, [pid 5020] setpgid(0, 0 [pid 5019] <... setpgid resumed>) = 0 [pid 5018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... close resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5021 attached [pid 5020] <... setpgid resumed>) = 0 [pid 5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5018] <... mmap resumed>) = 0x7fd4da002000 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(4, [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5019] <... openat resumed>) = 3 [pid 5018] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5000] <... getdents64 resumed>0x55555583d660 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 5022 attached [pid 5021] chdir("./1" [pid 5020] <... openat resumed>) = 3 [pid 5019] write(3, "1000", 4 [pid 5000] getdents64(4, [pid 5022] chdir("./1" [pid 5021] <... chdir resumed>) = 0 [pid 5020] write(3, "1000", 4 [pid 5019] <... write resumed>) = 4 [pid 5005] <... clone resumed>, child_tidptr=0x5555558345d0) = 5022 [pid 5000] <... getdents64 resumed>0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5022] <... chdir resumed>) = 0 [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5020] <... write resumed>) = 4 [pid 5019] close(3 [pid 5000] close(4 [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5021] <... prctl resumed>) = 0 [pid 5020] close(3 [pid 5019] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5022] <... prctl resumed>) = 0 [pid 5021] setpgid(0, 0 [pid 5020] <... close resumed>) = 0 [pid 5019] symlink("/dev/binderfs", "./binderfs" [pid 5000] rmdir("./0/file0" [pid 5022] setpgid(0, 0 [pid 5021] <... setpgid resumed>) = 0 [pid 5020] symlink("/dev/binderfs", "./binderfs" [pid 5019] <... symlink resumed>) = 0 [pid 5018] <... write resumed>) = 524288 [pid 5022] <... setpgid resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] <... rmdir resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5021] <... openat resumed>) = 3 [pid 5020] <... symlink resumed>) = 0 [pid 5019] memfd_create("syzkaller", 0 [pid 5018] munmap(0x7fd4da002000, 524288 [pid 5000] getdents64(3, [pid 5022] <... openat resumed>) = 3 [pid 5021] write(3, "1000", 4 [pid 5020] memfd_create("syzkaller", 0 [pid 5019] <... memfd_create resumed>) = 3 [pid 5018] <... munmap resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555835620 /* 0 entries */, 32768) = 0 [pid 5022] write(3, "1000", 4 [pid 5021] <... write resumed>) = 4 [pid 5020] <... memfd_create resumed>) = 3 [pid 5019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5018] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] close(3 [pid 5022] <... write resumed>) = 4 [pid 5021] close(3 [pid 5020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5019] <... mmap resumed>) = 0x7fd4da002000 [pid 5018] <... openat resumed>) = 4 [pid 5000] <... close resumed>) = 0 [pid 5022] close(3 [pid 5021] <... close resumed>) = 0 [pid 5020] <... mmap resumed>) = 0x7fd4da002000 [pid 5019] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5018] ioctl(4, LOOP_SET_FD, 3 [pid 5000] rmdir("./0" [pid 5022] <... close resumed>) = 0 [pid 5021] symlink("/dev/binderfs", "./binderfs" [pid 5020] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5022] symlink("/dev/binderfs", "./binderfs" [pid 5021] <... symlink resumed>) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5022] <... symlink resumed>) = 0 [pid 5021] memfd_create("syzkaller", 0 [pid 5000] mkdir("./1", 0777 [pid 5022] memfd_create("syzkaller", 0 [pid 5021] <... memfd_create resumed>) = 3 [pid 5022] <... memfd_create resumed>) = 3 [pid 5021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5000] <... mkdir resumed>) = 0 [pid 5022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5021] <... mmap resumed>) = 0x7fd4da002000 [pid 5022] <... mmap resumed>) = 0x7fd4da002000 [pid 5021] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5022] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5021] <... write resumed>) = 524288 [pid 5020] <... write resumed>) = 524288 [pid 5019] <... write resumed>) = 524288 [pid 5018] <... ioctl resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5020] munmap(0x7fd4da002000, 524288 [pid 5019] munmap(0x7fd4da002000, 524288 [pid 5018] close(3 [pid 5000] <... openat resumed>) = 3 [pid 5021] munmap(0x7fd4da002000, 524288 [pid 5020] <... munmap resumed>) = 0 [pid 5019] <... munmap resumed>) = 0 [pid 5018] <... close resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5021] <... munmap resumed>) = 0 [pid 5020] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5019] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5018] mkdir("./file0", 0777 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5022] <... write resumed>) = 524288 [pid 5021] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5020] <... openat resumed>) = 4 [pid 5019] <... openat resumed>) = 4 [pid 5018] <... mkdir resumed>) = 0 [pid 5000] close(3 [pid 5022] munmap(0x7fd4da002000, 524288 [pid 5021] <... openat resumed>) = 4 [pid 5020] ioctl(4, LOOP_SET_FD, 3 [pid 5019] ioctl(4, LOOP_SET_FD, 3 [pid 5018] mount("/dev/loop3", "./file0", "hfsplus", 0, "" [pid 5000] <... close resumed>) = 0 [pid 5022] <... munmap resumed>) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5022] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5022] close(3) = 0 [pid 5022] mkdir("./file0", 0777) = 0 [pid 5022] mount("/dev/loop5", "./file0", "hfsplus", 0, "") = 0 [pid 5022] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5022] chdir("./file0") = 0 [pid 5022] ioctl(4, LOOP_CLR_FD) = 0 [pid 5022] close(4) = 0 [pid 5022] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5022] ioctl(4, LOOP_SET_BLOCK_SIZE, 2048 [pid 5020] <... ioctl resumed>) = 0 [pid 5022] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5022] exit_group(0) = ? [pid 5022] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5022, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555835620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./1/binderfs") = 0 [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5021] ioctl(4, LOOP_SET_FD, 3 [pid 5020] close(3 [pid 5019] <... ioctl resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x55555583d660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x55555583d660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./1/file0") = 0 [pid 5005] getdents64(3, 0x555555835620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./1") = 0 [pid 5005] mkdir("./2", 0777 [pid 5019] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x5555558345d0) = 5023 [pid 5005] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5018] <... mount resumed>) = 0 [pid 5019] <... close resumed>) = 0 [pid 5020] <... close resumed>) = 0 [pid 5019] mkdir("./file0", 0777 [pid 5018] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5020] mkdir("./file0", 0777 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5019] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5018] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5019] mount("/dev/loop4", "./file0", "hfsplus", 0, "" [pid 5018] chdir("./file0" [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD