./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1328473666 <...> Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. execve("./syz-executor1328473666", ["./syz-executor1328473666"], 0x7ffe6e110090 /* 10 vars */) = 0 brk(NULL) = 0x555555adc000 brk(0x555555adcc40) = 0x555555adcc40 arch_prctl(ARCH_SET_FS, 0x555555adc300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555adc5d0) = 4996 set_robust_list(0x555555adc5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7feef96d2530, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7feef96d2c00}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7feef96d25d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7feef96d2c00}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1328473666", 4096) = 28 brk(0x555555afdc40) = 0x555555afdc40 brk(0x555555afe000) = 0x555555afe000 mprotect(0x7feef979a000, 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, child_tidptr=0x555555adc5d0) = 4997 ./strace-static-x86_64: Process 4997 attached [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] set_robust_list(0x555555adc5e0, 24./strace-static-x86_64: Process 4998 attached [pid 4996] <... clone resumed>, child_tidptr=0x555555adc5d0) = 4998 [pid 4997] <... set_robust_list resumed>) = 0 [pid 4998] set_robust_list(0x555555adc5e0, 24 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] getpid(./strace-static-x86_64: Process 4999 attached [pid 4996] <... clone resumed>, child_tidptr=0x555555adc5d0) = 4999 [pid 4998] <... set_robust_list resumed>) = 0 [pid 4999] set_robust_list(0x555555adc5e0, 24 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... getpid resumed>) = 4997 [pid 4997] mkdir("./syzkaller.3EOi71", 0700./strace-static-x86_64: Process 5000 attached [pid 4999] <... set_robust_list resumed>) = 0 [pid 4998] getpid( [pid 4997] <... mkdir resumed>) = 0 [pid 4997] chmod("./syzkaller.3EOi71", 0777 [pid 4996] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5000 [pid 5000] set_robust_list(0x555555adc5e0, 24 [pid 4999] getpid( [pid 4998] <... getpid resumed>) = 4998 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... chmod resumed>) = 0 [pid 4997] chdir("./syzkaller.3EOi71") = 0 [pid 4998] mkdir("./syzkaller.Eq8667", 0700 [pid 4997] mkdir("./0", 0777) = 0 [pid 4997] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 4998] <... mkdir resumed>) = 0 [pid 4996] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5001 [pid 4998] chmod("./syzkaller.Eq8667", 0777 [pid 4996] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... openat resumed>) = 3 [pid 4998] <... chmod resumed>) = 0 [pid 4997] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 4997] close(3 [pid 4998] chdir("./syzkaller.Eq8667" [pid 4997] <... close resumed>) = 0 [pid 4997] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555adc5d0) = 5003 ./strace-static-x86_64: Process 5001 attached [pid 5001] set_robust_list(0x555555adc5e0, 24) = 0 [pid 5001] getpid() = 5001 [pid 5001] mkdir("./syzkaller.7KGbvl", 0700) = 0 ./strace-static-x86_64: Process 5002 attached [pid 5002] set_robust_list(0x555555adc5e0, 24 [pid 5001] chmod("./syzkaller.7KGbvl", 0777) = 0 [pid 5002] <... set_robust_list resumed>) = 0 [pid 5002] getpid( [pid 5001] chdir("./syzkaller.7KGbvl") = 0 [pid 5001] mkdir("./0", 0777) = 0 [pid 5002] <... getpid resumed>) = 5002 [pid 5002] mkdir("./syzkaller.ltiJJr", 0700 [pid 4996] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5002 [pid 4998] <... chdir resumed>) = 0 [pid 5001] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 4999] <... getpid resumed>) = 4999 [pid 4998] mkdir("./0", 0777) = 0 [pid 4999] mkdir("./syzkaller.AivQNd", 0700 [pid 5002] <... mkdir resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 4998] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5002] chmod("./syzkaller.ltiJJr", 0777 [pid 4998] <... openat resumed>) = 3 [pid 4998] ioctl(3, LOOP_CLR_FD [pid 5001] ioctl(3, LOOP_CLR_FD [pid 4998] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4998] close(3) = 0 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4999] <... mkdir resumed>) = 0 [pid 5002] <... chmod resumed>) = 0 [pid 5002] chdir("./syzkaller.ltiJJr") = 0 [pid 5002] mkdir("./0", 0777 [pid 5001] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5001] close(3 [pid 4999] chmod("./syzkaller.AivQNd", 0777 [pid 4998] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5004 ./strace-static-x86_64: Process 5003 attached [pid 5001] <... close resumed>) = 0 [pid 4999] <... chmod resumed>) = 0 [pid 5003] set_robust_list(0x555555adc5e0, 24 [pid 5001] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... set_robust_list resumed>) = 0 [pid 4999] chdir("./syzkaller.AivQNd") = 0 [pid 5000] getpid( [pid 4999] mkdir("./0", 0777 [pid 5003] <... set_robust_list resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] <... getpid resumed>) = 5000 [pid 4999] <... mkdir resumed>) = 0 [pid 5003] chdir("./0" [pid 4999] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] mkdir("./syzkaller.q7kJdi", 0700 [pid 5003] <... chdir resumed>) = 0 [pid 4999] <... openat resumed>) = 3 [pid 5003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5003] setpgid(0, 0 [pid 4999] ioctl(3, LOOP_CLR_FD [pid 5003] <... setpgid resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... openat resumed>) = 3 [pid 5001] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5005 [pid 5000] <... mkdir resumed>) = 0 [pid 4999] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... openat resumed>) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] chmod("./syzkaller.q7kJdi", 0777 [pid 4999] close(3 [pid 5003] write(3, "1000", 4 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 4999] <... close resumed>) = 0 [pid 5003] <... write resumed>) = 4 [pid 5002] close(3 [pid 5000] <... chmod resumed>) = 0 [pid 4999] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] close(3 [pid 5002] <... close resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5004 attached [pid 5003] symlink("/dev/binderfs", "./binderfs" [pid 5000] chdir("./syzkaller.q7kJdi" [pid 5004] set_robust_list(0x555555adc5e0, 24 [pid 5003] <... symlink resumed>) = 0 [pid 5000] <... chdir resumed>) = 0 [pid 4999] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5006 ./strace-static-x86_64: Process 5005 attached [pid 5003] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5007 [pid 5005] set_robust_list(0x555555adc5e0, 24 [pid 5004] <... set_robust_list resumed>) = 0 [pid 5003] <... futex resumed>) = 0 [pid 5000] mkdir("./0", 0777 [pid 5005] <... set_robust_list resumed>) = 0 [pid 5003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] chdir("./0" [pid 5003] <... mmap resumed>) = 0x7feef96a1000 [pid 5000] <... mkdir resumed>) = 0 [pid 5005] <... chdir resumed>) = 0 [pid 5003] mprotect(0x7feef96a2000, 131072, PROT_READ|PROT_WRITE [pid 5000] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] chdir("./0" [pid 5003] <... mprotect resumed>) = 0 [pid 5005] <... prctl resumed>) = 0 [pid 5004] <... chdir resumed>) = 0 [pid 5003] clone(child_stack=0x7feef96c13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] <... openat resumed>) = 3 [pid 5005] setpgid(0, 0 [pid 5004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5007 attached [pid 5005] <... setpgid resumed>) = 0 [pid 5004] <... prctl resumed>) = 0 [pid 5003] <... clone resumed>, parent_tid=[5008], tls=0x7feef96c1700, child_tidptr=0x7feef96c19d0) = 5008 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5006 attached [pid 5007] set_robust_list(0x555555adc5e0, 24 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] setpgid(0, 0 [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(3 [pid 5007] <... set_robust_list resumed>) = 0 [pid 5006] set_robust_list(0x555555adc5e0, 24 [pid 5005] <... openat resumed>) = 3 [pid 5004] <... setpgid resumed>) = 0 [pid 5003] <... futex resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5007] chdir("./0" [pid 5006] <... set_robust_list resumed>) = 0 [pid 5005] write(3, "1000", 4 [pid 5004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... chdir resumed>) = 0 [pid 5006] chdir("./0" [pid 5005] <... write resumed>) = 4 [pid 5004] <... openat resumed>) = 3 [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] close(3 [pid 5007] <... prctl resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5007] setpgid(0, 0 [pid 5006] <... chdir resumed>) = 0 [pid 5005] symlink("/dev/binderfs", "./binderfs" [pid 5004] write(3, "1000", 4 [pid 5007] <... setpgid resumed>) = 0 [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5005] <... symlink resumed>) = 0 [pid 5004] <... write resumed>) = 4 [pid 5000] <... clone resumed>, child_tidptr=0x555555adc5d0) = 5010 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... prctl resumed>) = 0 [pid 5005] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] close(3 [pid 5007] <... openat resumed>) = 3 [pid 5006] setpgid(0, 0 [pid 5005] <... futex resumed>) = 0 [pid 5004] <... close resumed>) = 0 ./strace-static-x86_64: Process 5008 attached [pid 5007] write(3, "1000", 4 [pid 5006] <... setpgid resumed>) = 0 [pid 5005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5010 attached [pid 5008] set_robust_list(0x7feef96c19e0, 24 [pid 5007] <... write resumed>) = 4 [pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... mmap resumed>) = 0x7feef96a1000 [pid 5010] set_robust_list(0x555555adc5e0, 24 [pid 5008] <... set_robust_list resumed>) = 0 [pid 5007] close(3 [pid 5005] mprotect(0x7feef96a2000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... symlink resumed>) = 0 [pid 5010] <... set_robust_list resumed>) = 0 [pid 5007] <... close resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5005] <... mprotect resumed>) = 0 [pid 5004] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] chdir("./0" [pid 5007] symlink("/dev/binderfs", "./binderfs" [pid 5006] write(3, "1000", 4 [pid 5005] clone(child_stack=0x7feef96c13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] <... futex resumed>) = 0 [pid 5010] <... chdir resumed>) = 0 [pid 5008] memfd_create("syzkaller", 0 [pid 5007] <... symlink resumed>) = 0 [pid 5006] <... write resumed>) = 4 [pid 5004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] close(3 [pid 5005] <... clone resumed>, parent_tid=[5011], tls=0x7feef96c1700, child_tidptr=0x7feef96c19d0) = 5011 [pid 5010] <... prctl resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] setpgid(0, 0 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... futex resumed>) = 0 [pid 5010] <... setpgid resumed>) = 0 [pid 5007] <... mmap resumed>) = 0x7feef96a1000 [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] mprotect(0x7feef96a2000, 131072, PROT_READ|PROT_WRITE [pid 5010] <... openat resumed>) = 3 [pid 5007] <... mprotect resumed>) = 0 [pid 5010] write(3, "1000", 4 [pid 5007] clone(child_stack=0x7feef96c13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5010] <... write resumed>) = 4 [pid 5010] close(3 [pid 5007] <... clone resumed>, parent_tid=[5012], tls=0x7feef96c1700, child_tidptr=0x7feef96c19d0) = 5012 [pid 5010] <... close resumed>) = 0 [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... futex resumed>) = 0 [pid 5010] <... symlink resumed>) = 0 [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5010] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7feef96a1000 [pid 5010] mprotect(0x7feef96a2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5010] clone(child_stack=0x7feef96c13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5013], tls=0x7feef96c1700, child_tidptr=0x7feef96c19d0) = 5013 [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5011 attached [pid 5011] set_robust_list(0x7feef96c19e0, 24) = 0 [pid 5011] memfd_create("syzkaller", 0) = 3 [pid 5011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feef12a1000 [pid 5006] <... close resumed>) = 0 [pid 5004] <... mmap resumed>) = 0x7feef96a1000 [pid 5006] symlink("/dev/binderfs", "./binderfs" [pid 5004] mprotect(0x7feef96a2000, 131072, PROT_READ|PROT_WRITE [pid 5006] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5013 attached [pid 5006] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... mprotect resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5013] set_robust_list(0x7feef96c19e0, 24) = 0 [pid 5004] clone(child_stack=0x7feef96c13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5013] memfd_create("syzkaller", 0 [pid 5006] <... mmap resumed>) = 0x7feef96a1000 [pid 5006] mprotect(0x7feef96a2000, 131072, PROT_READ|PROT_WRITE [pid 5004] <... clone resumed>, parent_tid=[5014], tls=0x7feef96c1700, child_tidptr=0x7feef96c19d0) = 5014 [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... mprotect resumed>) = 0 [pid 5004] <... futex resumed>) = 0 [pid 5013] <... memfd_create resumed>) = 3 [pid 5006] clone(child_stack=0x7feef96c13f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feef12a1000 [pid 5006] <... clone resumed>, parent_tid=[5015], tls=0x7feef96c1700, child_tidptr=0x7feef96c19d0) = 5015 ./strace-static-x86_64: Process 5014 attached [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5014] set_robust_list(0x7feef96c19e0, 24 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5014] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5012 attached [pid 5014] memfd_create("syzkaller", 0./strace-static-x86_64: Process 5015 attached [pid 5015] set_robust_list(0x7feef96c19e0, 24 [pid 5014] <... memfd_create resumed>) = 3 [pid 5012] set_robust_list(0x7feef96c19e0, 24 [pid 5015] <... set_robust_list resumed>) = 0 [pid 5014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] <... set_robust_list resumed>) = 0 [pid 5015] memfd_create("syzkaller", 0 [pid 5014] <... mmap resumed>) = 0x7feef12a1000 [pid 5012] memfd_create("syzkaller", 0 [pid 5008] <... memfd_create resumed>) = 3 [pid 5015] <... memfd_create resumed>) = 3 [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feef12a1000 [pid 5012] <... memfd_create resumed>) = 3 [pid 5008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5008] <... mmap resumed>) = 0x7feef12a1000 syzkaller login: [ 43.621729][ T5008] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5008 'syz-executor132' [pid 5012] <... mmap resumed>) = 0x7feef12a1000 [pid 5014] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 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"..., 16777216 [pid 5015] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 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"..., 16777216 [pid 5013] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 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"..., 16777216 [pid 5008] <... write resumed>) = 16777216 [pid 5014] <... write resumed>) = 16777216 [pid 5014] munmap(0x7feef12a1000, 16777216 [pid 5008] munmap(0x7feef12a1000, 16777216 [pid 5014] <... munmap resumed>) = 0 [pid 5014] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5014] ioctl(4, LOOP_SET_FD, 3 [pid 5008] <... munmap resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5008] ioctl(4, LOOP_SET_FD, 3 [pid 5014] <... ioctl resumed>) = 0 [pid 5014] close(3) = 0 [pid 5014] mkdir("./file0", 0777) = 0 [pid 5014] mount("/dev/loop1", "./file0", "jfs", MS_REC, "" [pid 5015] <... write resumed>) = 16777216 [pid 5015] munmap(0x7feef12a1000, 16777216 [pid 5008] <... ioctl resumed>) = 0 [pid 5008] close(3) = 0 [pid 5008] mkdir("./file0", 0777 [pid 5011] <... write resumed>) = 16777216 [pid 5008] <... mkdir resumed>) = 0 [pid 5008] mount("/dev/loop0", "./file0", "jfs", MS_REC, "") = 0 [pid 5008] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5014] <... mount resumed>) = 0 [pid 5008] <... openat resumed>) = 3 [pid 5014] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] chdir("./file0" [ 44.224086][ T5014] loop1: detected capacity change from 0 to 32768 [ 44.241950][ T5008] loop0: detected capacity change from 0 to 32768 [pid 5014] <... openat resumed>) = 3 [pid 5008] <... chdir resumed>) = 0 [pid 5014] chdir("./file0" [pid 5008] ioctl(4, LOOP_CLR_FD [pid 5014] <... chdir resumed>) = 0 [pid 5008] <... ioctl resumed>) = 0 [pid 5014] ioctl(4, LOOP_CLR_FD [pid 5008] close(4 [pid 5014] <... ioctl resumed>) = 0 [pid 5015] <... munmap resumed>) = 0 [pid 5014] close(4 [pid 5013] <... write resumed>) = 16777216 [pid 5008] <... close resumed>) = 0 [pid 5015] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5014] <... close resumed>) = 0 [pid 5013] munmap(0x7feef12a1000, 16777216 [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... openat resumed>) = 4 [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 1 [pid 5003] <... futex resumed>) = 0 [pid 5015] ioctl(4, LOOP_SET_FD, 3 [pid 5014] <... futex resumed>) = 1 [pid 5008] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] munmap(0x7feef12a1000, 16777216 [pid 5008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... ioctl resumed>) = 0 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... munmap resumed>) = 0 [pid 5012] <... write resumed>) = 16777216 [pid 5011] <... munmap resumed>) = 0 [pid 5008] open(".", O_RDONLY [pid 5004] <... futex resumed>) = 0 [pid 5003] <... futex resumed>) = 0 [pid 5014] open(".", O_RDONLY [pid 5008] <... open resumed>) = 4 [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] <... open resumed>) = 4 [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 0 [pid 5003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... futex resumed>) = 1 [pid 5008] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... futex resumed>) = 0 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] open_by_handle_at(4, {handle_bytes=8, handle_type=2, f_handle="\x0e\x00\x00\x00\x00\x00\x00\x00"}, O_RDONLY [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] close(3 [pid 5014] open_by_handle_at(4, {handle_bytes=8, handle_type=2, f_handle="\x0e\x00\x00\x00\x00\x00\x00\x00"}, O_RDONLY [pid 5013] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5012] munmap(0x7feef12a1000, 16777216 [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... close resumed>) = 0 [pid 5013] <... openat resumed>) = 4 [pid 5011] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 44.308054][ T5015] loop2: detected capacity change from 0 to 32768 [ 44.331410][ T5008] ERROR: (device loop0): diRead: i_ino != di_number [ 44.331410][ T5008] [ 44.341540][ T5014] ERROR: (device loop1): diRead: i_ino != di_number [ 44.341540][ T5014] [ 44.351595][ T5011] loop4: detected capacity change from 0 to 32768 [pid 5011] ioctl(4, LOOP_SET_FD, 3 [pid 5015] mkdir("./file0", 0777 [pid 5013] ioctl(4, LOOP_SET_FD, 3 [pid 5012] <... munmap resumed>) = 0 [pid 5011] <... ioctl resumed>) = 0 [pid 5011] close(3) = 0 [pid 5011] mkdir("./file0", 0777) = 0 [pid 5011] mount("/dev/loop4", "./file0", "jfs", MS_REC, "" [pid 5015] <... mkdir resumed>) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5012] ioctl(4, LOOP_SET_FD, 3 [pid 5015] mount("/dev/loop2", "./file0", "jfs", MS_REC, "" [pid 5013] <... ioctl resumed>) = 0 [pid 5008] <... open_by_handle_at resumed>) = -1 ESTALE (Stale file handle) [pid 5015] <... mount resumed>) = 0 [pid 5015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5015] chdir("./file0") = 0 [pid 5015] ioctl(4, LOOP_CLR_FD) = 0 [pid 5015] close(4) = 0 [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5015] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] close(3) = 0 [pid 5013] mkdir("./file0", 0777) = 0 [pid 5014] <... open_by_handle_at resumed>) = -1 ESTALE (Stale file handle) [pid 5006] <... futex resumed>) = 0 [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 1 [pid 5006] <... futex resumed>) = 1 [pid 5003] <... futex resumed>) = 0 [pid 5015] open(".", O_RDONLY [pid 5008] creat("./bus", 000 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... open resumed>) = 4 [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] mount("/dev/loop3", "./file0", "jfs", MS_REC, "" [pid 5012] <... ioctl resumed>) = 0 [pid 5011] <... mount resumed>) = 0 [pid 5008] <... creat resumed>) = -1 EROFS (Read-only file system) [pid 5003] <... futex resumed>) = 0 [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 1 [pid 5013] <... mount resumed>) = 0 [pid 5012] close(3 [pid 5011] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] ftruncate(-1, 2048 [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5003] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 5014] creat("./bus", 000 [pid 5011] <... openat resumed>) = 3 [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... futex resumed>) = 0 [pid 5003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... creat resumed>) = -1 EROFS (Read-only file system) [pid 5011] chdir("./file0" [pid 5008] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... futex resumed>) = 0 [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] <... chdir resumed>) = 0 [pid 5008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... futex resumed>) = 1 [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... futex resumed>) = 0 [pid 5015] open_by_handle_at(4, {handle_bytes=8, handle_type=2, f_handle="\x0e\x00\x00\x00\x00\x00\x00\x00"}, O_RDONLY [pid 5014] <... futex resumed>) = 0 [pid 5013] <... openat resumed>) = 3 [pid 5011] ioctl(4, LOOP_CLR_FD [pid 5008] open("./bus", O_RDONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOFOLLOW, 0511 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 44.356907][ T5008] ERROR: (device loop0): remounting filesystem as read-only [ 44.366312][ T5013] loop3: detected capacity change from 0 to 32768 [ 44.369430][ T5012] loop5: detected capacity change from 0 to 32768 [ 44.379189][ T5014] ERROR: (device loop1): remounting filesystem as read-only [ 44.400325][ T5015] ERROR: (device loop2): diRead: i_ino != di_number [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] chdir("./file0" [pid 5012] <... close resumed>) = 0 [pid 5011] <... ioctl resumed>) = 0 [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... chdir resumed>) = 0 [pid 5012] mkdir("./file0", 0777 [pid 5011] close(4 [pid 5008] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5004] <... futex resumed>) = 0 [pid 5014] ftruncate(-1, 2048 [pid 5013] ioctl(4, LOOP_CLR_FD [pid 5012] <... mkdir resumed>) = 0 [pid 5011] <... close resumed>) = 0 [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... ioctl resumed>) = 0 [pid 5012] mount("/dev/loop5", "./file0", "jfs", MS_REC, "" [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] close(4 [pid 5011] <... futex resumed>) = 1 [pid 5014] <... futex resumed>) = 1 [pid 5013] <... close resumed>) = 0 [pid 5011] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] <... futex resumed>) = 0 [pid 5014] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... futex resumed>) = 1 [pid 5004] <... futex resumed>) = 0 [pid 5014] open("./bus", O_RDONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOFOLLOW, 0511 [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5010] <... futex resumed>) = 0 [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 1 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... futex resumed>) = 0 [pid 5014] <... futex resumed>) = 1 [pid 5013] <... futex resumed>) = 0 [pid 5012] <... mount resumed>) = 0 [pid 5011] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 1 [pid 5008] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... futex resumed>) = 1 [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] open(".", O_RDONLY [pid 5012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5011] open(".", O_RDONLY [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... futex resumed>) = 0 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... open resumed>) = 4 [pid 5012] <... openat resumed>) = 3 [pid 5011] <... open resumed>) = 4 [pid 5008] sendfile(-1, -1, NULL, 145139829833722 [pid 5004] <... futex resumed>) = 0 [pid 5003] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] sendfile(-1, -1, NULL, 145139829833722 [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] chdir("./file0" [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5004] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... open_by_handle_at resumed>) = -1 ESTALE (Stale file handle) [pid 5014] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... futex resumed>) = 1 [pid 5012] <... chdir resumed>) = 0 [pid 5011] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5008] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] ioctl(4, LOOP_CLR_FD [pid 5011] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... futex resumed>) = 1 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... futex resumed>) = 0 [pid 5015] <... futex resumed>) = 1 [pid 5014] <... futex resumed>) = 1 [pid 5013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... ioctl resumed>) = 0 [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... futex resumed>) = 0 [pid 5008] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] <... futex resumed>) = 0 [pid 5005] <... futex resumed>) = 0 [pid 5004] <... futex resumed>) = 0 [pid 5003] exit_group(0 [pid 5015] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 44.400325][ T5015] [ 44.409778][ T5015] ERROR: (device loop2): remounting filesystem as read-only [ 44.442853][ T5013] ERROR: (device loop3): diRead: i_ino != di_number [ 44.442853][ T5013] [pid 5013] open_by_handle_at(4, {handle_bytes=8, handle_type=2, f_handle="\x0e\x00\x00\x00\x00\x00\x00\x00"}, O_RDONLY [pid 5012] close(4 [pid 5011] open_by_handle_at(4, {handle_bytes=8, handle_type=2, f_handle="\x0e\x00\x00\x00\x00\x00\x00\x00"}, O_RDONLY [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] <... futex resumed>) = ? [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] exit_group(0 [pid 5003] <... exit_group resumed>) = ? [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5014] <... futex resumed>) = ? [pid 5012] <... close resumed>) = 0 [pid 5008] +++ exited with 0 +++ [pid 5006] <... futex resumed>) = 0 [pid 5004] <... exit_group resumed>) = ? [pid 5015] creat("./bus", 000 [pid 5014] +++ exited with 0 +++ [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] +++ exited with 0 +++ [pid 5003] +++ exited with 0 +++ [pid 5015] <... creat resumed>) = -1 EROFS (Read-only file system) [pid 5012] <... futex resumed>) = 1 [pid 5007] <... futex resumed>) = 0 [pid 4998] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5004, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} --- [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... futex resumed>) = 1 [pid 5012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = 0 [pid 4997] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5003, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} --- [pid 5015] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] open(".", O_RDONLY [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] <... open resumed>) = 4 [pid 5006] <... futex resumed>) = 0 [pid 4997] restart_syscall(<... resuming interrupted clone ...> [pid 5015] ftruncate(-1, 2048 [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] <... open_by_handle_at resumed>) = -1 ESTALE (Stale file handle) [pid 5012] <... futex resumed>) = 1 [pid 5007] <... futex resumed>) = 0 [pid 4998] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... restart_syscall resumed>) = 0 [pid 5012] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5006] <... futex resumed>) = 0 [pid 5015] open("./bus", O_RDONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOFOLLOW, 0511 [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5006] <... futex resumed>) = 0 [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] sendfile(-1, -1, NULL, 145139829833722 [pid 5006] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5006] <... futex resumed>) = 0 [pid 5015] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... futex resumed>) = 0 [pid 5006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] exit_group(0 [pid 5015] <... futex resumed>) = ? [pid 5006] <... exit_group resumed>) = ? [pid 5015] +++ exited with 0 +++ [pid 5006] +++ exited with 0 +++ [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 4999] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5006, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5010] <... futex resumed>) = 0 [pid 5012] <... futex resumed>) = 0 [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 1 [pid 5012] open_by_handle_at(4, {handle_bytes=8, handle_type=2, f_handle="\x0e\x00\x00\x00\x00\x00\x00\x00"}, O_RDONLY [pid 5011] <... open_by_handle_at resumed>) = -1 ESTALE (Stale file handle) [pid 5010] <... futex resumed>) = 1 [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5013] <... futex resumed>) = 0 [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4998] <... openat resumed>) = 3 [pid 4997] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4999] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] fstat(3, [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4997] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4999] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] getdents64(3, [pid 4997] <... openat resumed>) = 3 [pid 4999] <... openat resumed>) = 3 [pid 4998] <... getdents64 resumed>0x555555add620 /* 4 entries */, 32768) = 112 [pid 4997] fstat(3, [pid 4999] fstat(3, [pid 4998] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4999] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4997] getdents64(3, [pid 4999] getdents64(3, [pid 4998] lstat("./0/binderfs", [pid 4997] <... getdents64 resumed>0x555555add620 /* 4 entries */, 32768) = 112 [pid 4999] <... getdents64 resumed>0x555555add620 /* 4 entries */, 32768) = 112 [pid 4998] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4999] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4998] unlink("./0/binderfs" [pid 4997] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4999] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... unlink resumed>) = 0 [pid 4997] lstat("./0/binderfs", [pid 4999] lstat("./0/binderfs", [pid 4998] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4997] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4999] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 4997] unlink("./0/binderfs" [pid 4999] unlink("./0/binderfs" [pid 4997] <... unlink resumed>) = 0 [pid 4999] <... unlink resumed>) = 0 [pid 4997] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 4999] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... futex resumed>) = 1 [pid 5011] creat("./bus", 000) = -1 EROFS (Read-only file system) [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... futex resumed>) = 0 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... futex resumed>) = 1 [pid 5011] ftruncate(-1, 2048) = -1 EBADF (Bad file descriptor) [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5005] <... futex resumed>) = 0 [pid 5011] open("./bus", O_RDONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOFOLLOW, 0511 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5005] <... futex resumed>) = 0 [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5011] <... futex resumed>) = 0 [pid 5005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] sendfile(-1, -1, NULL, 145139829833722 [pid 5005] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5005] <... futex resumed>) = 0 [pid 5011] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [ 44.452615][ T5011] ERROR: (device loop4): diRead: i_ino != di_number [ 44.452615][ T5011] [ 44.478359][ T5013] ERROR: (device loop3): remounting filesystem as read-only [ 44.482890][ T5011] ERROR: (device loop4): remounting filesystem as read-only [ 44.494776][ T5012] ERROR: (device loop5): diRead: i_ino != di_number [ 44.494776][ T5012] [pid 5005] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] creat("./bus", 000) = -1 EROFS (Read-only file system) [pid 5005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] exit_group(0 [pid 5013] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5005] <... exit_group resumed>) = ? [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5010] <... futex resumed>) = 0 [pid 5013] ftruncate(-1, 2048 [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] open("./bus", O_RDONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOFOLLOW, 0511 [pid 5010] <... futex resumed>) = 0 [pid 5013] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... futex resumed>) = 0 [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... open_by_handle_at resumed>) = -1 ESTALE (Stale file handle) [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5012] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... futex resumed>) = ? [pid 5011] +++ exited with 0 +++ [pid 5005] +++ exited with 0 +++ [pid 5010] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5013] <... futex resumed>) = 0 [pid 5010] <... futex resumed>) = 1 [pid 5013] sendfile(-1, -1, NULL, 145139829833722 [pid 5010] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5005, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- [pid 5013] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... futex resumed>) = 1 [pid 5013] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5013] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] exit_group(0 [pid 5013] <... futex resumed>) = ? [pid 5010] <... exit_group resumed>) = ? [pid 5001] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5013] +++ exited with 0 +++ [pid 5012] <... futex resumed>) = 0 [pid 5012] creat("./bus", 000) = -1 EROFS (Read-only file system) [pid 5010] +++ exited with 0 +++ [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=12 /* 0.12 s */} --- [pid 5001] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555add620 /* 4 entries */, 32768) = 112 [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... futex resumed>) = 1 [pid 5007] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] ftruncate(-1, 2048 [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... openat resumed>) = 3 [pid 5000] lstat("./0/binderfs", [pid 5012] <... ftruncate resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... futex resumed>) = 0 [pid 5001] fstat(3, [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5001] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] unlink("./0/binderfs" [pid 5012] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] getdents64(3, [pid 5000] <... unlink resumed>) = 0 [pid 5012] open("./bus", O_RDONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOFOLLOW, 0511 [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5001] <... getdents64 resumed>0x555555add620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] <... open resumed>) = -1 EROFS (Read-only file system) [pid 5007] <... futex resumed>) = 0 [pid 5001] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 44.504583][ T5012] ERROR: (device loop5): remounting filesystem as read-only [pid 5001] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5012] sendfile(-1, -1, NULL, 145139829833722 [pid 5007] futex(0x7feef97a07a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... sendfile resumed>) = -1 EBADF (Bad file descriptor) [pid 5007] <... futex resumed>) = 0 [pid 5001] lstat("./0/binderfs", [pid 5012] futex(0x7feef97a07ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] futex(0x7feef97a07ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 0 [pid 5012] futex(0x7feef97a07a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5001] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5007] exit_group(0 [pid 5001] unlink("./0/binderfs" [pid 5012] <... futex resumed>) = ? [pid 5007] <... exit_group resumed>) = ? [pid 5012] +++ exited with 0 +++ [pid 5007] +++ exited with 0 +++ [pid 5001] <... unlink resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5001] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555add620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./0/binderfs") = 0 [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW